/* ==========================================================================
   SONARIS — marketing site
   One stylesheet, no build step. Tokens → base → components → sections.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --font-display: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --font-sans: "Inter", -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --ink-0: #07080c;        /* page */
  --ink-1: #0d0e14;        /* section alt */
  --ink-2: #13151d;        /* card */
  --ink-3: #1a1d27;        /* raised */
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);

  --paper-0: #f4f2ec;      /* light section */
  --paper-1: #ebe8df;
  --paper-ink: #15161c;
  --paper-mid: #5c5f6b;
  --paper-line: rgba(21, 22, 28, 0.12);

  --txt: #f3f4f8;
  --txt-mid: #a7abbb;
  --txt-lo: #6b7083;

  --amber: #ffb547;
  --amber-deep: #e5950f;
  --amber-ink: #2a1a00;
  --violet: #8b7cff;
  --violet-deep: #5a4be0;
  --rose: #ff6fa5;
  --mint: #5fe3c0;
  --sky: #6fb6ff;

  --glow-a: rgba(255, 181, 71, 0.55);
  --glow-b: rgba(139, 124, 255, 0.5);
  --glow-c: rgba(255, 111, 165, 0.35);

  --r-sm: 6px; --r-md: 10px; --r-lg: 16px; --r-xl: 24px; --r-full: 999px;
  --page: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ink-0);
  color: var(--txt);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
h1, h2, h3, h4, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
::selection { background: var(--amber); color: var(--amber-ink); }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 4px; }

.skip {
  position: absolute; left: -999px; top: 8px; z-index: 100;
  background: var(--amber); color: var(--amber-ink); padding: 8px 12px; border-radius: var(--r-sm);
}
.skip:focus { left: 8px; }

.container { width: min(var(--page), 100% - 2 * var(--gutter)); margin-inline: auto; }
.container--narrow { width: min(820px, 100% - 2 * var(--gutter)); margin-inline: auto; }

/* ---------- Typography ---------- */
.display {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.02em;
  font-size: clamp(2.9rem, 7.2vw, 6.2rem);
  text-wrap: balance;
}
.display em, .h2 em, .h3 em { font-style: italic; color: var(--amber); }
.display .vio, .h2 .vio { font-style: italic; color: var(--violet); }
.h2 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.015em;
  font-size: clamp(2.1rem, 4.6vw, 3.8rem);
  text-wrap: balance;
}
.h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.08;
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  letter-spacing: -0.01em;
}
.h4 { font-weight: 600; font-size: 1.05rem; letter-spacing: -0.01em; }
.lede { font-size: clamp(1.1rem, 1.6vw, 1.3rem); line-height: 1.5; color: var(--txt-mid); max-width: 60ch; text-wrap: pretty; }
.sub { color: var(--txt-mid); max-width: 62ch; text-wrap: pretty; }
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--txt-mid);
}
.kicker::before { content: ""; width: 22px; height: 1px; background: var(--amber); }
.kicker--plain::before { display: none; }
.mono { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.06em; color: var(--txt-lo); }
.muted { color: var(--txt-mid); }
.center { text-align: center; }
.center .lede, .center .sub { margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 20px; border-radius: var(--r-full);
  font-weight: 600; font-size: 0.95rem; letter-spacing: -0.005em; line-height: 1;
  border: 1px solid transparent; white-space: nowrap;
  transition: transform .25s var(--ease), background .25s, border-color .25s, box-shadow .25s, color .25s;
}
.btn svg { width: 16px; height: 16px; }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--amber); color: var(--amber-ink); box-shadow: 0 0 0 0 rgba(255,181,71,0); }
.btn--primary:hover { background: #ffc466; box-shadow: 0 8px 30px -8px var(--glow-a); transform: translateY(-1px); }
.btn--ghost { border-color: var(--line-strong); color: var(--txt); background: rgba(255,255,255,0.02); }
.btn--ghost:hover { border-color: rgba(255,255,255,0.3); background: rgba(255,255,255,0.05); }
.btn--paper { background: var(--paper-ink); color: var(--paper-0); }
.btn--paper:hover { background: #000; }
.btn--sm { padding: 10px 16px; font-size: 0.88rem; }
.btn--lg { padding: 16px 26px; font-size: 1.02rem; }
.btn--link { padding: 0; border: 0; border-radius: 0; color: var(--amber); gap: 6px; }
.btn--link:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: rgba(7, 8, 12, 0.55);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.nav.is-scrolled { border-bottom-color: var(--line); background: rgba(7, 8, 12, 0.78); }
.nav__inner { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.02em; font-size: 1.15rem; }
.brand svg { width: 26px; height: 26px; }
.nav__links { display: flex; gap: 4px; margin-left: 12px; }
.nav__links a {
  padding: 8px 12px; border-radius: var(--r-full); font-size: 0.92rem; color: var(--txt-mid);
  transition: color .2s, background .2s;
}
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--txt); background: rgba(255,255,255,0.05); }
.nav__cta { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.nav__login { padding: 8px 12px; font-size: 0.92rem; color: var(--txt-mid); }
.nav__login:hover { color: var(--txt); }
.nav__burger { display: none; width: 42px; height: 42px; border-radius: var(--r-full); border: 1px solid var(--line-strong); align-items: center; justify-content: center; }
.nav__burger span { display: block; width: 16px; height: 1.5px; background: var(--txt); position: relative; }
.nav__burger span::before, .nav__burger span::after { content: ""; position: absolute; left: 0; width: 16px; height: 1.5px; background: var(--txt); transition: transform .25s; }
.nav__burger span::before { top: -5px; } .nav__burger span::after { top: 5px; }
.nav.is-open .nav__burger span { background: transparent; }
.nav.is-open .nav__burger span::before { transform: translateY(5px) rotate(45deg); }
.nav.is-open .nav__burger span::after { transform: translateY(-5px) rotate(-45deg); }
.nav__mobile { display: none; }

