/* ============================================================
   graphi — terminal aesthetic. Deep charcoal + phosphor teal/green.
   Motion system: entrance choreography, ambient graph canvas,
   pointer-tracked glow cards, staggered reveals.
   ============================================================ */
:root, [data-theme="dark"]{
  --font-body:'General Sans','Inter',system-ui,sans-serif;
  --font-mono:'JetBrains Mono','SFMono-Regular',ui-monospace,monospace;

  /* Motion tokens */
  --ease-out:cubic-bezier(.16,1,.3,1);
  --ease-spring:cubic-bezier(.34,1.56,.64,1);
  --dur-fast:.18s;
  --dur-med:.45s;
  --dur-slow:.8s;

  /* Fluid type */
  --text-xs:clamp(.75rem,.72rem + .15vw,.82rem);
  --text-sm:clamp(.85rem,.8rem + .2vw,.95rem);
  --text-base:clamp(1rem,.96rem + .2vw,1.075rem);
  --text-lg:clamp(1.15rem,1rem + .6vw,1.4rem);
  --text-xl:clamp(1.5rem,1.15rem + 1.5vw,2.35rem);
  --text-2xl:clamp(2.2rem,1.35rem + 2.5vw,3.4rem);

  /* Dark palette */
  --color-bg:#0b0f0e;
  --color-surface:#101614;
  --color-surface-2:#141b19;
  --color-border:#1f2b28;
  --color-border-strong:#2c3d38;
  --color-text:#d5e0dc;
  --color-text-muted:#8ba09a;
  --color-text-faint:#7a8f89;
  --color-primary:#3ee6b0;          /* phosphor teal-green */
  --color-primary-dim:#1f9c78;
  --color-primary-glow:rgba(62,230,176,.16);
  --color-accent-2:#59d0ff;         /* cyan for secondary tokens */
  --color-accent-2-glow:rgba(89,208,255,.08);
  --grid-line:rgba(62,230,176,.05);

  --shadow-lg:0 24px 60px rgba(0,0,0,.55);
  --radius:12px;
  --content:1160px;
}
[data-theme="light"]{
  --color-bg:#f4f7f5;
  --color-surface:#ffffff;
  --color-surface-2:#eef3f1;
  --color-border:#dbe4e0;
  --color-border-strong:#c3d2cc;
  --color-text:#132420;
  --color-text-muted:#4c635c;
  --color-text-faint:#5d736c;
  --color-primary:#087a59;
  --color-primary-dim:#0c9c72;
  --color-primary-glow:rgba(12,156,114,.18);
  --color-accent-2:#0a86bd;
  --color-accent-2-glow:rgba(10,134,189,.1);
  --grid-line:rgba(12,156,114,.09);
  --shadow-lg:0 24px 60px rgba(19,36,32,.12);
}

.container{width:100%;max-width:var(--content);margin-inline:auto;padding-inline:clamp(1.1rem,4vw,2.5rem)}

/* -------- SHARED KEYFRAMES -------- */
@keyframes rise{
  from{opacity:0;transform:translateY(24px);filter:blur(6px)}
  to{opacity:1;transform:none;filter:none}
}
@keyframes fade-in{from{opacity:0}to{opacity:1}}
@keyframes sheen{to{background-position:200% 0}}
@keyframes pulse{50%{box-shadow:0 0 0 6px transparent}}
@keyframes blink{50%{opacity:0}}
@keyframes grid-drift{to{background-position:44px 44px}}
@keyframes orb-a{from{transform:translate(0,0) scale(1)}to{transform:translate(-8%,10%) scale(1.15)}}
@keyframes orb-b{from{transform:translate(0,0) scale(1.1)}to{transform:translate(10%,-8%) scale(1)}}
@keyframes marquee-scroll{to{transform:translateX(-50%)}}
@keyframes term-line{to{opacity:1}}
@keyframes type{to{width:100%}}
@keyframes cursor-in{to{opacity:1}}
@keyframes copy-flash{
  0%{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-glow)}
  100%{border-color:var(--color-border-strong);box-shadow:none}
}

