:root {
  color-scheme: light dark;
  --ink: #17213a;
  --ink-soft: #516078;
  --paper: #f8f2e8;
  --paper-strong: #fffaf2;
  --cream: #efe4d2;
  --clay: #b5694d;
  --clay-dark: #8d4936;
  --sea: #155e66;
  --sea-soft: #cfe8e4;
  --navy: #10213f;
  --line: rgba(23, 33, 58, 0.14);
  --glass: rgba(255, 250, 242, 0.72);
  --shadow: 0 24px 70px rgba(56, 43, 31, 0.18);
  --radius: 28px;
  --max: 1120px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #eef5ff; --ink-soft: #aebbd1; --paper: #0b1020; --paper-strong: #121a2f; --cream: #182039; --clay: #f0a47f; --clay-dark: #ffbd97; --sea: #7bd5d6; --sea-soft: #173a44; --navy: #f7f1e8; --line: rgba(238,245,255,.16); --glass: rgba(18, 26, 47, 0.72); --shadow: 0 30px 80px rgba(0,0,0,.36);
  }
}
html[data-theme="dark"] { --ink: #eef5ff; --ink-soft: #aebbd1; --paper: #0b1020; --paper-strong: #121a2f; --cream: #182039; --clay: #f0a47f; --clay-dark: #ffbd97; --sea: #7bd5d6; --sea-soft: #173a44; --navy: #f7f1e8; --line: rgba(238,245,255,.16); --glass: rgba(18, 26, 47, 0.72); --shadow: 0 30px 80px rgba(0,0,0,.36); }
html[data-theme="light"] { --ink: #17213a; --ink-soft: #516078; --paper: #f8f2e8; --paper-strong: #fffaf2; --cream: #efe4d2; --clay: #b5694d; --clay-dark: #8d4936; --sea: #155e66; --sea-soft: #cfe8e4; --navy: #10213f; --line: rgba(23,33,58,.14); --glass: rgba(255,250,242,.72); --shadow: 0 24px 70px rgba(56,43,31,.18); }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin:0; color:var(--ink); background: radial-gradient(circle at top left, color-mix(in srgb, var(--sea) 24%, transparent), transparent 34rem), radial-gradient(circle at 85% 10%, color-mix(in srgb, var(--clay) 18%, transparent), transparent 28rem), linear-gradient(180deg, var(--paper) 0%, color-mix(in srgb, var(--paper) 88%, var(--paper-strong)) 44%, var(--cream) 100%); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height:1.6; -webkit-font-smoothing:antialiased; overflow-x:hidden; }
a { color:var(--sea); text-decoration:none; } a:hover { text-decoration:underline; }
/* Accessibility: links inside prose carry a non-colour affordance (WCAG 1.4.1); visible keyboard focus (2.4.7). */
main p a, .doc a, .inline-actions a, .text-link { text-decoration:underline; }
:focus-visible { outline:2px solid var(--sea); outline-offset:2px; border-radius:6px; }
.skip-link { position:absolute; left:-999px; top:12px; background:var(--ink); color:var(--paper); padding:10px 14px; border-radius:12px; z-index:20; } .skip-link:focus{left:12px;}
.ambient { position:fixed; inset:0; pointer-events:none; overflow:hidden; z-index:-1; opacity:.9; }
.ambient span { position:absolute; width:38vw; height:38vw; border-radius:999px; filter:blur(58px); opacity:.34; animation:floaty 18s ease-in-out infinite; }
.ambient span:nth-child(1){background:var(--sea); left:-12vw; top:4vh}.ambient span:nth-child(2){background:var(--clay); right:-14vw; top:10vh; animation-delay:-5s}.ambient span:nth-child(3){background:#8170d8; left:24vw; bottom:-20vw; animation-delay:-9s}.ambient span:nth-child(4){background:var(--sea-soft); right:16vw; bottom:8vh; animation-delay:-13s}
@keyframes floaty { 0%,100%{transform:translate3d(0,0,0) scale(1)} 50%{transform:translate3d(4vw,-3vh,0) scale(1.12)} }
.site-header,.site-footer{max-width:var(--max);margin:0 auto;padding:22px;}.site-header{display:flex;align-items:center;justify-content:space-between;gap:18px;position:relative;z-index:4}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:850;letter-spacing:-.02em}.brand:hover{text-decoration:none}.brand img{width:44px;height:44px;border-radius:13px;box-shadow:0 10px 30px rgba(16,33,63,.16)}.brand small{display:block;color:var(--ink-soft);font-size:12px;font-weight:750;letter-spacing:.06em;text-transform:uppercase}.top-nav{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.top-nav a{color:var(--ink-soft);font-weight:750;font-size:14px}.top-nav a:hover{color:var(--ink);text-decoration:none}.theme-toggle{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--glass);color:var(--ink);border-radius:999px;padding:10px 13px;font-weight:850;cursor:pointer;backdrop-filter:blur(14px)}.theme-toggle b{font-size:12px}.section-shell{max-width:var(--max);margin:0 auto;padding:72px 22px}.eyebrow{margin:0 0 12px;color:var(--clay-dark);font-size:13px;font-weight:900;letter-spacing:.11em;text-transform:uppercase}h1,h2,h3{line-height:1.05;letter-spacing:-.045em;margin:0}h1{font-size:clamp(42px,7vw,78px);max-width:900px}h2{font-size:clamp(32px,4.8vw,56px)}h3{font-size:22px}p{color:var(--ink-soft);margin:14px 0 0}.lead{max-width:720px;font-size:clamp(18px,2.2vw,22px)}
