@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');
:root{
  --bg-deep:#080c16;--bg-hero:#0b1120;
  --glass:rgba(255,255,255,.055);--glass-b:rgba(255,255,255,.09);--glass-bdr:rgba(255,255,255,.1);
  --accent:#2563eb;--accent-s:rgba(37,99,235,.12);--accent-g:rgba(37,99,235,.25);
  --gold:#f0a030;--gold-s:rgba(240,160,48,.1);
  --mint:#0ea5e9;--mint-s:rgba(14,165,233,.1);
  --coral:#06b6d4;--coral-s:rgba(6,182,212,.1);
  --sky:#3b82f6;--sky-s:rgba(59,130,246,.1);
  --w:#fff;--w-sec:#f6f9fe;--w-card:#fff;
  --ink:#0f172a;--slate:#475569;--muted:#94a3b8;--border:#e2e8f0;
  --serif:'Instrument Serif',Georgia,serif;
  --sans:'Outfit',-apple-system,sans-serif;
  --mono:'JetBrains Mono',monospace;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--w-sec);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
::selection{background:var(--accent);color:#fff}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* ═══ HEADER ═══ */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;padding:12px 0;background:rgba(11,17,32,.85);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);border-bottom:1px solid rgba(255,255,255,.06);transition:all .4s cubic-bezier(.4,0,.2,1)}
.header.scrolled{background:rgba(11,17,32,.92);padding:9px 0}
.header-inner{display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff}
.logo-gem{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#60a5fa);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px rgba(37,99,235,.3)}
.logo-gem span{font-family:var(--serif);font-size:14px;color:#fff}
.logo h1{font-size:16px;font-weight:700;letter-spacing:-.3px}
.logo small{display:block;font-size:10px;color:rgba(255,255,255,.35);font-weight:400;letter-spacing:.05em}
nav{display:flex;align-items:center;gap:3px}
nav a{color:rgba(255,255,255,.45);text-decoration:none;font-size:12.5px;font-weight:500;padding:5px 12px;border-radius:8px;transition:all .2s}
nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
nav a.active{color:#fff;background:var(--accent-s)}
.nav-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.15);border-radius:8px;cursor:pointer;padding:5px 7px;flex-direction:column;gap:3px}
.nav-toggle span{display:block;width:16px;height:1.5px;background:#fff}

/* ═══ HERO ═══ */
.page-hero{background:var(--bg-hero);padding:120px 0 64px;position:relative;overflow:hidden;color:#fff}
.page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 600px 500px at 30% 40%,rgba(37,99,235,.1),transparent 70%),radial-gradient(ellipse 400px 300px at 70% 60%,rgba(240,160,48,.06),transparent 70%)}
.page-hero::after{content:'';position:absolute;inset:0;background-image:radial-gradient(circle 1px,rgba(255,255,255,.03) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse 70% 60% at 50% 45%,#000 20%,transparent 80%);-webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 45%,#000 20%,transparent 80%)}
.page-hero .wrap{position:relative;z-index:1}
.hero-overline{font-size:11px;text-transform:uppercase;letter-spacing:.2em;color:var(--accent);font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.hero-overline::before{content:'';width:20px;height:2px;background:var(--accent);border-radius:1px}
.page-hero h1{font-family:var(--serif);font-size:42px;font-weight:400;line-height:1.1;margin-bottom:8px;letter-spacing:-.5px}
.page-hero p{font-size:14px;color:rgba(255,255,255,.45);max-width:520px;line-height:1.7;font-weight:300}

