/* ═══════════════════════════════════════════════════════════════
   SOLARO — Hoja de estilos
   Paleta, tipografía y componentes del catálogo
   ═══════════════════════════════════════════════════════════════ */

:root {
  --ink:        #0b0c0d;
  --surface:    #131416;
  --surface-2:  #1b1d20;
  --line:       rgba(255, 255, 255, 0.09);
  --line-soft:  rgba(255, 255, 255, 0.05);
  --text:       #f2f0ed;
  --muted:      rgba(242, 240, 237, 0.56);
  --faint:      rgba(242, 240, 237, 0.32);
  --accent:     #d8a353;
  --accent-dim: rgba(216, 163, 83, 0.14);
  --wa:         #25d366;

  --font-display: 'Bebas Neue', 'Noto Sans JP', system-ui, sans-serif;
  --font-body:    'DM Sans', 'Noto Sans JP', system-ui, -apple-system, sans-serif;
  --font-mono:    'Space Mono', ui-monospace, monospace;

  --max:   1240px;
  --pad:   clamp(1.25rem, 5vw, 4rem);
  --r:     14px;
  --r-sm:  9px;
  --ease:  cubic-bezier(0.22, 0.61, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 88px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.no-scroll { overflow: hidden; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding-inline: var(--pad); }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--accent); color: var(--ink); padding: 0.75rem 1.25rem; font-weight: 700;
}
.skip-link:focus { left: 0; }

/* ─── Tipografía utilitaria ───────────────────────────────── */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  line-height: 0.98;
  letter-spacing: 0.01em;
  margin: 0 0 0.9rem;
  font-weight: 400;
}

.section-lead {
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  color: var(--muted);
  max-width: 58ch;
  margin: 0;
}

.section { padding-block: clamp(4.5rem, 9vw, 8rem); }
.section + .section { border-top: 1px solid var(--line-soft); }
.section-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }

/* ─── Botones ─────────────────────────────────────────────── */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
  padding: 0.95rem 1.7rem;
  border-radius: 100px;
  font-weight: 500;
  font-size: 0.94rem;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary  { background: var(--accent); color: #1a1205; font-weight: 700; }
.btn-primary:hover { background: #e8b568; }
.btn-ghost    { border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: rgba(255,255,255,0.28); background: rgba(255,255,255,0.04); }
.btn-wa       { background: var(--wa); color: #06301a; font-weight: 700; }
.btn-wa:hover { background: #3ee07a; }
.btn-sm       { padding: 0.6rem 1.15rem; font-size: 0.85rem; }

/* ═══ NAVEGACIÓN ═══════════════════════════════════════════ */

.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 90;
  display: flex; align-items: center; gap: 1.5rem;
  padding: 0.85rem var(--pad);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(11, 12, 13, 0.82);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom-color: var(--line-soft);
}

.nav-mark {
  font-family: var(--font-display);
  font-size: 1.55rem; letter-spacing: 0.14em; line-height: 1;
  margin-right: auto;
}

.nav-links { display: flex; gap: 1.9rem; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  font-size: 0.87rem; color: var(--muted); position: relative; padding-block: 4px;
  transition: color 0.2s;
}
.nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--accent); transition: width 0.25s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.lang-toggle { display: flex; align-items: center; gap: 0.35rem; }
.lang-btn {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.08em;
  color: var(--faint); padding: 0.25rem 0.35rem; transition: color 0.2s;
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active { color: var(--accent); }
.lang-sep { color: rgba(255,255,255,0.12); font-size: 0.7rem; }

.nav-toggle { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; }
.nav-toggle span {
  display: block; width: 20px; height: 1.5px; background: var(--text); position: relative;
  transition: background 0.2s;
}
.nav-toggle span::before, .nav-toggle span::after {
  content: ''; position: absolute; left: 0; width: 20px; height: 1.5px; background: var(--text);
  transition: transform 0.25s var(--ease);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after  { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { transform: translateY(-6px) rotate(-45deg); }

