:root {
  color-scheme: only light;
  --black: #030303;
  --ink: #171717;
  --muted: #6e6e73;
  --line: rgba(0, 0, 0, 0.12);
  --white: #f7f7f5;
  --snow: #ffffff;
  --gold: #d8a13a;
  --ice: #cfe7f0;
  --steel: #8f9da6;
  --blue: #155a72;
  --accent: #b89052;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: only light;
  background: #f7f7f5;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", "Microsoft YaHei", sans-serif;
}

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

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

.section-dark {
  color: var(--snow);
  background: var(--black);
  background-color: #030303 !important;
  forced-color-adjust: none;
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 50px;
  padding: 0 clamp(16px, 5vw, 64px);
  color: rgba(255, 255, 255, 0.92);
  background: rgba(0, 0, 0, 0.44);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(22px);
  transition: background 220ms ease, color 220ms ease, border-color 220ms ease;
}

.site-header.scrolled {
  color: rgba(20, 20, 20, 0.94);
  background: rgba(247, 247, 245, 0.82);
  border-color: rgba(0, 0, 0, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 114px;
  height: 46px;
}

.brand img {
  width: 100%;
  height: auto;
  filter: invert(1);
  transition: filter 220ms ease;
}

.site-header.scrolled .brand img {
  filter: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  font-size: 13px;
  white-space: nowrap;
}

.nav-links a {
  opacity: 0.82;
}

.nav-links a:hover {
  opacity: 1;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: clamp(14px, 1.25vw, 17px);
  font-weight: 820;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.brand-kicker {
  margin-bottom: 28px;
  font-size: clamp(20px, 2.1vw, 34px);
  letter-spacing: 0.18em;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(42px, 6.6vw, 96px);
  line-height: 1.08;
  font-weight: 760;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 5.2vw, 72px);
  line-height: 1.08;
  font-weight: 740;
  letter-spacing: 0;
}

h3 {
  font-weight: 720;
  letter-spacing: 0;
}

p {
  line-height: 1.68;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 680;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: #0c0c0c;
  background: var(--gold);
  box-shadow: 0 12px 36px rgba(184, 144, 82, 0.28);
}

.button-secondary {
  color: var(--snow);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.home-hero {
  display: grid;
  grid-template-columns: minmax(300px, 0.82fr) minmax(360px, 1.18fr);
  align-items: center;
  gap: clamp(24px, 4vw, 70px);
  min-height: 100vh;
  padding: 90px clamp(18px, 5vw, 78px) 54px;
  overflow: hidden;
}

.home-hero::before,
.product-hero::before {
  position: absolute;
  inset: auto -10% -30% 38%;
  height: 58vh;
  content: "";
  background: radial-gradient(circle, rgba(207, 231, 240, 0.22), transparent 62%);
  pointer-events: none;
}

.home-hero,
.product-hero {
  position: relative;
}

.home-hero-copy {
  position: relative;
  z-index: 2;
}

.home-hero-copy p,
.product-copy p,
.section-title p,
.contact p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.74);
  font-size: clamp(18px, 2vw, 23px);
}

.section-light .section-title p,
.contact p {
  color: var(--muted);
}

.home-hero-image {
  position: relative;
  z-index: 1;
}

.home-hero-image img {
  width: min(900px, 100%);
  margin-left: auto;
  filter: drop-shadow(0 34px 74px rgba(184, 144, 82, 0.24));
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.narrative-hero {
  position: relative;
  min-height: 188vh;
  overflow: clip;
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 255, 255, 0.14), transparent 28%),
    radial-gradient(circle at 18% 72%, rgba(216, 161, 58, 0.14), transparent 24%),
    radial-gradient(circle at 82% 66%, rgba(207, 231, 240, 0.16), transparent 28%),
    linear-gradient(180deg, #030303 0%, #080808 58%, #f7f7f5 100%);
}

.hero-sticky {
  position: sticky;
  top: 0;
  display: grid;
  place-items: center;
  height: 100vh;
  min-height: 720px;
  padding: 96px clamp(18px, 6vw, 92px) 64px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 50% 54%, rgba(2, 6, 11, 0.54) 0%, rgba(2, 6, 11, 0.32) 34%, rgba(2, 6, 11, 0.06) 68%),
    linear-gradient(180deg, rgba(2, 7, 13, 0.06) 0%, rgba(2, 7, 13, 0.18) 48%, rgba(2, 5, 9, 0.5) 100%),
    url("assets/snow-mountain-home-20260805.webp") 56% center / cover no-repeat;
}

