:root{
  /* shared tokens */
  --radius:18px; --radius-lg:26px;
  --font:"Sora",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",monospace;
  /* LIGHT theme (default) */
  --bg:#f5f7fe; --bg-2:#eef1fc;
  --card:rgba(255,255,255,.62); --card-strong:rgba(255,255,255,.82);
  --border:rgba(79,70,229,.14); --border-strong:rgba(79,70,229,.28);
  --text:#161a2e; --text-2:#454d6e; --muted:#6b7596;
  --accent:#4f46e5; --accent-2:#0ea5e9; --teal:#14b8a6; --gold:#f5b73c;
  --grad:linear-gradient(110deg,#4f46e5 0%,#0ea5e9 55%,#14b8a6 100%);
  --glow:rgba(79,70,229,.28);
  --shadow:0 24px 60px rgba(30,41,99,.12);
  --aurora-op:.4;
}
[data-theme="dark"]{
  --bg:#0d1229; --bg-2:#0a0f22;
  --card:rgba(22,34,72,.55); --card-strong:rgba(26,40,84,.78);
  --border:rgba(154,167,255,.18); --border-strong:rgba(154,167,255,.36);
  --text:#eaf0ff; --text-2:#aeb9e0; --muted:#8090bd;
  --accent:#6d6bff; --accent-2:#22d3ee; --teal:#2dd4bf;
  --grad:linear-gradient(110deg,#7c83ff 0%,#22d3ee 55%,#2dd4bf 100%);
  --glow:rgba(109,107,255,.45);
  --shadow:0 24px 70px rgba(2,6,23,.55);
  --aurora-op:.6;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden}
body{
  font-family:var(--font); color:var(--text); background:var(--bg);
  line-height:1.6; overflow-x:hidden; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
kbd{font-family:var(--mono);font-size:.78em;background:rgba(154,167,255,.16);border:1px solid var(--border-strong);border-bottom-width:2px;border-radius:6px;padding:1px 6px;color:var(--text)}
em{font-style:normal;color:var(--accent-2);font-weight:600}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Backgrounds */
#bgCanvas{position:fixed;inset:0;z-index:0;pointer-events:none}
#threadCanvas{position:fixed;inset:0;width:100%;height:100%;z-index:50;pointer-events:none}
.grain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.aurora{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;filter:blur(70px);opacity:var(--aurora-op)}
.aurora span{position:absolute;border-radius:50%;opacity:.5;animation:drift 22s ease-in-out infinite}
.aurora span:nth-child(1){width:46vw;height:46vw;left:-8vw;top:-10vw;background:radial-gradient(circle,#6d6bff,transparent 65%)}
.aurora span:nth-child(2){width:40vw;height:40vw;right:-6vw;top:6vh;background:radial-gradient(circle,#22d3ee,transparent 65%);animation-delay:-7s}
.aurora span:nth-child(3){width:38vw;height:38vw;left:30vw;bottom:-14vw;background:radial-gradient(circle,#2dd4bf,transparent 65%);animation-delay:-13s}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(6vw,4vh) scale(1.12)}66%{transform:translate(-5vw,-3vh) scale(.95)}}

/* Cursor */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:9998;background:var(--grad);box-shadow:0 0 12px var(--glow)}

/* layout */
section{position:relative;z-index:2}
.section{max-width:1180px;margin:0 auto;padding:clamp(48px,7.5vw,96px) 24px}
.section.alt::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(109,107,255,.04),transparent);z-index:-1}
.section-head{max-width:720px;margin:0 auto clamp(30px,4.5vw,52px);text-align:center}
.kicker{display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--accent-2);margin-bottom:14px}
.section-head h2{font-size:clamp(2rem,4.6vw,3.3rem);font-weight:800;letter-spacing:-.02em;line-height:1.08}
.section-head p{margin-top:18px;color:var(--text-2);font-size:1.06rem}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;gap:18px;
  padding:16px clamp(18px,4vw,42px);transition:.35s}
.nav.scrolled{background:color-mix(in srgb,var(--bg) 72%,transparent);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.18rem;letter-spacing:-.01em}
.brand img{width:32px;height:32px;border-radius:8px;filter:drop-shadow(0 4px 10px var(--glow))}
.brand b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:6px;margin-left:auto}
.nav-links a{padding:8px 14px;border-radius:10px;font-size:.92rem;color:var(--text-2);font-weight:500;transition:.2s;position:relative}
.nav-links a:hover{color:var(--text);background:rgba(154,167,255,.1)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:18px}
.icon-btn{width:40px;height:40px;display:grid;place-items:center;border-radius:11px;background:var(--card);border:1px solid var(--border);color:var(--text);box-shadow:none}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.icon-btn .i-sun{display:none}
[data-theme="dark"] .icon-btn .i-sun{display:block}
[data-theme="dark"] .icon-btn .i-moon{display:none}
.burger{display:none;flex-direction:column;gap:5px;width:42px;height:42px;border-radius:11px;background:var(--card);border:1px solid var(--border);align-items:center;justify-content:center;box-shadow:none}
.burger span{width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .34s cubic-bezier(.2,.9,.3,1.2),opacity .2s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0;transform:scaleX(.4)}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:inherit;font-weight:600;font-size:.95rem;
  padding:11px 20px;border-radius:13px;border:1px solid transparent;transition:transform .25s,box-shadow .25s,background .25s;will-change:transform}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 30px var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 44px var(--glow)}
.btn-ghost{background:var(--card);border-color:var(--border-strong);color:var(--text)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--accent-2)}
.btn-lg{padding:15px 28px;font-size:1.02rem;border-radius:15px}
.chrome-i{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7}

