:root {
  --ink: #171717;
  --muted: #66645f;
  --paper: #fbfaf7;
  --white: #ffffff;
  --line: #e6e0d7;
  --charcoal: #222322;
  --moss: #51634f;
  --copper: #b66a45;
  --plum: #59445b;
  --gold: #c6a15b;
  --shadow: 0 22px 60px rgba(22, 22, 20, 0.16);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: background 0.25s ease, box-shadow 0.25s ease, color 0.25s ease;
  color: var(--white);
}

.site-header.is-scrolled,
.site-header.light {
  color: var(--ink);
  background: rgba(251, 250, 247, 0.92);
  box-shadow: 0 12px 34px rgba(20, 20, 20, 0.08);
  backdrop-filter: blur(16px);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: grid;
  gap: 0;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.1;
}

.brand small {
  color: currentColor;
  opacity: 0.72;
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  font-weight: 650;
}

.nav-links a {
  position: relative;
  opacity: 0.88;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -7px;
  height: 2px;
  background: var(--copper);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.12);
  color: currentColor;
  border-radius: 999px;
  cursor: pointer;
}

.site-header.is-scrolled .menu-toggle,
.site-header.light .menu-toggle {
  border-color: var(--line);
  background: var(--white);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  margin: 4px auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 760;
  font-size: 14px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
}

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

.btn-primary {
  background: var(--copper);
  color: var(--white);
  box-shadow: 0 16px 34px rgba(182, 106, 69, 0.26);
}

.btn-primary:hover {
  background: #9f5739;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.42);
}

.site-header.is-scrolled .btn-secondary,
.site-header.light .btn-secondary,
.btn-outline {
  color: var(--ink);
  background: var(--white);
  border-color: var(--line);
}

.btn-muted {
  background: #ede8df;
  color: var(--ink);
  border-color: #ddd4c7;
}

.whatsapp-disabled {
  opacity: 0.78;
  cursor: not-allowed;
}

.hero {
  min-height: 92vh;
  display: grid;
  align-items: end;
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: #141414;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 10, 10, 0.74), rgba(10, 10, 10, 0.32) 45%, rgba(10, 10, 10, 0.08)),
    linear-gradient(0deg, rgba(10, 10, 10, 0.72), rgba(10, 10, 10, 0.05) 42%);
  z-index: 1;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: slowZoom 15s ease-in-out infinite alternate;
}

@keyframes slowZoom {
  to { transform: scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 140px 0 76px;
  display: grid;
  grid-template-columns: minmax(0, 780px) minmax(260px, 340px);
  gap: 46px;
  align-items: end;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: currentColor;
}

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

h1 {
  margin-bottom: 22px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(48px, 8vw, 92px);
  line-height: 0.95;
  letter-spacing: 0;
  max-width: 760px;
}

h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1.03;
  letter-spacing: 0;
  margin-bottom: 16px;
}

h3 {
  font-size: 20px;
  line-height: 1.22;
  margin-bottom: 10px;
}

.hero-copy {
  max-width: 620px;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.84);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-panel {
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
  border-radius: var(--radius);
  padding: 22px;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.metric strong {
  display: block;
  font-size: 28px;
  line-height: 1;
  color: var(--white);
}

.metric span {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
}

.trust-strip {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
}

.trust-grid span {
  min-height: 78px;
  display: grid;
  place-items: center;
  padding: 18px;
  text-align: center;
  font-weight: 800;
  color: var(--charcoal);
  background: linear-gradient(180deg, #ffffff, #f5f1eb);
}

.section {
  padding: 96px 24px;
}

.section.tight {
  padding: 68px 24px;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 28px;
  margin-bottom: 34px;
}

.section-head p {
  max-width: 480px;
  color: var(--muted);
}

.band-dark {
  background: var(--charcoal);
  color: var(--white);
}

.band-dark .section-head p,
.band-dark .muted {
  color: rgba(255, 255, 255, 0.7);
}

.grid {
  display: grid;
  gap: 22px;
}

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

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.backdrop-featured {
  grid-column: span 2;
}

.backdrop-grid .product-card figure {
  aspect-ratio: 1 / 1;
}

.backdrop-featured figure {
  aspect-ratio: 2 / 1;
}

.category-card,
.feature-card,
.product-card,
.case-card,
.contact-panel {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.category-card:hover,
.feature-card:hover,
.product-card:hover,
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(182, 106, 69, 0.32);
}

.category-card figure,
.product-card figure {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #ddd;
}

.category-card img,
.product-card img,
.gallery-item img {
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.category-card:hover img,
.product-card:hover img,
.gallery-item:hover img {
  transform: scale(1.06);
}

.card-body {
  padding: 22px;
}

.muted {
  color: var(--muted);
}

.kicker {
  color: var(--copper);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.feature-card {
  padding: 26px;
}

.feature-number {
  color: var(--gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 34px;
  line-height: 1;
}

.band-light {
  background: #f2eee7;
}

.process-section {
  background: linear-gradient(180deg, #fbfaf7, #f0ebe3);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.process-card {
  min-height: 220px;
  padding: 26px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--white);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.process-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.process-card span {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  border-radius: 999px;
  background: var(--charcoal);
  color: var(--white);
  font-family: Georgia, "Times New Roman", serif;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: 20px 22px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 800;
  color: var(--ink);
}

.faq-item p {
  margin: 14px 0 0;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
  gap: 48px;
  align-items: center;
}

.split-media {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 16px;
  align-items: end;
}

