/* =====================================================================
   Hydron website — shared styles
   Calm, light, product-first. Real screenshots do the showing;
   motion is limited to gentle fades and hover states.
===================================================================== */
:root{
  --bg:#ffffff;
  --bg-soft:#f8f9fb;
  --bg-muted:#eff0f3;
  --ink:#121317;
  --ink-2:#45474d;
  --ink-3:#6c6f78;
  --line:#e3e5ea;
  --line-strong:#cfd2d9;
  --dark:#0d0d10;
  --surface:#ffffff;
  --on-ink:#ffffff;
  --ink-hover:#2b2b31;
  --line-hover:#b9b9c1;
  --nav-bg:rgba(255,255,255,.85);
  --frame-edge:transparent;
  --shadow:rgba(17,17,19,.35);
  --check:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4.5 8.2 2.3 2.3 4.7-5'/%3E%3C/svg%3E");
  --spot:rgba(17,17,19,.045);
  --p1:#6b6e76;
  --p2:#346bf1;
  --p3:#8b5cf6;
  color-scheme:light;

  --font-body:'Google Sans Flex', 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono:'Google Sans Code', 'JetBrains Mono', ui-monospace, 'Cascadia Code', monospace;

  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;

  --ease:cubic-bezier(.22,1,.36,1);
  --container:1200px;
}

/* Dark theme: follows the system setting unless the visitor picks one. */
:root[data-theme="dark"]{
  --bg:#0b0b0d;
  --bg-soft:#111114;
  --bg-muted:#1c1c20;
  --surface:#17171b;
  --ink:#ededf0;
  --ink-2:#b4b5bd;
  --ink-3:#868791;
  --line:#242429;
  --line-strong:#34343b;
  --dark:#0c0c0e;
  --on-ink:#0b0b0d;
  --ink-hover:#d2d2d8;
  --line-hover:#4c4c55;
  --nav-bg:rgba(11,11,13,.82);
  --frame-edge:#26262c;
  --shadow:rgba(0,0,0,.6);
  --check:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%230b0b0d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4.5 8.2 2.3 2.3 4.7-5'/%3E%3C/svg%3E");
  --spot:rgba(255,255,255,.06);
  --p1:#a7a9b2;
  --p2:#6f95ff;
  --p3:#b08cff;
  color-scheme:dark;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
  --bg:#0b0b0d;
  --bg-soft:#111114;
  --bg-muted:#1c1c20;
  --surface:#17171b;
  --ink:#ededf0;
  --ink-2:#b4b5bd;
  --ink-3:#868791;
  --line:#242429;
  --line-strong:#34343b;
  --dark:#0c0c0e;
  --on-ink:#0b0b0d;
  --ink-hover:#d2d2d8;
  --line-hover:#4c4c55;
  --nav-bg:rgba(11,11,13,.82);
  --frame-edge:#26262c;
  --shadow:rgba(0,0,0,.6);
  --check:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%230b0b0d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4.5 8.2 2.3 2.3 4.7-5'/%3E%3C/svg%3E");
  --spot:rgba(255,255,255,.06);
  --p1:#a7a9b2;
  --p2:#6f95ff;
  --p3:#b08cff;
  color-scheme:dark;
  }
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--font-body); font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
button{ font:inherit; cursor:pointer; }
h1,h2,h3,h4{ margin:0; font-weight:500; letter-spacing:-.02em; line-height:1.12; }
p{ margin:0; }
code{ font-family:var(--font-mono); font-size:.88em; background:var(--bg-muted); padding:.1em .4em; border-radius:6px; }
::selection{ background:var(--ink); color:var(--on-ink); }
:focus-visible{ outline:2px solid var(--ink); outline-offset:3px; border-radius:6px; }

.skip-link{ position:absolute; left:1rem; top:-60px; z-index:1000; background:var(--ink); color:var(--on-ink); padding:.6rem 1rem; border-radius:var(--r-sm); font-size:.85rem; }
.skip-link:focus{ top:1rem; }

.container{ width:100%; max-width:var(--container); margin:0 auto; padding:0 clamp(1rem, 4vw, 2.5rem); }
.narrow{ max-width:820px; }

/* ---------- Navigation ---------- */
.nav{ position:sticky; top:0; z-index:100; background:var(--nav-bg); backdrop-filter:saturate(180%) blur(14px); border-bottom:1px solid transparent; transition:border-color .2s; }
.nav.scrolled{ border-bottom-color:var(--line); }
.nav-inner{ display:flex; align-items:center; justify-content:space-between; gap:1.5rem; height:64px; }
.brand{ display:flex; align-items:center; gap:.55rem; font-weight:500; font-size:1.05rem; letter-spacing:-.01em; }
.brand-mark{ width:24px; height:24px; flex:0 0 auto; }
.nav-links{ display:flex; align-items:center; gap:.25rem; }
.nav-links a{ display:block; padding:.45rem .8rem; border-radius:var(--r-pill); font-size:.92rem; color:var(--ink-2); transition:background .15s, color .15s; }
.nav-links a:hover{ background:var(--bg-muted); color:var(--ink); }
.nav-links a.active{ color:var(--ink); font-weight:500; }
.nav-actions{ display:flex; align-items:center; gap:.5rem; }
.theme-toggle{ width:38px; height:38px; display:grid; place-items:center; border-radius:var(--r-pill); border:1px solid var(--line); background:var(--surface); color:var(--ink); transition:background .15s, border-color .15s; }
.theme-toggle:hover{ border-color:var(--line-hover); }
.theme-toggle svg{ width:18px; height:18px; }
.theme-toggle .sun,:root[data-theme="dark"] .theme-toggle .moon{ display:none; }
:root[data-theme="dark"] .theme-toggle .sun{ display:block; }
.no-js .theme-toggle{ display:none; }
.nav-toggle{ display:none; width:40px; height:40px; border-radius:var(--r-pill); border:1px solid var(--line); background:var(--surface); position:relative; }
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{ content:""; position:absolute; left:11px; right:11px; height:1.5px; background:var(--ink); transition:transform .2s var(--ease), background .2s; }
.nav-toggle span{ top:19px; }
.nav-toggle span::before{ left:0; right:0; top:-6px; }
.nav-toggle span::after{ left:0; right:0; top:6px; }
.nav-toggle[aria-expanded="true"] span{ background:transparent; }
.nav-toggle[aria-expanded="true"] span::before{ transform:translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after{ transform:translateY(-6px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:.5rem; min-height:48px; padding:0 1.4rem; border-radius:var(--r-pill); border:1px solid transparent; font-weight:500; font-size:.95rem; white-space:nowrap; transition:background .15s, border-color .15s, color .15s; }
.btn svg{ width:16px; height:16px; }
.btn-primary{ background:var(--ink); color:var(--on-ink); }
.btn-primary:hover{ background:var(--ink-hover); }
.btn-secondary{ background:var(--surface); color:var(--ink); border-color:var(--line-strong); }
.btn-secondary:hover{ background:var(--bg-soft); border-color:var(--line-hover); }
.btn-small{ min-height:38px; padding:0 1rem; font-size:.88rem; }
.actions{ display:flex; flex-wrap:wrap; gap:.75rem; }
.actions.center{ justify-content:center; }

