/* ============================================================================
   FrameWorkers demo site — shared design system  ("Aria-style": light, mono,
   blue→purple gradient).  Used by index / portfolio / about / contact pages.
   Self-contained & offline: JetBrains Mono is bundled in ./fonts/ (no CDN).
   ============================================================================ */

@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:400;
  font-display:swap;src:url("fonts/jbmono-400.woff2") format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:500;
  font-display:swap;src:url("fonts/jbmono-500.woff2") format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:700;
  font-display:swap;src:url("fonts/jbmono-700.woff2") format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:800;
  font-display:swap;src:url("fonts/jbmono-800.woff2") format("woff2")}

:root{
  --mono:"JetBrains Mono",ui-monospace,"SF Mono","Roboto Mono",Menlo,Consolas,"Liberation Mono",monospace;

  /* brand accents (Aria blue→purple) */
  --blue:#4f6ef7; --blue-600:#3f5ee8; --purple:#8b5cf6;
  --grad:linear-gradient(110deg,#4f6ef7 0%,#8b5cf6 100%);
  --grad-soft:linear-gradient(110deg,rgba(79,110,247,.14),rgba(139,92,246,.14));

  /* ink + surfaces (light) */
  --ink:#16161d; --muted:#56566a; --faint:#8a8a99;
  --bg:#ffffff; --bg-soft:#f5f6fb; --bg-tint:#eef1fb;
  --line:#e7e8f1; --line-soft:#eef0f6;

  /* footer (dark) */
  --footer-bg:#0b0c11; --footer-ink:#e9eaf2; --footer-muted:#9a9ba8; --footer-line:#1e2029;

  --radius:16px; --radius-lg:22px; --radius-pill:999px;
  --shadow-sm:0 6px 20px rgba(20,24,60,.06);
  --shadow:0 18px 50px rgba(28,32,80,.12);
  --shadow-lg:0 30px 80px rgba(28,32,80,.16);
  --maxw:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{
  background:var(--bg);color:var(--ink);
  font:15px/1.55 var(--mono);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  min-height:100vh;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* ---------- gradient text + section heads ---------- */
.gtext{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.section{padding:84px 0}
.section-head{text-align:center;max-width:900px;margin:0 auto 52px}
.section-title{font-size:clamp(28px,3.6vw,42px);font-weight:800;letter-spacing:-.012em;margin:0 0 14px;line-height:1.18}
.section-sub{color:var(--muted);font-size:16px;line-height:1.7;margin:0}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--blue)}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:16px 28px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;line-height:1}
.brand-mark{width:30px;height:30px;flex:none;display:block;filter:drop-shadow(0 4px 12px rgba(99,102,241,.25))}
.brand-mark svg{width:100%;height:100%;display:block}
.brand-word{position:relative;font-size:21px;line-height:1}
.brand-word .sp{padding-left:.16em}
.brand-dots{position:absolute;top:-.44em;right:-.52em;display:inline-flex;gap:3px}
.brand-dots i{width:5px;height:5px;border-radius:50%;display:block}
.brand-dots .d1{background:var(--blue)}
.brand-dots .d2{background:var(--purple)}
.brand-logo{height:30px;width:auto;display:block}
.footer-brand .brand-logo{height:30px}
.brand-group{display:inline-flex;align-items:center;gap:8px}
.brand-byline{display:inline-flex;flex-direction:column;align-items:flex-start;gap:1px;margin-top:1px}
.brand-byline .by-text{font-size:9.5px;font-style:italic;font-weight:500;color:var(--faint);letter-spacing:.02em;line-height:1}
.brand-byline .insait-link{display:block;opacity:.85;transition:opacity .15s}
.brand-byline .insait-link:hover{opacity:1}
.brand-byline .insait-logo{height:20px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{position:relative;color:var(--ink);font-size:14.5px;font-weight:500;padding:4px 0;transition:color .15s}
.nav-links a:hover{color:var(--blue)}
.nav-links a.active{color:var(--blue);font-weight:700}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:var(--blue);border-radius:2px}
.nav-toggle{display:none;background:none;border:0;color:var(--ink);cursor:pointer;padding:6px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font:inherit;font-size:14.5px;font-weight:700;
  border-radius:12px;padding:13px 22px;cursor:pointer;border:1px solid transparent;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease,border-color .15s ease}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 26px rgba(79,110,247,.32)}
.btn-primary:hover{background:var(--blue-600);transform:translateY(-2px);box-shadow:0 16px 34px rgba(79,110,247,.4)}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(110,100,247,.34)}
.btn-grad:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(110,100,247,.44)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{border-color:var(--blue);color:var(--blue)}

