/* ============================================================
   NYANSATEK SYSTEMS — design tokens
   "Nyansa" (Twi: wisdom) — business tools built with local know-how.
   ============================================================ */

:root {
  /* color */
  --bg:        #0D1320;
  --bg-raised: #141C2C;
  --bg-card:   #182238;
  --line:      #263149;
  --gold:      #E3A54C;
  --gold-dim:  #B98637;
  --teal:      #3E9088;
  --text:      #F1ECE1;
  --text-dim:  #A6AFC4;
  --text-faint:#6C7690;
  --danger:    #D96C5F;

  /* type */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* layout */
  --max: 1160px;
  --radius: 10px;
  --radius-sm: 6px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.06;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0;
}

p { margin: 0; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 14px;
  height: 1px;
  background: var(--gold);
  display: inline-block;
}

/* ---------- signature mark: circuit-knot glyph ---------- */
.mark {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }
.btn-gold {
  background: var(--gold);
  color: #14100A;
}
.btn-gold:hover { background: #EEB767; }
.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--gold-dim); color: var(--gold); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- nav ---------- */
header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 19, 32, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand small {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  color: var(--text-faint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-links a {
  font-size: 14.5px;
  color: var(--text-dim);
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--text); }

/* ---------- hero ---------- */
.hero {
  padding: 88px 0 76px;
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(38px, 5vw, 58px);
  margin: 18px 0 22px;
}
.hero h1 .accent { color: var(--gold); }
.hero p.lede {
  font-size: 18px;
  color: var(--text-dim);
  max-width: 46ch;
  margin-bottom: 32px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-visual {
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: radial-gradient(circle at 30% 20%, rgba(227,165,76,0.10), transparent 60%), var(--bg-raised);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.trust-strip {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  padding: 26px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ---------- sections ---------- */
section { padding: 84px 0; position: relative; }
.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: clamp(28px, 3.4vw, 38px);
  margin-top: 14px;
}
.section-head p {
  color: var(--text-dim);
  margin-top: 14px;
  font-size: 16.5px;
}

/* ---------- product cards ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.product-card:hover { border-color: var(--gold-dim); transform: translateY(-3px); }
.product-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  background: rgba(62, 144, 136, 0.12);
  border: 1px solid rgba(62, 144, 136, 0.3);
  padding: 4px 10px;
  border-radius: 100px;
  width: fit-content;
}
.product-card h3 { font-size: 24px; }
.product-card .desc { color: var(--text-dim); font-size: 15px; flex-grow: 1; }
.product-feats {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  color: var(--text-dim);
}
.product-feats li { display: flex; gap: 10px; align-items: flex-start; }
.product-feats li::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  margin-top: 7px;
  flex-shrink: 0;
}
.product-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.price {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--text);
}
.price span { color: var(--text-faint); font-size: 13px; }

/* ---------- how it works ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.step {
  border-top: 2px solid var(--gold-dim);
  padding-top: 18px;
}
.step .num {
  font-family: var(--font-mono);
  color: var(--gold);
  font-size: 13px;
}
.step h4 { font-size: 17px; margin: 10px 0 8px; }
.step p { color: var(--text-dim); font-size: 14.5px; }

/* ---------- feature grid (why nyansatek) ---------- */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feat {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-raised);
}
.feat h4 { font-size: 16.5px; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.feat p { color: var(--text-dim); font-size: 14.5px; }

/* ---------- footer ---------- */
footer.site {
  border-top: 1px solid var(--line);
  padding: 48px 0 32px;
  color: var(--text-faint);
  font-size: 13.5px;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 32px;
}
.footer-cols { display: flex; gap: 64px; flex-wrap: wrap; }
.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.footer-col a { display: block; padding: 4px 0; color: var(--text-faint); }
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- product detail page ---------- */
.detail-hero {
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--line);
}
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-faint);
  margin-bottom: 20px;
}
.breadcrumb a:hover { color: var(--gold); }
.detail-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 56px;
  align-items: start;
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  margin-top: 8px;
}
.spec-table td { padding: 12px 0; border-bottom: 1px solid var(--line); }
.spec-table td:first-child { color: var(--text-faint); width: 40%; }
.buy-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  position: sticky;
  top: 100px;
}
.plan-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  cursor: pointer;
  transition: border-color 0.15s ease;
}
.plan-option:hover { border-color: var(--gold-dim); }
.plan-option.selected { border-color: var(--gold); background: rgba(227,165,76,0.06); }
.plan-option input { accent-color: var(--gold); }
.plan-label { display: flex; align-items: center; gap: 10px; font-size: 14.5px; }
.plan-price { font-family: var(--font-mono); font-size: 14.5px; color: var(--gold); }

.feat-list-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; margin-top: 20px; }
.feat-list-detail li { list-style: none; display: flex; gap: 10px; font-size: 14.5px; color: var(--text-dim); }
.feat-list-detail li::before { content: "✓"; color: var(--teal); font-weight: 700; }

/* ---------- checkout ---------- */
.checkout-wrap { max-width: 620px; margin: 0 auto; padding: 64px 28px 100px; }
.checkout-summary {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 13.5px;
  color: var(--text-dim);
  margin-bottom: 7px;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.field input, .field select {
  width: 100%;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--gold-dim);
}
.field .hint { font-size: 12.5px; color: var(--text-faint); margin-top: 6px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.pay-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  margin-top: 8px;
  margin-bottom: 22px;
}
.pay-total .amt { font-family: var(--font-mono); font-size: 26px; color: var(--gold); }

.status-msg {
  display: none;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-top: 16px;
}
.status-msg.show { display: block; }
.status-msg.error { background: rgba(217,108,95,0.12); border: 1px solid rgba(217,108,95,0.35); color: #F0A99C; }
.status-msg.info { background: rgba(62,144,136,0.12); border: 1px solid rgba(62,144,136,0.35); color: #8FCFC7; }

/* ---------- success page ---------- */
.success-wrap {
  max-width: 560px;
  margin: 0 auto;
  padding: 100px 28px 120px;
  text-align: center;
}
.success-icon {
  width: 62px; height: 62px;
  border-radius: 50%;
  background: rgba(62,144,136,0.15);
  border: 1px solid var(--teal);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 26px;
  color: var(--teal);
  font-size: 26px;
}
.provision-steps {
  text-align: left;
  margin: 36px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.provision-step {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
}
.provision-step:last-child { border-bottom: none; }
.provision-step .dot {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid var(--line);
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px;
}
.provision-step.done .dot { background: var(--teal); border-color: var(--teal); color: #0D1320; }
.provision-step.active .dot { border-color: var(--gold); animation: pulse 1.2s infinite; }
.provision-step.pending { color: var(--text-faint); }
@keyframes pulse { 50% { opacity: 0.4; } }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .products-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .feat-grid { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .buy-card { position: static; }
  .field-row { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .footer-grid { flex-direction: column; }
}

/* ---------- accessibility ---------- */
a:focus-visible, button:focus-visible, input:focus-visible, .plan-option:focus-within {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}