:root {
  color-scheme: dark;
  --bg: #08090d;
  --bg-soft: #11131a;
  --panel: rgba(18, 20, 28, 0.78);
  --panel-strong: rgba(11, 12, 17, 0.92);
  --line: rgba(255, 255, 255, 0.12);
  --text: #f4efe5;
  --muted: #b7ad9f;
  --dim: #7d756c;
  --gold: #d5a751;
  --gold-2: #f0d68b;
  --red: #b53838;
  --violet: #8d55ff;
  --blue: #4fa6ff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  font-family: "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(126, 46, 58, 0.25), transparent 34rem),
    radial-gradient(circle at 85% 20%, rgba(75, 60, 142, 0.22), transparent 30rem),
    var(--bg);
  color: var(--text);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  content: "";
  opacity: 0.22;
  background-image: url("assets/noise.png");
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid transparent;
  transition: background 180ms ease, border-color 180ms ease, backdrop-filter 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(8, 9, 13, 0.78);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(240, 214, 139, 0.52);
  background: linear-gradient(145deg, rgba(213, 167, 81, 0.25), rgba(92, 26, 36, 0.42));
  color: var(--gold-2);
  font-weight: 800;
  letter-spacing: 0;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.1;
}

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

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.site-nav a {
  transition: color 160ms ease;
}

.site-nav a:hover {
  color: var(--gold-2);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

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

.hero {
  position: relative;
  display: grid;
  min-height: 100svh;
  overflow: hidden;
  padding: 132px clamp(18px, 4vw, 64px) 42px;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(8, 9, 13, 0.92) 0%, rgba(8, 9, 13, 0.48) 42%, rgba(8, 9, 13, 0.86) 100%),
    linear-gradient(0deg, rgba(8, 9, 13, 1) 0%, rgba(8, 9, 13, 0.2) 34%),
    url("assets/hero-dark-fortress.png") center / cover no-repeat;
}

.hero::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 38%;
  z-index: -1;
  content: "";
  background: linear-gradient(0deg, var(--bg), transparent);
}

.hero-inner {
  width: min(760px, 100%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold-2);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(54px, 11vw, 132px);
  line-height: 0.88;
  letter-spacing: 0;
  text-shadow: 0 16px 50px rgba(0, 0, 0, 0.55);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 58px);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

p {
  color: var(--muted);
  line-height: 1.65;
}

.hero-copy {
  width: min(650px, 100%);
  color: #ddd3c6;
  font-size: clamp(17px, 2vw, 21px);
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid var(--line);
  color: var(--text);
  font-weight: 700;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  border-color: rgba(240, 214, 139, 0.65);
}

.button.primary {
  border-color: rgba(240, 214, 139, 0.6);
  background: linear-gradient(145deg, #b77a28, #5f1b24);
  color: white;
}

.button.ghost {
  background: rgba(255, 255, 255, 0.06);
}

.hero-panel {
  display: grid;
  width: min(980px, 100%);
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 58px;
  border: 1px solid var(--line);
  background: var(--line);
  box-shadow: var(--shadow);
}

.hero-panel div {
  padding: 20px;
  background: rgba(10, 11, 16, 0.74);
}

.hero-panel span,
.hero-panel strong {
  display: block;
}

.hero-panel span {
  color: var(--dim);
  font-size: 12px;
  text-transform: uppercase;
}

.hero-panel strong {
  margin-top: 8px;
  color: var(--gold-2);
  font-size: 18px;
}

.section-pad {
  padding: clamp(70px, 10vw, 128px) clamp(18px, 4vw, 64px);
}

.intro {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(280px, 1fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: start;
}

.section-heading {
  max-width: 780px;
}

.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}

.intro-copy {
  display: grid;
  gap: 12px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 0;
}

.feature-card,
.systems-grid article,
.download-card,
.faq-list details {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.025));
  box-shadow: 0 16px 70px rgba(0, 0, 0, 0.22);
}

