:root {
  --black: #090909;
  --graphite: #151515;
  --ink: #f7f1e8;
  --muted: #b8afa3;
  --gold: #d7b56d;
  --gold-soft: #f4dfaa;
  --rose: #e9b5c1;
  --porcelain: #eee9e1;
  --line: rgba(255, 255, 255, .12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: var(--black);
}

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

.site-header {
  position: fixed;
  z-index: 30;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px clamp(22px, 5vw, 78px);
  background: linear-gradient(180deg, rgba(9, 9, 9, .72), rgba(9, 9, 9, .34));
  border-bottom: 1px solid rgba(255, 255, 255, .1);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: #15110a;
  background: linear-gradient(135deg, #fff2cf, var(--gold));
  font-weight: 800;
}

.brand span:last-child {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand strong {
  font-size: 15px;
  letter-spacing: 0;
}

.brand small,
.eyebrow {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0;
  text-transform: uppercase;
}

.reg {
  position: relative;
  top: -.42em;
  margin-left: 1px;
  font-size: .58em;
  line-height: 0;
}

.heading-reg {
  top: -.62em;
  color: var(--gold);
  font-size: .28em;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 38px);
  color: rgba(247, 241, 232, .76);
  font-size: 14px;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 126px clamp(22px, 5vw, 78px) 70px;
  background:
    linear-gradient(90deg, rgba(9, 9, 9, .96) 0%, rgba(9, 9, 9, .84) 36%, rgba(9, 9, 9, .32) 64%, rgba(9, 9, 9, .12) 100%),
    url("assets/hero-generated-base.png") center right / cover no-repeat,
    #0a0a0a;
}

.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(90deg, black, transparent 76%);
  pointer-events: none;
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 22vh;
  content: "";
  background: linear-gradient(0deg, rgba(9, 9, 9, .86), transparent);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(640px, 50vw);
}

.hero h1,
.manifesto h2,
.language-hero h2,
.section-copy h2,
.family h2,
.contact h2 {
  margin: 0;
  font-weight: 560;
  letter-spacing: 0;
}

.hero h1 {
  margin-top: 18px;
  font-size: clamp(54px, 6.5vw, 98px);
  line-height: .98;
}

.hero p:not(.eyebrow) {
  max-width: 560px;
  margin: 28px 0 0;
  color: rgba(247, 241, 232, .74);
  font-size: clamp(17px, 1.8vw, 22px);
  line-height: 1.85;
}

.hero-signature {
  position: absolute;
  z-index: 2;
  right: clamp(22px, 5vw, 78px);
  bottom: 34px;
  color: rgba(247, 241, 232, .48);
  font-size: 12px;
  letter-spacing: 0;
}

.manifesto {
  padding: 112px clamp(22px, 7vw, 126px);
  background: var(--porcelain);
  color: #151515;
}

.manifesto .eyebrow,
.family .eyebrow {
  color: #9a7231;
}

.manifesto h2,
.language-hero h2,
.section-copy h2,
.family h2,
.contact h2 {
  max-width: 1180px;
  font-size: clamp(34px, 5vw, 72px);
  line-height: 1.12;
}

.manifesto-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 5vw, 80px);
  max-width: 1120px;
  margin-top: 48px;
  color: #5c554e;
  font-size: 18px;
  line-height: 1.9;
}

.language {
  position: relative;
  padding: 112px clamp(22px, 5vw, 78px);
  background:
    radial-gradient(circle at 78% 12%, rgba(215, 181, 109, .18), transparent 28rem),
    linear-gradient(180deg, #111 0%, #080808 100%);
}

.language-hero {
  display: grid;
  grid-template-columns: .46fr 1fr;
  gap: clamp(22px, 5vw, 78px);
  align-items: start;
  margin-bottom: 42px;
}

.language-hero p:not(.eyebrow) {
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.86;
}

.language-board {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1px;
  min-height: 430px;
  border: 1px solid var(--line);
  background: var(--line);
}

.tone {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  padding: 30px;
  background: #141414;
}

