/* Roster marketing site — tokens mirrored from the app (Tailwind neutral ramp + blue accent).
   Apple Contacts simplicity × mnts.lt restraint: near-monochrome, one accent, dark-mode first-class. */

:root {
  color-scheme: light dark;

  --paper: #ffffff;
  --surface: #fafafa;
  --surface-2: #f5f5f5;
  --ink: #0a0a0b;
  --muted: #525252;
  --faint: #737373;
  --line: #e5e5e5;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: #eff6ff;
  --on-accent: #ffffff;

  --maxw: 1080px;
  --radius: 12px;
  --radius-sm: 8px;
  --step: 8px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0a0a0a;
    --surface: #111111;
    --surface-2: #171717;
    --ink: #fafafa;
    --muted: #a3a3a3;
    --faint: #737373;
    --line: #262626;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --accent-soft: #172554;
    --on-accent: #0a0a0a;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---- nav ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(180%) blur(12px);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.brand {
  font-weight: 650;
  letter-spacing: -0.01em;
  font-size: 18px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 15px;
  color: var(--muted);
}
.nav-links a:hover {
  color: var(--ink);
}

/* ---- buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 550;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background 160ms var(--ease),
    border-color 160ms var(--ease),
    transform 160ms var(--ease);
}
.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
}
.btn-ghost {
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover {
  background: var(--surface-2);
}

/* ---- hero ---- */
.hero {
  padding: clamp(72px, 12vw, 140px) 0 clamp(48px, 7vw, 88px);
}
.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 20px;
}
h1 {
  font-size: clamp(40px, 6.5vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  font-weight: 680;
  margin: 0;
  max-width: 16ch;
}
.lede {
  margin: 24px 0 0;
  font-size: clamp(18px, 2.2vw, 21px);
  color: var(--muted);
  max-width: 52ch;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}
.note {
  margin-top: 16px;
  font-size: 14px;
  color: var(--faint);
}

/* ---- sections ---- */
section {
  padding: clamp(48px, 7vw, 88px) 0;
}
.section-head {
  max-width: 60ch;
  margin-bottom: 40px;
}
h2 {
  font-size: clamp(26px, 3.5vw, 36px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 640;
  margin: 0;
}
.section-head p {
  color: var(--muted);
  margin: 12px 0 0;
}

.problem {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.problem-grid p {
  margin: 0;
  color: var(--muted);
}
.problem-grid strong {
  display: block;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 6px;
}

/* ---- features ---- */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  background: var(--paper);
  transition:
    border-color 160ms var(--ease),
    transform 160ms var(--ease);
}
.card:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
  transform: translateY(-2px);
}
.card .dot {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}
.card .dot svg {
  width: 18px;
  height: 18px;
}
.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 620;
  letter-spacing: -0.01em;
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 15.5px;
}

/* ---- closing cta ---- */
.closing {
  text-align: center;
}
.closing h2 {
  margin-bottom: 24px;
}

/* ---- footer ---- */
footer {
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 14px;
}
footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 28px;
  padding-bottom: 28px;
}
footer a:hover {
  color: var(--ink);
}
.footer-links {
  display: flex;
  gap: 20px;
}

/* ---- legal page ---- */
.legal {
  padding: 56px 0 96px;
}
.legal .wrap {
  max-width: 760px;
}
.legal h1 {
  font-size: clamp(30px, 4vw, 40px);
  max-width: none;
}
.legal .updated {
  color: var(--faint);
  font-size: 14px;
  margin: 12px 0 40px;
}
.legal h2 {
  font-size: 21px;
  margin: 40px 0 12px;
}
.legal p,
.legal li {
  color: var(--muted);
  font-size: 16px;
}
.legal a {
  color: var(--accent);
}
.legal a:hover {
  text-decoration: underline;
}
.callout {
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin: 24px 0;
}
.callout p {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
}

@media (max-width: 760px) {
  .problem-grid,
  .cards {
    grid-template-columns: 1fr;
  }
  .nav-links {
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}