:root {
  --bg: #0d1117;
  --card: #161b26;
  --card-hover: #1c2333;
  --text: #e2e8f4;
  --muted: #8b97b0;
  --accent: #4f8ef7;
  --accent-dark: #1e3a6e;
  --accent-glow: rgba(79, 142, 247, 0.15);
  --border: #252d3d;
  --green: #3ecf8e;
  --tip-bg: #0e2016;
  --tip-border: #1d4a30;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Inter, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 1rem;
}

.container {
  width: min(760px, calc(100% - 2.5rem));
  margin: 0 auto;
}

/* ── Hero ── */

.hero {
  padding: 5rem 0 3.5rem;
  text-align: center;
  background: radial-gradient(ellipse 70% 50% at 50% 0%, #1a2744 0%, transparent 70%);
  border-bottom: 1px solid var(--border);
}

.eyebrow {
  display: inline-block;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(79, 142, 247, 0.3);
  border-radius: 99px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.25rem 0.85rem;
  margin: 0 0 1.4rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 1.1rem;
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 50ch;
  margin: 0 auto 2rem;
}

.button-download {
  display: inline-block;
  text-decoration: none;
  background: var(--accent);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  padding: 0.85rem 2rem;
  border-radius: 0.7rem;
  box-shadow: 0 0 24px rgba(79, 142, 247, 0.35);
  transition: background 0.15s, box-shadow 0.15s;
}

.button-download:hover {
  background: #6aa0ff;
  box-shadow: 0 0 34px rgba(79, 142, 247, 0.5);
}

.screenshot-wrap {
  margin: 0 auto 1.75rem;
  max-width: 680px;
  border-radius: 0.9rem;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
}

.screenshot {
  display: block;
  width: 100%;
  height: auto;
}

.small-note {
  margin: 0.9rem auto 0;
  color: var(--muted);
  font-size: 0.85rem;
}

/* ── Sections ── */

main {
  padding: 1.5rem 0 3rem;
}

.section {
  margin: 1.5rem auto;
  padding: 1.6rem 1.8rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
}

h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
}

p {
  margin: 0 0 0.9rem;
  color: var(--muted);
}

p:last-child {
  margin-bottom: 0;
}

p strong {
  color: var(--text);
}

/* ── Shortcut grid ── */

.shortcut-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.shortcut-card {
  background: var(--card-hover);
  border: 1px solid var(--border);
  border-radius: 0.7rem;
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.shortcut-key {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(79, 142, 247, 0.25);
  border-radius: 0.4rem;
  padding: 0.2rem 0.5rem;
  display: inline-block;
  width: fit-content;
}

.shortcut-desc {
  font-size: 0.88rem;
  color: var(--muted);
}

/* ── Steps ── */

.steps {
  margin: 0 0 1rem;
  padding-left: 1.3rem;
  color: var(--muted);
}

.steps li {
  margin-bottom: 0.65rem;
}

.steps li strong {
  color: var(--text);
}

/* ── Tip ── */

.tip {
  margin-top: 1.1rem !important;
  background: var(--tip-bg);
  border: 1px solid var(--tip-border);
  border-radius: 0.6rem;
  padding: 0.7rem 1rem;
  font-size: 0.92rem;
  color: #7ecda0 !important;
}

/* ── Generic list ── */

.list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--muted);
}

.list li {
  margin-bottom: 0.5rem;
}

/* ── Footer ── */

.footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 2.5rem;
  text-align: center;
}

.footer p {
  color: var(--muted);
  font-size: 0.9rem;
}

.github-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.85rem;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

.github-badge:hover {
  border-color: var(--accent);
  color: var(--text);
}