/* Hero */
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:120px 24px 0;max-width:1240px;margin:0 auto}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;flex:1}
.pill{display:inline-flex;align-items:center;gap:9px;font-size:.82rem;font-weight:600;color:var(--text-2);
  background:var(--card);border:1px solid var(--border);padding:7px 15px;border-radius:999px;margin-bottom:26px}
.pill .dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 0 var(--teal);animation:ping 1.8s infinite}
@keyframes ping{0%{box-shadow:0 0 0 0 rgba(45,212,191,.5)}70%{box-shadow:0 0 0 9px rgba(45,212,191,0)}100%{box-shadow:0 0 0 0 transparent}}
.hero-title{font-size:clamp(2.5rem,6vw,4.6rem);font-weight:800;letter-spacing:-.03em;line-height:1.04}
.hero-title .under{position:relative}
.hero-title .under::after{content:"";position:absolute;left:0;right:0;bottom:.08em;height:.12em;background:var(--grad);border-radius:4px;transform:scaleX(0);transform-origin:left;animation:uline 1s .6s forwards cubic-bezier(.2,.8,.2,1)}
@keyframes uline{to{transform:scaleX(1)}}
.hero-sub{margin-top:24px;font-size:1.13rem;color:var(--text-2);max-width:560px}
.hero-sub b{color:var(--text);font-weight:600}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;margin-top:46px;flex-wrap:wrap}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats b{font-size:2.1rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.hero-stats .suffix{display:none}
.hero-stats span:not(.suffix){font-size:.85rem;color:var(--muted);margin-top:6px;max-width:120px}

/* Hero visual */
.hero-visual{display:grid;place-items:center;perspective:1400px;min-height:min(460px,70vw)}
.orb-stage{position:relative;width:100%;max-width:460px;aspect-ratio:1/1;display:grid;place-items:center}
.orb-glow{position:absolute;width:80%;height:80%;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle at 50% 45%,color-mix(in srgb,var(--accent) 32%,transparent),transparent 66%);
  filter:blur(34px);opacity:.65;animation:glowPulse 6s ease-in-out infinite}
@keyframes glowPulse{0%,100%{opacity:.5;transform:scale(.96)}50%{opacity:.72;transform:scale(1.04)}}
.fb-dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 0 var(--teal);animation:ping 1.8s infinite;display:inline-block;margin-right:2px}
.glass-card{width:100%;background:var(--card-strong);border:1px solid var(--border-strong);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);backdrop-filter:blur(18px);padding:20px;transform-style:preserve-3d}
.gc-head{display:flex;align-items:center;gap:11px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.gc-head img{width:34px;height:34px;border-radius:9px}
.gc-head strong{display:block;font-size:.95rem}
.gc-head small{color:var(--muted);font-size:.76rem}
.gc-live{margin-left:auto;font-size:.72rem;color:var(--teal);font-weight:600}
.gc-body{padding-top:16px;display:flex;flex-direction:column;gap:12px}
.bubble{padding:11px 14px;border-radius:14px;font-size:.88rem;max-width:90%}
.bubble.user{align-self:flex-end;background:var(--grad);color:#fff;border-bottom-right-radius:4px}
.bubble.ai{align-self:flex-start;background:rgba(154,167,255,.12);border:1px solid var(--border);border-bottom-left-radius:4px}
.typing{display:inline-flex;gap:4px;vertical-align:middle}
.typing i{width:6px;height:6px;border-radius:50%;background:var(--accent-2);animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,100%{opacity:.3}50%{opacity:1}}
.ai-text{margin-top:8px;opacity:0;animation:fadein .6s 1.1s forwards}
@keyframes fadein{to{opacity:1}}
.ai-text b{color:var(--teal)}
.gc-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.gc-chips span{font-size:.68rem;font-weight:600;color:var(--accent-2);background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.25);padding:3px 9px;border-radius:999px}
.float-badge{position:absolute;display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;padding:9px 16px;border-radius:999px;
  background:var(--card-strong);border:1px solid var(--border-strong);box-shadow:var(--shadow);backdrop-filter:blur(12px);white-space:nowrap;
  animation:floaty 6s ease-in-out infinite}
.fb1{top:14%;left:6%;animation-delay:0s}
.fb2{top:44%;right:2%;animation-delay:-2s}
.fb3{top:74%;left:14%;animation-delay:-4s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}

/* marquee */
.marquee{margin-top:44px;overflow:hidden;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:16px 0;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:flex;gap:26px;width:max-content;animation:scrollx 28s linear infinite;font-weight:600;color:var(--muted);font-size:.92rem;letter-spacing:.02em}
.marquee-track span:not(:nth-child(2n)){color:var(--text)}
@keyframes scrollx{to{transform:translateX(-50%)}}

/* feature grid */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px;transition:transform .3s,border-color .3s,box-shadow .3s;will-change:transform;backdrop-filter:blur(8px)}
.feature-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow)}
.feature-card.big{grid-column:span 2;grid-row:span 1}
.fc-ic{width:54px;height:54px;display:grid;place-items:center;border-radius:16px;margin-bottom:18px;color:var(--accent);
  background:linear-gradient(150deg,color-mix(in srgb,var(--accent) 18%,transparent),color-mix(in srgb,var(--accent-2) 12%,transparent));
  border:1px solid var(--border-strong);box-shadow:inset 0 1px 0 rgba(255,255,255,.25);transition:transform .35s cubic-bezier(.2,.8,.2,1)}
.fc-svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.feature-card:hover .fc-ic{transform:translateY(-3px) scale(1.05)}
.feature-card h3{font-size:1.18rem;font-weight:700;margin-bottom:9px}
.feature-card p{color:var(--text-2);font-size:.95rem}
.fc-tag{margin-top:16px;font-size:.74rem;font-weight:600;color:var(--accent-2);letter-spacing:.03em}
@media (max-width:980px){.feature-grid{grid-template-columns:repeat(2,1fr)}.feature-card.big{grid-column:span 2}}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:34px 28px;position:relative;overflow:hidden;backdrop-filter:blur(8px)}
.step-n{font-family:var(--mono);font-size:3.4rem;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;opacity:.5;line-height:1}
.step h3{font-size:1.22rem;margin:14px 0 10px}
.step p{color:var(--text-2);font-size:.96rem}

