:root {
  --bg: #F5F5F7;
  --surface: #FFFFFF;
  --surface-2: #FAFAFC;
  --ink: #1D1D1F;
  --ink-2: #6E6E73;
  --ink-3: #98989D;
  --line: #E8E8ED;
  --line-strong: #D9D9DE;
  --accent: #E07000;
  --accent-ink: #9A4D00;
  --accent-soft: #FDF3E7;
  --ok: #1D8A4E;
  --ok-soft: #EAF6EF;
  --term-bg: #14161A;
  --term-ink: #D8DBE0;
  --term-dim: #7A7F87;
  --term-green: #6FCB8B;
  --r-sm: 10px; --r-md: 14px; --r-lg: 20px; --r-xl: 28px;
  --shadow-1: 0 1px 2px rgba(20,22,26,.05), 0 4px 14px rgba(20,22,26,.05);
  --shadow-2: 0 2px 6px rgba(20,22,26,.06), 0 16px 44px rgba(20,22,26,.10);
  --shadow-pop: 0 8px 20px rgba(20,22,26,.14), 0 24px 70px rgba(20,22,26,.18);
  --font: -apple-system,BlinkMacSystemFont,"SF Pro Display","Inter","Segoe UI",sans-serif;
  --mono: ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --header-h: 64px;
}
:root[data-theme="dark"] {
  --bg:#0F1115; --surface:#171A20; --surface-2:#1D2129;
  --ink:#F2F3F5; --ink-2:#B7BCC6; --ink-3:#8C93A0;
  --line:#2A2F39; --line-strong:#3A4150;
  --accent-soft:#2A1D10; --accent-ink:#FFB15C;
  --ok-soft:#13281B;
  --shadow-1: 0 1px 2px rgba(0,0,0,.35), 0 4px 14px rgba(0,0,0,.25);
  --shadow-2: 0 2px 6px rgba(0,0,0,.35), 0 16px 44px rgba(0,0,0,.35);
  color-scheme: dark;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit}
::selection{background:rgba(224,112,0,.18)}

/* Frosted glass dynamic header */
.site-header{
  position:fixed;top:10px;left:12px;right:12px;height:var(--header-h);z-index:50;
  border-radius:16px;
  background:rgba(255,255,255,.55);
  border:1px solid rgba(255,255,255,.45);
  box-shadow:0 8px 30px rgba(20,22,26,.08), inset 0 1px 0 rgba(255,255,255,.5);
  backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  transform:translateY(-140%);opacity:0;pointer-events:none;
  transition:transform .32s cubic-bezier(.22,.8,.3,1), opacity .28s ease;
}
:root[data-theme="dark"] .site-header{
  background:rgba(23,26,32,.55);
  border-color:rgba(255,255,255,.08);
  box-shadow:0 8px 30px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.06);
}
.site-header.visible{transform:none;opacity:1;pointer-events:auto}
.nav-inner{max-width:1120px;margin:0 auto;height:100%;padding:0 14px 0 16px;display:flex;align-items:center;gap:16px}
.brand{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:700;letter-spacing:-.01em}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:var(--accent);color:#fff;font-size:11px;font-weight:800;box-shadow:0 4px 12px rgba(224,112,0,.3)}
.brand-text{font-size:14px}
.brand.large .brand-mark{width:34px;height:34px;font-size:12px}
.brand.large .brand-text{font-size:16px}
.nav-links{margin-left:auto;display:flex;gap:18px}
.nav-links a{text-decoration:none;font-size:13.5px;font-weight:600;color:var(--ink-2);padding:6px 2px;border-radius:8px;transition:color .15s}
.nav-links a:hover{color:var(--ink)}
.nav-actions{display:flex;align-items:center;gap:8px}

/* Buttons */
.btn{appearance:none;border:1px solid var(--line);background:var(--surface);color:var(--ink);font:inherit;font-size:13.5px;font-weight:600;padding:9px 14px;border-radius:12px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.15s ease}
.btn:hover{border-color:var(--line-strong);box-shadow:var(--shadow-1);transform:translateY(-1px)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{filter:brightness(.98);box-shadow:0 8px 22px rgba(224,112,0,.28)}
.btn.ghost{background:color-mix(in srgb,var(--surface) 70%,transparent)}
.btn.large{padding:12px 18px;border-radius:14px;font-size:14.5px}
.btn.small{padding:7px 12px;border-radius:10px;font-size:13px}
.icon-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:color-mix(in srgb,var(--surface) 70%,transparent);color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:.15s ease}
.icon-btn:hover{color:var(--ink);border-color:var(--line-strong)}
.icon-moon{display:none}:root[data-theme="dark"] .icon-sun{display:none}:root[data-theme="dark"] .icon-moon{display:block}

