/* ==========================================================================
   Shviro Lab - design system

   Tokens below are lifted from the existing Shviro site so the rebuild reads
   as the same brand: near-black blue-tinted ground, Sora display / Inter text,
   blue-500 accent with a cyan secondary, hairline slate borders and very low
   opacity white card fills.
   ========================================================================== */

/* ------------------------------------------------------------- fonts ---- */
@font-face{font-family:Sora;src:url(/assets/fonts/sora-600.woff2) format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:Sora;src:url(/assets/fonts/sora-700.woff2) format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:Sora;src:url(/assets/fonts/sora-800.woff2) format("woff2");font-weight:800;font-style:normal;font-display:swap}
@font-face{font-family:Inter;src:url(/assets/fonts/inter-400.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:Inter;src:url(/assets/fonts/inter-500.woff2) format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:Inter;src:url(/assets/fonts/inter-600.woff2) format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:Inter;src:url(/assets/fonts/inter-700.woff2) format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:Inter;src:url(/assets/fonts/inter-800.woff2) format("woff2");font-weight:800;font-style:normal;font-display:swap}

/* ------------------------------------------------------------ tokens ---- */
:root{
  --bg:#01040c;
  --bg-2:#050a16;
  --panel:rgba(255,255,255,.028);
  --panel-2:rgba(255,255,255,.05);
  --panel-3:rgba(255,255,255,.07);
  --line:rgba(148,163,184,.14);
  --line-2:rgba(148,163,184,.22);
  --line-blue:rgba(96,165,250,.26);
  --line-blue-2:rgba(96,165,250,.48);

  --blue:#3b82f6;          /* accent: borders, icons, glows */
  --blue-fill:#2563eb;     /* solid fills carrying white text (AA 5.2:1) */
  --blue-fill-hi:#2870e6;  /* its hover (AA 4.6:1) */
  --blue-400:#60a5fa;
  --blue-300:#93c5fd;
  --blue-800:#1e40af;
  --cyan:#22d3ee;

  --text:#f5f9ff;
  --muted:#a8b9d3;
  --dim:#7d8ba4;
  --faint:#6b7a92;

  --r-lg:20px; --r:16px; --r-sm:10px; --r-pill:999px;
  --container:1160px;
  --sec-y:clamp(72px,9.5vw,136px);
  --gap:clamp(16px,1.6vw,24px);

  --font-display:Sora,"Sora Placeholder",system-ui,sans-serif;
  --font-text:Inter,"Inter Placeholder",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --shadow:0 24px 60px -30px rgba(0,0,0,.85);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ------------------------------------------------------------- reset ---- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:104px}
body{
  margin:0;background:var(--bg);color:var(--text);
  font:400 16px/1.65 var(--font-text);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--font-display);font-weight:800;letter-spacing:-.025em;line-height:1.06}
p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
dl,dd{margin:0}
:focus-visible{outline:2px solid var(--blue-400);outline-offset:3px;border-radius:4px}
::selection{background:rgba(59,130,246,.34);color:#fff}

.skip{position:absolute;left:-9999px;top:12px;z-index:200;padding:10px 16px;border-radius:var(--r-sm);
  background:var(--blue-fill);color:#fff;font-weight:600}
.skip:focus{left:16px}

.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:24px}
.section{padding-block:var(--sec-y);position:relative}
.section.tight{padding-block:clamp(52px,6vw,84px)}
.icon{width:20px;height:20px;flex:none}

/* --------------------------------------------------------------- nav ---- */
.nav{position:sticky;top:0;z-index:100;padding:14px 0;transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s}
.nav::after{content:"";position:absolute;inset:0;border-bottom:1px solid transparent;pointer-events:none;transition:border-color .3s}
.nav.stuck{background:rgba(1,4,12,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.nav.stuck::after{border-bottom-color:var(--line)}
.nav-inner{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:24px;
  display:flex;align-items:center;gap:20px}

.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand img{width:34px;height:auto}
.brand-word{font-family:var(--font-display);font-weight:800;font-size:19px;letter-spacing:.01em}
.brand-thin{font-weight:600;color:var(--blue-300);margin-left:.35em;letter-spacing:.12em;font-size:.78em;
  text-transform:uppercase;position:relative;top:-1px}

