/* =========================================================
   Sistema visual — oscuro, minimalista, con animación
   Tailwind (via CDN) cubre las utilidades de layout/espaciado.
   Aquí van los tokens de color, tipografía, y las animaciones
   que Tailwind no resuelve con una sola clase.
   ========================================================= */

:root {
  --bg: #050607;              /* fondo principal, casi negro */
  --bg-surface: #0F1524;      /* tarjetas, formularios */
  --bg-surface-2: #17203A;    /* hover / elementos elevados */
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text-primary: #EDEDEB;
  --text-secondary: #9aa4b2;
  --text-muted: #6b7280;

  --color-primary: #14213D;   /* azul marino de marca */
  --color-primary-dark: #0D1730;
  --color-primary-light: #35528C;
  --color-accent: #F4762A;    /* naranja logística — color de acción */
  --color-accent-dark: #D95F15;
  --color-accent-light: #F79A5E;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
}

::selection {
  background: var(--color-accent);
  color: #06090c;
}

/* ===================== FONDOS Y TEXTURA ===================== */

.bg-noise {
  background-image: radial-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 26px 26px;
}

.glow-orb {
  position: absolute;
  border-radius: 9999px;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
  animation: float 12s ease-in-out infinite;
}
.glow-orb.accent { background: radial-gradient(circle, #F4762A 0%, transparent 70%); }
.glow-orb.primary { background: radial-gradient(circle, #35528C 0%, transparent 70%); animation-delay: -6s; }

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-2%, 3%) scale(1.06); }
}

.hero-grid-line {
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 40%, transparent 100%);
}

/* Línea de "carretera" decorativa (separador de header) */
.road-divider {
  height: 3px;
  background: repeating-linear-gradient(
    90deg,
    var(--color-accent),
    var(--color-accent) 20px,
    transparent 20px,
    transparent 36px
  );
  opacity: 0.9;
}

/* ===================== NAVEGACIÓN ===================== */

#site-header {
  background: rgba(5, 6, 7, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
}
#site-header.nav-scrolled {
  background: rgba(5, 6, 7, 0.88);
  border-bottom-color: var(--border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}

/* ===================== TARJETAS Y SUPERFICIES ===================== */

.surface {
  background: var(--bg-surface);
  border: 1px solid var(--border);
}

.card-hover {
  transition: transform 0.25s cubic-bezier(.2,.8,.2,1), box-shadow 0.25s ease, border-color 0.25s ease;
}
.card-hover:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(244, 118, 42, 0.15);
}

.btn-primary {
  background: var(--color-accent);
  color: #100b06;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  box-shadow: 0 8px 24px rgba(244, 118, 42, 0.25);
}
.btn-primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(244, 118, 42, 0.4);
}

.btn-ghost {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-strong);
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.35);
  transform: translateY(-2px);
}

/* ===================== FORMULARIOS (tema oscuro) ===================== */

.input-dark {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.input-dark::placeholder { color: var(--text-muted); }
.input-dark:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--bg-surface-2);
  box-shadow: 0 0 0 3px rgba(244, 118, 42, 0.18);
}

/* ===================== ANIMACIONES DE SCROLL (reveal.js) ===================== */

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s cubic-bezier(.2,.65,.3,1), transform .7s cubic-bezier(.2,.65,.3,1);
  will-change: opacity, transform;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal="fade"] { transform: translateY(0) scale(0.98); }
[data-reveal="fade"].is-visible { transform: scale(1); }
[data-reveal="left"] { transform: translateX(-32px); }
[data-reveal="left"].is-visible { transform: translateX(0); }
[data-reveal="right"] { transform: translateX(32px); }
[data-reveal="right"].is-visible { transform: translateX(0); }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ===================== BADGES DE ESTADO ===================== */

.badge-pendiente { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-aprobado  { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-rechazado { background: rgba(239, 68, 68, 0.15);  color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }

/* ===================== VARIOS ===================== */

.spinner {
  border: 3px solid rgba(255, 255, 255, 0.12);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

.fade-in {
  animation: fadeIn 0.5s ease both;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.text-gradient {
  background: linear-gradient(90deg, #ffffff 0%, #cfd8e3 60%, #F4762A 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.marquee-track {
  animation: marquee 22s linear infinite;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.count-up { font-variant-numeric: tabular-nums; }

/* ===================== VAN ANIMADA CRUZANDO LA PANTALLA ===================== */

.road-strip {
  position: relative;
  height: 96px;
  overflow: hidden;
}
.road-strip::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 26px;
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.22) 0 24px,
    transparent 24px 48px
  );
}
.van-mover {
  position: absolute;
  bottom: 18px;
  left: -180px;
  animation: vanCross 15s linear infinite;
  will-change: transform;
}
@keyframes vanCross {
  to { transform: translateX(calc(100vw + 360px)); }
}
.van-body {
  animation: vanBounce 0.55s ease-in-out infinite alternate;
}
@keyframes vanBounce {
  from { transform: translateY(0); }
  to { transform: translateY(-1.6px); }
}
.van-wheel {
  transform-box: fill-box;
  transform-origin: center;
  animation: spin 0.45s linear infinite;
}
@media (prefers-reduced-motion: reduce) {
  .van-mover, .van-body, .van-wheel { animation: none; }
  .van-mover { left: 10%; }
}

/* ===================== SUBRAYADO ANIMADO DEL MENÚ ===================== */

.nav-links a {
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-links a:hover::after {
  transform: scaleX(1);
}