/* ---------- Type helpers ---------- */
.eyebrow{ display:inline-block; margin-bottom:1rem; font-size:.85rem; font-weight:500; color:var(--ink-3); }
.lead{ font-size:clamp(1.05rem, 1.6vw, 1.25rem); line-height:1.6; color:var(--ink-2); }
.muted{ color:var(--ink-3); }

/* ---------- Hero ---------- */
.hero{ padding:clamp(4rem, 10vw, 7.5rem) 0 clamp(2.5rem, 5vw, 4rem); text-align:center; }
.hero h1{ font-size:clamp(2.6rem, 7vw, 5.5rem); letter-spacing:-.045em; line-height:1.02; max-width:none; margin:0 auto; }
.hero h1 .soft{ color:var(--ink-3); }
.hero .lead{ max-width:44rem; margin:1.5rem auto 2.25rem; }
.hero-meta{ margin-top:1.25rem; font-size:.85rem; color:var(--ink-3); }

.page-hero{ padding:clamp(3.5rem, 8vw, 6rem) 0 clamp(2rem, 4vw, 3rem); }
.page-hero h1{ font-size:clamp(2.4rem, 5.5vw, 4.25rem); letter-spacing:-.04em; line-height:1.04; max-width:18ch; }
.page-hero .lead{ max-width:40rem; margin-top:1.25rem; }
.page-hero .actions{ margin-top:2rem; }

/* ---------- Product showcase ---------- */
.showcase{ padding-bottom:clamp(3rem, 6vw, 5rem); }
.frame{ background:var(--dark); border:1px solid var(--frame-edge); border-radius:var(--r-lg); padding:clamp(6px, 1vw, 10px); box-shadow:0 1px 2px rgba(0,0,0,.06), 0 30px 80px -30px var(--shadow); }
.frame img{ width:100%; height:auto; aspect-ratio:16/9; object-fit:contain; background:var(--dark); border-radius:calc(var(--r-lg) - 8px); transition:opacity .2s ease; }
.frame.natural img{ aspect-ratio:auto; object-fit:contain; }
.tabs{ display:inline-flex; gap:.25rem; padding:.3rem; margin-top:1.5rem; background:var(--bg-muted); border-radius:var(--r-pill); max-width:100%; overflow-x:auto; }
.tab{ border:0; background:transparent; color:var(--ink-2); padding:.55rem 1.1rem; border-radius:var(--r-pill); font-size:.88rem; font-weight:500; white-space:nowrap; transition:background .15s, color .15s; }
.tab:hover{ color:var(--ink); }
.tab.active{ background:var(--surface); color:var(--ink); box-shadow:0 1px 3px rgba(0,0,0,.08); }
.tab-caption{ margin-top:1rem; font-size:.9rem; color:var(--ink-3); min-height:1.5em; }

/* ---------- Sections ---------- */
.section{ padding:clamp(4rem, 9vw, 7rem) 0; }
.section.soft{ background:var(--bg-soft); }
.section + .section:not(.soft){ border-top:1px solid var(--line); }
.section.soft + .section{ border-top:0; }
.section-head{ max-width:44rem; margin-bottom:clamp(2.5rem, 5vw, 3.5rem); }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head h2{ font-size:clamp(2rem, 4vw, 3rem); letter-spacing:-.035em; }
.section-head p{ margin-top:1rem; font-size:1.075rem; color:var(--ink-2); }

.grid{ display:grid; gap:1rem; }
.grid-2{ grid-template-columns:repeat(2, minmax(0,1fr)); }
.grid-3{ grid-template-columns:repeat(3, minmax(0,1fr)); }
.grid-4{ grid-template-columns:repeat(4, minmax(0,1fr)); }

.card{ padding:1.75rem; border:1px solid var(--line); border-radius:var(--r-md); background:var(--surface); }
.section.soft .card{ border-color:transparent; }
.card h3{ font-size:1.1rem; margin-bottom:.5rem; }
.card p,.card li{ font-size:.95rem; color:var(--ink-2); }
.card ul{ display:grid; gap:.45rem; margin-top:1rem; }
.card li{ position:relative; padding-left:1.1rem; }
.card li::before{ content:""; position:absolute; left:0; top:.7em; width:5px; height:5px; border-radius:50%; background:var(--ink-3); }
.icon{ width:40px; height:40px; display:grid; place-items:center; margin-bottom:1.25rem; border-radius:var(--r-sm); background:var(--bg-muted); color:var(--ink); }
.section.soft .icon{ background:var(--bg-soft); }
.icon svg{ width:20px; height:20px; }

/* Feature rows: copy on one side, screenshot on the other */
.feature-row{ display:grid; grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr); gap:clamp(2rem, 5vw, 4.5rem); align-items:center; }
.feature-row + .feature-row{ margin-top:clamp(4rem, 8vw, 6.5rem); }
.feature-row > *{ min-width:0; }
.feature-row.flip .feature-copy{ order:2; }
.feature-copy h3{ font-size:clamp(1.6rem, 3vw, 2.25rem); letter-spacing:-.03em; margin-bottom:1rem; }
.feature-copy p{ color:var(--ink-2); font-size:1.05rem; }
.checklist{ display:grid; gap:.6rem; margin-top:1.5rem; }
.checklist li{ position:relative; padding-left:1.75rem; color:var(--ink-2); font-size:.97rem; }
.checklist li::before{ content:""; position:absolute; left:0; top:.2em; width:18px; height:18px; border-radius:50%; background:var(--ink) var(--check) center/12px no-repeat; }