@media (max-width: 860px) {
  .nav__links, .nav__login { display: none; }
  .nav__burger { display: inline-flex; }
  .nav__cta .btn { display: none; }
  .nav.is-open .nav__mobile {
    display: flex; flex-direction: column; gap: 4px;
    padding: 8px var(--gutter) 20px; border-top: 1px solid var(--line);
    background: rgba(7, 8, 12, 0.95);
  }
  .nav__mobile a { padding: 14px 4px; font-size: 1.1rem; border-bottom: 1px solid var(--line); }
  .nav__mobile .btn { margin-top: 12px; border-bottom: 0; }
}

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: clamp(56px, 10vw, 120px) 0 clamp(40px, 6vw, 80px); isolation: isolate; }
.hero__glow {
  position: absolute; inset: -20% -10% auto; height: 120%; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 50% at 70% 35%, var(--glow-b), transparent 70%),
    radial-gradient(45% 40% at 30% 20%, var(--glow-a), transparent 70%),
    radial-gradient(40% 40% at 60% 80%, var(--glow-c), transparent 70%);
  filter: blur(40px) saturate(120%);
  opacity: .55;
  animation: drift 18s ease-in-out infinite alternate;
}
@keyframes drift { from { transform: translate3d(-2%, -1%, 0) scale(1); } to { transform: translate3d(2%, 2%, 0) scale(1.06); } }
.hero__grid {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(70% 70% at 50% 40%, #000 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 70% at 50% 40%, #000 20%, transparent 100%);
}
.hero__inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero__copy { display: grid; gap: 26px; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 10px; width: max-content;
  padding: 6px 12px 6px 6px; border-radius: var(--r-full);
  border: 1px solid var(--line-strong); background: rgba(255,255,255,0.03);
  font-size: 0.82rem; color: var(--txt-mid);
}
.hero__badge b { background: var(--amber); color: var(--amber-ink); padding: 3px 8px; border-radius: var(--r-full); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero__note { font-size: 0.85rem; color: var(--txt-lo); }
.hero__viz { position: relative; aspect-ratio: 1 / 1; max-width: 620px; justify-self: end; width: 100%; }
.hero__viz svg { width: 100%; height: 100%; overflow: visible; }

@media (max-width: 960px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__viz { max-width: 520px; justify-self: center; margin-top: 10px; }
}

