/* ============================================================================
   landing.css — marketing page (index.html). Calm, light, enterprise.
   Depends on tokens.css + base.css. Mobile-first; animates transform/opacity.
   ============================================================================ */

.landing { background: var(--bg); }
.landing main { background-image: var(--scene); background-attachment: scroll; }

/* ---- reveal-on-scroll (JS toggles .is-visible) ---------------------------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity var(--t-slow) var(--ease-out), transform var(--t-slow) var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---- section heads -------------------------------------------------------- */
.sec-head { max-width: 640px; margin-bottom: var(--s-8); }
.sec-title { font-size: var(--fs-2xl); margin-top: var(--s-3); }
.sec-sub { margin-top: var(--s-3); font-size: var(--fs-md); }
.section-alt { background: var(--bg-2); }

/* ---- hero ----------------------------------------------------------------- */
.hero { padding-top: var(--s-8); padding-bottom: var(--s-9); overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1fr; gap: var(--s-8); align-items: center; }
.hero-title { font-size: var(--fs-hero); background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { margin-top: var(--s-5); font-size: var(--fs-md); color: var(--text-2); max-width: 54ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-7); }
.hero-note { margin-top: var(--s-5); font-size: var(--fs-sm); color: var(--text-muted); }

.hero-scene { position: relative; }
.hero-canvas-wrap {
  position: relative; width: 100%; aspect-ratio: 5 / 4;
  border-radius: var(--r-2xl);
  background: var(--grad-hero);
  border: 1px solid var(--line-soft);
  box-shadow: var(--sh-3);
  overflow: hidden;
}
.hero-canvas-wrap canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-fallback { position: absolute; inset: 0; width: 100%; height: 100%; padding: var(--s-5); }
/* when 3D canvas mounts, JS adds .has-canvas to hide the static SVG */
.hero-canvas-wrap.has-canvas .hero-fallback { opacity: 0; }
.hero-loading { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 2; }
.hero-fb-cards g { animation: heroFloat 6s var(--ease) infinite; }
.hero-fb-cards g:nth-child(2) { animation-delay: -2s; }
.hero-fb-cards g:nth-child(3) { animation-delay: -4s; }
@keyframes heroFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@media (prefers-reduced-motion: reduce) { .hero-fb-cards g { animation: none; } }

.hero-scene-labels { display: flex; flex-wrap: wrap; gap: var(--s-2); justify-content: center; margin-top: var(--s-4); }

@media (min-width: 900px) {
  .hero { padding-top: var(--s-10); padding-bottom: var(--s-11); }
  .hero-inner { grid-template-columns: 1.05fr 0.95fr; gap: var(--s-9); }
  .hero-scene-labels { justify-content: flex-start; }
}

/* ---- steps ---------------------------------------------------------------- */
.steps { display: grid; grid-template-columns: 1fr; gap: var(--s-5); counter-reset: step; }
.step { position: relative; display: flex; flex-direction: column; gap: var(--s-3); }
.step-num {
  position: absolute; top: var(--s-5); right: var(--s-5);
  font-size: var(--fs-2xl); font-weight: 800; color: var(--accent-soft);
  font-variant-numeric: tabular-nums; line-height: 1;
}
.step-title { font-size: var(--fs-md); }
@media (min-width: 800px) { .steps { grid-template-columns: repeat(3, 1fr); } }

/* ---- personas ------------------------------------------------------------- */
.persona-grid { display: grid; grid-template-columns: 1fr; gap: var(--s-5); }
.persona { display: flex; flex-direction: column; gap: var(--s-3); }
.persona h3 { font-size: var(--fs-md); }
@media (min-width: 640px) { .persona-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .persona-grid { grid-template-columns: repeat(3, 1fr); } }