.narrative-copy {
  position: relative;
  z-index: 4;
  max-width: 1180px;
  margin: 0 auto;
  text-align: center;
}

.narrative-title,
.narrative-intro {
  transition: opacity 720ms ease, transform 720ms ease, filter 720ms ease;
}

.narrative-title {
  margin-right: auto;
  margin-left: auto;
  max-width: 1080px;
  font-size: clamp(42px, 5.6vw, 80px);
  line-height: 1.18;
  font-weight: 740;
  text-wrap: balance;
  text-shadow: 0 18px 52px rgba(0, 0, 0, 0.42);
}

.narrative-intro {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(940px, 88vw);
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(21px, 2.6vw, 34px);
  line-height: 1.72;
  font-weight: 520;
  text-wrap: balance;
  opacity: 0;
  transform: translate(-50%, 46px);
  filter: blur(10px);
}

.narrative-hero.is-intro .narrative-title {
  opacity: 0;
  transform: translateY(-44px) scale(0.97);
  filter: blur(10px);
}

.narrative-hero.is-intro .narrative-intro {
  opacity: 1;
  transform: translate(-50%, -36%);
  filter: blur(0);
}

.mountain-lines {
  display: none;
}

.mountain-illustration {
  display: none;
}

.narrative-hero.is-intro .mountain-illustration {
  opacity: 1;
}

.mountain-layer {
  transform-box: fill-box;
  transform-origin: center bottom;
}

.mountain-far {
  opacity: 0.42;
  transform: translateY(calc(var(--narrative-progress, 0) * -10px));
}

.mountain-mid {
  opacity: 0.66;
  transform: translateY(calc(var(--narrative-progress, 0) * -20px));
}

.mountain-front {
  opacity: 0.92;
  transform: translateY(calc(var(--narrative-progress, 0) * -30px));
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.hero-atmosphere span {
  position: absolute;
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  filter: blur(0.2px);
  opacity: 0.44;
  transform: translateY(calc(var(--narrative-progress, 0) * -30px));
}

.hero-atmosphere span:nth-child(1) {
  left: 8vw;
  top: 24vh;
  width: 22vw;
  height: 22vw;
}

.hero-atmosphere span:nth-child(2) {
  right: 9vw;
  top: 18vh;
  width: 14vw;
  height: 14vw;
  border-color: rgba(216, 161, 58, 0.2);
}

.hero-atmosphere span:nth-child(3) {
  right: 22vw;
  bottom: 20vh;
  width: 8vw;
  height: 8vw;
  border-color: rgba(207, 231, 240, 0.26);
}

.ridge {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 120vw;
  height: 100%;
  transform: translateX(-50%);
  clip-path: polygon(0 78%, 9% 63%, 14% 70%, 22% 46%, 28% 59%, 36% 34%, 43% 58%, 50% 38%, 56% 62%, 64% 44%, 70% 57%, 80% 35%, 88% 58%, 100% 43%, 100% 100%, 0 100%);
  background:
    linear-gradient(112deg, transparent 0 44%, rgba(255, 255, 255, 0.86) 44% 45.2%, transparent 45.2%),
    linear-gradient(68deg, transparent 0 50%, rgba(89, 154, 181, 0.9) 50% 51.2%, transparent 51.2%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(107, 169, 194, 0.1) 42%, rgba(255, 255, 255, 0.02));
  filter: drop-shadow(0 18px 20px rgba(0, 0, 0, 0.22));
}

.ridge::before,
.ridge::after {
  position: absolute;
  inset: 0;
  content: "";
  clip-path: inherit;
}

.ridge::before {
  background:
    linear-gradient(125deg, transparent 0 36%, rgba(255, 255, 255, 0.82) 36% 38%, transparent 38%),
    linear-gradient(236deg, transparent 0 54%, rgba(207, 231, 240, 0.72) 54% 56%, transparent 56%);
  transform: translateY(-7px);
}

.ridge::after {
  background:
    linear-gradient(0deg, transparent 0 66%, rgba(255, 255, 255, 0.72) 66% 67%, transparent 67%),
    linear-gradient(90deg, transparent 0 22%, rgba(82, 151, 181, 0.72) 22% 23%, transparent 23% 47%, rgba(255, 255, 255, 0.58) 47% 48%, transparent 48% 74%, rgba(82, 151, 181, 0.65) 74% 75%, transparent 75%);
  opacity: 0.68;
}