/* Hero */
.hero{position:relative;min-height:94vh;display:flex;flex-direction:column;justify-content:center;overflow:hidden;border-bottom:1px solid var(--line);background:var(--surface)}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.orb{position:absolute;border-radius:999px;filter:blur(50px);opacity:.6;animation:float 11s ease-in-out infinite}
.orb-a{width:460px;height:460px;left:-140px;top:-100px;background:radial-gradient(circle,var(--accent-soft),transparent 70%)}
.orb-b{width:420px;height:420px;right:-100px;bottom:8%;background:radial-gradient(circle,#EAF4EE,transparent 70%);animation-delay:-3s}
.orb-c{width:300px;height:300px;right:20%;top:10%;background:radial-gradient(circle,#F3EAFB,transparent 70%);opacity:.35;animation-delay:-6s}
:root[data-theme="dark"] .orb-b{background:radial-gradient(circle,#13281B,transparent 70%)}
:root[data-theme="dark"] .orb-c{background:radial-gradient(circle,#231A2E,transparent 70%)}
.grid-glow{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:52px 52px;opacity:.22;mask-image:radial-gradient(ellipse at 50% 30%,#000 20%,transparent 72%)}
.noise{position:absolute;inset:0;opacity:.025;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-18px)}}
.hero-inner{position:relative;z-index:1;max-width:1120px;margin:0 auto;padding:110px 20px 70px;display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}
.eyebrow{font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-ink)}
.hero h1{margin:10px 0 12px;font-size:clamp(34px,5vw,56px);line-height:1.05;letter-spacing:-.03em}
.accent{color:var(--accent-ink)}
.lede{margin:0;color:var(--ink-2);font-size:17px;max-width:58ch}
.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.hero-stats{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.stat-pill{background:color-mix(in srgb,var(--surface) 75%,transparent);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:13px;color:var(--ink-2);backdrop-filter:blur(6px)}
.stat-pill b{color:var(--ink)}

/* Hero visual */
.hero-visual{position:relative;min-height:440px}
.device-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-pop);overflow:hidden;transform:rotate(-1.2deg);animation:card-float 8s ease-in-out infinite}
@keyframes card-float{0%,100%{transform:rotate(-1.2deg) translateY(0)}50%{transform:rotate(-1.2deg) translateY(-8px)}}
.device-top{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--surface-2)}
.dots-ui{display:flex;gap:6px}.dots-ui i{width:10px;height:10px;border-radius:50%;background:var(--line-strong);display:inline-block}
.dots-ui i:nth-child(1){background:#FF5F57}.dots-ui i:nth-child(2){background:#FEBC2E}.dots-ui i:nth-child(3){background:#28C840}
.device-title{font-size:12px;color:var(--ink-2);font-weight:600;margin:0 auto}
.device-body{padding:14px;display:grid;gap:10px}
.mini-slide,.mini-term,.mini-mission{border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.mini-slide{padding:12px}
.mini-kicker{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-ink)}
.mini-h{font-weight:700;margin:4px 0 8px;font-size:14px}
.mini-lines span{display:block;height:8px;border-radius:999px;background:var(--line);margin-top:6px;width:100%}
.mini-lines .w60{width:60%}.mini-lines .w80{width:80%}
.mini-term{background:var(--term-bg);border-color:#23262C;color:var(--term-ink);font-family:var(--mono);font-size:11.5px;padding:10px 12px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.03)}
.mt-bar{color:#EDEFF2;margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mt-bar span{color:var(--term-green)}
.mt-line{margin-top:3px}.mt-line.ok{color:var(--term-green)}.mt-line.dim{color:var(--term-dim)}
.mt-cursor{width:7px;height:13px;background:#7FB4E8;margin-top:6px;animation:blink 1s steps(1) infinite;border-radius:1px}
@keyframes blink{50%{opacity:0}}
.mini-mission{padding:10px 12px;display:flex;gap:10px;align-items:center}
.check-ui{width:26px;height:26px;border-radius:999px;background:var(--ok-soft);color:var(--ok);display:inline-flex;align-items:center;justify-content:center;font-weight:800}
.mini-mission b{display:block;font-size:13px}.mini-mission small{display:block;font-size:11.5px;color:var(--ink-2)}
.float-pill{position:absolute;background:color-mix(in srgb,var(--surface) 85%,transparent);border:1px solid var(--line);border-radius:999px;padding:7px 12px;font-size:12.5px;font-weight:600;box-shadow:var(--shadow-2);backdrop-filter:blur(8px);display:inline-flex;align-items:center;gap:8px;animation:float 7s ease-in-out infinite}
.pill-dot{width:7px;height:7px;border-radius:50%;background:var(--ok)}.pill-dot.alt{background:var(--accent)}
.float-pill.p1{top:6%;right:-6px}.float-pill.p2{bottom:14%;left:-10px;animation-delay:-2.5s}
.float-card{position:absolute;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:8px 12px;box-shadow:var(--shadow-2);text-align:center;animation:float 9s ease-in-out infinite}
.float-card b{display:block;font-size:16px;color:var(--accent-ink)}.float-card small{font-size:11px;color:var(--ink-2);font-weight:600}
.float-card.fc1{top:42%;right:-22px;animation-delay:-1s}.float-card.fc2{bottom:-6px;right:18%;animation-delay:-4s}
.scroll-hint{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);display:inline-flex;flex-direction:column;align-items:center;gap:2px;color:var(--ink-3);text-decoration:none;font-size:12px;font-weight:600}
.scroll-hint svg{animation:bob 1.8s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(4px)}}

