:root {
  --bg: #090a0b;
  --panel: #101214;
  --panel-soft: #171a1d;
  --text: #f7f4ef;
  --muted: #b8b2a8;
  --line: rgba(255, 255, 255, 0.12);
  --cream: #e9ddca;
  --blue: #4c8bcc;
  --red: #b73a42;
  --orange: #d36f32;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
  --max: 1180px;
  --gutter: 24px;
  --radius: 8px;
  --font-body: "Segoe UI", Arial, sans-serif;
  --font-display: Georgia, "Times New Roman", serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}

body.lightbox-open {
  overflow: hidden;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

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

button {
  font: inherit;
}

.demo-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 48px);
  background: rgba(9, 10, 11, 0.76);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand img {
  width: 112px;
}

.demo-nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.demo-nav a:hover,
.demo-nav a:focus-visible {
  color: var(--text);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: end;
  padding: 110px clamp(18px, 5vw, 68px) 42px;
  overflow: hidden;
}

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

.hero-media img {
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(9, 10, 11, 0.88) 0%, rgba(9, 10, 11, 0.62) 36%, rgba(9, 10, 11, 0.12) 72%),
    linear-gradient(180deg, rgba(9, 10, 11, 0.18) 0%, rgba(9, 10, 11, 0.82) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
  padding-bottom: 112px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--cream);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.04;
}

h1 {
  max-width: 720px;
  font-size: clamp(2.7rem, 4.9vw, 4.45rem);
}

h2 {
  font-size: clamp(2rem, 5vw, 4.2rem);
}

.hero-copy {
  max-width: 640px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.02rem;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.button-primary {
  background: var(--cream);
  color: #151310;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--line);
  color: var(--text);
}

.hero-panel {
  position: absolute;
  z-index: 3;
  left: clamp(18px, 5vw, 68px);
  right: clamp(18px, 5vw, 68px);
  bottom: 28px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: var(--max);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(14, 16, 18, 0.82);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-panel div {
  min-width: 0;
  padding: 18px 20px;
  border-right: 1px solid var(--line);
}

.hero-panel div:last-child {
  border-right: 0;
}

.hero-panel span,
.spec-board span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.hero-panel strong,
.spec-board strong {
  display: block;
  margin-top: 4px;
  color: var(--text);
  font-size: 1.05rem;
}

.feature-strip {
  width: min(100% - var(--gutter) * 2, var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  padding: 64px 0 36px;
}

.feature {
  min-height: 214px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.feature span {
  color: var(--orange);
  font-weight: 900;
}

.feature strong {
  display: block;
  margin-top: 32px;
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 500;
}

.feature p {
  margin: 12px 0 0;
  color: var(--muted);
}

.section,
.gallery-section,
.contact-section {
  width: min(100% - var(--gutter) * 2, var(--max));
  margin: 0 auto;
  padding: 82px 0;
}

.intro-section,
.split-section,
.trust-section,
.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(28px, 6vw, 74px);
  align-items: start;
}

.section-copy {
  position: sticky;
  top: 96px;
}

.intro-text p,
.image-band p,
.contact-section p,
.trust-card p {
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.intro-text p + p {
  margin-top: 22px;
}

.market-section {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 18px;
  align-items: stretch;
}

.market-card,
.collector-list {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.market-card {
  padding: clamp(26px, 4vw, 44px);
  background:
    linear-gradient(135deg, rgba(211, 111, 50, 0.12), rgba(76, 139, 204, 0.06)),
    var(--panel);
}

.market-card p {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
}

.collector-list {
  padding: 28px;
}

.collector-list h3 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.08;
}

.collector-list ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.collector-list li {
  display: grid;
  gap: 5px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.collector-list li:last-child {
  border-bottom: 0;
}

.collector-list strong {
  color: var(--cream);
  font-size: 0.86rem;
  text-transform: uppercase;
}

.collector-list span {
  color: var(--muted);
}

.section-heading {
  max-width: 800px;
  margin-bottom: 34px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr 0.88fr;
  grid-auto-rows: 255px;
  gap: 12px;
}

.gallery-item {
  position: relative;
  min-width: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}

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

.gallery-item img {
  height: 100%;
  object-fit: cover;
  transition: transform 0.28s ease;
}

.gallery-item:hover img,
.gallery-item:focus-visible img {
  transform: scale(1.035);
}

.gallery-item span {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(9, 10, 11, 0.7);
  color: var(--text);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
}

.spec-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.spec-board div {
  min-width: 0;
  padding: 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.spec-board div:nth-child(2n) {
  border-right: 0;
}

.spec-board div:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.equipment-section {
  padding-top: 54px;
}

.equipment-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(244, 242, 236, 0.04), rgba(211, 111, 50, 0.06)),
    var(--panel);
}