/* ═══ HERO ════════════════════════════════════════════════ */

.hero {
  position: relative;
  min-height: min(92vh, 860px);
  display: flex; align-items: flex-end;
  padding-bottom: clamp(3rem, 7vw, 6rem);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: center 42%; }
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(to top, var(--ink) 2%, rgba(11,12,13,0.72) 34%, rgba(11,12,13,0.28) 68%, rgba(11,12,13,0.55) 100%);
}
.hero-inner { position: relative; z-index: 1; width: 100%; }

.hero-wordmark {
  font-family: var(--font-display);
  font-size: clamp(4rem, 15vw, 11rem);
  line-height: 0.85; letter-spacing: 0.03em;
  margin: 0 0 0.5rem; font-weight: 400;
}
.hero-tagline {
  font-size: clamp(1.05rem, 2.2vw, 1.4rem);
  color: rgba(242,240,237,0.82);
  max-width: 46ch; margin: 0 0 2.2rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; }

/* ═══ BARRA DE MÉTRICAS ═══════════════════════════════════ */

.metrics {
  border-block: 1px solid var(--line-soft);
  background: var(--surface);
}
.metrics-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.metric {
  padding: clamp(1.8rem, 3.5vw, 2.8rem) 1.5rem;
  text-align: center;
  border-left: 1px solid var(--line-soft);
}
.metric:first-child { border-left: none; }
.metric-val {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1; color: var(--accent);
}
.metric-label {
  font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--faint); margin-top: 0.6rem;
}

/* ═══ CATÁLOGO ════════════════════════════════════════════ */

.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2.2rem; }
.filter {
  padding: 0.5rem 1.05rem; border-radius: 100px; border: 1px solid var(--line);
  font-size: 0.82rem; color: var(--muted);
  transition: all 0.2s var(--ease);
}
.filter:hover { border-color: rgba(255,255,255,0.24); color: var(--text); }
.filter.active { background: var(--text); color: var(--ink); border-color: var(--text); font-weight: 500; }

.catalog {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: clamp(1.1rem, 2vw, 1.6rem);
}

.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  overflow: hidden;
  display: flex; flex-direction: column;
  cursor: pointer;
  text-align: left;
  transition: transform 0.35s var(--ease), border-color 0.3s, box-shadow 0.35s var(--ease);
}
.card:hover {
  transform: translateY(-5px);
  border-color: rgba(255,255,255,0.16);
  box-shadow: 0 22px 50px -22px rgba(0,0,0,0.85);
}
.card.is-hidden { display: none; }

.card-media { position: relative; aspect-ratio: 1 / 1; overflow: hidden; background: var(--surface-2); }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.card:hover .card-media img { transform: scale(1.045); }

.card-badge {
  /* Abajo, para no tapar las etiquetas de VLT que traen las fotos arriba */
  position: absolute; bottom: 0.9rem; left: 0.9rem; z-index: 2;
  font-family: var(--font-mono); font-size: 0.58rem; letter-spacing: 0.14em;
  padding: 0.32rem 0.62rem; border-radius: 4px;
  background: var(--accent); color: #1a1205; font-weight: 700;
}

.card-body { padding: 1.4rem 1.4rem 1.5rem; display: flex; flex-direction: column; flex: 1; gap: 0.7rem; }
.card-name {
  font-family: var(--font-display); font-size: 1.62rem; line-height: 1;
  letter-spacing: 0.02em; margin: 0;
}
.card-claim { font-size: 0.93rem; color: var(--muted); margin: 0; flex: 1; }

.tono-row { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.tono {
  font-family: var(--font-mono); font-size: 0.63rem; letter-spacing: 0.07em;
  padding: 0.28rem 0.55rem; border-radius: 4px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--line-soft); color: var(--muted);
}

.card-cta {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.85rem; color: var(--accent); margin-top: 0.3rem; font-weight: 500;
}
.card-cta svg { transition: transform 0.25s var(--ease); }
.card:hover .card-cta svg { transform: translateX(4px); }

