/* ============================================================
   SONŌRA — Luxury audio landing
   Paleta: noche cálida + champagne · Playfair Display + Inter
   ============================================================ */

:root {
  --bg:            #0C0A09;   /* negro cálido */
  --surface:       #16130F;   /* carbón */
  --gold:          #C9A86A;   /* champagne */
  --gold-light:    #E3CFA0;   /* champagne luz (texto fino) */
  --ivory:         #F4EFE7;   /* texto principal */
  --taupe:         #9C958A;   /* texto secundario */
  --hairline:      rgba(201,168,106,0.14);
  --hairline-soft: rgba(244,239,231,0.08);

  --ff-serif: "Playfair Display", Georgia, serif;
  --ff-sans:  "Inter", system-ui, sans-serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --maxw: 1440px;
  --gutter: clamp(1.25rem, 5vw, 5rem);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--ivory);
  font-family: var(--ff-sans);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Lenis */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--gold); color: var(--bg); }

/* ---------- Tipografía base ---------- */
.serif { font-family: var(--ff-serif); }
.eyebrow {
  font-size: clamp(0.7rem, 0.9vw, 0.8rem);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold-light);
  font-weight: 500;
}
.lead { color: var(--taupe); }

/* ---------- Layout helpers ---------- */
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
section { position: relative; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: clamp(1rem, 2.2vw, 1.6rem) var(--gutter);
  mix-blend-mode: normal;
  transition: background .5s var(--ease), backdrop-filter .5s var(--ease);
}
.nav.scrolled {
  background: rgba(12,10,9,0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hairline);
}
.nav__logo {
  font-family: var(--ff-serif);
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
  letter-spacing: 0.16em;
  color: var(--ivory);
  display: flex; align-items: center; gap: .55rem;
}
.nav__logo span { color: var(--gold); }
.nav__links { display: flex; align-items: center; gap: clamp(1.2rem, 2.5vw, 2.4rem); }
.nav__links a {
  font-size: 0.74rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--taupe); transition: color .35s var(--ease); position: relative;
}
.nav__links a:hover { color: var(--ivory); }
.nav__cart {
  width: 40px; height: 40px; border: 1px solid var(--hairline);
  border-radius: 50%; display: grid; place-items: center; color: var(--gold-light);
  transition: border-color .35s var(--ease);
}
.nav__cart:hover { border-color: var(--gold); }
.nav__burger { display: none; }

@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__burger {
    display: grid; place-items: center; width: 44px; height: 44px;
    background: none; border: 1px solid var(--hairline); border-radius: 50%;
    color: var(--ivory); cursor: pointer;
  }
}

/* ============================================================
   HERO — explosión al scroll (pinned)
   ============================================================ */
.hero { height: 100vh; }
.hero__pin {
  position: relative; height: 100vh; width: 100%;
  display: grid; align-items: center;
  grid-template-columns: 1fr 1fr;
}
/* Canvas de la explosión: ocupa el lado derecho en laptop */
.seq {
  position: relative;
  width: 100%; height: 100%;
  display: grid; place-items: center;
  grid-column: 2;
}
.seq canvas {
  width: 100%; height: 100%;
  object-fit: contain;
  /* sin drop-shadow: recalcularlo en un canvas grande cada frame traba el scrub; el halo (::before) da la profundidad */
}
/* Laptop: capar el tamaño del audífono del hero para que respire (no llene la columna) */
@media (min-width: 861px) {
  .seq canvas { width: min(48vw, 82vh); height: min(48vw, 82vh); }
}
/* Halo cálido detrás del producto */
.seq::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(closest-side, rgba(201,168,106,0.10), transparent 72%);
  transform: translateY(2%);
}

