/* ==========================================================================
   Header / navegación
   ========================================================================== */

.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: var(--z-header);
  padding-block: var(--space-5);
  transition: padding var(--dur-med) var(--ease-out), background var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out), border-color var(--dur-med) var(--ease-out);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  padding-block: var(--space-3);
  background: rgba(10, 23, 48, 0.86);
  backdrop-filter: blur(14px) saturate(140%);
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--line-light);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--white);
}

.brand-badge {
  height: 84px;
  width: auto;
  transition: height var(--dur-med) var(--ease-out);
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.35));
}

.site-header.is-scrolled .brand-badge {
  height: 62px;
}

.header-calea-chip {
  display: flex;
  align-items: center;
  flex: none;
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 0.5em 0.8em;
  box-shadow: var(--shadow-sm);
  transition: padding var(--dur-med) var(--ease-out);
}

.header-calea-chip img {
  height: 46px;
  width: auto;
  display: block;
  transition: height var(--dur-med) var(--ease-out);
}

.site-header.is-scrolled .header-calea-chip {
  padding: 0.35em 0.6em;
}

.site-header.is-scrolled .header-calea-chip img {
  height: 34px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}

.brand-text span {
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  color: var(--gold-400);
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-7);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav-list a {
  position: relative;
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--silver-300);
  padding-block: var(--space-2);
  transition: color var(--dur-fast) var(--ease-out);
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--gold-400);
  transition: right var(--dur-med) var(--ease-out);
}

.nav-list a:hover,
.nav-list a.is-active {
  color: var(--white);
}

.nav-list a:hover::after,
.nav-list a.is-active::after {
  right: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  z-index: 210;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  margin-inline: auto;
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    inset: 0;
    z-index: 190;
    background: var(--gradient-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out), visibility 0s linear var(--dur-med);
  }

  .main-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
  }

  .nav-list {
    flex-direction: column;
    gap: var(--space-6);
    text-align: center;
  }

  .nav-list a {
    font-size: var(--fs-md);
  }

  .nav-cta {
    display: none;
  }
}

@media (max-width: 420px) {
  .brand {
    gap: var(--space-2);
  }

  .brand-badge {
    height: 56px;
  }

  .site-header.is-scrolled .brand-badge {
    height: 48px;
  }

  .header-calea-chip {
    padding: 0.35em 0.55em;
  }

  .header-calea-chip img {
    height: 30px;
  }

  .site-header.is-scrolled .header-calea-chip img {
    height: 26px;
  }

  .brand-text {
    display: none;
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--space-11) + var(--space-6));
  padding-bottom: calc(var(--space-9) + var(--space-8));
  overflow: hidden;
  background: var(--gradient-navy);
  color: var(--white);
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-radiance);
  z-index: -2;
}

.hero-rays {
  position: absolute;
  inset: -20%;
  z-index: -1;
  background: repeating-conic-gradient(from 0deg at 50% 42%, rgba(217, 188, 111, 0.05) 0deg 3deg, transparent 3deg 12deg);
  opacity: 0.55;
  animation: rotateRays 140s linear infinite;
}

@keyframes rotateRays {
  to {
    transform: rotate(360deg);
  }
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(60% 60% at 50% 35%, #000 0%, transparent 75%);
}

@media (prefers-reduced-motion: reduce) {
  .hero-rays {
    animation: none;
  }
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-6);
}

/* ---- Cuenta regresiva: primera auditoría CALEA ---- */
.countdown {
  position: relative;
  width: 100%;
  max-width: 44rem;
  padding: var(--space-6) var(--space-7) var(--space-5);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.02) 100%);
  border: 1px solid rgba(217, 188, 111, 0.35);
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
  isolation: isolate;
}

.countdown::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--gradient-gold);
  border-radius: 0 0 2px 2px;
}

.countdown::after {
  content: "";
  position: absolute;
  inset: -40% -20% auto;
  height: 80%;
  background: radial-gradient(50% 50% at 50% 50%, rgba(217, 188, 111, 0.14) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.countdown-head {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.countdown-pulse {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold-400);
}

.countdown-pulse::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--gold-400);
  animation: countdownPulse 1.8s var(--ease-out) infinite;
}

@keyframes countdownPulse {
  from {
    transform: scale(1);
    opacity: 0.7;
  }
  to {
    transform: scale(3.2);
    opacity: 0;
  }
}

.countdown-kicker {
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--gold-300);
}

.countdown-title {
  margin-top: var(--space-2);
  font-size: var(--fs-lg);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  color: var(--white);
}

