:root {
  --black: #050605;
  --ink: #13110e;
  --charcoal: #1c1b18;
  --white: #ffffff;
  --paper: #f2efe7;
  --muted: #746f66;
  --line: rgba(255, 255, 255, 0.18);
  --dark-line: rgba(0, 0, 0, 0.12);
  --action: #f0b85a;
  --action-dark: #a66c22;
  --action-rgb: 240, 184, 90;
  --cool-glass: #8aa7ad;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.28);
  --radius: 8px;
  color-scheme: dark light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

[id] {
  scroll-margin-top: 92px;
}

#modelo-3d {
  scroll-margin-top: 0;
}

body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

img,
video {
  display: block;
  max-width: 100%;
}

video {
  background: #050505;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

.ambient-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 255, 255, 0.14), transparent 24rem),
    linear-gradient(135deg, #030302 0%, #17130e 48%, #050605 100%);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 78px;
  padding: 0 clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(5, 5, 5, 0.42);
  backdrop-filter: blur(18px);
  transition: background 220ms ease, min-height 220ms ease;
}

.site-header.is-scrolled {
  min-height: 66px;
  background: rgba(5, 5, 5, 0.82);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.28em;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.08);
  letter-spacing: 0;
}

.nav {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 34px);
  font-size: 0.77rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav a {
  position: relative;
  padding: 28px 0;
  color: rgba(255, 255, 255, 0.82);
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 22px;
  height: 1px;
  background: var(--action);
  transition: right 180ms ease;
}

.nav a:hover::after {
  right: 0;
}

.nav a.nav-work {
  padding: 11px 14px;
  border: 1px solid rgba(var(--action-rgb), 0.62);
  border-radius: var(--radius);
  background: rgba(var(--action-rgb), 0.12);
  color: var(--action);
}

.nav a.nav-work::after {
  display: none;
}

.nav a.nav-work:hover {
  background: rgba(var(--action-rgb), 0.2);
}

.header-offer {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid rgba(var(--action-rgb), 0.72);
  border-radius: var(--radius);
  background: rgba(var(--action-rgb), 0.14);
  color: var(--white);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.header-offer strong {
  color: var(--action);
}

.menu-toggle {
  display: none;
}

.offer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 220ms ease;
}

.offer-popup {
  position: fixed;
  right: clamp(14px, 4vw, 42px);
  bottom: clamp(14px, 4vw, 42px);
  z-index: 90;
  width: min(460px, calc(100vw - 28px));
  padding: clamp(22px, 4vw, 32px);
  border: 1px solid rgba(var(--action-rgb), 0.7);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(28, 22, 12, 0.96), rgba(6, 6, 5, 0.96)),
    radial-gradient(circle at 10% 0%, rgba(var(--action-rgb), 0.32), transparent 16rem);
  box-shadow: 0 36px 120px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
  transform: translateY(24px) scale(0.96);
  opacity: 0;
  transition: transform 240ms ease, opacity 240ms ease;
}

.offer-backdrop.is-visible,
.offer-popup.is-visible {
  opacity: 1;
}

.offer-popup.is-visible {
  transform: translateY(0) scale(1);
}

.offer-close {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
}

.offer-badge {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 8px 12px;
  border: 1px solid rgba(var(--action-rgb), 0.42);
  border-radius: 999px;
  background: rgba(var(--action-rgb), 0.13);
  color: var(--action);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.offer-popup h2 {
  max-width: 380px;
  margin-bottom: 14px;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 0.92;
}

.offer-popup p {
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.58;
}

.offer-countdown {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 18px;
}

.offer-countdown span {
  display: grid;
  min-height: 74px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.offer-countdown strong {
  color: var(--white);
  font-size: 1.8rem;
}

.offer-claim {
  width: 100%;
}

[hidden] {
  display: none !important;
}

.section-dark {
  background: transparent;
  color: var(--white);
}

.section-light {
  background: var(--paper);
  color: var(--ink);
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
  padding: 118px clamp(18px, 4vw, 64px) 0;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 78px 0 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(118deg, transparent 0 54%, rgba(var(--action-rgb), 0.16) 54.2%, transparent 54.6%),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08), transparent 18%, transparent 82%, rgba(255, 255, 255, 0.06));
  mix-blend-mode: screen;
  opacity: 0.55;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -1;
  transform: translate3d(0, calc(var(--scroll-shift, 0) * 1px), 0);
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.12);
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.78) 0%, rgba(0, 0, 0, 0.42) 46%, rgba(0, 0, 0, 0.22) 100%),
    linear-gradient(0deg, rgba(0, 0, 0, 0.86) 0%, rgba(0, 0, 0, 0.05) 42%, rgba(0, 0, 0, 0.48) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(300px, 0.48fr);
  grid-template-rows: auto auto;
  align-items: center;
  gap: 16px clamp(24px, 4vw, 56px);
  min-height: calc(100svh - 118px);
  max-width: 1280px;
  margin: 0 auto;
  padding-bottom: 110px;
}