/* Constellation (SVG) */
.cz-link { stroke: rgba(255,255,255,0.12); stroke-width: 1; fill: none; }
.cz-link.is-hot { stroke: rgba(139,124,255,0.55); }
.cz-pulse { fill: var(--amber); filter: drop-shadow(0 0 6px var(--amber)); }
.cz-pulse--v { fill: var(--violet); filter: drop-shadow(0 0 6px var(--violet)); }
.cz-node { cursor: default; }
.cz-node circle.bg { fill: var(--ink-2); stroke: var(--line-strong); stroke-width: 1; transition: stroke .3s, fill .3s; }
.cz-node.is-hot circle.bg { stroke: var(--amber); fill: #1c1a14; }
.cz-node text { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; fill: var(--txt-mid); text-anchor: middle; text-transform: uppercase; }
.cz-node.is-hot text { fill: var(--txt); }
.cz-node .ic { fill: none; stroke: var(--txt-mid); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; transition: stroke .3s; }
.cz-node.is-hot .ic { stroke: var(--amber); }
.cz-core circle.ring { fill: none; stroke: var(--amber); stroke-width: 1; opacity: 0; transform-origin: center; transform-box: fill-box; animation: ping 3.2s ease-out infinite; }
.cz-core circle.ring:nth-child(2) { animation-delay: 1.07s; }
.cz-core circle.ring:nth-child(3) { animation-delay: 2.14s; }
@keyframes ping { 0% { transform: scale(.35); opacity: .9; } 100% { transform: scale(2.6); opacity: 0; } }
.cz-core .core { fill: var(--amber); }
.cz-core .core-halo { fill: var(--amber); opacity: .18; filter: blur(10px); }
.cz-caption { position: absolute; left: 50%; bottom: -6px; transform: translateX(-50%); white-space: nowrap; }

/* ---------- Marquee ---------- */
.marquee { overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 16px 0; background: var(--ink-1); }
.marquee__track { display: flex; width: max-content; gap: 0; animation: marquee 48s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__track span { display: inline-flex; align-items: center; gap: 22px; padding-right: 22px; font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--txt-mid); white-space: nowrap; }
.marquee__track i { width: 6px; height: 6px; border-radius: 50%; background: var(--amber); display: inline-block; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding: clamp(72px, 10vw, 140px) 0; position: relative; }
.section--tight { padding: clamp(48px, 7vw, 96px) 0; }
.section--alt { background: var(--ink-1); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section--paper { background: var(--paper-0); color: var(--paper-ink); }
.section--paper .kicker { color: var(--paper-mid); }
.section--paper .sub, .section--paper .lede, .section--paper .muted { color: var(--paper-mid); }
.section--paper .display em, .section--paper .h2 em { color: var(--amber-deep); }
.section__head { display: grid; gap: 18px; margin-bottom: clamp(36px, 5vw, 64px); max-width: 820px; }
.section__head--split { max-width: none; grid-template-columns: 1fr auto; align-items: end; }
@media (max-width: 760px) { .section__head--split { grid-template-columns: 1fr; } }

