/* =============================================================
   FORMULA AQUARACER — styles.css (Edición Minimal / Editorial)
   Inspirado en bloques editoriales alternos negro/blanco, tipografía
   contenida y motion discreto.
   1. Tokens  2. Reset  3. Utilities  4. Typography  5. Components
   6. Sections  7. Effects  8. Responsive  9. Reduced-motion  10. Configurador
   ============================================================= */

/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --bg:         #ffffff;
  --bg-dark:    #0a0a0a;
  --bg-dark-2:  #141414;
  --surface:    #f4f4f4;
  --surface-dark: rgba(255,255,255,.06);

  --ink:        #111111;
  --ink-soft:   #5c5c5c;
  --ink-dim:    #8a8a8a;

  --ink-on-dark:      #f5f5f5;
  --ink-on-dark-soft: rgba(245,245,245,.68);
  --ink-on-dark-dim:  rgba(245,245,245,.42);

  --accent:    #e10032;
  --line:      rgba(0,0,0,.12);
  --line-soft: rgba(0,0,0,.07);
  --line-dark: rgba(255,255,255,.16);
  --line-dark-soft: rgba(255,255,255,.09);

  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --display: "Orbitron", "Inter", sans-serif;
  --mono: "JetBrains Mono", monospace;

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --container: 1280px;
  --nav-h: 59px;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; scroll-behavior: smooth; background: var(--bg); }
body {
  font-family: var(--sans);
  font-size: 16px; line-height: 1.65; font-weight: 400;
  color: var(--ink); background: var(--bg);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip; overscroll-behavior-y: none;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 {
  text-wrap: balance; line-height: 1.08; letter-spacing: -0.015em;
  font-family: var(--sans); font-weight: 500;
}
h1, h2 {
  font-family: var(--display); font-weight: 700; letter-spacing: -0.01em;
  color: var(--accent);
}
.heading-muted { color: var(--ink-dim); }
.on-dark .heading-muted { color: var(--ink-on-dark-dim); }
.accent-word { color: var(--accent); }
.on-red h1, .on-red h2 { color: #000; }
.on-red .accent-word { color: #fff; }
ul { list-style: none; padding: 0; }
input, textarea, select { font: inherit; color: inherit; }
::selection { background: var(--accent); color: #fff; }

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

/* =============================================================
   3. Utilities
   ============================================================= */
.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: .7rem 1.1rem; background: var(--ink); color: #fff;
  border-radius: 4px; font-weight: 500;
  transition: top .3s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 1.5rem; }
@media (min-width: 720px) { .container { padding-inline: 3rem; } }

.section { position: relative; padding-block: 6rem; }
@media (min-width: 960px) { .section { padding-block: 9rem; } }
.section-tight { padding-block: 4rem; }

.on-dark { background: var(--bg-dark); color: var(--ink-on-dark); }
.on-light { background: var(--bg); color: var(--ink); }
.on-surface { background: var(--surface); color: var(--ink); }
.on-red { background: var(--accent); color: #000; }

.eyebrow {
  display: block; font-size: .72rem; letter-spacing: .22em; text-transform: uppercase;
  font-weight: 600; color: var(--ink-dim); margin-bottom: 1.4rem;
}
.on-dark .eyebrow { color: var(--ink-on-dark-dim); }
.eyebrow.accent { color: var(--accent); }
.on-red .eyebrow, .on-red .eyebrow.accent { color: #000; }

.heading-xl { font-size: clamp(2rem, 5vw, 3.6rem); max-width: 20ch; }
.heading-lg { font-size: clamp(1.7rem, 3.6vw, 2.6rem); max-width: 20ch; }
.lede {
  font-size: clamp(1rem, 1.5vw, 1.2rem); color: var(--ink-soft); font-weight: 400;
  max-width: 58ch; margin-top: 1.4rem;
}
.on-dark .lede { color: var(--ink-on-dark-soft); }
.on-red .lede { color: rgba(0,0,0,.72); }

[data-reveal] {
  opacity: 0; transform: translateY(28px);
  transition: opacity 1s var(--ease-soft), transform 1s var(--ease-soft);
}
[data-reveal].is-revealed { opacity: 1; transform: none; }
.reveal[data-split] { opacity: 1; transform: none; }