.hero-copy {
  grid-column: 1;
  grid-row: 1 / span 2;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 24px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.32em;
  line-height: 1.8;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: rgba(0, 0, 0, 0.58);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 860px;
  margin-bottom: 24px;
  font-size: clamp(3.25rem, 6.45vw, 6.45rem);
  font-weight: 500;
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2.1rem, 5vw, 5.7rem);
  font-weight: 520;
  line-height: 0.95;
  letter-spacing: 0;
}

h3 {
  font-size: clamp(1.05rem, 2vw, 1.55rem);
  line-height: 1.1;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 590px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1rem, 1.5vw, 1.24rem);
  line-height: 1.72;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 740px;
  margin: -12px 0 28px;
}

.hero-proof span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(var(--action-rgb), 0.34);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.28);
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  overflow: hidden;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.button::before {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-105%);
  background: rgba(255, 255, 255, 0.22);
  transition: transform 220ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button:hover::before {
  transform: translateX(105%);
}

.button-primary {
  border-color: var(--action);
  background: var(--action);
  color: #1a1004;
}

.button-ghost {
  color: var(--white);
  background: rgba(255, 255, 255, 0.04);
}

.coupon-card {
  grid-column: 2;
  grid-row: 2;
  align-self: center;
  width: min(100%, 350px);
  justify-self: end;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(19, 16, 11, 0.72), rgba(6, 6, 6, 0.68)),
    rgba(6, 6, 6, 0.58);
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(18px);
}

.coupon-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  text-transform: uppercase;
}

.coupon-top span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.coupon-top strong {
  color: var(--action);
  font-size: 3rem;
  line-height: 0.9;
}

.coupon-card p {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.65;
}

.countdown {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 16px 0;
}

.countdown span {
  display: grid;
  place-items: center;
  min-height: 60px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.75rem;
  text-transform: uppercase;
}

.countdown strong {
  color: var(--white);
  font-size: 1.7rem;
}

.coupon-link {
  display: inline-flex;
  color: var(--action);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-render-card {
  position: relative;
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  align-self: end;
  z-index: 2;
  display: block;
  width: min(100%, 420px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(9, 9, 8, 0.08), rgba(9, 9, 8, 0.9)),
    rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(18px);
  overflow: hidden;
  box-shadow: 0 34px 100px rgba(0, 0, 0, 0.44);
}

.hero-render-card::before {
  content: "";
  position: absolute;
  inset: 12px;
  z-index: 1;
  pointer-events: none;
  border: 1px solid rgba(var(--action-rgb), 0.18);
}

.hero-render-card::after {
  content: "GT domicilio";
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
  padding: 7px 9px;
  border: 1px solid rgba(var(--action-rgb), 0.42);
  background: rgba(5, 6, 5, 0.68);
  color: var(--action);
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  backdrop-filter: blur(14px);
}

.hero-render-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center;
  filter: contrast(1.1) saturate(0.9);
}

.hero-render-card div {
  position: relative;
  z-index: 2;
  padding: 18px;
  background: linear-gradient(180deg, rgba(5, 6, 5, 0.4), rgba(5, 6, 5, 0.92));
}

.hero-render-card span {
  display: block;
  margin-bottom: 6px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-render-card strong {
  display: block;
  max-width: 300px;
  font-size: 1.05rem;
  line-height: 1.2;
}

.hero-strip {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(4, 4, 4, 0.58);
  backdrop-filter: blur(18px);
}

.hero-strip span {
  flex: 1;
  min-width: 140px;
  padding: 22px 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.13);
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-align: center;
  text-transform: uppercase;
}

.intro-panel {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  padding: 1px;
  background: #d9d3c9;
}

.metric {
  min-height: 168px;
  padding: clamp(22px, 4vw, 40px);
  background: var(--paper);
}

.model-section {
  position: relative;
  overflow: hidden;
  min-height: 100svh;
  padding: 0;
  background:
    radial-gradient(circle at 72% 14%, rgba(var(--action-rgb), 0.16), transparent 24rem),
    linear-gradient(135deg, #050605 0%, #181510 52%, #080807 100%);
}