/* ---------- Replace your stack ---------- */
.stack { display: grid; grid-template-columns: 1fr auto 1fr; gap: clamp(20px, 3vw, 40px); align-items: center; }
.stack__tools { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.tool {
  position: relative; display: grid; gap: 4px; padding: 16px 16px 14px;
  background: var(--ink-2); border: 1px solid var(--line); border-radius: var(--r-md);
  transition: transform .4s var(--ease), opacity .4s;
}
.tool b { font-size: 1rem; font-weight: 600; letter-spacing: -0.01em; }
.tool span { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--txt-lo); }
.tool::after {
  content: ""; position: absolute; left: 14px; right: 14px; top: 26px; height: 1.5px; background: var(--rose);
  transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease);
}
.stack.is-in .tool::after { transform: scaleX(1); }
.stack.is-in .tool b { color: var(--txt-mid); }
.stack.is-in .tool { opacity: .85; }
.stack__tools .tool:nth-child(n) { transition-delay: calc(var(--i, 0) * 60ms); }
.stack__arrow { display: grid; place-items: center; color: var(--txt-lo); }
.stack__arrow svg { width: 44px; height: 44px; }
.stack__one {
  position: relative; padding: clamp(26px, 3vw, 40px); border-radius: var(--r-xl);
  background: linear-gradient(160deg, rgba(255,181,71,0.14), rgba(139,124,255,0.1) 60%, rgba(255,111,165,0.08));
  border: 1px solid rgba(255,181,71,0.35);
  box-shadow: 0 30px 80px -40px var(--glow-a), inset 0 1px 0 rgba(255,255,255,0.08);
  display: grid; gap: 14px;
}
.stack__one .brand { font-size: 1.4rem; }
.stack__one .price { font-family: var(--font-display); font-size: clamp(2.6rem, 4vw, 3.6rem); line-height: 1; letter-spacing: -0.02em; }
.stack__one .price small { font-family: var(--font-sans); font-size: 0.95rem; color: var(--txt-mid); letter-spacing: 0; margin-left: 6px; }
.stack__one ul { display: grid; gap: 8px; font-size: 0.95rem; color: var(--txt-mid); }
.stack__one li { display: flex; gap: 10px; align-items: flex-start; }
.stack__one li::before { content: "✓"; color: var(--amber); font-weight: 700; flex: none; }
@media (max-width: 900px) {
  .stack { grid-template-columns: 1fr; }
  .stack__arrow svg { transform: rotate(90deg); }
}
@media (max-width: 520px) { .stack__tools { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Story: one event, every module ---------- */
.story__tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.story__tab {
  padding: 10px 16px; border-radius: var(--r-full); border: 1px solid var(--line-strong);
  font-size: 0.92rem; color: var(--txt-mid); background: rgba(255,255,255,0.02);
  transition: all .25s;
}
.story__tab:hover { color: var(--txt); border-color: rgba(255,255,255,0.3); }
.story__tab[aria-selected="true"] { background: var(--txt); color: var(--ink-0); border-color: var(--txt); }
.story__panel { display: none; }
.story__panel.is-active { display: block; }
.chain { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.chain::before {
  content: ""; position: absolute; left: 6%; right: 6%; top: 44px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 10%, var(--line-strong) 90%, transparent);
}
.chain__beam {
  position: absolute; left: 6%; top: 43.5px; height: 2px; width: 0; border-radius: 2px;
  background: linear-gradient(90deg, var(--amber), var(--violet));
  box-shadow: 0 0 12px var(--glow-a);
}
.story__panel.is-active .chain__beam { animation: beam 2.4s var(--ease) forwards; }
@keyframes beam { to { width: 88%; } }
.step {
  position: relative; display: grid; gap: 10px; padding: 24px 18px 20px;
  background: var(--ink-2); border: 1px solid var(--line); border-radius: var(--r-lg);
  opacity: 0; transform: translateY(14px);
}
.story__panel.is-active .step { animation: stepIn .6s var(--ease) forwards; }
.story__panel.is-active .step:nth-child(2) { animation-delay: .1s; }
.story__panel.is-active .step:nth-child(3) { animation-delay: .5s; }
.story__panel.is-active .step:nth-child(4) { animation-delay: .9s; }
.story__panel.is-active .step:nth-child(5) { animation-delay: 1.3s; }
.story__panel.is-active .step:nth-child(6) { animation-delay: 1.7s; }
@keyframes stepIn { to { opacity: 1; transform: none; } }
.step__dot {
  position: absolute; top: -7px; left: 50%; transform: translateX(-50%);
  width: 14px; height: 14px; border-radius: 50%; background: var(--ink-0); border: 2px solid var(--amber);
}
.step__mod { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--amber); }
.step__mod--v { color: var(--violet); }
.step b { font-weight: 600; font-size: 1rem; letter-spacing: -0.01em; }
.step p { font-size: 0.9rem; color: var(--txt-mid); line-height: 1.45; }
.step__ic { width: 22px; height: 22px; color: var(--txt-mid); }
.story__foot { margin-top: 24px; display: flex; gap: 10px; align-items: center; }
@media (max-width: 900px) {
  .chain { grid-template-columns: 1fr; gap: 12px; padding-left: 26px; }
  .chain::before { left: 7px; right: auto; top: 20px; bottom: 20px; width: 1px; height: auto;
    background: linear-gradient(180deg, transparent, var(--line-strong) 6%, var(--line-strong) 94%, transparent); }
  .chain__beam { left: 6.5px; top: 20px; width: 2px; height: 0; }
  @keyframes beam { to { height: calc(100% - 40px); } }
  .step__dot { left: -26px; top: 24px; transform: none; }
}

/* ---------- Module grid ---------- */
.mods { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.mod {
  position: relative; display: grid; gap: 12px; padding: 22px 20px;
  background: var(--ink-2); border: 1px solid var(--line); border-radius: var(--r-lg);
  transition: transform .35s var(--ease), border-color .35s, background .35s;
  overflow: hidden;
}
.mod::before {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .35s;
  background: radial-gradient(120% 80% at 0% 0%, rgba(255,181,71,0.12), transparent 60%);
}
.mod:hover { transform: translateY(-3px); border-color: rgba(255,181,71,0.35); }
.mod:hover::before { opacity: 1; }
.mod__ic { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: var(--ink-3); border: 1px solid var(--line); color: var(--amber); }
.mod__ic svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.mod b { font-weight: 600; font-size: 1.05rem; letter-spacing: -0.01em; }
.mod p { font-size: 0.9rem; color: var(--txt-mid); line-height: 1.45; }
.mod__tag { position: absolute; top: 14px; right: 14px; font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--txt-lo); }
.mod--wide { grid-column: span 2; background: linear-gradient(140deg, rgba(139,124,255,0.14), var(--ink-2) 60%); border-color: rgba(139,124,255,0.35); }
.mod--wide .mod__ic { color: var(--violet); }
@media (max-width: 1000px) { .mods { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 700px) { .mods { grid-template-columns: repeat(2, 1fr); } .mod--wide { grid-column: span 2; } }
@media (max-width: 420px) { .mods { grid-template-columns: 1fr; } .mod--wide { grid-column: span 1; } }

