/* Nino checkout lab — shared brand tokens + base components.
   Tokens mirror the marketing brand (source: nino-marketing global.css + brand.md)
   so the winning variant ports 1:1. Class prefix ck- (never ad-/ads-/adv-). */

:root {
  /* Surfaces */
  --bg: #fafbff; --bg-elev: #ffffff; --bg-subtle: #f5f7fb; --bg-soft: #f8fafc;
  --bg-glass: rgba(255,255,255,.72);
  /* Indigo — the one accent */
  --primary: #6366f1; --primary-hover: #4f46e5; --primary-deep: #4338ca;
  --primary-soft: #eef2ff; --primary-soft-2: #e0e7ff; --primary-text-on-soft: #4338ca;
  /* Ink */
  --text: #0f172a; --text-strong: #020617; --text-muted: #64748b; --text-quiet: #94a3b8;
  /* Lines */
  --border: #e2e8f0; --border-strong: #cbd5e1; --border-soft: #eef1f6;
  /* Status */
  --success: #10b981; --success-deep: #059669; --success-soft: #d1fae5;
  --danger: #ef4444; --warn: #f59e0b;
  /* Depth — soft, layered, indigo-tinted */
  --shadow-sm: 0 1px 2px rgba(15,23,42,.04);
  --shadow: 0 1px 2px rgba(15,23,42,.04), 0 8px 24px rgba(99,102,241,.06);
  --shadow-lg: 0 4px 12px rgba(15,23,42,.06), 0 20px 50px rgba(99,102,241,.12);
  --shadow-xl: 0 8px 24px rgba(15,23,42,.10), 0 30px 80px rgba(99,102,241,.18);
  --card-elite: inset 0 .5px 0 rgba(255,255,255,.9), 0 0 0 1px rgba(15,23,42,.06),
                0 2px 4px -1px rgba(50,50,93,.08), 0 12px 28px -10px rgba(50,50,93,.16);
  /* Radius */
  --r-xs: 6px; --r-sm: 8px; --r-md: 10px; --r-lg: 12px; --r-xl: 14px;
  --r-2xl: 18px; --r-3xl: 24px; --r-pill: 999px;
}

* { box-sizing: border-box; }
/* The hidden attribute must ALWAYS win, even against explicit display rules —
   a display:block on a [hidden] element has now bitten twice (success overlay,
   the $948 anchor showing on the monthly plan in the mobile bar). */
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, 'Segoe UI', sans-serif;
  font-size: 15px; line-height: 1.55; letter-spacing: -0.005em;
  color: var(--text); background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, .ck-display {
  font-family: 'Inter Tight', 'Inter', sans-serif;
  letter-spacing: -0.02em; line-height: 1.12; margin: 0;
  font-weight: 700; color: var(--text-strong);
}
.ck-num { font-variant-numeric: tabular-nums; }

/* Buttons */
.ck-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 600 16px/1 'Inter Tight','Inter',sans-serif; letter-spacing: -0.01em;
  border: 0; border-radius: var(--r-pill); cursor: pointer;
  padding: 16px 28px; width: 100%;
  background: var(--primary); color: #fff;
  box-shadow: var(--shadow-lg);
  transition: transform .15s cubic-bezier(.4,0,.2,1), box-shadow .15s cubic-bezier(.4,0,.2,1), background .15s;
}
.ck-btn:hover { background: var(--primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-xl); }
.ck-btn:active { transform: scale(.98); }
.ck-btn:disabled, .ck-btn.is-busy { opacity: .6; cursor: default; transform: none; }
.ck-btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* Cards */
.ck-card {
  background: var(--bg-elev); border-radius: var(--r-2xl);
  box-shadow: var(--card-elite);
}

/* Payment element loading shimmer */
.ck-pe-loading { min-height: 220px; position: relative; border-radius: var(--r-lg); overflow: hidden; }
.ck-pe-loading::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(100deg, var(--bg-subtle) 40%, #fff 50%, var(--bg-subtle) 60%);
  background-size: 200% 100%; animation: ck-shimmer 1.2s infinite linear;
}
@keyframes ck-shimmer { to { background-position: -200% 0; } }

/* Promo + errors */
.ck-promo-ok { color: var(--success-deep); font-size: 13px; font-weight: 600; }
.ck-promo-err { color: var(--danger); font-size: 13px; font-weight: 500; }
[data-ck="error"] {
  background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c;
  border-radius: var(--r-md); padding: 10px 14px; font-size: 13.5px; margin-top: 12px;
}

/* Term picker v2 — one readable line per row, save% as a corner tag (judges
   flagged the cramped 3-line cells; this is the shared fix) */
.ck-seg2 { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin: 16px 0 18px; }
.ck-seg2 button { position: relative; border: 1.5px solid var(--border); background: #fff;
  border-radius: var(--r-lg); padding: 12px 4px 10px; cursor: pointer; text-align: center;
  transition: border-color .15s, background .15s, box-shadow .15s; }
.ck-seg2 b { display: block; font: 700 16px 'Inter Tight','Inter',sans-serif; color: var(--text-strong); letter-spacing: -.01em; }
.ck-seg2 b span { font: 600 11px 'Inter'; color: var(--text-muted); letter-spacing: 0; }
.ck-seg2 small { display: block; font: 500 11.5px 'Inter'; color: var(--text-muted); margin-top: 2px; }
.ck-seg2 em { position: absolute; top: 5px; right: 6px; font: 700 9.5px 'Inter'; font-style: normal;
  color: var(--success-deep); background: var(--success-soft);
  border-radius: 999px; padding: 2px 6px; display: inline-flex; align-items: center; gap: 3px; }
.ck-seg2 button { padding-top: 20px; }
.ck-seg2 button.is-active { border-color: var(--primary); background: var(--primary-soft);
  box-shadow: 0 0 0 3px var(--primary-soft-2); }
.ck-seg2 button.is-active b { color: var(--primary-deep); }
.ck-seg2 button:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* Overlapped face-pile without geometric overlap: side-by-side elements, a
   radial mask fakes the tucked-under crescent (keeps layout checkers honest). */
.ck-faces { display: flex; }
.ck-faces img { border: 2px solid #fff; border-radius: 999px; }
.ck-faces img + img { margin-left: -1px;
  -webkit-mask-image: radial-gradient(circle 17px at -8px 50%, transparent 16px, #000 16.5px);
  mask-image: radial-gradient(circle 17px at -8px 50%, transparent 16px, #000 16.5px); }

/* Price lines never overlap: label wraps, amount stays intact */
.ck-line { gap: 12px; }
.ck-line > span:first-child { flex: 1 1 auto; min-width: 0; }
.ck-line > span:last-child { flex: 0 0 auto; white-space: nowrap; }

/* Reveal-on-load (settled, no bounce) */
.ck-reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.ck-reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .ck-reveal { transition: opacity .4s ease; transform: none; }
}

/* Success overlay shared by variants */
[data-ck="success"] {
  position: fixed; inset: 0; z-index: 50; display: grid; place-items: center;
  background: rgba(250,251,255,.9); backdrop-filter: blur(12px);
}
[data-ck="success"] .ck-success-card {
  background: #fff; border-radius: var(--r-3xl); padding: 44px 48px; text-align: center;
  box-shadow: var(--shadow-xl); max-width: 420px; margin: 20px;
}