/* =============================================
   v3 visual shell — shared CSS for v3-redesigned pages.
   Layered on top of design-system.css; provides v3's
   editorial palette + nav/footer + button system.
   ============================================= */

:root {
  --v3-bg: #0a0b0f;
  --v3-bg-1: #0f1116;
  --v3-bg-2: #15171f;
  --v3-bg-3: #1d2029;
  --v3-bg-4: #272b36;
  --v3-line: rgba(255, 255, 255, .06);
  --v3-line-2: rgba(255, 255, 255, .1);
  --v3-ink: #f4f5f8;
  --v3-ink-2: #c8cad4;
  --v3-ink-3: #8a8e9e;
  --v3-ink-4: #54586a;
  --v3-lime: #c0ff5e;
  --v3-lime-d: #9fdb3a;
  --v3-lime-soft: rgba(192, 255, 94, .12);
  --v3-sky: #7dd6ff;
  --v3-rose: #ff6b8e;
  --v3-amber: #ffc857;
  --v3-violet: #b08bff;
  --v3-r: 14px;
  --v3-r-lg: 20px;
  --v3-r-xl: 28px;
  --v3-sans: 'Cabinet Grotesk', system-ui, -apple-system, sans-serif;
  --v3-serif: 'Instrument Serif', 'Times New Roman', serif;
  --v3-mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  --v3-shadow: 0 30px 80px rgba(0, 0, 0, .5), 0 12px 32px rgba(0, 0, 0, .3);
}

body.v3 {
  font-family: var(--v3-sans);
  background: var(--v3-bg);
  color: var(--v3-ink);
  line-height: 1.55;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
body.v3 a { color: inherit; text-decoration: none; }
body.v3 button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
body.v3 :focus-visible { outline: 2px solid var(--v3-lime); outline-offset: 3px; border-radius: 6px; }

.v3 .grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 1; opacity: .04; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/></svg>");
}
.v3 .glow-a, .v3 .glow-b {
  position: fixed; border-radius: 50%; filter: blur(140px); pointer-events: none; z-index: 0;
}
.v3 .glow-a { width: 720px; height: 720px; background: rgba(192,255,94,.07); top: -280px; left: -200px; }
.v3 .glow-b { width: 520px; height: 520px; background: rgba(125,214,255,.04); top: 30%; right: -200px; }

.v3 main { position: relative; z-index: 2; }
.v3 .wrap { max-width: 1280px; margin: 0 auto; padding: 0 40px; }

/* === NAV === */
.v3 .nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  padding: 18px 32px; display: flex; align-items: center; gap: 24px;
  background: linear-gradient(180deg, rgba(10,11,15,.88) 0%, rgba(10,11,15,.6) 70%, transparent);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
}
.v3 .nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 900; font-size: 17px; letter-spacing: -.02em; color: var(--v3-ink); }
.v3 .nav-logo svg { width: 28px; height: 28px; }
.v3 .nav-logo .tld { color: var(--v3-lime); }
.v3 .nav-links { display: flex; gap: 28px; margin-left: 48px; }
.v3 .nav-links a {
  font-size: 13.5px; color: var(--v3-ink-3); font-weight: 500;
  transition: color .2s;
}
.v3 .nav-links a:hover, .v3 .nav-links a.on { color: var(--v3-ink); }
.v3 .nav-right { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.v3 .btn {
  padding: 9px 18px; font-size: 13.5px; font-weight: 700; border-radius: 10px;
  display: inline-flex; align-items: center; gap: 7px; transition: all .18s ease;
  letter-spacing: -.005em;
}
.v3 .btn svg { width: 14px; height: 14px; stroke-width: 2.5; }
.v3 .btn-ghost { color: var(--v3-ink-2); }
.v3 .btn-ghost:hover { color: var(--v3-ink); background: rgba(255,255,255,.04); }
.v3 .btn-stroke { border: 1px solid var(--v3-line-2); color: var(--v3-ink); }
.v3 .btn-stroke:hover { border-color: rgba(255,255,255,.25); background: rgba(255,255,255,.03); }
.v3 .btn-fill { background: var(--v3-lime); color: var(--v3-bg); }
.v3 .btn-fill:hover { background: var(--v3-lime-d); transform: translateY(-1px); box-shadow: 0 8px 32px rgba(192,255,94,.3); }
.v3 .btn:active { transform: translateY(1px) scale(.99); }
.v3 .btn:disabled,
.v3 .btn[aria-disabled="true"] {
  opacity: .55;
  cursor: not-allowed;
  pointer-events: none;
  transform: none;
  box-shadow: none;
}
.v3 .btn-lg { padding: 13px 22px; font-size: 14.5px; border-radius: 11px; }
.v3 .btn-sm { padding: 6px 12px; font-size: 12px; border-radius: 8px; }
.v3 .menu-btn { display: none; padding: 8px; border: 1px solid var(--v3-line-2); border-radius: 9px; }
.v3 .menu-btn svg { width: 18px; height: 18px; }

/* === Eyebrow === */
.v3 .eyebrow {
  display: inline-flex; align-items: center; gap: 10px; padding: 6px 12px 6px 8px;
  border-radius: 99px; background: rgba(192,255,94,.06); border: 1px solid rgba(192,255,94,.18);
  font-size: 11.5px; font-weight: 600; color: var(--v3-lime); letter-spacing: .06em;
}
.v3 .eyebrow .pulse {
  width: 7px; height: 7px; border-radius: 50%; background: var(--v3-lime);
  box-shadow: 0 0 0 0 rgba(192,255,94,.5); animation: v3-pulse 2.4s infinite;
}
@keyframes v3-pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(192,255,94,.5); } 50% { box-shadow: 0 0 0 8px rgba(192,255,94,0); } }