.nav-links{margin-inline:auto}
.nav-links ul{display:flex;gap:4px;padding:5px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--panel)}
.nav-links a{display:block;padding:8px 15px;border-radius:var(--r-pill);font-size:14px;font-weight:500;
  color:var(--muted);transition:color .2s,background .2s}
.nav-links a:hover{color:var(--text);background:var(--panel-2)}
.nav-links a[aria-current]{color:var(--text);background:var(--panel-3)}

.nav-end{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{display:none;width:42px;height:42px;place-items:center;border:1px solid var(--line);
  border-radius:var(--r-sm);color:var(--text)}
.nav-toggle .icon:last-child,.nav-toggle[aria-expanded=true] .icon:first-child{display:none}
.nav-toggle[aria-expanded=true] .icon:last-child{display:block}

.nav-menu{display:none;margin:12px 24px 0;padding:14px;border:1px solid var(--line);border-radius:var(--r);
  background:rgba(5,10,22,.97);backdrop-filter:blur(14px)}
.nav-menu ul{display:grid;gap:2px;margin-bottom:12px}
.nav-menu a{display:block;padding:12px 14px;border-radius:var(--r-sm);font-weight:500;color:var(--muted)}
.nav-menu a:hover,.nav-menu a[aria-current]{color:var(--text);background:var(--panel-2)}

/* ------------------------------------------------------------ buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  background:var(--blue-fill);color:#fff;border:1px solid transparent;
  transition:transform .18s var(--ease),box-shadow .25s,background .2s;
  box-shadow:0 8px 26px -12px rgba(59,130,246,.9)}
.btn:hover{background:var(--blue-fill-hi);transform:translateY(-1px);box-shadow:0 14px 34px -12px rgba(59,130,246,.95)}
.btn:active{transform:translateY(0)}
.btn-arrow{display:inline-flex;transition:transform .22s var(--ease)}
.btn-arrow .icon{width:17px;height:17px}
.btn:hover .btn-arrow{transform:translateX(3px)}
.btn-ghost{background:var(--panel-2);color:var(--text);border-color:var(--line-2);box-shadow:none}
.btn-ghost:hover{background:var(--panel-3);border-color:var(--line-blue)}
.btn-line{background:transparent;border-color:var(--line-blue);color:var(--blue-300);box-shadow:none}
.btn-line:hover{background:rgba(59,130,246,.1);border-color:var(--line-blue-2)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{display:flex;width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* --------------------------------------------------------- typography ---- */
.eyebrow{display:inline-flex;align-items:center;gap:9px;margin-bottom:18px;
  font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--blue-300)}
.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--blue-400);
  box-shadow:0 0 0 4px rgba(96,165,250,.16)}
.sec-head{max-width:760px;margin-bottom:clamp(36px,4.4vw,60px)}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head.center .eyebrow{justify-content:center}
.sec-head h2{font-size:clamp(29px,3.7vw,46px)}
.lede{margin-top:18px;font-size:clamp(16px,1.25vw,18px);line-height:1.68;color:var(--muted)}

/* -------------------------------------------------------------- hero ---- */
.hero{position:relative;padding-top:clamp(56px,7vw,96px);padding-bottom:clamp(48px,6vw,84px);overflow:hidden}
.hero-glow{position:absolute;top:-380px;left:50%;translate:-50% 0;width:min(1200px,140vw);height:900px;
  pointer-events:none;z-index:0;
  background:radial-gradient(50% 50% at 50% 50%,rgba(59,130,246,.22) 0%,rgba(8,18,42,.5) 42%,rgba(2,6,18,0) 72%)}
.hero-grid-bg{position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(72% 58% at 50% 26%,#000 0%,transparent 78%);
  mask-image:radial-gradient(72% 58% at 50% 26%,#000 0%,transparent 78%)}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:clamp(28px,4vw,64px);align-items:center}
.hero h1{font-size:clamp(34px,4.9vw,62px);line-height:1.0;letter-spacing:-.035em;text-wrap:balance}
.hero h1 .hl{
  background:linear-gradient(96deg,var(--blue-300) 0%,var(--blue-400) 42%,var(--cyan) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lede{margin-top:24px;max-width:52ch;font-size:clamp(16px,1.3vw,18.5px);line-height:1.68;color:var(--muted)}
.hero-caps{display:flex;flex-wrap:wrap;align-items:center;gap:7px 0;margin-top:26px;
  font-size:13px;font-weight:500;color:var(--dim)}
/* Separator trails each item rather than preceding it, so a wrapped line never
   begins with an orphaned dot. */
.hero-caps li{display:flex;align-items:center}
.hero-caps li:not(:last-child)::after{content:"";width:4px;height:4px;margin:0 11px;border-radius:50%;
  background:var(--blue-400);opacity:.6}
.hero .btn-row{margin-top:34px}

