:root {
  color-scheme: dark;
  --black: #020202;
  --black-2: #090806;
  --black-3: #121008;
  --gold: #ffd700;
  --gold-light: #fff2ad;
  --gold-deep: #a96f00;
  --ink: #fff8df;
  --soft: #d8ca9c;
  --line: rgba(255, 215, 0, 0.34);
  --panel: rgba(10, 9, 6, 0.88);
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.52);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--black);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at 20% 0%, rgba(255, 215, 0, 0.16), transparent 30%),
    radial-gradient(circle at 84% 14%, rgba(255, 215, 0, 0.12), transparent 26%),
    linear-gradient(180deg, #020202, #070603 42%, #020202);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 0, rgba(255, 215, 0, 0.05) 50%, transparent 100%),
    repeating-linear-gradient(90deg, rgba(255, 215, 0, 0.04) 0 1px, transparent 1px 110px);
  opacity: 0.55;
}

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

a {
  color: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 76px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 12px clamp(16px, 4vw, 58px);
  border-bottom: 1px solid var(--line);
  background: rgba(2, 2, 2, 0.9);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--gold-light);
  text-decoration: none;
  font-weight: 1000;
}

.brand img {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border: 1px solid var(--gold);
  border-radius: 8px;
  background: #000;
}

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

nav a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  text-decoration: none;
  color: var(--soft);
  font-weight: 900;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--gold-light);
  border-color: var(--line);
  background: rgba(255, 215, 0, 0.08);
}

main {
  position: relative;
}

.hero {
  width: min(1240px, calc(100% - 32px));
  min-height: calc(100vh - 76px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(320px, 0.92fr) minmax(340px, 1.08fr);
  gap: clamp(26px, 5vw, 64px);
  align-items: center;
  padding: clamp(42px, 7vw, 88px) 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.92rem;
  font-weight: 1000;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.03;
}

h1 {
  font-size: clamp(2.55rem, 6vw, 6rem);
  color: var(--gold-light);
  text-shadow: 0 0 26px rgba(255, 215, 0, 0.24);
}

h2 {
  color: var(--gold-light);
  font-size: clamp(2rem, 3.7vw, 4rem);
}

h3 {
  color: var(--gold-light);
  font-size: 1.42rem;
}

p {
  line-height: 1.55;
}

.lead {
  max-width: 760px;
  color: var(--soft);
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
}

.hero-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(160px, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.gold-button {
  min-height: 74px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 15px 17px;
  border: 1px solid #fff0a2;
  border-radius: 8px;
  text-decoration: none;
  color: #100d04;
  background: linear-gradient(180deg, #fff6c8, var(--gold) 48%, var(--gold-deep));
  box-shadow: 0 20px 42px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.72);
  transition: transform 160ms ease, filter 160ms ease;
}

.gold-button:hover,
.quick-guide a:hover,
.feature-card:hover,
.manual-grid article:hover,
.video-card:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.gold-button strong {
  font-size: 1.05rem;
  font-weight: 1000;
}

.gold-button span {
  color: rgba(16, 13, 4, 0.72);
  font-weight: 900;
}

.gold-button.compact {
  width: fit-content;
  min-height: 48px;
  margin-top: 8px;
  flex-direction: row;
  align-items: center;
  font-weight: 1000;
}

.hero-media {
  display: grid;
  gap: 16px;
}

.halo-card,
.feature-card,
.quick-guide,
.install-flow article,
.support,
.manual-grid article,
.video-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 215, 0, 0.08), rgba(2, 2, 2, 0.9));
  box-shadow: var(--shadow);
}

.hero-logo {
  display: grid;
  place-items: center;
  min-height: 250px;
  padding: 18px;
}

.hero-logo img {
  width: min(360px, 92%);
  border-radius: 8px;
}

.hero-strip {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

.hero-strip img {
  width: 100%;
  aspect-ratio: 9 / 14;
  object-fit: cover;
  object-position: top center;
  border: 1px solid rgba(255, 215, 0, 0.32);
  border-radius: 8px;
  background: #000;
}

.quick-guide,
.section-head,
.picture-slider,
.manual-showcase,
.feature-gallery,
.install-flow,
.support,
.manual-grid,
.video-grid,
.page-hero {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.quick-guide {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  padding: 1px;
  overflow: hidden;
}

.quick-guide a {
  min-height: 142px;
  display: grid;
  gap: 8px;
  align-content: center;
  padding: 22px;
  text-decoration: none;
  background: rgba(2, 2, 2, 0.82);
  transition: transform 160ms ease, filter 160ms ease;
}

.quick-guide span,
.feature-card span,
.manual-grid span,
.video-card span {
  color: var(--gold);
  font-weight: 1000;
}