/* Sections */
.section{padding:74px 0;position:relative}
.section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section.alt::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 80% 0%, var(--accent-soft), transparent 45%);opacity:.35;pointer-events:none}
.container{max-width:1120px;margin:0 auto;padding:0 20px;position:relative}
.section-head{margin-bottom:22px}
.section-head.row{display:flex;gap:16px;align-items:flex-end;justify-content:space-between;flex-wrap:wrap}
.section-head h2{margin:8px 0 8px;font-size:30px;letter-spacing:-.02em}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.feature-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;box-shadow:var(--shadow-1);transition:transform .25s cubic-bezier(.22,.8,.3,1), box-shadow .25s ease, border-color .25s ease;position:relative;overflow:hidden;--mx:50%;--my:50%}
.section.alt .feature-card{background:color-mix(in srgb,var(--surface-2) 92%, var(--surface))}
.feature-card.interactive::before{content:"";position:absolute;inset:0;background:radial-gradient(240px circle at var(--mx) var(--my), rgba(224,112,0,.10), transparent 45%);opacity:0;transition:opacity .25s ease;pointer-events:none}
.feature-card.interactive:hover::before{opacity:1}
.f-glow{position:absolute;width:180px;height:180px;right:-60px;top:-70px;border-radius:50%;background:radial-gradient(circle,var(--accent-soft),transparent 70%);opacity:.35;filter:blur(10px);transition:transform .5s ease,opacity .3s ease;pointer-events:none}
.feature-card:hover .f-glow{transform:translate(-20px,20px) scale(1.1);opacity:.55}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:color-mix(in srgb,var(--accent) 25%, var(--line))}
.f-icon{width:38px;height:38px;border-radius:11px;background:var(--accent-soft);color:var(--accent-ink);display:inline-flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:10px;transition:transform .25s ease, box-shadow .25s ease}
.feature-card:hover .f-icon{transform:scale(1.06) rotate(-3deg);box-shadow:0 8px 18px rgba(224,112,0,.18)}
.feature-card h3{margin:0 0 6px;font-size:16px}
.feature-card p{margin:0;color:var(--ink-2);font-size:13.5px}
.f-visual{margin-top:14px;position:relative}