/* -------- HEADER -------- */
.header{position:sticky;top:0;z-index:50;background:var(--color-bg);background:color-mix(in oklab,var(--color-bg) 82%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:box-shadow .3s var(--ease-out)}
.header.is-scrolled{border-bottom-color:var(--color-border);box-shadow:0 8px 30px rgba(0,0,0,.25)}
[data-theme="light"] .header.is-scrolled{box-shadow:0 8px 30px rgba(19,36,32,.08)}
.header__inner{display:flex;align-items:center;gap:1.5rem;height:64px;transition:height .3s var(--ease-out)}
.header.is-scrolled .header__inner{height:56px}
.brand{display:flex;align-items:center;gap:.55rem;text-decoration:none;font-family:var(--font-mono);font-weight:700;letter-spacing:-.01em}
.brand__logo{border-radius:7px}
.brand__name{font-size:1.05rem}
.nav{display:flex;gap:1.4rem;margin-left:auto;font-size:var(--text-sm);font-family:var(--font-mono)}
.nav a{position:relative;color:var(--color-text-muted);text-decoration:none;padding-block:.25rem}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1px;background:var(--color-primary);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease-out)}
.nav a:hover,.nav a.is-active{color:var(--color-primary)}
.nav a:hover::after,.nav a.is-active::after{transform:scaleX(1)}
.header__actions{display:flex;align-items:center;gap:.6rem;margin-left:1rem}
.icon-btn{display:grid;place-items:center;width:38px;height:38px;border-radius:8px;color:var(--color-text-muted);border:1px solid var(--color-border)}
.icon-btn:hover{color:var(--color-primary);border-color:var(--color-border-strong)}

/* -------- BUTTONS -------- */
.btn{position:relative;display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-mono);font-size:var(--text-sm);font-weight:500;text-decoration:none;padding:.6rem 1.1rem;border-radius:8px;border:1px solid transparent;white-space:nowrap;overflow:hidden}
.btn--primary{background:var(--color-primary);color:#04120d;box-shadow:0 0 0 1px var(--color-primary),0 6px 24px var(--color-primary-glow)}
[data-theme="light"] .btn--primary{color:#f4fffb}
.btn--primary::before{content:"";position:absolute;inset:0;left:-100%;background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.35) 50%,transparent 60%);transition:left .6s var(--ease-out)}
.btn--primary:hover::before{left:100%}
.btn--primary:hover{transform:translateY(-2px);transition-timing-function:var(--ease-spring);box-shadow:0 0 0 1px var(--color-primary),0 10px 34px var(--color-primary-glow),0 0 18px var(--color-primary-glow)}
.btn--ghost{border-color:var(--color-border-strong);color:var(--color-text)}
.btn--ghost:hover{border-color:var(--color-primary);color:var(--color-primary);box-shadow:inset 0 0 18px var(--color-primary-glow)}
.btn:active{transform:translateY(0) scale(.98);transition-duration:.08s}
.btn svg{transition:transform .25s var(--ease-spring)}
.btn:hover svg{transform:translateX(2px) rotate(-4deg)}

/* -------- SECTIONS -------- */
.section{padding-block:clamp(3.5rem,8vw,7rem);position:relative}
.section--compact{padding-block:clamp(2.5rem,5vw,4.5rem)}
.section--tint{background:var(--color-surface);border-block:1px solid var(--color-border)}
.section--tint::before{content:"";position:absolute;top:-1px;left:50%;translate:-50% 0;width:min(600px,80%);height:1px;background:linear-gradient(90deg,transparent,var(--color-primary-dim),transparent);opacity:.5}
.section__head{max-width:760px;margin-bottom:2.6rem}
.section__head--center{margin-inline:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.14em;text-transform:uppercase;color:var(--color-primary);margin-bottom:.9rem}
.eyebrow__num{color:var(--color-text-faint);letter-spacing:.05em}
.eyebrow__num::after{content:"—";margin-left:.6rem;opacity:.5}
.eyebrow--pill{border:1px solid var(--color-border-strong);border-radius:999px;padding:.35rem .9rem;background:color-mix(in oklab,var(--color-surface) 70%,transparent)}
.pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--color-primary);box-shadow:0 0 0 0 var(--color-primary-glow);animation:pulse 2.4s ease-out infinite}
h2{font-family:var(--font-body);font-weight:600;font-size:var(--text-xl);letter-spacing:-.02em}
.prose{max-width:70ch;color:var(--color-text-muted);font-size:var(--text-base)}
.prose strong{color:var(--color-text);font-weight:600}
.prose--tight{margin-bottom:2.4rem}