/* ═══ MODAL FICHA TÉCNICA ═════════════════════════════════ */

.modal {
  position: fixed; inset: 0; z-index: 120;
  display: flex; align-items: center; justify-content: center;
  padding: clamp(0.75rem, 3vw, 2.5rem);
  opacity: 0; visibility: hidden;
  transition: opacity 0.3s var(--ease), visibility 0.3s;
}
.modal.open { opacity: 1; visibility: visible; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(5,6,7,0.86); backdrop-filter: blur(8px); }

.modal-panel {
  position: relative;
  width: 100%; max-width: 1000px; max-height: 92vh;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow-y: auto; overscroll-behavior: contain;
  transform: translateY(18px) scale(0.985);
  transition: transform 0.35s var(--ease);
}
.modal.open .modal-panel { transform: none; }

.modal-close {
  position: absolute; top: 0.9rem; right: 0.9rem; z-index: 5;
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(11,12,13,0.72); border: 1px solid var(--line);
  backdrop-filter: blur(8px);
  transition: background 0.2s, transform 0.2s;
}
.modal-close:hover { background: rgba(11,12,13,0.95); transform: rotate(90deg); }

.modal-hero { aspect-ratio: 3 / 2; overflow: hidden; background: var(--ink); }
.modal-hero img { width: 100%; height: 100%; object-fit: contain; }

.modal-body { padding: clamp(1.5rem, 4vw, 2.6rem); }
.modal-name {
  font-family: var(--font-display); font-size: clamp(2rem, 4.5vw, 2.9rem);
  line-height: 1; margin: 0 0 0.5rem; letter-spacing: 0.02em;
}
.modal-claim { font-size: 1.06rem; color: var(--accent); margin: 0 0 1.4rem; }
.modal-desc { color: var(--muted); max-width: 68ch; margin: 0 0 2rem; }

.modal-cols { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(1.5rem, 3.5vw, 3rem); }

.block-label {
  font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--faint);
  padding-bottom: 0.7rem; margin-bottom: 1rem; border-bottom: 1px solid var(--line-soft);
}

.spec-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.spec-table th, .spec-table td { padding: 0.72rem 0; text-align: left; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.spec-table th { color: var(--muted); font-weight: 400; }
.spec-table td { font-family: var(--font-mono); font-size: 0.85rem; text-align: right; }
.spec-pending { color: var(--faint); font-style: italic; font-family: var(--font-body); }

.benefit-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.72rem; }
.benefit-list li { display: flex; gap: 0.65rem; align-items: flex-start; font-size: 0.92rem; color: var(--muted); }
.benefit-list li::before { content: ''; flex: none; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); margin-top: 0.62em; }

.tono-scale { display: grid; gap: 0.5rem; margin-top: 1.6rem; }
.tono-scale-row { display: flex; align-items: center; gap: 0.85rem; }
.tono-swatch { flex: none; width: 46px; height: 30px; border-radius: 5px; border: 1px solid var(--line); }
.tono-scale-name { font-family: var(--font-mono); font-size: 0.78rem; }
.tono-scale-vlt { margin-left: auto; font-family: var(--font-mono); font-size: 0.72rem; color: var(--faint); }

.modal-note {
  margin-top: 1.8rem; padding: 0.95rem 1.15rem;
  background: var(--accent-dim); border-left: 2px solid var(--accent); border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 0.87rem; color: rgba(242,240,237,0.78);
}
.modal-actions { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 0.8rem; }

/* ═══ TABLA COMPARATIVA ═══════════════════════════════════ */

.compare-scroll { overflow-x: auto; border: 1px solid var(--line-soft); border-radius: var(--r); }
.compare {
  width: 100%; min-width: 720px; border-collapse: collapse; font-size: 0.88rem;
}
.compare th, .compare td { padding: 1rem 1.15rem; text-align: left; border-bottom: 1px solid var(--line-soft); }
.compare thead th {
  background: var(--surface-2);
  font-family: var(--font-display); font-size: 1.12rem; font-weight: 400; letter-spacing: 0.03em;
  white-space: nowrap;
}
.compare thead th:first-child { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); }
.compare tbody th { font-weight: 400; color: var(--muted); white-space: nowrap; }
.compare td { font-family: var(--font-mono); font-size: 0.82rem; }
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: none; }
.compare tbody tr:hover { background: rgba(255,255,255,0.02); }