/* ---------- pills / tags / filters ---------- */
.pill{display:inline-flex;align-items:center;gap:8px;font:inherit;font-size:13.5px;font-weight:500;
  padding:9px 18px;border-radius:var(--radius-pill);background:var(--bg-soft);color:var(--muted);
  border:1px solid transparent;cursor:pointer;transition:all .15s ease}
.pill:hover{color:var(--ink);background:#eef0f6}
.pill.active{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(79,110,247,.3)}
.filters{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin:0 auto 22px;max-width:760px}
.io-legend{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;
  margin:0 auto 40px;color:var(--muted);font-size:12.5px}
.io-legend .io-chip{font-size:10.5px;font-weight:700;letter-spacing:.01em;padding:3px 9px;
  border-radius:var(--radius-pill);border:1px solid}
.io-legend .io-in{color:var(--blue-600);border-color:rgba(79,110,247,.32);background:rgba(79,110,247,.07)}
.io-legend .io-out{color:var(--purple);border-color:rgba(139,92,246,.32);background:rgba(139,92,246,.07);margin-left:10px}
.team-authors{text-align:center;max-width:840px;margin:0 auto;font-size:18px;font-weight:700;line-height:1.9;color:var(--ink)}
.team-authors a{color:inherit;text-decoration:none;border-bottom:1px solid var(--line);transition:color .15s,border-color .15s}
.team-authors a:hover{color:var(--blue);border-color:var(--blue)}
.team-authors sup{font-size:11px;color:var(--blue);font-weight:700;margin-left:1px}
.team-affil{text-align:center;max-width:840px;margin:16px auto 0;font-size:14px;color:var(--muted)}
.team-affil sup{font-size:10px;margin-right:2px}
.tags{display:flex;flex-wrap:wrap;justify-content:center;gap:13px;max-width:840px;margin:0 auto}
.tag{font-size:13.5px;font-weight:500;padding:9px 18px;border-radius:var(--radius-pill);
  background:var(--bg-soft);color:var(--ink);border:1px solid var(--line)}

/* ---------- paper byline (home) ---------- */
.paper-block{text-align:center;padding:44px 0 0}
.paper-block .container{max-width:920px}
.paper-title{margin:0 0 18px;font-size:clamp(24px,3vw,34px);font-weight:800;color:var(--ink);line-height:1.4;letter-spacing:-.01em}
.paper-authors{margin:0 0 10px;font-size:16px;color:var(--muted);line-height:1.7}
.paper-authors a{color:inherit;text-decoration:none;border-bottom:1px solid var(--line);transition:color .15s,border-color .15s}
.paper-authors a:hover{color:var(--blue);border-color:var(--blue)}
.paper-authors sup{font-size:11px;color:var(--blue);font-weight:700;margin-left:1px}
.paper-affil{margin:0 0 14px;font-size:13px;color:var(--faint)}
.paper-affil sup{font-size:10px;margin-right:2px}
.paper-venue{margin:0;font-size:13px;font-weight:700;color:var(--blue);text-transform:uppercase;letter-spacing:.07em}
@media (max-width:640px){.paper-title{font-size:21px}.paper-authors{font-size:14px}}

/* ---------- top gradient zone: paper byline + demo video + hero (home) ---------- */
.top-gradient{position:relative;overflow:hidden;
  background:
    radial-gradient(50% 40% at 10% 0%, rgba(79,110,247,.18), transparent 60%),
    radial-gradient(46% 38% at 90% 4%, rgba(139,92,246,.15), transparent 60%),
    radial-gradient(52% 40% at 20% 100%, rgba(74,196,144,.16), transparent 62%),
    radial-gradient(46% 38% at 86% 96%, rgba(139,92,246,.10), transparent 62%),
    #ffffff}

/* ---------- hero (home) ---------- */
.hero{position:relative;text-align:center;padding:64px 0 104px}
.hero .badge{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--blue-600);
  background:rgba(79,110,247,.12);border:1px solid rgba(79,110,247,.24);
  padding:8px 16px;border-radius:var(--radius-pill);margin-bottom:26px}
.hero .badge svg{width:15px;height:15px}
.hero h1{font-size:clamp(28px,3.6vw,42px);font-weight:800;letter-spacing:-.015em;line-height:1.14;margin:0 0 22px}
.hero p.lede{color:var(--muted);font-size:16px;line-height:1.62;max-width:620px;margin:0 auto 34px}
.hero .cta{display:flex;justify-content:center;gap:18px;flex-wrap:wrap}