/* =============================================================
   4. Typography helpers
   ============================================================= */
.split-word { display: inline-block; will-change: transform, opacity; }

/* =============================================================
   5. Components
   ============================================================= */

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  padding: 1rem 2rem; font-size: .9rem; font-weight: 600; letter-spacing: .01em;
  border-radius: 999px; white-space: nowrap;
  transition: background .35s var(--ease-out), color .35s var(--ease-out), border-color .35s var(--ease-out);
}
.btn-fill { background: var(--ink); color: #fff; border: 1px solid var(--ink); }
.btn-fill:hover { background: var(--accent); border-color: var(--accent); }
.on-dark .btn-fill { background: #fff; color: var(--ink); border-color: #fff; }
.on-dark .btn-fill:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.on-red .btn-fill:hover { background: #fff; color: #000; border-color: #fff; }

.btn-line { background: transparent; color: inherit; border: 1px solid var(--line); }
.btn-line:hover { border-color: var(--ink); }
.on-dark .btn-line { border-color: var(--line-dark); }
.on-red .btn-line { border-color: rgba(0,0,0,.45); color: #000; }
.on-red .btn-line:hover { border-color: #000; background: rgba(0,0,0,.08); }
.on-dark .btn-line:hover { border-color: #fff; }

.btn-block { width: 100%; }

.link-arrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .92rem; font-weight: 600; padding-bottom: .2rem;
  border-bottom: 1px solid currentColor;
  transition: gap .3s var(--ease-out), opacity .3s;
}
.link-arrow:hover { gap: .85rem; opacity: .7; }

/* --- Floating WhatsApp --- */
.buy-float {
  position: fixed; z-index: 500; right: 1.4rem; bottom: 1.4rem;
  padding: .95rem 1.5rem;
  background: #25d366; color: #fff; border: none;
  box-shadow: 0 10px 30px -8px rgba(0,0,0,.35);
}
.buy-float:hover { background: #1fb959; }
.whatsapp-icon { width: 18px; height: 18px; flex: none; }

/* --- Nav --- */
.nav {
  position: fixed; top: 0; inset-inline: 0; z-index: 400; height: var(--nav-h);
  display: flex; align-items: center;
  background: transparent; color: #fff;
  transition: background-color .4s var(--ease-out), color .4s var(--ease-out), border-color .4s var(--ease-out);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(255,255,255,.96); color: var(--ink);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom-color: var(--line-soft);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.nav-logo { height: 30px; width: auto; transition: filter .3s; }
.nav-links { display: none; align-items: center; gap: 2.2rem; }
@media (min-width: 1024px) { .nav-links { display: flex; } }
.nav-link { position: relative; font-size: .86rem; font-weight: 500; padding: .3rem 0; }
.nav-link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: right;
  transition: transform .4s var(--ease-out);
}
.nav-link:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta { display: none; }
@media (min-width: 720px) { .nav-cta { display: inline-flex; padding: .56rem 1.12rem; font-size: .66rem; } }
.nav-burger {
  display: grid; place-items: center; width: 42px; height: 42px;
  border: 1px solid currentColor; border-radius: 50%; opacity: .85;
}
@media (min-width: 1024px) { .nav-burger { display: none; } }
.nav-burger-lines { position: relative; width: 16px; height: 11px; }
.nav-burger-lines span {
  position: absolute; left: 0; width: 100%; height: 1px; background: currentColor;
  transition: transform .35s var(--ease-out), opacity .25s;
}
.nav-burger-lines span:nth-child(1) { top: 0; }
.nav-burger-lines span:nth-child(2) { top: 5px; }
.nav-burger-lines span:nth-child(3) { top: 10px; }
.nav-burger[aria-expanded="true"] .nav-burger-lines span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-burger[aria-expanded="true"] .nav-burger-lines span:nth-child(2) { opacity: 0; }
.nav-burger[aria-expanded="true"] .nav-burger-lines span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

.nav-mobile {
  position: fixed; inset: 0; z-index: 380;
  background: var(--bg-dark); color: var(--ink-on-dark);
  display: grid; place-items: center;
  clip-path: inset(0 0 100% 0);
  transition: clip-path .65s var(--ease-soft);
}
.nav-mobile[data-open="true"] { clip-path: inset(0); }
.nav-mobile-list { display: flex; flex-direction: column; gap: 1.7rem; text-align: center; }
.nav-mobile-list a { font-size: 1.5rem; font-weight: 500; }

