:root {
  --paper: #f7f3eb;
  --surface: #fffaf1;
  --ink: #231f1a;
  --muted: #72695f;
  --line: rgba(60, 49, 38, 0.18);
  --oxblood: #6c2428;
  --green: #21483c;
  --brass: #b08a45;
  --blue: #234154;
  --shadow: 0 18px 50px rgba(28, 23, 18, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Songti SC", "Noto Serif SC", Georgia, serif;
}

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

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

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px clamp(18px, 4vw, 56px);
  color: #fff;
  background: linear-gradient(to bottom, rgba(20, 17, 14, 0.72), rgba(20, 17, 14, 0));
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.48);
  font-family: Georgia, serif;
  font-size: 15px;
  background: rgba(15, 13, 11, 0.36);
}

.brand strong,
.brand small {
  display: block;
}

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

.brand small {
  margin-top: 2px;
  font-family: Georgia, serif;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.72);
}

.nav {
  display: flex;
  gap: 20px;
  font-size: 14px;
}

.nav a {
  color: rgba(255, 255, 255, 0.86);
}

.hero {
  position: relative;
  min-height: 92vh;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 120px clamp(20px, 6vw, 88px) 90px;
  color: #fff;
  background: #1b1713;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(20, 15, 12, 0.82) 0%, rgba(20, 15, 12, 0.52) 42%, rgba(20, 15, 12, 0.12) 100%),
    linear-gradient(0deg, rgba(20, 15, 12, 0.58), rgba(20, 15, 12, 0.08));
}

.hero picture,
.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero img {
  object-fit: cover;
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(760px, 100%);
}

.eyebrow,
.section-label {
  margin: 0 0 14px;
  color: var(--brass);
  font-family: Georgia, serif;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(44px, 9vw, 112px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(28px, 4vw, 54px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.lead {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(17px, 2vw, 24px);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button,
.filter {
  border: 1px solid var(--line);
  cursor: pointer;
  font: inherit;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  font-size: 14px;
}

.button.primary {
  border-color: var(--brass);
  background: var(--brass);
  color: #1d1712;
}

.button.ghost {
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
}

.section {
  padding: clamp(58px, 8vw, 112px) clamp(18px, 5vw, 72px);
}

.intro-grid,
.section-head,
.collaboration-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.85fr) minmax(280px, 1.15fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: start;
  max-width: 1280px;
  margin: 0 auto;
}

.intro-text {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}

.section-head {
  align-items: end;
  margin-bottom: 34px;
}

.section-head p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.atmosphere-grid {
  display: flex;
  gap: 16px;
  max-width: 1440px;
  margin: 0 auto;
  overflow-x: auto;
  padding: 0 0 18px;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--brass) rgba(60, 49, 38, 0.12);
}

.atmosphere-item {
  flex: 0 0 auto;
  height: clamp(360px, 48vw, 620px);
  overflow: hidden;
  padding: 10px;
  background: #efe7d9;
  border: 1px solid rgba(60, 49, 38, 0.16);
  box-shadow: 0 16px 36px rgba(28, 23, 18, 0.08);
  scroll-snap-align: start;
}

.atmosphere-item img {
  width: auto;
  max-width: none;
  height: 100%;
  object-fit: contain;
  transition: transform 0.5s ease;
}

.atmosphere-item:hover img {
  transform: scale(1.04);
}

.designer-section {
  padding-top: 40px;
}

.designer-band {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(300px, 1.2fr);
  gap: 40px;
  align-items: start;
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(30px, 5vw, 58px);
  color: #f7efe4;
  background: linear-gradient(135deg, var(--green), var(--blue));
}

.designer-list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: rgba(255, 255, 255, 0.86);
  font-size: 17px;
  line-height: 1.6;
}

.designer-list li {
  padding-left: 18px;
  border-left: 2px solid var(--brass);
}

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

.category {
  min-height: 170px;
  padding: 24px;
  color: #fff;
  background: var(--oxblood);
}

.category:nth-child(2) {
  background: var(--green);
}

.category:nth-child(3) {
  background: var(--blue);
}

.category strong {
  display: block;
  font-size: 30px;
  margin-bottom: 22px;
}

.category span {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.7;
}

.sticky-head {
  position: sticky;
  top: 0;
  z-index: 12;
  padding-top: 18px;
  padding-bottom: 18px;
  background: rgba(247, 243, 235, 0.92);
  backdrop-filter: blur(10px);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.filter {
  min-height: 36px;
  padding: 0 14px;
  background: transparent;
  color: var(--muted);
}

.filter.active {
  color: #fff;
  border-color: var(--green);
  background: var(--green);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 1440px;
  margin: 0 auto;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--line);
}

.product-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #e6ded0;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.035);
}

.product-body {
  padding: 18px;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 13px;
}

.product-title {
  margin-bottom: 14px;
  font-size: 23px;
  line-height: 1.25;
}

.specs {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.specs b {
  color: var(--ink);
  font-weight: 600;
}

.thumb-row {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

.thumb-row button {
  width: 58px;
  aspect-ratio: 1;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}

.thumb-row img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.collaboration-section {
  background: #eee5d7;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.steps div {
  padding: 22px;
  border-top: 3px solid var(--brass);
  background: rgba(255, 250, 241, 0.72);
}

.steps span {
  display: block;
  margin-bottom: 16px;
  color: var(--oxblood);
  font-family: Georgia, serif;
}

.steps p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.7;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(280px, 1.1fr);
  gap: 36px;
  padding: clamp(58px, 8vw, 112px) clamp(18px, 5vw, 72px);
  color: #fff;
  background: #211c18;
}

.contact-copy,
.contact-details {
  max-width: 640px;
}

.contact-copy p {
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.75;
}

.contact-details {
  display: grid;
  gap: 1px;
  align-self: start;
  background: rgba(255, 255, 255, 0.13);
}

.contact-details p {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 22px;
  margin: 0;
  padding: 18px;
  background: #2c2620;
}

.contact-details strong {
  color: var(--brass);
}

.contact-details span {
  color: rgba(255, 255, 255, 0.82);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  place-items: center;
  padding: 28px;
  background: rgba(12, 10, 8, 0.86);
}

.lightbox.open {
  display: grid;
}

.lightbox img {
  max-width: min(1100px, 94vw);
  max-height: 88vh;
  box-shadow: var(--shadow);
}

.close {
  position: fixed;
  top: 16px;
  right: 22px;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 50%;
  color: #fff;
  background: rgba(0, 0, 0, 0.2);
  font-size: 28px;
  cursor: pointer;
}

@media (max-width: 980px) {
  .nav {
    display: none;
  }

  .intro-grid,
  .section-head,
  .designer-band,
  .collaboration-layout,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .product-grid,
  .category-grid,
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .atmosphere-grid {
    max-width: none;
    margin-right: -18px;
  }

  .sticky-head {
    position: relative;
  }

  .filters {
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  .topbar {
    padding: 12px 16px;
  }

  .hero {
    min-height: 88vh;
    padding: 110px 18px 70px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    justify-content: center;
  }

  .section {
    padding: 48px 16px;
  }

  .product-grid,
  .category-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .atmosphere-item {
    height: 420px;
    padding: 8px;
  }

  .contact-details p {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}