/* ---------- Audience (paper) ---------- */
.aud { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.aud__card {
  display: grid; gap: 14px; padding: 28px 26px 26px; border-radius: var(--r-lg);
  background: #fff; border: 1px solid var(--paper-line);
  box-shadow: 0 1px 0 rgba(0,0,0,0.02), 0 20px 50px -40px rgba(21,22,28,0.4);
  transition: transform .35s var(--ease), box-shadow .35s;
}
.aud__card:hover { transform: translateY(-3px); box-shadow: 0 30px 60px -36px rgba(21,22,28,0.5); }
.aud__num { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.14em; color: var(--amber-deep); }
.aud__card .h3 { color: var(--paper-ink); }
.aud__card p { color: var(--paper-mid); font-size: 0.95rem; }
.aud__card ul { display: grid; gap: 6px; font-size: 0.9rem; color: var(--paper-ink); margin-top: 4px; }
.aud__card li { display: flex; gap: 8px; }
.aud__card li::before { content: "→"; color: var(--amber-deep); }
@media (max-width: 900px) { .aud { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .aud { grid-template-columns: 1fr; } }

/* ---------- Flows ---------- */
.flows { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.flows__demo {
  position: relative; padding: 24px; border-radius: var(--r-xl); background: var(--ink-2); border: 1px solid var(--line);
  display: grid; gap: 10px; overflow: hidden;
}
.flows__demo::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 60% at 100% 0%, rgba(139,124,255,0.18), transparent 70%); pointer-events: none; }
.fnode { position: relative; display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-radius: var(--r-md); background: var(--ink-3); border: 1px solid var(--line); font-size: 0.95rem; }
.fnode small { display: block; font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--txt-lo); margin-bottom: 2px; }
.fnode__pill { margin-left: auto; font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.1em; text-transform: uppercase; padding: 4px 8px; border-radius: var(--r-full); border: 1px solid var(--line-strong); color: var(--txt-mid); }
.fnode--t .fnode__pill { color: var(--amber); border-color: rgba(255,181,71,0.4); }
.fnode--c .fnode__pill { color: var(--violet); border-color: rgba(139,124,255,0.4); }
.fnode--a .fnode__pill { color: var(--mint); border-color: rgba(95,227,192,0.4); }
.fjoin { height: 18px; width: 1px; margin-left: 28px; background: var(--line-strong); position: relative; }
.fjoin::after { content: ""; position: absolute; left: -2px; top: 0; width: 5px; height: 5px; border-radius: 50%; background: var(--amber); animation: fall 1.6s linear infinite; }
@keyframes fall { from { top: -3px; opacity: 0 } 20% { opacity: 1 } to { top: 16px; opacity: 0 } }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; padding: 7px 11px; border-radius: var(--r-full); border: 1px solid var(--line); background: rgba(255,255,255,0.02); color: var(--txt-mid); }
.chip--t { border-color: rgba(255,181,71,0.3); color: #ffd392; }
.chip--a { border-color: rgba(95,227,192,0.3); color: #a9f1dc; }
.flows__copy { display: grid; gap: 22px; }
@media (max-width: 900px) { .flows { grid-template-columns: 1fr; } }

/* ---------- Stats strip ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.stat { padding: 24px 22px; border-radius: var(--r-lg); border: 1px solid var(--line); background: var(--ink-2); display: grid; gap: 6px; }
.stat b { font-family: var(--font-display); font-size: clamp(2.2rem, 3.6vw, 3.2rem); line-height: 1; letter-spacing: -0.02em; }
.stat span { color: var(--txt-mid); font-size: 0.92rem; }
@media (max-width: 760px) { .stats { grid-template-columns: 1fr 1fr; } }