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.75fr);gap:42px;align-items:center;padding-top:54px}.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:14px 22px;font-weight:900;border:1px solid transparent;box-shadow:0 10px 30px rgba(16,33,63,.08);transition:transform .2s ease,filter .2s ease}.button:hover{text-decoration:none;transform:translateY(-1px)}.button.primary{background:var(--navy);color:var(--paper)}.button.secondary{background:var(--glass);color:var(--ink);border-color:var(--line)}.cta-note{font-size:13.5px;color:var(--ink-soft);margin-top:12px}.phone-stage{perspective:1200px}.phone-shell{position:relative;overflow:hidden;border:1px solid color-mix(in srgb,var(--line) 60%,white 20%);border-radius:40px;padding:22px;background:linear-gradient(160deg,var(--glass),color-mix(in srgb,var(--sea-soft) 42%,transparent));box-shadow:var(--shadow);min-height:520px;transform:rotateY(-8deg) rotateX(3deg)}.phone-shell::before{content:"";position:absolute;inset:-45%;background:conic-gradient(from 90deg,transparent,var(--sea),transparent,var(--clay),transparent);opacity:.16;animation:spin 16s linear infinite}.phone-top,.hero-carousel,.audio-bars,.carousel-dots{position:relative}.phone-top{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--ink-soft);margin-bottom:36px}.phone-top span{width:58px;height:18px;border-radius:999px;background:rgba(0,0,0,.18)}.phone-top em{font-style:normal}.slide{display:none;min-height:225px;padding:26px;border-radius:28px;background:var(--glass);border:1px solid var(--line);box-shadow:0 18px 44px rgba(0,0,0,.08)}.slide.active{display:block;animation:fadeSlide .55s ease}.mini-label{color:var(--clay-dark);font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.1em}.audio-bars{display:flex;align-items:end;gap:9px;height:112px;margin-top:30px}.audio-bars span{flex:1;border-radius:999px 999px 12px 12px;background:linear-gradient(180deg,var(--sea),var(--clay));animation:barDance 1.5s ease-in-out infinite}.audio-bars span:nth-child(2){animation-delay:.12s}.audio-bars span:nth-child(3){animation-delay:.24s}.audio-bars span:nth-child(4){animation-delay:.36s}.audio-bars span:nth-child(5){animation-delay:.48s}.audio-bars span:nth-child(6){animation-delay:.6s}@keyframes barDance{0%,100%{height:22px}50%{height:105px}}@keyframes spin{to{transform:rotate(1turn)}}@keyframes fadeSlide{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.split-section{display:grid;grid-template-columns:.75fr 1.25fr;gap:40px;align-items:start}.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.feature-card,.spectra-panel,.trust-grid>div,main.doc .note,.moment-card,.compare-card,.feature-matrix article{background:var(--glass);border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 14px 44px rgba(56,43,31,.08);backdrop-filter:blur(14px)}.feature-card p{font-size:15px}.moments-section h2{max-width:780px}.moments-carousel,.compare-track{display:grid;margin-top:28px}.moment-card,.compare-card{display:none;min-height:230px}.moment-card.active,.compare-card.active{display:block;animation:fadeSlide .45s ease}.moment-card span{display:inline-block;color:var(--clay-dark);font-weight:900;text-transform:uppercase;letter-spacing:.1em;font-size:12px}.moment-card h3{font-size:clamp(28px,4vw,46px);margin-top:18px;max-width:820px}.carousel-controls{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:20px;flex-wrap:wrap}.carousel-controls button,.carousel-dots button{border:1px solid var(--line);background:var(--glass);color:var(--ink);border-radius:999px;cursor:pointer}.carousel-controls>button{padding:10px 14px;font-weight:850}.carousel-dots{display:flex;gap:8px;justify-content:center;margin-top:18px}.carousel-dots button{width:10px;height:10px;padding:0;opacity:.45}.carousel-dots button.active{opacity:1;background:var(--clay)}.carousel-toggle{font-size:13px}
.spectra-section{display:grid;grid-template-columns:1fr .85fr;gap:30px;align-items:center;border-block:1px solid var(--line)}.spectra-copy p{font-size:18px;max-width:680px}.text-link{display:inline-block;margin-top:18px;font-weight:900}.spectra-panel{background:linear-gradient(160deg,color-mix(in srgb,var(--navy) 92%,#18365e),#18365e);color:var(--paper);min-height:300px;display:flex;flex-direction:column;justify-content:center}.spectra-panel p{color:color-mix(in srgb,var(--paper) 84%,var(--sea))}.spectra-panel.compact{min-height:auto}.orbital{position:relative;width:190px;height:190px;margin:0 auto 22px;border:1px solid rgba(255,255,255,.22);border-radius:50%;animation:spin 18s linear infinite}.orbital span{position:absolute;width:26px;height:26px;border-radius:50%;background:var(--sea);box-shadow:0 0 35px var(--sea)}.orbital span:nth-child(1){left:50%;top:-13px}.orbital span:nth-child(2){right:6px;bottom:28px;background:var(--clay)}.orbital span:nth-child(3){left:12px;bottom:38px;background:#9b87ff}.