/* hero panel: ECU trust-boundary schematic */
.hero-panel{position:relative;border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(15,23,42,.86) 0%,rgba(30,64,175,.18) 100%);
  padding:22px;box-shadow:var(--shadow);overflow:hidden}
.hero-panel::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 46% at 62% 30%,rgba(59,130,246,.2) 0%,transparent 72%)}
.hp-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;position:relative}
.hp-title{font-size:12px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--blue-300)}
.hp-live{display:inline-flex;align-items:center;gap:7px;font-size:11px;font-weight:700;
  letter-spacing:.13em;text-transform:uppercase;color:var(--cyan)}
.hp-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 3px rgba(34,211,238,.18)}
.hp-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;
  padding-top:14px;border-top:1px solid var(--line);position:relative;
  font-size:12.5px;color:var(--dim)}
.hp-foot b{color:var(--muted);font-weight:600}

/* Inner-page header: same rhythm as the hero but without its lower gap, so the
   capability strip sits close under the title. */
.hero-lite{padding-top:clamp(44px,5.5vw,80px);padding-bottom:clamp(32px,3.6vw,52px)}
.hero-lite .sec-head{margin-bottom:0;max-width:820px}
.hero-lite .sec-head.center{max-width:760px}
/* The founder follows the centred header directly, so it needs its own top
   breathing room rather than inheriting the header's tight bottom. */
.hero-lite + #founder{padding-top:clamp(44px,5vw,72px)}
#founder + .strip{margin-top:clamp(8px,1.5vw,20px)}
.hero-lite h1{font-size:clamp(31px,4.3vw,52px);line-height:1.06}

/* ------------------------------------------------- capability strip ---- */
.strip{border-block:1px solid var(--line);background:linear-gradient(180deg,rgba(59,130,246,.05),rgba(255,255,255,.012))}
.strip ul{display:grid;grid-template-columns:repeat(6,1fr)}
.strip li{display:flex;align-items:center;justify-content:center;gap:10px;
  padding:20px 14px;font-size:13.5px;font-weight:600;color:var(--muted);text-align:center;
  border-left:1px solid var(--line);transition:color .2s,background .2s}
.strip li:first-child{border-left:0}
.strip li:hover{color:var(--text);background:rgba(59,130,246,.06)}
.strip .icon{width:18px;height:18px;color:var(--blue-400)}

/* -------------------------------------------------------------- cards ---- */
.card{position:relative;padding:26px;border:1px solid var(--line);border-radius:var(--r);
  background:var(--panel);transition:border-color .25s,background .25s,transform .25s var(--ease)}
.card:hover{border-color:var(--line-blue);background:var(--panel-2);transform:translateY(-3px)}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px;line-height:1.66}
.card-icon{display:inline-grid;place-items:center;width:44px;height:44px;margin-bottom:18px;
  border:1px solid var(--line-blue);border-radius:12px;color:var(--blue-400);
  background:linear-gradient(160deg,rgba(59,130,246,.16),rgba(255,255,255,.02))}
.card-icon.sm{width:36px;height:36px;margin-bottom:0;border-radius:10px}
.card-icon .icon{width:21px;height:21px}

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

.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:18px}
.chips li{padding:6px 11px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:rgba(255,255,255,.03);font-size:12.5px;font-weight:500;color:var(--dim);
  transition:border-color .2s,color .2s}
.card:hover .chips li{border-color:var(--line-2);color:var(--muted)}
.cs-card .chips{margin-bottom:18px}

/* ------------------------------------------------------------- intro ---- */
.intro-grid{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:clamp(28px,4.5vw,72px);align-items:start}
.intro-copy p{color:var(--muted);font-size:clamp(15.5px,1.2vw,17px);line-height:1.72}
.intro-copy p+p{margin-top:18px}
.intro-rule{height:1px;margin:22px 0;
  background:linear-gradient(90deg,rgba(59,130,246,0),rgba(96,165,250,.8) 50%,rgba(59,130,246,0))}