/* Terminal visual */
.term-vis{background:var(--term-bg);border:1px solid #23262C;border-radius:12px;padding:8px 10px;font-family:var(--mono);font-size:10.5px;color:var(--term-ink);box-shadow:inset 0 0 0 1px rgba(255,255,255,.03);overflow:hidden}
.tv-bar{display:flex;gap:5px;margin-bottom:6px}.tv-bar .d{width:7px;height:7px;border-radius:50%}.tv-bar .r{background:#FF5F57}.tv-bar .y{background:#FEBC2E}.tv-bar .g{background:#28C840}
.tv-line{white-space:nowrap;overflow:hidden;line-height:1.55;color:var(--term-dim)}.tv-line .prompt{color:var(--term-green)}.tv-line.ok{color:var(--term-green)}.tv-line.dim{opacity:.8}
.typing{display:inline-block;color:#EDEFF2;max-width:0;vertical-align:bottom;overflow:hidden;border-right:2px solid #7FB4E8;animation:typing 4.5s steps(26,end) infinite, caret .8s steps(1) infinite}
@keyframes typing{0%,10%{max-width:0}45%,75%{max-width:26ch}90%,100%{max-width:0}}
@keyframes caret{50%{border-color:transparent}}

/* Missions visual */
.missions-vis{display:flex;flex-direction:column;gap:6px}
.mv-row{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--ink-2);background:var(--surface-2);border:1px solid var(--line);border-radius:9px;padding:6px 8px;transition:.25s ease}
.mv-row i{width:16px;height:16px;border-radius:50%;background:var(--ok-soft);color:var(--ok);display:inline-flex;align-items:center;justify-content:center;font-style:normal;font-size:10px;font-weight:800;flex:none}
.mv-row span{flex:1}
.mv-row em{width:18px;height:4px;border-radius:999px;background:var(--ok);opacity:.5}
.mv-row.active{border-color:color-mix(in srgb,var(--accent) 35%, var(--line));background:var(--surface)}
.mv-row.active i{background:var(--accent-soft);color:var(--accent)}
.mv-row.active i.pulse{position:relative}.mv-row.active i.pulse::after{content:"";position:absolute;inset:-3px;border-radius:50%;border:2px solid rgba(224,112,0,.35);animation:pulseR 1.6s ease-out infinite}
.mv-row.active em{background:var(--accent);opacity:1;animation:barSlide 1.8s ease-in-out infinite}
.feature-card:hover .mv-row.done{transform:translateX(2px)}
.feature-card:hover .mv-row.active{transform:translateX(4px)}
@keyframes pulseR{0%{transform:scale(.7);opacity:.8}100%{transform:scale(1.5);opacity:0}}
@keyframes barSlide{0%,100%{width:10px}50%{width:22px}}

/* Progress visual */
.progress-vis{display:flex;align-items:center;gap:12px}
.pv-ring{position:relative;width:58px;height:58px;flex:none}
.pv-ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.pv-ring .track{fill:none;stroke:var(--line);stroke-width:6}
.pv-ring .fill{fill:none;stroke:var(--accent);stroke-width:6;stroke-linecap:round;stroke-dasharray:163.4;stroke-dashoffset:52;transition:stroke-dashoffset .6s ease}
.feature-card:hover .pv-ring .fill{stroke-dashoffset:26}
.pv-ring b{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--accent-ink)}
.pv-meta{flex:1;min-width:0}
.pv-bar{height:7px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);overflow:hidden}
.pv-bar em{display:block;height:100%;width:68%;border-radius:999px;background:linear-gradient(90deg,var(--accent),#FFB15C);transition:width .6s ease}
.feature-card:hover .pv-bar em{width:86%}
.pv-meta small{display:block;margin-top:5px;font-size:10.5px;color:var(--ink-3)}
.pv-chips{display:flex;gap:6px;margin-top:5px}.pv-chips span{font-size:10px;font-weight:600;color:var(--ink-2);background:var(--surface-2);border:1px solid var(--line);padding:2px 7px;border-radius:999px}

/* Flow/visuals */
.flow-vis{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.fv-node{padding:6px 10px;border-radius:10px;font-size:11px;font-weight:700;border:1px solid var(--line);background:var(--surface-2)}
.fv-node.n1{color:#00758F;border-color:rgba(0,117,143,.25);background:rgba(0,117,143,.08)}
.fv-node.n2{color:var(--ok);border-color:rgba(29,138,78,.25);background:rgba(29,138,78,.08)}
.fv-pipe{flex:1;min-width:40px;height:8px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);position:relative;overflow:hidden}
.fv-pipe .pkt{position:absolute;top:1px;left:-10px;width:10px;height:4px;border-radius:999px;background:var(--accent);animation:flowPkt 2.2s linear infinite}
.fv-pipe .pkt.p2{animation-delay:.7s;width:7px;opacity:.7}
.fv-pipe .pkt.p3{animation-delay:1.4s;width:8px;opacity:.85}
@keyframes flowPkt{to{left:110%}}
.fv-bars{display:flex;gap:3px;align-items:flex-end;height:22px;margin-left:auto}
.fv-bars i{width:6px;border-radius:3px;background:var(--accent);opacity:.7;animation:barEq 1.4s ease-in-out infinite}
.fv-bars i:nth-child(1){height:40%}.fv-bars i:nth-child(2){height:80%;animation-delay:.2s}.fv-bars i:nth-child(3){height:55%;animation-delay:.4s}.fv-bars i:nth-child(4){height:95%;animation-delay:.1s}
@keyframes barEq{0%,100%{transform:scaleY(.6);opacity:.5}50%{transform:scaleY(1);opacity:.9}}
.feature-card:hover .fv-bars i{animation-duration:1s}