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}.trust-grid strong{display:block;color:var(--ink);font-size:18px;line-height:1.2}.inline-actions{display:flex;gap:18px;flex-wrap:wrap;margin-top:24px;font-weight:900}.final-cta{text-align:center}.final-cta h2,.final-cta p,.final-cta .actions{margin-left:auto;margin-right:auto;justify-content:center}.final-cta p{max-width:620px;font-size:18px}.page-hero{text-align:left}.feature-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.feature-matrix article span{color:var(--clay-dark);font-size:13px;font-weight:900}.site-footer{border-top:1px solid var(--line);max-width:none}.footer-inner{max-width:var(--max);margin:0 auto;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:var(--ink-soft);font-size:14px}.site-footer nav{display:flex;gap:16px;flex-wrap:wrap}main.doc{max-width:850px;margin:0 auto;padding:52px 22px 78px}main.doc h1{font-size:clamp(34px,5vw,52px)}main.doc h2{font-size:24px;margin-top:38px;padding-top:24px;border-top:1px solid var(--line);letter-spacing:-.025em}main.doc .meta{font-size:14px;color:var(--ink-soft)}main.doc ul{padding-left:22px;color:var(--ink-soft)}main.doc li{margin:7px 0}main.doc code{background:rgba(16,33,63,.08);border-radius:6px;padding:2px 6px}.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}.reveal.visible{opacity:1;transform:translateY(0)}
@media (max-width:900px){.site-header{align-items:flex-start;flex-direction:column}.hero,.split-section,.spectra-section{grid-template-columns:1fr}.feature-grid,.trust-grid,.feature-matrix{grid-template-columns:1fr}.section-shell{padding:52px 18px}.hero{padding-top:34px}.phone-shell{transform:none;min-height:470px}.top-nav{gap:12px}.theme-toggle{position:absolute;right:18px;top:20px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.ambient span,.phone-shell::before,.audio-bars span,.orbital,.slide.active,.moment-card.active,.compare-card.active{animation:none}.button:hover{transform:none}.reveal{transition:none}}


.problem-grid,.spectra-card-grid,.fundamentals-grid,.prompt-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}.spectra-card-grid,.fundamentals-grid,.prompt-grid{grid-template-columns:repeat(2,1fr)}.problem-grid article,.spectra-card-grid article,.fundamentals-grid article,.prompt-grid article,.workflow-rail article,.positioning-strip div{background:var(--glass);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 14px 44px rgba(56,43,31,.08);backdrop-filter:blur(14px)}.problem-grid strong,.fundamentals-grid strong,.workflow-rail strong,.positioning-strip strong{display:block;color:var(--ink);font-size:18px;line-height:1.15}.spectra-card-grid span,.workflow-rail span,.positioning-strip span{display:inline-block;color:var(--clay-dark);font-weight:900;text-transform:uppercase;letter-spacing:.1em;font-size:12px;margin-bottom:10px}.workflow-rail{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:28px;position:relative}.workflow-rail article{position:relative;min-height:170px}.workflow-rail article span{width:34px;height:34px;border-radius:999px;background:var(--navy);color:var(--paper);display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px}.positioning-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:28px}.positioning-strip div:last-child{background:linear-gradient(160deg,color-mix(in srgb,var(--sea) 24%,var(--glass)),var(--glass));border-color:color-mix(in srgb,var(--sea) 45%,var(--line))}.prompt-grid code{display:block;color:var(--ink);font-weight:850;background:color-mix(in srgb,var(--sea) 12%,transparent);border:1px solid var(--line);padding:12px;border-radius:14px;white-space:normal}.fundamentals-section h2,.prompt-lab h2,.workflow-section h2,.spectra-cards-section h2,.problem-section h2{max-width:840px}
@media (max-width:900px){.problem-grid,.spectra-card-grid,.fundamentals-grid,.prompt-grid,.workflow-rail,.positioning-strip{grid-template-columns:1fr}.workflow-rail article{min-height:auto}}

.changelog-list{display:grid;gap:18px}.changelog-list article{background:var(--glass);border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:0 14px 44px rgba(56,43,31,.08);backdrop-filter:blur(14px)}.changelog-list time{display:inline-block;color:var(--clay-dark);font-weight:900;text-transform:uppercase;letter-spacing:.1em;font-size:12px;margin-bottom:10px}.changelog-list h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px}.changelog-list ul{margin:12px 0 0;padding-left:22px;color:var(--ink-soft)}.changelog-list li{margin:8px 0}