/* Crypto2Nairang landing — brand: deep green #0B3D2E + rich amber #F2A93B.
   Display type: Space Grotesk. Body: Inter. */

:root {
  --green-900: #0B3D2E;
  --green-800: #0E4C39;
  --green-700: #14624A;
  --green-100: #DFEDE7;
  --green-50: #F0F6F3;
  --amber-500: #F2A93B;
  --amber-600: #DE9624;
  --ink: #0C1B16;
  --muted: #4B5D56;
  --border: #D8E2DD;
  --bg: #FAFCFB;
  --white: #FFFFFF;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(11, 61, 46, 0.10);
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  z-index: 100;
  background: var(--green-900);
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
}
.skip-link:focus { left: 8px; }

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  line-height: 1;
  padding: 14px 22px;
  border-radius: 10px;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color .15s ease, color .15s ease, transform .1s ease, box-shadow .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 3px solid var(--amber-500); outline-offset: 2px; }

.btn-lg { padding: 17px 28px; font-size: 17px; }

.btn-primary { background: var(--green-900); color: #fff; }
.btn-primary:hover { background: var(--green-800); box-shadow: var(--shadow); }

.btn-accent { background: var(--amber-500); color: #3a2a05; }
.btn-accent:hover { background: var(--amber-600); box-shadow: var(--shadow); }

.btn-ghost { border-color: var(--green-900); color: var(--green-900); background: transparent; }
.btn-ghost:hover { background: var(--green-50); }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 252, 251, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 68px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark { width: 30px; height: 30px; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--green-900);
}
.site-nav { display: flex; gap: 28px; }
.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
}
.site-nav a:hover { color: var(--green-800); }
.header-cta { padding: 11px 18px; font-size: 15px; }

/* ---------- Hero ---------- */

.hero {
  padding: 88px 0 72px;
  background:
    radial-gradient(60% 50% at 85% 10%, rgba(242, 169, 59, 0.14), transparent 70%),
    radial-gradient(50% 60% at 5% 85%, rgba(11, 61, 46, 0.08), transparent 70%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--green-700);
  margin: 0 0 18px;
}
.eyebrow-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--amber-500); }

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 6vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
  color: var(--green-900);
}
.hero-title em {
  font-style: italic;
  color: var(--green-700);
}

.hero-lede {
  font-size: 19px;
  color: var(--muted);
  max-width: 52ch;
  margin: 0 0 30px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }

.hero-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}
.hero-points li {
  display: flex;
  gap: 8px;
  font-size: 15px;
  color: var(--muted);
}
.hero-points li::before {
  content: "✓";
  color: var(--green-700);
  font-weight: 700;
}
.hero-points strong { color: var(--ink); font-weight: 600; }

/* ---------- Rate board ---------- */

.hero-board { display: flex; justify-content: flex-end; }
.rate-card {
  width: 100%;
  max-width: 420px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 26px;
  box-shadow: var(--shadow);
}
.rate-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted);
  margin: 0 0 8px;
}
.rate-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--green-50);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 6px;
}
.rate-input {
  border: none;
  background: transparent;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 30px;
  color: var(--green-900);
  width: 100%;
  padding: 0;
}
.rate-input:focus { outline: none; }
.rate-received {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 30px;
  color: var(--green-800);
}
.rate-receive { background: #FFF7E8; border-color: #F3DFB4; }
.rate-swap {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  margin: 4px auto;
  color: var(--green-700);
}
.rate-swap svg { width: 22px; height: 22px; }
.rate-note { font-size: 13px; color: var(--muted); margin: 12px 0 0; }

.coin-badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  color: #fff;
  background: var(--green-800);
  padding: 6px 10px;
  border-radius: 8px;
  white-space: nowrap;
}
.coin-ngn { background: var(--amber-500); color: #3a2a05; }

/* ---------- Coins ---------- */

.coins { padding: 64px 0; }
.section-head { max-width: 640px; margin-bottom: 34px; }
.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--green-900);
}
.section-sub { font-size: 17px; color: var(--muted); margin: 0; }

.coin-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
}
.coin-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.coin-card:hover { border-color: var(--green-700); box-shadow: var(--shadow); }
.coin-name { font-weight: 600; color: var(--ink); }

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

.how { padding: 64px 0; background: var(--green-50); }
.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.step {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--green-900);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 16px;
}
.step-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  margin: 0 0 8px;
  color: var(--green-900);
}
.step-body { font-size: 15px; color: var(--muted); margin: 0; }

/* ---------- Why us ---------- */

.why { padding: 64px 0; }
.why-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.why-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}
.why-icon {
  width: 30px;
  height: 30px;
  color: var(--amber-500);
  margin-bottom: 14px;
}
.why-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  margin: 0 0 8px;
  color: var(--green-900);
}
.why-body { font-size: 15px; color: var(--muted); margin: 0; }

/* ---------- Voices (testimonials) ---------- */

.voices { padding: 64px 0; background: var(--green-50); }
.voices-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.voice-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.voice-body {
  font-size: 16px;
  color: var(--ink);
  margin: 0 0 14px;
}
.voice-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  color: var(--green-700);
  margin: 0;
}

/* ---------- FAQ ---------- */

.faq { padding: 64px 0; }
.faq-list {
  margin: 0;
  border-top: 1px solid var(--border);
}
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.faq-q {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--green-900);
  margin: 0 0 8px;
}
.faq-a {
  font-size: 16px;
  color: var(--muted);
  margin: 0;
  max-width: 70ch;
}

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

.cta {
  padding: 72px 0;
  background: var(--green-900);
}
.cta-inner { text-align: center; }
.cta-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 40px);
  color: #fff;
  margin: 0 0 12px;
}
.cta-sub { color: #C9DBD3; font-size: 18px; margin: 0 0 26px; }

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

.site-footer {
  background: var(--green-900);
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
}
.footer-brand-col {
  max-width: 42ch;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: #fff;
  margin: 0;
}
.footer-menu { display: flex; flex-direction: column; gap: 10px; }
.footer-menu-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: #9DB8AE;
  margin: 0;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a { color: #C9DBD3; text-decoration: none; font-size: 15px; }
.footer-links a:hover { color: #fff; }
.footer-note { color: #9DB8AE; font-size: 13px; margin: 0; }

/* ---------- Prose pages (privacy / terms / contact) ---------- */

.prose {
  max-width: 760px;
  padding-top: 56px;
  padding-bottom: 72px;
}
.prose h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 40px);
  color: var(--green-900);
  margin: 0 0 6px;
}
.prose-meta { color: var(--muted); font-size: 14px; margin: 0 0 28px; }
.prose h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  color: var(--green-900);
  margin: 32px 0 8px;
}
.prose p { color: var(--ink); margin: 0 0 14px; }
.prose a { color: var(--green-700); }

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-board { justify-content: stretch; }
  .rate-card { max-width: none; }
  .hero { padding: 56px 0 48px; }
  .site-nav { display: none; }
}

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