/* TorvaOS product-proof marketing — editorial, screenshot-led, anti-card */

:root {
  --ink: #f2f3f5;
  --ink-dim: #a7adb8;
  --ink-mute: #6f7580;
  --paper: #08090b;
  --panel: #0e1014;
  --line: rgba(255, 255, 255, 0.1);
  --steel: #c8ced8;
  --accent: #8eb0e8;
  --mark: #6ea8ff;
  --font: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --max: 1180px;
  --wide: 1360px;
}

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

body.proof {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.proof a { color: inherit; }
.proof img { max-width: 100%; height: auto; display: block; }
.proof .skip-link {
  position: absolute; left: -999px; top: 0;
}
.proof .skip-link:focus { left: 12px; top: 12px; z-index: 99; background: #fff; color: #000; padding: 8px 12px; }

.proof .wrap {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}
.proof .wrap-wide {
  width: min(100% - 1.5rem, var(--wide));
  margin-inline: auto;
}

.proof .site-header {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(10px);
  background: rgba(8, 9, 11, 0.88);
  border-bottom: 1px solid var(--line);
}
.proof .header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 64px;
}
.proof .brand {
  display: inline-flex; align-items: center; gap: 0.65rem;
  text-decoration: none; font-weight: 600; letter-spacing: -0.03em;
}
.proof .brand span { color: var(--steel); font-weight: 500; }
.proof .nav {
  display: flex; gap: 1.25rem; font-size: 0.92rem; color: var(--ink-dim);
}
.proof .nav a { text-decoration: none; }
.proof .nav a:hover { color: var(--ink); }
.proof .header-cta {
  text-decoration: none; background: #eceef2; color: #0a0b0d;
  padding: 0.55rem 0.95rem; border-radius: 8px; font-weight: 600; font-size: 0.9rem;
}
.proof .menu-toggle { display: none; }

/* Hero */
.proof .hero {
  padding: 3.5rem 0 2rem;
}
.proof .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.2fr);
  gap: 2rem 2.5rem;
  align-items: start;
}
.proof .hero-brand {
  margin: 0 0 1rem;
  font-size: clamp(2.8rem, 5.5vw, 4.2rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 0.95;
}
.proof .hero-brand span { color: var(--steel); font-weight: 500; }
.proof .hero h1 {
  margin: 0;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.25;
  color: var(--ink);
  text-transform: none;
}
.proof .hero-lead {
  margin: 1rem 0 0;
  color: var(--ink-dim);
  max-width: 36rem;
  font-size: 1.05rem;
}
.proof .hero-form-wrap { margin-top: 1.75rem; }
.proof .email-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.6rem;
}
.proof .email-form input[type="email"] {
  background: #12141a;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  padding: 0.85rem 1rem;
  font: inherit;
}
.proof .btn-primary {
  border: 0;
  border-radius: 8px;
  background: #eceef2;
  color: #0a0b0d;
  font: inherit;
  font-weight: 600;
  padding: 0.85rem 1.15rem;
  cursor: pointer;
}
.proof .hero-note {
  margin: 0.75rem 0 0;
  color: var(--ink-mute);
  font-size: 0.88rem;
}
.proof .honeypot, .proof .visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0);
}

.proof .hero-stack {
  position: relative;
  min-height: 420px;
}
.proof .shot {
  border: 1px solid rgba(255,255,255,0.12);
  background: #fff;
  overflow: hidden;
}
.proof .shot img { width: 100%; }
.proof .shot-caption {
  margin: 0.65rem 0 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.proof .hero-primary {
  position: relative;
  z-index: 2;
  box-shadow: 0 28px 80px rgba(0,0,0,0.55);
}
.proof .hero-layer {
  position: absolute;
  width: 42%;
  opacity: 0.92;
  box-shadow: 0 18px 50px rgba(0,0,0,0.45);
}
.proof .hero-layer-a { right: -2%; top: 8%; z-index: 1; transform: rotate(2deg); }
.proof .hero-layer-b { left: -4%; bottom: -6%; z-index: 3; width: 38%; transform: rotate(-2.5deg); }