/* -------- HERO -------- */
.hero{position:relative;padding-block:clamp(3rem,7vw,6rem);overflow:hidden}
.hero__net{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.5}
[data-theme="light"] .hero__net{opacity:.35}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(ellipse 80% 60% at 60% 30%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 80% 60% at 60% 30%,#000 30%,transparent 75%);animation:grid-drift 30s linear infinite;z-index:1;pointer-events:none}
.hero::after{content:"";position:absolute;width:60vw;height:60vw;max-width:820px;max-height:820px;top:-25%;right:-15%;border-radius:50%;background:radial-gradient(circle,var(--color-primary-glow),transparent 62%);filter:blur(60px);animation:orb-a 26s ease-in-out infinite alternate;pointer-events:none;z-index:0}
.hero__orb{position:absolute;width:44vw;height:44vw;max-width:560px;max-height:560px;bottom:-20%;left:-10%;border-radius:50%;background:radial-gradient(circle,var(--color-accent-2-glow),transparent 62%);filter:blur(60px);animation:orb-b 34s ease-in-out infinite alternate;pointer-events:none;z-index:0}
.hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.hero__title{font-family:var(--font-body);font-weight:600;font-size:var(--text-2xl);letter-spacing:-.03em;line-height:1.08;margin:.4rem 0 1.2rem}
.hero__title-line{display:inline-block}
.hero__title .accent{background:linear-gradient(100deg,var(--color-primary),var(--color-accent-2),var(--color-primary));background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:sheen 6s linear infinite}
[data-theme="dark"] .hero__title .accent{filter:drop-shadow(0 0 24px var(--color-primary-glow))}
.hero__lede{color:var(--color-text-muted);font-size:var(--text-lg);max-width:56ch;line-height:1.55}
.hero__lede strong{color:var(--color-text);font-weight:600}
.hero__lede em{color:var(--color-primary);font-style:normal;font-family:var(--font-mono);font-size:.92em}
.hero__ctas{display:flex;gap:.8rem;flex-wrap:wrap;margin:1.8rem 0 1.4rem}
.hero__receipt{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-text-muted);letter-spacing:.02em}
.hero__receipt .star{color:var(--color-primary)}

/* Hero entrance choreography (gated on .js-loaded so no-JS renders instantly) */
.js-loaded .hero .eyebrow--pill{animation:rise var(--dur-slow) var(--ease-out) .1s both}
.js-loaded .hero__title-line:not(.accent){animation:rise var(--dur-slow) var(--ease-out) .18s both}
.js-loaded .hero__title-line.accent{animation:rise var(--dur-slow) var(--ease-out) .26s both,sheen 6s linear infinite}
.js-loaded .hero__lede{animation:rise var(--dur-slow) var(--ease-out) .38s both}
.js-loaded .hero__ctas{animation:rise var(--dur-slow) var(--ease-out) .48s both}
.js-loaded .hero__receipt{animation:rise var(--dur-slow) var(--ease-out) .56s both}
.js-loaded .hero__net,.js-loaded .hero__orb{animation-name:orb-b;opacity:0;animation:fade-in 1.2s ease both}
.js-loaded .hero__orb{animation:fade-in 1.2s ease both,orb-b 34s ease-in-out infinite alternate}

/* -------- TERMINAL -------- */
.terminal{position:relative;border:1px solid var(--color-border-strong);border-radius:var(--radius);background:linear-gradient(180deg,var(--color-surface-2),var(--color-surface));box-shadow:var(--shadow-lg);overflow:hidden;transition:transform .4s var(--ease-out),box-shadow .4s var(--ease-out)}
.terminal:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg),0 0 32px var(--color-primary-glow)}
[data-theme="dark"] .terminal::after{content:"";position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(255,255,255,.015) 0 1px,transparent 1px 3px)}
.js-loaded .terminal{animation:rise .9s var(--ease-out) .5s both}
.terminal__bar{display:flex;align-items:center;gap:.45rem;padding:.7rem .9rem;background:color-mix(in oklab,var(--color-bg) 55%,var(--color-surface));border-bottom:1px solid var(--color-border)}
.terminal__dot{width:11px;height:11px;border-radius:50%;background:var(--color-border-strong);filter:saturate(.6);transition:filter .3s}
.terminal:hover .terminal__dot{filter:saturate(1)}
.terminal__dot:first-child{background:#ff5f57}.terminal__dot:nth-child(2){background:#febc2e}.terminal__dot:nth-child(3){background:#28c840}
.terminal__title{margin-left:.6rem;font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-text-faint)}
.terminal__body{padding:1.1rem 1.2rem;font-family:var(--font-mono);font-size:.82rem;line-height:1.75;overflow-x:auto}
.terminal__body .ln{display:block;white-space:pre;color:var(--color-text)}
.terminal__body .prompt{color:var(--color-primary);user-select:none}
.terminal__body .muted{color:var(--color-text-faint)}
.terminal__body .out{color:var(--color-text-muted)}
.terminal__body .dim{color:var(--color-primary-dim)}
.terminal__body .tok{color:var(--color-accent-2)}
.cursor{color:var(--color-primary);animation:blink 1.1s step-end infinite}