/* --- Cards --- */
.card {
  border: 1px solid var(--line); border-radius: 4px; padding: 2.2rem;
  background: var(--bg); transition: border-color .3s;
}
.on-dark .card { border-color: var(--line-dark); background: transparent; }
.card:hover { border-color: var(--ink); }
.on-dark .card:hover { border-color: #fff; }

/* --- Numbered pager (carousel dots) --- */
.pager { display: flex; align-items: center; gap: .9rem; margin-top: 2.5rem; }
.pager-dot {
  width: 30px; height: 2px; background: var(--line-dark); position: relative;
  transition: background .3s;
}
.on-light .pager-dot, .on-surface .pager-dot { background: var(--line); }
.pager-dot.is-active { background: var(--accent); }
.pager-count { font-family: var(--mono); font-size: .75rem; color: var(--ink-on-dark-dim); margin-left: .4rem; }
.on-light .pager-count, .on-surface .pager-count { color: var(--ink-dim); }
.pager-arrows { display: flex; gap: .6rem; margin-left: auto; }
.pager-arrow {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line-dark);
  display: grid; place-items: center; transition: border-color .3s, background .3s;
}
.on-light .pager-arrow, .on-surface .pager-arrow { border-color: var(--line); }
.pager-arrow:hover { background: var(--ink-on-dark); }
.on-light .pager-arrow:hover, .on-surface .pager-arrow:hover { background: var(--ink); color: #fff; }
.pager-arrow svg { width: 16px; height: 16px; }
.pager-arrow:disabled { opacity: .3; pointer-events: none; }

/* =============================================================
   6. Sections
   ============================================================= */

/* --- Hero --- */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  overflow: clip; isolation: isolate; background: #000;
}
.hero .btn-line { border-color: rgba(255,255,255,.4); color: #fff; }
.hero .btn-line:hover { border-color: #fff; }
.hero .btn-fill { background: #fff; color: var(--ink); border-color: #fff; }
.hero .btn-fill:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.hero-bg { position: absolute; inset: 0; z-index: -2; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: 60% 45%; filter: saturate(.85); }
.hero-bg-tint {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.15) 0%, rgba(0,0,0,.1) 45%, rgba(0,0,0,.82) 100%);
}
.hero-eyebrow {
  position: relative; z-index: 1; padding-top: calc(var(--nav-h) + 2rem);
}
.hero-inner { position: relative; z-index: 1; padding-bottom: 5rem; }
.hero-title { color: #fff; font-size: clamp(2.2rem, 6.4vw, 4.6rem); max-width: 18ch; font-weight: 500; }
.hero-title .race { color: var(--accent); }
.hero-sub { color: rgba(255,255,255,.78); font-size: clamp(1rem, 1.5vw, 1.15rem); max-width: 46ch; margin-top: 1.4rem; font-weight: 400; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.2rem; }
.hero-stats {
  display: flex; flex-wrap: wrap; gap: 3rem; margin-top: 3.5rem; padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,.18); max-width: 640px;
}
.hero-stat-value { font-size: 1.6rem; color: #fff; font-weight: 500; }
.hero-stat-label { font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.55); margin-top: .3rem; }
.scroll-cue {
  position: absolute; left: 50%; bottom: 1.6rem; transform: translateX(-50%); z-index: 1;
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  color: rgba(255,255,255,.6); font-size: .65rem; letter-spacing: .18em; text-transform: uppercase;
}
.scroll-cue-line { width: 1px; height: 34px; background: linear-gradient(rgba(255,255,255,.6), transparent); animation: scrollCue 2.4s ease-in-out infinite; }
@keyframes scrollCue { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* --- Countdown video --- */
.countdown-section { background: #000; line-height: 0; }
.countdown-video { width: 100%; height: auto; display: block; }

/* --- Statement block (full dark, big quiet type) --- */
.statement { text-align: left; }
.statement-figure {
  margin-top: 4rem; border: 1px solid var(--line-dark); overflow: hidden;
}
.statement-figure img { width: 100%; transition: transform 1.4s var(--ease-soft); }
.statement-figure:hover img { transform: scale(1.04); }

