/* ==========================================================
   PORTAL ARTIMEDICA — styles.css  v20260625
   Diseño moderno, profesional, colores corporativos.
   ========================================================== */

/* ══════════════════════════════════════════════════════════
   FONDO DARK GLOBAL — aplica en todas las páginas internas
   ══════════════════════════════════════════════════════════ */
.page-dark { background: #030d1a !important; color: #fff; }

/* Fondo animado compartido */
.site-bg {
  position: fixed; inset: -10%; z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 15% 20%, rgba(0,48,135,0.88) 0%, transparent 55%),
    radial-gradient(ellipse 55% 55% at 85% 20%, rgba(21,101,192,0.75) 0%, transparent 55%),
    radial-gradient(ellipse 65% 65% at 55% 88%, rgba(25,118,210,0.65) 0%, transparent 55%),
    radial-gradient(ellipse 90% 40% at 50% 0%,  rgba(41,182,246,0.07) 0%, transparent 55%),
    #030d1a;
  filter: blur(44px) saturate(115%);
  animation: siteBgDrift 30s ease-in-out infinite;
  will-change: transform;
  pointer-events: none;
}
@keyframes siteBgDrift {
  0%,100% { transform: scale(1.12) rotate(0deg)   translate(0,0); }
  33%      { transform: scale(1.16) rotate(1.5deg) translate(0.6%,-0.5%); }
  66%      { transform: scale(1.09) rotate(-1deg)  translate(-0.5%,0.6%); }
}

/* Grain compartido */
.site-grain {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none; opacity: 0.038;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px;
}

/* Grid lines compartidas */
.site-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
}
.site-grid::before, .site-grid::after {
  content: "";
  position: absolute; top: 0; bottom: 0; width: 1px;
  background: linear-gradient(to bottom,
    transparent 0%, rgba(255,255,255,0.055) 20%,
    rgba(255,255,255,0.055) 80%, transparent 100%);
}
.site-grid::before { left: 25%; }
.site-grid::after  { left: 75%; }

/* Contenedor con z-index sobre el fondo */
.site-content { position: relative; z-index: 1; }

/* ─── NAV dark para páginas internas ─────────────────────── */
.nav--site {
  background: rgba(3,13,26,0.75) !important;
  border-bottom: 1px solid rgba(255,255,255,0.07) !important;
  backdrop-filter: blur(24px) saturate(140%) !important;
  -webkit-backdrop-filter: blur(24px) saturate(140%) !important;
  box-shadow: none !important;
}
.nav--site .nav-logo-name  { color: #fff !important; }
.nav--site .nav-logo-badge { color: rgba(255,255,255,0.50) !important; }
.nav--site .nav-logo-divider { background: rgba(255,255,255,0.14) !important; }
.nav--site .nav-logo-label  { color: rgba(255,255,255,0.45) !important; }
.nav--site .nav-user-name   { color: rgba(255,255,255,0.65) !important; }
.nav--site .btn-logout {
  background: rgba(255,255,255,0.07) !important;
  border-color: rgba(255,255,255,0.12) !important;
  color: rgba(255,255,255,0.65) !important;
}
.nav--site .btn-logout:hover {
  background: rgba(220,38,38,0.15) !important;
  color: #f87171 !important;
  border-color: rgba(220,38,38,0.25) !important;
}

/* ─── HUB hero dark ──────────────────────────────────────── */
.hub-hero--dark {
  background: rgba(255,255,255,0.04) !important;
  border-bottom: 1px solid rgba(255,255,255,0.07) !important;
}
.hub-hero--dark .hub-greeting { color: #29B6F6 !important; }
.hub-hero--dark .hub-title    { color: #fff !important; }
.hub-hero--dark .hub-desc     { color: rgba(255,255,255,0.52) !important; }

/* ─── Hub cards dark ─────────────────────────────────────── */
.hub-card--dark-mode {
  background: rgba(255,255,255,0.04) !important;
  border-color: rgba(255,255,255,0.08) !important;
}
.hub-card--dark-mode .hub-card-name { color: #fff !important; }
.hub-card--dark-mode .hub-card-desc { color: rgba(255,255,255,0.45) !important; }
.hub-card--dark-mode .hub-card-meta { color: rgba(255,255,255,0.25) !important; }
.hub-card--dark-mode .hub-card-footer { border-color: rgba(255,255,255,0.07) !important; }
.hub-card--dark-mode.hub-card--active:hover {
  border-color: rgba(41,182,246,0.25) !important;
  background: rgba(41,182,246,0.05) !important;
}

/* ─── NS hero dark ───────────────────────────────────────── */
.ns-hero--dark {
  background: rgba(255,255,255,0.03) !important;
  border-bottom: 1px solid rgba(255,255,255,0.07) !important;
}
.ns-hero--dark .ns-breadcrumb,
.ns-hero--dark .ns-breadcrumb a { color: rgba(255,255,255,0.40) !important; }
.ns-hero--dark .ns-breadcrumb a:hover { color: rgba(255,255,255,0.80) !important; }
.ns-hero--dark .ns-hero-title { color: #fff !important; }
.ns-hero--dark .ns-hero-desc  { color: rgba(255,255,255,0.52) !important; }
.ns-hero--dark .ns-stat-n     { color: #fff !important; }
.ns-hero--dark .ns-stat       { background: rgba(255,255,255,0.05) !important; border-color: rgba(255,255,255,0.09) !important; }

/* ─── Tutorial cards dark ────────────────────────────────── */
.tutorial-card--dark {
  background: rgba(255,255,255,0.04) !important;
  border-color: rgba(255,255,255,0.08) !important;
}
.tutorial-card--dark .tc-title { color: #fff !important; }
.tutorial-card--dark .tc-desc  { color: rgba(255,255,255,0.45) !important; }
.tutorial-card--dark .tc-foot  { border-color: rgba(255,255,255,0.07) !important; }
.tutorial-card--dark .tc-steps { color: rgba(255,255,255,0.28) !important; }
.tutorial-card--dark:hover { border-color: rgba(41,182,246,0.22) !important; background: rgba(41,182,246,0.05) !important; }

/* ─── Search / Filters dark ─────────────────────────────── */
.ns-search-input--dark {
  background: rgba(255,255,255,0.06) !important;
  border-color: rgba(255,255,255,0.11) !important;
  color: #fff !important;
}
.ns-search-input--dark::placeholder { color: rgba(255,255,255,0.22) !important; }
.ns-search-input--dark:focus {
  border-color: rgba(41,182,246,0.50) !important;
  background: rgba(255,255,255,0.09) !important;
  box-shadow: 0 0 0 3px rgba(41,182,246,0.12) !important;
}
.ns-tab--dark {
  background: rgba(255,255,255,0.05) !important;
  border-color: rgba(255,255,255,0.10) !important;
  color: rgba(255,255,255,0.55) !important;
}
.ns-tab--dark:hover  { border-color: rgba(41,182,246,0.45) !important; color: #29B6F6 !important; }
.ns-tab--dark.is-active { background: #29B6F6 !important; color: #030d1a !important; border-color: #29B6F6 !important; }

/* ─── Section title dark ─────────────────────────────────── */
.section-title--dark { color: #fff !important; }

/* ─── Request form dark ──────────────────────────────────── */
.request-section--dark {
  background: rgba(255,255,255,0.04) !important;
  border-color: rgba(255,255,255,0.08) !important;
}
.request-section--dark .request-eyebrow { color: #29B6F6 !important; }
.request-section--dark .request-title   { color: #fff !important; }
.request-section--dark .request-desc    { color: rgba(255,255,255,0.45) !important; }
.request-section--dark .rf-label        { color: rgba(255,255,255,0.45) !important; }
.request-section--dark .rf-input,
.request-section--dark .rf-select,
.request-section--dark .rf-textarea {
  background: rgba(255,255,255,0.06) !important;
  border-color: rgba(255,255,255,0.11) !important;
  color: #fff !important;
}
.request-section--dark .rf-input::placeholder,
.request-section--dark .rf-textarea::placeholder { color: rgba(255,255,255,0.22) !important; }
.request-section--dark .rf-input:focus,
.request-section--dark .rf-select:focus,
.request-section--dark .rf-textarea:focus {
  border-color: rgba(41,182,246,0.50) !important;
  background: rgba(255,255,255,0.09) !important;
  box-shadow: 0 0 0 3px rgba(41,182,246,0.12) !important;
}
.request-section--dark .rf-select option { background: #0d1f3c; color: #fff; }

/* ─── Detail section dark ────────────────────────────────── */
.detail-section--dark {
  background: rgba(255,255,255,0.04) !important;
  border-color: rgba(255,255,255,0.08) !important;
}
.detail-section--dark .detail-head   { background: rgba(255,255,255,0.03) !important; border-color: rgba(255,255,255,0.07) !important; }
.detail-section--dark .detail-title  { color: #fff !important; }
.detail-section--dark .detail-desc   { color: rgba(255,255,255,0.50) !important; }
.detail-section--dark .btn-back      { color: #29B6F6 !important; }
.detail-section--dark .detail-video  { background: rgba(255,255,255,0.03) !important; border-color: rgba(255,255,255,0.07) !important; }
.detail-section--dark .detail-label  { color: rgba(255,255,255,0.35) !important; }
.detail-section--dark .detail-steps  { background: transparent !important; }
.detail-section--dark .step-item     { border-color: rgba(255,255,255,0.07) !important; }
.detail-section--dark .step-t        { color: #fff !important; }
.detail-section--dark .step-d        { color: rgba(255,255,255,0.55) !important; }
.detail-section--dark .step-d strong { color: rgba(255,255,255,0.85) !important; }
.detail-section--dark .step-d em     { color: #29B6F6 !important; }
.detail-section--dark .detail-extras { background: transparent !important; }
.detail-section--dark .detail-note   { background: rgba(41,182,246,0.07) !important; border-color: rgba(41,182,246,0.18) !important; color: rgba(255,255,255,0.60) !important; }
.detail-section--dark .note-icon     { color: #29B6F6 !important; }
.detail-section--dark .alert-item    { background: rgba(215,119,9,0.07) !important; border-color: rgba(215,119,9,0.18) !important; color: rgba(255,255,255,0.55) !important; }
.detail-section--dark .detail-video-wrap { background: transparent !important; }