/* Sections */
.proof .act {
  padding: 4.5rem 0;
  border-top: 1px solid var(--line);
}
.proof .kicker {
  margin: 0 0 0.75rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.proof .act h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.12;
  max-width: 16ch;
  text-transform: none;
}
.proof .act-lead {
  margin: 1rem 0 0;
  color: var(--ink-dim);
  max-width: 38rem;
  font-size: 1.05rem;
}
.proof .bleed {
  margin-top: 2rem;
}
.proof .bleed .shot {
  width: min(100%, var(--wide));
  margin-inline: auto;
}
.proof .bleed.edge-right .shot {
  margin-right: 0;
  margin-left: max(0px, calc((100vw - var(--wide)) / 2));
  width: min(100vw - 1rem, calc(var(--wide) + ((100vw - var(--wide)) / 2)));
}
.proof .callouts {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
  margin-top: 1.25rem;
  color: var(--ink-mute);
  font-size: 0.92rem;
}
.proof .callouts strong { color: var(--ink); font-weight: 560; display: block; }

.proof .nav-scope {
  display: grid;
  grid-template-columns: minmax(12rem, 18rem) 1fr;
  gap: 2.5rem;
  align-items: start;
  margin-top: 2.5rem;
}
.proof .nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line);
}
.proof .nav-list li {
  padding: 0.45rem 0 0.45rem 1rem;
  color: var(--ink-mute);
  font-size: 0.95rem;
}
.proof .nav-list li.is-on { color: var(--ink); border-left: 2px solid var(--accent); margin-left: -1px; }
.proof .scope-line {
  margin: 0;
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  letter-spacing: -0.03em;
  font-weight: 600;
  max-width: 14ch;
  line-height: 1.2;
}

.proof .split-proof {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: end;
  margin-top: 2rem;
}
.proof .split-proof .label {
  margin: 0 0 0.75rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.proof .aff-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 1.25rem;
  margin-top: 2rem;
  align-items: start;
}
.proof .truth-list {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  max-width: 40rem;
}
.proof .truth-list li {
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
  color: var(--ink-dim);
}
.proof .truth-list strong { color: var(--ink); font-weight: 560; }

.proof .chain {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  margin-top: 2rem;
  font-size: 0.92rem;
  color: var(--ink-dim);
}
.proof .chain span {
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--line);
}
.proof .chain i {
  font-style: normal;
  color: var(--ink-mute);
}
.proof .chain-center {
  margin-top: 1.5rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.proof .pricing-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 2.5rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.proof .price {
  padding: 1.75rem 1.25rem;
  border-right: 1px solid var(--line);
}
.proof .price:last-child { border-right: 0; }
.proof .price .name {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.proof .price .amt {
  margin: 0.65rem 0 0.35rem;
  font-size: 2rem;
  letter-spacing: -0.04em;
  font-weight: 600;
}
.proof .price .amt small { font-size: 0.95rem; color: var(--ink-mute); font-weight: 500; }
.proof .price p { margin: 0; color: var(--ink-dim); }
.proof .price.featured { background: rgba(255,255,255,0.02); }
.proof .price .badge {
  display: inline-block;
  margin-top: 0.85rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.proof .ea-form .ea-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}
.proof .ea-form .field { display: flex; flex-direction: column; gap: 0.35rem; }
.proof .ea-form .field.full { grid-column: 1 / -1; }
.proof .ea-form label { font-size: 0.85rem; color: var(--ink-mute); }
.proof .ea-form input,
.proof .ea-form select,
.proof .ea-form textarea {
  background: #12141a;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  padding: 0.75rem 0.9rem;
  font: inherit;
}
.proof .ea-form textarea { min-height: 100px; resize: vertical; }

.proof .site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 2rem;
  color: var(--ink-mute);
  font-size: 0.9rem;
}
.proof .footer-top {
  display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap;
}
.proof .footer-nav { display: flex; flex-wrap: wrap; gap: 1rem 1.25rem; }
.proof .footer-nav a { text-decoration: none; color: var(--ink-dim); }
.proof .footer-bottom { margin-top: 2rem; }

@media (max-width: 980px) {
  .proof .nav { display: none; }
  .proof .hero-grid,
  .proof .nav-scope,
  .proof .split-proof,
  .proof .aff-grid,
  .proof .pricing-row,
  .proof .ea-form .ea-grid {
    grid-template-columns: 1fr;
  }
  .proof .hero-layer { display: none; }
  .proof .hero-stack { min-height: 0; }
  .proof .bleed.edge-right .shot {
    margin-left: auto;
    width: min(100%, var(--wide));
  }
  .proof .price { border-right: 0; border-bottom: 1px solid var(--line); }
  .proof .price:last-child { border-bottom: 0; }
}