/* models constellation hub */
.models-hub{display:grid;place-items:center;margin-top:4px}
.hub-stage{position:relative;width:min(540px,92vw);aspect-ratio:1/1;display:grid;place-items:center}
.hub-orbit{position:absolute;border-radius:50%;pointer-events:none}
.hub-orbit-a{width:60%;height:60%;border:1px dashed var(--border-strong);opacity:.7;animation:spin 38s linear infinite}
.hub-orbit-b{width:90%;height:90%;border:1px solid var(--border);opacity:.45;animation:spin 64s linear infinite reverse}
.hub-core{position:relative;z-index:4;width:130px;height:130px;border-radius:30px;display:grid;place-items:center;
  background:var(--card-strong);border:1px solid var(--border-strong);box-shadow:0 0 60px var(--glow);
  -webkit-backdrop-filter:blur(16px) saturate(160%);backdrop-filter:blur(16px) saturate(160%)}
.hub-core img{width:62px;height:62px;border-radius:14px}
.hub-core-label{position:absolute;bottom:-26px;font-size:.7rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-2);white-space:nowrap}
.hub-pulse{position:absolute;inset:0;border-radius:30px;border:1px solid var(--accent-2);opacity:0;animation:hubpulse 3.4s ease-out infinite}
.hub-pulse-2{animation-delay:1.7s}
@keyframes hubpulse{0%{transform:scale(1);opacity:.55}100%{transform:scale(1.85);opacity:0}}
.hub-node{position:absolute;top:50%;left:50%;display:inline-flex;align-items:center;gap:8px;
  font-weight:600;font-size:.86rem;padding:9px 15px;border-radius:999px;background:var(--card-strong);
  border:1px solid var(--border-strong);box-shadow:var(--shadow);white-space:nowrap;z-index:3;
  -webkit-backdrop-filter:blur(14px) saturate(160%);backdrop-filter:blur(14px) saturate(160%);
  transform:translate(-50%,-50%) rotate(var(--a)) translate(min(252px,43vw)) rotate(calc(-1*var(--a)));
  animation:hubfloat 7s ease-in-out infinite;transition:border-color .25s,box-shadow .25s}
.hub-node:nth-child(2n){animation-delay:-3.5s}
.hub-node:hover{border-color:var(--accent-2);box-shadow:0 0 26px var(--glow)}
.hn-dot{width:9px;height:9px;border-radius:50%;background:var(--grad);box-shadow:0 0 10px var(--glow)}
@keyframes hubfloat{0%,100%{margin-top:0}50%{margin-top:-9px}}

/* models flow legend */
.models-flow{display:flex;align-items:stretch;gap:14px;max-width:1000px;margin:clamp(40px,6vw,64px) auto 0;flex-wrap:wrap;justify-content:center}
.mf-card{flex:1 1 0;min-width:0;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;
  -webkit-backdrop-filter:blur(12px) saturate(150%);backdrop-filter:blur(12px) saturate(150%);position:relative;overflow:hidden}
.mf-card::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.12)}
.mf-step{font-family:var(--mono);font-size:.82rem;font-weight:700;color:var(--accent-2);letter-spacing:.1em}
.mf-card h4{margin:8px 0 8px;font-size:1.12rem;font-weight:700}
.mf-card p{color:var(--text-2);font-size:.92rem}
.mf-arrow{display:grid;place-items:center;color:var(--accent-2);font-size:1.6rem;font-weight:700;opacity:.55}
@media(max-width:760px){.models-flow{flex-direction:column}.mf-card{width:100%;flex:0 0 auto}.mf-arrow{transform:rotate(90deg);height:24px}}
@media(max-width:560px){.hub-node{font-size:.74rem;padding:7px 11px;transform:translate(-50%,-50%) rotate(var(--a)) translate(min(132px,34vw)) rotate(calc(-1*var(--a)))}}
@keyframes spin{to{transform:rotate(360deg)}}

/* showcase */
.showcase{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.show-window{background:var(--card-strong);border:1px solid var(--border-strong);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);backdrop-filter:blur(14px)}
.sw-bar{display:flex;align-items:center;gap:7px;padding:13px 16px;border-bottom:1px solid var(--border);background:rgba(0,0,0,.12)}
.sw-bar i{width:11px;height:11px;border-radius:50%;background:var(--muted);opacity:.6}
.sw-bar i:nth-child(1){background:#ff5f57}.sw-bar i:nth-child(2){background:#febc2e}.sw-bar i:nth-child(3){background:#28c840}
.sw-bar span{margin-left:10px;font-family:var(--mono);font-size:.78rem;color:var(--muted)}
.sw-body{padding:22px;display:flex;flex-direction:column;gap:14px}
.sw-row{padding:13px 16px;border-radius:14px;font-size:.92rem}
.sw-user{align-self:flex-end;background:var(--grad);color:#fff;max-width:80%}
.sw-ai{background:rgba(154,167,255,.1);border:1px solid var(--border)}
.sw-ai strong{color:var(--accent-2);font-size:.82rem}
.sw-ai ol{margin:8px 0 8px 18px;color:var(--text-2)}
.sw-ai .muted{font-size:.78rem;color:var(--muted)}
.show-points{list-style:none;display:flex;flex-direction:column;gap:18px}
.show-points li{padding-left:26px;position:relative;color:var(--text-2)}
.show-points li b{color:var(--text)}
.show-points li::before{content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:50%;background:var(--grad);box-shadow:0 0 12px var(--glow)}