/* ------------------------------------------------- trust stack diagram ---- */
.trust-stack{display:grid;gap:0}
.ts-row{display:grid;justify-items:stretch}
.ts-box{position:relative;display:grid;grid-template-columns:auto 1fr;column-gap:14px;row-gap:2px;
  align-items:center;padding:16px 20px;border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(135deg,rgba(15,23,42,.8) 0%,rgba(30,64,175,.14) 100%);
  transition:border-color .25s,background .25s}
.ts-row:hover .ts-box{border-color:var(--line-blue-2);background:linear-gradient(135deg,rgba(15,23,42,.9) 0%,rgba(30,64,175,.28) 100%)}
.ts-idx{grid-row:span 2;display:grid;place-items:center;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line-blue);color:var(--blue-300);
  font:700 12px/1 var(--font-mono);letter-spacing:.04em;background:rgba(59,130,246,.1)}
.ts-name{font-family:var(--font-display);font-weight:700;font-size:16px;letter-spacing:-.01em}
.ts-sub{font-size:13px;color:var(--dim);font-family:var(--font-mono);letter-spacing:.01em}
.ts-arrow{display:grid;place-items:center;height:26px;color:var(--blue-400);opacity:.5}
.ts-arrow .icon{width:16px;height:16px}
.trust-stack.compact .ts-box{padding:13px 16px}
.trust-stack.compact .ts-idx{width:34px;height:34px;font-size:11px}

.dom-card header{display:flex;align-items:center;gap:13px;margin-bottom:4px}
.dom-card header h3{margin:0;font-size:17px}
.dom-card .chips{margin-top:14px}

/* Sticky column for the trust stack: it stays alongside the domain cards
   instead of leaving a tall empty gap once the stack runs out. */
.stack-col{position:sticky;top:104px}
.stack-cap{margin-top:18px;font-size:13.5px;line-height:1.6;color:var(--faint);max-width:40ch}

/* Five cards in a three-up grid: flex so the trailing row centres rather than
   hanging left with an empty cell. */
.cards-flex{display:flex;flex-wrap:wrap;gap:var(--gap);justify-content:center}
.cards-flex>*{flex:1 1 280px;max-width:calc((100% - 2*var(--gap))/3)}

/* ------------------------------------------------------- founder bio ---- */
.bio-grid{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1fr);
  gap:clamp(28px,4.5vw,72px);align-items:start}
.bio-portrait{position:sticky;top:104px;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;background:linear-gradient(168deg,rgba(30,64,175,.24) 0%,rgba(15,23,42,.7) 48%,rgba(1,4,12,.96) 100%)}
.bio-glow{position:absolute;inset:auto -20% -30% -20%;height:70%;pointer-events:none;
  background:radial-gradient(50% 50% at 50% 50%,rgba(59,130,246,.34) 0%,rgba(59,130,246,0) 70%)}
.bio-portrait img{position:relative;width:100%;height:auto;display:block}
/* The cut-out has a dark shirt; fade its lower edge into the panel so it reads
   as a deliberate vignette rather than a crop. */
.bio-portrait::after{content:"";position:absolute;left:0;right:0;bottom:0;height:26%;
  pointer-events:none;background:linear-gradient(180deg,rgba(1,4,12,0) 0%,rgba(1,4,12,.92) 82%,#01040c 100%)}

.bio-copy h2{font-size:clamp(28px,3.3vw,42px);margin-bottom:14px}
.bio-roles{display:flex;flex-wrap:wrap;align-items:center;gap:6px 0;margin-bottom:26px;
  font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--blue-300)}
.bio-roles li{display:flex;align-items:center}
.bio-roles li:not(:last-child)::after{content:"";width:4px;height:4px;margin:0 11px;
  border-radius:50%;background:var(--blue-400);opacity:.55}
.bio-text p{color:var(--muted);font-size:clamp(15.5px,1.15vw,16.5px);line-height:1.74}
.bio-text p+p{margin-top:16px}
.bio-text p:first-child{color:var(--text);font-size:clamp(16.5px,1.3vw,18.5px);
  line-height:1.62;font-weight:500}
.bio-exp-title{margin-top:32px;margin-bottom:0;font-family:var(--font-text);font-size:11px;
  font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--faint)}
.bio-chips{margin-top:14px}
.bio-chips li{padding:7px 13px;font-size:13px;color:var(--muted);border-color:var(--line-2)}