.ridge-back {
  bottom: 158px;
  opacity: 0.28;
  transform: translateX(-50%) scale(0.86, 0.52);
}

.ridge-mid {
  bottom: 74px;
  opacity: 0.46;
  transform: translateX(-50%) scale(1.02, 0.72);
}

.ridge-front {
  opacity: 0.62;
  transform: translateX(-50%) scale(1.08, 0.95);
}

.snow-field {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.snow-field::before,
.snow-field::after {
  position: absolute;
  inset: -20%;
  content: "";
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.66) 0 1.25px, transparent 1.9px),
    radial-gradient(circle, rgba(207, 231, 240, 0.52) 0 1.1px, transparent 1.9px);
  background-position: 0 0, 42px 70px;
  background-size: 160px 180px, 220px 240px;
  opacity: 0.34;
  animation: snowfallLayer 22s linear infinite;
}

.snow-field::after {
  opacity: 0.2;
  background-size: 280px 260px, 340px 320px;
  animation-duration: 34s;
  animation-direction: reverse;
}

.snow-field i {
  position: absolute;
  width: 3px;
  height: 3px;
  background: rgba(255, 255, 255, 0.74);
  border-radius: 50%;
  box-shadow: 0 0 18px rgba(207, 231, 240, 0.55);
  animation: snowDrift 8s linear infinite;
}

.snow-field i:nth-child(1) {
  left: 12%;
  top: 18%;
}

.snow-field i:nth-child(2) {
  left: 28%;
  top: 32%;
  animation-delay: -2s;
}

.snow-field i:nth-child(3) {
  left: 48%;
  top: 12%;
  animation-delay: -4s;
}

.snow-field i:nth-child(4) {
  left: 66%;
  top: 26%;
  animation-delay: -1s;
}

.snow-field i:nth-child(5) {
  left: 82%;
  top: 18%;
  animation-delay: -5s;
}

.snow-field i:nth-child(6) {
  left: 90%;
  top: 42%;
  animation-delay: -3s;
}

.summit-mark {
  display: none;
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 28px;
  z-index: 5;
  width: 1px;
  height: 54px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.18);
}

.scroll-cue span {
  display: block;
  width: 1px;
  height: 22px;
  background: var(--gold);
  animation: scrollCue 1.6s ease-in-out infinite;
}

.origin-story {
  padding: clamp(96px, 12vw, 168px) clamp(18px, 5vw, 78px);
}

.origin-grid {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(420px, 1.1fr);
  gap: clamp(38px, 6vw, 96px);
  align-items: start;
  max-width: 1260px;
  margin: 0 auto clamp(42px, 6vw, 86px);
}

.origin-copy h2 {
  margin-bottom: 0;
  max-width: 680px;
  font-size: clamp(34px, 3.45vw, 52px);
  line-height: 1.26;
  text-wrap: balance;
}

.origin-copy h2 span {
  display: block;
  white-space: nowrap;
}

.origin-text p {
  color: var(--muted);
  max-width: 760px;
  font-size: clamp(18px, 1.72vw, 21px);
  line-height: 2;
  text-wrap: pretty;
}

.origin-text strong {
  color: var(--ink);
  font-size: 1.08em;
  font-weight: 760;
}

.system-ribbon {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  max-width: 1260px;
  margin: 0 auto clamp(42px, 6vw, 86px);
  overflow: hidden;
  border-radius: 28px;
  background: rgba(0, 0, 0, 0.1);
}

.system-ribbon article {
  min-height: 190px;
  padding: clamp(22px, 2.6vw, 34px);
  background:
    radial-gradient(circle at 82% 18%, rgba(207, 231, 240, 0.48), transparent 38%),
    #ffffff;
}

.system-ribbon span {
  display: block;
  margin-bottom: 34px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 840;
  letter-spacing: 0.1em;
}

.system-ribbon strong {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: clamp(22px, 2.2vw, 30px);
  line-height: 1.18;
}

.system-ribbon p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.manifesto {
  padding: clamp(72px, 10vw, 140px) clamp(18px, 5vw, 78px);
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(184, 144, 82, 0.2), transparent 30%, rgba(207, 231, 240, 0.13) 72%, transparent),
    var(--black);
}