/* ─── Admin dark ─────────────────────────────────────────── */
.admin-nav--dark {
  background: rgba(3,13,26,0.80) !important;
  border-color: rgba(255,255,255,0.07) !important;
}
.admin-nav--dark .nav-avatar { background: linear-gradient(135deg,#003087,#29B6F6) !important; }
.admin-nav--dark .admin-nav-email { color: rgba(255,255,255,0.40) !important; }
.admin-nav--dark .btn-logout {
  background: rgba(255,255,255,0.07) !important;
  border-color: rgba(255,255,255,0.12) !important;
  color: rgba(255,255,255,0.55) !important;
}

.admin-sidebar--dark {
  background: rgba(255,255,255,0.03) !important;
  border-color: rgba(255,255,255,0.07) !important;
}
.admin-sidebar--dark .admin-sidebar-label { color: rgba(255,255,255,0.25) !important; }
.admin-sidebar--dark .admin-tab { color: rgba(255,255,255,0.55) !important; }
.admin-sidebar--dark .admin-tab:hover { background: rgba(255,255,255,0.06) !important; color: #fff !important; }
.admin-sidebar--dark .admin-tab.is-active { background: rgba(41,182,246,0.12) !important; color: #29B6F6 !important; }

.admin-main--dark { background: transparent !important; }
.admin-panel-title--dark { color: #fff !important; }
.admin-panel-sub--dark   { color: rgba(255,255,255,0.40) !important; }

.admin-tutorial-item--dark {
  background: rgba(255,255,255,0.04) !important;
  border-color: rgba(255,255,255,0.08) !important;
}
.admin-tutorial-item--dark:hover { border-color: rgba(255,255,255,0.15) !important; box-shadow: none !important; }
.admin-tutorial-item--dark .ati-title { color: #fff !important; }
.admin-tutorial-item--dark .ati-meta  { color: rgba(255,255,255,0.30) !important; }
.admin-tutorial-item--dark .ati-cat   { background: rgba(255,255,255,0.07) !important; }
.admin-tutorial-item--dark .btn-ati-edit {
  background: rgba(255,255,255,0.07) !important;
  border-color: rgba(255,255,255,0.12) !important;
  color: rgba(255,255,255,0.65) !important;
}
.admin-tutorial-item--dark .btn-ati-edit:hover { background: rgba(41,182,246,0.12) !important; color: #29B6F6 !important; border-color: rgba(41,182,246,0.30) !important; }
.admin-tutorial-item--dark .btn-ati-del { background: rgba(255,255,255,0.05) !important; border-color: rgba(255,255,255,0.09) !important; color: rgba(255,255,255,0.35) !important; }
.admin-tutorial-item--dark .btn-ati-del:hover { background: rgba(220,38,38,0.12) !important; color: #f87171 !important; border-color: rgba(220,38,38,0.25) !important; }

.admin-empty--dark { border-color: rgba(255,255,255,0.10) !important; color: rgba(255,255,255,0.35) !important; }
.admin-empty--dark svg { color: rgba(255,255,255,0.20) !important; }
.admin-empty--dark strong { color: rgba(255,255,255,0.50) !important; }

.hub-footer--dark, .ns-footer--dark {
  border-color: rgba(255,255,255,0.07) !important;
}
.hub-footer--dark .hub-footer-copy, .ns-footer--dark .ns-footer-copy { color: rgba(255,255,255,0.25) !important; }
.hub-footer--dark #adminLink { color: #29B6F6 !important; }
.hub-footer--dark .hub-footer-v, .ns-footer--dark .ns-footer-v {
  background: rgba(255,255,255,0.05) !important;
  border-color: rgba(255,255,255,0.08) !important;
  color: rgba(255,255,255,0.25) !important;
}

/* Solicitudes dark */
.solicitud-card--dark-mode {
  background: rgba(255,255,255,0.04) !important;
  border-color: rgba(255,255,255,0.08) !important;
}
.solicitud-card--dark-mode .sc-title { color: #fff !important; }
.solicitud-card--dark-mode .sc-meta  { color: rgba(255,255,255,0.35) !important; }
.solicitud-card--dark-mode .sc-meta strong { color: rgba(255,255,255,0.60) !important; }
.solicitud-card--dark-mode .sc-desc  { background: rgba(255,255,255,0.04) !important; border-color: rgba(255,255,255,0.07) !important; color: rgba(255,255,255,0.55) !important; }

/* ── 1. TOKENS ─────────────────────────────────────────── */
:root {
  /* Brand */
  --navy:        #003087;
  --navy-dark:   #001f5c;
  --navy-deep:   #00164a;
  --blue:        #1565C0;
  --blue-mid:    #1976D2;
  --blue-light:  #42A5F5;
  --blue-pale:   #E3F2FD;
  --blue-xpale:  #F0F7FF;

  /* Backgrounds */
  --bg:          #F8FAFD;
  --bg-2:        #FFFFFF;
  --bg-3:        #EEF4FB;
  --bg-4:        #E4EDF8;

  /* Glass */
  --glass-w:     rgba(255,255,255,0.80);
  --glass-w2:    rgba(255,255,255,0.50);
  --glass-d:     rgba(0,32,90,0.55);
  --glass-border:rgba(255,255,255,0.60);
  --glass-d-border:rgba(255,255,255,0.14);

  /* Text */
  --ink:         #0A1628;
  --ink-soft:    #2D3F5C;
  --ink-mute:    #5A6E8A;
  --ink-pale:    #8FA3BC;
  --white:       #FFFFFF;
  --cream:       #F0F7FF;

  /* Semantic */
  --success:     #059669;
  --error:       #DC2626;
  --warning:     #D97706;
  --info:        #0284C7;

  /* Borders */
  --line:        rgba(0,48,135,0.09);
  --line-2:      rgba(0,48,135,0.18);
  --line-3:      rgba(0,48,135,0.28);

  /* Shadows */
  --sh-xs:  0 1px 3px rgba(0,32,90,0.06);
  --sh-sm:  0 2px 8px rgba(0,32,90,0.08), 0 1px 3px rgba(0,0,0,0.04);
  --sh:     0 4px 20px rgba(0,32,90,0.10), 0 2px 6px rgba(0,0,0,0.04);
  --sh-md:  0 8px 32px rgba(0,32,90,0.12), 0 3px 8px rgba(0,0,0,0.05);
  --sh-lg:  0 16px 48px rgba(0,32,90,0.14), 0 6px 16px rgba(0,0,0,0.06);
  --sh-card:0 6px 24px rgba(0,32,90,0.10), 0 2px 6px rgba(0,0,0,0.04);

  /* Layout */
  --nav-h:    66px;
  --r-xs:     6px;
  --r-sm:     10px;
  --r:        14px;
  --r-lg:     20px;
  --r-xl:     28px;
  --max-w:    1200px;

  /* Motion */
  --ease:     cubic-bezier(0.4,0,0.2,1);
  --ease-out: cubic-bezier(0,0,0.2,1);
  --ease-in:  cubic-bezier(0.4,0,1,1);
  --spring:   cubic-bezier(0.34,1.56,0.64,1);
  --t-fast:   0.15s;
  --t:        0.25s;
  --t-slow:   0.40s;
}

/* ── Botón Admin en nav (solo visible para administradores) ── */
.btn-admin-nav {
  height: 34px;
  padding: 0 14px;
  background: rgba(251,146,60,0.14);
  color: #fb923c;
  border: 1px solid rgba(251,146,60,0.32);
  border-radius: var(--r-sm);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  display: none; /* JS lo muestra solo para admins */
  align-items: center;
  gap: 6px;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
  cursor: pointer;
  text-decoration: none;
}
.btn-admin-nav:hover {
  background: rgba(251,146,60,0.24);
  border-color: rgba(251,146,60,0.50);
  transform: translateY(-1px);
}
.btn-admin-nav svg { width: 14px; height: 14px; }
.btn-admin-nav.is-visible { display: inline-flex; }

/* Barra de modo admin (franja naranja en la parte superior) */
.admin-mode-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #ea580c, #fb923c, #fbbf24);
  z-index: 500;
  display: none;
}
.admin-mode-bar.is-visible { display: block; }

/* ── 2. RESET ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  overflow-x: clip;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font: inherit; border: none; background: none; }
img, svg, video { display: block; max-width: 100%; }
input, textarea, select { font: inherit; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}
.reveal[data-split] { opacity: 1; transform: none; } /* gotcha A.4.5 */

/* ── 3. SHARED NAV ──────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  padding: 0 clamp(16px,4vw,48px);
  gap: 8px;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(255,255,255,0.6), var(--sh-xs);
}
.nav-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-logo-img { height: 32px; width: auto; }
.nav-logo-divider {
  width: 1px; height: 24px;
  background: var(--line-2);
  margin: 0 4px;
}
.nav-logo-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: -0.2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 20px;
}
.nav-link {
  height: 34px;
  padding: 0 14px;
  border-radius: var(--r-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  transition: background var(--t-fast), color var(--t-fast);
}
.nav-link:hover { background: var(--bg-3); color: var(--navy); }
.nav-link.is-active { color: var(--navy); font-weight: 600; }
.nav-spacer { flex: 1; }
.nav-cta {
  height: 36px;
  padding: 0 18px;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background var(--t), transform var(--t-fast) var(--spring), box-shadow var(--t);
  box-shadow: 0 2px 8px rgba(0,48,135,0.25);
}
.nav-cta:hover { background: var(--blue); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(0,48,135,0.32); }
.nav-cta:active { transform: translateY(0); }