/* ---------- Pricing ---------- */
.price-wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 16px; align-items: stretch; }
.price-card {
  position: relative; display: grid; gap: 22px; padding: clamp(28px, 4vw, 44px); border-radius: var(--r-xl);
  background: linear-gradient(165deg, rgba(255,181,71,0.16), var(--ink-2) 55%);
  border: 1px solid rgba(255,181,71,0.4); overflow: hidden;
  box-shadow: 0 40px 100px -60px var(--glow-a);
}
.price-card__big { font-family: var(--font-display); font-size: clamp(3.4rem, 7vw, 6rem); line-height: 0.95; letter-spacing: -0.03em; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.price-card__big small { font-family: var(--font-sans); font-size: 1rem; color: var(--txt-mid); letter-spacing: 0; }
.price-card__alt { color: var(--txt-mid); font-size: 0.95rem; }
.price-card__alt b { color: var(--txt); }
.price-toggle { display: inline-flex; gap: 4px; padding: 4px; border-radius: var(--r-full); border: 1px solid var(--line-strong); background: rgba(0,0,0,0.3); width: max-content; }
.price-toggle button { padding: 8px 14px; border-radius: var(--r-full); font-size: 0.85rem; color: var(--txt-mid); font-weight: 600; }
.price-toggle button[aria-pressed="true"] { background: var(--txt); color: var(--ink-0); }
.price-toggle .save { font-size: 0.7rem; color: var(--mint); margin-left: 6px; }
.price-list { display: grid; gap: 10px; }
.price-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.95rem; }
.price-list li::before { content: "✓"; color: var(--amber); font-weight: 700; flex: none; }
.price-side { display: grid; gap: 14px; }
.price-note { padding: 24px; border-radius: var(--r-lg); border: 1px solid var(--line); background: var(--ink-2); display: grid; gap: 10px; }
.price-note b { font-weight: 600; }
.price-note p { font-size: 0.92rem; color: var(--txt-mid); }
.price-note .big { font-family: var(--font-display); font-size: 2.2rem; line-height: 1; }
@media (max-width: 860px) { .price-wrap { grid-template-columns: 1fr; } }

/* Stack calculator */
.calc { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
.calc__list { display: grid; gap: 8px; }
.calc__row {
  display: grid; grid-template-columns: 1fr 120px; gap: 12px; align-items: center;
  padding: 12px 14px; border-radius: var(--r-md); border: 1px solid var(--line); background: var(--ink-2);
}
.calc__row label { display: flex; align-items: center; gap: 10px; font-size: 0.95rem; }
.calc__row label input[type="checkbox"] { accent-color: var(--amber); width: 16px; height: 16px; }
.calc__row small { display: block; font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--txt-lo); }
.calc__money { display: flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 0.9rem; }
.calc__money input { width: 100%; padding: 8px 10px; border-radius: var(--r-sm); border: 1px solid var(--line-strong); background: var(--ink-0); color: var(--txt); font: inherit; text-align: right; }
.calc__row.is-off { opacity: .45; }
.calc__seats { display: flex; align-items: center; gap: 14px; padding: 14px; border-radius: var(--r-md); border: 1px solid var(--line); background: var(--ink-2); }
.calc__seats input[type="range"] { flex: 1; accent-color: var(--amber); }
.calc__seats output { font-family: var(--font-mono); min-width: 60px; text-align: right; }
.calc__result { position: sticky; top: 90px; display: grid; gap: 18px; padding: 28px; border-radius: var(--r-xl); border: 1px solid rgba(255,181,71,0.4); background: linear-gradient(165deg, rgba(255,181,71,0.14), var(--ink-2) 60%); }
.calc__line { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.calc__line span { color: var(--txt-mid); font-size: 0.95rem; }
.calc__line b { font-family: var(--font-mono); font-size: 1.1rem; }
.calc__line--total b { font-family: var(--font-display); font-size: 2.6rem; line-height: 1; }
.calc__line--total { border-bottom: 0; }
.calc__save { font-size: 1.05rem; }
.calc__save b { color: var(--mint); }
@media (max-width: 860px) { .calc { grid-template-columns: 1fr; } .calc__result { position: static; } }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 0; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 20px; align-items: center;
  padding: 22px 0; font-weight: 600; font-size: 1.05rem; letter-spacing: -0.01em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); font-size: 1.3rem; color: var(--amber); transition: transform .25s; flex: none; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > div { padding: 0 0 24px; color: var(--txt-mid); max-width: 68ch; }
.faq details > div p + p { margin-top: 10px; }