/* ---------------------------------------------------------- lab tiles ---- */
.lab-tile{margin:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  background:var(--panel);transition:border-color .25s,transform .25s var(--ease)}
.lab-tile:hover{border-color:var(--line-blue);transform:translateY(-3px)}
.lab-media{aspect-ratio:4/3;display:grid;place-items:center;overflow:hidden;
  background:linear-gradient(150deg,rgba(15,23,42,.72),rgba(2,6,18,.4))}
.lab-media img{width:100%;height:100%;object-fit:cover}
/* SVG figures scale with preserveAspectRatio; object-fit would crop the
   outer strokes of the drawing. */
.lab-media .fig{width:100%;height:auto;padding:10px}
.lab-tile figcaption{display:grid;gap:3px;padding:14px 16px 16px;border-top:1px solid var(--line)}
.lt-name{font-family:var(--font-display);font-weight:700;font-size:14.5px}
.lt-note{font-size:12.5px;color:var(--dim)}

/* -------------------------------------------------------- case study ---- */
.cs-card{display:flex;flex-direction:column}
.cs-head{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.cs-head h3{margin:0;font-size:18px}
.cs-meta{display:grid;gap:10px;padding:14px 16px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:rgba(255,255,255,.022)}
.cs-meta>div{display:grid;grid-template-columns:66px 1fr;gap:12px;align-items:baseline}
.cs-meta dt{font-size:11px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;color:var(--faint)}
.cs-meta dd{font-size:13.5px;color:var(--muted);font-weight:500}
.cs-sub{margin:18px 0 0;font-size:11px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;
  color:var(--faint);font-family:var(--font-text)}
.cs-outcome{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  font-size:14px;line-height:1.6;color:var(--muted)}
.cs-outcome span{display:block;margin-bottom:5px;font-size:11px;font-weight:700;letter-spacing:.11em;
  text-transform:uppercase;color:var(--blue-300)}
.note{display:flex;gap:12px;padding:16px 18px;margin-bottom:32px;border:1px solid var(--line-blue);
  border-radius:var(--r-sm);background:rgba(59,130,246,.06);font-size:14px;line-height:1.62;color:var(--muted)}
.note strong{color:var(--blue-300);font-weight:700}

/* ------------------------------------------------------ article cards ---- */
.ac{padding:0}
.ac-live .ac-link{display:block;padding:26px;height:100%}
.ac-planned{padding:26px;opacity:.86}
.ac-planned:hover{transform:none;border-color:var(--line-2);background:var(--panel)}
.ac-cat{font-size:11px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--blue-300);
  margin-bottom:14px}
.ac-title{font-size:20px;line-height:1.22;margin-bottom:12px}
.ac-sub{display:block;margin-top:6px;font-family:var(--font-text);font-size:14px;font-weight:500;
  color:var(--dim);letter-spacing:0}
.ac-sum{color:var(--muted);font-size:14.5px;line-height:1.65}
.ac-more{display:inline-flex;align-items:center;gap:8px;margin-top:20px;font-size:14px;font-weight:600;
  color:var(--blue-300)}
.ac-more .icon{width:16px;height:16px;transition:transform .22s var(--ease)}
.ac-live:hover .ac-more .icon{transform:translateX(3px)}
.ac-badge{display:inline-block;margin-bottom:14px;padding:5px 11px;border:1px solid var(--line-2);
  border-radius:var(--r-pill);font-size:10.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--faint)}
.ac-feature{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);
  gap:clamp(24px,3vw,44px);align-items:center;padding:clamp(26px,3vw,40px);
  border:1px solid var(--line-blue);border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(59,130,246,.14) 0%,rgba(2,6,23,.5) 55%,rgba(34,211,238,.07) 100%)}
.ac-feature h3{font-size:clamp(24px,2.7vw,34px);line-height:1.1;margin-bottom:14px}
.ac-feature .ac-sub{font-size:16px;margin-top:8px}
.ac-feature p{color:var(--muted);font-size:15.5px;line-height:1.68}

