/* ---------------------------------------------------------------------
   Brand tokens. Two white-label identities sharing one layout:
   gpisotab -> the palette specified in the appliance's own visual brief
   (bright green / pink / charcoal / white / light grey).
   g-wifi   -> a distinct, cooler ISP-infrastructure identity
   (deep navy / electric blue / amber) for the second storefront.
   --------------------------------------------------------------------- */

:root {
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --radius-sm: 4px;
  --radius-md: 8px;
}

[data-brand="gpisotab"] {
  --bg: #1a1a1c;
  --surface: #232326;
  --surface-raised: #2b2b2f;
  --text: #f4f4f5;
  --text-dim: #b7b9c2;
  --primary: #39ff6a;
  --primary-ink: #06210f;
  --accent: #ff3d8a;
  --rule: #38383d;
}

[data-brand="g-wifi"] {
  --bg: #0b1b2e;
  --surface: #122a44;
  --surface-raised: #163454;
  --text: #f2f6fb;
  --text-dim: #a9b7c9;
  --primary: #2f8fff;
  --primary-ink: #041325;
  --accent: #ffb020;
  --rule: #1d3a58;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-display); margin: 0 0 0.4em; line-height: 1.1; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; color: var(--text-dim); }
a { color: inherit; }
code { font-family: var(--font-mono); }

.section-sub { max-width: 46ch; color: var(--text-dim); }

/* ---- Nav ---- */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  max-width: 1120px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.wordmark { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; color: var(--primary); }
.slot-icon { color: var(--primary); flex-shrink: 0; }

.brand-toggle {
  display: flex; background: var(--surface); border: 1px solid var(--rule);
  border-radius: 999px; padding: 3px;
}
.brand-btn {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.02em;
  background: transparent; border: none; color: var(--text-dim);
  padding: 6px 14px; border-radius: 999px; cursor: pointer;
}
.brand-btn.is-active { background: var(--primary); color: var(--primary-ink); font-weight: 600; }
.brand-btn:focus-visible, .btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

.nav-cta {
  font-size: 0.85rem; font-weight: 600; text-decoration: none;
  border: 1px solid var(--primary); color: var(--primary);
  padding: 8px 16px; border-radius: var(--radius-sm);
  white-space: nowrap;
}

/* ---- Buttons ---- */
.btn {
  display: inline-block; font-weight: 600; text-decoration: none;
  padding: 12px 22px; border-radius: var(--radius-sm); font-size: 0.95rem;
  border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--primary); color: var(--primary-ink); }
.btn-ghost { border-color: var(--rule); color: var(--text); background: transparent; }

/* ---- Hero ---- */
.hero {
  max-width: 1120px; margin: 0 auto; padding: 72px 24px 56px;
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center;
}
.eyebrow {
  font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 12px;
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); color: var(--text); }
.hero-sub { max-width: 52ch; font-size: 1.02rem; }
.hero-actions { display: flex; gap: 14px; margin: 22px 0; flex-wrap: wrap; }
.hero-boards {
  display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
  font-size: 0.8rem; color: var(--text-dim); margin-top: 18px;
}
.hero-boards code {
  background: var(--surface); border: 1px solid var(--rule);
  padding: 4px 8px; border-radius: var(--radius-sm); font-size: 0.75rem;
}

.hero-art { display: flex; justify-content: center; }
.coin-diagram { width: 100%; max-width: 320px; }
.art-body { fill: var(--surface); stroke: var(--rule); stroke-width: 1.5; }
.art-slot { fill: var(--bg); stroke: var(--rule); stroke-width: 1.5; }
.art-coin { fill: var(--accent); }
.art-rule { stroke: var(--rule); stroke-width: 1; }
.art-timer { font-family: var(--font-mono); font-size: 30px; fill: var(--primary); font-weight: 600; }
.art-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; fill: var(--text-dim); }
.art-wifi path, .art-wifi circle { stroke: var(--primary); fill: var(--primary); }

/* ---- Flow (how it works) ---- */
.flow { max-width: 1120px; margin: 40px auto; padding: 48px 24px; }
.flow-steps { list-style: none; margin: 32px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.flow-steps li { border-top: 2px solid var(--primary); padding-top: 16px; }
.flow-index { font-family: var(--font-mono); color: var(--accent); font-size: 0.85rem; }

/* ---- Rates ---- */
.rates { max-width: 1120px; margin: 0 auto; padding: 48px 24px; }
.rate-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 28px 0 16px; }
.rate-card {
  background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius-md);
  padding: 22px 16px; text-align: center;
}
.rate-price { display: block; font-family: var(--font-mono); font-size: 1.9rem; font-weight: 600; color: var(--primary); }
.rate-time { display: block; margin-top: 6px; font-size: 0.85rem; color: var(--text-dim); }
.rate-note { font-size: 0.85rem; max-width: 60ch; }

/* ---- Features ---- */
.features { max-width: 1120px; margin: 0 auto; padding: 48px 24px 64px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 28px; }
.feature {
  background: var(--surface); border: 1px solid var(--rule);
  border-radius: var(--radius-md); padding: 22px;
}
.feature h3 { color: var(--primary); }
.feature p { margin-bottom: 0; font-size: 0.92rem; }

/* ---- CTA / license form ---- */
.cta-section {
  max-width: 720px; margin: 0 auto; padding: 56px 24px 96px; text-align: center;
}
.license-form {
  display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 24px;
}
.license-form input, .license-form select {
  background: var(--surface); border: 1px solid var(--rule); color: var(--text);
  padding: 12px 14px; border-radius: var(--radius-sm); font-family: var(--font-body); font-size: 0.95rem;
}
.license-form input { flex: 1 1 240px; }
.form-status { margin-top: 12px; font-size: 0.85rem; color: var(--primary); min-height: 1.2em; }

/* ---- Footer ---- */
.site-footer { border-top: 1px solid var(--rule); padding: 32px 24px; }
.footer-inner { max-width: 1120px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-note { font-size: 0.8rem; margin: 0; }

/* ---- Responsive ---- */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding-top: 48px; }
  .hero-art { order: -1; }
  .flow-steps, .feature-grid { grid-template-columns: 1fr; }
  .rate-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-inner { flex-wrap: wrap; }
}