/* owner */
.owner{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:start}
.owner-card{background:var(--card-strong);border:1px solid var(--border-strong);border-radius:var(--radius-lg);padding:34px;text-align:center;backdrop-filter:blur(14px);box-shadow:var(--shadow);position:sticky;top:100px}
.owner-photo{position:relative;width:100%;max-width:300px;margin:0 auto 22px;border-radius:22px;padding:10px;
  background:linear-gradient(160deg,rgba(124,131,255,.22),rgba(34,211,238,.12));
  border:1px solid var(--border-strong);box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 20px 50px var(--glow)}
.owner-photo img{width:100%;aspect-ratio:287/350;object-fit:contain;border-radius:16px;display:block;
  background:radial-gradient(circle at 50% 30%,rgba(124,131,255,.18),rgba(10,15,34,.4));}
.owner-status{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);white-space:nowrap;
  font-size:.74rem;font-weight:600;color:#062;background:rgba(255,255,255,.92);
  padding:5px 12px;border-radius:999px;box-shadow:0 8px 20px rgba(0,0,0,.25)}
.owner-status::first-letter{color:#16a34a}
.owner-card h3{font-size:1.5rem;font-weight:800}
.owner-role{color:var(--accent-2);font-weight:600;margin-top:4px}
.owner-loc{color:var(--muted);font-size:.9rem;margin-top:10px}
.owner-links{display:flex;gap:10px;justify-content:center;margin-top:20px;flex-wrap:wrap}
.owner-links a{font-size:.85rem;font-weight:600;padding:8px 16px;border-radius:11px;background:var(--card);border:1px solid var(--border);transition:.2s}
.owner-links a:hover{border-color:var(--accent-2);color:var(--accent-2);transform:translateY(-2px)}
.owner-bio{font-size:1.08rem;color:var(--text-2);margin-bottom:24px}
.owner-bio b{color:var(--text)}
.owner-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.og-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;backdrop-filter:blur(8px)}
.og-card h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;color:var(--accent-2);margin-bottom:12px}
.og-card ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.og-card li{font-size:.9rem;color:var(--text-2)}
.og-card li b{color:var(--text)}
.skill-tags{display:flex;flex-wrap:wrap;gap:7px}
.skill-tags span{font-size:.76rem;font-weight:600;padding:5px 11px;border-radius:999px;background:rgba(109,107,255,.12);border:1px solid var(--border);color:var(--text)}

/* CTA band */
.cta-band{max-width:1180px;margin:10px auto;padding:0 24px;position:relative;z-index:2}
.cta-inner{background:var(--grad);border-radius:var(--radius-lg);padding:clamp(40px,7vw,80px);text-align:center;position:relative;overflow:hidden;box-shadow:0 30px 80px var(--glow)}
.cta-inner::before{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Cpath d='M0 20h40M20 0v40' stroke='rgba(255,255,255,.1)' stroke-width='1'/%3E%3C/svg%3E")}
.cta-inner h2{font-size:clamp(1.8rem,4.4vw,3rem);font-weight:800;color:#fff;letter-spacing:-.02em;position:relative}
.cta-inner h2 .grad{background:rgba(255,255,255,.9);-webkit-background-clip:text;background-clip:text;color:transparent}
.cta-inner p{color:rgba(255,255,255,.86);margin:16px 0 30px;font-size:1.1rem;position:relative}
.cta-inner .btn-primary{background:#fff;color:#1a1f44;position:relative;box-shadow:0 14px 40px rgba(0,0,0,.3)}

/* faq */
.faq{max-width:780px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:4px 20px;backdrop-filter:blur(8px);transition:.2s}
.faq details[open]{border-color:var(--border-strong)}
.faq summary{display:flex;align-items:center;justify-content:space-between;cursor:pointer;list-style:none;padding:16px 0;font-weight:600;font-size:1.02rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{width:20px;height:20px;position:relative;flex-shrink:0}
.faq summary i::before,.faq summary i::after{content:"";position:absolute;background:var(--accent-2);border-radius:2px;transition:.3s}
.faq summary i::before{top:9px;left:2px;right:2px;height:2px}
.faq summary i::after{left:9px;top:2px;bottom:2px;width:2px}
.faq details[open] summary i::after{transform:rotate(90deg);opacity:0}
.faq p{padding:0 0 18px;color:var(--text-2)}

/* footer */
.footer{position:relative;z-index:2;border-top:1px solid var(--border);margin-top:40px;padding:60px 24px 30px;background:color-mix(in srgb,var(--bg) 80%,transparent);backdrop-filter:blur(10px)}
.foot-grid{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.foot-brand p{color:var(--text-2);margin:14px 0 18px;font-size:.94rem;max-width:300px}
.foot-col h5{font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;color:var(--accent-2);margin-bottom:14px}
.foot-col a{display:block;color:var(--text-2);font-size:.92rem;margin-bottom:10px;transition:.2s}
.foot-col a:hover{color:var(--text);transform:translateX(3px)}
.foot-bottom{max-width:1180px;margin:40px auto 0;padding-top:24px;border-top:1px solid var(--border);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:.86rem}

/* reveal */
.reveal,[data-reveal]{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1)}
.reveal.in,[data-reveal].in{opacity:1;transform:none}

/* responsive */
@media (max-width:900px){
  .nav{padding:12px 18px}
  .nav-links{display:flex;position:absolute;top:100%;left:12px;right:12px;flex-direction:column;gap:4px;background:var(--card-strong);border:1px solid var(--border);border-radius:16px;padding:12px;backdrop-filter:blur(18px);box-shadow:var(--shadow);
    opacity:0;visibility:hidden;transform:translateY(-14px) scale(.97);transform-origin:top right;
    transition:opacity .34s cubic-bezier(.2,.9,.3,1.1),transform .34s cubic-bezier(.2,.9,.3,1.1),visibility .34s}
  .nav-links.open{opacity:1;visibility:visible;transform:translateY(0) scale(1)}
  .nav-links a{padding:12px 14px;border-radius:10px;font-size:1rem;opacity:0;transform:translateY(-8px);transition:opacity .3s ease,transform .3s ease,background .2s,color .2s}
  .nav-links.open a{opacity:1;transform:none}
  .nav-links.open a:nth-child(1){transition-delay:.06s}
  .nav-links.open a:nth-child(2){transition-delay:.10s}
  .nav-links.open a:nth-child(3){transition-delay:.14s}
  .nav-links.open a:nth-child(4){transition-delay:.18s}
  .nav-links.open a:nth-child(5){transition-delay:.22s}
  .nav-links.open a:nth-child(6){transition-delay:.26s}
  .nav-links.open a:nth-child(7){transition-delay:.30s}
  .nav-cta{margin-left:auto;gap:8px}
  .burger{display:flex;margin-left:10px}
  .nav-cta .btn-primary{display:none}
  .hero{min-height:auto;padding:104px 22px 0}
  .hero-inner{grid-template-columns:1fr;gap:24px}
  .hero-visual{display:none}
  .hero-title{font-size:clamp(2.1rem,9vw,3.2rem)}
  .hero-sub{font-size:1.04rem}
  .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
  .hero-stats b{font-size:1.7rem}
  .hero-stats span:not(.suffix){font-size:.78rem;max-width:none}
  .showcase,.owner{grid-template-columns:1fr}
  .owner-card{position:relative;top:auto}
  .steps{grid-template-columns:1fr}
  .owner-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:24px}
  .foot-brand{grid-column:1/-1}
}
@media (max-width:560px){
  .feature-grid{grid-template-columns:1fr}.feature-card.big{grid-column:span 1}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%;justify-content:center}
  .section-head p{font-size:.98rem}
  .cta-inner{padding:36px 22px}
  .owner-grid{grid-template-columns:1fr}
  .step,.feature-card,.mf-card,.og-card{padding:24px 22px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ===== v2 polish: scroll cue, directional reveals, deeper glass ===== */

