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

:root {
  --azul-900:  #060f1e;
  --azul-800:  #09172e;
  --azul-700:  #0d2145;
  --azul-600:  #122f6a;
  --azul-500:  #1a4a9e;
  --azul-400:  #2563c8;
  --azul-300:  #5b8de8;
  --azul-200:  #a8c4f5;
  --azul-100:  #daeafd;

  --dorado:       #c9a84c;
  --dorado-claro: #dfc06e;
  --dorado-tenue: rgba(201,168,76,0.12);
  --dorado-borde: rgba(201,168,76,0.22);

  --blanco:  #ffffff;
  --gris-100: #f0f2f5;
  --gris-200: #dde2ea;
  --gris-400: #9aa3b2;
  --gris-700: #4a5568;

  --nav-text:  #c8d8f0;
  --nav-hover: #ffffff;

  --font: 'Montserrat', sans-serif;
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;
  --ease: 0.22s ease;
  --shadow: 0 12px 40px rgba(6,15,30,0.55);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
/* overflow-x: clip corta el desborde horizontal (menú móvil fuera de
   pantalla, reveals laterales) SIN romper position:sticky del header.
   'hidden' queda como fallback para navegadores antiguos. */
html { scroll-behavior: smooth; overflow-x: hidden; overflow-x: clip; }
body {
  font-family: var(--font);
  background: var(--blanco);
  color: var(--gris-700);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overflow-x: clip;
}
img { max-width: 100%; display: block; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }

/* ── HEADER ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--azul-800);
  border-bottom: 1px solid var(--dorado-borde);
  transition: background var(--ease), box-shadow var(--ease);
}
.header-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 2.5rem;
  height: 120px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  transition: height var(--ease);
}
/* Logo: izquierda */
.site-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: opacity var(--ease);
}
.site-logo:hover { opacity: 0.85; }

.site-logo img {
  height: 100px;
  width: auto;
  display: block;
  transition: height var(--ease);
}

.logo-text-wrap { display: none; }

/* Nav: derecha */
.main-nav {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 4px;
}

.nav-item { position: relative; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--nav-text);
  border-radius: var(--r-sm);
  transition: color var(--ease), background var(--ease);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

.nav-link:hover,
.nav-item:hover > .nav-link {
  color: var(--nav-hover);
  background: rgba(255,255,255,0.07);
}

.nav-link.active { color: var(--dorado-claro); }

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--dorado);
  border-radius: 2px 2px 0 0;
}

.nav-arrow {
  font-size: 7px;
  opacity: 0.5;
  transition: transform var(--ease), opacity var(--ease);
}
.nav-item:hover > .nav-link .nav-arrow {
  transform: rotate(180deg);
  opacity: 0.9;
}

/* Dropdown */
.dropdown {
  position: absolute;
  top: calc(100%);
  left: 0;
  min-width: 196px;
  background: var(--azul-900);
  border: 1px solid var(--dorado-borde);
  border-top: 2px solid var(--dorado);
  border-radius: 0 var(--r-md) var(--r-md) var(--r-md);
  padding: 8px 0 5px 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity var(--ease), transform var(--ease), visibility var(--ease);
  box-shadow: var(--shadow);
  z-index: 200;
}

.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.dropdown a {
  display: block;
  padding: 7px 15px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--nav-text);
  border-left: 2px solid transparent;
  transition: color var(--ease), background var(--ease), border-color var(--ease), padding-left var(--ease);
}

.dropdown a:hover {
  color: var(--dorado-claro);
  background: var(--dorado-tenue);
  border-left-color: var(--dorado);
  padding-left: 19px;
}

/* Hamburguesa */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  background: none;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: border-color var(--ease), background var(--ease);
}
.menu-toggle:hover {
  background: rgba(255,255,255,0.06);
  border-color: var(--dorado-borde);
}
.menu-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--nav-text);
  border-radius: 2px;
  transition: transform 0.28s ease, opacity 0.2s ease;
}
.menu-toggle.open span { background: var(--dorado-claro); }
.menu-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 280px;
  background: var(--azul-900);
  border-left: 1px solid var(--dorado-borde);
  z-index: 850;
  overflow-y: auto;
  padding: 80px 0 32px;
  transform: translateX(100%);
  transition: transform 0.32s cubic-bezier(0.4,0,0.2,1);
  box-shadow: -8px 0 32px rgba(6,15,30,0.6);
}
.mobile-nav.open { transform: translateX(0); }