/* ---------- work cards (featured + portfolio grid) ---------- */
.work-grid{display:grid;gap:26px}
.work-grid.cols-3{grid-template-columns:repeat(auto-fill,minmax(330px,1fr))}
.work-grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(440px,1fr))}
.work-card{position:relative;display:block;border-radius:var(--radius-lg);overflow:hidden;
  background:#000;box-shadow:var(--shadow-sm);cursor:pointer;border:0;padding:0;width:100%;text-align:left;font:inherit;
  transition:transform .22s ease,box-shadow .22s ease}
.work-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.work-card:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.work-card .ph{position:relative;aspect-ratio:16/10;background:#0b0b0f center/cover no-repeat}
.work-card.tall .ph{aspect-ratio:4/5}
.work-card .ph::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,8,14,0) 48%,rgba(8,8,14,.62) 100%);opacity:0;transition:opacity .22s ease}
.work-card:hover .ph::after{opacity:1}
.work-card .meta{position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
  opacity:0;transform:translateY(8px);transition:opacity .22s ease,transform .22s ease}
.work-card:hover .meta{opacity:1;transform:none}
.work-card .cat{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.04em;color:#fff;
  background:var(--blue);padding:4px 11px;border-radius:var(--radius-pill);margin-bottom:9px}
.work-card .ttl{color:#fff;font-size:18px;font-weight:700;text-shadow:0 2px 12px rgba(0,0,0,.5)}
.work-card .play-fab{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.85);z-index:3;
  width:58px;height:58px;border-radius:50%;background:rgba(255,255,255,.92);display:grid;place-items:center;
  opacity:0;transition:opacity .22s ease,transform .22s ease;box-shadow:0 10px 30px rgba(0,0,0,.4)}
.work-card:hover .play-fab{opacity:1;transform:translate(-50%,-50%) scale(1)}
.work-card .play-fab svg{width:22px;height:22px;margin-left:3px;fill:var(--blue)}

/* portfolio card variant: caption sits BELOW the image (always visible) */
.film-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);cursor:pointer;padding:0;text-align:left;font:inherit;width:100%;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.film-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(79,110,247,.4)}
.film-card:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.film-card .ph{position:relative;aspect-ratio:16/10;background:#0b0b0f center/cover no-repeat}
.film-card .ph::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,8,14,0) 48%,rgba(8,8,14,.5) 100%);opacity:0;transition:opacity .2s ease}
.film-card:hover .ph::after{opacity:1}
.film-card .cat{position:absolute;top:12px;left:12px;z-index:2;font-size:11px;font-weight:700;letter-spacing:.04em;
  color:var(--blue);background:rgba(255,255,255,.92);padding:4px 11px;border-radius:var(--radius-pill);backdrop-filter:blur(4px)}
.film-card .play-fab{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.85);z-index:3;
  width:54px;height:54px;border-radius:50%;background:rgba(255,255,255,.94);display:grid;place-items:center;
  opacity:0;transition:opacity .2s,transform .2s;box-shadow:0 10px 28px rgba(0,0,0,.35)}
.film-card:hover .play-fab{opacity:1;transform:translate(-50%,-50%) scale(1)}
.film-card .play-fab svg{width:20px;height:20px;margin-left:3px;fill:var(--blue)}
.film-card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.film-card .ttl{font-size:18px;font-weight:800;color:var(--ink)}
.film-card .desc{color:var(--muted);font-size:13.5px;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.film-card .io-row{display:flex;flex-wrap:wrap;gap:6px}
.film-card .io-chip{font-size:10.5px;font-weight:700;letter-spacing:.01em;line-height:1.3;
  padding:3px 9px;border-radius:var(--radius-pill);border:1px solid}
.film-card .io-chip.io-in{color:var(--blue-600);border-color:rgba(79,110,247,.32);background:rgba(79,110,247,.07)}
.film-card .io-chip.io-out{color:var(--purple);border-color:rgba(139,92,246,.32);background:rgba(139,92,246,.07)}
.film-card .go{margin-top:auto;display:flex;align-items:center;gap:7px;color:var(--blue);font-size:12.5px;font-weight:600}
.film-card .go svg{width:14px;height:14px;fill:currentColor}

