/* ═══════════════════════════════════════════════════
   HERO — Sección principal + Preloader + Floating btns
═══════════════════════════════════════════════════ */

/* ════════════════════════
   PRELOADER
════════════════════════ */
#preloader {
  position: fixed;
  inset: 0;
  z-index: var(--z-pre);
  background: var(--c-black);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
  transition: opacity .7s ease, visibility .7s ease;
}
#preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.pre-logo {
  height: 90px;
  width: auto;
  filter: brightness(0) invert(1);
  animation: preKanji 1.5s ease-in-out infinite;
}
.pre-bar {
  width: 220px; height: 2px;
  background: rgba(255, 255, 255, .08);
  border-radius: 99px;
  overflow: hidden;
}
.pre-bar-fill {
  height: 100%; width: 0;
  background: linear-gradient(90deg, var(--c-red), var(--c-gold));
  border-radius: 99px;
  animation: loadBar 1.9s cubic-bezier(.4, 0, .2, 1) forwards;
}
.pre-label {
  font-size: .7rem;
  color: var(--c-muted);
  letter-spacing: .2em;
  text-transform: uppercase;
}

/* ════════════════════════
   FLOATING BUTTONS
════════════════════════ */
.float-group {
  position: fixed;
  bottom: 1.75rem; right: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  z-index: var(--z-float);
  align-items: flex-end;
}
.float-btn {
  width: 54px; height: 54px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: grid; place-items: center;
  font-size: 1.3rem;
  transition: all var(--tr);
  box-shadow: var(--shadow);
}
/* WhatsApp */
.wa-btn {
  background: var(--c-green);
  color: #fff;
  animation: floatUp 3s ease-in-out infinite;
}
.wa-btn:hover {
  transform: scale(1.12) !important;
  box-shadow: 0 8px 32px rgba(37, 211, 102, .5);
  animation-play-state: paused;
}
.wa-btn svg { width: 26px; height: 26px; }

/* Tooltip WhatsApp */
.wa-btn { position: relative; }
.wa-btn::before {
  content: 'Contactar por WhatsApp';
  position: absolute;
  right: calc(100% + .75rem); top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  background: rgba(6, 7, 10, .92);
  color: var(--c-white);
  font-size: .74rem;
  font-family: var(--f-sans);
  font-weight: 500;
  padding: .45rem .9rem;
  border-radius: var(--r);
  border: 1px solid var(--c-border);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--tr);
}
.wa-btn:hover::before { opacity: 1; }

/* Back to top */
.top-btn {
  background: var(--c-card);
  color: var(--c-muted2);
  border: 1px solid var(--c-border);
  font-size: .95rem;
  opacity: 0;
  pointer-events: none;
  transition: all var(--tr);
}
.top-btn.visible { opacity: 1; pointer-events: auto; }
.top-btn:hover {
  color: var(--c-white);
  border-color: var(--c-border-h);
  background: var(--c-card2);
  transform: translateY(-2px);
}

/* ════════════════════════
   HERO SECTION
════════════════════════ */
#inicio {
  min-height: 100svh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Fondo: video o imagen */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-video {
  width: 100%; height: 100%;
  object-fit: cover;
  display: none; /* se muestra con JS si el archivo existe */
}
.hero-video.loaded { display: block; }
.hero-img-fallback {
  position: absolute;
  inset: 0;
  background:
    url('../assets/images/hero/hero.jpg') center / cover no-repeat,
    url('../assets/images/hero/slide4.jpg') center / cover no-repeat;
  transition: opacity var(--tr-slow);
}
.hero-img-fallback.hidden { opacity: 0; }

/* Overlay gradiente */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    108deg,
    rgba(6, 7, 10, .96) 0%,
    rgba(6, 7, 10, .82) 42%,
    rgba(6, 7, 10, .35) 100%
  );
}
/* Textura sutil */
.hero-noise {
  position: absolute; inset: 0;
  opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

/* Kanji decorativo fondo derecho */
.hero-kanji-bg {
  position: absolute;
  right: -2rem; top: 50%;
  transform: translateY(-50%);
  font-family: var(--f-serif);
  font-size: clamp(16rem, 28vw, 26rem);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(201, 168, 76, .08);
  line-height: 1;
  user-select: none;
  pointer-events: none;
  z-index: 1;
}

/* Contenido hero */
.hero-content {
  position: relative;
  z-index: 2;
  padding-block: 9rem 5rem;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  background: rgba(192, 57, 43, .15);
  border: 1px solid rgba(192, 57, 43, .4);
  color: #e87060;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: .45rem 1.1rem;
  border-radius: 99px;
  margin-bottom: 1.75rem;
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--c-red);
  animation: blink 2s infinite;
  flex-shrink: 0;
}

.hero-h1 {
  font-family: var(--f-serif);
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 300;
  line-height: 1.04;
  margin-bottom: 1.5rem;
}
.hero-h1 em { font-style: normal; color: var(--c-gold); }

.hero-sub {
  font-size: 1.1rem;
  color: rgba(237, 232, 223, .7);
  max-width: 46ch;
  line-height: 1.85;
  margin-bottom: 2.5rem;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

/* CTA badge "sin costo" */
.free-hint {
  font-size: .74rem;
  color: var(--c-muted2);
  display: flex; align-items: center; gap: .35rem;
  margin-top: .5rem;
}
.free-hint::before { content: '✓'; color: var(--c-green); font-weight: 700; }

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column;
  align-items: center; gap: .5rem;
  color: var(--c-muted);
  font-size: .66rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  z-index: 2;
}
.scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, var(--c-gold), transparent);
  animation: dropLine 2.4s ease-in-out infinite;
}