/* -------------------------------------------------------------- CTA ---- */
.cta-box{position:relative;overflow:hidden;padding:clamp(38px,5.5vw,72px) clamp(24px,4vw,56px);
  border:1px solid var(--line-blue);border-radius:clamp(18px,2.4vw,28px);text-align:center;
  background:linear-gradient(135deg,rgba(59,130,246,.16) 0%,rgba(2,6,23,.62) 55%,rgba(34,211,238,.09) 100%)}
.cta-glow{position:absolute;top:-160px;left:50%;translate:-50% 0;width:760px;height:420px;pointer-events:none;
  background:radial-gradient(50% 50% at 50% 50%,rgba(59,130,246,.4) 0%,rgba(59,130,246,.08) 45%,transparent 72%)}
.cta-box h2{position:relative;font-size:clamp(28px,3.9vw,46px)}
.cta-box p{position:relative;margin-top:16px;color:var(--muted);font-size:clamp(15.5px,1.2vw,17.5px)}
.cta-box .btn-row{position:relative;justify-content:center;margin-top:30px}

/* ------------------------------------------------------------ article ---- */
.a-hero{padding-top:clamp(40px,5vw,72px);padding-bottom:clamp(28px,3.4vw,48px);position:relative}
.a-back{display:inline-flex;align-items:center;gap:8px;margin-bottom:24px;font-size:13.5px;font-weight:600;
  color:var(--dim)}
.a-back:hover{color:var(--blue-300)}
.a-back .icon{width:15px;height:15px;rotate:180deg}
.a-hero h1{font-size:clamp(31px,4.6vw,56px);line-height:1.04;max-width:19ch}
.a-hero .a-subtitle{display:block;margin-top:12px;font-size:clamp(18px,2vw,26px);font-weight:600;
  color:var(--blue-300);letter-spacing:-.02em}
.a-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:26px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--faint)}
.a-meta .m-cat{color:var(--blue-300);font-weight:700;letter-spacing:.1em;text-transform:uppercase;font-size:11.5px}
.a-summary{margin-top:22px;max-width:64ch;font-size:clamp(16px,1.25vw,18px);line-height:1.68;color:var(--muted)}

.a-wrap{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:clamp(32px,4.5vw,72px);align-items:start;
  padding-bottom:var(--sec-y)}
.a-body{max-width:70ch;min-width:0}
.a-toc{position:sticky;top:104px;padding:22px;border:1px solid var(--line);border-radius:var(--r);
  background:var(--panel)}
.a-toc h2{font-size:11px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--faint);
  font-family:var(--font-text);margin-bottom:14px}
.a-toc ol{display:grid;gap:3px}
.a-toc a{display:flex;gap:9px;padding:7px 9px;border-radius:8px;font-size:13.2px;line-height:1.4;
  color:var(--dim);transition:color .2s,background .2s}
.a-toc a:hover{color:var(--text);background:var(--panel-2)}
.a-toc a.on{color:var(--blue-300);background:rgba(59,130,246,.1)}
.toc-num{font:700 11px/1.5 var(--font-mono);color:var(--faint);flex:none}