/* Terminal type-on replay — runs once, after the hero copy lands */
.js-loaded .terminal__body .ln{opacity:0;animation:term-line .3s var(--ease-out) forwards}
.js-loaded .terminal__body .ln:nth-child(1){animation-delay:1.2s}
.js-loaded .terminal__body .ln:nth-child(2){animation-delay:2.3s}
.js-loaded .terminal__body .ln:nth-child(3){animation-delay:2.7s}
.js-loaded .terminal__body .ln:nth-child(4){animation-delay:3.6s}
.js-loaded .terminal__body .ln:nth-child(5){animation-delay:3.8s}
.js-loaded .terminal__body .ln:nth-child(6){animation-delay:4.3s}
.js-loaded .terminal__body .ln:nth-child(7){animation-delay:5.2s}
.js-loaded .terminal__body .ln:nth-child(8){animation-delay:5.35s}
.js-loaded .terminal__body .ln:nth-child(9){animation-delay:5.8s}
.js-loaded .terminal__body .typed{display:inline-block;overflow:hidden;white-space:nowrap;vertical-align:bottom;width:0;animation:type .9s steps(30,end) forwards}
.js-loaded .terminal__body .ln:nth-child(1) .typed{animation-delay:1.25s}
.js-loaded .terminal__body .ln:nth-child(3) .typed{animation-delay:2.75s;animation-duration:.7s;animation-timing-function:steps(22,end)}
.js-loaded .terminal__body .ln:nth-child(6) .typed{animation-delay:4.35s;animation-duration:.7s;animation-timing-function:steps(22,end)}
.js-loaded .terminal__body .ln:nth-child(9) .typed{animation-delay:5.85s;animation-duration:.6s;animation-timing-function:steps(20,end)}
.js-loaded .cursor{opacity:0;animation:cursor-in .01s 6.5s forwards,blink 1.1s step-end 6.5s infinite}

/* -------- GLOW CARDS (pointer-tracked spotlight) -------- */
.glow-card{position:relative;overflow:hidden;transition:border-color .3s,transform .3s var(--ease-out),box-shadow .3s}
.glow-card::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .35s;background:radial-gradient(320px circle at var(--mx,50%) var(--my,50%),var(--color-primary-glow),transparent 65%)}
.glow-card:hover::after{opacity:1}
.glow-card:hover{border-color:color-mix(in oklab,var(--color-primary) 45%,var(--color-border));transform:translateY(-3px);box-shadow:0 12px 40px rgba(0,0,0,.35),0 0 24px var(--color-primary-glow)}
[data-theme="light"] .glow-card:hover{box-shadow:0 12px 40px rgba(19,36,32,.1),0 0 24px var(--color-primary-glow)}

/* -------- STEPS STRIP (What is graphi) -------- */
.steps-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;list-style:none;counter-reset:none}
.step-card{border:1px solid var(--color-border);border-radius:var(--radius);padding:1.5rem;background:var(--color-surface)}
.step-card__num{display:block;font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-primary);letter-spacing:.14em;margin-bottom:.7rem}
.step-card h3{font-family:var(--font-body);font-weight:600;font-size:var(--text-base);margin-bottom:.4rem}
.step-card p{color:var(--color-text-muted);font-size:var(--text-sm);line-height:1.55}
.step-card strong{color:var(--color-text);font-weight:600}