/* ---------- Feature rows (platform page) ---------- */
.feat { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; padding: clamp(40px, 6vw, 80px) 0; border-top: 1px solid var(--line); }
.feat:first-of-type { border-top: 0; }
.feat--flip .feat__copy { order: 2; }
.feat__copy { display: grid; gap: 18px; }
.feat__copy ul { display: grid; gap: 8px; color: var(--txt-mid); font-size: 0.95rem; }
.feat__copy li { display: flex; gap: 10px; }
.feat__copy li::before { content: "—"; color: var(--amber); }
.feat__art {
  position: relative; border-radius: var(--r-xl); border: 1px solid var(--line); background: var(--ink-2);
  padding: 20px; min-height: 300px; display: grid; gap: 10px; align-content: start; overflow: hidden;
}
.feat__art::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(70% 60% at 100% 100%, rgba(255,181,71,0.12), transparent 70%); }
.ui-bar { display: flex; gap: 8px; align-items: center; padding-bottom: 12px; border-bottom: 1px solid var(--line); margin-bottom: 4px; }
.ui-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--ink-3); border: 1px solid var(--line-strong); }
.ui-bar span { margin-left: 8px; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--txt-lo); }
.ui-row { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--r-sm); background: var(--ink-3); border: 1px solid var(--line); font-size: 0.88rem; }
.ui-row .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); flex: none; }
.ui-row .dot--v { background: var(--violet); } .ui-row .dot--m { background: var(--mint); } .ui-row .dot--r { background: var(--rose); } .ui-row .dot--s { background: var(--sky); }
.ui-row .right { margin-left: auto; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.08em; color: var(--txt-lo); text-transform: uppercase; }
.ui-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.ui-col { display: grid; gap: 6px; align-content: start; padding: 8px; border-radius: var(--r-sm); background: rgba(0,0,0,0.25); border: 1px solid var(--line); min-height: 140px; }
.ui-col h5 { margin: 0 0 4px; font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--txt-lo); font-weight: 500; }
.ui-card { padding: 8px 10px; border-radius: 5px; background: var(--ink-3); border: 1px solid var(--line); font-size: 0.78rem; line-height: 1.3; }
.ui-card em { display: block; font-style: normal; font-family: var(--font-mono); font-size: 0.6rem; color: var(--amber); letter-spacing: 0.08em; margin-top: 4px; }
.ui-bars { display: grid; gap: 8px; }
.ui-bars div { height: 10px; border-radius: 5px; background: linear-gradient(90deg, var(--amber), var(--violet)); width: var(--w, 50%); opacity: .85; }
.ui-site { border-radius: var(--r-md); border: 1px solid var(--line); overflow: hidden; background: #fff; color: var(--paper-ink); }
.ui-site__hero { padding: 26px 18px; background: linear-gradient(135deg, #1b1a2a, #3b2f6a); color: #fff; }
.ui-site__hero b { font-family: var(--font-display); font-size: 1.6rem; display: block; }
.ui-site__hero span { font-size: 0.78rem; opacity: .8; }
.ui-site__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 12px; }
.ui-site__grid div { aspect-ratio: 1; border-radius: 6px; background: var(--paper-1); display: grid; align-content: end; padding: 8px; font-size: 0.68rem; font-weight: 600; }
.ui-msg { display: grid; gap: 8px; }
.ui-msg div { max-width: 78%; padding: 9px 12px; border-radius: 12px; background: var(--ink-3); border: 1px solid var(--line); font-size: 0.85rem; }
.ui-msg div.me { margin-left: auto; background: rgba(255,181,71,0.15); border-color: rgba(255,181,71,0.35); }
.ui-msg small { display: block; font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.08em; color: var(--txt-lo); margin-bottom: 3px; text-transform: uppercase; }
@media (max-width: 860px) { .feat { grid-template-columns: 1fr; } .feat--flip .feat__copy { order: 0; } }