/* Static code / terminal panel */
.panel{ background:var(--dark); border:1px solid var(--frame-edge); color:#e9e9ee; border-radius:var(--r-md); overflow:hidden; box-shadow:0 30px 70px -35px var(--shadow); }
.panel-head{ display:flex; align-items:center; justify-content:space-between; padding:.75rem 1.1rem; border-bottom:1px solid #24242a; font:500 .75rem var(--font-mono); color:#8d8e98; }
.panel-body{ padding:1.1rem 1.25rem; font:400 .82rem/1.85 var(--font-mono); overflow-x:auto; white-space:pre; }
.panel-body .c{ color:#73747e; }
.panel-body .k{ color:#fff; font-weight:500; }
.panel-body .p{ color:#fff; }

/* Command picker */
.cmd{ display:flex; align-items:center; justify-content:space-between; gap:1rem; margin-top:1.5rem; padding:.55rem .55rem .55rem 1.1rem; border:1px solid var(--line-strong); border-radius:var(--r-pill); background:var(--surface); font:500 .88rem var(--font-mono); }
.cmd code{ min-width:0; background:none; padding:0; overflow-x:auto; white-space:nowrap; }
.copy-btn{ border:0; background:var(--ink); color:var(--on-ink); border-radius:var(--r-pill); padding:.5rem 1rem; font-size:.8rem; font-weight:500; flex:0 0 auto; }
.copy-btn:hover{ background:var(--ink-hover); }
.chips{ display:flex; flex-wrap:wrap; gap:.5rem; }
.chip{ border:1px solid var(--line-strong); background:var(--surface); color:var(--ink-2); padding:.45rem .9rem; border-radius:var(--r-pill); font-size:.85rem; transition:background .15s, color .15s, border-color .15s; }
button.chip:hover{ border-color:var(--ink-3); color:var(--ink); }
.chip.active{ background:var(--ink); border-color:var(--ink); color:var(--on-ink); }

/* Model catalogue */
.model-table{ width:100%; border-collapse:collapse; font-size:.95rem; }
.model-table th,.model-table td{ padding:.9rem 0; text-align:left; border-bottom:1px solid var(--line); }
.model-table th{ font-size:.8rem; font-weight:500; color:var(--ink-3); }
.model-table td:last-child,.model-table th:last-child{ text-align:right; color:var(--ink-3); }
.model-table td:first-child{ font-weight:500; }

.note{ padding:1.1rem 1.25rem; border-radius:var(--r-md); background:var(--bg-soft); color:var(--ink-2); font-size:.93rem; }
.note strong{ color:var(--ink); }

/* Steps */
.steps{ display:grid; gap:0; counter-reset:step; }
.step{ counter-increment:step; display:grid; grid-template-columns:3rem 1fr; gap:1rem; padding:1.5rem 0; border-top:1px solid var(--line); }
.step:last-child{ border-bottom:1px solid var(--line); }
.step::before{ content:counter(step, decimal-leading-zero); font:500 .85rem var(--font-mono); color:var(--ink-3); padding-top:.2rem; }
.step h3{ font-size:1.1rem; margin-bottom:.35rem; }
.step p{ color:var(--ink-2); }

/* Requirements */
.spec{ display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); border-top:1px solid var(--line); }
.spec div{ padding:1.5rem 1.5rem 1.5rem 0; border-bottom:1px solid var(--line); }
.spec strong{ display:block; font-weight:500; margin-bottom:.35rem; }
.spec span{ color:var(--ink-2); font-size:.95rem; }

/* FAQ */
.faq details{ border-bottom:1px solid var(--line); }
.faq details:first-child{ border-top:1px solid var(--line); }
.faq summary{ list-style:none; cursor:pointer; display:flex; justify-content:space-between; gap:1rem; padding:1.25rem 0; font-weight:500; font-size:1.02rem; }
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{ content:"+"; font-weight:400; font-size:1.4rem; line-height:1; color:var(--ink-3); transition:transform .2s var(--ease); }
.faq details[open] summary::after{ transform:rotate(45deg); }
.faq details p{ padding:0 0 1.35rem; color:var(--ink-2); max-width:60ch; }

/* Legal */
.legal{ max-width:760px; }
.legal-section{ padding:2rem 0; border-bottom:1px solid var(--line); }
.legal-section:last-child{ border-bottom:0; }
.legal-section h2{ font-size:1.3rem; letter-spacing:-.02em; margin-bottom:.75rem; }
.legal-section p,.legal-section li{ color:var(--ink-2); }
.legal-section p + p{ margin-top:.75rem; }
.legal-section ul{ display:grid; gap:.45rem; margin:.9rem 0; }
.legal-section li{ position:relative; padding-left:1.2rem; }
.legal-section li::before{ content:""; position:absolute; left:0; top:.72em; width:5px; height:5px; border-radius:50%; background:var(--ink-3); }

/* Appearance preview (features page) */
.studio{ border:1px solid var(--line); border-radius:var(--r-lg); padding:clamp(1rem, 3vw, 1.75rem); background:var(--surface); }
.studio-bar{ display:flex; align-items:center; justify-content:space-between; gap:1rem; flex-wrap:wrap; margin-bottom:1.25rem; }
.studio-bar strong{ font-weight:500; }
.studio-controls{ display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:1rem; margin-top:1.25rem; }
.studio-control{ padding:1rem 1.1rem; border-radius:var(--r-md); background:var(--bg-soft); }
.studio-control label{ display:flex; justify-content:space-between; font-size:.85rem; color:var(--ink-2); margin-bottom:.6rem; }
.studio-control output{ color:var(--ink); font-weight:500; }
.studio-control input,.studio-control select{ width:100%; accent-color:var(--ink); }
.studio-control select{ padding:.5rem .6rem; border:1px solid var(--line-strong); border-radius:var(--r-sm); background:var(--surface); color:var(--ink); font:inherit; font-size:.9rem; }