/* -------- AUDIENCE -------- */
.audience-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem}
.audience-card{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.8rem}
.audience-card__icon{width:48px;height:48px;display:grid;place-items:center;border-radius:10px;background:var(--color-primary-glow);color:var(--color-primary);margin-bottom:1.1rem}
.audience-card h3{font-family:var(--font-body);font-weight:600;font-size:var(--text-lg);margin-bottom:.5rem}
.audience-card p{color:var(--color-text-muted);font-size:var(--text-sm);margin-bottom:1.1rem}
.mini-term{background:#0b0f0e;border:1px solid var(--color-border);border-radius:8px;padding:.8rem 1rem;font-family:var(--font-mono);font-size:.8rem;line-height:1.7;overflow-x:auto}
[data-theme="light"] .mini-term{background:#0d1513}
.mini-term code{color:#d5e0dc}
.mini-term .prompt{color:#3ee6b0}
.mini-term .tok{color:#59d0ff}
.mini-term .muted{color:#54655f}

/* -------- SHOWCASE -------- */
.showcase{max-width:1080px;margin:0 auto;padding-inline:clamp(1.1rem,4vw,2.5rem)}
.showcase__frame{background:linear-gradient(180deg,var(--color-primary-glow),transparent);padding:1px;border-radius:14px;filter:drop-shadow(0 30px 80px var(--color-primary-glow))}
.showcase__frame img{border:1px solid var(--color-border-strong);border-radius:13px;box-shadow:var(--shadow-lg)}
.showcase.reveal{transform:perspective(1200px) rotateX(6deg) translateY(40px)}
.showcase.reveal.is-in{transform:none}
.fine-print--center{text-align:center;margin-top:1.4rem}

/* -------- FEATURES (bento) -------- */
.feature-groups{display:grid;grid-template-columns:repeat(6,1fr);gap:1.25rem;align-items:stretch;max-width:1240px;margin-inline:auto}
.fgroup{grid-column:span 2;background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.4rem 1.3rem}
.fgroup--wide{grid-column:span 3;padding:1.8rem 1.7rem}
.fgroup::before{content:"";position:absolute;top:0;left:1.3rem;width:26px;height:2px;background:var(--color-primary);opacity:.6;transition:width .45s var(--ease-out),opacity .3s;z-index:1}
.fgroup:hover::before{width:calc(100% - 2.6rem);opacity:1}
.fgroup__idx{position:absolute;top:1.1rem;right:1.2rem;font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-text-faint);border:1px solid var(--color-border);border-radius:6px;padding:.15rem .45rem}
.fgroup__title{font-family:var(--font-body);font-weight:600;font-size:1.02rem;margin:.7rem 0 .3rem}
.fgroup--wide .fgroup__title{font-size:var(--text-base)}
/* SCOPE-01 stability tiers — see docs/stability-tiers.md (canonical). */
.fgroup__tier{font-family:var(--font-mono);font-size:var(--text-xs);font-weight:500;color:var(--color-text-muted);border:1px solid var(--color-border);border-radius:5px;padding:.1rem .38rem;margin-left:.4rem;vertical-align:middle;white-space:nowrap}
.tier-tag{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-text-muted);border:1px solid var(--color-border);border-radius:5px;padding:0 .3rem;margin-left:.3rem;white-space:nowrap}
.fgroup__lede{color:var(--color-text-muted);font-size:var(--text-xs);line-height:1.5;margin-bottom:.9rem}
.fgroup__list{display:flex;flex-direction:column;gap:.45rem}
.fgroup__list li{font-size:var(--text-sm);color:var(--color-text-muted);line-height:1.4;padding-left:.85rem;position:relative}
.fgroup__list li::before{content:"";position:absolute;left:0;top:.55em;width:4px;height:4px;border-radius:50%;background:var(--color-primary);opacity:.7;transition:opacity .3s}
.fgroup:hover .fgroup__list li::before{opacity:1}
.fgroup code,.prose code,.fine-print code,.install-foot code,.step-card code{font-family:var(--font-mono);font-size:.82em;color:var(--color-primary);background:var(--color-primary-glow);padding:.08em .32em;border-radius:5px}
.fine-print{margin-top:1.8rem;font-size:var(--text-sm);color:var(--color-text-muted)}
.fine-print a{color:var(--color-primary);text-decoration:none;border-bottom:1px solid transparent}
.fine-print a:hover{border-bottom-color:currentColor}