/* Hero scroll cue */
.scroll-cue{position:absolute;left:50%;bottom:122px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--muted);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;font-weight:600;transition:opacity .4s;z-index:4}
.sc-mouse{width:24px;height:38px;border:2px solid var(--border-strong);border-radius:14px;display:flex;justify-content:center;padding-top:7px}
.sc-wheel{width:4px;height:8px;border-radius:3px;background:var(--accent-2);animation:wheel 1.7s infinite}
@keyframes wheel{0%{opacity:0;transform:translateY(-4px)}30%{opacity:1}70%{opacity:1;transform:translateY(7px)}100%{opacity:0;transform:translateY(11px)}}
.scroll-cue.hide{opacity:0;pointer-events:none}
@media (max-width:900px){.scroll-cue{display:none}}

/* Directional reveal variants (set by JS based on scroll direction & position) */
.reveal,[data-reveal]{opacity:0;transform:translateY(40px);transition:opacity .9s cubic-bezier(.16,.84,.3,1),transform .9s cubic-bezier(.16,.84,.3,1);will-change:opacity,transform}
.reveal.in,[data-reveal].in{opacity:1;transform:none}
[data-reveal].from-left{transform:perspective(1100px) translateX(-56px) rotateY(9deg)}
[data-reveal].from-right{transform:perspective(1100px) translateX(56px) rotateY(-9deg)}
[data-reveal].from-scale{transform:perspective(1100px) scale(.9) rotateX(10deg)}
[data-reveal].from-up{transform:perspective(1100px) translateY(-40px) rotateX(-12deg)}
[data-reveal].in.from-left,[data-reveal].in.from-right,[data-reveal].in.from-scale,[data-reveal].in.from-up{transform:none}

/* Deeper glassmorphism on key surfaces */
.glass-card,.show-window,.owner-card,.feature-card,.step,.og-card,.faq details,.pill,.float-badge,.hub-core,.hub-node,.mf-card{
  -webkit-backdrop-filter:blur(16px) saturate(150%);backdrop-filter:blur(16px) saturate(150%);
}
.glass-card,.show-window,.owner-card,.cta-inner{position:relative}
.glass-card::after,.show-window::after,.owner-card::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(180deg,rgba(255,255,255,.14),transparent 30%);mix-blend-mode:overlay}
.feature-card::before,.step::before,.og-card::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12)}
.feature-card,.step,.og-card{position:relative;overflow:hidden}
.feature-card::after{content:"";position:absolute;width:160px;height:160px;border-radius:50%;top:-60px;right:-50px;
  background:radial-gradient(circle,var(--glow),transparent 70%);opacity:0;transition:opacity .4s}
.feature-card:hover::after{opacity:.5}

/* nicer hover lift */
.feature-card,.step,.og-card{transition:transform .35s cubic-bezier(.2,.8,.2,1),border-color .35s,box-shadow .35s}
.feature-card:hover,.step:hover,.og-card:hover{box-shadow:var(--shadow)}

/* section heading gradient accent line */
.section-head .kicker::before{content:"";display:inline-block;width:26px;height:1px;background:var(--accent-2);vertical-align:middle;margin-right:10px;opacity:.7}
.section-head .kicker::after{content:"";display:inline-block;width:26px;height:1px;background:var(--accent-2);vertical-align:middle;margin-left:10px;opacity:.7}

/* reduced-motion safety re-affirm */
@media (prefers-reduced-motion:reduce){.reveal,[data-reveal]{opacity:1!important;transform:none!important}.sc-wheel{animation:none}}


/* ===== v3 polish: senior UI/UX pass ===== */

/* featured card gets a soft brand wash + larger title */
.feature-card.big{background:linear-gradient(155deg,color-mix(in srgb,var(--accent) 10%,var(--card)),var(--card))}
.feature-card.big h3{font-size:1.34rem}
.feature-card.big .fc-ic{width:60px;height:60px;border-radius:18px}
.feature-card.big .fc-svg{width:28px;height:28px}

/* keyboard focus ring (accessibility) */
a:focus-visible,button:focus-visible,.btn:focus-visible,summary:focus-visible,details:focus-visible{
  outline:2px solid var(--accent-2);outline-offset:3px;border-radius:10px}

/* soft illustrative accents floating behind section headers */
#features,#models{position:relative}
#features::before,#models::before{content:"";position:absolute;z-index:-1;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,color-mix(in srgb,var(--accent-2) 22%,transparent),transparent 68%);
  filter:blur(30px);opacity:.5;top:-40px;right:-60px;pointer-events:none}
#models::before{left:-80px;right:auto;background:radial-gradient(circle,color-mix(in srgb,var(--accent) 22%,transparent),transparent 68%)}

/* crisper kbd keycaps */
kbd{box-shadow:0 1px 0 var(--border-strong),inset 0 1px 0 rgba(255,255,255,.4)}

/* feature card lifts a touch more on hover */
.feature-card:hover{transform:translateY(-4px)}

/* hero stat numbers tighter */
.hero-stats b{letter-spacing:-.02em}

/* refined fb dot per badge for a tidy status-list feel */
.fb2 .fb-dot{background:var(--accent-2)}
.fb3 .fb-dot{background:var(--accent)}