/* --- Two-column editorial (Experiencia) --- */
.split-grid { display: grid; gap: 3rem; }
@media (min-width: 960px) { .split-grid { grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; } }
.split-figure { border: 1px solid var(--line); overflow: hidden; order: -1; }
@media (min-width: 960px) { .split-figure { order: 2; } }
.split-figure img { width: 100%; }
.split-figure:hover img { transform: scale(1.04); }
.feature-list { display: flex; flex-direction: column; margin-top: 2.4rem; }
.feature-row {
  display: flex; gap: 1.4rem; align-items: flex-start; width: 100%;
  padding: 1.3rem .9rem; margin-inline: -0.9rem; border-top: 1px solid var(--line);
  text-align: left; border-left: 2px solid transparent;
  transition: border-color .3s, background .3s, padding-left .3s;
  cursor: pointer;
}
.feature-row:first-child { border-top: 1px solid var(--line); }
.feature-row:hover { background: var(--surface); }
.feature-row.is-active { border-left-color: var(--accent); background: var(--surface); padding-left: 1.15rem; }
.feature-row.is-active .feature-num { color: var(--accent); }
.feature-num { font-family: var(--mono); color: var(--ink-dim); font-size: .78rem; padding-top: .2rem; flex: none; width: 2ch; transition: color .3s; }
.feature-row h3 { font-size: 1rem; font-weight: 600; margin-bottom: .3rem; }
.feature-row p { color: var(--ink-soft); font-size: .92rem; }

.split-figure img { transition: opacity .25s var(--ease-out), transform 1.2s var(--ease-soft); }
.split-figure.is-swapping img { opacity: 0; transition-duration: .15s; }

/* --- Story blocks (Versiones) — full-bleed alternating, Audi-style --- */
.story-block {
  position: relative; min-height: 92vh; min-height: 92svh;
  display: none; flex-direction: column; justify-content: flex-end;
  overflow: clip; isolation: isolate;
}
.story-block.is-active { display: flex; }
.story-bg { position: absolute; inset: 0; z-index: -2; }
.story-bg img { width: 100%; height: 100%; object-fit: cover; }
.story-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.05) 0%, rgba(0,0,0,.75) 100%);
}
.story-inner { position: relative; z-index: 1; padding-block: 3.5rem; color: #fff; }
.story-eyebrow { color: rgba(255,255,255,.65); }
.story-title { font-size: clamp(1.8rem, 4.4vw, 3.2rem); max-width: 16ch; color: #fff; }
.story-desc { color: rgba(255,255,255,.78); max-width: 52ch; margin-top: 1.2rem; }
.story-hp {
  font-size: clamp(3.5rem, 9vw, 7rem); font-weight: 600; color: #fff; line-height: 1;
  margin-bottom: .6rem;
}
.story-hp span { font-size: .32em; color: rgba(255,255,255,.6); margin-left: .3rem; }
.story-actions { display: flex; gap: 1rem; margin-top: 2rem; flex-wrap: wrap; }

/* --- Gallery (grid, square, borderless-flush) --- */
.gallery-grid { display: grid; gap: 0; margin-top: 3.5rem; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 720px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }
.gallery-item {
  position: relative; overflow: hidden; aspect-ratio: 1/1;
  outline: 1px solid var(--line); outline-offset: -0.5px;
  background: var(--surface); cursor: pointer;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease-soft), filter .5s; }
.gallery-item:hover img, .gallery-item:focus-visible img { transform: scale(1.06); }