/* -------- LANGUAGES (marquee) -------- */
.marquee{overflow:hidden;margin-top:1rem;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee + .marquee{margin-top:.8rem}
.marquee__track{display:flex;width:max-content;animation:marquee-scroll 42s linear infinite;padding-block:.4rem}
.marquee[data-dir="rtl"] .marquee__track{animation-direction:reverse;animation-duration:48s}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee .lang{margin-right:.6rem}
.lang{font-family:var(--font-mono);font-size:var(--text-sm);padding:.45rem .85rem;border:1px solid var(--color-border);border-radius:7px;color:var(--color-text-muted);background:var(--color-surface);white-space:nowrap;transition:transform .2s var(--ease-spring),border-color .2s,color .2s,box-shadow .2s}
.lang:hover{transform:translateY(-2px);border-color:var(--color-primary-dim);color:var(--color-text);box-shadow:0 4px 14px var(--color-primary-glow)}
.lang--star{color:var(--color-primary);border-color:var(--color-primary-dim);font-weight:500;box-shadow:0 0 12px var(--color-primary-glow)}
.lang--star::before{content:"★ ";font-size:.8em}
@media (prefers-reduced-motion:reduce){
  .marquee{mask-image:none;-webkit-mask-image:none}
  .marquee__track{animation:none;flex-wrap:wrap;width:auto;gap:.6rem}
  .marquee .lang{margin-right:0}
  .marquee [aria-hidden="true"]{display:none}
}

/* -------- CONTRACT -------- */
.contract-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.contract{border:1px solid var(--color-border);border-radius:var(--radius);padding:1.4rem;background:var(--color-surface-2)}
.contract__k{display:block;font-family:var(--font-mono);font-size:var(--text-sm);color:var(--color-primary);margin-bottom:.5rem;font-weight:500}
.contract p{color:var(--color-text-muted);font-size:var(--text-sm);line-height:1.55}

/* -------- INSTALL -------- */
.install-panel{position:relative;max-width:880px;margin-inline:auto;border:1px solid var(--color-border-strong);border-radius:16px;padding:clamp(1.5rem,4vw,2.5rem);background:var(--color-surface)}
.install-panel::before{content:"";position:absolute;top:-1px;left:50%;translate:-50% 0;width:min(400px,70%);height:1px;background:linear-gradient(90deg,transparent,var(--color-primary),transparent);opacity:.6}
.os-tabs{display:none;gap:.4rem;justify-content:center;margin-bottom:2rem}
.js-loaded .os-tabs{display:flex}
.os-tab{font-family:var(--font-mono);font-size:var(--text-sm);padding:.55rem 1.1rem;border:1px solid var(--color-border);border-radius:8px;color:var(--color-text-muted)}
.os-tab:hover{border-color:var(--color-border-strong);color:var(--color-text)}
.os-tab.is-active{color:var(--color-primary);border-color:var(--color-primary-dim);background:var(--color-primary-glow)}
.install-steps{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:1.4rem}
.install-step{display:flex;gap:1.1rem;align-items:flex-start}
.step-badge{flex:none;width:34px;height:34px;display:grid;place-items:center;border-radius:9px;font-family:var(--font-mono);font-weight:700;color:var(--color-primary);border:1px solid var(--color-primary-dim);background:var(--color-primary-glow)}
.install-step__body{flex:1;min-width:0;display:flex;flex-direction:column;gap:.6rem}
.step-label{font-size:var(--text-sm);color:var(--color-text-muted)}
.os-inline-label{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-text-faint);white-space:nowrap}
.js-loaded .os-inline-label{display:none}
.code-copy{display:flex;align-items:center;gap:.8rem;background:var(--color-bg);border:1px solid var(--color-border-strong);border-radius:9px;padding:.7rem .8rem .7rem 1rem;overflow:hidden;transition:border-color .25s}
.code-copy:hover{border-color:color-mix(in oklab,var(--color-primary-dim) 40%,var(--color-border-strong))}
.code-copy.is-flashing{animation:copy-flash .6s ease-out}
.code-copy code{flex:1;min-width:0;font-family:var(--font-mono);font-size:.82rem;color:var(--color-text);overflow-x:auto;white-space:nowrap;padding-bottom:2px}
.code-copy .copy-btn{flex:none;font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-primary);border:1px solid var(--color-primary-dim);border-radius:6px;padding:.35rem .7rem;transition-duration:.15s}
.code-copy .copy-btn:hover{background:var(--color-primary);color:#04120d}
[data-theme="light"] .code-copy .copy-btn:hover{color:#f4fffb}
.code-copy .copy-btn:active{scale:.95}
.is-hidden{display:none!important}
.install-foot{text-align:center;margin-top:1.8rem;font-size:var(--text-sm);color:var(--color-text-muted)}