.model-copy {
  position: absolute;
  left: 0;
  right: 0;
  top: clamp(118px, 14vw, 176px);
  z-index: 4;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(280px, 0.45fr);
  gap: clamp(24px, 6vw, 80px);
  align-items: end;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 64px);
}

.model-copy::before {
  content: "";
  position: absolute;
  inset: -32px auto -28px 0;
  z-index: -1;
  width: min(880px, 76vw);
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.32) 58%, transparent),
    linear-gradient(180deg, rgba(0, 0, 0, 0.36), transparent);
}

.model-copy .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.model-copy p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.72;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.8);
}

.model-reference-note {
  display: block;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.78rem;
  line-height: 1.5;
}

.model-copy h2,
.model-copy .eyebrow {
  text-shadow: 0 3px 24px rgba(0, 0, 0, 0.88);
}

.model-stage {
  position: relative;
  min-height: 100svh;
  cursor: grab;
  user-select: none;
  touch-action: pan-y;
  background:
    radial-gradient(circle at 50% 42%, rgba(var(--action-rgb), 0.16), transparent 28rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
}

.model-stage:active {
  cursor: grabbing;
}

.model-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 360ms ease;
}

.model-poster {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center 70%;
  padding: clamp(180px, 18vw, 240px) clamp(18px, 5vw, 90px) clamp(86px, 9vw, 132px);
  filter: contrast(1.06) saturate(0.9);
  opacity: 1;
  transition: opacity 360ms ease;
}

.model-loaded .model-poster,
.model-fallback .model-poster {
  opacity: 0;
}

.model-loaded .model-canvas,
.model-fallback .model-canvas {
  opacity: 1;
}

.model-loading {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  pointer-events: none;
  transition: opacity 240ms ease, visibility 240ms ease;
}

.model-loading span {
  padding: 13px 16px;
  border: 1px solid rgba(var(--action-rgb), 0.52);
  border-radius: 999px;
  background: rgba(5, 6, 5, 0.72);
  color: var(--action);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  backdrop-filter: blur(16px);
}

.model-ready .model-loading {
  opacity: 0;
  visibility: hidden;
}

.model-error .model-loading span {
  border-color: rgba(255, 255, 255, 0.32);
  color: rgba(255, 255, 255, 0.78);
}

.model-stage::before,
.model-stage::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.model-stage::before {
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 6, 5, 0.88), transparent 20%, transparent 78%, rgba(5, 6, 5, 0.72)),
    linear-gradient(0deg, rgba(5, 6, 5, 0.8), transparent 22%, transparent 80%, rgba(5, 6, 5, 0.4));
}

.model-stage::after {
  left: clamp(18px, 4vw, 64px);
  right: clamp(18px, 4vw, 64px);
  bottom: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--action-rgb), 0.74), transparent);
}

.model-overlay {
  position: absolute;
  right: clamp(18px, 6vw, 90px);
  bottom: clamp(24px, 7vw, 86px);
  width: min(420px, calc(100% - 36px));
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(12, 10, 8, 0.66);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.model-overlay > span {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.model-overlay strong {
  display: block;
  margin-bottom: 18px;
  color: var(--action);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  line-height: 1;
}

.tint-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.tint-control {
  min-height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.tint-control.is-active {
  border-color: rgba(var(--action-rgb), 0.86);
  background: rgba(var(--action-rgb), 0.18);
  color: var(--action);
}

.metric strong {
  display: block;
  margin-bottom: 12px;
  color: var(--ink);
  font-size: clamp(2.8rem, 6vw, 5.4rem);
  font-weight: 520;
  line-height: 0.9;
}

.metric span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section {
  padding: clamp(82px, 12vw, 156px) clamp(18px, 4vw, 64px);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.48fr);
  gap: clamp(24px, 6vw, 80px);
  align-items: end;
  max-width: 1280px;
  margin: 0 auto clamp(36px, 6vw, 74px);
}

.section-head .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.section-head p:not(.eyebrow) {
  color: currentColor;
  opacity: 0.68;
  line-height: 1.7;
}

.film-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 1280px;
  margin: 0 auto;
  background: transparent;
}

.film-card {
  position: relative;
  min-height: 470px;
  overflow: hidden;
  border-radius: var(--radius);
  background: #111;
  color: var(--white);
  transform-style: preserve-3d;
}

.film-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.08);
  transition: transform 500ms ease, filter 500ms ease;
}