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(6,15,30,0.6);
  z-index: 840;
  opacity: 0;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(2px);
}
.mobile-overlay.open { opacity: 1; }

.mobile-section-title {
  display: block;
  padding: 14px 20px 4px;
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--dorado);
  opacity: 0.7;
}
.mobile-nav a {
  display: block;
  padding: 9px 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--nav-text);
  border-left: 2px solid transparent;
  transition: color var(--ease), border-color var(--ease), background var(--ease);
}
.mobile-nav a.sub {
  padding-left: 34px;
  font-size: 10.5px;
  font-weight: 500;
  opacity: 0.8;
}
.mobile-nav a:hover {
  color: var(--dorado-claro);
  border-left-color: var(--dorado);
  background: var(--dorado-tenue);
  opacity: 1;
}

/* ── CONTENIDO ── */
.page-content { background: var(--blanco); min-height: 60vh; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* ── FOOTER ── */
.site-footer {
  background: var(--azul-800);
  border-top: 1px solid var(--dorado-borde);
  color: var(--nav-text);
}
.site-footer::before {
  content: '';
  display: block;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--dorado) 30%, var(--dorado-claro) 50%, var(--dorado) 70%, transparent 100%);
  opacity: 0.6;
}

.footer-grid {
  max-width: 1300px;
  margin: 0 auto;
  padding: 52px 2rem 40px;
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1fr;
  gap: 44px;
  align-items: start;
}

.footer-brand .site-logo { margin-bottom: 16px; }

.footer-brand p {
  font-size: 12px;
  line-height: 1.9;
  color: rgba(200,216,240,0.55);
  max-width: 270px;
  margin-bottom: 20px;
}

.social-row { display: flex; gap: 8px; margin-bottom: 22px; }

.social-btn {
  width: 33px;
  height: 33px;
  border-radius: 50%;
  border: 1px solid var(--dorado-borde);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dorado);
  font-size: 11px;
  font-weight: 700;
  background: var(--dorado-tenue);
  transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
}
.social-btn:hover {
  background: var(--dorado);
  color: var(--azul-900);
  border-color: var(--dorado);
  transform: translateY(-2px);
}

.footer-countdown {
  border: 1px solid var(--dorado-borde);
  border-radius: var(--r-md);
  padding: 14px;
  background: rgba(6,15,30,0.45);
}
.countdown-label {
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--dorado);
  text-align: center;
  display: block;
  margin-bottom: 12px;
  opacity: 0.75;
}
.countdown-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 5px;
}
.cd-box {
  text-align: center;
  background: rgba(6,15,30,0.55);
  border-radius: var(--r-sm);
  border: 1px solid rgba(255,255,255,0.05);
  padding: 8px 4px;
}
.cd-num {
  display: block;
  font-size: 20px;
  font-weight: 800;
  color: var(--blanco);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.cd-lbl {
  display: block;
  font-size: 7.5px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--dorado);
  opacity: 0.5;
  margin-top: 3px;
}

.footer-col h4 {
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--dorado-claro);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--dorado-borde);
}
.footer-col ul li { margin-bottom: 7px; }
.footer-col ul li a {
  font-size: 11.5px;
  color: rgba(200,216,240,0.55);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: color var(--ease);
}
.footer-col ul li a::before {
  content: '';
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--dorado);
  opacity: 0.4;
  flex-shrink: 0;
  transition: opacity var(--ease);
}
.footer-col ul li a:hover { color: var(--dorado-claro); }
.footer-col ul li a:hover::before { opacity: 1; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); }
.footer-bottom-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 16px 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p { font-size: 11px; color: rgba(200,216,240,0.35); }
.footer-bottom .inst { font-size: 11px; color: rgba(200,216,240,0.3); }
.footer-bottom .inst span { color: var(--dorado); opacity: 0.8; }

.scroll-top-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--dorado-tenue);
  border: 1px solid var(--dorado-borde);
  cursor: pointer;
  color: var(--dorado-claro);
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--ease), color var(--ease), transform var(--ease);
  text-decoration: none;
}
.scroll-top-btn:hover {
  background: var(--dorado);
  color: var(--azul-900);
  transform: translateY(-2px);
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .main-nav    { display: none; }
  .menu-toggle { display: flex; }
  .mobile-nav  { display: block; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}