/* ═══ BUTTONS ═══ */
.btn{display:inline-flex;align-items:center;gap:6px;padding:11px 22px;font-family:var(--sans);font-size:13px;font-weight:600;border:none;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);text-decoration:none;border-radius:12px;letter-spacing:.01em}
.btn-accent{background:linear-gradient(135deg,var(--accent),#1d4ed8);color:#fff;box-shadow:0 4px 20px rgba(37,99,235,.3)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(37,99,235,.4)}
.btn-glass{background:rgba(255,255,255,.06);color:rgba(255,255,255,.65);border:1px solid rgba(255,255,255,.1);backdrop-filter:blur(10px)}
.btn-glass:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-clay{background:var(--w-card);color:var(--ink);border:1px solid var(--border);box-shadow:0 2px 8px rgba(0,0,0,.03),inset 0 -2px 4px rgba(0,0,0,.015);border-radius:12px}
.btn-clay:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.07),inset 0 -2px 4px rgba(0,0,0,.015)}
.btn-arrow::after{content:'→';margin-left:4px;transition:transform .2s}
.btn-arrow:hover::after{transform:translateX(3px)}

/* ═══ SECTIONS ═══ */
.section{padding:72px 0}
.sec-overline{font-size:11px;text-transform:uppercase;letter-spacing:.2em;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.sec-overline::before{content:'';width:24px;height:2px;border-radius:1px}
.sec-overline.accent{color:var(--accent)}.sec-overline.accent::before{background:var(--accent)}
.sec-overline.gold{color:var(--gold)}.sec-overline.gold::before{background:var(--gold)}
.sec-overline.mint{color:var(--mint)}.sec-overline.mint::before{background:var(--mint)}
.sec-overline.coral{color:var(--coral)}.sec-overline.coral::before{background:var(--coral)}
.sec-title{font-family:var(--serif);font-size:34px;font-weight:400;line-height:1.15;margin-bottom:8px;letter-spacing:-.3px}
.sec-desc{font-size:14px;color:var(--slate);max-width:480px;line-height:1.7;font-weight:300}
.sec-dark{background:var(--bg-hero);color:#fff;position:relative;overflow:hidden}
.sec-dark::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 500px 400px at 80% 30%,rgba(37,99,235,.07),transparent 70%),radial-gradient(ellipse 400px 300px at 20% 70%,rgba(240,160,48,.05),transparent 70%)}
.sec-dark .wrap{position:relative;z-index:1}

/* ═══ CLAY CARDS ═══ */
.clay{background:var(--w-card);border:1px solid var(--border);border-radius:20px;padding:24px;transition:all .35s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 8px rgba(0,0,0,.025),0 8px 32px rgba(0,0,0,.025),inset 0 -3px 6px rgba(0,0,0,.012);cursor:pointer;position:relative;overflow:hidden}
.clay:hover{transform:translateY(-5px);box-shadow:0 4px 12px rgba(0,0,0,.04),0 16px 48px rgba(0,0,0,.07),inset 0 -3px 6px rgba(0,0,0,.012)}
.clay::after{content:'';position:absolute;top:0;left:0;right:0;height:3px;border-radius:20px 20px 0 0;opacity:0;transition:opacity .3s}
.clay:hover::after{opacity:1}
.clay.c1::after{background:linear-gradient(90deg,var(--accent),#60a5fa)}
.clay.c2::after{background:linear-gradient(90deg,var(--gold),#fbbf24)}
.clay.c3::after{background:linear-gradient(90deg,var(--mint),#7dd3fc)}
.clay.c4::after{background:linear-gradient(90deg,var(--coral),#67e8f9)}
.clay.c5::after{background:linear-gradient(90deg,var(--sky),#7dd3fc)}
.clay-badge{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:11px;font-weight:700;margin-bottom:14px;box-shadow:inset 0 -2px 4px rgba(0,0,0,.05),0 2px 8px rgba(0,0,0,.04)}
.cb1{background:linear-gradient(135deg,#dbeafe,#bfdbfe);color:var(--accent)}
.cb2{background:linear-gradient(135deg,#fef3c7,#fde68a);color:#92400e}
.cb3{background:linear-gradient(135deg,#d1fae5,#a7f3d0);color:#065f46}
.cb4{background:linear-gradient(135deg,#fce7f3,#fbcfe8);color:#9d174d}
.cb5{background:linear-gradient(135deg,#e0f2fe,#bae6fd);color:#0c4a6e}
.clay h3{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:5px}
.clay p{font-size:12.5px;color:var(--slate);line-height:1.6}
.clay-tag{display:inline-block;font-size:10px;font-weight:600;padding:3px 10px;border-radius:100px;background:var(--w-sec);color:var(--slate);border:1px solid var(--border);margin-top:10px}
.clay .launch{display:flex;align-items:center;gap:4px;font-size:11px;font-weight:600;color:var(--accent);margin-top:10px;opacity:0;transform:translateY(4px);transition:all .25s}
.clay:hover .launch{opacity:1;transform:none}
.clay .launch::after{content:'→';transition:transform .2s}
.clay:hover .launch::after{transform:translateX(3px)}