.film-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(0deg, rgba(0, 0, 0, 0.88), rgba(0, 0, 0, 0.18) 58%, rgba(0, 0, 0, 0.38)),
    radial-gradient(circle at 70% 20%, rgba(255, 255, 255, 0.18), transparent 18rem);
}

.film-card:hover img {
  transform: scale(1.08);
  filter: grayscale(0.45) contrast(1.12);
}

.film-card div {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  padding: 28px;
  transform: translateZ(24px);
}

.film-card span {
  display: block;
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.2em;
}

.film-card p {
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.6;
}

.film-card.featured {
  min-height: 540px;
}

.film-card.wide {
  grid-column: 1 / -1;
  min-height: 420px;
}

.service-section {
  position: relative;
  overflow: hidden;
}

.service-section::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.58)),
    url("assets/images/polarizado-nano-carbon.jpg") center / cover fixed;
  opacity: 0.88;
}

.service-section > * {
  position: relative;
  z-index: 1;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  max-width: 1280px;
  margin: 0 auto;
  background: transparent;
}

.service-card {
  min-height: 260px;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(12, 12, 12, 0.72);
  backdrop-filter: blur(14px);
}

.service-card.large {
  grid-column: span 2;
  grid-row: span 2;
  min-height: 521px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.service-card.wide {
  grid-column: span 2;
}

.service-card span {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--action);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.service-card h3 {
  max-width: 520px;
}

.service-card.large h3 {
  font-size: clamp(2rem, 4vw, 4.8rem);
  line-height: 0.96;
}

.service-card p {
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.65;
}

.process-section {
  position: relative;
  overflow: hidden;
  padding: clamp(82px, 12vw, 156px) clamp(18px, 4vw, 64px);
  background:
    radial-gradient(circle at 22% 12%, rgba(var(--action-rgb), 0.12), transparent 22rem),
    #050505;
}

.process-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.28;
}

.process-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.2) contrast(1.16) brightness(0.72);
}

.process-section::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(90deg, rgba(5, 6, 5, 0.94), rgba(5, 6, 5, 0.62) 54%, rgba(5, 6, 5, 0.9)),
    linear-gradient(0deg, rgba(5, 6, 5, 0.94), transparent 42%, rgba(5, 6, 5, 0.9));
}

.process-section > *:not(.process-media) {
  position: relative;
  z-index: 1;
}

.process-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 1280px;
  margin: 0 auto;
}

.process-copy {
  min-height: 340px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(13, 12, 10, 0.72);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(16px);
  overflow: hidden;
}

.process-copy {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(24px, 3vw, 34px);
}

.process-copy span {
  display: block;
  margin-bottom: 18px;
  color: var(--action);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.process-copy p {
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.65;
}

.process-result {
  background:
    linear-gradient(145deg, rgba(42, 31, 14, 0.82), rgba(10, 9, 7, 0.82)),
    radial-gradient(circle at 78% 18%, rgba(var(--action-rgb), 0.22), transparent 14rem);
}

.quote-section {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(360px, 0.55fr);
  gap: clamp(32px, 8vw, 96px);
  align-items: start;
  padding: clamp(82px, 12vw, 156px) clamp(18px, 4vw, 64px);
}

.quote-copy {
  position: sticky;
  top: 112px;
}

.quote-copy h2 {
  max-width: 740px;
}

.quote-copy p {
  max-width: 620px;
  color: var(--muted);
  line-height: 1.7;
}

.quote-note {
  display: grid;
  gap: 8px;
  max-width: 520px;
  margin-top: 32px;
  padding: 24px;
  border: 1px solid rgba(var(--action-rgb), 0.36);
  border-radius: var(--radius);
  background: rgba(var(--action-rgb), 0.12);
}

.quote-note strong {
  color: var(--action-dark);
}

.quote-note span {
  color: var(--muted);
}

.quote-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: clamp(22px, 4vw, 38px);
  border: 1px solid var(--dark-line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.12);
}

.quote-form label {
  display: grid;
  gap: 10px;
  color: #333;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.quote-form .full {
  grid-column: 1 / -1;
}

.quote-form input,
.quote-form select,
.quote-form textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.22);
  border-radius: 7px 7px 0 0;
  outline: 0;
  background: #f7f7f5;
  color: #111;
  padding: 16px 14px;
  font-size: 0.98rem;
  letter-spacing: 0;
  text-transform: none;
  transition: border-color 160ms ease, background 160ms ease;
}

.quote-form textarea {
  resize: vertical;
}

.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
  border-color: var(--action-dark);
  background: #ffffff;
}

