:root {
  --space: #050712;
  --space-2: #0d1630;
  --panel: rgba(255,255,255,0.08);
  --panel-strong: rgba(255,255,255,0.14);
  --text: #f5f7ff;
  --muted: #b7c2e8;
  --gold: #ffd166;
  --orange: #ff8c42;
  --blue: #73d2ff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: radial-gradient(circle at top, #1e3568 0%, var(--space) 45%, #02030a 100%);
  color: var(--text);
  line-height: 1.6;
}

img {
  width: 100%;
  min-height: 180px;
  object-fit: cover;
  display: block;
  background: linear-gradient(135deg, #172344, #050712);
  border: 1px solid rgba(255,255,255,0.15);
}

a { color: inherit; }

.hero {
  min-height: 92vh;
  padding: 24px;
  background:
    linear-gradient(rgba(5,7,18,0.16), rgba(5,7,18,0.9)),
    url('images/background.jpg');
  background-size: cover;
  background-position: center;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 0;
}

.logo {
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--gold);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 700;
}

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

.hero-content {
  max-width: 900px;
  margin: 12vh auto 0;
  text-align: center;
}

.tag {
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 800;
}

h1 {
  font-size: clamp(2.6rem, 7.5vw, 6.5rem);
  line-height: 0.95;
  margin: 20px 0;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-top: 0;
}

.hero-text {
  max-width: 720px;
  margin: 0 auto 32px;
  font-size: 1.2rem;
  color: var(--muted);
}

.button {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 900;
  margin: 6px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(255, 140, 66, 0.25);
}

.primary {
  background: linear-gradient(135deg, var(--gold), var(--orange));
  color: #15100a;
}

.secondary {
  background: var(--panel-strong);
  border: 1px solid rgba(255,255,255,0.18);
}

.big { font-size: 1.2rem; padding: 18px 30px; }

.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 86px 24px;
}

.dark {
  max-width: none;
  padding-left: max(24px, calc((100vw - 1200px) / 2 + 24px));
  padding-right: max(24px, calc((100vw - 1200px) / 2 + 24px));
  background: rgba(0,0,0,0.28);
}

.intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px;
  align-items: center;
}

.image-card, .card, .gallery-item, .body-card, .roadmap div, .download-box, .requirements {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 80px rgba(0,0,0,0.25);
}

.image-card span, .gallery-item p, .body-card p, .card p, .roadmap p, .download-box p, .requirements p {
  color: var(--muted);
}

.image-card span { display: block; padding: 16px; }

.cards, .gallery, .body-grid, .roadmap {
  display: grid;
  gap: 22px;
}

.cards { grid-template-columns: repeat(3, 1fr); }
.gallery { grid-template-columns: repeat(3, 1fr); }
.body-grid { grid-template-columns: repeat(4, 1fr); }
.roadmap { grid-template-columns: repeat(3, 1fr); }

.card, .roadmap div { padding: 24px; }
.gallery-item {
  margin: 0;
}

.gallery-item img {
  aspect-ratio: 16 / 9;
  min-height: 0;
}

.gallery-item figcaption {
  padding: 12px 14px 14px;
  color: var(--muted);
  font-weight: 700;
}

.gallery-item p, .body-card h3, .body-card p { padding: 0 16px; }
.body-card p { padding-bottom: 18px; }

.section-subtitle { color: var(--muted); margin-bottom: 28px; }

.install {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
  gap: 28px;
  align-items: start;
}

.steps {
  margin: 0;
  padding-left: 22px;
  color: var(--muted);
}

.steps li + li {
  margin-top: 12px;
}

.requirements {
  padding: 24px;
}

.requirements h3 {
  margin-top: 0;
}

.requirements p {
  margin: 8px 0;
}

.download-box {
  text-align: center;
  padding: 58px 28px;
  margin-top: 80px;
  margin-bottom: 80px;
}

code {
  background: rgba(0,0,0,0.4);
  padding: 3px 7px;
  border-radius: 6px;
  color: var(--blue);
}

footer {
  text-align: center;
  padding: 36px 24px;
  background: #02030a;
  color: var(--muted);
}

.small-note { font-size: 0.9rem; color: var(--muted); }

@media (max-width: 900px) {
  .intro, .cards, .gallery, .body-grid, .roadmap, .install { grid-template-columns: 1fr; }
  .nav { align-items: flex-start; flex-direction: column; }
  .hero-content { margin-top: 8vh; text-align: left; }
  .tag { letter-spacing: 2px; }
}

@media (max-width: 520px) {
  .hero {
    min-height: auto;
    padding-bottom: 56px;
  }

  .hero-content {
    margin-top: 7vh;
  }

  .button {
    margin-left: 0;
    margin-right: 8px;
  }
}