/* ═══════════════════════════════════════════════════════════════
   global.css — Trayector-IA Design System
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800;900&family=Roboto:wght@300;400;500&family=Roboto+Mono:wght@400;500&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --color-bg:          #EBEBEB;
  --color-bg-card:     #ffffff;
  --color-bg-subtle:   #f4f4f6;
  --color-primary:     #4062BB;
  --color-primary-dim: rgba(64, 98, 187, 0.12);
  --color-primary-glow:rgba(64, 98, 187, 0.35);
  --color-accent:      #2c46a0;
  --color-text:        #121413;
  --color-text-muted:  #5a5f6a;
  --color-border:      rgba(18, 20, 19, 0.1);
  --color-shadow:      rgba(64, 98, 187, 0.15);
  --color-success:     #1cb87e;
  --color-warning:     #f0a500;
  --color-error:       #e03c3c;
  --header-h:          72px;
  --radius-sm:         6px;
  --radius-md:         12px;
  --radius-lg:         20px;
  --radius-xl:         32px;
  --transition:        0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --font-heading:      'Montserrat', sans-serif;
  --font-body:         'Roboto', sans-serif;
  --font-mono:         'Roboto Mono', monospace;
}

.dark-mode {
  --color-bg:          #0e1014;
  --color-bg-card:     #181c24;
  --color-bg-subtle:   #1e2330;
  --color-primary:     #5b7fe3;
  --color-primary-dim: rgba(91, 127, 227, 0.14);
  --color-primary-glow:rgba(91, 127, 227, 0.4);
  --color-accent:      #7fa0f5;
  --color-text:        #e8eaf0;
  --color-text-muted:  #8a92a8;
  --color-border:      rgba(255, 255, 255, 0.08);
  --color-shadow:      rgba(91, 127, 227, 0.2);
}

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  transition: background-color var(--transition), color var(--transition);
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: opacity var(--transition); }
a:hover { opacity: 0.8; }

/* ── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

.display-text {
  font-size: clamp(2.6rem, 6vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.label-mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
}

/* ── Layout Utilities ──────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section      { padding: 96px 0; }
.section--sm  { padding: 64px 0; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px var(--color-shadow);
  border-color: var(--color-primary);
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 20px var(--color-shadow);
}
.btn-primary:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--color-primary-glow);
  opacity: 1;
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary-dim);
  transform: translateY(-2px);
  opacity: 1;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-ghost:hover {
  background: var(--color-bg-subtle);
  opacity: 1;
}

/* ── Badge ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: var(--color-primary-dim);
  color: var(--color-primary);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
}

/* ── Header ────────────────────────────────────────────────── */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(235, 235, 235, 0.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), border-color var(--transition);
}

.dark-mode #site-header {
  background: rgba(14, 16, 20, 0.85);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.3rem;
  letter-spacing: -0.03em;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo span { color: var(--color-primary); }
.logo:hover { opacity: 1; }

.logo-dot {
  width: 8px; height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.4); opacity: 0.6; }
}

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

nav.main-nav a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

nav.main-nav a:hover,
nav.main-nav a.active {
  color: var(--color-primary);
  background: var(--color-primary-dim);
  opacity: 1;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ── Theme Toggle ──────────────────────────────────────────── */
#theme-toggle {
  width: 44px; height: 24px;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  cursor: pointer;
  position: relative;
  transition: background var(--transition);
}

#theme-toggle::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 16px; height: 16px;
  background: var(--color-primary);
  border-radius: 50%;
  transition: transform var(--transition);
}

.dark-mode #theme-toggle::after {
  transform: translateX(20px);
}

.theme-toggle-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-icon {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
}

/* ── Lucide Vector Icons ─────────────────────────────────────── */
/* Base: Lucide reemplaza <i data-lucide="..."> con <svg class="lucide ..."> */
svg.lucide {
  display: inline-block;
  vertical-align: middle;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  flex-shrink: 0;
}