@media (max-width: 640px) {
  .header-inner        { padding: 0 1rem; }
  .footer-grid         { grid-template-columns: 1fr; padding: 32px 1rem 24px; gap: 24px; }
  .footer-bottom-inner { padding: 14px 1rem; }
  .container           { padding: 0 1rem; }
}

.mobile-nav-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--dorado-tenue);
  border: 1px solid var(--dorado-borde);
  color: var(--dorado-claro);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--ease), color var(--ease);
}
.mobile-nav-close:hover {
  background: var(--dorado);
  color: var(--azul-900);
}

/* ── Próximamente en dropdown Expofería ── */
.dropdown-proximamente {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  cursor: default;
  pointer-events: none;
  border-radius: 6px;
  background: rgba(201,168,76,.08);
  border: 1px solid rgba(201,168,76,.2);
  margin: 4px 8px;
}
.proximamente-icon {
  font-size: 20px;
  flex-shrink: 0;
  opacity: .8;
}
.proximamente-texto {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.2;
}
.proximamente-texto strong {
  color: var(--dorado-claro);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.proximamente-texto small {
  color: rgba(200,216,240,.5);
  font-size: .72rem;
  font-weight: 400;
}

/* ── Reglamento en menú principal ── */
.nav-reglamento {
  background: var(--dorado);
  color: var(--azul-900) !important;
  font-weight: 700;
  padding: 6px 14px !important;
  border-radius: 6px;
  font-size: .82rem;
  letter-spacing: .02em;
  transition: background var(--ease), box-shadow var(--ease);
  white-space: nowrap;
}
.nav-reglamento:hover {
  background: var(--dorado-claro) !important;
  box-shadow: 0 4px 12px rgba(201,168,76,.4);
}

/* ── Reglamento en menú móvil ── */
.mobile-reglamento {
  display: block;
  color: var(--dorado-claro) !important;
  font-weight: 700;
  padding: 10px 20px;
  border-top: 1px solid rgba(201,168,76,.2);
  margin-top: 8px;
}

/* ── Próximamente en menú móvil ── */
.mobile-proximamente {
  display: block;
  color: rgba(200,216,240,.45);
  font-size: .8rem;
  font-style: italic;
  padding: 8px 20px 8px 28px;
  pointer-events: none;
  cursor: default;
}

/* ═══════════════════════════════════════════════════════
   ANIMACIONES GLOBALES — Expo Titikaka Minero 2026
   Sutiles, profesionales, sin saltos
   ═══════════════════════════════════════════════════════ */

/* ── 1. Respeto a usuarios que prefieren sin movimiento ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .reveal-left, .reveal-scale, .stagger-item {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ── 2. Estados iniciales — solo activos cuando JS carga ── */
.js-ready .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}
.js-ready .reveal-left {
  opacity: 0;
  transform: translateX(-24px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.js-ready .reveal-scale {
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
.js-ready .stagger-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── 3. Estado visible — cuando IntersectionObserver dispara ── */
.reveal.is-visible,
.reveal-left.is-visible,
.reveal-scale.is-visible,
.stagger-item.is-visible {
  opacity: 1;
  transform: none;
}

/* ── 4. Delays para stagger (elementos en cascada) ── */
.stagger-item:nth-child(1)  { transition-delay: 0.00s; }
.stagger-item:nth-child(2)  { transition-delay: 0.08s; }
.stagger-item:nth-child(3)  { transition-delay: 0.16s; }
.stagger-item:nth-child(4)  { transition-delay: 0.24s; }
.stagger-item:nth-child(5)  { transition-delay: 0.32s; }
.stagger-item:nth-child(6)  { transition-delay: 0.40s; }
.stagger-item:nth-child(7)  { transition-delay: 0.48s; }
.stagger-item:nth-child(8)  { transition-delay: 0.56s; }
.stagger-item:nth-child(9)  { transition-delay: 0.64s; }
.stagger-item:nth-child(10) { transition-delay: 0.72s; }

/* ── 5. Hero — animación de entrada al cargar ── */
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes heroLineExpand {
  from { transform: scaleX(0); opacity: 0; }
  to   { transform: scaleX(1); opacity: 1; }
}
@keyframes heroPulse {
  0%, 100% { opacity: .7; }
  50%       { opacity: 1;  }
}