/* Dark nav (for dark-bg pages) */
.nav--dark {
  background: rgba(0,22,74,0.80);
  border-bottom-color: rgba(255,255,255,0.08);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}
.nav--dark .nav-link { color: rgba(255,255,255,0.72); }
.nav--dark .nav-link:hover { background: rgba(255,255,255,0.08); color: var(--white); }
.nav--dark .nav-link.is-active { color: var(--white); }
.nav--dark .nav-logo-label { color: var(--white); }
.nav--dark .nav-logo-divider { background: rgba(255,255,255,0.18); }
.nav--dark .nav-cta { background: var(--white); color: var(--navy); box-shadow: none; }
.nav--dark .nav-cta:hover { background: var(--cream); }

/* User in nav */
.nav-user { display: flex; align-items: center; gap: 8px; }
.nav-user-name { font-size: 13px; color: var(--ink-soft); display: none; }
@media (min-width: 560px) { .nav-user-name { display: block; } }
.nav-avatar {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
}
.btn-logout {
  height: 32px;
  padding: 0 12px;
  background: var(--bg-3);
  color: var(--ink-soft);
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--line-2);
  transition: background var(--t), color var(--t);
}
.btn-logout:hover { background: rgba(220,38,38,0.07); color: var(--error); border-color: rgba(220,38,38,0.2); }

/* Mobile nav links */
@media (max-width: 680px) {
  .nav-links { display: none; }
  .nav-logo-label { display: none; }
}

/* ── 4. HOMEPAGE ─────────────────────────────────────────── */

/* Hero */
.home-hero {
  min-height: calc(100svh - var(--nav-h));
  background:
    radial-gradient(ellipse 70% 60% at 20% 30%, rgba(0,48,135,0.92) 0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 80% 70%, rgba(21,101,192,0.80) 0%, transparent 60%),
    radial-gradient(ellipse 80% 80% at 50% 110%, rgba(25,118,210,0.60) 0%, transparent 60%),
    #001a4d;
  display: flex;
  align-items: center;
  padding: clamp(48px,8vw,96px) clamp(20px,6vw,80px);
  position: relative;
  overflow: hidden;
}
.home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.home-hero::after {
  content: "";
  position: absolute;
  right: -200px;
  bottom: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(66,165,245,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.home-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
}
.home-hero-logo {
  margin-bottom: 32px;
  opacity: 0.95;
}
.home-hero-logo svg { height: 48px; width: auto; }

.home-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.20);
  border-radius: 100px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.88);
  letter-spacing: 0.6px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-pulse {
  width: 7px; height: 7px;
  background: #4ade80;
  border-radius: 50%;
  animation: heroPulse 2.5s ease-in-out infinite;
}
@keyframes heroPulse {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:0.5; transform:scale(0.8); }
}
.home-hero-title {
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.08;
  letter-spacing: -1.5px;
  text-wrap: balance;
  margin-bottom: 18px;
}
.home-hero-title em {
  font-style: normal;
  color: var(--blue-light);
}
.home-hero-desc {
  font-size: clamp(15px,1.6vw,18px);
  color: rgba(255,255,255,0.72);
  max-width: 52ch;
  line-height: 1.65;
  margin-bottom: 36px;
}
.home-hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-hero-primary {
  height: 50px;
  padding: 0 28px;
  background: var(--white);
  color: var(--navy);
  border-radius: var(--r-sm);
  font-size: 15px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform var(--t-fast) var(--spring), box-shadow var(--t), background var(--t-fast);
  box-shadow: 0 4px 20px rgba(0,0,0,0.20);
}
.btn-hero-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,0.28); }
.btn-hero-ghost {
  height: 50px;
  padding: 0 24px;
  background: rgba(255,255,255,0.10);
  color: var(--white);
  border-radius: var(--r-sm);
  font-size: 15px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255,255,255,0.22);
  transition: background var(--t), transform var(--t-fast) var(--spring);
}
.btn-hero-ghost:hover { background: rgba(255,255,255,0.18); transform: translateY(-2px); }

/* Floating stats in hero corner */
.home-hero-stats {
  position: absolute;
  bottom: 40px;
  right: clamp(20px,6vw,80px);
  display: flex;
  gap: 12px;
  z-index: 1;
}
@media (max-width: 840px) { .home-hero-stats { display: none; } }
.home-stat-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--r);
  padding: 16px 20px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  text-align: center;
  min-width: 110px;
}
.home-stat-num {
  font-size: 26px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 4px;
}
.home-stat-label {
  font-size: 11px;
  color: rgba(255,255,255,0.55);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ── Sección sistemas ─────────────────────────────── */
.home-systems {
  padding: clamp(60px,8vw,100px) clamp(20px,6vw,80px);
  max-width: var(--max-w);
  margin: 0 auto;
}
.section-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-eyebrow::before {
  content: "";
  width: 20px; height: 2px;
  background: var(--blue);
  border-radius: 2px;
}
.section-title-lg {
  font-size: clamp(24px,3vw,36px);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.8px;
  line-height: 1.15;
  text-wrap: balance;
  margin-bottom: 10px;
}
.section-desc-lg {
  font-size: 15px;
  color: var(--ink-mute);
  max-width: 55ch;
  line-height: 1.65;
  margin-bottom: 44px;
}

.systems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.system-card {
  background: var(--bg-2);
  border: 1.5px solid var(--line);
  border-radius: var(--r-lg);
  padding: 28px 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: transform var(--t) var(--spring), box-shadow var(--t), border-color var(--t);
  box-shadow: var(--sh-sm);
  position: relative;
  overflow: hidden;
}
.system-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--card-c1, var(--navy)), var(--card-c2, var(--blue)));
  border-radius: 3px 3px 0 0;
}
.system-card--active {
  cursor: pointer;
}
.system-card--active:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-lg);
  border-color: var(--line-2);
}
.system-card--soon {
  opacity: 0.62;
}
.system-card-icon {
  width: 48px; height: 48px;
  background: var(--blue-xpale);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--navy);
}
.system-card-icon svg { width: 24px; height: 24px; }
.system-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  margin-bottom: 10px;
  width: fit-content;
}
.system-card-badge--active { background: rgba(5,150,105,0.10); color: var(--success); }
.system-card-badge--soon   { background: var(--bg-3); color: var(--ink-mute); }
.system-card-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.4px;
  margin-bottom: 8px;
  line-height: 1.2;
}
.system-card-desc {
  font-size: 13px;
  color: var(--ink-mute);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 22px;
}
.system-card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.system-tag {
  font-size: 11px;
  font-weight: 500;
  background: var(--bg-3);
  color: var(--ink-soft);
  padding: 2px 8px;
  border-radius: 100px;
  border: 1px solid var(--line);
}
.system-card-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  margin-top: auto;
}
.system-card-action-text {
  font-size: 13px;
  color: var(--ink-mute);
}
.btn-system {
  height: 34px;
  padding: 0 16px;
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: transform var(--t-fast) var(--spring), opacity var(--t-fast);
}
.btn-system--active {
  background: var(--navy);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(0,48,135,0.25);
}
.btn-system--active:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-system--disabled {
  background: var(--bg-3);
  color: var(--ink-pale);
  cursor: default;
}

/* ── About section ──────────────────────────────── */
.home-about {
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 50%, var(--blue) 100%);
  padding: clamp(60px,8vw,100px) clamp(20px,6vw,80px);
  position: relative;
  overflow: hidden;
}
.home-about::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
.home-about-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px,6vw,80px);
  align-items: center;
}
@media (max-width: 720px) {
  .home-about-inner { grid-template-columns: 1fr; }
}
.home-about-logo {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.home-about-logo svg { height: 52px; width: auto; }
.home-about-tagline {
  font-size: clamp(22px,3vw,32px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.6px;
  line-height: 1.2;
  text-wrap: balance;
}
.home-about-body {
  font-size: 15px;
  color: rgba(255,255,255,0.72);
  line-height: 1.72;
}
.home-about-pillars {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.about-pillar {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--r);
  padding: 18px 20px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.about-pillar-icon {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.10);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--blue-light);
}
.about-pillar-icon svg { width: 18px; height: 18px; }
.about-pillar-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 3px;
}
.about-pillar-text {
  font-size: 13px;
  color: rgba(255,255,255,0.60);
  line-height: 1.5;
}

/* ── Footer ──────────────────────────────────────── */
.footer {
  background: var(--ink);
  padding: clamp(32px,5vw,56px) clamp(20px,6vw,80px);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-logo svg { height: 28px; width: auto; opacity: 0.8; }
.footer-copy {
  font-size: 13px;
  color: rgba(255,255,255,0.40);
  line-height: 1.5;
}
.footer-copy strong { color: rgba(255,255,255,0.60); }
.footer-links {
  display: flex;
  gap: 20px;
}
.footer-link {
  font-size: 13px;
  color: rgba(255,255,255,0.35);
  transition: color var(--t-fast);
}
.footer-link:hover { color: rgba(255,255,255,0.70); }

/* ── 5. LOGIN PAGE (SPLIT) ───────────────────────────────── */
.login-page {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  grid-template-columns: 45% 55%;
}
@media (max-width: 860px) {
  .login-page { grid-template-columns: 1fr; }
}

/* Left: brand side */
.login-brand {
  background:
    radial-gradient(ellipse 80% 60% at 20% 20%, rgba(21,101,192,0.80) 0%, transparent 60%),
    radial-gradient(ellipse 60% 70% at 80% 80%, rgba(0,48,135,0.90) 0%, transparent 60%),
    var(--navy-deep);
  padding: clamp(32px,5vw,56px) clamp(28px,4vw,52px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}
.login-brand::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
/* Decorative circles */
.login-brand::after {
  content: "";
  position: absolute;
  bottom: -120px;
  right: -120px;
  width: 360px; height: 360px;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 50%;
  pointer-events: none;
}
.login-brand-deco {
  position: absolute;
  bottom: -60px;
  right: -60px;
  width: 240px; height: 240px;
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 50%;
  pointer-events: none;
}

