*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --dark:   #0D0F14;
  --mid:    #161920;
  --card:   #1C2030;
  --border: #2A2E3F;
  --text:   #E8EAF0;
  --muted:  #7A8099;
  --accent: #4F8EF7;
  --green:  #4CAF82;
  --gold:   #C8A45A;
  --red:    #E05C5C;
}

body {
  background: var(--dark);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

/* ── Header ── */
.s-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(13,15,20,.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.s-header-inner {
  max-width: 980px; margin: 0 auto; padding: 0 24px;
  height: 56px; display: flex; align-items: center; justify-content: space-between;
}
.s-logo { font-size: 1.05rem; font-weight: 600; letter-spacing: .02em; }
.s-logo em { color: var(--accent); font-style: normal; }
.s-nav { display: flex; align-items: center; gap: 4px; }
.s-nav-link { color: var(--muted); text-decoration: none; font-size: .875rem; padding: 6px 12px; border-radius: 6px; transition: color .15s; }
.s-nav-link:hover { color: var(--text); }
.s-nav-divider { width: 1px; height: 18px; background: var(--border); margin: 0 8px; }
.s-btn-primary {
  background: var(--accent); color: #fff;
  font-size: .875rem; font-weight: 500; padding: 8px 18px;
  border-radius: 7px; text-decoration: none; transition: opacity .15s;
}
.s-btn-primary:hover { opacity: .85; }

/* ── Container ── */
.s-container { max-width: 980px; margin: 0 auto; padding: 0 24px; }

/* ── Hero ── */
.s-hero { padding: 80px 0 72px; text-align: center; }
.s-badge {
  display: inline-block; font-size: .72rem; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent); background: rgba(79,142,247,.1);
  border: 1px solid rgba(79,142,247,.25); border-radius: 20px;
  padding: 4px 14px; margin-bottom: 24px;
}
h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 600; line-height: 1.15; margin-bottom: 20px; letter-spacing: -.02em; }
.s-hero-sub { font-size: 1.05rem; color: var(--muted); max-width: 520px; margin: 0 auto 32px; line-height: 1.65; }
.s-hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 48px; }
.s-btn-ghost {
  background: transparent; color: var(--muted); font-size: .925rem;
  padding: 10px 24px; border-radius: 8px; border: 1px solid var(--border);
  text-decoration: none; transition: color .15s, border-color .15s;
}
.s-btn-ghost:hover { color: var(--text); border-color: var(--muted); }

/* ── Sections ── */
.s-section { padding: 72px 0; border-top: 1px solid var(--border); }
.s-eyebrow { font-size: .72rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.s-section-title { font-size: 1.75rem; font-weight: 600; margin-bottom: 12px; letter-spacing: -.01em; }
.s-section-sub { color: var(--muted); font-size: .95rem; margin-bottom: 40px; }

/* ── Feature grid — 4×1 → 2×2 → 1×4 ── */
.s-feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 36px; }
@media (max-width: 860px) { .s-feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .s-feature-grid { grid-template-columns: 1fr; } }
.s-feature-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 22px; }
.s-feature-icon { font-size: 1.4rem; margin-bottom: 10px; }
.s-feature-title { font-size: .925rem; font-weight: 600; margin-bottom: 8px; }
.s-feature-desc { font-size: .82rem; color: var(--muted); line-height: 1.55; }

/* ── Pricing ── */
.s-pricing-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; margin-top: 36px; }
.s-plan-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 28px; }
.s-plan-card.featured { border-color: var(--accent); background: rgba(79,142,247,.05); }
.s-plan-name { font-size: .75rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.s-plan-price { font-size: 2.25rem; font-weight: 600; letter-spacing: -.03em; margin-bottom: 4px; }
.s-plan-period { font-size: .8rem; color: var(--muted); margin-bottom: 20px; }
.s-plan-credits { font-size: .95rem; font-weight: 500; margin-bottom: 6px; }
.s-plan-note { font-size: .8rem; color: var(--muted); margin-bottom: 24px; line-height: 1.5; }
.s-plan-cta { display: block; text-align: center; background: var(--accent); color: #fff; font-size: .875rem; font-weight: 500; padding: 10px; border-radius: 8px; text-decoration: none; transition: opacity .15s; }
.s-plan-cta:hover { opacity: .85; }
.s-plan-card:not(.featured) .s-plan-cta { background: transparent; color: var(--accent); border: 1px solid rgba(79,142,247,.4); }

/* ── Pricing (single plan) ── */
.s-pricing-center { display: flex; justify-content: center; margin-top: 36px; }
.s-plan-solo { max-width: 380px; width: 100%; position: relative; }
.s-plan-badge { display: inline-block; background: rgba(79,142,247,.15); color: var(--accent); font-size: .7rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; padding: 3px 10px; border-radius: 20px; margin-bottom: 14px; }

/* ── Refill tiers ── */
.s-refill-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; margin-top: 28px; }
.s-refill-card { background: var(--mid); border: 1px solid var(--border); border-radius: 10px; padding: 20px; text-align: center; }
.s-refill-card.featured { border-color: var(--accent); background: rgba(79,142,247,.05); }
.s-refill-label { font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--accent); margin-bottom: 8px; }
.s-refill-price { font-size: 1.5rem; font-weight: 600; letter-spacing: -.02em; margin-bottom: 4px; }
.s-refill-codes { font-size: .8rem; color: var(--green); font-weight: 500; margin-bottom: 8px; }
.s-refill-note { font-size: .75rem; color: var(--muted); line-height: 1.4; }

/* ── Code samples ── */
.s-code-block { background: var(--mid); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; text-align: left; max-width: 680px; margin: 32px auto 0; }
.s-code-header { display: flex; align-items: center; gap: 10px; padding: 10px 16px; border-bottom: 1px solid var(--border); background: rgba(0,0,0,.15); }
.s-code-dots { display: flex; gap: 5px; }
.s-code-dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.s-code-label { font-size: .75rem; color: var(--muted); font-family: 'DM Mono', monospace; }
.s-code-block pre { padding: 20px; font-family: 'DM Mono', monospace; font-size: .8rem; line-height: 1.7; overflow-x: auto; color: var(--text); }
.c-kw  { color: #c792ea; }
.c-str { color: var(--green); }
.c-fn  { color: var(--accent); }
.c-comment { color: var(--muted); font-style: italic; }

/* ── Footer ── */
.s-footer { border-top: 1px solid var(--border); padding: 32px 0; }
.s-footer-inner { max-width: 980px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.s-footer-links { display: flex; gap: 20px; flex-wrap: wrap; flex: 1; }
.s-footer-links a { color: var(--muted); text-decoration: none; font-size: .82rem; transition: color .15s; }
.s-footer-links a:hover { color: var(--text); }
.s-footer-note { font-size: .75rem; color: var(--border); }
code { font-family: 'DM Mono', monospace; font-size: .82em; color: var(--accent); }