/* Hero index */
.home-hero-inner { animation: heroFadeUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both; }
.home-hero-topline { transform-origin: left; animation: heroLineExpand 1s cubic-bezier(0.22, 1, 0.36, 1) 0.1s both; }

/* Heroes de subpáginas */
.mv-hero-inner,
.aut-hero-inner,
.obj-hero-inner,
.cnt-hero-inner,
.lgx-hero-inner,
.prx-hero-inner { animation: heroFadeUp 0.85s cubic-bezier(0.22, 1, 0.36, 1) 0.15s both; }

/* ── 6. Header scroll shadow ── */
.site-header {
  transition: box-shadow 0.3s ease, background 0.3s ease;
}
.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
}

/* ── 7. Hover refinado en cards ── */
.aut-card,
.mv-card,
.lgx-card,
.cnt-info-card,
.pillar-item,
.stand-cat {
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.3s cubic-bezier(0.22, 1, 0.36, 1),
              border-color 0.3s ease !important;
}
.aut-card:hover,
.mv-card:hover,
.lgx-card:hover,
.cnt-info-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}

/* ── 8. Línea divisora animada ── */
@keyframes dividerGrow {
  from { transform: scaleX(0); opacity: 0; }
  to   { transform: scaleX(1); opacity: 1; }
}
.js-ready .aut-divider,
.js-ready .mv-card-divider,
.js-ready .lgx-divider,
.js-ready .cnt-divider,
.js-ready .obj-esp-rule,
.js-ready .prx-divider {
  transform-origin: left;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              opacity 0.7s ease;
}
.js-ready .aut-divider.is-visible,
.js-ready .mv-card-divider.is-visible,
.js-ready .lgx-divider.is-visible,
.js-ready .cnt-divider.is-visible,
.js-ready .obj-esp-rule.is-visible,
.js-ready .prx-divider.is-visible {
  transform: scaleX(1);
  opacity: 1;
}

/* ── 9. Número contador — efecto de entrada ── */
@keyframes countUp {
  from { opacity: 0; transform: translateY(12px) scale(0.9); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.about-stat-num,
.obj-esp-num,
.prx-cd-num {
  display: inline-block;
}
.js-ready .about-stat-num,
.js-ready .obj-esp-num {
  opacity: 0;
}
.js-ready .about-stat-num.is-visible,
.js-ready .obj-esp-num.is-visible {
  animation: countUp 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* ═══════════════════════════════════════════════════════
   ANIMACIONES DE IMÁGENES
   ═══════════════════════════════════════════════════════ */

/* ── Hero principal (index) — fade-in al cargar ── */
@keyframes heroImgFade {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.home-hero-img img {
  animation: heroImgFade 1.1s cubic-bezier(0.22, 1, 0.36, 1) 0.05s both;
}

/* ── Heroes de subpáginas — fade-in ligeramente más rápido ── */
.mv-hero-bg img,
.aut-hero-bg img,
.obj-hero-bg img,
.cnt-hero-bg img,
.lgx-hero-bg img,
.prx-bg-img img {
  animation: heroImgFade 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.05s both;
}

/* ── Fotos de autoridades (gore/drem) — fade-in al entrar en viewport ── */
.js-ready .aut-foto-frame img {
  opacity: 0;
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.js-ready .aut-foto-frame img.is-visible,
.js-ready .aut-foto-frame img.loaded {
  opacity: 1;
}

/* ── Logos de organizaciones — fade-in en cascada ── */
.js-ready .orgs-logo-item img {
  opacity: 0;
  transition: opacity 0.5s ease;
}
.js-ready .orgs-logo-item.is-visible img {
  opacity: 1;
}

/* ── Cards de logos (lgx) — fade con la card ── */
.js-ready .lgx-card img {
  opacity: 0;
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.1s;
}
.js-ready .lgx-card.is-visible img {
  opacity: 1;
}

/* ── Respetar prefers-reduced-motion ── */
@media (prefers-reduced-motion: reduce) {
  .home-hero-img img,
  .mv-hero-bg img,
  .aut-hero-bg img,
  .obj-hero-bg img,
  .cnt-hero-bg img,
  .lgx-hero-bg img,
  .prx-bg-img img {
    animation: none;
    opacity: 1;
  }
  .js-ready .aut-foto-frame img,
  .js-ready .orgs-logo-item img,
  .js-ready .lgx-card img {
    opacity: 1;
    transition: none;
  }
}