.login-brand-top { position: relative; z-index: 1; }
.login-brand-logo svg { height: 40px; width: auto; margin-bottom: 40px; }
.login-brand-headline {
  font-size: clamp(22px,2.8vw,32px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.8px;
  line-height: 1.18;
  margin-bottom: 14px;
  text-wrap: balance;
}
.login-brand-sub {
  font-size: 14px;
  color: rgba(255,255,255,0.60);
  line-height: 1.65;
  max-width: 38ch;
}
.login-brand-features {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 32px;
}
.login-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  font-weight: 500;
}
.login-feature-check {
  width: 22px; height: 22px;
  background: rgba(74,222,128,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #4ade80;
}
.login-feature-check svg { width: 12px; height: 12px; }

.login-brand-footer {
  position: relative;
  z-index: 1;
  font-size: 12px;
  color: rgba(255,255,255,0.30);
}

@media (max-width: 860px) {
  .login-brand {
    min-height: 200px;
    padding: 28px 24px;
  }
  .login-brand-headline { font-size: 20px; }
  .login-brand-logo svg { height: 32px; margin-bottom: 16px; }
  .login-brand-features { display: none; }
  .login-brand-footer { display: none; }
}

/* Right: form side */
.login-form-side {
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(32px,6vw,64px) clamp(24px,5vw,64px);
}
.login-form-box {
  width: 100%;
  max-width: 380px;
}
.login-form-welcome {
  margin-bottom: 32px;
}
.login-form-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.6px;
  line-height: 1.2;
  margin-bottom: 6px;
}
.login-form-sub {
  font-size: 14px;
  color: var(--ink-mute);
  line-height: 1.5;
}

/* Form fields */
.f-group { margin-bottom: 16px; }
.f-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: 0.4px;
  text-transform: uppercase;
  margin-bottom: 7px;
}
.f-wrap { position: relative; }
.f-input {
  width: 100%;
  height: 48px;
  padding: 0 44px 0 14px;
  background: var(--bg);
  border: 1.5px solid var(--line-2);
  border-radius: var(--r-sm);
  font-size: 15px;
  color: var(--ink);
  outline: none;
  -webkit-appearance: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
}
.f-input:focus {
  border-color: var(--blue);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(21,101,192,0.13);
}
.f-input::placeholder { color: var(--ink-pale); }
.f-icon {
  position: absolute;
  right: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-pale);
  pointer-events: none;
  display: flex;
}
.f-icon.clickable { pointer-events: auto; cursor: pointer; transition: color var(--t-fast); }
.f-icon.clickable:hover { color: var(--blue); }

.login-alert {
  background: rgba(220,38,38,0.07);
  border: 1px solid rgba(220,38,38,0.20);
  border-radius: var(--r-sm);
  padding: 11px 14px;
  font-size: 13px;
  color: var(--error);
  margin-bottom: 16px;
  display: none;
  align-items: center;
  gap: 8px;
  line-height: 1.4;
}
.login-alert.is-visible { display: flex; }

.btn-login {
  width: 100%;
  height: 50px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  color: var(--white);
  border-radius: var(--r-sm);
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 8px;
  transition: opacity var(--t-fast), transform var(--t-fast) var(--spring), box-shadow var(--t);
  box-shadow: 0 4px 16px rgba(0,48,135,0.28);
  position: relative;
  overflow: hidden;
}
.btn-login::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.10);
  opacity: 0;
  transition: opacity var(--t-fast);
}
.btn-login:hover::before { opacity: 1; }
.btn-login:hover { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(0,48,135,0.35); }
.btn-login:active { transform: translateY(0); }
.btn-login:disabled { opacity: 0.60; cursor: not-allowed; transform: none; }
.btn-login-spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}
.btn-login.is-loading .btn-login-text { display: none; }
.btn-login.is-loading .btn-login-spinner { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

.login-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: var(--ink-pale);
  font-size: 12px;
}
.login-divider::before, .login-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line-2);
}
.login-form-footer {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  text-align: center;
  font-size: 12px;
  color: var(--ink-pale);
  line-height: 1.6;
}

/* Login animation */
.login-form-box {
  animation: formReveal 0.5s var(--ease-out) both;
}
@keyframes formReveal {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
.login-brand-top {
  animation: brandReveal 0.6s var(--ease-out) both;
}
@keyframes brandReveal {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── 6. DASHBOARD HUB ──────────────────────────────────── */
.hub-hero {
  background: var(--bg-3);
  border-bottom: 1px solid var(--line);
  padding: clamp(32px,5vw,52px) clamp(20px,5vw,56px);
}
.hub-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.hub-greeting {
  font-size: 13px;
  font-weight: 500;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 6px;
}
.hub-title {
  font-size: clamp(22px,3vw,32px);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.6px;
  line-height: 1.15;
  margin-bottom: 8px;
}
.hub-desc {
  font-size: 14px;
  color: var(--ink-mute);
  max-width: 56ch;
  line-height: 1.65;
}

.hub-content {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(28px,4vw,48px) clamp(20px,5vw,56px);
}
.hub-section-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--ink-mute);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hub-section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line-2);
}
.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px,1fr));
  gap: 16px;
}
.hub-card {
  background: var(--white);
  border: 1.5px solid var(--line);
  border-radius: var(--r-lg);
  padding: 24px 22px 20px;
  display: flex;
  flex-direction: column;
  transition: transform var(--t) var(--spring), box-shadow var(--t), border-color var(--t);
  box-shadow: var(--sh-sm);
  position: relative;
  overflow: hidden;
}
.hub-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--card-stripe, linear-gradient(90deg,var(--navy),var(--blue)));
  border-radius: 3px 3px 0 0;
}
.hub-card--active { cursor: pointer; }
.hub-card--active:hover {
  transform: translateY(-3px);
  box-shadow: var(--sh-md);
  border-color: rgba(0,48,135,0.22);
}
.hub-card--soon { opacity: 0.58; }

.hub-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 14px;
}
.hub-card-icon {
  width: 44px; height: 44px;
  background: var(--blue-xpale);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
}
.hub-card-icon svg { width: 22px; height: 22px; }
.hub-status-badge {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 9px;
  border-radius: 100px;
}
.hub-status-badge--live { background: rgba(5,150,105,0.10); color: var(--success); }
.hub-status-badge--soon { background: var(--bg-3); color: var(--ink-mute); }

.hub-card-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.3px;
  margin-bottom: 6px;
}
.hub-card-desc {
  font-size: 13px;
  color: var(--ink-mute);
  line-height: 1.55;
  flex: 1;
  margin-bottom: 16px;
}
.hub-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  margin-top: auto;
}
.hub-card-meta { font-size: 12px; color: var(--ink-pale); }
.btn-hub {
  height: 30px;
  padding: 0 14px;
  border-radius: var(--r-sm);
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: opacity var(--t-fast), transform var(--t-fast) var(--spring);
}
.btn-hub--active { background: var(--navy); color: var(--white); }
.btn-hub--active:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-hub--disabled { background: var(--bg-3); color: var(--ink-pale); cursor: default; }

/* Hub footer */
.hub-footer {
  border-top: 1px solid var(--line);
  padding: 18px clamp(20px,5vw,56px);
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hub-footer-copy { font-size: 12px; color: var(--ink-pale); }
.hub-footer-v {
  font-size: 11px;
  color: var(--ink-pale);
  background: var(--bg-3);
  padding: 2px 10px;
  border-radius: 100px;
  border: 1px solid var(--line);
}

/* ── 7. NETSUITE TUTORIALS ──────────────────────────────── */
.ns-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 60%, var(--blue-mid) 100%);
  padding: clamp(36px,5vw,60px) clamp(20px,5vw,56px);
  position: relative;
  overflow: hidden;
}
.ns-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}
.ns-hero::after {
  content: "";
  position: absolute;
  right: -100px; top: -100px;
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.ns-hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.ns-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 14px;
}
.ns-breadcrumb a { color: rgba(255,255,255,0.55); transition: color var(--t-fast); }
.ns-breadcrumb a:hover { color: rgba(255,255,255,0.90); }
.ns-breadcrumb-sep { color: rgba(255,255,255,0.30); }
.ns-breadcrumb-current { color: rgba(255,255,255,0.88); font-weight: 500; }
.ns-hero-title {
  font-size: clamp(22px,3.5vw,36px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.8px;
  line-height: 1.12;
  margin-bottom: 8px;
}
.ns-hero-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.70);
  max-width: 52ch;
  line-height: 1.65;
}
.ns-hero-stats {
  display: flex;
  gap: 10px;
  align-self: flex-end;
  flex-wrap: wrap;
}
@media (max-width: 640px) { .ns-hero-stats { display: none; } }
.ns-stat {
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--r-sm);
  padding: 10px 16px;
  text-align: center;
}
.ns-stat-n { font-size: 22px; font-weight: 800; color: var(--white); line-height: 1; }
.ns-stat-l { font-size: 11px; color: rgba(255,255,255,0.50); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 2px; }

/* NS main content */
.ns-main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(24px,4vw,44px) clamp(20px,5vw,56px);
}

/* Search */
.ns-search-row {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.ns-search {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 420px;
}
.ns-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-pale);
  pointer-events: none;
  display: flex;
}
.ns-search-input {
  width: 100%;
  height: 42px;
  padding: 0 14px 0 40px;
  background: var(--white);
  border: 1.5px solid var(--line-2);
  border-radius: var(--r-sm);
  font-size: 14px;
  color: var(--ink);
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  -webkit-appearance: none;
}
.ns-search-input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(21,101,192,0.11);
}
.ns-search-input::placeholder { color: var(--ink-pale); }