.manifesto-line {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  max-width: 1180px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.12);
}

.manifesto-line span {
  display: grid;
  place-items: center;
  min-height: 170px;
  padding: 22px;
  color: rgba(255, 255, 255, 0.88);
  background: rgba(255, 255, 255, 0.05);
  font-size: clamp(20px, 3vw, 36px);
  font-weight: 740;
  text-align: center;
}

.belief,
.product-catalog,
.contact,
.color-section,
.detail-specs {
  padding: clamp(76px, 11vw, 150px) clamp(18px, 5vw, 78px);
}

.section-title {
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.section-title h2 {
  line-height: 1.14;
}

.section-title p {
  margin-right: auto;
  margin-left: auto;
}

.belief-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 1180px;
  margin: clamp(36px, 5vw, 64px) auto 0;
  overflow: hidden;
  border-radius: 24px;
  background: var(--line);
}

.belief-item {
  min-height: 280px;
  padding: clamp(26px, 3vw, 38px);
  background: var(--snow);
}

.belief-item span,
.story-text span {
  color: var(--gold);
  font-size: 13px;
  font-weight: 820;
}

.belief-item h3 {
  margin: 48px 0 14px;
  font-size: clamp(25px, 2.6vw, 36px);
  line-height: 1.16;
}

.belief-item p,
.catalog-card p,
.spec-card p {
  color: var(--muted);
  line-height: 1.72;
}

.product-catalog {
  background:
    radial-gradient(circle at 74% 18%, rgba(184, 144, 82, 0.14), transparent 32%),
    var(--black);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  max-width: 1200px;
  margin: clamp(38px, 5vw, 68px) auto 0;
}

.catalog-card {
  position: relative;
  min-height: 330px;
  padding: 24px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.105), rgba(255, 255, 255, 0.035));
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

.catalog-card:hover {
  transform: translateY(-4px);
  border-color: rgba(184, 144, 82, 0.68);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.045));
}

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

.catalog-card h3 {
  position: relative;
  z-index: 2;
  margin: 18px 0 8px;
  font-size: clamp(24px, 3vw, 42px);
}

.catalog-card p {
  position: relative;
  z-index: 2;
  max-width: 360px;
  color: rgba(255, 255, 255, 0.64);
}

.catalog-helmet {
  position: absolute;
  right: -10%;
  bottom: 16%;
  width: min(580px, 86%);
  opacity: 0.96;
}

.status {
  position: relative;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  color: var(--ice);
  background: rgba(207, 231, 240, 0.14);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 740;
}

.status.ready {
  color: #0b0b0b;
  background: var(--gold);
}

.line-art {
  --line-color: rgba(255, 255, 255, 0.84);
  --line-width: 3px;
  position: relative;
  width: 220px;
  height: 150px;
  color: var(--line-color);
}

.catalog-card .line-art {
  position: absolute;
  right: 20px;
  bottom: 68px;
  transform: scale(0.92);
  opacity: 0.78;
}

.line-art::before,
.line-art::after,
.line-art span,
.line-art span::before,
.line-art span::after {
  position: absolute;
  display: block;
  content: "";
  border-color: currentColor;
}

.line-goggles::before {
  left: 18px;
  top: 40px;
  width: 184px;
  height: 66px;
  border: var(--line-width) solid currentColor;
  border-radius: 42px 42px 34px 34px;
}

.line-goggles::after {
  left: 62px;
  top: 56px;
  width: 96px;
  height: 34px;
  border: var(--line-width) solid currentColor;
  border-radius: 24px;
  opacity: 0.7;
}

.line-goggles span::before,
.line-goggles span::after {
  top: 34px;
  width: 42px;
  height: 16px;
  border-top: var(--line-width) solid currentColor;
}

.line-goggles span::before {
  left: 0;
  transform: rotate(-16deg);
}

.line-goggles span::after {
  right: 0;
  transform: rotate(16deg);
}

.line-skis::before,
.line-skis::after {
  top: 14px;
  width: 28px;
  height: 128px;
  border: var(--line-width) solid currentColor;
  border-top-left-radius: 24px;
  border-top-right-radius: 24px;
  transform: rotate(14deg);
}

