/* Korus — ink + gold brand (matches app theme/colors.ts) */

:root {
  --ink: #1c1917;
  --ink-dark: #0c0a09;
  --gold: #d4a017;
  --gold-soft: rgba(212, 160, 23, 0.22);
  --bg: #ffffff;
  --surface: #f3f4f6;
  --text: #1a1a1a;
  --muted: #6b7280;
  --border: #e5e7eb;
  --on-ink: #ffffff;
  --on-ink-muted: rgba(255, 255, 255, 0.78);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Quicksand', system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 68rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.wrap-narrow {
  max-width: 46rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--ink);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.5rem;
  max-width: 68rem;
  margin: 0 auto;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--on-ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.nav-brand img {
  width: auto;
  height: 30px;
  border-radius: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.nav-links a {
  color: var(--on-ink-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
}

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

.nav-links .nav-cta {
  color: var(--ink);
  background: var(--gold);
  padding: 0.45rem 1rem;
  border-radius: 999px;
}

.nav-links .nav-cta:hover {
  color: var(--ink);
  filter: brightness(1.06);
}

/* ---------- Hero (ink + gold wash, like app BrandSurface) ---------- */

.hero {
  background:
    linear-gradient(135deg, rgba(212, 160, 23, 0) 30%, var(--gold-soft) 100%),
    var(--ink);
  color: var(--on-ink);
  padding: 5.5rem 0 5rem;
  text-align: center;
}

.hero .eyebrow {
  color: var(--gold);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 1rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0 0 1.1rem;
}

.hero .lede {
  color: var(--on-ink-muted);
  font-size: 1.18rem;
  max-width: 38rem;
  margin: 0 auto 2.2rem;
}

.hero-mark {
  width: 88px;
  height: 88px;
  border-radius: 22px;
  margin-bottom: 1.6rem;
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.45);
}

.hero-lockup {
  display: block;
  width: min(260px, 54vw);
  height: auto;
  margin: 0 auto 1.75rem;
  background: transparent;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  padding: 0.85rem 1.8rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
}

.btn-gold {
  background: var(--gold);
  color: var(--ink);
}

.btn-gold:hover {
  filter: brightness(1.06);
}

.btn-ghost {
  color: var(--on-ink);
  border: 1px solid rgba(255, 255, 255, 0.35);
  margin-left: 0.75rem;
}

.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.hero .fineprint {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.85rem;
  margin-top: 1.4rem;
}

/* ---------- Sections ---------- */

section {
  padding: 4.5rem 0;
}

.section-alt {
  background: var(--surface);
}

.section-head {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 3rem;
}

.section-head .eyebrow {
  color: var(--gold);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 0.6rem;
}

.section-head h2 {
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0 0 0.7rem;
}

.section-head p {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0;
}

/* ---------- Feature cards ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1.25rem;
}

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

.card .glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--ink);
  color: var(--gold);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.12rem;
  font-weight: 700;
  margin: 0 0 0.45rem;
}

.card p {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0;
}

/* ---------- How it works ---------- */

.steps {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1.25rem;
}

.step {
  counter-increment: step;
  border-left: 3px solid var(--gold);
  padding: 0.2rem 0 0.2rem 1.1rem;
}

.step::before {
  content: '0' counter(step);
  display: block;
  color: var(--gold);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.35rem;
}

.step h3 {
  font-size: 1.05rem;
  margin: 0 0 0.35rem;
}

.step p {
  color: var(--muted);
  font-size: 0.93rem;
  margin: 0;
}

/* ---------- CTA band ---------- */

.cta-band {
  background:
    linear-gradient(135deg, rgba(212, 160, 23, 0) 30%, var(--gold-soft) 100%),
    var(--ink);
  color: var(--on-ink);
  text-align: center;
  border-radius: 24px;
  padding: 3.5rem 2rem;
  margin: 0 1.5rem;
}

.cta-band h2 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  margin: 0 0 0.6rem;
}

.cta-band p {
  color: var(--on-ink-muted);
  margin: 0 0 1.8rem;
}

/* ---------- Footer ---------- */

footer {
  background: var(--ink-dark);
  color: var(--on-ink-muted);
  padding: 2.8rem 0;
  margin-top: 4.5rem;
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 68rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

footer a {
  color: var(--on-ink-muted);
  text-decoration: none;
  margin-right: 1.2rem;
}

footer a:hover {
  color: var(--gold);
}

/* ---------- Legal / prose pages ---------- */

.page-hero {
  background:
    linear-gradient(135deg, rgba(212, 160, 23, 0) 30%, var(--gold-soft) 100%),
    var(--ink);
  color: var(--on-ink);
  padding: 3.5rem 0 3rem;
}

.page-hero h1 {
  font-size: clamp(1.9rem, 5vw, 2.6rem);
  margin: 0 0 0.4rem;
  letter-spacing: -0.015em;
}

.page-hero p {
  color: var(--on-ink-muted);
  margin: 0;
}

.prose {
  padding: 3rem 0 1rem;
}

.prose h2 {
  font-size: 1.3rem;
  margin: 2.2rem 0 0.6rem;
}

.prose p,
.prose li {
  color: #374151;
  font-size: 0.98rem;
}

.prose ul {
  padding-left: 1.3rem;
}

.prose a {
  color: var(--ink);
  font-weight: 600;
  text-decoration-color: var(--gold);
  text-decoration-thickness: 2px;
}

.notice {
  background: #faf7f0;
  border: 1px solid rgba(212, 160, 23, 0.4);
  border-radius: 12px;
  padding: 0.9rem 1.1rem;
  color: #78350f;
  font-size: 0.9rem;
}

/* ---------- Korus text lockup (nav + hero) ---------- */

.nav-brand img {
  height: 22px;
}

.brand-o {
  color: var(--gold);
}

.hero-lockup-css {
  margin: 0 auto 1.9rem;
}

.hero-lockup-css .word-img {
  display: block;
  margin: 0 auto;
  width: min(420px, 72vw);
  height: auto;
}

.hero-lockup-css .tagline {
  margin: 0.9rem 0 0;
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

@media (max-width: 640px) {
  .nav-links {
    gap: 0.9rem;
  }

  .nav-links a:not(.nav-cta) {
    display: none;
  }

  .btn-ghost {
    margin-left: 0;
    margin-top: 0.75rem;
  }
}