.quote-form .button {
  width: 100%;
  border: 0;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 38px clamp(18px, 4vw, 64px);
  border-top: 1px solid rgba(255, 255, 255, 0.13);
  background: #050505;
  color: rgba(255, 255, 255, 0.72);
}

.site-footer div {
  display: grid;
  gap: 8px;
}

.site-footer strong {
  color: var(--white);
  letter-spacing: 0.18em;
  font-size: 0.78rem;
}

.site-footer a {
  color: var(--action);
  font-weight: 900;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: 1fr auto auto;
  }

  .nav {
    position: fixed;
    inset: 78px 14px auto;
    display: none;
    justify-self: stretch;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(5, 5, 5, 0.94);
    padding: 8px;
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    padding: 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav a.nav-work {
    padding: 18px;
  }

  .nav a::after {
    display: none;
  }

  .menu-toggle {
    display: grid;
    gap: 6px;
    width: 42px;
    height: 42px;
    place-content: center;
    border: 1px solid rgba(255, 255, 255, 0.26);
    background: rgba(255, 255, 255, 0.06);
    color: var(--white);
  }

  .menu-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: currentColor;
  }

  .hero-grid,
  .section-head,
  .model-copy,
  .quote-section {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: auto;
    padding-bottom: 126px;
  }

  .hero-copy,
  .hero-render-card,
  .coupon-card {
    grid-column: 1;
    grid-row: auto;
    justify-self: start;
  }

  .hero-render-card {
    max-width: 460px;
  }

  .intro-panel {
    grid-template-columns: repeat(2, 1fr);
  }

  .film-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-card.large {
    grid-column: span 2;
    min-height: 360px;
  }

  .quote-copy {
    position: static;
  }
}

@media (max-width: 680px) {
  [id] {
    scroll-margin-top: 100px;
  }

  .site-header {
    min-height: 68px;
    grid-template-columns: 1fr auto;
    gap: 12px;
    padding: 0 14px;
  }

  .brand {
    gap: 9px;
    min-width: 0;
    font-size: 0.66rem;
    letter-spacing: 0.15em;
  }

  .brand span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .brand-mark {
    width: 31px;
    height: 31px;
    flex: 0 0 auto;
  }

  .header-offer {
    grid-column: 1 / -1;
    justify-content: center;
    min-height: 36px;
    margin-bottom: 8px;
  }

  .nav {
    inset: 112px 10px auto;
  }

  .offer-popup {
    left: 14px;
    right: 14px;
    bottom: 14px;
    width: auto;
  }

  .offer-countdown {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .offer-countdown span {
    min-height: 64px;
  }

  .hero {
    min-height: 100svh;
    padding: 128px 18px 0;
  }

  h1 {
    max-width: 100%;
    margin-bottom: 18px;
    font-size: clamp(2.35rem, 11.4vw, 3.1rem);
    line-height: 1.02;
    overflow-wrap: break-word;
  }

  h2 {
    font-size: clamp(2.2rem, 12vw, 3.4rem);
  }

  .eyebrow {
    font-size: 0.66rem;
    letter-spacing: 0.22em;
  }

  .hero-lead {
    margin-bottom: 22px;
    font-size: 0.98rem;
    line-height: 1.62;
  }

  .hero-proof {
    margin-bottom: 22px;
  }

  .hero-proof span {
    min-height: 31px;
    font-size: 0.62rem;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .button {
    min-height: 50px;
  }

  .coupon-card {
    display: none;
    padding: 18px;
  }

  .coupon-top strong {
    font-size: 2.6rem;
  }

  .hero-render-card {
    width: 100%;
    max-width: none;
    margin-top: 8px;
  }

  .hero-render-card img {
    aspect-ratio: 16 / 7.4;
  }

  .hero-strip {
    overflow-x: auto;
  }

  .hero-strip span {
    flex: 0 0 44%;
  }

  .intro-panel,
  .film-grid,
  .service-grid,
  .process-layout,
  .quote-form {
    grid-template-columns: 1fr;
  }

  .metric {
    min-height: 132px;
  }

  .film-card,
  .film-card.featured {
    min-height: 430px;
  }

  .film-card.wide {
    grid-column: auto;
  }

  .service-card.large {
    grid-column: auto;
  }

  .service-card.wide {
    grid-column: auto;
  }

  .model-stage {
    min-height: 100svh;
  }

  .model-copy {
    top: 132px;
  }

  .model-overlay {
    left: 18px;
    right: 18px;
    bottom: 18px;
    width: auto;
  }

  .tint-controls {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .process-copy {
    min-height: 300px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}