/* Library */
.stats-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.search-wrap input{font:inherit;font-size:14px;padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:var(--surface-2);color:var(--ink);min-width:280px}
.search-wrap input:focus{outline:2px solid rgba(224,112,0,.25);border-color:var(--accent)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:16px}
.lesson-card{background:color-mix(in srgb,var(--surface-2) 90%,var(--surface));border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:transform .18s ease, box-shadow .18s ease}
.lesson-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.preview{height:160px;background:linear-gradient(135deg,var(--surface),var(--accent-soft));border-bottom:1px solid var(--line);display:flex;align-items:flex-end;padding:14px;position:relative;overflow:hidden}
.preview::after{content:"";position:absolute;inset:auto -20% -40% -20%;height:120%;background:radial-gradient(ellipse at 50% 0%, rgba(224,112,0,.18), transparent 60%)}
.preview img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.preview .p-badge{position:relative;z-index:1;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:color-mix(in srgb,var(--surface) 88%,transparent);color:var(--accent-ink);padding:4px 8px;border-radius:999px;border:1px solid var(--line);backdrop-filter:blur(6px)}
.l-body{padding:15px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.l-title{font-weight:700;font-size:16.5px;letter-spacing:-.01em}
.l-desc{font-size:13.5px;color:var(--ink-2)}
.tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-size:11px;font-weight:600;color:var(--ink-2);background:var(--surface);border:1px solid var(--line);padding:3px 8px;border-radius:999px}
.progress-row{display:flex;align-items:center;gap:10px;margin-top:2px}
.p-track{flex:1;height:6px;border-radius:999px;background:var(--line);overflow:hidden}
.p-fill{height:100%;background:var(--accent);border-radius:999px;transition:width .4s ease}
.p-label{font-size:12px;color:var(--ink-2);font-variant-numeric:tabular-nums;min-width:92px;text-align:right}
.meta{font-size:12px;color:var(--ink-3)}
.actions{display:flex;gap:8px;margin-top:4px}
.empty{padding:30px;text-align:center;color:var(--ink-2)}

/* CTA */
.cta-banner{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:30px;display:flex;gap:20px;align-items:center;justify-content:space-between;box-shadow:var(--shadow-2);overflow:hidden}
.cta-bg{position:absolute;inset:0;background:radial-gradient(ellipse at 10% 20%, var(--accent-soft), transparent 45%), radial-gradient(ellipse at 90% 80%, #EAF4EE, transparent 40%);opacity:.7}
:root[data-theme="dark"] .cta-bg{background:radial-gradient(ellipse at 10% 20%, rgba(224,112,0,.12), transparent 45%), radial-gradient(ellipse at 90% 80%, rgba(29,138,78,.12), transparent 40%)}
.cta-copy,.cta-actions{position:relative}
.cta-banner h2{margin:8px 0 8px;font-size:28px;letter-spacing:-.02em}

/* Footer */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:36px 0 18px}
.footer-grid{display:grid;grid-template-columns:1.2fr .7fr .9fr;gap:24px}
.footer-brand p{color:var(--ink-2);font-size:13.5px;max-width:46ch;margin:10px 0 0}
.footer-col h4{margin:0 0 10px;font-size:13px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-3)}
.footer-col{display:flex;flex-direction:column;gap:10px}
.icon-links{display:flex;flex-direction:column;gap:8px}
.icon-links.social{flex-direction:row;flex-wrap:wrap;gap:8px}
.icon-link{display:inline-flex;align-items:center;gap:8px;color:var(--ink-2);text-decoration:none;font-size:13.5px;padding:8px 10px;border-radius:12px;border:1px solid var(--line);background:var(--surface-2);transition:.2s ease;width:fit-content}
.icon-links.social .icon-link{width:40px;height:40px;justify-content:center;padding:0;border-radius:12px}
.icon-link svg{width:18px;height:18px;flex:none}
.icon-link:hover{color:var(--ink);border-color:var(--line-strong);transform:translateY(-1px)}