.appearance-frame{ --demo-bg:#101114; --demo-side:#16171b; --demo-surface:#24252a; --demo-raised:#303137; --demo-border:#35373e; --demo-text:#f7f8fb; --demo-muted:#9296a0; position:relative; display:grid; grid-template-columns:180px 1fr; min-height:440px; border:1px solid var(--demo-border); border-radius:18px; overflow:hidden; background:var(--demo-bg); color:var(--demo-text); transition:background .3s ease, color .3s ease, border-radius .25s ease; }
.appearance-frame[data-preset="diamond"]{ --demo-bg:#edf5fc; --demo-side:#e4f0f9; --demo-surface:#f7fbff; --demo-raised:#dcebf6; --demo-border:#b7cdde; --demo-text:#102235; --demo-muted:#526f87; }
.appearance-frame[data-preset="aurora"]{ --demo-bg:#071310; --demo-side:#0a1d18; --demo-surface:#102a23; --demo-raised:#173a31; --demo-border:#245346; --demo-text:#eafff8; --demo-muted:#86b9aa; }
.appearance-frame[data-preset="sunset"]{ --demo-bg:#1b0c13; --demo-side:#251019; --demo-surface:#351722; --demo-raised:#4a2030; --demo-border:#673046; --demo-text:#fff3ed; --demo-muted:#d39a8d; }
.appearance-frame[data-preset="nebula"]{ --demo-bg:#0e0a1c; --demo-side:#15102a; --demo-surface:#21183b; --demo-raised:#302252; --demo-border:#4c3971; --demo-text:#f8f2ff; --demo-muted:#a998c8; }
.appearance-frame[data-preset="arctic"]{ --demo-bg:#07131a; --demo-side:#0b1c25; --demo-surface:#102b38; --demo-raised:#173d4d; --demo-border:#285b6d; --demo-text:#edfcff; --demo-muted:#8cb9c4; }
.demo-sidebar{ padding:1rem; border-right:1px solid var(--demo-border); background:var(--demo-side); transition:background .3s ease; }
.demo-brand{ display:flex; align-items:center; gap:.55rem; font-weight:600; margin:.15rem .2rem 1.35rem; }
.demo-atom{ width:20px; height:20px; }
.demo-nav{ display:grid; gap:.35rem; }
.demo-nav span{ display:flex; align-items:center; gap:.65rem; padding:.65rem .8rem; border-radius:10px; color:var(--demo-muted); font-size:.78rem; }
.demo-nav span.active{ background:var(--demo-raised); color:var(--demo-text); }
.demo-status{ position:absolute; left:1rem; bottom:1rem; width:148px; padding:.65rem; border-radius:10px; background:var(--demo-surface); font-size:.65rem; color:var(--demo-muted); }
.demo-main{ display:grid; grid-template-rows:auto 1fr auto; min-width:0; }
.demo-titlebar{ height:42px; border-bottom:1px solid var(--demo-border); display:flex; align-items:center; justify-content:center; font-size:.75rem; font-weight:600; }
.demo-chat{ padding:2rem clamp(1rem, 4vw, 3rem); display:flex; flex-direction:column; gap:1.25rem; }
.demo-bubble{ align-self:flex-end; background:var(--demo-raised); padding:.65rem 1rem; border-radius:16px; font-size:.78rem; }
.demo-answer{ max-width:560px; }
.demo-answer strong{ display:block; margin-bottom:.5rem; font-size:.85rem; }
.demo-answer p{ color:var(--demo-muted); font-size:.78rem; line-height:1.65; }
.demo-code{ margin-top:.8rem; padding:.85rem; border:1px solid var(--demo-border); border-radius:10px; background:rgba(0,0,0,.18); font:500 .7rem/1.65 var(--font-mono); white-space:pre; overflow-x:auto; }
.demo-composer{ display:flex; justify-content:space-between; margin:0 clamp(1rem, 4vw, 3rem) 1.25rem; padding:.8rem 1rem; border:1px solid var(--demo-border); border-radius:16px; background:var(--demo-surface); color:var(--demo-muted); font-size:.74rem; }
.appearance-frame.nav-right{ grid-template-columns:1fr 180px; }
.appearance-frame.nav-right .demo-main{ grid-column:1; grid-row:1; }
.appearance-frame.nav-right .demo-sidebar{ grid-column:2; grid-row:1; border-right:0; border-left:1px solid var(--demo-border); }
.appearance-frame.nav-right .demo-status{ left:auto; right:1rem; }

/* ---------- CTA ---------- */

/* ---------- Footer ---------- */
/* Footer: title and link columns */
.footer{ padding:clamp(4rem, 8vw, 6rem) 0 1.75rem; font-size:.92rem; overflow:hidden; }
.footer-top{ display:grid; grid-template-columns:1.6fr repeat(3, 1fr); gap:2rem; padding-bottom:clamp(3rem, 7vw, 5rem); }
.footer-title{ font-size:clamp(1.6rem, 3vw, 2.25rem); font-weight:500; letter-spacing:-.03em; line-height:1.1; }
.footer-title .soft{ color:var(--ink-3); }
.footer-col h5{ margin:0 0 1rem; font-size:.8rem; font-weight:500; color:var(--ink-3); }
.footer-col ul{ display:grid; gap:.7rem; }
.footer-col a,.footer-col span{ color:var(--ink); }
.footer-col span{ color:var(--ink-3); }
.footer-col a:hover{ color:var(--ink-3); }
.footer-bottom{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:1rem; padding-top:1.5rem; border-top:1px solid var(--line); color:var(--ink-3); font-size:.85rem; }

/* ---------- Gentle entrance ---------- */
.fade{ opacity:0; transform:translateY(12px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.fade.in{ opacity:1; transform:none; }
.no-js .fade{ opacity:1; transform:none; }