/* === Sec headers === */
.v3 .sec { padding: 100px 0; position: relative; }
.v3 .sec-h { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 48px; gap: 48px; }
.v3 .sec-h .left { max-width: 640px; }
.v3 .sec-tag { display: inline-block; font-size: 11px; font-weight: 800; color: var(--v3-lime); letter-spacing: .18em; text-transform: uppercase; margin-bottom: 18px; }
.v3 .sec-title { font-size: clamp(32px, 4.5vw, 64px); line-height: 1.02; letter-spacing: -.03em; font-weight: 900; }
.v3 .sec-title em { font-family: var(--v3-serif); font-style: italic; color: var(--v3-lime); font-weight: 400; }
.v3 .sec-sub { font-size: 16px; color: var(--v3-ink-3); line-height: 1.55; max-width: 440px; }

/* === Cards / inputs / chips === */
.v3 .card-v3 { background: var(--v3-bg-1); border: 1px solid var(--v3-line); border-radius: var(--v3-r-lg); padding: 28px; }
.v3 .input-v3, .v3 .textarea-v3, .v3 .select-v3 {
  width: 100%; padding: 12px 14px; background: var(--v3-bg-2); border: 1px solid var(--v3-line-2);
  border-radius: 10px; color: var(--v3-ink); font-family: inherit; font-size: 14px; outline: none;
  transition: border-color .15s;
}
.v3 .input-v3:focus, .v3 .textarea-v3:focus, .v3 .select-v3:focus { border-color: var(--v3-lime); }
.v3 .textarea-v3 { min-height: 140px; resize: vertical; line-height: 1.55; }
.v3 .label-v3 { display: block; font-size: 12px; font-weight: 700; color: var(--v3-ink-3); letter-spacing: .04em; text-transform: uppercase; margin-bottom: 6px; }
.v3 .field-v3 { margin-bottom: 16px; }
.v3 .chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px;
  background: var(--v3-bg-2); border: 1px solid var(--v3-line); border-radius: 99px;
  font-size: 12px; font-weight: 600; color: var(--v3-ink-2); transition: all .15s;
}
.v3 .chip.active, .v3 .chip[aria-selected="true"] { background: var(--v3-lime-soft); border-color: rgba(192,255,94,.4); color: var(--v3-lime); }
.v3 .badge-v3 { display: inline-flex; align-items: center; gap: 6px; padding: 3px 9px; border-radius: 6px; background: var(--v3-bg-3); color: var(--v3-ink-2); font-size: 11px; font-weight: 700; letter-spacing: .04em; }
.v3 .badge-lime { background: var(--v3-lime-soft); color: var(--v3-lime); }
.v3 .badge-amber { background: rgba(255,200,87,.12); color: var(--v3-amber); }
.v3 .badge-sky { background: rgba(125,214,255,.12); color: var(--v3-sky); }
.v3 .badge-rose { background: rgba(255,107,142,.12); color: var(--v3-rose); }
.v3 .badge-violet { background: rgba(176,139,255,.12); color: var(--v3-violet); }

/* === Tables === */
.v3 .table-v3 { width: 100%; border-collapse: collapse; }
.v3 .table-v3 th, .v3 .table-v3 td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--v3-line); font-size: 13.5px; }
.v3 .table-v3 th { font-size: 11px; font-weight: 800; color: var(--v3-ink-4); letter-spacing: .14em; text-transform: uppercase; }
.v3 .table-v3 tbody tr:hover { background: var(--v3-bg-2); }

/* === Footer === */
.v3 footer.foot-v3 { padding: 60px 0 40px; border-top: 1px solid var(--v3-line); font-size: 13.5px; color: var(--v3-ink-3); margin-top: 80px; }
.v3 .foot { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 60px; margin-bottom: 48px; }
.v3 .foot-brand { max-width: 320px; }
.v3 .foot-brand svg { width: 32px; height: 32px; margin-bottom: 14px; }
.v3 .foot-brand p { line-height: 1.6; }
.v3 .foot-col h5 { color: var(--v3-ink); font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 14px; }
.v3 .foot-col a { display: block; padding: 5px 0; color: var(--v3-ink-3); transition: color .15s; }
.v3 .foot-col a:hover { color: var(--v3-ink); }
.v3 .foot-bottom { padding-top: 28px; border-top: 1px solid var(--v3-line); display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--v3-ink-4); flex-wrap: wrap; gap: 14px; }

/* === Toast === */
.v3 .toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--v3-bg-2); border: 1px solid var(--v3-line-2);
  padding: 12px 18px; border-radius: 10px; color: var(--v3-ink);
  z-index: 200; box-shadow: var(--v3-shadow); font-size: 13.5px; font-weight: 600;
}
.v3 .toast.err { border-color: var(--v3-rose); color: var(--v3-rose); }

/* === Responsive === */
@media (max-width: 1100px) {
  .v3 .foot { grid-template-columns: 1fr 1fr; }
  .v3 .foot-brand { grid-column: span 2; }
}
@media (max-width: 720px) {
  .v3 .wrap { padding: 0 20px; }
  .v3 .nav { padding: 14px 20px; }
  .v3 .nav-links { display: none; }
  .v3 .menu-btn { display: inline-grid; }
  .v3 .sec-h { flex-direction: column; gap: 24px; align-items: flex-start; }
  .v3 .foot { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (prefers-reduced-motion: reduce) {
  .v3 * { animation: none !important; transition: none !important; }
}