/* --- Lightbox --- */
.lightbox {
  position: fixed; inset: 0; z-index: 700; display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,.96); opacity: 0; pointer-events: none; transition: opacity .4s var(--ease-out);
}
.lightbox.is-open { opacity: 1; pointer-events: auto; }
.lightbox-img { width: 100%; max-height: 100vh; object-fit: contain; }
.lightbox-close {
  position: fixed; top: 1.4rem; right: 1.4rem; z-index: 2; width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center; background: rgba(255,255,255,.08); border: 1px solid var(--line-dark);
  color: #fff; font-size: 1.4rem; line-height: 1; transition: background .3s, transform .3s var(--ease-soft);
}
.lightbox-close:hover { background: rgba(255,255,255,.18); transform: rotate(90deg); }
.lightbox-nav {
  position: fixed; top: 50%; transform: translateY(-50%); z-index: 2; width: 52px; height: 52px; border-radius: 50%;
  display: grid; place-items: center; background: rgba(255,255,255,.08); border: 1px solid var(--line-dark);
  color: #fff; transition: background .3s, transform .3s var(--ease-soft);
}
.lightbox-nav svg { width: 22px; height: 22px; }
.lightbox-nav:hover { background: rgba(255,255,255,.18); }
.lightbox-prev { left: 1.4rem; }
.lightbox-prev:hover { transform: translateY(-50%) translateX(-3px); }
.lightbox-next { right: 1.4rem; }
.lightbox-next:hover { transform: translateY(-50%) translateX(3px); }
@media (max-width: 719px) { .lightbox-nav { width: 42px; height: 42px; } .lightbox-prev { left: .6rem; } .lightbox-next { right: .6rem; } }

/* --- Specs (clean two-column list) --- */
.specs-grid { display: grid; gap: 0; margin-top: 3.5rem; border-top: 1px solid var(--line); }
@media (min-width: 720px) { .specs-grid { grid-template-columns: 1fr 1fr; column-gap: 4rem; } }
.spec-row { display: flex; justify-content: space-between; gap: 1rem; padding: 1.2rem 0; border-bottom: 1px solid var(--line-soft); font-size: .95rem; }
.spec-row .label { color: var(--ink-soft); }
.spec-row .value { font-weight: 600; text-align: right; }
.spec-row .value .sub { display: block; color: var(--ink-dim); font-size: .72rem; font-weight: 400; margin-top: .15rem; }

.custom-panel { margin-top: 3.5rem; padding: 2.4rem; border: 1px solid var(--line); display: grid; gap: 2rem; }
@media (min-width: 720px) { .custom-panel { grid-template-columns: repeat(4, 1fr); } }
.custom-panel h4 { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-dim); margin-bottom: .6rem; font-weight: 600; }
.custom-panel p { font-size: .92rem; color: var(--ink-soft); }

/* --- Ventajas (horizontal numbered carousel, "ADN ganador" style) --- */
.advantages-track-wrap {
  margin-top: 3.5rem; overflow-x: auto; overflow-y: visible;
  scroll-snap-type: x mandatory; scroll-behavior: smooth;
  scrollbar-width: none; -ms-overflow-style: none;
}
.advantages-track-wrap::-webkit-scrollbar { display: none; }
.advantages-track { display: flex; gap: 1.5rem; width: max-content; }
.advantage-item {
  flex: 0 0 auto; width: 280px; display: flex; flex-direction: column; gap: 1rem;
  scroll-snap-align: start;
}
@media (min-width: 720px) { .advantage-item { width: 320px; } }
.advantage-card { padding: 2rem; border: 1px solid var(--line); }
.advantage-index { font-family: var(--mono); font-size: .78rem; color: var(--accent); margin-bottom: 1.6rem; }
.advantage-card h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: .6rem; }
.advantage-card p { color: var(--ink-soft); font-size: .9rem; }

.advantage-image {
  position: relative; display: block; width: 100%; aspect-ratio: 1/1;
  overflow: hidden; border: 1px solid var(--line); cursor: pointer; padding: 0;
}
.advantage-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease-soft); }
.advantage-image:hover img, .advantage-image:focus-visible img { transform: scale(1.06); }

/* --- FAQ --- */
.faq-list { margin-top: 3.5rem; border-top: 1px solid var(--line); max-width: 860px; }
.faq-item { border-bottom: 1px solid var(--line-soft); }
.faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.5rem 0; cursor: pointer; list-style: none; font-weight: 500; font-size: 1.02rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-plus { position: relative; width: 18px; height: 18px; flex: none; }
.faq-plus::before, .faq-plus::after { content: ""; position: absolute; background: var(--ink); transition: transform .35s var(--ease-out); }
.faq-plus::before { left: 0; top: 50%; width: 100%; height: 1px; transform: translateY(-50%); }
.faq-plus::after { top: 0; left: 50%; width: 1px; height: 100%; transform: translateX(-50%); }
.faq-item[open] .faq-plus::after { transform: translateX(-50%) rotate(90deg); opacity: 0; }
.faq-item p { padding-bottom: 1.5rem; color: var(--ink-soft); max-width: 66ch; }