.feature-card {
  min-height: 260px;
  padding: 26px;
}

.feature-icon {
  display: inline-grid;
  width: 42px;
  height: 42px;
  margin-bottom: 34px;
  place-items: center;
  border: 1px solid rgba(213, 167, 81, 0.36);
  color: var(--gold-2);
  font-size: 12px;
  font-weight: 800;
}

.split {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(280px, 1fr);
  gap: clamp(26px, 5vw, 74px);
  align-items: center;
}

.panel-art {
  min-height: 520px;
  border: 1px solid var(--line);
  background:
    linear-gradient(0deg, rgba(8, 9, 13, 0.45), rgba(8, 9, 13, 0.1)),
    url("assets/abilities-panel.png") center / cover no-repeat;
  box-shadow: var(--shadow);
}

.split-content {
  max-width: 620px;
}

.stat-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 32px;
}

.stat-list div {
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.stat-list strong,
.stat-list span {
  display: block;
}

.stat-list strong {
  color: var(--gold-2);
  font-size: 34px;
}

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

.systems {
  background:
    linear-gradient(rgba(8, 9, 13, 0.82), rgba(8, 9, 13, 0.96)),
    url("assets/rune-texture.png") center / cover no-repeat;
}

.systems-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 44px;
}

.systems-grid article {
  padding: 24px;
}

.media-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  grid-auto-rows: 210px;
  gap: 14px;
  margin-top: 34px;
}

.media-tile {
  position: relative;
  display: flex;
  overflow: hidden;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px;
  border: 1px solid var(--line);
  background:
    linear-gradient(0deg, rgba(5, 6, 10, 0.9), rgba(5, 6, 10, 0.2)),
    url("assets/media-placeholder.png") center / cover no-repeat;
}

.media-tile.large {
  grid-row: span 2;
}

.media-tile span {
  color: var(--gold-2);
  font-size: 12px;
  text-transform: uppercase;
}

.media-tile strong {
  margin-top: 6px;
  font-size: 24px;
}

.download {
  padding-top: 0;
}

.download-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(26px, 5vw, 48px);
  background:
    linear-gradient(110deg, rgba(70, 17, 27, 0.82), rgba(15, 16, 24, 0.92)),
    url("assets/download-banner.png") center / cover no-repeat;
}

.download-card p {
  max-width: 680px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 14px;
}

.steps div {
  display: flex;
  gap: 14px;
  min-height: 100px;
  padding: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.045);
}

.steps span {
  flex: 0 0 auto;
  color: var(--gold-2);
  font-weight: 800;
}

.steps p {
  margin: 0;
  line-height: 1.45;
}

.faq {
  padding-top: 0;
}

.faq-list {
  display: grid;
  width: min(900px, 100%);
  gap: 10px;
  margin: 34px auto 0;
}

.faq-list details {
  padding: 20px 22px;
}

.faq-list summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 700;
}

.faq-list p {
  margin: 14px 0 0;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(18px, 4vw, 64px);
  border-top: 1px solid var(--line);
  background: #05060a;
}

.site-footer p {
  margin: 4px 0 0;
  font-size: 13px;
}

.footer-links {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 980px) {
  .site-nav {
    position: fixed;
    top: 75px;
    left: 18px;
    right: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    border: 1px solid var(--line);
    background: rgba(8, 9, 13, 0.95);
  }

  .site-nav.is-open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .intro,
  .split,
  .download-card {
    grid-template-columns: 1fr;
  }

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

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

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

@media (max-width: 640px) {
  .site-header {
    padding-inline: 14px;
  }

  .hero {
    min-height: 92svh;
    padding-inline: 16px;
  }

  .hero-panel,
  .feature-grid,
  .systems-grid,
  .steps,
  .stat-list,
  .media-grid {
    grid-template-columns: 1fr;
  }

  .panel-art {
    min-height: 360px;
  }

  .media-tile.large {
    grid-row: span 1;
  }

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