/* ---------- about: split intro + timeline ---------- */
.about-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:56px;align-items:center}
.about-split .photo{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);background:var(--bg-soft);
  aspect-ratio:1/1}
.about-split .photo img{width:100%;height:100%;object-fit:cover}
.about-split h2{font-size:clamp(30px,4vw,52px);font-weight:800;letter-spacing:-.02em;line-height:1.14;margin:0 0 22px}
.about-split p{color:var(--muted);font-size:15.5px;line-height:1.8;margin:0 0 18px}
.social-row{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px}
.social-row a{display:inline-flex;align-items:center;gap:8px;color:var(--ink);font-size:14px;font-weight:500;transition:color .15s}
.social-row a:hover{color:var(--blue)}
.social-row svg{width:18px;height:18px}

.timeline{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:30px}
.tl-item{display:grid;grid-template-columns:56px 1fr;gap:24px;align-items:start}
.tl-icon{width:56px;height:56px;border-radius:14px;background:var(--bg-tint);display:grid;place-items:center;color:var(--blue)}
.tl-icon svg{width:26px;height:26px}
.tl-year{font-size:13px;font-weight:700;color:var(--blue);letter-spacing:.04em}
.tl-body{border-top:1px solid var(--line);padding-top:8px}
.tl-body h3{margin:6px 0 6px;font-size:19px;font-weight:700}
.tl-body p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.65}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:60px;align-items:start}
.col-title{font-size:22px;font-weight:800;letter-spacing:-.01em;margin:0 0 24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14.5px;font-weight:700;margin-bottom:9px}
.field input,.field textarea{width:100%;font:inherit;font-size:14.5px;color:var(--ink);background:#fff;
  border:1px solid var(--line);border-radius:12px;padding:13px 15px;transition:border-color .15s,box-shadow .15s}
.field input::placeholder,.field textarea::placeholder{color:var(--faint)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(79,110,247,.14)}
.field textarea{min-height:150px;resize:vertical;line-height:1.6}

.info-card{display:flex;align-items:center;gap:16px;background:var(--bg-soft);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 20px;margin-bottom:16px}
.info-card .chip{width:48px;height:48px;border-radius:13px;background:var(--bg-tint);display:grid;place-items:center;color:var(--blue);flex:none}
.info-card .chip svg{width:22px;height:22px}
.info-card .k{font-size:13px;color:var(--muted)}
.info-card .v{font-size:15.5px;font-weight:700;margin-top:2px}
.connect-title{font-size:20px;font-weight:800;margin:40px 0 10px}
.connect-sub{color:var(--muted);font-size:14.5px;line-height:1.6;margin:0 0 18px}
.response-card{margin-top:30px;border-radius:var(--radius-lg);padding:26px 28px;border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(79,110,247,.10),rgba(74,196,144,.10) 55%,rgba(139,92,246,.12))}
.response-card h3{margin:0 0 10px;font-size:18px;font-weight:700}
.response-card p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.7}

/* ---------- footer ---------- */
.footer{background:linear-gradient(180deg,#101119,var(--footer-bg));color:var(--footer-ink);margin-top:40px}
.footer-grid{max-width:var(--maxw);margin:0 auto;padding:64px 28px 30px;display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:40px}
.footer-brand .brand-group{margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px}
.footer-brand .brand-word{font-size:24px}
.footer-brand .brand-byline .by-text{color:var(--footer-muted)}
.footer-brand .brand-byline .insait-link{opacity:.75}
.footer-brand .brand-byline .insait-link:hover{opacity:1}
.footer-brand p{color:var(--footer-muted);font-size:14px;line-height:1.7;max-width:380px;margin:0 0 20px}
.footer-social{display:flex;gap:16px}
.footer-social a{color:var(--footer-muted);transition:color .15s}
.footer-social a:hover{color:#fff}
.footer-social svg{width:20px;height:20px}
.footer-links{justify-self:end;text-align:right}
.footer-links .lbl{font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--footer-muted);text-transform:uppercase;margin-bottom:16px}
.footer-links a{display:block;color:var(--footer-ink);opacity:.82;font-size:14px;padding:6px 0;transition:opacity .15s,color .15s}
.footer-links a:hover{opacity:1;color:var(--blue)}
.footer-bottom{max-width:var(--maxw);margin:0 auto;padding:22px 28px;border-top:1px solid var(--footer-line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;color:var(--footer-muted);font-size:13px}
.footer-bottom .legal{display:flex;gap:26px}
.footer-bottom a:hover{color:var(--footer-ink)}