/* ═══ APLICACIONES ════════════════════════════════════════ */

.apps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.1rem; }
.app-card {
  padding: 1.7rem 1.6rem 1.8rem;
  border: 1px solid var(--line-soft); border-radius: var(--r);
  background: var(--surface);
  transition: border-color 0.25s, background 0.25s;
}
.app-card:hover { border-color: rgba(255,255,255,0.15); background: var(--surface-2); }
.app-num { font-family: var(--font-mono); font-size: 0.65rem; color: var(--accent); letter-spacing: 0.14em; }
.app-title { font-family: var(--font-display); font-size: 1.5rem; line-height: 1.05; margin: 0.7rem 0 0.6rem; letter-spacing: 0.02em; }
.app-desc { font-size: 0.9rem; color: var(--muted); margin: 0 0 1.1rem; }
.app-rec { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.app-rec-item {
  font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.06em;
  padding: 0.26rem 0.55rem; border-radius: 4px;
  background: var(--accent-dim); color: var(--accent);
}

/* ═══ POR QUÉ SOLARO ══════════════════════════════════════ */

.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: clamp(1.5rem, 3vw, 2.6rem); }
.why-item { border-top: 1px solid var(--line); padding-top: 1.4rem; }
.why-title { font-size: 1.05rem; font-weight: 500; margin: 0 0 0.55rem; }
.why-text { font-size: 0.92rem; color: var(--muted); margin: 0; }

/* ═══ DISTRIBUIDORES ══════════════════════════════════════ */

.dist-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: var(--r); overflow: hidden; }
.dist-item { background: var(--ink); padding: 1.25rem 1.35rem; }
.dist-pais { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.13em; text-transform: uppercase; color: var(--faint); }
.dist-nombre { font-size: 0.95rem; margin-top: 0.35rem; }

/* ═══ COTIZADOR ═══════════════════════════════════════════ */

.quote { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }

.form-grid { display: grid; gap: 1.05rem; }
.field { display: grid; gap: 0.42rem; }
.field label { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); }
.field input, .field select, .field textarea {
  width: 100%;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-sm);
  color: var(--text); font-family: var(--font-body); font-size: 0.95rem;
  padding: 0.8rem 0.95rem;
  transition: border-color 0.2s, background 0.2s;
}
.field textarea { resize: vertical; min-height: 96px; }
.field input::placeholder, .field textarea::placeholder { color: rgba(242,240,237,0.26); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); background: var(--surface-2);
}
.field select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23888' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.95rem center; padding-right: 2.4rem;
}
.field select option { background: var(--surface); color: var(--text); }

.form-note { font-size: 0.78rem; color: var(--faint); margin: 0.2rem 0 0; }

.contact-block { display: grid; gap: 1.6rem; }
.contact-row { border-top: 1px solid var(--line-soft); padding-top: 1rem; }
.contact-label { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--faint); }
.contact-value { font-size: 1.02rem; margin-top: 0.3rem; display: inline-block; transition: color 0.2s; }
a.contact-value:hover { color: var(--accent); }

/* ═══ FOOTER ══════════════════════════════════════════════ */

.footer { border-top: 1px solid var(--line-soft); padding-block: clamp(3rem, 6vw, 4.5rem) 2rem; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; margin-bottom: 3rem; }
.footer-mark { font-family: var(--font-display); font-size: 2rem; letter-spacing: 0.14em; line-height: 1; }
.footer-tag { font-size: 0.88rem; color: var(--muted); margin: 0.7rem 0 0; max-width: 34ch; }
.footer-col-label { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--faint); margin-bottom: 1rem; }
.footer-links { display: grid; gap: 0.55rem; }
.footer-links a { font-size: 0.9rem; color: var(--muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }
.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center;
  border-top: 1px solid var(--line-soft); padding-top: 1.6rem;
  font-size: 0.78rem; color: var(--faint);
}