.hero__text {
  grid-column: 1; grid-row: 1;
  padding-left: var(--gutter); padding-right: 2rem;
  max-width: 40rem; z-index: 2;
}
.hero__eyebrow { margin-bottom: 1.6rem; opacity: 0; }
.hero__title {
  font-family: var(--ff-serif);
  font-weight: 500;
  font-size: clamp(2.8rem, 6.4vw, 5.6rem);
  line-height: 0.98;
  letter-spacing: -0.01em;
  color: var(--gold);
  margin-bottom: 1.8rem;
  opacity: 0; /* oculto hasta que el JS prepara el reveal — evita flash antes de cargar la fuente */
}
.hero__title .line { display: block; }
.hero__title .char { display: inline-block; will-change: transform, opacity, filter; }
.hero__sub {
  color: var(--ivory); font-size: clamp(1rem, 1.3vw, 1.15rem);
  max-width: 30rem; margin-bottom: 2.4rem; opacity: 0;
}
.hero__sub b { color: var(--gold-light); font-weight: 500; }

/* Micro-specs que aparecen mientras se desarma */
.hero__specs {
  position: absolute; right: var(--gutter); bottom: clamp(2rem, 6vh, 4rem);
  display: flex; flex-direction: column; gap: 1rem; text-align: right; z-index: 3;
}
.hero__spec { opacity: 0; transform: translateY(12px); }
.hero__spec .n { font-family: var(--ff-serif); font-size: 1.5rem; color: var(--gold); }
.hero__spec .l { font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--taupe); }

/* CTA discreto */
.btn {
  display: inline-flex; align-items: center; gap: .7rem;
  padding: 1rem 1.8rem; border: 1px solid var(--gold);
  color: var(--gold-light); font-size: 0.74rem; letter-spacing: 0.22em;
  text-transform: uppercase; cursor: pointer; background: none;
  transition: background .45s var(--ease), color .45s var(--ease);
  position: relative; overflow: hidden;
}
.btn::after {
  content: ""; position: absolute; inset: 0; background: var(--gold);
  transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease); z-index: -1;
}
.btn:hover { color: var(--bg); }
.btn:hover::after { transform: scaleX(1); }
.btn .arrow { transition: transform .4s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.hero__cta { opacity: 0; }

.scroll-hint {
  position: absolute; left: 50%; bottom: 1.8rem; transform: translateX(-50%);
  font-size: 0.65rem; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--taupe); display: flex; flex-direction: column; align-items: center; gap: .6rem;
}
.scroll-hint .bar { width: 1px; height: 38px; background: linear-gradient(var(--gold), transparent); animation: drop 2s var(--ease) infinite; }
@keyframes drop { 0% { transform: scaleY(0); transform-origin: top; } 45% { transform: scaleY(1); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ============================================================
   SPECS / FEATURES — label + statement
   ============================================================ */
.section-pad { padding-block: clamp(6rem, 14vh, 11rem); }

.feat__head { max-width: 46rem; margin-bottom: clamp(3rem, 7vh, 5rem); }
.feat__head .eyebrow { margin-bottom: 1.4rem; display: block; }
.feat__head h2 {
  font-family: var(--ff-serif); font-weight: 500;
  font-size: clamp(2rem, 4.4vw, 3.6rem); line-height: 1.04; color: var(--ivory);
}
.feat__head h2 em { color: var(--gold); font-style: italic; }

.feat__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--hairline); border-block: 1px solid var(--hairline); }
.feat__item { background: var(--bg); padding: clamp(1.8rem, 3vw, 2.8rem) clamp(1.5rem,2.5vw,2.2rem); }
.feat__item .n { font-size: 0.72rem; letter-spacing: 0.24em; color: var(--gold); display: block; margin-bottom: 1.4rem; }
.feat__item h3 { font-family: var(--ff-serif); font-size: clamp(1.3rem,2vw,1.7rem); font-weight: 500; margin-bottom: .8rem; color: var(--ivory); }
.feat__item p { color: var(--taupe); font-size: 0.95rem; }