.quick-guide strong {
  color: var(--ink);
  font-size: 1.18rem;
}

.picture-slider {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(260px, 34%);
  gap: 16px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: inline mandatory;
  padding: 0 0 18px;
  scrollbar-color: var(--gold) #090806;
}

.picture-slider.compact {
  width: 100%;
  grid-auto-columns: minmax(220px, 28%);
}

.picture-slider figure {
  min-height: 480px;
  margin: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  scroll-snap-align: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 215, 0, 0.1), rgba(2, 2, 2, 0.94));
  box-shadow: var(--shadow);
}

.picture-slider a {
  display: block;
  flex: 1;
}

.picture-slider img {
  width: 100%;
  height: 100%;
  min-height: 410px;
  object-fit: cover;
  object-position: top center;
  background: #000;
}

.picture-slider figcaption {
  min-height: 72px;
  display: flex;
  align-items: center;
  padding: 14px 16px;
  border-top: 1px solid var(--line);
  color: var(--gold-light);
  font-weight: 900;
}

.section-head,
.install-flow,
.page-hero {
  padding: clamp(58px, 8vw, 96px) 0 24px;
}

.section-head h2,
.install-flow h2,
.page-hero h1 {
  max-width: 900px;
}

.section-head p,
.install-flow p,
.page-hero p {
  max-width: 860px;
  color: var(--soft);
}

.feature-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding-bottom: clamp(54px, 8vw, 90px);
}

.feature-card {
  min-height: 430px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 160ms ease, filter 160ms ease;
}

.feature-card.wide {
  grid-column: span 2;
}

.feature-card img {
  width: 100%;
  aspect-ratio: 9 / 14;
  object-fit: cover;
  object-position: top center;
  border-bottom: 1px solid var(--line);
  background: #000;
}

.feature-card div {
  padding: 18px;
}

.feature-card p,
.manual-grid p,
.video-card p,
.install-flow p,
.support p {
  color: var(--soft);
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 22px;
}

.install-flow article {
  overflow: hidden;
}

.install-flow article img {
  width: 100%;
  aspect-ratio: 9 / 14;
  object-fit: cover;
  object-position: top center;
  border-bottom: 1px solid var(--line);
  background: #000;
}

.install-flow article h3,
.install-flow article p {
  padding-inline: 18px;
}

.install-flow article p {
  padding-bottom: 18px;
}

.support {
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 24px;
  align-items: center;
  margin-bottom: clamp(48px, 8vw, 86px);
  padding: clamp(22px, 4vw, 34px);
}

.support img {
  width: 128px;
  height: 128px;
  object-fit: cover;
  border: 1px solid var(--gold);
  border-radius: 8px;
}

.contact {
  color: var(--gold-light);
}

.manual-grid,
.video-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding: 24px 0 clamp(56px, 8vw, 90px);
}

.manual-showcase {
  padding: 12px 0 20px;
}

.manual-showcase > div:first-child {
  margin-bottom: 18px;
}

.manual-showcase p {
  max-width: 850px;
  color: var(--soft);
}

.manual-grid article,
.video-card {
  display: grid;
  grid-template-columns: minmax(150px, 0.55fr) 1fr;
  gap: 18px;
  align-items: center;
  padding: 16px;
  transition: transform 160ms ease, filter 160ms ease;
}

.manual-grid img,
.video-card img {
  width: 100%;
  aspect-ratio: 9 / 14;
  object-fit: cover;
  object-position: top center;
  border: 1px solid rgba(255, 215, 0, 0.28);
  border-radius: 8px;
  background: #000;
}

.footer {
  min-height: 84px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 22px clamp(16px, 4vw, 58px);
  border-top: 1px solid var(--line);
  color: var(--soft);
  background: #010101;
}

.footer a {
  color: var(--gold-light);
  text-decoration: none;
  font-weight: 1000;
}

@media (max-width: 1080px) {
  .hero,
  .feature-gallery,
  .flow-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-actions,
  .quick-guide {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .topbar {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    justify-content: stretch;
  }

  nav a {
    flex: 1;
    justify-content: center;
  }

  .hero,
  .feature-gallery,
  .flow-grid,
  .manual-grid,
  .video-grid,
  .support {
    grid-template-columns: 1fr;
  }

  .feature-card.wide {
    grid-column: auto;
  }

  .hero-strip {
    grid-template-columns: 1fr;
  }

  .picture-slider,
  .picture-slider.compact {
    grid-auto-columns: minmax(260px, 82%);
  }

  .hero-strip img {
    aspect-ratio: 9 / 12;
  }

  .manual-grid article,
  .video-card {
    grid-template-columns: 1fr;
  }

  .manual-grid img,
  .video-card img {
    max-height: 440px;
    object-fit: contain;
  }

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