.line-skis::before {
  left: 72px;
}

.line-skis::after {
  left: 120px;
}

.line-skis span::before,
.line-skis span::after {
  top: 78px;
  width: 84px;
  border-top: var(--line-width) solid currentColor;
  transform: rotate(14deg);
}

.line-skis span::before {
  left: 52px;
}

.line-skis span::after {
  left: 86px;
}

.line-binding::before {
  left: 48px;
  top: 48px;
  width: 124px;
  height: 58px;
  border: var(--line-width) solid currentColor;
  border-radius: 22px;
}

.line-binding::after {
  left: 78px;
  top: 28px;
  width: 64px;
  height: 96px;
  border: var(--line-width) solid currentColor;
  border-radius: 32px;
  transform: rotate(-12deg);
}

.line-binding span::before {
  left: 42px;
  top: 118px;
  width: 136px;
  border-top: var(--line-width) solid currentColor;
}

.line-boots::before {
  left: 64px;
  top: 18px;
  width: 68px;
  height: 116px;
  border: var(--line-width) solid currentColor;
  border-radius: 20px 20px 16px 16px;
  transform: skewX(-8deg);
}

.line-boots::after {
  left: 48px;
  top: 92px;
  width: 122px;
  height: 42px;
  border: var(--line-width) solid currentColor;
  border-radius: 12px 34px 18px 18px;
}

.line-boots span::before,
.line-boots span::after {
  left: 78px;
  width: 44px;
  border-top: var(--line-width) solid currentColor;
}

.line-boots span::before {
  top: 48px;
}

.line-boots span::after {
  top: 68px;
}

.line-poles::before,
.line-poles::after {
  top: 12px;
  height: 126px;
  border-left: var(--line-width) solid currentColor;
}

.line-poles::before {
  left: 84px;
  transform: rotate(16deg);
}

.line-poles::after {
  left: 136px;
  transform: rotate(-16deg);
}

.line-poles span::before,
.line-poles span::after {
  top: 126px;
  width: 42px;
  border-top: var(--line-width) solid currentColor;
}

.line-poles span::before {
  left: 54px;
  transform: rotate(16deg);
}

.line-poles span::after {
  left: 124px;
  transform: rotate(-16deg);
}

.line-pack::before {
  left: 64px;
  top: 24px;
  width: 94px;
  height: 116px;
  border: var(--line-width) solid currentColor;
  border-radius: 34px 34px 20px 20px;
}

.line-pack::after {
  left: 86px;
  top: 48px;
  width: 50px;
  height: 34px;
  border: var(--line-width) solid currentColor;
  border-radius: 16px;
}

.line-pack span::before,
.line-pack span::after {
  top: 56px;
  width: 30px;
  height: 72px;
  border-top: var(--line-width) solid currentColor;
  border-bottom: var(--line-width) solid currentColor;
}

.line-pack span::before {
  left: 42px;
  border-left: var(--line-width) solid currentColor;
  border-radius: 18px 0 0 18px;
}

.line-pack span::after {
  right: 42px;
  border-right: var(--line-width) solid currentColor;
  border-radius: 0 18px 18px 0;
}

.line-suit::before {
  left: 76px;
  top: 26px;
  width: 68px;
  height: 112px;
  border: var(--line-width) solid currentColor;
  border-radius: 22px 22px 16px 16px;
}

.line-suit::after {
  left: 48px;
  top: 44px;
  width: 124px;
  height: 48px;
  border-top: var(--line-width) solid currentColor;
  border-left: var(--line-width) solid currentColor;
  border-right: var(--line-width) solid currentColor;
  border-radius: 44px 44px 0 0;
}

.line-suit span::before,
.line-suit span::after {
  top: 110px;
  width: 42px;
  height: 34px;
  border-bottom: var(--line-width) solid currentColor;
}

.line-suit span::before {
  left: 74px;
  border-left: var(--line-width) solid currentColor;
}

.line-suit span::after {
  right: 74px;
  border-right: var(--line-width) solid currentColor;
}

.product-hero {
  display: grid;
  grid-template-columns: minmax(300px, 0.78fr) minmax(360px, 1.22fr);
  align-items: center;
  gap: clamp(28px, 5vw, 78px);
  min-height: 100vh;
  padding: 88px clamp(18px, 5vw, 78px) 54px;
  overflow: hidden;
}

.product-copy {
  position: relative;
  z-index: 2;
}

.product-visual {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-height: clamp(360px, 52vw, 720px);
}

