/* ============================================================
   SURVEC — Intro animada premium
   ============================================================ */

:root {
  --survec-bg: #080a0d;
  --survec-gold: #FDB813;
  --survec-gold-soft: rgba(253, 184, 19, 0.55);
  --survec-white: #f8f5ee;
  --survec-white-soft: rgba(248, 245, 238, 0.72);
}

/* Bloquear scroll durante intro */
body.is-intro-active {
  overflow: hidden !important;
}

/* ——— OVERLAY ——— */
#intro-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 45%, rgba(253, 184, 19, 0.10), transparent 38%),
    rgba(8, 10, 13, 0.88);
  opacity: 1;
  visibility: visible;
  transition:
    opacity 900ms cubic-bezier(0.16, 1, 0.3, 1),
    visibility 900ms cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: all;
}

#intro-overlay.is-exiting {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* ——— LOGO CONTAINER ——— */
.intro-logo {
  position: relative;
  width: min(52vw, 640px);
  max-width: calc(100vw - 56px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  transform: translateZ(0);
}

/* ——— SÍMBOLO (top + bottom juntos) ——— */
.intro-logo__symbol {
  position: relative;
  width: min(20vw, 200px);
  max-width: 36vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(6px, 1.2vw, 14px); /* gap visible entre top y bottom, igual que logo original */
  margin-bottom: clamp(18px, 3vw, 36px);
}

.intro-logo__piece {
  display: block;
  width: 100%;
  will-change: transform, opacity, filter;
  transform-origin: center center;
  opacity: 0;
}

.intro-logo__piece--top {
  width: 75%;
}

.intro-logo__piece--center {
  width: 100%;
  margin-top: -2px; /* unir visualmente las dos piezas */
}

.intro-logo__piece--wordmark {
  width: min(46vw, 500px);
  max-width: 100%;
  opacity: 0;
  will-change: transform, opacity, filter;
  transform-origin: center center;
}

/* ——— DESCRIPTOR ——— */
.intro-logo__descriptor {
  margin-top: clamp(18px, 3vw, 30px);
  opacity: 0;
  will-change: opacity, filter;
}

.intro-logo__descriptor img {
  width: min(46vw, 480px);
  max-width: 100%;
  filter: brightness(0) invert(1);
  opacity: 0.72;
}

/* ——— GLINT RADIAL (destellos) ——— */
.intro-glint {
  position: fixed;
  pointer-events: none;
  width: 180px;
  height: 180px;
  border-radius: 999px;
  background: radial-gradient(
    circle,
    rgba(253, 190, 40, 0.82),
    rgba(253, 190, 40, 0) 66%
  );
  mix-blend-mode: screen;
  opacity: 0;
  filter: blur(12px);
  transform: translate(-50%, -50%) scale(0.6);
  z-index: 9001;
}

/* ——— BOTÓN SALTAR ——— */
#intro-skip {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 9100;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(0, 0, 0, 0.28);
  color: rgba(255, 255, 255, 0.70);
  border-radius: 999px;
  padding: 0.65rem 1.1rem;
  font-family: inherit;
  font-size: 0.80rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  backdrop-filter: blur(12px);
  transition:
    background 180ms ease,
    color 180ms ease,
    border-color 180ms ease;
}

#intro-skip:hover {
  background: rgba(253, 184, 19, 0.14);
  color: #fff;
  border-color: rgba(253, 184, 19, 0.42);
}

/* ——— CONTENIDO DEL SITIO ——— */
#site-content {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 900ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 900ms cubic-bezier(0.16, 1, 0.3, 1);
}

#site-content.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ——— RESPONSIVE ——— */
@media (max-width: 720px) {
  .intro-logo {
    width: min(74vw, 400px);
  }

  .intro-logo__symbol {
    width: min(38vw, 160px);
  }

  .intro-logo__piece--wordmark {
    width: min(70vw, 380px);
  }

  .intro-logo__descriptor img {
    width: min(70vw, 360px);
  }

  #intro-skip {
    right: 14px;
    bottom: 14px;
    font-size: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  #intro-overlay,
  #site-content {
    transition-duration: 1ms !important;
  }
}