.countdown-title em {
  font-style: normal;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.countdown-units {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.countdown-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
  flex: 1 1 0;
  max-width: 8.5rem;
  padding: var(--space-4) var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  background: rgba(6, 13, 28, 0.55);
  border: 1px solid var(--line-light);
  box-shadow: inset 0 -12px 24px rgba(0, 0, 0, 0.25);
}

.countdown-unit--seconds {
  border-color: rgba(217, 188, 111, 0.45);
}

.countdown-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 1.4rem + 3vw, 3.4rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, var(--white) 0%, var(--gold-300) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.countdown-num.is-tick {
  animation: countdownTick var(--dur-med) var(--ease-out);
}

@keyframes countdownTick {
  from {
    transform: translateY(-30%);
    opacity: 0;
  }
  to {
    transform: none;
    opacity: 1;
  }
}

.countdown-label {
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--silver-400);
}

.countdown-sep {
  align-self: center;
  margin-top: calc(var(--space-3) * -1);
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 1rem + 1.6vw, 2.2rem);
  color: var(--gold-500);
  opacity: 0.7;
}

.countdown-progress {
  height: 4px;
  margin-top: var(--space-5);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.countdown-progress-fill {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--gradient-gold);
  box-shadow: 0 0 12px rgba(217, 188, 111, 0.6);
  transition: width var(--dur-slow) var(--ease-out);
}

.countdown-date {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  font-size: var(--fs-sm);
  letter-spacing: var(--ls-wide);
  color: var(--silver-300);
}

.countdown-date svg {
  width: 1.1em;
  height: 1.1em;
  color: var(--gold-400);
}

.countdown-done {
  margin-top: var(--space-4);
  font-family: var(--font-display);
  font-size: var(--fs-md);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--gold-300);
}

.countdown.is-done .countdown-units,
.countdown.is-done .countdown-progress,
.countdown.is-done .countdown-kicker {
  opacity: 0.45;
}

@media (max-width: 640px) {
  .countdown {
    padding: var(--space-5) var(--space-4) var(--space-4);
  }

  .countdown-units {
    gap: var(--space-1);
  }

  .countdown-unit {
    padding: var(--space-3) var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
  }

  .countdown-label {
    font-size: 0.62rem;
    letter-spacing: var(--ls-wide);
  }
}

@media (prefers-reduced-motion: reduce) {
  .countdown-pulse::after,
  .countdown-num.is-tick {
    animation: none;
  }
}

.hero-badge {
  width: clamp(210px, 24vw, 320px);
  height: auto;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.45));
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--gold-300);
  border: 1px solid var(--line-light);
  padding: 0.5em 1.2em;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
}

.hero-kicker .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold-400);
  box-shadow: 0 0 0 4px rgba(217, 188, 111, 0.2);
}

.hero-title {
  font-size: var(--fs-3xl);
  text-transform: uppercase;
  max-width: 18ch;
}

.hero-title em {
  font-style: normal;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-tagline {
  max-width: 42rem;
  font-size: var(--fs-md);
  color: var(--silver-300);
  line-height: var(--lh-relaxed);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

.hero-stats {
  display: grid;
  grid-auto-flow: column;
  gap: var(--space-9);
  margin-top: var(--space-9);
  padding-top: var(--space-7);
  border-top: 1px solid var(--line-light);
  width: 100%;
  max-width: 46rem;
  justify-content: center;
}

.stat-num {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  color: var(--white);
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.stat-num .suffix {
  font-size: 0.5em;
  color: var(--gold-400);
}

.stat-label {
  margin-top: var(--space-1);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--silver-400);
  text-align: center;
}

@media (max-width: 640px) {
  .hero-stats {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }

  .stat-num {
    font-size: var(--fs-lg);
  }
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: var(--space-6);
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--silver-400);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
}

.scroll-cue .line {
  width: 1px;
  height: 34px;
  background: linear-gradient(var(--gold-400), transparent);
  animation: scrollCue 2.2s ease-in-out infinite;
}

@keyframes scrollCue {
  0% {
    transform: scaleY(0);
    transform-origin: top;
    opacity: 1;
  }
  50% {
    transform: scaleY(1);
    transform-origin: top;
  }
  50.1% {
    transform-origin: bottom;
  }
  100% {
    transform: scaleY(0);
    transform-origin: bottom;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-cue .line {
    animation: none;
  }
}

@media (max-height: 760px) {
  .scroll-cue {
    display: none;
  }
}