:root {
  --ink: #10211f;
  --muted: #60706e;
  --paper: #fbfaf5;
  --white: #ffffff;
  --line: #dbe5df;
  --ocean: #0f766e;
  --deep: #134e4a;
  --sun: #f4c35b;
  --coral: #e76f51;
  --sage: #dbe9dc;
  --mist: #eef6f1;
  --shadow: 0 24px 80px rgba(16, 33, 31, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Noto Sans SC", sans-serif;
}

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

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

.site-header {
  align-items: center;
  background: rgba(251, 250, 245, 0.9);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(219, 229, 223, 0.85);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 64px);
  position: sticky;
  top: 0;
  z-index: 20;
}

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

.brand-logo {
  height: 42px;
  object-fit: contain;
  width: auto;
}

.nav-links {
  align-items: center;
  display: flex;
  gap: clamp(16px, 3vw, 34px);
}

.nav-links a,
.header-action {
  font-size: 14px;
  font-weight: 800;
}

.header-action {
  background: var(--ink);
  border-radius: 999px;
  color: var(--white);
  padding: 11px 18px;
}

.hero {
  display: grid;
  gap: clamp(32px, 5vw, 72px);
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  min-height: calc(100vh - 72px);
  padding: clamp(44px, 6vw, 92px) clamp(18px, 5vw, 72px) 38px;
}

.hero-copy {
  align-self: center;
  max-width: 720px;
}

.eyebrow {
  color: var(--ocean);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  margin: 0 0 14px;
  text-transform: uppercase;
}

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

h1 {
  font-size: clamp(43px, 7vw, 84px);
  letter-spacing: 0;
  line-height: 0.98;
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(31px, 4vw, 56px);
  letter-spacing: 0;
  line-height: 1.02;
  margin-bottom: 16px;
}

h3 {
  font-size: 22px;
  letter-spacing: 0;
  line-height: 1.18;
  margin-bottom: 10px;
}

p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.72;
}

.hero-copy p:not(.eyebrow) {
  font-size: 18px;
  max-width: 620px;
}

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

.primary-button,
.secondary-button {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-weight: 900;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
}

.primary-button {
  background: var(--ocean);
  color: var(--white);
}

.secondary-button {
  background: var(--white);
  border: 1px solid var(--line);
}

.top-banner {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.top-banner img {
  aspect-ratio: 5 / 1;
  height: auto;
  max-height: 520px;
  object-fit: cover;
  object-position: center;
  width: 100%;
}

.hero-visual {
  align-self: center;
  background:
    linear-gradient(135deg, rgba(244, 195, 91, 0.35), transparent 42%),
    linear-gradient(315deg, rgba(15, 118, 110, 0.22), transparent 48%),
    var(--mist);
  border-radius: 8px;
  box-shadow: var(--shadow);
  min-height: 500px;
  overflow: hidden;
  padding: clamp(18px, 3vw, 34px);
}

.hero-visual img {
  height: 100%;
  min-height: 430px;
  object-fit: contain;
  width: 100%;
}

.proof-strip {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0 clamp(18px, 5vw, 72px);
}

.proof-strip div {
  border-right: 1px solid var(--line);
  padding: 26px 22px;
}

.proof-strip div:last-child {
  border-right: 0;
}

.proof-strip strong,
.proof-strip span {
  display: block;
}

.proof-strip strong {
  color: var(--deep);
  font-size: 30px;
  margin-bottom: 6px;
}

.proof-strip span {
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: clamp(72px, 9vw, 130px) clamp(18px, 5vw, 72px);
}

.section-heading {
  margin-bottom: 34px;
  max-width: 760px;
}

.products {
  background: var(--white);
}

.product-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: hidden;
  transition:
    box-shadow 180ms ease,
    transform 180ms ease;
}

.product-card:hover {
  box-shadow: 0 18px 52px rgba(16, 33, 31, 0.12);
  transform: translateY(-3px);
}

.product-link {
  background: var(--white);
  display: block;
}

.product-card img {
  aspect-ratio: 1.2 / 0.9;
  background: var(--white);
  object-fit: contain;
  padding: 18px;
  width: 100%;
}