/* ============================================================
   ROTACIÓN 360 (pinned)
   ============================================================ */
.rot { height: 100vh; }
.rot__pin { position: relative; height: 100vh; display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 100%; align-items: center; }
.rot__seq { position: relative; grid-column: 2; grid-row: 1; height: 100%; display: grid; place-items: center; }
.rot__seq canvas { width: min(46vw, 76vh); height: min(46vw, 76vh); object-fit: contain; filter: drop-shadow(0 30px 70px rgba(0,0,0,.6)); }
.rot__seq::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(closest-side, rgba(201,168,106,0.09), transparent 70%); }
.rot__caption { position: relative; z-index: 2; grid-column: 1; grid-row: 1; align-self: center; text-align: left; padding-left: var(--gutter); padding-right: 2rem; pointer-events: none; }
.rot__caption .eyebrow { margin-bottom: 1.2rem; display: block; }
.rot__caption h2 { font-family: var(--ff-serif); font-weight: 500; font-size: clamp(2.2rem,4.8vw,4rem); color: var(--ivory); line-height: 1.02; }
.rot__caption h2 em { color: var(--gold); font-style: italic; }
/* hotspots */
.hotspot { position: absolute; z-index: 3; opacity: 0; }
.hotspot .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 6px rgba(201,168,106,.15); }
.hotspot .tip { position: absolute; left: 18px; top: -4px; white-space: nowrap; font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gold-light); }

/* ============================================================
   GALERÍA — scroll horizontal (desktop) / swipe (mobile)
   ============================================================ */
.gal__head { margin-bottom: clamp(2rem,5vh,3.5rem); }
.gal__head .eyebrow { display: block; margin-bottom: 1rem; }
.gal__head h2 { font-family: var(--ff-serif); font-weight: 500; font-size: clamp(1.8rem,3.6vw,3rem); color: var(--ivory); }
.gal__track { display: flex; gap: clamp(1.5rem, 3vw, 3rem); will-change: transform; align-items: center; }
/* Panel de intro (primer item del carrusel) */
.gal__intro { flex: 0 0 auto; display: flex; flex-direction: column; justify-content: center; padding-inline: var(--gutter) clamp(1rem,3vw,3rem); width: clamp(280px, 40vw, 520px); }
.gal__intro .eyebrow { display: block; margin-bottom: 1.4rem; }
.gal__intro h2 { font-family: var(--ff-serif); font-weight: 500; font-size: clamp(2.2rem,4.4vw,3.8rem); line-height: 1.04; color: var(--ivory); margin-bottom: 1.4rem; }
.gal__intro .lead { max-width: 26rem; font-size: .95rem; }
.gal__card { position: relative; flex: 0 0 auto; width: clamp(260px, 78vw, 420px); aspect-ratio: 3/4; background: var(--surface); border: 1px solid var(--hairline); overflow: hidden; }
.gal__card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease); will-change: transform; }
.gal__card::after { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(to top, rgba(12,10,9,.85) 0%, rgba(12,10,9,.25) 38%, transparent 60%); transition: opacity .5s var(--ease); }
.gal__card .meta { position: absolute; left: 1.5rem; bottom: 1.4rem; z-index: 2; transition: transform .6s var(--ease); }
.gal__card .meta .t { font-family: var(--ff-serif); font-size: clamp(1.2rem,1.6vw,1.5rem); color: var(--ivory); }
.gal__card .meta .s { font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--gold-light); margin-top: .15rem; }
/* hover-reveal (solo donde hay puntero fino) */
@media (hover: hover) {
  .gal__card:hover img { transform: scale(1.06); }
  .gal__card:hover .meta { transform: translateY(-4px); }
}

/* Desktop: galería a pantalla completa, título arriba (bajo el nav) y tarjetas centradas */
@media (min-width: 861px) {
  #gallery { position: relative; min-height: 100vh; padding-block: 0; }
  .gal { width: 100%; height: 100vh; display: flex; align-items: center; }
  .gal__card { width: auto; height: min(58vh, 520px); }
  .gal__intro { height: min(58vh, 520px); width: clamp(340px, 34vw, 520px); }
}