/* ---------- generation overlay (fake pipeline) ---------- */
.gen{position:fixed;inset:0;z-index:80;display:none;place-items:center;background:rgba(16,18,32,.5);backdrop-filter:blur(8px)}
.gen.on{display:grid}
.gen-card{width:min(560px,92vw);background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);padding:30px 30px 28px;position:relative;overflow:hidden}
.gen-card .glow{position:absolute;inset:-50% -10% auto -10%;height:220px;filter:blur(26px);
  background:radial-gradient(closest-side,rgba(79,110,247,.28),transparent 70%),
            radial-gradient(closest-side,rgba(139,92,246,.20),transparent 70%);
  background-position:28% 0,82% 0;background-repeat:no-repeat}
.gen-h{display:flex;align-items:center;gap:12px;font-weight:700;font-size:17px;position:relative}
.spinner{width:18px;height:18px;border-radius:50%;border:2.5px solid rgba(79,110,247,.18);border-top-color:var(--blue);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.gen-sub{color:var(--muted);font-size:13.5px;margin:8px 0 16px;position:relative}
.bar{height:7px;border-radius:var(--radius-pill);background:#eef0f6;overflow:hidden;position:relative}
.bar>i{position:absolute;left:0;top:0;bottom:0;width:0%;background:var(--grad);transition:width .35s ease}
.stages{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-direction:column;gap:11px;position:relative}
.stages li{display:flex;align-items:center;gap:11px;color:var(--muted);font-size:13.5px;transition:color .3s}
.stages li .tick{width:19px;height:19px;border-radius:50%;border:1.5px solid #cfd2de;display:grid;place-items:center;flex:none;transition:all .3s;transform:translateY(-.5px)}
.stages li.active{color:var(--ink);font-weight:600}
.stages li.active .tick{border-color:var(--blue);box-shadow:0 0 0 3px rgba(79,110,247,.16)}
.stages li.done{color:var(--muted)}
.stages li.done .tick{background:var(--blue);border-color:var(--blue)}
.stages li.done .tick svg{width:11px;height:11px;fill:#fff}
.stages li .tick svg{width:0;height:0}
.gen-note{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);color:var(--faint);font-size:12px;line-height:1.5}

/* ---------- inline player (portfolio) ---------- */
.player{display:none}
.player.on{display:block;animation:rise .4s ease both}
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.back{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);color:var(--ink);
  padding:10px 16px;border-radius:12px;cursor:pointer;font:inherit;font-size:14px;margin-bottom:20px;transition:border-color .15s,color .15s}
.back:hover{border-color:var(--blue);color:var(--blue)}
.stage-frame{border-radius:var(--radius-lg);overflow:hidden;background:#000;box-shadow:var(--shadow);position:relative}
.stage-frame video{display:block;width:100%;aspect-ratio:16/9;background:#000}
.pmeta{margin-top:22px;display:flex;gap:32px;flex-wrap:wrap;align-items:flex-start}
.pmeta .col{flex:1;min-width:260px}
.pmeta .genre2{color:var(--blue);font-size:12.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase}
.pmeta h2{margin:6px 0 10px;font-size:28px;font-weight:800;letter-spacing:-.01em}
.pmeta .pr{color:var(--muted);font-size:14.5px;line-height:1.65}
.pmeta .pr .qlabel{color:var(--blue);font-size:12px;text-transform:uppercase;letter-spacing:.06em;display:block;margin-bottom:6px;font-weight:600}

/* ---------- inputs showcase (home chips + create grid) + steps ---------- */
.inputs-row{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;max-width:920px;margin:0 auto}
.in-chip{display:inline-flex;align-items:center;gap:9px;padding:11px 18px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line);font-size:14px;font-weight:500;box-shadow:var(--shadow-sm)}
.in-chip svg{width:17px;height:17px;color:var(--blue)}
.in-chip.soon{opacity:.72}
.in-chip .soon-tag{font-size:10px;font-weight:700;letter-spacing:.05em;color:var(--purple);
  background:rgba(139,92,246,.13);padding:2px 7px;border-radius:999px;text-transform:uppercase}