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .grid-3,.grid-4{ grid-template-columns:repeat(2, minmax(0,1fr)); }
  .feature-row{ grid-template-columns:1fr; }
  .feature-row.flip .feature-copy{ order:0; }
  .spec{ grid-template-columns:repeat(2, minmax(0,1fr)); }
  .footer-top{ grid-template-columns:1fr 1fr; }
  .studio-controls{ grid-template-columns:1fr; }
}
@media (max-width:820px){
  .nav-toggle{ display:block; }
  .nav-actions .btn{ display:none; }
  .nav-links{ position:absolute; top:64px; left:0; right:0; flex-direction:column; align-items:stretch; gap:0; padding:0 1rem; background:var(--bg); border-bottom:1px solid var(--line); max-height:0; overflow:hidden; transition:max-height .3s var(--ease), padding .3s var(--ease); }
  .nav-links.open{ max-height:420px; padding:.5rem 1rem 1rem; }
  .nav-links a{ padding:.8rem .5rem; border-radius:var(--r-sm); }
}
@media (max-width:640px){
  .grid-2,.grid-3,.grid-4,.spec{ grid-template-columns:1fr; }
  .spec div{ padding-right:0; }
  .footer-top{ grid-template-columns:1fr; }
  .actions{ flex-direction:column; align-items:stretch; }
  .actions .btn{ width:100%; }
  .appearance-frame{ grid-template-columns:64px 1fr; min-height:400px; }
  .appearance-frame.nav-right{ grid-template-columns:1fr 64px; }
  .demo-sidebar{ padding:.8rem .5rem; }
  .demo-brand span,.demo-nav span b,.demo-status{ display:none; }
  .demo-nav span{ justify-content:center; padding:.7rem .3rem; }
  .model-table th:nth-child(2),.model-table td:nth-child(2){ display:none; }
}

/* ---------- Motion: small, purposeful touches ---------- */
/* Hero: staged entrance */
.hero{ position:relative; isolation:isolate; overflow:hidden; }
.hero .lead,.hero .actions,.hero-meta,.page-hero .container > :not(h1){ animation:rise .9s var(--ease) both; }
.hero .lead,.page-hero .container > :nth-child(2){ animation-delay:.12s; }
.hero .actions,.page-hero .container > :nth-child(3){ animation-delay:.22s; }
.hero-meta,.page-hero .container > :nth-child(4){ animation-delay:.32s; }
.showcase .frame{ animation:appear 1.1s var(--ease) .38s both; }
@keyframes appear{ from{ opacity:0; } to{ opacity:1; } }
@keyframes rise{ from{ opacity:0; transform:translateY(16px); } to{ opacity:1; transform:none; } }
@keyframes rise-blur{ from{ opacity:0; transform:translateY(18px); filter:blur(10px); } to{ opacity:1; transform:none; filter:blur(0); } }

/* Showcase frame straightens up as it scrolls into view (driven by --tilt from JS) */
.showcase{ perspective:1600px; }
.showcase .frame{ transform-origin:50% 0; }
.showcase .frame.tilting{ transform:rotateX(calc(var(--tilt, 0) * 9deg)) scale(calc(1 - var(--tilt, 0) * .05)); will-change:transform; }
.frame img{ transition:opacity .22s ease, transform .5s var(--ease); }
.frame img.swapping{ opacity:0; transform:scale(.985); }

/* Cards lift, with a soft light that follows the pointer */
.card{ position:relative; overflow:hidden; transition:opacity .7s var(--ease), transform .35s var(--ease), border-color .25s, box-shadow .35s var(--ease); }
.card.fade:not(.in){ transform:translateY(12px); }
.fade.in{ transition-delay:var(--d, 0s); }
.card::after{ content:""; position:absolute; inset:0; pointer-events:none; opacity:0; transition:opacity .3s;
  background:radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%), var(--spot), transparent 70%); }
.card:hover{ transform:translateY(-4px); border-color:var(--line-strong); box-shadow:0 18px 40px -24px var(--shadow); }
.card:hover::after{ opacity:1; }
.card .icon{ transition:transform .4s var(--ease); }
.card:hover .icon{ transform:scale(1.08) rotate(-4deg); }

/* Buttons, links and small controls */
.btn{ transition:background .15s, border-color .15s, color .15s, transform .2s var(--ease), box-shadow .2s var(--ease); }
.btn:hover{ transform:translateY(-1px); }
.btn:active{ transform:translateY(0) scale(.98); }
.btn-primary:hover{ box-shadow:0 8px 22px -10px var(--shadow); }
.nav-links a{ position:relative; }
.nav-links a::after{ content:""; position:absolute; left:.8rem; right:.8rem; bottom:.25rem; height:1.5px; border-radius:2px; background:currentColor; transform:scaleX(0); transform-origin:left; transition:transform .3s var(--ease); }
.nav-links a:hover::after,.nav-links a.active::after{ transform:scaleX(1); }
.nav-links a.active::after{ opacity:.35; }
.brand .brand-mark{ transition:transform .9s var(--ease); }
.brand:hover .brand-mark{ transform:rotate(180deg); }
.theme-toggle svg{ transition:transform .5s var(--ease); }
.theme-toggle.spin svg{ transform:rotate(180deg); }
.chip{ transition:background .15s, color .15s, border-color .15s, transform .2s var(--ease); }
.chip:active{ transform:scale(.96); }
.checklist li::before{ transition:transform .3s var(--ease); }
.checklist li:hover::before{ transform:scale(1.15); }

/* Command box: typed text with a blinking caret */
#cmd-output::after{ content:""; display:inline-block; width:.55em; height:1.1em; margin-left:2px; vertical-align:-.2em; background:currentColor; opacity:.7; animation:caret 1s steps(1) infinite; }
@keyframes caret{ 50%{ opacity:0; } }


/* ================= Antigravity-inspired components ================= */
.visually-hidden{ position:absolute !important; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; }
span.soft{ color:var(--ink-3); }

/* Typed text: characters appear one by one behind a blinking caret */
.js [data-typed]:not(.armed){ visibility:hidden; animation:typed-failsafe 0s 2.5s forwards; }
@keyframes typed-failsafe{ to{ visibility:visible; } }
[data-typed]{ position:relative; }
[data-typed] .ch{ visibility:hidden; }
[data-typed] .ch.on{ visibility:visible; }
.caret{ display:inline-block; width:0; position:relative; }
.caret::after{ content:""; position:absolute; left:.04em; bottom:.08em; width:.07em; min-width:2px; height:.95em; background:var(--p2); border-radius:1px; animation:caret 1s steps(1) infinite; }

/* Particle ring canvas */
.ring-host{ position:relative; isolation:isolate; }
.ring{ position:absolute; inset:0; z-index:-1; width:100%; height:100%; pointer-events:none; }