.tone::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: .9;
}

.tone::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, .72) 100%);
}

.tone > * {
  position: relative;
  z-index: 2;
}

.tone span {
  color: var(--gold);
  font-size: 12px;
}

.tone strong {
  margin-top: 16px;
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 560;
}

.tone p {
  max-width: 380px;
  color: rgba(247, 241, 232, .72);
  line-height: 1.78;
}

.tone-dark::before {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .08), transparent 42%),
    url("assets/hero-generated-base.png") 52% 54% / 190% no-repeat;
  filter: saturate(.78) brightness(.72);
}

.tone-gold::before {
  background:
    radial-gradient(circle at 65% 34%, rgba(244, 223, 170, .92), transparent 9rem),
    radial-gradient(circle at 18% 78%, rgba(215, 181, 109, .55), transparent 12rem),
    linear-gradient(135deg, #2a2114, #070707);
}

.tone-blush::before {
  background:
    linear-gradient(135deg, rgba(233, 181, 193, .65), transparent 36%),
    url("assets/product-6.jpg") center 70% / 175% no-repeat;
  filter: saturate(.9) brightness(.76);
}

.experience {
  padding: 112px clamp(22px, 5vw, 78px);
  background:
    linear-gradient(180deg, rgba(9, 9, 9, .88), rgba(9, 9, 9, .98)),
    url("assets/product-10.jpg") center / cover;
}

.section-copy {
  display: grid;
  grid-template-columns: .46fr 1fr;
  gap: clamp(22px, 5vw, 78px);
  align-items: start;
  margin-bottom: 42px;
}

.experience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 42px;
  border: 1px solid var(--line);
  background: var(--line);
}

.experience-grid article {
  min-height: 320px;
  padding: 34px;
  background: rgba(13, 13, 13, .82);
  backdrop-filter: blur(12px);
}

.experience-grid span {
  color: var(--gold);
  font-size: 13px;
}

.experience-grid h3 {
  margin: 78px 0 18px;
  font-size: 32px;
  font-weight: 560;
}

.experience-grid p,
.contact p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.82;
}

.family {
  padding: 112px clamp(22px, 5vw, 78px);
  background: var(--porcelain);
  color: #151515;
}

.family-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 48px;
  background: rgba(21, 21, 21, .18);
  border: 1px solid rgba(21, 21, 21, .18);
}

.family-list div {
  min-height: 210px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 10px;
  padding: 24px;
  background: #f8f3ed;
}

.family-list strong {
  font-size: 25px;
  font-weight: 560;
}

.family-list span {
  color: #635c55;
}

.contact {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 36px;
  padding: 104px clamp(22px, 5vw, 78px);
  background: #0d0d0d;
}

.contact div {
  max-width: 860px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  color: #15110a;
  background: linear-gradient(135deg, #fff2cf, var(--gold));
  font-weight: 700;
  white-space: nowrap;
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(22px, 5vw, 78px);
  color: rgba(247, 241, 232, .6);
  border-top: 1px solid var(--line);
  background: #090909;
}

@media (max-width: 920px) {
  .site-header {
    position: absolute;
  }

  nav {
    display: none;
  }

  .hero {
    min-height: 920px;
    align-items: flex-start;
    background:
      linear-gradient(180deg, rgba(9, 9, 9, .94) 0%, rgba(9, 9, 9, .76) 42%, rgba(9, 9, 9, .18) 72%, rgba(9, 9, 9, .84) 100%),
      url("assets/hero-generated-base.png") 64% bottom / auto 58% no-repeat,
      #090909;
  }

  .hero-copy {
    width: 100%;
  }

  .language-hero,
  .section-copy,
  .manifesto-grid,
  .language-board,
  .experience-grid,
  .family-list {
    grid-template-columns: 1fr;
  }

  .tone {
    min-height: 330px;
  }

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

@media (max-width: 560px) {
  .hero {
    min-height: 820px;
    padding-top: 118px;
  }

  .hero h1 {
    font-size: 44px;
  }

  .manifesto,
  .language,
  .experience,
  .family,
  .contact {
    padding-top: 76px;
    padding-bottom: 76px;
  }
}