.product-card div {
  padding: 22px;
}

.detail-link {
  color: var(--ocean);
  display: inline-flex;
  font-size: 14px;
  font-weight: 900;
  margin-top: 6px;
}

.product-detail {
  display: grid;
  gap: clamp(30px, 5vw, 72px);
  grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.05fr);
  padding: clamp(44px, 6vw, 92px) clamp(18px, 5vw, 72px) clamp(72px, 9vw, 130px);
}

.detail-media {
  align-self: start;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: clamp(20px, 4vw, 44px);
}

.gallery-main {
  position: relative;
}

.gallery-main img {
  aspect-ratio: 1 / 1;
  object-fit: contain;
  width: 100%;
}

.gallery-button {
  align-items: center;
  background: rgba(16, 33, 31, 0.82);
  border: 0;
  border-radius: 50%;
  color: var(--white);
  cursor: pointer;
  display: inline-flex;
  font-size: 30px;
  font-weight: 700;
  height: 44px;
  justify-content: center;
  line-height: 1;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
}

.gallery-prev {
  left: 0;
}

.gallery-next {
  right: 0;
}

.gallery-counter {
  background: rgba(16, 33, 31, 0.78);
  border-radius: 999px;
  bottom: 12px;
  color: var(--white);
  font-size: 13px;
  font-weight: 900;
  padding: 6px 12px;
  position: absolute;
  right: 12px;
}

.gallery-thumbs {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  margin-top: 18px;
}

.gallery-thumb {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  padding: 6px;
}

.gallery-thumb.active {
  border-color: var(--ocean);
  box-shadow: 0 0 0 2px rgba(15, 118, 110, 0.18);
}

.gallery-thumb img {
  aspect-ratio: 1 / 1;
  object-fit: contain;
  width: 100%;
}

.detail-copy {
  align-self: center;
}

.detail-copy h1 {
  font-size: clamp(36px, 5vw, 64px);
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0;
}

.spec-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 26px;
}

.spec-grid div,
.detail-feature-list li {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.spec-grid div {
  padding: 16px;
}

.spec-grid strong,
.spec-grid span {
  display: block;
}

.spec-grid strong {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 4px;
  text-transform: uppercase;
}

.spec-grid span {
  font-weight: 900;
}

.detail-feature-list {
  display: grid;
  gap: 12px;
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.detail-feature-list li {
  color: var(--muted);
  line-height: 1.6;
  padding: 16px 18px;
}

.aplus-section {
  background: var(--white);
  border-top: 1px solid var(--line);
  padding: clamp(72px, 9vw, 130px) clamp(18px, 5vw, 72px);
}

.aplus-hero {
  align-items: center;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: clamp(20px, 4vw, 46px);
  grid-template-columns: minmax(280px, 1.05fr) minmax(0, 0.95fr);
  margin-bottom: 22px;
  overflow: hidden;
}

.aplus-hero img {
  aspect-ratio: 1.28 / 0.9;
  background: var(--white);
  height: 100%;
  object-fit: contain;
  padding: clamp(16px, 3vw, 34px);
  width: 100%;
}

.aplus-hero div {
  padding: clamp(22px, 4vw, 44px);
  padding-left: 0;
}

.aplus-hero.text-only {
  grid-template-columns: 1fr;
}

.aplus-hero.text-only div {
  padding-left: clamp(22px, 4vw, 44px);
}

.aplus-hero.image-only {
  background: var(--white);
  display: block;
}

.aplus-hero.image-only img {
  aspect-ratio: auto;
  height: auto;
  object-fit: contain;
  padding: 0;
}

.aplus-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.aplus-grid article {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.aplus-grid .description-image-card {
  background: var(--white);
}

.aplus-grid img {
  aspect-ratio: 1.2 / 0.9;
  background: var(--white);
  object-fit: contain;
  padding: 16px;
  width: 100%;
}

.aplus-grid .description-image-card img {
  aspect-ratio: auto;
  height: auto;
  padding: 0;
}