/* ---- result mockup -------------------------------------------------------- */
.mockup { overflow: hidden; box-shadow: var(--sh-4); }
.mockup-bar { display: flex; align-items: center; gap: var(--s-2); padding: var(--s-3) var(--s-4); background: var(--bg-2); border-bottom: 1px solid var(--line); }
.mockup-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--line-strong); }
.mockup-url { margin-left: var(--s-3); font-size: var(--fs-xs); color: var(--text-muted); }
.mockup-body { display: grid; grid-template-columns: 1fr; gap: 0; }
.mockup-main { padding: var(--s-6); display: flex; flex-direction: column; gap: var(--s-5); }
.mockup-hd { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--s-3); }
.mockup-hd h3 { font-size: var(--fs-lg); }
.mockup-block { display: flex; flex-direction: column; gap: var(--s-2); }
.mockup-block-hd { display: flex; align-items: center; gap: var(--s-2); font-size: var(--fs-sm); font-weight: 700; color: var(--accent-lo); }
.mockup-block-hd .icon { color: var(--accent); }
.mockup-tasks { display: flex; flex-direction: column; gap: var(--s-2); }
.mockup-tasks li { display: flex; align-items: center; flex-wrap: wrap; gap: var(--s-2); font-size: var(--fs-sm); }
.mockup-side { padding: var(--s-6); background: var(--bg-2); border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: var(--s-4); }
.mockup-player { display: flex; align-items: center; gap: var(--s-3); padding: var(--s-3); background: var(--card); border: 1px solid var(--line); border-radius: var(--r-md); }
.mockup-wave { flex: 1; display: flex; align-items: center; gap: 3px; height: 28px; }
.mockup-wave span { flex: 1; background: var(--accent-soft); border-radius: 2px; height: 40%; }
.mockup-wave span:nth-child(odd) { height: 75%; background: var(--accent); }
.mockup-wave span:nth-child(3n) { height: 55%; }
.mockup-tc { display: flex; flex-direction: column; gap: var(--s-2); }
.mockup-tc-row { display: flex; align-items: center; gap: var(--s-3); font-size: var(--fs-sm); }
@media (min-width: 860px) { .mockup-body { grid-template-columns: 1.7fr 1fr; } .mockup-side { border-top: 0; border-left: 1px solid var(--line); } }

/* ---- security (ink section) ---------------------------------------------- */
.section-ink { background: var(--ink-panel); color: var(--text-inv); border-radius: var(--r-2xl); margin-inline: var(--s-4); }
.eyebrow-inv { color: var(--accent-hi); }
.sec-title-inv { color: var(--text-inv); }
.sec-grid { display: grid; grid-template-columns: 1fr; gap: var(--s-5); }
.sec-card { padding: var(--s-5); background: var(--ink-panel-2); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--r-lg); display: flex; flex-direction: column; gap: var(--s-2); }
.sec-card .icon { color: var(--accent-hi); }
.sec-card h3 { font-size: var(--fs-md); color: var(--text-inv); }
.sec-card p { font-size: var(--fs-sm); color: rgba(244,245,249,0.66); }
.sec-more-btn { margin-top: var(--s-6); }
@media (min-width: 640px) { .sec-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .sec-grid { grid-template-columns: repeat(4, 1fr); } .section-ink { margin-inline: 0; } }

/* ---- pricing -------------------------------------------------------------- */
.price-grid { display: grid; grid-template-columns: 1fr; gap: var(--s-5); }
.price-card { position: relative; display: flex; flex-direction: column; gap: var(--s-3); }
.price-card--featured { border-color: var(--line-accent); box-shadow: var(--glow-accent); }
.price-badge { position: absolute; top: calc(-1 * var(--s-3)); left: var(--s-6); padding: 3px var(--s-3); font-size: var(--fs-xs); font-weight: 700; color: var(--text-inv); background: var(--accent); border-radius: var(--r-pill); }
.price-name { font-size: var(--fs-lg); }
.price-desc { font-size: var(--fs-sm); min-height: 2.6em; }
.price-amount { display: flex; align-items: baseline; gap: 2px; margin: var(--s-2) 0; }
.price-num { font-size: var(--fs-3xl); font-weight: 800; letter-spacing: var(--tracking-tight); }
.price-cur { font-size: var(--fs-lg); font-weight: 700; }
.price-per { font-size: var(--fs-sm); color: var(--text-2); margin-left: 2px; }
.price-feats { display: flex; flex-direction: column; gap: var(--s-2); margin: var(--s-2) 0 var(--s-5); flex: 1; }
.price-feats li { display: flex; align-items: flex-start; gap: var(--s-2); font-size: var(--fs-sm); color: var(--text-2); }
.price-feats .icon { color: var(--ok); margin-top: 2px; }
@media (min-width: 640px) { .price-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .price-grid { grid-template-columns: repeat(4, 1fr); } }

/* ---- final CTA ------------------------------------------------------------ */
.final-cta { padding: var(--s-9) var(--s-6); text-align: center; display: flex; flex-direction: column; align-items: center; gap: var(--s-4); background: var(--grad-hero); border: 1px solid var(--line); }
.final-cta h2 { font-size: var(--fs-2xl); }
.final-cta .hero-cta { justify-content: center; margin-top: var(--s-4); }