/* Filter tabs */
.ns-filters {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.ns-tab {
  height: 32px;
  padding: 0 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  background: var(--white);
  border: 1.5px solid var(--line-2);
  color: var(--ink-soft);
  white-space: nowrap;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), transform var(--t-fast) var(--spring);
}
.ns-tab:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-1px); }
.ns-tab.is-active { background: var(--navy); color: var(--white); border-color: var(--navy); }

/* Tutorial cards grid */
.ns-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px,1fr));
  gap: 18px;
  margin-bottom: 0;
}
.tutorial-card {
  background: var(--white);
  border: 1.5px solid var(--line);
  border-radius: var(--r-lg);
  padding: 22px 20px 18px;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  box-shadow: var(--sh-sm);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity var(--t-slow) var(--ease-out),
    transform var(--t-slow) var(--ease-out),
    box-shadow var(--t),
    border-color var(--t),
    top 0s;
}
.tutorial-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3.5px;
  background: var(--card-accent, var(--navy));
  border-radius: 4px 0 0 4px;
  transition: width var(--t);
}
.tutorial-card.is-revealed { opacity: 1; transform: translateY(0); }
.tutorial-card.is-hidden   { display: none; }
.tutorial-card:hover { transform: translateY(-3px); box-shadow: var(--sh-md); border-color: var(--line-2); }
.tutorial-card.is-revealed:hover { transform: translateY(-3px); }
.tutorial-card:hover::before { width: 5px; }

.tc-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}
.tc-icon {
  width: 40px; height: 40px;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--card-accent-pale, var(--blue-pale));
  color: var(--card-accent, var(--navy));
}
.tc-icon svg { width: 20px; height: 20px; }
.tc-badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 100px;
  background: var(--card-accent-pale, var(--blue-pale));
  color: var(--card-accent, var(--navy));
  border: 1px solid var(--card-accent-line, rgba(0,48,135,0.14));
}
.tc-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.3px;
  line-height: 1.3;
  margin-bottom: 6px;
}
.tc-desc {
  font-size: 13px;
  color: var(--ink-mute);
  line-height: 1.55;
  flex: 1;
  margin-bottom: 14px;
}
.tc-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  margin-top: auto;
}
.tc-steps { font-size: 11px; color: var(--ink-pale); font-weight: 500; }
.btn-tc {
  height: 28px;
  padding: 0 12px;
  background: var(--card-accent, var(--navy));
  color: var(--white);
  border-radius: var(--r-sm);
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: opacity var(--t-fast), transform var(--t-fast) var(--spring);
}
.btn-tc:hover { opacity: 0.85; transform: translateY(-1px); }

/* Empty state */
.ns-empty {
  text-align: center;
  padding: 56px 24px;
  display: none;
}
.ns-empty.is-visible { display: block; }
.ns-empty-icon {
  width: 56px; height: 56px;
  background: var(--bg-3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--ink-pale);
}
.ns-empty strong { display: block; font-size: 16px; font-weight: 700; color: var(--ink-soft); margin-bottom: 6px; }
.ns-empty p { font-size: 14px; color: var(--ink-mute); }

/* Tutorial detail */
.detail-section {
  margin-top: 32px;
  background: var(--white);
  border: 1.5px solid var(--line-2);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-lg);
  overflow: hidden;
  display: none;
}
.detail-section.is-visible {
  display: block;
  animation: detailIn 0.35s var(--ease-out) both;
}
@keyframes detailIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.detail-head {
  padding: 24px 28px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-3);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: flex-start;
}
.detail-head-left { flex: 1; min-width: 200px; }
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: gap var(--t-fast);
  background: none;
  border: none;
}
.btn-back:hover { gap: 3px; }
.detail-title {
  font-size: clamp(18px,2.5vw,26px);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.5px;
  line-height: 1.18;
  margin-bottom: 5px;
}
.detail-desc {
  font-size: 13px;
  color: var(--ink-mute);
  line-height: 1.6;
}
.detail-cat-badge {
  height: 28px;
  padding: 0 12px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  align-self: flex-start;
}

/* Video */
.detail-video {
  padding: 24px 28px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-3);
}
.detail-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--ink-pale);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.video-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--sh-sm);
}
.video-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #07153a 0%, #0d2460 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.video-placeholder-icon {
  width: 58px; height: 58px;
  background: rgba(255,255,255,0.07);
  border: 1.5px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.55);
}
.video-placeholder-icon svg { width: 26px; height: 26px; }
.video-ph-text { text-align: center; }
.video-ph-text strong { display: block; font-size: 14px; color: rgba(255,255,255,0.75); margin-bottom: 3px; }
.video-ph-text span { font-size: 12px; color: rgba(255,255,255,0.40); }

/* Steps */
.detail-steps { padding: 24px 28px 28px; }
.steps-list { display: flex; flex-direction: column; }
.step-item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.step-item:first-child { padding-top: 0; }
.step-item:last-child  { border-bottom: none; padding-bottom: 0; }
.step-n {
  flex-shrink: 0;
  width: 28px; height: 28px;
  background: var(--navy);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  margin-top: 1px;
  box-shadow: 0 2px 6px rgba(0,48,135,0.22);
}
.step-body { flex: 1; }
.step-t {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
  line-height: 1.3;
}
.step-d {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.62;
}
.step-d strong { color: var(--ink); }
.step-d em     { color: var(--blue); font-style: normal; }

/* Notes & alerts */
.detail-extras { padding: 0 28px 28px; display: flex; flex-direction: column; gap: 10px; }
.detail-note {
  background: rgba(21,101,192,0.06);
  border: 1px solid rgba(21,101,192,0.16);
  border-radius: var(--r-sm);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.55;
  display: flex;
  gap: 9px;
}
.detail-note em { color: var(--blue); font-style: normal; }
.note-icon { flex-shrink: 0; color: var(--blue); margin-top: 1px; }
.detail-alerts-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--ink-pale);
  margin-bottom: 6px;
}
.alert-item {
  background: rgba(215,119,9,0.06);
  border: 1px solid rgba(215,119,9,0.18);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.5;
  display: flex;
  gap: 8px;
}
.alert-icon { color: var(--warning); flex-shrink: 0; margin-top: 1px; }

/* NS footer */
.ns-footer {
  border-top: 1px solid var(--line);
  padding: 16px clamp(20px,5vw,56px);
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.ns-footer-copy { font-size: 12px; color: var(--ink-pale); }
.ns-footer-v {
  font-size: 11px;
  color: var(--ink-pale);
  background: var(--bg-3);
  padding: 2px 8px;
  border-radius: 100px;
  border: 1px solid var(--line);
}

/* ── 8. RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 640px) {
  .login-form-side { padding: 28px 20px; }
  .hub-hero, .hub-content { padding-left: 16px; padding-right: 16px; }
  .ns-hero-inner, .ns-main { padding-left: 16px; padding-right: 16px; }
  .detail-head, .detail-video, .detail-steps, .detail-extras { padding-left: 16px; padding-right: 16px; }
  .ns-grid { grid-template-columns: 1fr; }
  .hub-grid { grid-template-columns: 1fr; }
  .systems-grid { grid-template-columns: 1fr; }
}
@media (min-width: 900px) {
  .ns-grid { grid-template-columns: repeat(3,1fr); }
  .hub-grid { grid-template-columns: repeat(3,1fr); }
  .systems-grid { grid-template-columns: repeat(3,1fr); }
}

/* ═══════════════════════════════════════════════════════════
   9. DARK HOMEPAGE — PREMIUM REDESIGN
   Inspirado en diseño tipo CodeNest, adaptado a Artimedica.
   ═══════════════════════════════════════════════════════════ */

/* ── Tokens dark ─────────────────────────────────────────── */
:root {
  --dark-bg:     #030d1a;
  --dark-bg2:    #050f20;
  --dark-accent: #29B6F6;   /* cyan-blue — equivalente al verde de CodeNest */
  --dark-line:   rgba(255,255,255,0.07);
  --dark-text:   rgba(255,255,255,0.72);
  --dark-mute:   rgba(255,255,255,0.40);
}

/* ── Layout base homepage dark ────────────────────────────── */
.home-dark {
  background: var(--dark-bg);
  color: var(--white);
  min-height: 100vh;
  overflow-x: clip;
}

/* ── NAV dark premium ─────────────────────────────────────── */
.nav-dark {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 300;
  height: 64px;
  display: flex;
  align-items: center;
  padding: 0 clamp(20px,5vw,56px);
  gap: 0;
  background: transparent;
  transition: background 0.4s var(--ease), backdrop-filter 0.4s;
}
.nav-dark.is-scrolled {
  background: rgba(3,13,26,0.88);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-dark-logo {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}
.nav-dark-logo svg { height: 30px; width: auto; }

.nav-dark-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 auto;
}
.nav-dark-link {
  height: 36px;
  padding: 0 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.60);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  transition: color 0.2s, background 0.2s;
}
.nav-dark-link:hover { color: var(--white); background: rgba(255,255,255,0.06); }

.nav-dark-cta {
  height: 38px;
  padding: 0 20px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: var(--white);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.4px;
  display: flex;
  align-items: center;
  gap: 7px;
  transition: background 0.2s, border-color 0.2s, transform 0.15s var(--spring);
  flex-shrink: 0;
}
.nav-dark-cta:hover {
  background: var(--dark-accent);
  border-color: var(--dark-accent);
  color: var(--dark-bg);
  transform: translateY(-1px);
}
.nav-dark-cta svg { width: 14px; height: 14px; }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--r-sm);
  transition: background 0.2s;
  margin-left: auto;
}
.nav-hamburger:hover { background: rgba(255,255,255,0.07); }
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: rgba(255,255,255,0.80);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s, width 0.3s;
  transform-origin: center;
}
.nav-hamburger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.is-open span:nth-child(2) { opacity: 0; width: 0; }
.nav-hamburger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile overlay */
.nav-mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: 250;
  background: rgba(3,13,26,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease);
}
.nav-mobile-overlay.is-open { opacity: 1; pointer-events: auto; }
.nav-mobile-link {
  font-size: 28px;
  font-weight: 700;
  color: rgba(255,255,255,0.55);
  letter-spacing: -0.5px;
  padding: 12px 32px;
  border-radius: var(--r);
  transition: color 0.2s, background 0.2s;
}
.nav-mobile-link:hover { color: var(--white); background: rgba(255,255,255,0.05); }
.nav-mobile-close {
  position: absolute;
  top: 20px; right: 24px;
  color: rgba(255,255,255,0.50);
  cursor: pointer;
  transition: color 0.2s;
}
.nav-mobile-close:hover { color: var(--white); }