/* ═══ BOTÓN FLOTANTE WHATSAPP ═════════════════════════════ */

.wa-float {
  position: fixed; right: clamp(1rem, 3vw, 2rem); bottom: clamp(1rem, 3vw, 2rem); z-index: 80;
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.85rem 1.3rem; border-radius: 100px;
  background: var(--wa); color: #06301a; font-weight: 700; font-size: 0.9rem;
  box-shadow: 0 12px 32px -10px rgba(37, 211, 102, 0.5);
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.wa-float:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -12px rgba(37, 211, 102, 0.6); }
.wa-float svg { flex: none; }

/* ═══ AVISO DE CONFIGURACIÓN (solo si faltan datos) ═══════ */

.setup-notice {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 130;
  background: #3a2a08; border-top: 1px solid var(--accent);
  padding: 0.8rem var(--pad); font-size: 0.82rem; color: #f6e3bf;
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.setup-notice strong { color: var(--accent); }
.setup-notice button { margin-left: auto; color: var(--accent); text-decoration: underline; font-size: 0.8rem; }

/* ═══ ANIMACIÓN DE ENTRADA ════════════════════════════════ */

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ═══ RESPONSIVE ══════════════════════════════════════════ */

@media (max-width: 900px) {
  .modal-cols { grid-template-columns: 1fr; }
  .quote { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .metric:nth-child(3) { border-left: none; }
  .metric:nth-child(n+3) { border-top: 1px solid var(--line-soft); }
}

@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; inset: 60px 0 auto 0;
    flex-direction: column; gap: 0; align-items: stretch;
    background: rgba(11,12,13,0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem var(--pad) 1.5rem;
    transform: translateY(-120%); opacity: 0; pointer-events: none;
    transition: transform 0.35s var(--ease), opacity 0.25s;
  }
  .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links li { border-bottom: 1px solid var(--line-soft); }
  .nav-links a { display: block; padding: 1rem 0; font-size: 1rem; }
  .nav-links a::after { display: none; }
  .hero { min-height: 86vh; }
  .catalog { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .wa-float span { display: none; }
  .wa-float { padding: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Nota al pie de la tabla de especificaciones */
.spec-foot {
  margin: 1rem 0 0; font-size: 0.78rem; line-height: 1.55; color: var(--faint);
  padding-left: 0.8rem; border-left: 1px solid var(--line);
}
/* Badge de disponibilidad "bajo pedido" */
.card-badge.badge-order { background: rgba(11,12,13,0.82); color: var(--text); border: 1px solid var(--line); backdrop-filter: blur(8px); }

/* ═══════════════════════════════════════════════════════════════
   SECUENCIA DE PELÍCULAS — cuadro fijo que cambia al hacer scroll
   La sección es alta; adentro hay un panel sticky que se queda
   quieto mientras el scroll intercambia la película del cuadro.
   ═══════════════════════════════════════════════════════════════ */

.filmstage {
  position: relative;
  /* altura = un tramo de scroll por película. La fija el JS. */
  background: var(--ink);
}

.filmstage-sticky {
  position: sticky; top: 0;
  height: 100vh; height: 100svh;
  display: flex; align-items: center;
  overflow: hidden;
}

.filmstage-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

/* ─── El cuadro ─── */

.filmstage-frame {
  position: relative;
  /* Las fotos son cuadradas (4096×4096). El cuadro también, así no se
     recorta nada. max-width atado a vh evita que se salga de pantalla. */
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: min(100%, 66vh);
  margin-inline: auto;
  border-radius: var(--r);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface-2);
  box-shadow: 0 40px 90px -40px rgba(0,0,0,0.9);
}

.filmstage-layers { position: absolute; inset: 0; }

.filmstage-layer {
  position: absolute; inset: 0;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 0.65s var(--ease), transform 1.1s var(--ease);
  will-change: opacity, transform;
}
.filmstage-layer img { width: 100%; height: 100%; object-fit: cover; }
.filmstage-layer.active { opacity: 1; transform: scale(1); }