.a-sec+.a-sec{margin-top:clamp(40px,5vw,68px)}
.as-head{display:flex;align-items:baseline;gap:14px;margin-bottom:4px;font-size:clamp(22px,2.5vw,30px)}
.as-num{flex:none;font:700 13px/1 var(--font-mono);letter-spacing:.06em;color:var(--blue-400);
  padding:7px 9px;border:1px solid var(--line-blue);border-radius:7px;background:rgba(59,130,246,.09)}
.a-body p{color:var(--muted);font-size:16.5px;line-height:1.76}
/* Blocks are direct children of .a-sec, not .a-body - spacing has to be
   applied at that level or a list runs straight into the next paragraph. */
.a-sec>*+*{margin-top:18px}
.a-sec>.a-list+p,.a-sec>.a-q+p,.a-sec>.a-flow+p,.a-sec>.a-kv+p,
.a-sec>.a-quote+p,.a-sec>.a-stack+p{margin-top:24px}
.a-lead{font-size:18.5px!important;line-height:1.66!important;color:var(--text)!important;font-weight:500}
.a-body h3{margin-top:32px;font-size:20px}
.a-list{display:grid;gap:9px;padding-left:2px}
.a-list li{position:relative;padding-left:22px;color:var(--muted);font-size:16px;line-height:1.62}
.a-list li::before{content:"";position:absolute;left:2px;top:.62em;width:7px;height:7px;border-radius:2px;
  background:linear-gradient(135deg,var(--blue-400),var(--cyan))}
.a-q{counter-reset:q;display:grid;gap:10px}
.a-q li{counter-increment:q;position:relative;padding:13px 16px 13px 48px;border:1px solid var(--line);
  border-radius:var(--r-sm);background:rgba(255,255,255,.022);color:var(--muted);font-size:15.5px;line-height:1.55;
  transition:border-color .2s}
.a-q li:hover{border-color:var(--line-blue)}
.a-q li::before{content:counter(q,decimal-leading-zero);position:absolute;left:15px;top:13px;
  font:700 12px/1.6 var(--font-mono);color:var(--blue-400)}
.a-quote{margin:0;padding:22px 26px;border:1px solid var(--line-blue);border-left-width:3px;
  border-radius:var(--r-sm);background:linear-gradient(120deg,rgba(59,130,246,.1),rgba(255,255,255,.015))}
.a-quote p{margin:0;font-family:var(--font-display);font-weight:700;font-size:clamp(17px,1.6vw,21px);
  line-height:1.42;color:var(--text)!important;letter-spacing:-.015em}
.a-flow{display:grid;gap:0}
.a-flow li{display:grid;justify-items:center}
.fl-box{width:100%;max-width:340px;padding:13px 18px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:linear-gradient(135deg,rgba(15,23,42,.8),rgba(30,64,175,.14));text-align:center;
  font-family:var(--font-mono);font-size:13.5px;letter-spacing:.02em;color:var(--text)}
.fl-arrow{display:grid;place-items:center;height:24px;color:var(--blue-400);opacity:.55}
.fl-arrow .icon{width:15px;height:15px}
.a-stack{margin-block:8px}
.a-kv{display:grid;gap:12px}
.a-kv>div{padding:16px 18px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:rgba(255,255,255,.022);transition:border-color .2s}
.a-kv>div:hover{border-color:var(--line-blue)}
.a-kv dt{font-family:var(--font-display);font-weight:700;font-size:15.5px;margin-bottom:5px}
.a-kv dd{color:var(--muted);font-size:15px;line-height:1.6}
.a-closing{font-family:var(--font-display)!important;font-weight:800!important;
  font-size:clamp(19px,2.2vw,26px)!important;line-height:1.36!important;color:var(--text)!important;
  letter-spacing:-.025em}

/* ------------------------------------------------------------ contact ---- */
.ct-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,4vw,64px);align-items:start}
.ct-card{padding:clamp(24px,2.6vw,34px);border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--panel)}
.ct-list{display:grid;gap:12px;margin-top:22px}
.ct-list li{position:relative;padding-left:26px;font-size:15px;line-height:1.6;color:var(--muted)}
.ct-list li .icon{position:absolute;left:0;top:2px;width:17px;height:17px;color:var(--blue-400)}
.ct-links{display:grid;gap:12px;margin-top:26px}
.ct-link{display:flex;align-items:center;gap:13px;padding:16px 18px;border:1px solid var(--line);
  border-radius:var(--r);background:rgba(255,255,255,.022);transition:border-color .2s,background .2s}
.ct-link:hover{border-color:var(--line-blue);background:rgba(59,130,246,.07)}
.ct-link .card-icon{margin:0;width:40px;height:40px}
.ct-link b{display:block;font-family:var(--font-display);font-size:15px;font-weight:700}
.ct-link span{font-size:13px;color:var(--dim)}
.ct-note{margin-top:20px;font-size:13.5px;color:var(--faint)}

/* ------------------------------------------------------------- prose ---- */
.prose{max-width:74ch}
.prose h2{margin-top:38px;margin-bottom:14px;font-size:clamp(21px,2.2vw,26px)}
.prose h2:first-child{margin-top:0}
.prose p,.prose li{color:var(--muted);font-size:16px;line-height:1.72}
.prose p+p{margin-top:14px}
.prose ul{display:grid;gap:8px;margin:14px 0}
.prose li{position:relative;padding-left:20px}
.prose li::before{content:"";position:absolute;left:2px;top:.66em;width:6px;height:6px;border-radius:2px;
  background:var(--blue-400)}
.prose a{color:var(--blue-300);text-decoration:underline;text-underline-offset:3px}
.prose .upd{font-size:13px;color:var(--faint);margin-bottom:26px}