@media (max-width: 720px) {
  .nav-dark-links, .nav-dark-cta { display: none; }
  .nav-hamburger { display: flex; }
}

/* ── HERO DARK ────────────────────────────────────────────── */
.hero-dark {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: calc(var(--nav-h) + 40px) clamp(20px,6vw,80px) 80px;
  overflow: hidden;
}

/* Fondo animado */
.hero-dark-bg {
  position: absolute;
  inset: -10%;
  background:
    radial-gradient(ellipse 90% 50% at 50% -5%,  rgba(41,182,246,0.10) 0%, transparent 55%),
    radial-gradient(ellipse 70% 70% at 15% 30%,  rgba(0,48,135,0.95)  0%, transparent 60%),
    radial-gradient(ellipse 60% 60% at 85% 65%,  rgba(21,101,192,0.75) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 50% 100%, rgba(3,30,80,0.90)   0%, transparent 60%),
    #030d1a;
  animation: darkBgDrift 30s ease-in-out infinite;
  will-change: transform;
}
@keyframes darkBgDrift {
  0%,100% { transform: scale(1.10) rotate(0deg) translate(0%,0%); }
  33%      { transform: scale(1.14) rotate(1.5deg) translate(0.5%,-0.5%); }
  66%      { transform: scale(1.08) rotate(-1deg) translate(-0.5%,0.5%); }
}

/* Grain overlay */
.hero-dark-grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px;
}

/* Gradiente inferior para legibilidad */
.hero-dark-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(to right, rgba(3,13,26,0.65) 0%, transparent 55%),
    linear-gradient(to top, rgba(3,13,26,0.80) 0%, transparent 35%);
}

/* Líneas verticales de grid */
.hero-dark-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-dark-grid::before,
.hero-dark-grid::after,
.hero-dark-grid-mid {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(255,255,255,0.06) 15%,
    rgba(255,255,255,0.06) 85%,
    transparent 100%
  );
}
.hero-dark-grid::before { left: 25%; }
.hero-dark-grid::after  { left: 75%; }
.hero-dark-grid-mid {
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(255,255,255,0.04) 15%,
    rgba(255,255,255,0.04) 85%,
    transparent 100%
  );
}

/* Glow central horizontal */
.hero-dark-glow {
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 200px;
  pointer-events: none;
  filter: blur(25px);
}

/* ── Liquid Glass Card ────────────────────────────────────── */
.glass-card-hero {
  position: relative;
  width: 210px;
  background: rgba(255,255,255,0.02);
  backdrop-filter: blur(8px) saturate(120%);
  -webkit-backdrop-filter: blur(8px) saturate(120%);
  border-radius: 16px;
  padding: 18px 20px;
  margin-bottom: 32px;
  box-shadow:
    inset 0 1px 1px rgba(255,255,255,0.10),
    inset 0 -1px 1px rgba(0,0,0,0.20),
    0 24px 64px rgba(0,0,0,0.35);
  transform: translateY(-8px);
  animation: cardFloat 6s ease-in-out infinite;
  z-index: 1;
}

/* Border con gradiente (liquid glass edge) */
.glass-card-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 16px;
  padding: 1px;
  background: linear-gradient(
    160deg,
    rgba(255,255,255,0.22) 0%,
    rgba(255,255,255,0.04) 50%,
    rgba(255,255,255,0.08) 100%
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

@keyframes cardFloat {
  0%,100% { transform: translateY(-8px); }
  50%      { transform: translateY(-14px); }
}

.glass-card-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--dark-accent);
  margin-bottom: 8px;
  font-family: "JetBrains Mono", "Courier New", monospace;
}
.glass-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 8px;
}
.glass-card-title em {
  font-style: italic;
  color: rgba(255,255,255,0.65);
  font-weight: 400;
}
.glass-card-desc {
  font-size: 11px;
  color: rgba(255,255,255,0.45);
  line-height: 1.55;
  margin-bottom: 12px;
}
.glass-card-arrow {
  width: 28px; height: 28px;
  background: rgba(255,255,255,0.07);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.50);
  transition: background 0.2s, color 0.2s;
  cursor: pointer;
}
.glass-card-arrow:hover { background: var(--dark-accent); color: var(--dark-bg); }
.glass-card-arrow svg { width: 13px; height: 13px; }

/* ── Hero content ─────────────────────────────────────────── */
.hero-dark-inner {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero-dark-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--dark-accent);
  margin-bottom: 16px;
}
.hero-dark-eyebrow::before {
  content: "";
  width: 24px; height: 1.5px;
  background: var(--dark-accent);
  border-radius: 2px;
}

.hero-dark-title {
  font-size: clamp(38px,6.5vw,76px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.00;
  letter-spacing: -2px;
  text-transform: uppercase;
  text-wrap: balance;
  margin-bottom: 20px;
}
.hero-dark-title .accent-dot {
  color: var(--dark-accent);
}

.hero-dark-desc {
  font-size: clamp(14px,1.5vw,16px);
  color: rgba(255,255,255,0.60);
  max-width: 480px;
  line-height: 1.70;
  margin-bottom: 36px;
}

/* Botones hero dark */
.hero-dark-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.btn-dark-primary {
  height: 50px;
  padding: 0 28px;
  background: var(--dark-accent);
  color: var(--dark-bg);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  transition: transform 0.2s var(--spring), box-shadow 0.2s, opacity 0.15s;
  box-shadow: 0 4px 24px rgba(41,182,246,0.30);
}
.btn-dark-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(41,182,246,0.42);
}
.btn-dark-primary svg { width: 16px; height: 16px; }

.btn-dark-ghost {
  height: 50px;
  padding: 0 24px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  color: rgba(255,255,255,0.80);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.2s, transform 0.15s var(--spring);
}
.btn-dark-ghost:hover {
  background: rgba(255,255,255,0.11);
  transform: translateY(-2px);
}

/* Stats flotantes hero */
.hero-dark-stats {
  position: absolute;
  bottom: 48px;
  right: clamp(20px,6vw,80px);
  display: flex;
  gap: 10px;
  z-index: 2;
}
@media (max-width: 900px) { .hero-dark-stats { display: none; } }
.dark-stat {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--r);
  padding: 14px 18px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  text-align: center;
  min-width: 100px;
}
.dark-stat-n {
  font-size: 24px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 3px;
}
.dark-stat-l {
  font-size: 10px;
  color: rgba(255,255,255,0.40);
  text-transform: uppercase;
  letter-spacing: 0.7px;
  font-weight: 600;
}

/* Scroll indicator */
.hero-dark-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.25);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 600;
  animation: scrollBounce 2.5s ease-in-out infinite;
}
.hero-dark-scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.25), transparent);
}
@keyframes scrollBounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(5px); }
}

/* ── Sección Sistemas (dark) ──────────────────────────────── */
.home-systems-dark {
  background: var(--dark-bg);
  padding: clamp(60px,8vw,96px) clamp(20px,6vw,80px);
  position: relative;
}
.home-systems-dark::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08) 30%, rgba(255,255,255,0.08) 70%, transparent);
}

.home-systems-dark .section-eyebrow { color: var(--dark-accent); }
.home-systems-dark .section-eyebrow::before { background: var(--dark-accent); }
.home-systems-dark .section-title-lg { color: var(--white); }
.home-systems-dark .section-desc-lg  { color: rgba(255,255,255,0.50); }

/* System cards dark */
.system-card-dark {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-lg);
  padding: 28px 24px 22px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: transform var(--t) var(--spring), border-color var(--t), background var(--t);
  box-shadow: 0 4px 24px rgba(0,0,0,0.25);
}
.system-card-dark::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--card-glow, rgba(41,182,246,0.4)) 50%, transparent);
}
.system-card-dark--active { cursor: pointer; }
.system-card-dark--active:hover {
  transform: translateY(-4px);
  border-color: rgba(41,182,246,0.22);
  background: rgba(41,182,246,0.04);
}
.system-card-dark--soon { opacity: 0.50; }

.scd-icon {
  width: 46px; height: 46px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark-accent);
  margin-bottom: 16px;
}
.scd-icon svg { width: 22px; height: 22px; }
.scd-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 3px 9px;
  border-radius: 100px;
  margin-bottom: 10px;
  width: fit-content;
}
.scd-badge--live { background: rgba(41,182,246,0.12); color: var(--dark-accent); border: 1px solid rgba(41,182,246,0.22); }
.scd-badge--soon { background: rgba(255,255,255,0.05); color: rgba(255,255,255,0.35); border: 1px solid rgba(255,255,255,0.08); }

.scd-name { font-size: 18px; font-weight: 700; color: var(--white); letter-spacing: -0.4px; margin-bottom: 8px; }
.scd-desc { font-size: 13px; color: rgba(255,255,255,0.45); line-height: 1.6; flex: 1; margin-bottom: 20px; }
.scd-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; }
.scd-tag  {
  font-size: 10px; font-weight: 500;
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.40);
  padding: 2px 8px;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.07);
}
.scd-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.07);
  margin-top: auto;
}
.scd-meta { font-size: 12px; color: rgba(255,255,255,0.28); }
.btn-scd-active {
  height: 32px; padding: 0 16px;
  background: var(--dark-accent);
  color: var(--dark-bg);
  border-radius: 100px;
  font-size: 12px; font-weight: 700;
  display: flex; align-items: center; gap: 6px;
  transition: opacity 0.15s, transform 0.15s var(--spring);
}
.btn-scd-active:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-scd-disabled {
  height: 32px; padding: 0 16px;
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.22);
  border-radius: 100px;
  font-size: 12px; font-weight: 600;
  border: 1px solid rgba(255,255,255,0.07);
  cursor: default;
  display: flex; align-items: center; gap: 6px;
}