.equipment-group {
  min-width: 0;
  padding: clamp(22px, 3vw, 32px);
  border-right: 1px solid var(--line);
}

.equipment-group:last-child {
  border-right: 0;
}

.equipment-group h3 {
  margin: 0 0 18px;
  color: var(--cream);
  font-family: var(--font-display);
  font-size: 1.38rem;
  font-weight: 500;
}

.equipment-group ul {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.equipment-group li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.45;
}

.equipment-group li::before {
  content: "";
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
}

.image-band {
  position: relative;
  min-height: 620px;
  display: grid;
  align-items: end;
  margin: 36px 0;
  padding: 40px clamp(18px, 5vw, 68px);
  overflow: hidden;
}

.image-band img {
  position: absolute;
  inset: 0;
  height: 100%;
  object-fit: cover;
}

.image-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(9, 10, 11, 0.78), rgba(9, 10, 11, 0.18)),
    linear-gradient(180deg, rgba(9, 10, 11, 0.04), rgba(9, 10, 11, 0.82));
}

.image-band div {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.image-band p {
  max-width: 580px;
  margin-top: 18px;
}

.trust-card {
  min-height: 360px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.trust-card-contrast {
  background:
    linear-gradient(135deg, rgba(76, 139, 204, 0.14), rgba(183, 58, 66, 0.12)),
    var(--panel-soft);
}

.trust-card ul {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.trust-card li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.trust-card li:last-child {
  border-bottom: 0;
}

.contact-section {
  align-items: center;
  margin-bottom: 80px;
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(211, 111, 50, 0.12), rgba(76, 139, 204, 0.08)),
    var(--panel);
}

.sticky-contact {
  position: fixed;
  z-index: 30;
  left: 50%;
  bottom: 18px;
  display: none;
  transform: translateX(-50%);
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(9, 10, 11, 0.86);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.sticky-contact a {
  min-width: 112px;
  padding: 12px 18px;
  text-align: center;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.sticky-contact a:first-child {
  background: var(--cream);
  color: #151310;
}

.lightbox {
  width: min(96vw, 1180px);
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #050505;
  color: var(--text);
}

.lightbox::backdrop {
  background: rgba(0, 0, 0, 0.82);
}

.lightbox img {
  max-height: 82vh;
  object-fit: contain;
}

.lightbox p {
  margin: 0;
  padding: 14px 18px;
  color: var(--muted);
  font-weight: 800;
  text-transform: uppercase;
}

.lightbox-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(9, 10, 11, 0.72);
  color: var(--text);
  font-size: 1.7rem;
  cursor: pointer;
}

@media (max-width: 920px) {
  .demo-nav {
    display: none;
  }

  .hero {
    min-height: 860px;
  }

  .hero-content {
    padding-bottom: 260px;
  }

  .hero-shade {
    background:
      linear-gradient(180deg, rgba(9, 10, 11, 0.1) 0%, rgba(9, 10, 11, 0.64) 42%, rgba(9, 10, 11, 0.96) 100%);
  }

  .hero-panel,
  .feature-strip,
  .intro-section,
  .split-section,
  .market-section,
  .trust-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    bottom: 86px;
  }

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

  .hero-panel div:last-child {
    border-bottom: 0;
  }

  .feature-strip {
    padding-top: 32px;
  }

  .section-copy {
    position: static;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 260px;
  }

  .gallery-item-large {
    grid-row: span 1;
  }

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

  .equipment-group:nth-child(2n) {
    border-right: 0;
  }

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

  .image-band {
    min-height: 560px;
  }

  .sticky-contact {
    display: flex;
  }
}

@media (max-width: 560px) {
  :root {
    --gutter: 16px;
  }

  .demo-header {
    min-height: 62px;
  }

  .brand img {
    width: 94px;
  }

  .hero {
    min-height: 780px;
    padding-top: 86px;
  }

  .hero-media img {
    object-position: center top;
  }

  h1 {
    font-size: 2.35rem;
  }

  .hero-copy {
    font-size: 0.98rem;
  }

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

  .hero-panel div:nth-child(odd) {
    border-right: 1px solid var(--line);
  }

  .hero-panel div:nth-child(3),
  .hero-panel div:nth-child(4) {
    border-bottom: 0;
  }

  .feature {
    min-height: 0;
  }

  .spec-board {
    grid-template-columns: 1fr;
  }

  .spec-board div,
  .spec-board div:nth-child(2n),
  .spec-board div:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .spec-board div:last-child {
    border-bottom: 0;
  }

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

  .equipment-group,
  .equipment-group:nth-child(2n),
  .equipment-group:nth-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .equipment-group:last-child {
    border-bottom: 0;
  }

  .contact-section {
    padding: 26px;
  }
}