/* Brand glows for social icon buttons (on hover/focus only) */
.icon-links.social .icon-link.brand-portfolio:hover,
.icon-links.social .icon-link.brand-portfolio:focus-visible{color:#B85C00;border-color:rgba(224,112,0,.35);box-shadow:0 0 0 1px rgba(224,112,0,.22), 0 0 22px rgba(224,112,0,.32), 0 8px 18px rgba(224,112,0,.12)}
.icon-links.social .icon-link.brand-github:hover,
.icon-links.social .icon-link.brand-github:focus-visible{color:var(--ink);border-color:rgba(110,118,129,.4);box-shadow:0 0 0 1px rgba(110,118,129,.28), 0 0 22px rgba(110,118,129,.32), 0 8px 18px rgba(110,118,129,.10)}
:root[data-theme="dark"] .icon-links.social .icon-link.brand-github:hover,
:root[data-theme="dark"] .icon-links.social .icon-link.brand-github:focus-visible{color:#F0F6FC;border-color:rgba(240,246,252,.35);box-shadow:0 0 0 1px rgba(240,246,252,.22), 0 0 22px rgba(240,246,252,.28), 0 8px 18px rgba(240,246,252,.08)}
.icon-links.social .icon-link.brand-linkedin:hover,
.icon-links.social .icon-link.brand-linkedin:focus-visible{color:#0A66C2;border-color:rgba(10,102,194,.4);box-shadow:0 0 0 1px rgba(10,102,194,.28), 0 0 22px rgba(10,102,194,.40), 0 8px 18px rgba(10,102,194,.14)}
.icon-links.social .icon-link.brand-youtube:hover,
.icon-links.social .icon-link.brand-youtube:focus-visible{color:#FF0000;border-color:rgba(255,0,0,.38);box-shadow:0 0 0 1px rgba(255,0,0,.26), 0 0 22px rgba(255,0,0,.38), 0 8px 18px rgba(255,0,0,.14)}
.icon-links.social .icon-link.brand-instagram:hover,
.icon-links.social .icon-link.brand-instagram:focus-visible{color:#E1306C;border-color:rgba(225,48,108,.35);box-shadow:0 0 0 1px rgba(225,48,108,.22), 0 0 16px rgba(225,48,108,.32), 10px -6px 20px rgba(253,29,29,.18), -10px 8px 20px rgba(131,58,180,.26), 0 10px 20px rgba(247,119,55,.16)}
.footer-bottom{max-width:1120px;margin:22px auto 0;padding:14px 20px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:10px;color:var(--ink-3);font-size:12.5px;flex-wrap:wrap}

/* Reveal animations */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s cubic-bezier(.22,.8,.3,1), transform .6s cubic-bezier(.22,.8,.3,1)}
.reveal.in{opacity:1;transform:none}
.reveal.delay-1{transition-delay:.12s}

/* Theme wipe */
::view-transition-old(root), ::view-transition-new(root){animation:none;mix-blend-mode:normal}
:root.theme-wiping::view-transition-new(root){animation:theme-wipe-in 700ms cubic-bezier(.22,.8,.3,1) both;z-index:2}
:root.theme-wiping::view-transition-old(root){z-index:1}
@keyframes theme-wipe-in{from{clip-path:var(--wipe-from,circle(0px at 50% 50%))}to{clip-path:var(--wipe-to,circle(150vmax at 50% 50%))}}

@media (max-width: 980px){
  .hero-inner{grid-template-columns:1fr;gap:18px;padding-top:120px}
  .hero-visual{min-height:360px;max-width:560px}
  .feature-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .float-card.fc1{right:0}
}
@media (max-width: 640px){
  .site-header{left:8px;right:8px;top:8px}
  .feature-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-banner{flex-direction:column;align-items:flex-start}
  .search-wrap input{min-width:0;width:100%}
  .hero{min-height:auto}
  .float-pill,.float-card{display:none}
}