/* ------------------------------------------------------------- footer ---- */
.footer{margin-top:0;border-top:1px solid var(--line);padding-top:clamp(48px,5vw,72px);
  background:linear-gradient(180deg,rgba(59,130,246,.045),transparent 42%)}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));
  gap:clamp(28px,3.4vw,48px);padding-bottom:44px}
.footer-tag{margin-top:16px;font-family:var(--font-display);font-weight:600;font-size:15px;color:var(--text)}
.footer-note{margin-top:8px;font-size:14px;color:var(--dim);max-width:34ch}
.footer-h{font-family:var(--font-text);font-size:11px;font-weight:700;letter-spacing:.13em;
  text-transform:uppercase;color:var(--faint);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14.5px;color:var(--muted);transition:color .2s}
.footer-col a:hover{color:var(--blue-300)}
.footer-base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;
  padding-block:22px 30px;border-top:1px solid var(--line);font-size:13px;color:var(--faint)}

/* ------------------------------------------------------------ motion ---- */
/* Reveal animations are opt-IN, never opt-out. Content is visible by default;
   only once html.js is set does anything hide, and the inline head script
   removes that class again if site.js has not reported in. A broken, blocked
   or 404'd script therefore leaves a fully readable page rather than a blank
   one - the failure mode that took the previous build down. */
html.js [data-reveal]{opacity:0;transform:translateY(16px);
  transition:opacity .6s var(--ease),transform .6s var(--ease)}
html.js [data-reveal].in{opacity:1;transform:none}

/* ------------------------------------------------------- breakpoints ---- */
@media (max-width:1180px){
  .nav-links a{padding:8px 12px;font-size:13.5px}
}
@media (max-width:1024px){
  :root{--container:940px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-panel{order:2}
  .a-wrap{grid-template-columns:1fr}
  .a-toc{position:static;order:-1}
  .a-toc ol{grid-template-columns:repeat(2,1fr);display:grid}
  .strip ul{grid-template-columns:repeat(3,1fr)}
  .strip li:nth-child(3n+1){border-left:0}
  .strip li:nth-child(n+4){border-top:1px solid var(--line)}
  .g-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .nav-menu.open{display:block}
  .nav-end .btn-sm{display:none}
  .g-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cards-flex>*{max-width:calc((100% - var(--gap))/2)}
  .stack-col{position:static}
  .intro-grid,.ct-grid{grid-template-columns:1fr;gap:36px}
  .bio-grid{grid-template-columns:1fr;gap:32px}
  /* relative, not static: .bio-glow is absolutely positioned against this
     box, and a static parent lets it escape the overflow:hidden and widen
     the page. */
  .bio-portrait{position:relative;top:auto;max-width:320px}
  .ac-feature{grid-template-columns:1fr}
}
@media (max-width:680px){
  html{scroll-padding-top:88px}
  .container,.nav-inner{padding-inline:18px}
  .nav-menu{margin-inline:18px}
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .cards-flex>*{max-width:100%;flex-basis:100%}
  .strip ul{grid-template-columns:repeat(2,1fr)}
  .strip li:nth-child(2n+1){border-left:0}
  .strip li:nth-child(n+3){border-top:1px solid var(--line)}
  .strip li:nth-child(3){border-left:0}
  .card{padding:22px}
  .a-toc ol{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .as-head{gap:11px}
  .a-body p{font-size:16px}
  .btn{width:100%}
  .btn-row{flex-direction:column}
  .hero-caps{font-size:12.5px}
  .hero-caps li+li::before{margin:0 9px}
}
@media (max-width:380px){
  .brand-word{font-size:17px}
  .ts-box{grid-template-columns:1fr;row-gap:6px;padding:14px 16px}
  .ts-idx{grid-row:auto;width:32px;height:28px;font-size:10.5px}
}

/* ------------------------------------------------------ a11y / print ---- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important}
  [data-reveal]{opacity:1;transform:none}
}
@media print{
  .nav,.footer,.cta-band,.a-toc,.hero-glow,.hero-grid-bg{display:none}
  body{background:#fff;color:#000}
  .card{border-color:#ccc}
}