/* Reflejo diagonal, como el brillo de un vidrio */
.filmstage-glare {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(112deg,
    rgba(255,255,255,0.10) 0%,
    rgba(255,255,255,0.02) 38%,
    rgba(255,255,255,0.00) 52%,
    rgba(255,255,255,0.05) 100%);
  mix-blend-mode: screen;
}

.filmstage-index {
  position: absolute; left: 1.1rem; bottom: 1rem;
  display: flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.12em;
  color: rgba(255,255,255,0.85);
  text-shadow: 0 1px 8px rgba(0,0,0,0.7);
}
.filmstage-index i { width: 16px; height: 1px; background: rgba(255,255,255,0.45); }
.filmstage-index em { font-style: normal; color: rgba(255,255,255,0.45); }

/* ─── El texto ─── */

.filmstage-copy { min-width: 0; }

.filmstage-name {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.6vw, 3.5rem);
  line-height: 0.98; letter-spacing: 0.02em;
  margin: 0 0 0.7rem; font-weight: 400;
}
.filmstage-claim {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--muted); margin: 0 0 1.4rem; max-width: 34ch; min-height: 3.2em;
}
.filmstage-tonos { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 1.6rem; min-height: 2rem; }
.filmstage-btn { margin-bottom: 2.2rem; }

/* Texto que se desvanece al cambiar de película */
.stage-fade { transition: opacity 0.3s var(--ease), transform 0.3s var(--ease); }
.stage-fade.out { opacity: 0; transform: translateY(7px); }

/* ─── El riel lateral ─── */

.filmstage-rail { display: grid; gap: 0.1rem; border-top: 1px solid var(--line-soft); }
.rail-item {
  display: flex; align-items: center; gap: 0.8rem;
  width: 100%; padding: 0.72rem 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.87rem; color: var(--faint);
  text-align: left;
  transition: color 0.25s var(--ease);
}
.rail-item:hover { color: var(--muted); }
.rail-item .rail-dot {
  flex: none; width: 6px; height: 6px; border-radius: 50%;
  background: rgba(255,255,255,0.16);
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}
.rail-item.active { color: var(--text); }
.rail-item.active .rail-dot { background: var(--accent); transform: scale(1.5); }
.rail-item .rail-num { font-family: var(--font-mono); font-size: 0.6rem; margin-left: auto; opacity: 0.5; }

/* ─── Indicador de "desplaza" ─── */

.filmstage-hint {
  position: absolute; left: 50%; bottom: 1.6rem; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.58rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--faint);
  transition: opacity 0.4s var(--ease);
}
.filmstage-hint svg { animation: hintBob 2.1s var(--ease) infinite; }
.filmstage-hint.gone { opacity: 0; }
@keyframes hintBob { 0%,100% { transform: translateY(0); opacity: .55 } 50% { transform: translateY(5px); opacity: 1 } }

/* ─── Responsive ─── */

@media (max-width: 900px) {
  .filmstage-inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .filmstage-frame { aspect-ratio: 1 / 1; max-width: min(100%, 42vh); }
  .filmstage-claim { min-height: 0; margin-bottom: 1rem; }
  .filmstage-btn { margin-bottom: 1.4rem; }
  .filmstage-rail { display: flex; gap: 0.4rem; border-top: none; overflow-x: auto; padding-bottom: 0.3rem; }
  .rail-item {
    width: auto; padding: 0.4rem 0.85rem; border-bottom: none;
    border: 1px solid var(--line-soft); border-radius: 100px;
    font-size: 0.76rem; white-space: nowrap;
  }
  .rail-item.active { border-color: var(--accent); }
  .rail-item .rail-num { display: none; }
  .filmstage-hint { display: none; }
}

/* Si el navegador no soporta sticky o el usuario pidió menos movimiento,
   el JS apaga la secuencia y esto deja todo visible y legible. */
.filmstage.static-fallback { height: auto !important; }
.filmstage.static-fallback .filmstage-sticky { position: static; height: auto; padding-block: 4rem; }
.filmstage.static-fallback .filmstage-layer { position: relative; opacity: 1; transform: none; }
.filmstage.static-fallback .filmstage-hint { display: none; }