/* ===== Architecture flow diagram ===== */
.arch{max-width:1060px;margin:0 auto}
.arch-rail{display:flex;align-items:stretch;gap:0}
.arch-node{flex:1 1 0;min-width:0;text-align:center;padding:22px 16px;border-radius:var(--radius);
  background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);position:relative;
  -webkit-backdrop-filter:blur(14px) saturate(150%);backdrop-filter:blur(14px) saturate(150%);
  animation:nodeGlow 4.2s ease-in-out infinite;animation-delay:calc(var(--d)*.55s)}
.arch-node-key{border-color:var(--border-strong);background:linear-gradient(155deg,color-mix(in srgb,var(--accent) 13%,var(--card)),var(--card))}
@keyframes nodeGlow{0%,100%{box-shadow:var(--shadow)}50%{box-shadow:var(--shadow),0 0 26px var(--glow)}}
.arch-ic{width:50px;height:50px;margin:0 auto 14px;display:grid;place-items:center;border-radius:14px;color:var(--accent);
  background:linear-gradient(150deg,color-mix(in srgb,var(--accent) 18%,transparent),color-mix(in srgb,var(--accent-2) 12%,transparent));
  border:1px solid var(--border-strong);box-shadow:inset 0 1px 0 rgba(255,255,255,.25)}
.arch-node h4{font-size:1.02rem;font-weight:700}
.arch-node span{display:block;margin-top:7px;font-size:.8rem;color:var(--muted);line-height:1.5}
.arch-conn{flex:0 0 50px;align-self:center;position:relative;height:2px;border-radius:2px;background:var(--border-strong)}
.arch-conn::before{content:"";position:absolute;inset:0;border-radius:2px;background:linear-gradient(90deg,transparent,var(--accent-2),transparent);background-size:200% 100%;animation:flowx 2.4s linear infinite}
.arch-conn::after{content:"";position:absolute;top:50%;margin-top:-4.5px;width:9px;height:9px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 12px var(--accent-2);animation:travelx 2.4s linear infinite}
@keyframes flowx{0%{background-position:200% 0}100%{background-position:-200% 0}}
@keyframes travelx{0%{left:-4px;opacity:0}12%{opacity:1}88%{opacity:1}100%{left:calc(100% - 4px);opacity:0}}

.arch-bus{position:relative;height:2px;margin-top:40px;border-radius:2px;background:var(--border-strong)}
.arch-bus::before{content:"";position:absolute;inset:0;border-radius:2px;background:linear-gradient(90deg,transparent,var(--accent),var(--accent-2),transparent);background-size:200% 100%;animation:flowx 3s linear infinite}
.arch-bus-label{position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--bg);padding:0 14px;font-size:.74rem;font-weight:600;letter-spacing:.05em;color:var(--accent-2);white-space:nowrap}

.arch-providers{margin-top:28px;display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.arch-prov{position:relative;display:flex;align-items:center;justify-content:center;gap:7px;text-align:center;
  font-size:.84rem;font-weight:600;padding:13px 10px;border-radius:14px;background:var(--card-strong);
  border:1px solid var(--border-strong);box-shadow:var(--shadow);
  -webkit-backdrop-filter:blur(12px) saturate(150%);backdrop-filter:blur(12px) saturate(150%);
  animation:provPulse 3.2s ease-in-out infinite;animation-delay:calc(var(--d)*.32s)}
.arch-prov::before{content:"";position:absolute;top:-28px;left:50%;transform:translateX(-50%);width:2px;height:28px;background:linear-gradient(var(--accent-2),transparent);opacity:.6}
.arch-prov::after{content:"";position:absolute;top:-28px;left:50%;margin-left:-3.5px;width:7px;height:7px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 10px var(--accent-2);animation:dropTravel 2.6s linear infinite;animation-delay:calc(var(--d)*.32s)}
@keyframes dropTravel{0%{top:-28px;opacity:0}16%{opacity:1}84%{opacity:1}100%{top:8px;opacity:0}}
.ap-dot{width:8px;height:8px;border-radius:50%;background:var(--grad);box-shadow:0 0 8px var(--glow);flex:0 0 auto}
@keyframes provPulse{0%,100%{box-shadow:var(--shadow)}50%{box-shadow:var(--shadow),0 0 18px var(--glow)}}

.arch-return{position:relative;height:2px;margin-top:36px;border-radius:2px;background:var(--border-strong)}
.arch-return::before{content:"";position:absolute;inset:0;border-radius:2px;background:linear-gradient(90deg,transparent,var(--teal),transparent);background-size:200% 100%;animation:flowxr 3s linear infinite}
@keyframes flowxr{0%{background-position:-200% 0}100%{background-position:200% 0}}
.arch-return-label{position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--bg);padding:0 14px;font-size:.74rem;font-weight:600;color:var(--teal);white-space:nowrap}

@media (max-width:860px){
  .arch-rail{flex-direction:column;align-items:stretch}
  .arch-conn{flex:0 0 36px;width:2px;height:36px;margin:0 auto;align-self:center}
  .arch-conn::before{background:linear-gradient(180deg,transparent,var(--accent-2),transparent);background-size:100% 200%;animation:flowy 2.4s linear infinite}
  .arch-conn::after{left:50%;margin-left:-4.5px;top:-4px;margin-top:0;animation:travely 2.4s linear infinite}
  .arch-providers{grid-template-columns:repeat(3,1fr)}
}
@keyframes flowy{0%{background-position:0 200%}100%{background-position:0 -200%}}
@keyframes travely{0%{top:-4px;opacity:0}12%{opacity:1}88%{opacity:1}100%{top:calc(100% - 4px);opacity:0}}
@media (max-width:520px){.arch-providers{grid-template-columns:repeat(2,1fr)}}


/* ===== Launch loader: 3D gyroscope -> charge -> blast -> reveal ===== */
html.loading,body.loading{overflow:hidden}
.loader{position:fixed;inset:0;z-index:9999;display:grid;place-items:center;overflow:hidden;perspective:1000px;
  background:radial-gradient(circle at 50% 50%,#0e1430 0%,#070a18 55%,#04060f 100%);
  animation:loaderOut .6s ease 2.5s forwards}
@keyframes loaderOut{to{opacity:0;visibility:hidden}}