/* -------- BENCHMARKS / PROOF -------- */
.proof-hero{position:relative;display:grid;grid-template-columns:auto 1fr;gap:clamp(1.4rem,4vw,3rem);align-items:center;border:1px solid var(--color-border-strong);border-radius:16px;padding:clamp(1.6rem,4vw,2.8rem);background:linear-gradient(180deg,var(--color-surface-2),var(--color-surface))}
.proof-hero::before{content:"";position:absolute;top:-1px;left:50%;translate:-50% 0;width:min(440px,70%);height:1px;background:linear-gradient(90deg,transparent,var(--color-primary),transparent);opacity:.7}
.proof-hero__figure{text-align:center;flex:none}
.proof-hero__num{font-family:var(--font-mono);font-weight:700;font-size:clamp(3.4rem,10vw,6rem);line-height:.95;letter-spacing:-.04em;background:linear-gradient(120deg,var(--color-primary),var(--color-accent-2),var(--color-primary));background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:sheen 7s linear infinite}
[data-theme="dark"] .proof-hero__num{filter:drop-shadow(0 0 26px var(--color-primary-glow))}
.proof-hero__cap{display:block;font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.14em;text-transform:uppercase;color:var(--color-text-faint);margin-top:.5rem}
.proof-hero__body h3{font-family:var(--font-body);font-weight:600;font-size:var(--text-lg);letter-spacing:-.01em;margin-bottom:.5rem}
.proof-hero__body p{color:var(--color-text-muted);font-size:var(--text-base);line-height:1.55;max-width:52ch}
.proof-hero__body strong{color:var(--color-text);font-weight:600}
.proof-hero__meta{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}
.chip{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-text-muted);border:1px solid var(--color-border);border-radius:999px;padding:.3rem .75rem;background:color-mix(in oklab,var(--color-surface) 70%,transparent)}
.chip--ok{color:var(--color-primary);border-color:var(--color-primary-dim);box-shadow:inset 0 0 14px var(--color-primary-glow)}

.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin-top:1.4rem}
.stat{position:relative;border:1px solid var(--color-border);border-radius:var(--radius);padding:1.4rem 1.3rem;background:var(--color-surface-2)}
.stat--primary{border-color:var(--color-primary-dim);background:linear-gradient(180deg,var(--color-primary-glow),var(--color-surface-2))}
.stat__v{font-family:var(--font-mono);font-weight:700;font-size:var(--text-xl);letter-spacing:-.02em;color:var(--color-primary)}
.stat__v small{font-size:.5em;font-weight:500;color:var(--color-text-faint);letter-spacing:0}
.stat__k{display:block;margin-top:.5rem;font-size:var(--text-sm);color:var(--color-text);line-height:1.4}
.stat__sub{display:block;margin-top:.35rem;font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-text-faint)}
.stat__tag{position:absolute;top:1rem;right:1.1rem;font-family:var(--font-mono);font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:var(--color-primary);border:1px solid var(--color-primary-dim);border-radius:5px;padding:.14rem .4rem}
.chain-note{text-align:center;margin-top:1.6rem;font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.02em;color:var(--color-text-faint)}
.chain-note b{color:var(--color-primary);font-weight:500}

.proof-cols{display:grid;grid-template-columns:1.05fr .95fr;gap:1.4rem;margin-top:1.4rem;align-items:start}
.proof-card{border:1px solid var(--color-border);border-radius:var(--radius);padding:1.6rem 1.5rem;background:var(--color-surface-2)}
.proof-card__head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin-bottom:1.1rem}
.proof-card__head h3{font-family:var(--font-body);font-weight:600;font-size:var(--text-base)}
.proof-card__tag{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-primary);border:1px solid var(--color-primary-dim);border-radius:6px;padding:.2rem .5rem;white-space:nowrap}