/* Hero */
.hero{ min-height:min(88vh, 860px); display:flex; align-items:center; padding:clamp(4rem, 9vw, 6rem) 0; }
.hero > .container{ position:relative; z-index:1; }
.hero h1{ font-size:clamp(2.8rem, 7.5vw, 6rem); letter-spacing:-.05em; line-height:1; font-weight:500; }
.hero .lead{ margin:1.6rem auto 2.25rem; }
.hero-shot{ padding-bottom:clamp(3rem, 7vw, 6rem); }

/* Statement with bouncing icons */
.statement{ padding:clamp(4rem, 10vw, 8rem) 0; }
.bouncers{ display:flex; gap:clamp(.75rem, 2vw, 1.25rem); margin-bottom:clamp(2rem, 4vw, 3rem); }
.bouncers li{ width:clamp(44px, 5vw, 56px); height:clamp(44px, 5vw, 56px); display:grid; place-items:center; border-radius:50%; background:var(--bg-muted); color:var(--ink); animation:bounce 2.8s var(--ease) infinite; animation-delay:calc(var(--i) * .18s); }
.bouncers svg{ width:45%; height:45%; }
@keyframes bounce{ 0%,60%,100%{ transform:translateY(0); } 30%{ transform:translateY(-10px); } }
.statement-text{ font-size:clamp(1.75rem, 4.2vw, 3.4rem); line-height:1.15; letter-spacing:-.035em; font-weight:450; max-width:22ch; }

/* Feature explorer: copy scrolls, the screenshot stays pinned and swaps */
.explorer{ padding:clamp(3rem, 7vw, 6rem) 0; }
.explorer-grid{ display:grid; grid-template-columns:minmax(0, 4fr) minmax(0, 7fr); gap:clamp(2rem, 6vw, 6rem); }
.explorer-item{ min-height:55vh; display:flex; flex-direction:column; justify-content:center; opacity:.35; cursor:pointer; transition:opacity .5s var(--ease); }
.explorer-item:hover{ opacity:.7; }
.step-num{ display:inline-flex; align-items:center; gap:.6rem; margin-bottom:1rem; font:500 .8rem var(--font-mono); color:var(--ink-3); }
.step-num::after{ content:""; width:32px; height:1px; background:currentColor; transition:width .5s var(--ease); }
.explorer-item.active .step-num{ color:var(--p2); }
.explorer-item.active .step-num::after{ width:56px; }
.explorer-item.active{ opacity:1; }
.explorer-item h3{ font-size:clamp(1.5rem, 2.6vw, 2rem); letter-spacing:-.03em; margin-bottom:1rem; }
.explorer-item p{ color:var(--ink-2); font-size:1.05rem; }
.explorer-item .frame{ display:none; margin-top:1.5rem; }
.explorer-stage{ position:sticky; top:calc(50vh - min(22vw, 250px)); align-self:start; margin-top:18vh; }
.explorer-stage .frame{ position:relative; }
.explorer-stage img{ transition:opacity .45s var(--ease), transform .6s var(--ease); }
.explorer-stage img + img{ position:absolute; inset:clamp(6px, 1vw, 10px); width:calc(100% - 2 * clamp(6px, 1vw, 10px)); }
.explorer-stage img:not(.active){ opacity:0; transform:scale(.98); }
.explorer-cta{ text-align:center; margin-top:clamp(1rem, 4vw, 3rem); }

/* Use cases: a simple grid of fully clickable cards */
.cases-head{ max-width:40rem; margin-bottom:clamp(2rem, 4vw, 3rem); }
.cases-head h2{ font-size:clamp(2rem, 4vw, 3rem); letter-spacing:-.035em; }
.cases-head p{ color:var(--ink-2); margin-top:1rem; font-size:1.05rem; }
.cases{ display:grid; grid-template-columns:repeat(4, minmax(0, 1fr)); gap:1rem; }
.case{ display:flex; flex-direction:column; padding:.75rem .75rem 1.5rem; border:1px solid var(--line); border-radius:var(--r-lg); background:var(--surface); transition:opacity .7s var(--ease), transform .35s var(--ease), border-color .25s, box-shadow .35s var(--ease); }
.case.fade:not(.in){ transform:translateY(12px); }
.case:hover{ transform:translateY(-4px); border-color:var(--line-strong); box-shadow:0 18px 40px -24px var(--shadow); }
.case:focus-visible{ outline-offset:4px; }
.case-media{ aspect-ratio:16/10; border-radius:calc(var(--r-lg) - 8px); overflow:hidden; background:var(--dark); margin-bottom:1.25rem; }
.case-media img{ width:100%; height:100%; object-fit:contain; transition:transform .8s var(--ease); }
.case:hover .case-media img{ transform:scale(1.03); }
.case h3{ font-size:1.15rem; letter-spacing:-.02em; margin:0 .5rem .5rem; }
.case p{ color:var(--ink-2); font-size:.95rem; margin:0 .5rem 1.25rem; flex:1; }
.case .arrow-link{ margin:0 .5rem; }
@media (max-width:1180px){ .cases{ grid-template-columns:repeat(2, minmax(0, 1fr)); } }
.arrow-link{ display:inline-flex; align-items:center; gap:.4rem; font-weight:500; font-size:.95rem; }
.arrow-link::after{ content:"→"; transition:transform .25s var(--ease); }
.arrow-link:hover::after,.case:hover .arrow-link::after{ transform:translateX(4px); }

/* Product cards with a dot field that gathers on hover */
.try-grid{ display:grid; grid-template-columns:repeat(2, minmax(0, 1fr)); gap:1rem; }
.try-card{ position:relative; overflow:hidden; isolation:isolate; min-height:340px; display:flex; flex-direction:column; justify-content:space-between; gap:2rem; padding:clamp(1.75rem, 3vw, 2.5rem); border-radius:var(--r-lg); background:var(--bg-soft); }
.try-card::before{ content:""; position:absolute; inset:-20%; z-index:-1; background-image:radial-gradient(var(--p1) 1px, transparent 1.4px); background-size:18px 18px; opacity:.28;
  -webkit-mask-image:radial-gradient(circle at 80% 30%, #000 0, transparent 45%); mask-image:radial-gradient(circle at 80% 30%, #000 0, transparent 45%);
  transform:scale(1.15) rotate(-6deg); transition:transform 1.2s var(--ease), opacity .6s, -webkit-mask-size 1s, mask-size 1s; }
.try-card:hover::before{ transform:scale(1) rotate(0); opacity:.5; }
.try-label{ font-size:.85rem; color:var(--ink-3); margin-bottom:1.5rem; }
.try-card h3{ font-size:clamp(1.6rem, 3vw, 2.25rem); letter-spacing:-.035em; }
.try-card h3 + p{ font-size:clamp(1.6rem, 3vw, 2.25rem); letter-spacing:-.035em; line-height:1.12; color:var(--ink-3); font-weight:500; }
.try-card .cmd{ margin-top:0; max-width:360px; }