/* ── About dark ───────────────────────────────────────────── */
.home-about-dark {
  background: var(--dark-bg2);
  padding: clamp(60px,8vw,96px) clamp(20px,6vw,80px);
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.home-about-dark::after {
  content: "";
  position: absolute;
  bottom: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(41,182,246,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.about-dark-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px,6vw,80px);
  align-items: center;
}
@media (max-width: 720px) { .about-dark-inner { grid-template-columns: 1fr; } }

.about-dark-tagline {
  font-size: clamp(22px,3vw,34px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.8px;
  line-height: 1.15;
  text-wrap: balance;
  margin-bottom: 16px;
  margin-top: 20px;
}
.about-dark-body {
  font-size: 15px;
  color: rgba(255,255,255,0.50);
  line-height: 1.75;
}

.about-dark-pillars { display: flex; flex-direction: column; gap: 12px; }
.about-dark-pillar {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--r);
  padding: 16px 18px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: background 0.2s, border-color 0.2s;
}
.about-dark-pillar:hover { background: rgba(255,255,255,0.05); border-color: rgba(41,182,246,0.18); }
.adp-icon {
  width: 36px; height: 36px;
  background: rgba(41,182,246,0.08);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--dark-accent);
}
.adp-icon svg { width: 17px; height: 17px; }
.adp-title { font-size: 14px; font-weight: 700; color: var(--white); margin-bottom: 2px; }
.adp-text  { font-size: 13px; color: rgba(255,255,255,0.42); line-height: 1.5; }

/* ── Footer dark ──────────────────────────────────────────── */
.footer-dark {
  background: #020a14;
  padding: clamp(28px,4vw,44px) clamp(20px,6vw,80px);
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-dark-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-dark-copy { font-size: 12px; color: rgba(255,255,255,0.25); }
.footer-dark-copy strong { color: rgba(255,255,255,0.40); }
.footer-dark-links { display: flex; gap: 20px; }
.footer-dark-link { font-size: 12px; color: rgba(255,255,255,0.25); transition: color 0.2s; }
.footer-dark-link:hover { color: rgba(255,255,255,0.60); }

/* ── Reveal animation homepage dark ──────────────────────── */
.reveal-dark {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
}
.reveal-dark.is-visible { opacity: 1; transform: translateY(0); }
.reveal-dark[data-split] { opacity: 1; transform: none; } /* gotcha A.4.5 */

@media (max-width: 640px) {
  .hero-dark { padding-left: 20px; padding-right: 20px; }
  .home-systems-dark { padding-left: 16px; padding-right: 16px; }
  .home-about-dark   { padding-left: 16px; padding-right: 16px; }
  .footer-dark       { padding-left: 16px; padding-right: 16px; }
  .glass-card-hero   { width: 100%; max-width: 210px; }
  .hero-dark-title   { letter-spacing: -1px; }
}

/* ═══════════════════════════════════════════════════════════
   10. REQUEST FORM — Solicitar tutorial
   ═══════════════════════════════════════════════════════════ */
.request-section {
  margin-top: 40px;
  padding: 32px 28px;
  background: var(--white);
  border: 1.5px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-sm);
}
.request-section-head {
  margin-bottom: 24px;
}
.request-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 7px;
}
.request-eyebrow svg { width: 13px; height: 13px; }
.request-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.4px;
  margin-bottom: 5px;
}
.request-desc {
  font-size: 13px;
  color: var(--ink-mute);
  line-height: 1.6;
}
.request-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 640px) { .request-form { grid-template-columns: 1fr; } }
.rf-group { display: flex; flex-direction: column; gap: 6px; }
.rf-group--full { grid-column: 1 / -1; }
.rf-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: 0.3px;
  text-transform: uppercase;
}
.rf-input, .rf-select, .rf-textarea {
  width: 100%;
  background: var(--bg);
  border: 1.5px solid var(--line-2);
  border-radius: var(--r-sm);
  font-size: 14px;
  color: var(--ink);
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
}
.rf-input:focus, .rf-select:focus, .rf-textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(21,101,192,0.10);
  background: var(--white);
}
.rf-input    { height: 44px; padding: 0 14px; }
.rf-select   { height: 44px; padding: 0 14px; cursor: pointer; }
.rf-textarea { min-height: 90px; padding: 12px 14px; resize: vertical; line-height: 1.6; }
.rf-input::placeholder, .rf-textarea::placeholder { color: var(--ink-pale); }

.btn-rf-submit {
  height: 46px;
  padding: 0 28px;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  color: var(--white);
  border-radius: var(--r-sm);
  font-size: 14px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: opacity 0.2s, transform 0.15s var(--spring), box-shadow 0.2s;
  box-shadow: 0 4px 14px rgba(0,48,135,0.25);
  width: fit-content;
}
.btn-rf-submit:hover { opacity: 0.90; transform: translateY(-1px); }
.btn-rf-submit:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
.btn-rf-submit svg { width: 16px; height: 16px; }

.request-success {
  display: none;
  background: rgba(5,150,105,0.08);
  border: 1px solid rgba(5,150,105,0.22);
  border-radius: var(--r-sm);
  padding: 16px 18px;
  font-size: 14px;
  color: var(--success);
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  line-height: 1.5;
}
.request-success.is-visible { display: flex; }
.request-success svg { width: 20px; height: 20px; flex-shrink: 0; }

.request-error {
  display: none;
  background: rgba(220,38,38,0.07);
  border: 1px solid rgba(220,38,38,0.18);
  border-radius: var(--r-sm);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--error);
  align-items: center;
  gap: 8px;
  margin-top: 12px;
}
.request-error.is-visible { display: flex; }

/* ═══════════════════════════════════════════════════════════
   11. ADMIN PANEL
   ═══════════════════════════════════════════════════════════ */
.admin-page { background: var(--bg); min-height: 100vh; }

/* Admin nav */
.admin-nav {
  height: 60px;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  padding: 0 clamp(16px,3vw,32px);
  gap: 12px;
  box-shadow: var(--sh-xs);
  position: sticky;
  top: 0;
  z-index: 100;
}
.admin-nav-logo { display: flex; align-items: center; gap: 10px; }
.admin-nav-logo svg { height: 26px; }
.admin-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  color: var(--white);
  padding: 3px 10px;
  border-radius: 100px;
}
.admin-nav-user { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.admin-nav-email { font-size: 12px; color: var(--ink-mute); display: none; }
@media (min-width: 560px) { .admin-nav-email { display: block; } }

/* Admin layout */
.admin-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - 60px);
}
@media (max-width: 760px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { display: none; }
}

/* Sidebar */
.admin-sidebar {
  background: var(--white);
  border-right: 1px solid var(--line);
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.admin-sidebar-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--ink-pale);
  padding: 0 10px;
  margin-bottom: 4px;
  margin-top: 8px;
}
.admin-sidebar-label:first-child { margin-top: 0; }
.admin-tab {
  height: 40px;
  padding: 0 12px;
  border-radius: var(--r-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}
.admin-tab:hover { background: var(--bg-3); color: var(--navy); }
.admin-tab.is-active { background: var(--blue-xpale); color: var(--navy); font-weight: 600; }
.admin-tab svg { width: 16px; height: 16px; flex-shrink: 0; }
.admin-tab-badge {
  margin-left: auto;
  font-size: 11px;
  font-weight: 700;
  background: var(--error);
  color: var(--white);
  width: 18px; height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  display: none;
}
.admin-tab-badge.is-visible { display: flex; }

/* Main content */
.admin-main {
  padding: clamp(20px,3vw,36px);
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Panel sections */
.admin-panel { display: none; flex-direction: column; gap: 20px; }
.admin-panel.is-active { display: flex; }

.admin-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.admin-panel-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.4px;
}
.admin-panel-sub {
  font-size: 13px;
  color: var(--ink-mute);
  margin-top: 2px;
}

/* Btn add */
.btn-admin-add {
  height: 38px;
  padding: 0 18px;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 7px;
  transition: background 0.2s, transform 0.15s var(--spring);
  flex-shrink: 0;
}
.btn-admin-add:hover { background: var(--blue); transform: translateY(-1px); }
.btn-admin-add svg { width: 14px; height: 14px; }

/* Tutorial list */
.admin-tutorial-list { display: flex; flex-direction: column; gap: 10px; }
.admin-tutorial-item {
  background: var(--white);
  border: 1.5px solid var(--line);
  border-radius: var(--r);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.admin-tutorial-item:hover { border-color: var(--line-2); box-shadow: var(--sh-sm); }
.ati-num {
  width: 28px; height: 28px;
  background: var(--blue-xpale);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--navy);
  flex-shrink: 0;
}
.ati-info { flex: 1; min-width: 0; }
.ati-title { font-size: 14px; font-weight: 700; color: var(--ink); margin-bottom: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ati-meta  { font-size: 12px; color: var(--ink-mute); display: flex; gap: 10px; flex-wrap: wrap; }
.ati-cat   { background: var(--bg-3); padding: 1px 8px; border-radius: 100px; }
.ati-video { color: var(--success); }
.ati-video--no { color: var(--ink-pale); }
.ati-actions { display: flex; gap: 6px; flex-shrink: 0; }
.btn-ati-edit {
  height: 32px; padding: 0 12px;
  background: var(--bg-3);
  color: var(--ink-soft);
  border-radius: var(--r-sm);
  font-size: 12px;
  font-weight: 600;
  display: flex; align-items: center; gap: 5px;
  border: 1px solid var(--line-2);
  transition: background 0.15s, color 0.15s;
}
.btn-ati-edit:hover { background: var(--blue-xpale); color: var(--navy); border-color: var(--blue); }
.btn-ati-edit svg { width: 13px; height: 13px; }
.btn-ati-del {
  height: 32px; width: 32px;
  background: var(--bg-3);
  color: var(--ink-pale);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-2);
  transition: background 0.15s, color 0.15s;
}
.btn-ati-del:hover { background: rgba(220,38,38,0.08); color: var(--error); border-color: rgba(220,38,38,0.2); }
.btn-ati-del svg { width: 14px; height: 14px; }