.io-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:18px}
.io-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px 20px;
  box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease}
.io-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.io-card .ic{width:46px;height:46px;border-radius:12px;background:var(--bg-tint);display:grid;place-items:center;color:var(--blue);margin-bottom:15px}
.io-card .ic svg{width:23px;height:23px}
.io-card h3{margin:0 0 7px;font-size:16px;font-weight:700;display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.io-card p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.55}
.badge-ok{font-size:10px;font-weight:700;letter-spacing:.04em;color:#1f9d6b;background:rgba(31,157,107,.13);padding:3px 8px;border-radius:999px;text-transform:uppercase}
.badge-soon{font-size:10px;font-weight:700;letter-spacing:.04em;color:var(--purple);background:rgba(139,92,246,.13);padding:3px 8px;border-radius:999px;text-transform:uppercase}
.cta-note{text-align:center;color:var(--faint);font-size:13px;margin-top:18px}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:920px;margin:0 auto}
.step{text-align:center;padding:8px}
.step .n{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;margin:0 auto 14px}
.step h3{margin:0 0 7px;font-size:16px;font-weight:700}
.step p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.55}
@media (max-width:760px){.steps{grid-template-columns:1fr;gap:30px}}

/* ---------- results: KPI tiles + horizontal bar comparisons ---------- */
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;max-width:1080px;margin:0 auto 40px}
.kpi-tile{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;
  text-align:center;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease}
.kpi-tile:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.kpi-icon{width:40px;height:40px;border-radius:11px;background:var(--bg-tint);color:var(--blue);
  display:grid;place-items:center;margin:0 auto 12px}
.kpi-icon svg{width:20px;height:20px}
.kpi-value{font-size:34px;font-weight:800;letter-spacing:-.01em;line-height:1}
.kpi-value .kpi-unit{font-size:16px;font-weight:700;margin-left:2px}
.kpi-label{margin-top:9px;color:var(--muted);font-size:12.5px;line-height:1.5}

.stat-banner{max-width:1080px;margin:0 auto 40px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:20px 28px;box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease}
.stat-banner:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.stat-banner .chart-title{margin:0 0 16px}
.stat-row{display:flex;align-items:center;gap:20px}
.stat-row .kpi-icon{margin:0;flex:none}
.stat-value{font-size:32px;font-weight:800;letter-spacing:-.01em;flex:none;white-space:nowrap}
.stat-value .kpi-unit{font-size:15px;font-weight:700;margin-left:2px}
.stat-label{color:var(--muted);font-size:13.5px;line-height:1.5}
@media (max-width:640px){.stat-row{flex-direction:column;text-align:center;gap:10px}}

.chart-row{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;max-width:1080px;margin:0 auto}
.chart-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow-sm)}
.chart-title{margin:0 0 4px;font-size:15.5px;font-weight:700}
.chart-sub{margin:0 0 20px;color:var(--faint);font-size:12.5px;line-height:1.5}
.mini-label{margin:0 0 14px;font-size:12.5px;font-weight:700;color:var(--ink);text-transform:uppercase;letter-spacing:.05em}
.hbar-group{display:flex;flex-direction:column;gap:14px}
.hbar-row{display:grid;grid-template-columns:min(42%,192px) 1fr 60px;align-items:center;gap:12px}
.hbar-label{font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hbar-track{height:10px;border-radius:999px;background:var(--bg-tint);overflow:hidden}
.hbar-fill{height:100%;border-radius:999px}
.hbar-fill.ours{background:var(--grad)}
.hbar-fill.base{background:var(--faint);opacity:.45}
.hbar-value{font-size:12.5px;font-weight:700;text-align:right}
.hbar-row.ours .hbar-label,.hbar-row.ours .hbar-value{color:var(--ink);font-weight:700}

.cov-table-wrap{overflow-x:auto;margin-top:6px}
.cov-table{width:100%;border-collapse:collapse;min-width:760px}
.cov-table th,.cov-table td{padding:9px 10px;text-align:center;border-bottom:1px solid var(--line-soft);font-size:12px}
.cov-table thead th{font-size:11px;font-weight:700;color:var(--muted);vertical-align:bottom;padding-bottom:10px}
.cov-table td:first-child,.cov-table th:first-child{text-align:left;font-weight:500;color:var(--ink);white-space:nowrap;font-size:12.5px}
.cov-table .ours-col{background:var(--bg-tint)}
.cov-table th.ours-col{color:var(--blue);font-weight:700}
.cov-table .yes{color:var(--blue);font-weight:700}
.cov-table .no{color:var(--faint);font-weight:700}
.cov-table .group-row td{background:var(--bg-soft);font-weight:700;color:var(--faint);font-size:10.5px;
  text-transform:uppercase;letter-spacing:.06em;text-align:left;padding:9px 10px}
.cov-table .total-row td{font-weight:700;color:var(--ink);border-bottom:none;border-top:2px solid var(--line)}
.cov-table .total-row td:first-child{color:var(--ink)}
@media (max-width:880px){.kpi-row{grid-template-columns:repeat(2,1fr)}.chart-row{grid-template-columns:1fr}}
@media (max-width:520px){.kpi-row{grid-template-columns:1fr}.hbar-row{grid-template-columns:1fr;gap:4px}.hbar-value{text-align:left}}