.aplus-grid div {
  padding: 20px;
}

.aplus-grid p,
.aplus-hero p {
  margin-bottom: 0;
}

.aplus-bullets {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-top: 22px;
  padding: clamp(22px, 4vw, 34px);
}

.aplus-bullets ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 20px;
}

.aplus-bullets li {
  color: var(--muted);
  line-height: 1.65;
  padding-left: 4px;
}

.pill {
  color: var(--coral);
  display: inline-block;
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.materials {
  align-items: center;
  display: grid;
  gap: clamp(30px, 5vw, 72px);
  grid-template-columns: minmax(300px, 0.95fr) minmax(0, 1.05fr);
  padding: clamp(72px, 9vw, 130px) clamp(18px, 5vw, 72px);
}

.material-image {
  background: var(--sage);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: clamp(22px, 4vw, 44px);
}

.feature-list {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.feature-list article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
}

.custom {
  background: #f1f5ec;
}

.custom-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, 1fr);
}

.custom-grid div {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
}

.custom-grid span {
  color: var(--ocean);
  font-size: 13px;
  font-weight: 900;
}

.contact {
  align-items: start;
  display: grid;
  gap: clamp(30px, 5vw, 72px);
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.72fr);
  padding: clamp(72px, 9vw, 130px) clamp(18px, 5vw, 72px);
}

.inquiry-form {
  background: var(--ink);
  border-radius: 8px;
  box-shadow: var(--shadow);
  color: var(--white);
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4vw, 34px);
}

.inquiry-form label {
  color: rgba(255, 255, 255, 0.78);
  display: grid;
  font-size: 13px;
  font-weight: 800;
  gap: 8px;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: var(--white);
  font: inherit;
  min-height: 46px;
  padding: 12px 14px;
}

.inquiry-form option {
  color: var(--ink);
}

.inquiry-form textarea {
  resize: vertical;
}

.inquiry-form button {
  background: var(--sun);
  border: 0;
  border-radius: 999px;
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-weight: 900;
  min-height: 50px;
}

.form-note {
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
  line-height: 1.5;
  margin: 0;
}

.site-footer {
  align-items: center;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  padding: 26px clamp(18px, 5vw, 72px);
}

.site-footer span {
  font-weight: 900;
}

.site-footer div {
  display: grid;
  gap: 4px;
  text-align: right;
}

.site-footer p {
  font-size: 13px;
  margin: 0;
}

@media (max-width: 1040px) {
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .nav-links {
    order: 3;
    overflow-x: auto;
    padding-bottom: 3px;
    width: 100%;
  }

  .hero,
  .materials,
  .contact,
  .product-detail,
  .aplus-hero {
    grid-template-columns: 1fr;
  }

  .aplus-hero div {
    padding: 0 clamp(22px, 4vw, 34px) clamp(24px, 4vw, 38px);
  }

  .hero {
    min-height: auto;
  }

  .top-banner img {
    aspect-ratio: 3 / 1;
  }

  .hero-visual {
    min-height: 360px;
  }

  .hero-visual img {
    min-height: 310px;
  }

  .proof-strip,
  .custom-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .proof-strip div:nth-child(2) {
    border-right: 0;
  }

  .proof-strip div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .site-footer div {
    text-align: left;
  }
}

@media (max-width: 560px) {
  .site-header {
    min-height: auto;
  }

  .brand {
    max-width: calc(100vw - 176px);
  }

  .brand-logo {
    height: 34px;
    max-width: 160px;
  }

  .header-action {
    padding: 10px 14px;
  }

  .top-banner img {
    aspect-ratio: 2 / 1;
  }

  .product-grid,
  .aplus-grid,
  .proof-strip,
  .custom-grid,
  .spec-grid,
  .gallery-thumbs {
    grid-template-columns: 1fr;
  }

  .gallery-thumbs {
    display: flex;
    overflow-x: auto;
  }

  .gallery-thumb {
    flex: 0 0 68px;
  }

  .proof-strip div {
    border-bottom: 1px solid var(--line);
    border-right: 0;
  }

  .proof-strip div:last-child {
    border-bottom: 0;
  }
}