.product-visual::before,
.variant-preview::before {
  position: absolute;
  width: min(560px, 70vw);
  height: min(560px, 70vw);
  content: "";
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 32%, transparent), transparent 62%);
  border-radius: 50%;
  filter: blur(4px);
}

.product-image {
  position: relative;
  z-index: 2;
  width: min(980px, 100%);
  filter: drop-shadow(0 34px 72px rgba(0, 0, 0, 0.42));
  transition: opacity 180ms ease, transform 260ms ease;
}

.product-outline,
.variant-outline {
  display: none;
  z-index: 2;
  transform: scale(1.82);
}

.product-visual.outline-mode .product-image,
.variant-preview.outline-mode img {
  display: none;
}

.product-visual.outline-mode .product-outline,
.variant-preview.outline-mode .variant-outline {
  display: block;
}

.color-section {
  overflow: hidden;
}

.variant-panel {
  display: grid;
  grid-template-columns: minmax(300px, 1.05fr) minmax(280px, 0.95fr);
  gap: clamp(26px, 5vw, 72px);
  align-items: center;
  max-width: 1180px;
  margin: clamp(34px, 5vw, 68px) auto 0;
}

.variant-preview {
  position: relative;
  display: grid;
  place-items: center;
  min-height: clamp(340px, 48vw, 620px);
  overflow: hidden;
  border-radius: 24px;
  background: #0b0b0b;
}

.variant-preview img {
  position: relative;
  z-index: 2;
  width: min(820px, 96%);
  transition: opacity 180ms ease, transform 240ms ease;
}

.variant-preview.switching img,
.product-image.switching {
  opacity: 0;
  transform: scale(0.985);
}

.variant-controls {
  display: grid;
  gap: 14px;
}

.variant-button {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: center;
  width: 100%;
  min-height: 72px;
  padding: 14px;
  color: var(--ink);
  text-align: left;
  background: var(--snow);
  border: 1px solid var(--line);
  border-radius: 18px;
  cursor: pointer;
}

.variant-button.active {
  border-color: color-mix(in srgb, var(--accent) 82%, #000);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.08);
}

.swatch {
  width: 34px;
  height: 34px;
  border: 2px solid rgba(0, 0, 0, 0.12);
  border-radius: 50%;
  background: var(--swatch);
}

.variant-button strong,
.variant-button span {
  display: block;
}

.variant-button strong {
  margin-bottom: 3px;
  font-size: 16px;
}

.variant-button span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.scroll-story {
  padding: clamp(30px, 4vw, 64px) clamp(18px, 5vw, 78px);
}

.story-frame {
  display: grid;
  grid-template-columns: minmax(300px, 0.92fr) minmax(320px, 1.08fr);
  gap: clamp(26px, 5vw, 78px);
  align-items: center;
  min-height: 88vh;
  max-width: 1180px;
  margin: 0 auto;
}

.story-reverse {
  grid-template-columns: minmax(320px, 1.08fr) minmax(300px, 0.92fr);
}

.story-reverse .story-text {
  order: 2;
}

.story-text h2 {
  margin-top: 16px;
}

.story-text p {
  color: rgba(255, 255, 255, 0.68);
  font-size: clamp(18px, 2vw, 22px);
}

.story-visual {
  display: grid;
  place-items: center;
  min-height: 380px;
  border-radius: 24px;
  background:
    radial-gradient(circle, color-mix(in srgb, var(--accent) 20%, transparent), transparent 62%),
    rgba(255, 255, 255, 0.055);
  overflow: hidden;
}

.story-visual .line-art {
  transform: scale(1.72);
}

.float-left {
  animation: floatLeft 6s ease-in-out infinite;
}

.float-right {
  animation: floatRight 6.5s ease-in-out infinite;
}

.color-orbit {
  position: relative;
}

.color-orbit i {
  position: absolute;
  width: 86px;
  height: 86px;
  border-radius: 50%;
  background: var(--gold);
  animation: orbit 7s ease-in-out infinite;
}

.color-orbit i:nth-child(2) {
  background: #e9dfcf;
  animation-delay: -1.5s;
}

.color-orbit i:nth-child(3) {
  background: #cfe7f0;
  animation-delay: -3s;
}

.color-orbit i:nth-child(4) {
  background: #161616;
  border: 1px solid rgba(255, 255, 255, 0.3);
  animation-delay: -4.5s;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 1180px;
  margin: clamp(34px, 5vw, 62px) auto 0;
}