/* Download panel: dark block with its own particle ring */
.download{ padding:clamp(2rem, 5vw, 4rem) 0; }
.download-panel{ position:relative; isolation:isolate; overflow:hidden; border-radius:clamp(20px, 3vw, 32px); background:#121317; color:#f3f4f6; padding:clamp(6rem, 16vw, 12rem) clamp(1.5rem, 6vw, 5rem); --p1:#9ea1aa; --p2:#6f95ff; --p3:#b08cff; }
:root[data-theme="dark"] .download-panel{ background:#16171b; border:1px solid var(--line); }
.download-panel h2{ font-size:clamp(2.2rem, 5.5vw, 4.25rem); letter-spacing:-.045em; line-height:1.02; max-width:12ch; font-weight:500; }
.download-panel p{ color:#a9abb3; margin-top:1rem; }
.download-panel .actions{ margin-top:2rem; }
.btn-inverse{ background:#fff; color:#121317; }
.btn-inverse:hover{ background:#e6e7ea; }
.btn-ghost-inverse{ background:rgba(255,255,255,.08); color:#fff; border-color:rgba(255,255,255,.22); backdrop-filter:blur(8px); }
.btn-ghost-inverse:hover{ background:rgba(255,255,255,.16); }

@media (max-width:960px){
  .explorer-grid{ grid-template-columns:1fr; }
  .explorer-stage{ display:none; }
  .explorer-item{ min-height:0; opacity:1; padding:1.5rem 0; cursor:auto; }
  .explorer-item .frame{ display:block; }
  .try-grid{ grid-template-columns:1fr; }
  .cases{ grid-template-columns:repeat(2, minmax(0, 1fr)); }
}
@media (max-width:640px){
  .hero{ min-height:auto; }
  .try-card{ min-height:0; }
  .cases{ grid-template-columns:1fr; }
  .download-panel{ padding:5rem 1.5rem; }
}


/* ================= Synapse (phone app) page ================= */
.syn-hero{ padding:clamp(3rem, 8vw, 6rem) 0 clamp(3rem, 6vw, 5rem); overflow:hidden; }
.syn-hero-grid{ display:grid; grid-template-columns:minmax(0, 1.05fr) minmax(0, .95fr); gap:clamp(2rem, 5vw, 4rem); align-items:center; }
.syn-hero h1{ font-size:clamp(2.6rem, 6vw, 5rem); letter-spacing:-.05em; line-height:1.02; }
.syn-hero .lead{ margin:1.5rem 0 2rem; max-width:34rem; }
.syn-meta{ margin-top:1rem; font-size:.88rem; color:var(--ink-3); }

.phones{ position:relative; display:flex; justify-content:center; align-items:flex-end; gap:clamp(.75rem, 2vw, 1.5rem); min-height:clamp(420px, 48vw, 600px); }
.phone{ width:clamp(170px, 19vw, 250px); aspect-ratio:923/2000; border-radius:clamp(26px, 3vw, 38px); padding:clamp(5px, .6vw, 8px); background:#17181c; box-shadow:0 0 0 1px rgba(255,255,255,.06) inset, 0 40px 80px -30px var(--shadow); flex:0 0 auto; }
.phone img{ width:100%; height:100%; object-fit:cover; border-radius:calc(clamp(26px, 3vw, 38px) - 7px); }
.phones .phone:first-child{ transform:translateY(-8%) rotate(-4deg); }
.phones .phone:last-child{ transform:rotate(3deg); }

.stages{ display:grid; grid-template-columns:repeat(3, minmax(0, 1fr)); gap:1rem; counter-reset:stage; }
.stage{ position:relative; padding:clamp(1.5rem, 3vw, 2rem); border-radius:var(--r-lg); background:var(--surface); border:1px solid var(--line); }
.section.soft .stage{ border-color:transparent; }
.stage::before{ counter-increment:stage; content:"0" counter(stage); display:block; font:500 .85rem var(--font-mono); color:var(--p2); margin-bottom:1.25rem; }
.stage h3{ font-size:1.3rem; letter-spacing:-.02em; margin-bottom:.35rem; }
.stage .when{ font-size:.85rem; color:var(--ink-3); margin-bottom:1rem; }
.stage p{ color:var(--ink-2); }
.code-demo{ display:flex; gap:.3rem; margin-top:1.25rem; font:500 .95rem var(--font-mono); flex-wrap:wrap; }
.code-demo span{ padding:.35rem .5rem; border-radius:8px; background:var(--bg-muted); letter-spacing:.08em; }
.facts{ display:grid; gap:.4rem; margin-top:1.25rem; font-size:.9rem; color:var(--ink-2); }
.facts li{ position:relative; padding-left:1.1rem; }
.facts li::before{ content:""; position:absolute; left:0; top:.65em; width:5px; height:5px; border-radius:50%; background:var(--ink-3); }