/* Tamaños por contexto */
.theme-icon svg.lucide              { width: 16px; height: 16px; }
.career-icon svg.lucide             { width: 26px; height: 26px; }
.mission-icon svg.lucide            { width: 30px; height: 30px; }
.pipe-icon svg.lucide               { width: 26px; height: 26px; }
.tech-icon svg.lucide               { width: 22px; height: 22px; }
.sidebar-brand-icon svg.lucide      { width: 26px; height: 26px; color: #fff; }
.block-label svg.lucide             { width: 15px; height: 15px; vertical-align: -3px; margin-right: 5px; }
.tip-label svg.lucide               { width: 14px; height: 14px; vertical-align: -2px; margin-right: 4px; }
.institution-tag svg.lucide         { width: 13px; height: 13px; vertical-align: -2px; margin-right: 4px; }
.lock-icon svg.lucide               { width: 52px; height: 52px; opacity: 0.5; }
.btn svg.lucide                     { width: 15px; height: 15px; vertical-align: -2px; margin-right: 5px; }
.badge svg.lucide                   { width: 11px; height: 11px; vertical-align: -1px; margin-right: 3px; }
.result-chip svg.lucide             { width: 14px; height: 14px; vertical-align: -2px; margin-right: 5px; }
.completion-banner svg.lucide       { width: 18px; height: 18px; vertical-align: -4px; margin-right: 6px; }
.ai-avatar svg.lucide               { width: 20px; height: 20px; }
.result-pct svg.lucide              { width: 13px; height: 13px; vertical-align: -2px; margin-right: 4px; }
.icon-section-h3 svg.lucide         { width: 18px; height: 18px; vertical-align: -4px; margin-right: 8px; }
.icon-status svg.lucide             { width: 15px; height: 15px; vertical-align: -2px; margin-right: 5px; }
.sobre-card-icon svg.lucide         { width: 28px; height: 28px; }
.icon-inline svg.lucide             { width: 14px; height: 14px; vertical-align: -2px; margin-right: 4px; }

/* Avatares del chat (generados por JS) */
.msg-avatar svg                     { width: 18px; height: 18px; display: block; }
.msg-warning svg                    { width: 14px; height: 14px; vertical-align: -2px; flex-shrink: 0; }

/* ── Hamburger (mobile) ────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ── Page Wrapper ──────────────────────────────────────────── */
main {
  padding-top: var(--header-h);
  min-height: 100vh;
}

/* ── Footer ────────────────────────────────────────────────── */
#site-footer {
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.footer-col p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-col nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col nav a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer-col nav a:hover {
  color: var(--color-primary);
  opacity: 1;
}

.footer-unis {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.uni-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.uni-badge-icon {
  width: 32px; height: 32px;
  background: var(--color-primary-dim);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.uni-badge-text strong {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}

.uni-badge-text span {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom p, .footer-bottom a {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
}

/* ── Divider ───────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: 48px 0;
}

/* ── Animations ────────────────────────────────────────────── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.anim-fade-up  { animation: fade-up  0.7s ease forwards; }
.anim-fade-in  { animation: fade-in  0.5s ease forwards; }

[data-delay="1"] { animation-delay: 0.1s; opacity: 0; }
[data-delay="2"] { animation-delay: 0.2s; opacity: 0; }
[data-delay="3"] { animation-delay: 0.3s; opacity: 0; }
[data-delay="4"] { animation-delay: 0.4s; opacity: 0; }
[data-delay="5"] { animation-delay: 0.5s; opacity: 0; }
[data-delay="6"] { animation-delay: 0.6s; opacity: 0; }

/* ── Progress Bar ──────────────────────────────────────────── */
.progress-bar-wrap {
  height: 4px;
  background: var(--color-border);
  border-radius: 100px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 100px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 660px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  nav.main-nav { display: none; }
  .hamburger { display: flex; }

  nav.main-nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px;
    gap: 4px;
    z-index: 999;
  }

  nav.main-nav.open a {
    display: block;
    width: 100%;
    padding: 12px 14px;
  }
}


/* ═══════════════════════════════════════════════════════════════

/* ═══════════════════════════════════════════════════════════════

/* ═══════════════════════════════════════════════════════════════
   LOGOS — SVG inline con currentColor + var(--color-primary)
   ─────────────────────────────────────────────────────────────
   Los SVG están pegados INLINE en base.html.
   fill="currentColor" hereda --color-text del tema.
   fill="var(--color-primary)" hereda el azul/verde del tema.
   fill="var(--color-success)" hereda el verde del tema.
   Al cambiar dark-mode, las vars CSS cambian y los logos también.
   ═══════════════════════════════════════════════════════════════ */

/* ── Logo Trayector-IA — header ──────────────────────────── */
.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity var(--transition);
}
.logo-link:hover { opacity: 0.72; }

/* SVG viewBox: 960.1 × 138.02 → ratio ≈ 6.96 : 1
   A 36px de alto el ancho natural es ~250px — proporción óptima
   para un header de 72px (logo = 50 % de la altura del header).

