:root {
  --bg: #09111a;
  --panel: rgba(11, 20, 29, 0.82);
  --panel-soft: rgba(255, 255, 255, 0.03);
  --line: rgba(255, 255, 255, 0.08);
  --line-soft: rgba(255, 255, 255, 0.05);
  --text: #f7fbff;
  --muted: #9bb0c3;
  --gold: #f6b73c;
  --mint: #4ce0b3;
  --shadow: 0 18px 42px rgba(0, 0, 0, 0.28);
  color-scheme: dark;
  font-family: "Space Grotesk", "Segoe UI Variable", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(246, 183, 60, 0.16), transparent 30%),
    radial-gradient(circle at top right, rgba(76, 224, 179, 0.12), transparent 28%),
    linear-gradient(180deg, #071019 0%, #0c1621 100%);
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

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

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 20px 64px;
  display: grid;
  gap: 24px;
}

.hero,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.chip,
.eyebrow,
.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(246, 183, 60, 0.12);
  color: var(--gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chip {
  padding: 6px 10px;
  font-size: 12px;
}

.eyebrow {
  padding: 5px 10px;
  font-size: 11px;
}

.hero h1 {
  margin: 12px 0 14px;
  max-width: 11ch;
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

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

.hero p {
  max-width: 64ch;
}

.actions,
.downloads,
.lang-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.actions {
  margin-top: 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: 14px;
  font-weight: 700;
  text-decoration: none;
}

.button-primary {
  color: #1a1206;
  background: linear-gradient(135deg, #f6b73c 0%, #ff8d49 100%);
}

.button-secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.lang-nav a {
  padding: 8px 10px;
  color: var(--muted);
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.lang-nav a.active {
  color: var(--text);
  border-color: rgba(246, 183, 60, 0.24);
  background: rgba(246, 183, 60, 0.08);
}

.meta {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.meta-card,
.list-item,
.download-card,
.shot-card,
.step-card {
  border: 1px solid var(--line-soft);
  background: var(--panel-soft);
}

.meta-card {
  padding: 16px;
  border-radius: 18px;
}

.meta-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.45rem;
}

.meta-card span {
  color: var(--muted);
  font-size: 0.9rem;
}

.grid,
.doc-grid {
  display: grid;
  gap: 18px;
}

.grid {
  grid-template-columns: 1.2fr 0.8fr;
}

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

.section-title {
  margin: 0 0 12px;
  font-size: 1.06rem;
}

.list,
.shot-stack,
.rule-list {
  display: grid;
  gap: 10px;
}

.list-item,
.download-card,
.step-card {
  padding: 16px;
  border-radius: 18px;
  color: var(--muted);
  line-height: 1.55;
}

.download-grid,
.step-grid {
  display: grid;
  gap: 12px;
}

.download-grid {
  margin-top: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.download-card {
  display: grid;
  gap: 10px;
}

.download-card strong,
.shot-copy strong,
.step-card strong {
  color: var(--text);
  font-size: 1rem;
}

.showcase {
  display: grid;
  gap: 16px;
  align-items: start;
  grid-template-columns: 1.15fr 0.85fr;
}

.shot-card {
  margin: 0;
  overflow: hidden;
  border-radius: 22px;
}

.shot-card img {
  width: 100%;
  background: #0b131c;
}

.shot-copy {
  display: grid;
  gap: 6px;
  padding: 14px 16px 16px;
}

.shot-copy span,
.step-card span {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.step-grid {
  margin-top: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.step-index {
  width: 30px;
  height: 30px;
  margin-bottom: 10px;
  font-size: 0.82rem;
  font-weight: 700;
}

.rule-list {
  margin-top: 16px;
}

.footer {
  margin: 0;
  font-size: 0.94rem;
}

@media (max-width: 980px) {
  .meta,
  .grid,
  .download-grid,
  .showcase,
  .doc-grid,
  .step-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: none;
  }
}

@media (max-width: 640px) {
  main {
    padding: 20px 14px 40px;
  }

  .hero,
  .panel {
    padding: 20px;
    border-radius: 20px;
  }

  .actions,
  .downloads {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }
}