/* --- Contacto --- */
.contact-grid { display: grid; gap: 3.5rem; margin-top: 3.5rem; }
@media (min-width: 960px) { .contact-grid { grid-template-columns: .9fr 1.1fr; } }
.contact-info-item { padding-block: 1.2rem; border-bottom: 1px solid var(--line-soft); }
.contact-info-item .label { font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-dim); font-weight: 600; }
.contact-info-item .value { margin-top: .4rem; font-size: 1.05rem; }
.contact-info-item a:hover { color: var(--accent); }

.field { position: relative; margin-bottom: 1.4rem; }
.field input, .field textarea {
  width: 100%; padding: 1.3rem 1rem .55rem; border-radius: 2px;
  border: 1px solid var(--line); background: transparent; color: var(--ink);
  transition: border-color .3s;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--ink); outline: none; }
.field label {
  position: absolute; left: 1rem; top: 50%; transform: translateY(-50%);
  pointer-events: none; transition: all .25s var(--ease-out); color: var(--ink-dim); font-size: .95rem;
}
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label {
  top: .55rem; transform: none; font-size: .68rem; letter-spacing: .1em; text-transform: uppercase;
}
.field-row { display: grid; gap: 1rem; }
@media (min-width: 540px) { .field-row { grid-template-columns: 1fr 1fr; } }
.form-note { font-size: .78rem; color: var(--ink-dim); margin-top: .7rem; }

.cta-form { position: relative; transition: opacity .5s, transform .5s; }
.cta-form.is-sent { opacity: 0; transform: translateY(-10px); pointer-events: none; position: absolute; inset: 0; }
.cta-form.is-sending .btn-label { opacity: 0; }
.cta-form.is-sending .btn-spinner { opacity: 1; }
.btn-spinner { position: absolute; inset: 0; display: grid; place-items: center; opacity: 0; pointer-events: none; }
.btn-spinner::after { content: ""; width: 16px; height: 16px; border: 2px solid rgba(255,255,255,.35); border-top-color: #fff; border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.form-success { display: none; text-align: center; padding: 3rem 1rem; }
.form-success.is-visible { display: block; }
.form-success h3 { margin-bottom: .6rem; }
.form-success p { color: var(--ink-soft); }

/* --- CTA final --- */
.cta-final { text-align: left; }
.cta-final .heading-xl { max-width: 18ch; }
.cta-final-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.4rem; }

/* --- Footer --- */
.footer { border-top: 1px solid var(--line-dark); padding-block: 4rem 2rem; background: var(--bg-dark); color: var(--ink-on-dark); }
.footer-grid { display: grid; gap: 2.5rem; }
@media (min-width: 720px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.footer-logo { height: 57px; margin-bottom: 1rem; }
.footer-tagline { color: var(--ink-on-dark-dim); font-size: .85rem; max-width: 32ch; }
.footer-col h4 { font-size: .74rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-on-dark-dim); margin-bottom: 1rem; font-weight: 600; }
.footer-col a { display: block; padding-block: .4rem; font-size: .92rem; color: var(--ink-on-dark-soft); transition: color .25s; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  margin-top: 3rem; padding-top: 1.6rem; border-top: 1px solid var(--line-dark-soft);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
  font-size: .78rem; color: var(--ink-on-dark-dim);
}

/* =============================================================
   7. Effects
   ============================================================= */
.scroll-progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 600; background: rgba(0,0,0,.06); pointer-events: none; }
.scroll-progress span { display: block; height: 100%; background: var(--accent); transform-origin: 0 0; transform: scaleX(0); }

/* =============================================================
   8. Responsive helpers
   ============================================================= */
.mobile-only { display: block; }
@media (min-width: 720px) { .mobile-only { display: none; } }
.desktop-only { display: none; }
@media (min-width: 720px) { .desktop-only { display: block; } }

/* =============================================================
   9. Reduced motion
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scroll-cue-line { animation: none; }
}