/* Route diagram: Wi-Fi vs Bluetooth */
.routes{ display:grid; grid-template-columns:minmax(0, 1fr) minmax(0, 1.1fr); gap:clamp(2rem, 5vw, 4rem); align-items:center; }
.route-toggle{ display:inline-flex; padding:.3rem; gap:.25rem; background:var(--bg-muted); border-radius:var(--r-pill); margin:1.5rem 0 1rem; flex-wrap:wrap; }
.route-toggle button{ border:0; background:transparent; color:var(--ink-2); padding:.55rem 1rem; border-radius:var(--r-pill); font-size:.88rem; font-weight:500; }
.route-toggle button.active{ background:var(--surface); color:var(--ink); box-shadow:0 1px 3px rgba(0,0,0,.1); }
.route-status{ min-height:3em; color:var(--ink-2); font-size:.95rem; }
.diagram{ padding:clamp(1.25rem, 3vw, 2rem); border-radius:var(--r-lg); background:var(--bg-soft); border:1px solid var(--line); }
.diagram svg{ width:100%; height:auto; overflow:visible; }
.diagram .node rect{ fill:var(--surface); stroke:var(--line-strong); }
.diagram .node text,.diagram .lbl{ fill:var(--ink); font:500 13px var(--font-body); }
.diagram .sub{ fill:var(--ink-3); font:400 11px var(--font-body); }
.diagram .glyph{ fill:none; stroke:var(--ink); stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round; }
.diagram .link{ fill:none; stroke-width:2.5; stroke-linecap:round; stroke-dasharray:2 9; transition:stroke .4s, opacity .4s; animation:flow 1s linear infinite; }
.diagram .link.wifi{ stroke:var(--p2); }
.diagram .link.bt{ stroke:var(--p3); opacity:.35; animation-play-state:paused; }
.diagram .block{ opacity:0; transition:opacity .3s; }
.diagram .block line{ stroke:#e5484d; stroke-width:3; stroke-linecap:round; }
.diagram.blocked .link.wifi{ stroke:var(--line-strong); animation-play-state:paused; }
.diagram.blocked .link.bt{ opacity:1; animation-play-state:running; }
.diagram.blocked .block{ opacity:1; }
.diagram .lock{ fill:var(--surface); stroke:var(--line-strong); }
@keyframes flow{ to{ stroke-dashoffset:-22; } }

/* Settings preview: a phone chat restyled live */
.prefs{ display:grid; grid-template-columns:minmax(0, 1fr) auto; gap:clamp(2rem, 6vw, 5rem); align-items:center; }
.pref-controls{ display:grid; gap:1.5rem; margin-top:1.75rem; max-width:28rem; }
.pref-controls label,.pref-label{ display:flex; justify-content:space-between; font-size:.9rem; color:var(--ink-2); margin-bottom:.6rem; }
.pref-controls output{ color:var(--ink); font-weight:500; }
.pref-controls input[type=range]{ width:100%; accent-color:var(--ink); }
.pref-select{ width:100%; padding:.6rem .75rem; border:1px solid var(--line-strong); border-radius:var(--r-sm); background:var(--surface); color:var(--ink); font:inherit; }
.swatches{ display:flex; gap:.6rem; flex-wrap:wrap; }
.swatch{ width:34px; height:34px; border-radius:50%; border:2px solid var(--surface); box-shadow:0 0 0 1px var(--line-strong); background:var(--c); transition:transform .2s var(--ease), box-shadow .2s; }
.swatch:hover{ transform:scale(1.08); }
.swatch.active{ box-shadow:0 0 0 2px var(--ink); }
.mini-phone{ --accent:#dbe9f6; --radius:22px; --fs:15px; --bg:#0a121c; --panel:#111b27; --fg:#eef2f6; --edge:#1f2c3b; width:clamp(240px, 26vw, 300px); aspect-ratio:9/17; border-radius:36px; padding:8px; background:#17181c; box-shadow:0 40px 80px -30px var(--shadow); }
.mini-phone.light{ --bg:#f4f6f9; --panel:#ffffff; --fg:#10151c; --edge:#dde3ea; }
.mini-screen{ height:100%; border-radius:29px; background:var(--bg); color:var(--fg); display:flex; flex-direction:column; overflow:hidden; font-size:var(--fs); transition:background .3s, color .3s; }
.mini-top{ display:flex; justify-content:space-between; align-items:center; padding:1.1rem 1rem .8rem; border-bottom:1px solid var(--edge); font-size:.8em; }
.mini-top b{ display:block; font-size:1.05em; font-weight:500; }
.mini-top span{ color:#34c759; font-size:.85em; }
.mini-model{ padding:.35em .7em; border-radius:999px; background:var(--panel); border:1px solid var(--edge); font-size:.85em; }
.mini-chat{ flex:1; padding:1rem; display:flex; flex-direction:column; gap:.7rem; }
.mini-chat p{ margin:0; padding:.6em .9em; max-width:82%; line-height:1.35; border-radius:var(--radius); transition:border-radius .2s, background .3s; }
.mini-chat .me{ align-self:flex-end; background:var(--accent); color:#0b1118; border-bottom-right-radius:min(var(--radius), 6px); }
.mini-chat .ai{ background:var(--panel); border:1px solid var(--edge); border-bottom-left-radius:min(var(--radius), 6px); }
.mini-input{ margin:0 .75rem .9rem; padding:.7em 1em; border-radius:999px; background:var(--panel); border:1px solid var(--edge); color:#7d8894; font-size:.85em; }

/* Compact FAQ grid on the Synapse page */
.faq-grid{ display:grid; grid-template-columns:repeat(2, minmax(0, 1fr)); gap:0 clamp(2rem, 5vw, 4rem); }

/* Synapse teaser on the home page */
.teaser{ display:grid; grid-template-columns:minmax(0, 1.2fr) minmax(0, .8fr); gap:2rem; align-items:center; padding:clamp(2rem, 5vw, 3.5rem); border-radius:var(--r-lg); background:var(--bg-soft); overflow:hidden; }
.teaser h2{ font-size:clamp(1.8rem, 3.6vw, 2.75rem); letter-spacing:-.035em; }
.teaser p{ color:var(--ink-2); margin:1rem 0 1.75rem; max-width:32rem; }
.teaser .phones{ min-height:0; margin-bottom:calc(-1 * clamp(2rem, 5vw, 3.5rem) - 120px); }
.teaser .phone{ width:clamp(150px, 16vw, 200px); }

@media (max-width:960px){
  .syn-hero-grid,.routes,.prefs,.teaser{ grid-template-columns:1fr; }
  .stages{ grid-template-columns:1fr; }
  .faq-grid{ grid-template-columns:1fr; }
  .prefs .mini-phone{ justify-self:center; }
  .teaser .phones{ margin-bottom:-160px; }
}
@media (max-width:640px){
  .phones{ min-height:0; }
  .phone{ width:42vw; }
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration:.001ms !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
  .fade{ opacity:1; transform:none; }
  .showcase .frame.tilting{ transform:none; }
  #cmd-output::after{ display:none; }
  .bouncers li{ animation:none; }
  .explorer-item{ opacity:1; }
  .diagram .link{ animation:none; }
}