.ldr-aura{position:absolute;inset:0;overflow:hidden;filter:blur(64px);opacity:.55;animation:auraFade .5s 1.9s forwards}
.ldr-aura span{position:absolute;width:60vw;height:60vw;border-radius:50%;animation:auraDrift 7s ease-in-out infinite}
.ldr-aura span:nth-child(1){background:radial-gradient(circle,#4f46e5,transparent 62%);left:-14vw;top:-12vw}
.ldr-aura span:nth-child(2){background:radial-gradient(circle,#22d3ee,transparent 62%);right:-14vw;bottom:-12vw;animation-delay:-3.5s}
@keyframes auraDrift{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(5vw,4vw) scale(1.12)}}
@keyframes auraFade{to{opacity:0}}

.ldr-progress{position:absolute;width:216px;height:216px;border-radius:50%;z-index:1;
  background:conic-gradient(#22d3ee calc(var(--p,0)*360deg),rgba(255,255,255,.07) 0);
  -webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 4px),#000 calc(100% - 3px));
  mask:radial-gradient(farthest-side,transparent calc(100% - 4px),#000 calc(100% - 3px));
  filter:drop-shadow(0 0 12px rgba(34,211,238,.65));animation:progOut .45s 1.92s forwards}
@keyframes progOut{to{opacity:0;transform:scale(1.35)}}
.gyro-ring::after{content:"";position:absolute;top:-5px;left:50%;width:9px;height:9px;margin-left:-4.5px;border-radius:50%;
  background:#fff;box-shadow:0 0 14px #22d3ee,0 0 6px #fff}
.gr2::after{box-shadow:0 0 14px #7c83ff,0 0 6px #fff}
.gr3::after{box-shadow:0 0 14px #2dd4bf,0 0 6px #fff}

.ldr-grid{position:absolute;inset:-2px;opacity:.22;
  background-image:linear-gradient(rgba(124,131,255,.22) 1px,transparent 1px),linear-gradient(90deg,rgba(124,131,255,.22) 1px,transparent 1px);
  background-size:46px 46px;-webkit-mask:radial-gradient(circle at 50% 50%,#000,transparent 70%);mask:radial-gradient(circle at 50% 50%,#000,transparent 70%);
  animation:gridIn 1.6s ease both,gridOut .5s 1.9s forwards}
@keyframes gridIn{0%{opacity:0;transform:scale(1.12)}100%{opacity:.22;transform:scale(1)}}
@keyframes gridOut{to{opacity:0}}

.ldr-core{position:relative;width:190px;height:190px;display:grid;place-items:center;transform-style:preserve-3d}
.ldr-gyro{position:absolute;inset:0;margin:auto;width:190px;height:190px;transform-style:preserve-3d;
  animation:gyroBlast .55s 1.95s forwards}
@keyframes gyroBlast{0%{transform:scale(1);opacity:1}100%{transform:scale(2.6) rotateZ(35deg);opacity:0}}
.gyro-ring{position:absolute;inset:0;margin:auto;border-radius:50%;border:2px solid transparent;box-shadow:0 0 18px rgba(124,131,255,.25)}
.gr1{width:178px;height:178px;border-top-color:#22d3ee;border-bottom-color:#22d3ee;animation:gx 1.9s linear infinite}
.gr2{width:138px;height:138px;border-left-color:#7c83ff;border-right-color:#7c83ff;animation:gy 1.5s linear infinite}
.gr3{width:100px;height:100px;border-top-color:#2dd4bf;border-left-color:#2dd4bf;animation:gz 1.15s linear infinite}
@keyframes gx{to{transform:rotateX(360deg)}}
@keyframes gy{to{transform:rotateY(360deg)}}
@keyframes gz{to{transform:rotateZ(360deg)}}

.ldr-logo{width:82px;height:82px;border-radius:22px;position:relative;z-index:2;transform:translateZ(40px);
  filter:drop-shadow(0 0 28px rgba(124,131,255,.75));
  animation:logoIn .9s cubic-bezier(.2,.9,.3,1.25) both,logoFloat 3s ease-in-out 1s infinite,logoOut .5s 1.95s forwards}
@keyframes logoIn{0%{opacity:0;transform:translateZ(40px) scale(.3) rotate(-14deg)}100%{opacity:1;transform:translateZ(40px) scale(1) rotate(0)}}
@keyframes logoFloat{0%,100%{filter:drop-shadow(0 0 22px rgba(124,131,255,.6))}50%{filter:drop-shadow(0 0 38px rgba(34,211,238,.85))}}
@keyframes logoOut{0%{opacity:1;transform:translateZ(40px) scale(1)}100%{opacity:0;transform:translateZ(120px) scale(2)}}

.ldr-flash{position:absolute;width:60px;height:60px;border-radius:50%;
  background:radial-gradient(circle,#fff 0%,rgba(124,131,255,.55) 35%,transparent 70%);opacity:0;
  animation:flash .7s ease-out 1.95s forwards}
@keyframes flash{0%{opacity:0;transform:scale(.4)}28%{opacity:.95}100%{opacity:0;transform:scale(18)}}

.ldr-shock{position:absolute;width:44px;height:44px;border-radius:50%;border:2px solid rgba(124,131,255,.75);opacity:0;
  animation:shock 1.15s cubic-bezier(.2,.7,.2,1) 1.95s forwards}
.ldr-shock2{border-color:rgba(34,211,238,.6);animation-delay:2.08s}
@keyframes shock{0%{opacity:.9;transform:scale(0)}100%{opacity:0;transform:scale(70)}}

.ldr-particles{position:absolute;inset:0;pointer-events:none}
.ldr-particles i{position:absolute;left:50%;top:50%;width:7px;height:7px;border-radius:50%;opacity:0;
  box-shadow:0 0 10px currentColor;animation:burst 1s cubic-bezier(.15,.7,.2,1) 1.95s forwards}
@keyframes burst{0%{opacity:0;transform:translate(-50%,-50%) scale(.3)}18%{opacity:1}100%{opacity:0;transform:translate(calc(-50% + var(--x)),calc(-50% + var(--y))) scale(1)}}