.spec-card {
  min-height: 220px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--snow);
}

.spec-card h3 {
  margin-bottom: 14px;
  font-size: clamp(24px, 3vw, 34px);
}

.contact {
  text-align: center;
}

.contact .button {
  margin-top: 12px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px clamp(20px, 6vw, 86px);
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.footer-logo {
  width: 118px;
  height: auto;
}

.footer-records {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px 22px;
  flex-wrap: wrap;
}

.public-security-record {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.public-security-record img {
  width: 18px;
  height: 20px;
  object-fit: contain;
  flex: 0 0 auto;
}

.site-footer a {
  color: inherit;
  text-decoration: none;
  transition: color 180ms ease;
}

.site-footer a:hover {
  color: var(--ink);
}

.reveal {
  --reveal-distance: 30px;
  opacity: 0;
  transform: translate3d(0, var(--reveal-distance), 0);
  transition:
    opacity 620ms ease,
    transform 620ms cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: 0ms;
}

.reveal.in-view {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition-delay: calc(var(--reveal-order, 0) * 55ms);
}

.reveal:not(.in-view) {
  transition-delay: 0ms;
}

.button.reveal.in-view:hover {
  transform: translateY(-1px);
}

@keyframes floatLeft {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(-1deg);
  }
  50% {
    transform: translate3d(-16px, -18px, 0) rotate(1deg);
  }
}

@keyframes floatRight {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(1deg);
  }
  50% {
    transform: translate3d(16px, -18px, 0) rotate(-1deg);
  }
}

@keyframes orbit {
  0%,
  100% {
    transform: translate(-120px, -40px) scale(0.72);
  }
  25% {
    transform: translate(80px, -96px) scale(1);
  }
  50% {
    transform: translate(120px, 54px) scale(0.82);
  }
  75% {
    transform: translate(-92px, 90px) scale(1.06);
  }
}

@keyframes snowDrift {
  0% {
    transform: translate3d(0, -8px, 0);
    opacity: 0;
  }
  15% {
    opacity: 0.8;
  }
  100% {
    transform: translate3d(-34px, 88px, 0);
    opacity: 0;
  }
}

@keyframes snowfallLayer {
  0% {
    transform: translate3d(0, -4%, 0);
  }
  100% {
    transform: translate3d(-6%, 12%, 0);
  }
}

@keyframes scrollCue {
  0% {
    transform: translateY(-24px);
  }
  100% {
    transform: translateY(58px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 980px) {
  .home-hero,
  .origin-grid,
  .product-hero,
  .variant-panel,
  .story-frame,
  .story-reverse {
    grid-template-columns: 1fr;
  }

  .story-reverse .story-text {
    order: 0;
  }

  .belief-grid,
  .manifesto-line,
  .system-ribbon,
  .spec-grid {
    grid-template-columns: 1fr;
  }

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

  .origin-grid {
    max-width: 760px;
  }

  .origin-copy h2 {
    max-width: 100%;
    font-size: clamp(34px, 6vw, 48px);
  }
}

@media (max-width: 680px) {
  .site-header {
    height: 54px;
    padding: 0 14px;
  }

  .brand {
    width: 96px;
  }

  .nav-links {
    gap: 10px;
    font-size: 11px;
  }

  .home-hero,
  .product-hero {
    padding-top: 82px;
  }

  .hero-sticky {
    min-height: 680px;
    padding-top: 86px;
    background-position: center, center, 61% center;
  }

  h1 {
    font-size: 42px;
  }

  .narrative-intro {
    font-size: 22px;
  }

  .origin-copy h2 {
    font-size: clamp(31px, 9.4vw, 42px);
  }

  .origin-copy h2 span {
    white-space: normal;
  }

  .hero-atmosphere span:nth-child(1) {
    width: 42vw;
    height: 42vw;
  }

  .hero-atmosphere span:nth-child(2) {
    width: 28vw;
    height: 28vw;
  }

  .catalog-grid {
    grid-template-columns: 1fr;
  }

  .catalog-card-wide {
    grid-column: span 1;
  }

  .catalog-card {
    min-height: 300px;
  }

  .product-outline,
  .variant-outline,
  .story-visual .line-art {
    transform: scale(1.25);
  }

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

  .footer-records {
    justify-content: flex-start;
  }
}