   Positivo (light mode): color oscuro sobre fondo claro   ← OK con var(--color-text)
   Negativo (dark mode):  blanco puro sobre fondo muy oscuro ← explícito abajo */
.logo-img {
  color: var(--color-text);
  height: 36px;
  width: auto;
  max-width: 252px;   /* holgura mínima sobre el ancho natural de 250px */
  display: block;
  overflow: visible;
  transition: color var(--transition);
}

/* Negativo explícito: blanco puro para máximo contraste en header oscuro */
.dark-mode .logo-img {
  color: #ffffff;
}

/* ── Logo Trayector-IA — footer ──────────────────────────── */
.footer-brand { margin-bottom: 16px; }

.footer-logo-img {
  color: var(--color-text);
  height: 30px;
  width: auto;
  max-width: 210px;
  display: block;
  overflow: visible;
  transition: color var(--transition);
}

/* Versión negativa en footer oscuro */
.dark-mode .footer-logo-img {
  color: rgba(255, 255, 255, 0.88);
}

/* ── Logo UV — footer (vertical, casi cuadrado viewBox 136×118) ── */
.institutional-logo-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px 16px 14px;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  min-height: 160px;
  color: var(--color-text);   /* currentColor para textos del SVG -->
  transition: border-color var(--transition), background var(--transition),
              color var(--transition), box-shadow var(--transition);
}

.institutional-logo-zone:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 20px var(--color-shadow);
}

/* viewBox: 136.72 × 118.5 → casi cuadrado
   Mostramos el logo a ~110px de ancho */
.institutional-logo {
  width: 110px;
  height: auto;
  display: block;
  overflow: visible;
  transition: opacity var(--transition);
}

.inst-campus-note {
  font-size: 0.68rem !important;
  color: var(--color-primary) !important;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  margin-top: 10px !important;
  opacity: 0.75;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .logo-img        { height: 30px; }
  .footer-logo-img { height: 26px; }
}

@media (max-width: 660px) {
  .logo-img               { height: 26px; max-width: 182px; }
  .footer-logo-img        { height: 22px; max-width: 165px; }
  .institutional-logo     { width: 90px; }
  .institutional-logo-zone{ min-height: 140px; padding: 14px 10px 10px; }
}}

/* ── Login ─────────────────────────────────────────────────── */
.login-shell {
  position: relative;
  margin: 0 auto;
  max-width: 1120px;
  padding: clamp(56px, 9vh, 96px) 24px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(28px, 6vw, 64px);
  align-items: center;
  overflow: hidden;
}

.login-visual {
  position: relative;
  z-index: 1;
  padding: 32px 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: login-fade 0.6s ease both;
}

.login-badge {
  align-self: flex-start;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--color-primary-dim);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.login-visual h1 {
  font-size: clamp(2.2rem, 3.6vw, 3rem);
  letter-spacing: -0.02em;
}

.login-lede {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 420px;
}

.login-points {
  display: grid;
  gap: 16px;
  max-width: 440px;
}

.login-point {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  box-shadow: 0 12px 30px var(--color-shadow);
}

.login-point-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-dim);
  color: var(--color-primary);
}

.login-point h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.login-point p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.login-card {
  position: relative;
  z-index: 1;
  padding: 32px;
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  box-shadow: 0 20px 50px rgba(18, 20, 19, 0.15);
  animation: login-float 0.7s ease both;
}

.login-card-header {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}

.login-card-header p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.login-form {
  display: grid;
  gap: 14px;
}

.login-label {
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.login-field {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
  padding: 12px 14px;
  font-size: 0.95rem;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.login-field:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-dim);
  background: var(--color-bg-card);
}

.login-action {
  width: 100%;
  padding: 12px 16px;
  font-weight: 700;
  border-radius: var(--radius-sm);
}

.login-hint {
  font-size: 0.86rem;
  color: var(--color-text-muted);
}

.login-error {
  display: none;
  color: var(--color-error);
  font-size: 0.9rem;
}

@keyframes login-fade {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes login-float {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 980px) {
  .login-shell {
    grid-template-columns: 1fr;
  }

  .login-card {
    order: 1;
  }

  .login-visual {
    order: 2;
  }
}

@media (max-width: 640px) {
  .login-shell {
    padding: 48px 18px 64px;
  }

  .login-card {
    padding: 26px 20px;
  }

  .login-point {
    grid-template-columns: 36px minmax(0, 1fr);
  }
}