.split-media img {
  border-radius: var(--radius);
  height: 430px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.split-media img:first-child {
  height: 330px;
}

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

.check-list li {
  padding-left: 30px;
  position: relative;
}

.check-list li::before {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  left: 0;
  top: 5px;
  border-radius: 50%;
  background: var(--moss);
  box-shadow: inset 0 0 0 5px #dfe7dc;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 150px;
  gap: 12px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: #ddd;
}

.gallery-item.tall {
  grid-row: span 2;
}

.gallery-item.wide {
  grid-column: span 2;
}

.gallery-item img {
  height: 100%;
  object-fit: cover;
}

.video-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: stretch;
}

.video-frame {
  border-radius: var(--radius);
  overflow: hidden;
  background: #111;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.video-frame video {
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}

.video-placeholder {
  min-height: 360px;
  display: grid;
  place-items: center;
  padding: 34px;
  text-align: center;
  color: rgba(255, 255, 255, 0.82);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    #111;
}

.video-placeholder span {
  max-width: 320px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 34px;
  line-height: 1.05;
}

.video-copy {
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--white);
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease;
}

.carousel-slide {
  min-width: 100%;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  min-height: 480px;
}

.carousel-slide img {
  height: 100%;
  object-fit: cover;
}

.carousel-content {
  padding: 52px;
  display: grid;
  align-content: center;
}

.carousel-controls {
  position: absolute;
  right: 22px;
  bottom: 22px;
  display: flex;
  gap: 8px;
}

.circle-btn {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
}

.page-hero {
  padding: 150px 24px 76px;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(16, 16, 16, 0.8), rgba(16, 16, 16, 0.38)),
    var(--page-image, url("../images/showcase-1.jpg")) center / cover;
}

.page-hero .container {
  max-width: var(--max);
}

.page-hero h1 {
  max-width: 760px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.filter-btn {
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  border-radius: 999px;
  min-height: 40px;
  padding: 0 16px;
  font-weight: 700;
  cursor: pointer;
}

.filter-btn.active {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}

.contact-band {
  background:
    linear-gradient(90deg, rgba(34, 35, 34, 0.94), rgba(34, 35, 34, 0.78)),
    url("../images/showcase-8.jpg") center / cover;
  color: var(--white);
}

.contact-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 34px;
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(12px);
}

.inquiry-panel {
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.8fr);
}

.contact-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.inquiry-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.inquiry-form label {
  display: grid;
  gap: 7px;
  font-weight: 800;
  font-size: 13px;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  border: 1px solid #d9d1c5;
  border-radius: 6px;
  padding: 12px 13px;
  font: inherit;
  color: var(--ink);
  background: #fffdfa;
}

.inquiry-form textarea {
  resize: vertical;
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  outline: 2px solid rgba(182, 106, 69, 0.24);
  border-color: var(--copper);
}

.hidden-field {
  display: none;
}

.form-mailto {
  color: var(--copper);
  font-weight: 800;
  font-size: 14px;
  text-align: center;
}

.wechat-placeholder {
  width: min(220px, 100%);
  min-height: 150px;
  margin-top: 24px;
  border: 1px dashed #c9bdae;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  padding: 20px;
  text-align: center;
  background: rgba(255, 255, 255, 0.68);
}

.wechat-placeholder strong,
.wechat-placeholder span {
  display: block;
}

.wechat-placeholder span {
  color: var(--muted);
  font-size: 13px;
}

.footer {
  background: #171717;
  color: rgba(255, 255, 255, 0.72);
  padding: 54px 24px 30px;
}

.footer-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 32px;
}

.footer h4 {
  color: var(--white);
  margin: 0 0 14px;
}

.footer a {
  display: block;
  margin: 8px 0;
}

.copyright {
  max-width: var(--max);
  margin: 38px auto 0;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 13px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.future-stack {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.future-item {
  border: 1px dashed #c8bfb2;
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.5);
  color: var(--muted);
  font-size: 14px;
  min-height: 88px;
}

@media (max-width: 980px) {
  .nav-links,
  .nav-actions .btn-secondary {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links.is-open {
    display: grid;
    position: absolute;
    top: 74px;
    left: 16px;
    right: 16px;
    padding: 20px;
    background: rgba(251, 250, 247, 0.98);
    color: var(--ink);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

  .hero-content,
  .split,
  .video-grid,
  .carousel-slide,
  .inquiry-panel,
  .contact-panel,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-content {
    padding-bottom: 44px;
  }

  .grid-3,
  .grid-4,
  .trust-grid,
  .process-grid,
  .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .backdrop-featured {
    grid-column: span 2;
  }

  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (max-width: 640px) {
  .nav {
    padding: 14px 16px;
  }

  .section,
  .section.tight {
    padding: 64px 18px;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-content {
    width: calc(100% - 32px);
    padding-top: 120px;
  }

  h1 {
    font-size: 48px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .metric-row,
  .grid-3,
  .grid-4,
  .backdrop-grid,
  .trust-grid,
  .process-grid,
  .faq-grid,
  .future-stack {
    grid-template-columns: 1fr;
  }

  .backdrop-featured {
    grid-column: span 1;
  }

  .backdrop-featured figure {
    aspect-ratio: 1 / 1;
  }

  .section-head {
    display: block;
  }

  .split-media {
    grid-template-columns: 1fr;
  }

  .split-media img,
  .split-media img:first-child {
    height: 300px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 135px;
  }

  .gallery-item.wide {
    grid-column: span 1;
  }

  .carousel-content {
    padding: 28px;
  }
}