:root {
  --bg: #0c1018;
  --panel: #151b24;
  --panel-contrast: #1c2430;
  --text: #e7edf7;
  --muted: #a9b3c3;
  --accent: #ff8c42;
  --accent-strong: #ffc285;
  --border: rgba(255, 255, 255, 0.06);
  --shadow: 0 8px 18px rgba(0, 0, 0, 0.2);
  --transition: 160ms ease;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a {
  color: var(--accent-strong);
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition);
}

a:hover,
a:focus {
  color: #f3dba6;
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(12, 16, 24, 0.9);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.brand {
  letter-spacing: 0.24rem;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 1rem;
}

.nav-links a {
  padding: 0.4rem 0.6rem;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 0.95rem;
  color: var(--muted);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.nav-links a:hover,
.nav-links a:focus {
  border-color: var(--border);
  color: var(--text);
  background: var(--panel);
}

main {
  padding-bottom: 4rem;
}

section {
  padding: 3rem 0;
}

.hero {
  padding-top: 4rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: none;
  border-radius: 14px;
  padding: clamp(1.5rem, 2vw, 2.25rem);
  position: relative;
}

.hero-grid {
  display: grid;
  gap: 1.5rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.5rem, 4vw, 3.2rem);
  letter-spacing: 0.08em;
}

.hero p {
  color: var(--muted);
  line-height: 1.6;
}

.hero .hero-meta {
  display: grid;
  gap: 0.35rem;
  margin-top: 1.5rem;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  background: var(--panel-contrast);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.95rem;
}

.hero .hero-meta a {
  color: var(--accent);
  font-weight: 700;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel-contrast);
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.button.primary {
  background: var(--accent);
  border-color: #ffab73;
  color: #0d0f14;
}

.button:hover,
.button:focus {
  transform: translateY(-1px);
  background: var(--panel-contrast);
  border-color: rgba(255, 255, 255, 0.12);
}

.button.primary:hover,
.button.primary:focus {
  background: #ff9d5a;
}

.section-title {
  font-size: 1.7rem;
  letter-spacing: 0.06em;
  margin-bottom: 0.95rem;
}

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

.columns {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: stretch;
}

.list-grid {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.list-grid ul {
  margin: 0;
  padding-left: 0;
  line-height: 1.7;
  color: var(--muted);
}

.readable-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.readable-list li {
  position: relative;
  padding: 1rem 1.1rem 1rem 2.35rem;
  background: var(--panel-contrast);
  border: 1px solid var(--border);
  border-radius: 12px;
  line-height: 1.75;
  color: var(--text);
  font-size: 1.03rem;
  letter-spacing: 0.01em;
}

.readable-list li::before {
  content: "◆";
  position: absolute;
  left: 0.95rem;
  top: 1.1rem;
  color: var(--accent);
  font-size: 0.85rem;
}

.readable-list strong {
  color: #f5cfa2;
}

.download-section {
  display: grid;
  gap: 1.25rem;
}

.download-card {
  background: var(--panel-contrast);
  border: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
  border-radius: 14px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  display: grid;
  grid-template-columns: minmax(180px, 1.1fr) minmax(260px, 1.9fr);
  gap: 1.25rem;
  position: relative;
  overflow: hidden;
}

.download-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 18% 28%, rgba(255, 140, 66, 0.08), transparent 26%);
  opacity: 0.8;
  pointer-events: none;
}

.download-card:hover,
.download-card:focus-within {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow);
}

.download-card__meta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-right: 1rem;
  border-right: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

.download-card__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  color: var(--muted);
}

.download-card__title {
  font-weight: 800;
  letter-spacing: 0.05em;
  font-size: 1.2rem;
}

.download-card__content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  z-index: 1;
}

.download-card__description {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.download-card__links {
  display: grid;
  gap: 0.6rem;
}

.download-card__coming-soon {
  text-align: center;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  border: 1px dashed var(--border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.download-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: color var(--transition), border-color var(--transition), background var(--transition), transform var(--transition);
}

.download-link__label {
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
}

.download-link__arrow {
  color: var(--accent);
  font-size: 1rem;
  transition: transform var(--transition);
}

.download-link:hover,
.download-link:focus {
  border-color: rgba(255, 255, 255, 0.14);
  color: var(--accent);
  background: rgba(255, 140, 66, 0.08);
  transform: translateX(2px);
}

.download-link:hover .download-link__arrow,
.download-link:focus .download-link__arrow {
  transform: translateX(3px);
}

@media (max-width: 880px) {
  .download-card {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .download-card__meta {
    border-right: none;
    padding-right: 0;
  }
}

.rune-divider {
  height: 1px;
  background: var(--border);
  position: relative;
  margin: 1.5rem 0;
}

.rune-divider::after {
  content: "✶";
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--accent);
  font-size: 0.9rem;
  padding: 0 0.4rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
}

footer.site-footer {
  border-top: 1px solid var(--border);
  background: rgba(12, 16, 24, 0.9);
  padding: 1.5rem 0;
  color: var(--muted);
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-title {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text);
}

.footer-meta {
  color: var(--accent-strong);
  letter-spacing: 0.04em;
}

@media (max-width: 720px) {
  .nav-links {
    gap: 0.35rem;
    font-size: 0.9rem;
    flex-wrap: wrap;
  }

  .nav-container {
    padding-inline: 0.25rem;
  }

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

html {
  scroll-behavior: smooth;
}