/* Empty state admin */
.admin-empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--ink-mute);
  border: 1.5px dashed var(--line-2);
  border-radius: var(--r-lg);
}
.admin-empty svg { width: 40px; height: 40px; color: var(--ink-pale); margin: 0 auto 12px; }
.admin-empty strong { display: block; font-size: 15px; color: var(--ink-soft); margin-bottom: 6px; }

/* ── Editor de tutorial (panel lateral deslizante) ──────── */
.admin-editor-overlay {
  position: fixed;
  inset: 0;
  z-index: 400;
  background: rgba(10,22,40,0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
}
.admin-editor-overlay.is-open { opacity: 1; pointer-events: auto; }

.admin-editor {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(540px, 100vw);
  background: var(--white);
  border-left: 1px solid var(--line);
  box-shadow: -8px 0 40px rgba(0,32,90,0.12);
  z-index: 401;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s var(--ease-out);
  overflow: hidden;
}
.admin-editor-overlay.is-open .admin-editor { transform: translateX(0); }

.admin-editor-head {
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.admin-editor-head-title { font-size: 16px; font-weight: 700; color: var(--ink); flex: 1; }
.btn-editor-close {
  width: 32px; height: 32px;
  background: var(--bg-3);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-mute);
  transition: background 0.15s, color 0.15s;
}
.btn-editor-close:hover { background: rgba(220,38,38,0.08); color: var(--error); }
.btn-editor-close svg { width: 16px; height: 16px; }

.admin-editor-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.admin-editor-body::-webkit-scrollbar { width: 4px; }
.admin-editor-body::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 2px; }

/* Form fields editor */
.ef-group { display: flex; flex-direction: column; gap: 6px; }
.ef-label {
  font-size: 12px; font-weight: 600;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.ef-input, .ef-select, .ef-textarea {
  width: 100%;
  background: var(--bg);
  border: 1.5px solid var(--line-2);
  border-radius: var(--r-sm);
  font-size: 14px;
  color: var(--ink);
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.15s;
  -webkit-appearance: none;
}
.ef-input:focus, .ef-select:focus, .ef-textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(21,101,192,0.10);
  background: var(--white);
}
.ef-input  { height: 42px; padding: 0 12px; }
.ef-select { height: 42px; padding: 0 12px; cursor: pointer; }
.ef-textarea { padding: 10px 12px; resize: vertical; line-height: 1.6; min-height: 72px; }
.ef-hint { font-size: 11px; color: var(--ink-pale); margin-top: 2px; }

/* YouTube preview */
.ef-yt-preview {
  display: none;
  background: var(--bg-3);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  font-size: 12px;
  color: var(--success);
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}
.ef-yt-preview.is-visible { display: flex; }
.ef-yt-preview svg { width: 14px; height: 14px; flex-shrink: 0; }

/* Steps editor */
.ef-steps-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}
.ef-steps-title { font-size: 12px; font-weight: 600; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.3px; }
.btn-ef-add-step {
  height: 28px; padding: 0 12px;
  background: var(--blue-xpale);
  color: var(--navy);
  border-radius: var(--r-sm);
  font-size: 12px; font-weight: 600;
  display: flex; align-items: center; gap: 5px;
  transition: background 0.15s;
}
.btn-ef-add-step:hover { background: var(--blue-pale); }
.btn-ef-add-step svg { width: 12px; height: 12px; }

.ef-steps-list { display: flex; flex-direction: column; gap: 10px; }
.ef-step-item {
  background: var(--bg);
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  padding: 12px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.ef-step-num {
  width: 24px; height: 24px;
  background: var(--navy);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
  flex-shrink: 0;
  margin-top: 9px;
}
.ef-step-fields { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.ef-step-fields input  { height: 36px; font-size: 13px; }
.ef-step-fields textarea { font-size: 13px; min-height: 56px; padding: 8px 10px; }
.btn-ef-del-step {
  width: 28px; height: 28px;
  color: var(--ink-pale);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-top: 9px;
  transition: background 0.15s, color 0.15s;
}
.btn-ef-del-step:hover { background: rgba(220,38,38,0.08); color: var(--error); }
.btn-ef-del-step svg { width: 14px; height: 14px; }

/* Divider */
.ef-divider {
  height: 1px;
  background: var(--line);
  margin: 0 -24px;
}

/* Editor footer */
.admin-editor-foot {
  padding: 16px 24px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 10px;
  flex-shrink: 0;
  background: var(--bg);
}
.btn-editor-save {
  flex: 1;
  height: 44px;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  color: var(--white);
  border-radius: var(--r-sm);
  font-size: 14px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: opacity 0.2s, transform 0.15s var(--spring);
  box-shadow: 0 3px 12px rgba(0,48,135,0.22);
}
.btn-editor-save:hover { opacity: 0.90; transform: translateY(-1px); }
.btn-editor-save:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
.btn-editor-save svg { width: 16px; height: 16px; }
.btn-editor-cancel {
  height: 44px; padding: 0 20px;
  background: var(--bg-2);
  color: var(--ink-soft);
  border-radius: var(--r-sm);
  font-size: 14px; font-weight: 600;
  border: 1.5px solid var(--line-2);
  transition: background 0.15s;
}
.btn-editor-cancel:hover { background: var(--bg-3); }

/* Save spinner */
.btn-editor-save .save-spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}
.btn-editor-save.is-saving .save-text   { display: none; }
.btn-editor-save.is-saving .save-spinner { display: block; }

/* ── Solicitudes ──────────────────────────────────────────── */
.solicitudes-list { display: flex; flex-direction: column; gap: 10px; }
.solicitud-card {
  background: var(--white);
  border: 1.5px solid var(--line);
  border-radius: var(--r);
  padding: 18px 20px;
  transition: border-color 0.2s;
}
.solicitud-card:hover { border-color: var(--line-2); }
.solicitud-card--atendida { opacity: 0.50; }
.sc-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}
.sc-title { font-size: 15px; font-weight: 700; color: var(--ink); letter-spacing: -0.2px; }
.sc-status {
  font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.5px;
  padding: 2px 9px; border-radius: 100px;
  flex-shrink: 0;
  margin-top: 2px;
}
.sc-status--pendiente { background: rgba(217,119,6,0.10); color: var(--warning); }
.sc-status--atendida  { background: rgba(5,150,105,0.10); color: var(--success); }
.sc-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--ink-mute);
  margin-bottom: 10px;
}
.sc-meta strong { color: var(--ink-soft); }
.sc-desc {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.6;
  background: var(--bg-3);
  padding: 10px 12px;
  border-radius: var(--r-sm);
  margin-bottom: 12px;
  border-left: 3px solid var(--line-2);
}
.btn-sc-atender {
  height: 30px; padding: 0 14px;
  background: rgba(5,150,105,0.10);
  color: var(--success);
  border-radius: 100px;
  font-size: 12px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 5px;
  border: 1px solid rgba(5,150,105,0.20);
  transition: background 0.15s;
}
.btn-sc-atender:hover { background: rgba(5,150,105,0.18); }
.btn-sc-atender svg { width: 12px; height: 12px; }

/* Toast notification */
.admin-toast {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 500;
  background: var(--ink);
  color: var(--white);
  border-radius: var(--r);
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--sh-lg);
  transform: translateY(80px);
  opacity: 0;
  transition: transform 0.35s var(--spring), opacity 0.3s;
  pointer-events: none;
  max-width: 340px;
}
.admin-toast.is-visible { transform: translateY(0); opacity: 1; }
.admin-toast--success { background: var(--success); }
.admin-toast--error   { background: var(--error); }
.admin-toast svg { width: 18px; height: 18px; flex-shrink: 0; }

/* Confirm dialog */
.admin-confirm {
  position: fixed;
  inset: 0;
  z-index: 600;
  background: rgba(10,22,40,0.60);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
.admin-confirm.is-open { opacity: 1; pointer-events: auto; }
.admin-confirm-box {
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 28px 28px 22px;
  max-width: 380px;
  width: 100%;
  box-shadow: var(--sh-lg);
  transform: scale(0.96);
  transition: transform 0.25s var(--spring);
}
.admin-confirm.is-open .admin-confirm-box { transform: scale(1); }
.admin-confirm-title { font-size: 17px; font-weight: 800; color: var(--ink); margin-bottom: 8px; }
.admin-confirm-desc  { font-size: 14px; color: var(--ink-mute); line-height: 1.6; margin-bottom: 20px; }
.admin-confirm-actions { display: flex; gap: 10px; }
.btn-confirm-cancel {
  flex: 1; height: 42px;
  background: var(--bg-3);
  color: var(--ink-soft);
  border-radius: var(--r-sm);
  font-size: 14px; font-weight: 600;
  border: 1.5px solid var(--line-2);
}
.btn-confirm-delete {
  flex: 1; height: 42px;
  background: var(--error);
  color: var(--white);
  border-radius: var(--r-sm);
  font-size: 14px; font-weight: 700;
}
.btn-confirm-delete:hover { opacity: 0.88; }

/* Loading skeleton */
.admin-loading {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.skel {
  background: linear-gradient(90deg, var(--bg-3) 25%, var(--bg-4) 50%, var(--bg-3) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--r-sm);
}
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }
.skel-row { height: 72px; border-radius: var(--r); }