/* ---------- CTA ---------- */
.cta { position: relative; overflow: hidden; padding: clamp(80px, 12vw, 160px) 0; text-align: center; }
.cta__glow {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(50% 60% at 50% 100%, var(--glow-b), transparent 70%), radial-gradient(35% 40% at 50% 90%, var(--glow-a), transparent 70%);
  filter: blur(30px); opacity: .6;
}
.cta .container { position: relative; z-index: 1; display: grid; gap: 24px; justify-items: center; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 56px 0 40px; background: var(--ink-1); }
.footer__grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; }
.footer__col h4 { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--txt-lo); margin-bottom: 14px; font-weight: 500; }
.footer__col ul { display: grid; gap: 8px; }
.footer__col a { color: var(--txt-mid); font-size: 0.92rem; }
.footer__col a:hover { color: var(--txt); }
.footer__blurb { color: var(--txt-mid); font-size: 0.92rem; max-width: 34ch; margin-top: 14px; }
.footer__bottom { display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); }
@media (max-width: 760px) { .footer__grid { grid-template-columns: 1fr 1fr; } }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { position: relative; padding: clamp(56px, 8vw, 110px) 0 clamp(36px, 5vw, 64px); overflow: hidden; }
.page-hero .hero__glow { opacity: .35; }
.page-hero .container { display: grid; gap: 20px; max-width: 900px; }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .1s; } .reveal[data-delay="2"] { transition-delay: .2s; } .reveal[data-delay="3"] { transition-delay: .3s; } .reveal[data-delay="4"] { transition-delay: .4s; }

/* ---------- Misc ---------- */
.divider { height: 1px; background: var(--line); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 800px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }
.card { padding: 26px; border-radius: var(--r-lg); border: 1px solid var(--line); background: var(--ink-2); display: grid; gap: 12px; }
.card p { color: var(--txt-mid); font-size: 0.95rem; }
.table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.table th, .table td { text-align: left; padding: 14px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--txt-lo); font-weight: 500; }
.table td:first-child { font-weight: 600; }
.table .yes { color: var(--mint); } .table .no { color: var(--txt-lo); }
.table-wrap { overflow-x: auto; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001s !important; animation-iteration-count: 1 !important; transition-duration: 0.001s !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .step { opacity: 1; transform: none; }
}

/* ---------- App shell illustration ---------- */
.app {
  display: grid; grid-template-columns: 56px 220px 1fr 260px; gap: 0;
  border-radius: var(--r-xl); border: 1px solid var(--line-strong); background: var(--ink-1);
  overflow: hidden; box-shadow: 0 60px 120px -60px rgba(0,0,0,.8), 0 0 0 1px rgba(255,255,255,0.02), 0 40px 100px -50px var(--glow-b);
  font-size: 0.85rem;
}
.app__rail { display: grid; gap: 10px; align-content: start; padding: 14px 0; justify-items: center; border-right: 1px solid var(--line); background: var(--ink-0); }
.app__rail i { width: 30px; height: 30px; border-radius: 9px; border: 1px solid var(--line); background: var(--ink-2); }
.app__rail i.is-on { border-color: var(--amber); background: rgba(255,181,71,0.15); box-shadow: inset 0 0 0 1px rgba(255,181,71,.3); }
.app__nav { padding: 16px 12px; border-right: 1px solid var(--line); display: grid; gap: 4px; align-content: start; background: var(--ink-1); }
.app__nav-title { font-weight: 600; padding: 4px 8px 10px; font-size: 0.95rem; }
.app__nav-item { padding: 7px 8px; border-radius: 6px; color: var(--txt-mid); font-size: 0.82rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.app__nav-item.is-on { background: rgba(255,255,255,0.06); color: var(--txt); }
.app__nav-sep { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--txt-lo); padding: 14px 8px 6px; }
.app__main { padding: 18px; display: grid; gap: 14px; align-content: start; background: var(--ink-0); min-width: 0; }
.app__head { display: grid; gap: 10px; }
.app__head small { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.14em; color: var(--txt-lo); display: block; margin-bottom: 4px; }
.app__head b { font-size: 1.15rem; font-weight: 600; letter-spacing: -0.01em; }
.app__pills { display: flex; flex-wrap: wrap; gap: 6px; }
.app__pills span { font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.06em; padding: 4px 8px; border-radius: var(--r-full); border: 1px solid var(--line-strong); color: var(--txt-mid); }
.app__side { padding: 16px 12px; border-left: 1px solid var(--line); display: grid; gap: 6px; align-content: start; background: var(--ink-1); }
.app__side-title { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--txt-lo); padding: 4px 4px 8px; }
.app__side .ui-row { font-size: 0.8rem; padding: 9px 10px; }
@media (max-width: 1000px) { .app { grid-template-columns: 56px 1fr 240px; } .app__nav { display: none; } }
@media (max-width: 720px) { .app { grid-template-columns: 1fr; } .app__rail { display: none; } .app__side { border-left: 0; border-top: 1px solid var(--line); } .ui-cols { grid-template-columns: 1fr; } }