.ldr-pct{position:absolute;top:calc(50% + 120px);left:0;right:0;text-align:center;font-family:var(--mono);
  font-size:1.9rem;font-weight:700;color:#fff;letter-spacing:.02em;text-shadow:0 0 18px rgba(34,211,238,.5);
  animation:lblOut .4s 1.9s forwards}
.ldr-pct::after{content:"%";font-size:.9rem;opacity:.65;margin-left:3px;vertical-align:super}
.ldr-label{position:absolute;bottom:15%;left:0;right:0;text-align:center;font-family:var(--mono);
  font-size:.7rem;letter-spacing:.42em;text-indent:.42em;color:#9aa7ff;
  animation:lblPulse 1.1s ease-in-out infinite,lblOut .4s 1.9s forwards}
@keyframes lblPulse{0%,100%{opacity:.4}50%{opacity:1}}
@keyframes lblOut{to{opacity:0;transform:translateY(8px)}}

@media (prefers-reduced-motion:reduce){.loader{display:none!important}}


/* ===== Digital Knowledge River ===== */
.river{position:relative;max-width:1100px;margin:0 auto;height:clamp(330px,46vw,470px);border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border-strong);box-shadow:var(--shadow);
  background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 7%,transparent),transparent);
  -webkit-backdrop-filter:blur(8px) saturate(140%);backdrop-filter:blur(8px) saturate(140%)}
.river-svg{position:absolute;inset:0;width:100%;height:100%}
.river-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;pointer-events:none;z-index:1}
.river-labels{position:absolute;inset:0;z-index:2;pointer-events:none;overflow:hidden}
.river-label{position:absolute;left:0;top:0;white-space:nowrap;font-size:.74rem;font-weight:600;color:var(--text);
  padding:5px 12px;border-radius:999px;background:var(--card-strong);border:1px solid var(--border-strong);box-shadow:var(--shadow);
  -webkit-backdrop-filter:blur(9px);backdrop-filter:blur(9px);will-change:transform,opacity;transition:color .3s,border-color .3s}
.river-label::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;margin-right:7px;vertical-align:middle;box-shadow:0 0 8px var(--glow)}
.river-label.out{color:var(--teal);border-color:color-mix(in srgb,var(--teal) 45%,transparent)}
.river-label.out::before{background:var(--teal);box-shadow:0 0 8px color-mix(in srgb,var(--teal) 60%,transparent)}
.river-label.pop{animation:lblPop .5s cubic-bezier(.2,.9,.3,1.3)}
@keyframes lblPop{0%{filter:brightness(1.9)}100%{filter:brightness(1)}}
.river-cursor{position:absolute;left:0;top:0;width:140px;height:140px;border-radius:50%;z-index:2;pointer-events:none;opacity:0;
  transition:opacity .3s;mix-blend-mode:screen;
  background:radial-gradient(circle,color-mix(in srgb,var(--accent-2) 55%,transparent) 0%,color-mix(in srgb,var(--accent) 30%,transparent) 35%,transparent 70%)}
.river-cursor::after{content:"";position:absolute;inset:42%;border-radius:50%;background:#fff;box-shadow:0 0 16px var(--accent-2)}
.river-hint{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);z-index:3;pointer-events:none;font-size:.72rem;font-weight:600;
  letter-spacing:.06em;color:var(--muted);background:var(--card);border:1px solid var(--border);border-radius:999px;
  padding:5px 14px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);opacity:.85}
@media (max-width:600px){.river-hint{display:none}}
.river-fill{animation:riverPulse 6s ease-in-out infinite}
@keyframes riverPulse{0%,100%{opacity:.85}50%{opacity:1}}
.flowline{fill:none;stroke-width:2.5;stroke-linecap:round;stroke-dasharray:16 26;opacity:.85;animation:dashflow 3s linear infinite}
.fl2{stroke-dasharray:10 30;animation-duration:4s;opacity:.55}
.fl3{stroke-dasharray:20 24;animation-duration:2.4s;opacity:.7}
@keyframes dashflow{to{stroke-dashoffset:-84}}

.river-core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:3;display:inline-flex;align-items:center;gap:9px;pointer-events:none;
  padding:12px 20px;border-radius:999px;font-weight:700;font-size:.96rem;white-space:nowrap;
  background:var(--card-strong);border:1px solid var(--border-strong);box-shadow:0 0 40px var(--glow),var(--shadow);
  -webkit-backdrop-filter:blur(16px) saturate(160%);backdrop-filter:blur(16px) saturate(160%)}
.river-core img{width:26px;height:26px;border-radius:7px}
.river-core::after{content:"";position:absolute;inset:-9px;border-radius:999px;pointer-events:none;
  border:1px solid color-mix(in srgb,var(--accent-2) 55%,transparent);opacity:.5;animation:corePulse 3s ease-out infinite}
@keyframes corePulse{0%{transform:scale(1);opacity:.5}100%{transform:scale(1.45);opacity:0}}

.river-tokens{position:absolute;inset:0;pointer-events:none}
.rt{position:absolute;left:-12%;top:var(--y);opacity:0;font-size:.78rem;font-weight:600;color:var(--text);white-space:nowrap;
  padding:6px 13px;border-radius:999px;background:var(--card-strong);border:1px solid var(--border-strong);box-shadow:var(--shadow);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  animation:rtDrift var(--dur,16s) linear infinite;animation-delay:var(--delay,0s)}
.rt-out{color:var(--teal);border-color:color-mix(in srgb,var(--teal) 45%,transparent)}
@keyframes rtDrift{
  0%{left:-12%;top:var(--y);opacity:0}
  8%{opacity:1}
  50%{top:calc(var(--y) - 14px)}
  92%{opacity:1}
  100%{left:108%;top:var(--y);opacity:0}
}

.river-banks{position:absolute;inset:0;z-index:2;pointer-events:none}
.rb{position:absolute;max-width:46%}
.rb-up{top:16px;left:20px}
.rb-down{bottom:18px;right:20px;text-align:right}
.rb b{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color:var(--accent-2);margin-bottom:3px}
.rb span{color:var(--muted);font-size:.82rem}
.rb-down b{color:var(--teal)}
@media (max-width:600px){.rb{max-width:60%}.rb span{font-size:.74rem}.rb-up{top:12px;left:14px}.rb-down{bottom:12px;right:14px}}
.river-head{margin-top:clamp(28px,4vw,46px);margin-bottom:0}