/* ---------- responsive ---------- */
@media (max-width:880px){
  .about-split{grid-template-columns:1fr;gap:34px}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-links{justify-self:start;text-align:left}
  .work-grid.cols-2{grid-template-columns:1fr}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .section{padding:60px 0}
  .nav-links{gap:18px}
  .nav-links a{font-size:13.5px}
  .brand-byline{display:none}
  .hero{padding:70px 0 76px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* Home "See it in action" full-demo video */
.full-demo{display:block;width:100%;max-width:960px;margin:0 auto;
  border-radius:var(--radius-lg);border:1px solid var(--line);
  box-shadow:var(--shadow);background:#0b0c11}

/* verbatim prompt display: keep the real input's line breaks; EN translation subdued */
#pprompt{white-space:pre-wrap}
.pr-en{display:block;margin-top:8px;font-size:12.5px;color:var(--muted,#8a93a6);white-space:pre-wrap;border-top:1px dashed rgba(128,140,160,.35);padding-top:8px}

/* input-material strip in the player (reproducibility: the exact files fed in) */
.pin-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.pin-item{display:flex;flex-direction:column;gap:4px;align-items:center;max-width:150px}
.pin-item img{height:84px;width:auto;max-width:150px;object-fit:cover;border-radius:8px;border:1px solid rgba(120,160,255,.25);cursor:zoom-in;background:#0b1120}
.pin-item audio{width:220px;height:32px}
.pin-item video{height:84px;border-radius:8px;border:1px solid rgba(120,160,255,.25)}
.pin-item .pin-name{font-size:11px;color:#8fa3c8;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pin-item a.pin-txt{font-size:12px;color:#7fb0ff;text-decoration:underline}

/* ===== research modules: left schematic / right text ===== */
.module-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:52px;align-items:stretch;max-width:1080px;margin:0 auto 34px}
.module-split .section-head{text-align:left;margin:0;max-width:none;order:1}
.module-split .module-diagram{order:2}
.module-diagram{position:relative;border:1px solid var(--line);border-radius:18px;background:var(--bg-soft);overflow:hidden}
.module-diagram img{width:100%;height:100%;object-fit:cover;display:block}
.module-diagram svg{width:100%;height:auto;display:block}
@media (max-width:860px){.module-split{grid-template-columns:1fr;gap:28px;align-items:stretch}.module-split .module-diagram{order:-1}.module-split .module-diagram img{height:auto}}

/* extensibility mini-cards */
.ext-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:640px){.ext-grid{grid-template-columns:1fr}}
.ext-card{border:1px solid var(--line);border-radius:14px;padding:18px 20px;background:var(--bg-soft)}
.ext-name{font-weight:800;font-size:15px;margin:0}
.ext-tag{display:inline-block;font-size:11px;font-weight:700;color:var(--blue);background:var(--bg-tint);border-radius:999px;padding:2px 9px;margin:8px 0 14px}
.ext-metrics{display:flex;gap:30px}
.ext-metric .v{font-size:26px;font-weight:800;letter-spacing:-.01em;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.1}
.ext-metric .k{font-size:11.5px;color:var(--faint);font-weight:600;margin-top:2px}

/* runtime recovery split (replan / replace) */
.rec-split{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:2px}
@media (max-width:640px){.rec-split{grid-template-columns:1fr}}
.rec-cell{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:var(--bg-soft)}
.rec-cell .v{font-size:28px;font-weight:800;letter-spacing:-.01em;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.1}
.rec-cell .k{font-size:12.5px;font-weight:800;margin:4px 0 3px;color:var(--ink)}
.rec-cell .d{font-size:12px;color:var(--faint);line-height:1.45}