/* demo01 · minimalist
 * Pure typography. White, black, one accent. Lots of breathing room.
 */

:root {
  --fg: #0a0a0a;
  --bg: #ffffff;
  --muted: #6b6b6b;
  --line: #ececec;
  --accent: #ff2d55; /* hot pink, used sparingly */
  --max: 880px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }
body {
  font: 400 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
hr {
  border: 0;
  border-top: 1px solid var(--line);
  max-width: var(--max);
  margin: 96px auto;
}

/* nav */

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 15px;
}
.nav nav a {
  margin-left: 28px;
  color: var(--muted);
  transition: color 0.15s;
}
.nav nav a:hover { color: var(--fg); }

.wordmark {
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 18px;
}
.wordmark span { color: var(--accent); }
.wordmark.small { font-size: 14px; margin-bottom: 12px; }

/* main */

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* hero */

.hero {
  padding: 80px 0 64px;
}
.hero h1 {
  font-size: clamp(56px, 11vw, 132px);
  line-height: 0.95;
  letter-spacing: -0.045em;
  font-weight: 700;
  margin-bottom: 40px;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.lede {
  font-size: 22px;
  line-height: 1.5;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 48px;
  font-weight: 300;
}

.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 15px;
  transition: all 0.15s;
  border: 1px solid transparent;
}
.btn.primary {
  background: var(--fg);
  color: var(--bg);
}
.btn.primary:hover { background: var(--accent); }
.btn.ghost {
  border-color: var(--line);
  color: var(--muted);
}
.btn.ghost:hover { border-color: var(--fg); color: var(--fg); }

/* sections */

.kicker {
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
  font-weight: 500;
}

.how .steps {
  display: grid;
  gap: 56px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.step .num {
  display: block;
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 16px;
  font-variant-numeric: tabular-nums;
}
.step h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: 12px;
}
.step p {
  color: var(--muted);
  font-size: 16px;
}

/* promise */

.promise .never {
  list-style: none;
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
}
.promise .never li {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
.promise .never li:first-child { border-top: 1px solid var(--line); }
.promise .note {
  color: var(--muted);
  max-width: 520px;
}

/* download */

.download h2 {
  font-size: clamp(36px, 6vw, 56px);
  letter-spacing: -0.03em;
  margin-bottom: 40px;
  font-weight: 700;
}
.downloads {
  list-style: none;
  margin-bottom: 24px;
}
.downloads li {
  border-top: 1px solid var(--line);
}
.downloads li:last-child { border-bottom: 1px solid var(--line); }
.downloads a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 22px 0;
  font-size: 19px;
  font-weight: 500;
  transition: padding 0.15s;
}
.downloads a:hover {
  padding-left: 12px;
  color: var(--accent);
}
.downloads span {
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  min-width: 80px;
}
.note { color: var(--muted); font-size: 14px; }

/* footer */

footer {
  max-width: var(--max);
  margin: 96px auto 64px;
  padding: 48px 24px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}
footer p { margin: 4px 0; }
footer .meta { font-size: 12px; margin-top: 16px; }

@media (max-width: 640px) {
  .nav nav a { margin-left: 16px; }
  hr { margin: 64px auto; }
  .hero { padding: 48px 0 32px; }
}