.gate-wrap{overflow-x:auto}
.gate{width:100%;border-collapse:collapse;font-size:var(--text-sm);min-width:340px}
.gate th{text-align:left;font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.06em;text-transform:uppercase;color:var(--color-text-faint);font-weight:500;padding:0 .7rem .6rem;border-bottom:1px solid var(--color-border)}
.gate th.num,.gate td.num{text-align:right}
.gate td{padding:.62rem .7rem;border-bottom:1px solid var(--color-border);color:var(--color-text-muted)}
.gate tr:last-child td{border-bottom:0}
.gate td.metric{font-family:var(--font-mono);font-size:.82rem;color:var(--color-text)}
.gate td.num{font-family:var(--font-mono);color:var(--color-text)}
.gate td.num.measured{color:var(--color-primary)}
.pass-pill{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-primary);border:1px solid var(--color-primary-dim);border-radius:999px;padding:.12rem .55rem;background:var(--color-primary-glow)}

.bars__foot{margin-top:1rem;font-size:var(--text-xs);color:var(--color-text-faint);line-height:1.5}

.repro{margin-top:1.4rem;display:grid;grid-template-columns:1.1fr .9fr;gap:1.4rem;align-items:center}
.repro__body h3{font-family:var(--font-body);font-weight:600;font-size:var(--text-base);margin-bottom:.5rem}
.repro__body p{color:var(--color-text-muted);font-size:var(--text-sm);line-height:1.55;margin-bottom:1rem}
.artifact-list{display:flex;flex-wrap:wrap;gap:.5rem}
.artifact{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-text-muted);border:1px solid var(--color-border);border-radius:6px;padding:.3rem .6rem;background:var(--color-surface)}
.artifact::before{content:"{ }";color:var(--color-primary);margin-right:.45rem;opacity:.75}

/* -------- FINAL CTA -------- */
.section--cta{padding-block:clamp(3rem,6vw,5rem)}
.cta-band{text-align:center;max-width:760px}
.cta-band h2{margin-bottom:1.6rem;text-wrap:balance}
.cta-band__actions{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap}

/* -------- FOOTER -------- */
.footer{border-top:1px solid var(--color-border);padding-block:2.6rem 2rem;background:var(--color-surface)}
.footer__inner{display:flex;align-items:center;gap:1.2rem;flex-wrap:wrap}
.footer__brand{display:flex;align-items:center;gap:.5rem;font-family:var(--font-mono);font-weight:700}
.footer__tag{color:var(--color-text-muted);font-size:var(--text-sm)}
.footer__links{margin-left:auto;display:flex;gap:1.3rem;font-family:var(--font-mono);font-size:var(--text-sm)}
.footer__links a{color:var(--color-text-muted);text-decoration:none}
.footer__links a:hover{color:var(--color-primary)}
.footer__note{margin-top:1.6rem;font-size:var(--text-xs);color:var(--color-text-faint)}
.footer__note a{color:var(--color-text-muted)}

/* -------- SCROLL REVEAL (staggered) -------- */
.reveal{opacity:0;transform:translateY(28px);filter:blur(5px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out),filter .7s var(--ease-out);transition-delay:calc(min(var(--i,0),7)*70ms)}
.reveal.is-in{opacity:1;transform:none;filter:none}

/* -------- RESPONSIVE -------- */
@media (max-width:1080px){
  .feature-groups{grid-template-columns:1fr 1fr}
  .fgroup,.fgroup--wide{grid-column:span 1;padding:1.4rem 1.3rem}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:920px){
  .hero__inner{grid-template-columns:1fr}
  .contract-grid,.steps-strip{grid-template-columns:1fr 1fr}
  .proof-hero{grid-template-columns:1fr;text-align:center}
  .proof-hero__body p{margin-inline:auto}
  .proof-hero__meta{justify-content:center}
  .proof-cols,.repro{grid-template-columns:1fr}
  .header__inner{flex-wrap:wrap;height:auto;min-height:64px;padding-block:.6rem;row-gap:.4rem}
  .header.is-scrolled .header__inner{height:auto}
  .nav{order:3;width:100%;margin-left:0;overflow-x:auto;gap:1.1rem;padding-bottom:.2rem;-webkit-overflow-scrolling:touch}
  .header__actions{margin-left:auto}
}
@media (max-width:600px){
  .feature-groups,.contract-grid,.audience-grid,.steps-strip,.stat-grid{grid-template-columns:1fr}
  .footer__links{margin-left:0;width:100%}
  .hero__title{font-size:clamp(1.9rem,7vw,2.4rem)}
}