/* =============================================================
   10. Configurador
   ============================================================= */
.config-header { padding-top: calc(var(--nav-h) + 3rem); padding-bottom: 2rem; }
.config-layout { display: grid; gap: 3rem; }
@media (min-width: 1024px) { .config-layout { grid-template-columns: 1fr 360px; align-items: start; } }
.config-step { padding-block: 3rem; border-top: 1px solid var(--line); }
.config-step:first-child { border-top: none; }
.config-step-head { display: flex; align-items: baseline; gap: 1rem; margin-bottom: 1.8rem; }
.config-step-num { font-family: var(--mono); font-size: 1rem; color: var(--accent); }
.config-step-head h2 { font-size: 1.4rem; }
.config-step-desc { color: var(--ink-soft); margin-bottom: 1.8rem; max-width: 60ch; }

.option-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); }
.option-card {
  position: relative; display: block; cursor: pointer; border: 1px solid var(--line); padding: 1.5rem 1.6rem;
  transition: border-color .3s, background .3s;
}
.option-card input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; cursor: pointer; margin: 0; }
.option-card .opt-hp { font-size: 2.1rem; font-weight: 600; }
.option-card .opt-hp-unit { font-size: .68rem; color: var(--ink-dim); margin-left: .25rem; }
.option-card .opt-name { margin-top: .3rem; font-weight: 600; }
.option-card .opt-desc { margin-top: .5rem; font-size: .85rem; color: var(--ink-soft); }
.option-card .opt-check { position: absolute; top: 1.3rem; right: 1.3rem; width: 16px; height: 16px; border: 1px solid var(--line); border-radius: 50%; transition: border-color .3s, background .3s; }
.option-card:has(input:checked) { border-color: var(--ink); }
.option-card:has(input:checked) .opt-check { background: var(--ink); border-color: var(--ink); }
.option-card:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }

.swatch-grid { display: flex; flex-wrap: wrap; gap: .9rem; }
.swatch { position: relative; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: .5rem; }
.swatch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.swatch-dot { width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); transition: border-color .3s, transform .3s var(--ease-soft); }
.swatch input:checked + .swatch-dot { border-color: var(--ink); border-width: 2px; transform: scale(1.06); }
.swatch input:focus-visible + .swatch-dot { outline: 2px solid var(--accent); outline-offset: 2px; }
.swatch-label { font-size: .78rem; color: var(--ink-soft); }
.vinyl-note { margin-top: 1.2rem; padding: 1rem 1.2rem; border: 1px dashed var(--line); font-size: .85rem; color: var(--ink-soft); }

.accessory-row { display: flex; align-items: flex-start; gap: 1rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line-soft); }
.accessory-row input { margin-top: .3rem; accent-color: var(--ink); width: 16px; height: 16px; }
.accessory-row h3 { font-size: .98rem; font-weight: 600; }
.accessory-row p { font-size: .85rem; color: var(--ink-soft); margin-top: .2rem; }
.accessory-soon { display: inline-block; margin-top: .3rem; font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--line); padding: .18rem .55rem; }

.config-summary { position: static; border: 1px solid var(--line); padding: 1.8rem; }
@media (min-width: 1024px) { .config-summary { position: sticky; top: calc(var(--nav-h) + 1.5rem); } }
.config-summary h3 { font-size: 1rem; margin-bottom: 1.2rem; font-weight: 600; }
.summary-row { display: flex; justify-content: space-between; gap: 1rem; padding-block: .65rem; border-bottom: 1px solid var(--line-soft); font-size: .88rem; }
.summary-row .label { color: var(--ink-dim); }
.summary-row .value { text-align: right; font-weight: 600; }
.summary-deposit { display: flex; justify-content: space-between; align-items: baseline; margin-top: 1.4rem; padding-top: 1.2rem; border-top: 1px solid var(--line); }
.summary-deposit .amount { font-size: 1.5rem; font-weight: 600; }
.summary-deposit .label { font-size: .65rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-dim); }
.config-summary .btn { margin-top: 1.4rem; }
.config-disclaimer { font-size: .74rem; color: var(--ink-dim); margin-top: 1rem; }

.reserve-success { display: none; text-align: center; padding: 5rem 1rem; }
.reserve-success.is-visible { display: block; }
.reserve-success .icon { width: 60px; height: 60px; margin-inline: auto 1.6rem; border-radius: 50%; background: var(--ink); color:#fff; display: grid; place-items: center; }
.reserve-success h2 { margin-top: 1.2rem; }
.reserve-success p { color: var(--ink-soft); margin-top: .6rem; max-width: 46ch; margin-inline: auto; }