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee { border-block: 1px solid var(--hairline); padding-block: clamp(1.4rem, 3vh, 2.2rem); overflow: hidden; }
.marquee__row { display: flex; gap: 3rem; white-space: nowrap; width: max-content; will-change: transform; }
.marquee__row span { font-family: var(--ff-serif); font-style: italic; font-size: clamp(1.8rem,4vw,3.4rem); color: var(--ivory); display: inline-flex; align-items: center; gap: 3rem; }
.marquee__row span::after { content: "—"; color: var(--gold); }

/* ============================================================
   CTA FINAL + FOOTER
   ============================================================ */
.cta { text-align: center; }
.cta .eyebrow { display: block; margin-bottom: 1.6rem; }
.cta h2 { font-family: var(--ff-serif); font-weight: 500; font-size: clamp(2.4rem,6vw,5rem); line-height: 1.02; margin-bottom: 2.4rem; }
.cta h2 em { color: var(--gold); font-style: italic; }

.footer { border-top: 1px solid var(--hairline); padding-block: 3rem; }
.footer__grid { display: flex; justify-content: space-between; align-items: center; gap: 2rem; flex-wrap: wrap; }
.footer__logo { font-family: var(--ff-serif); letter-spacing: .16em; font-size: 1.2rem; }
.footer__logo span { color: var(--gold); }
.footer small { color: var(--taupe); font-size: .78rem; letter-spacing: .04em; }
.footer__links { display: flex; gap: 1.6rem; }
.footer__links a { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--taupe); transition: color .3s var(--ease); }
.footer__links a:hover { color: var(--gold-light); }

/* Reveal util */
.reveal { opacity: 0; transform: translateY(28px); }

/* ============================================================
   RESPONSIVE — móvil: producto arriba, texto abajo
   ============================================================ */
@media (max-width: 860px) {
  .hero { height: auto; }
  /* Hero móvil = producto protagonista (como la rotación): audífono grande arriba, texto compacto abajo */
  .hero__pin { grid-template-columns: 1fr; height: 100vh; grid-template-rows: minmax(56vh, 1fr) auto; align-items: stretch; }
  .seq { grid-column: 1; grid-row: 1; height: 100%; }
  /* Móvil: canvas CONTENIDO (como la rotación) = buffer chico = scrub fluido, sin trabarse */
  .seq canvas { width: min(86vw, 50vh); height: min(86vw, 50vh); filter: drop-shadow(0 22px 54px rgba(0,0,0,.6)); }
  .hero__text {
    grid-column: 1; grid-row: 2; padding: 0 var(--gutter) clamp(1.6rem, 5vh, 2.6rem);
    text-align: left; max-width: none; align-self: end;
  }
  .hero__eyebrow { margin-bottom: 1rem; }
  .hero__title { font-size: clamp(2rem, 9vw, 2.8rem); margin-bottom: 1.4rem; }
  .hero__sub { display: none; } /* móvil: texto mínimo para que luzca el producto */
  .hero__specs { display: none; } /* en móvil no saturamos: specs van en su sección */
  .scroll-hint { display: none; }

  .feat__grid { grid-template-columns: 1fr; }
  .feat__item { border-bottom: 1px solid var(--hairline); }

  .rot__pin { grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
  .rot__seq { grid-column: 1; grid-row: 1; }
  .rot__seq canvas { width: 78vw; height: 78vw; }
  .rot__caption { grid-column: 1; grid-row: 2; padding: 0 var(--gutter) clamp(2rem,7vh,3.5rem); align-self: end; }
  .rot__caption h2 { font-size: clamp(2rem, 11vw, 3.2rem); }
  .hotspot { display: none; }

  .gal__intro { width: 80vw; padding-right: 1rem; }
  .gal__intro h2 { font-size: clamp(2rem, 8vw, 2.6rem); }
}

@media (max-width: 480px) {
  .hero__sub { font-size: 0.95rem; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .scroll-hint .bar { animation: none; }
}