/* ═══ GLASS CARD (dark sections) ═══ */
.glass{background:var(--glass);border:1px solid var(--glass-bdr);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-radius:18px;padding:22px;position:relative}
.glass::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.12),transparent)}

/* ═══ GRIDS ═══ */
.g2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}

/* ═══ DATA SOURCE CARD ═══ */
.ds-card{background:var(--w-card);border:1px solid var(--border);border-radius:16px;padding:18px 20px;transition:all .2s;box-shadow:0 2px 8px rgba(0,0,0,.02),inset 0 -2px 4px rgba(0,0,0,.01)}
.ds-card:hover{border-color:var(--accent);box-shadow:0 4px 16px rgba(0,0,0,.06)}
.ds-card h3{font-size:13px;font-weight:700;color:var(--ink);margin-bottom:8px;display:flex;align-items:center;gap:6px}
.ds-link{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--accent);text-decoration:none;padding:3px 0;transition:all .15s}
.ds-link:hover{transform:translateX(3px)}
.ds-link::before{content:'→';font-size:10px;color:var(--muted)}
.ds-cat{font-size:10px;text-transform:uppercase;letter-spacing:.15em;font-weight:700;margin-bottom:10px;margin-top:28px;display:flex;align-items:center;gap:8px}
.ds-cat::before{content:'';width:16px;height:2px;border-radius:1px}
.ds-cat.c1{color:var(--accent)}.ds-cat.c1::before{background:var(--accent)}
.ds-cat.c2{color:var(--gold)}.ds-cat.c2::before{background:var(--gold)}
.ds-cat.c3{color:var(--mint)}.ds-cat.c3::before{background:var(--mint)}
.ds-cat.c4{color:var(--coral)}.ds-cat.c4::before{background:var(--coral)}

/* ═══ BLOG ═══ */
.blog-card{background:var(--w-card);border:1px solid var(--border);border-radius:18px;overflow:hidden;transition:all .3s;box-shadow:0 2px 8px rgba(0,0,0,.02),inset 0 -2px 3px rgba(0,0,0,.01)}
.blog-card:hover{box-shadow:0 8px 32px rgba(0,0,0,.07);transform:translateY(-4px)}
.blog-thumb{height:90px;display:flex;align-items:center;justify-content:center}
.blog-body{padding:16px 18px}
.pub-type{font-size:10px;text-transform:uppercase;letter-spacing:.12em;font-weight:700;margin-bottom:4px}

/* ═══ ABOUT ═══ */
.g-about{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.about-quote{font-family:var(--serif);font-size:20px;font-style:italic;color:rgba(255,255,255,.75);margin:20px 0;padding-left:18px;border-left:3px solid var(--accent);line-height:1.45}
.cred-hd{font-size:11px;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.12em;margin-bottom:14px}
.cred-row{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.04)}
.cred-row:last-child{border-bottom:none}
.cred-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:6px;flex-shrink:0}
.cred-row h4{font-size:13px;font-weight:600;color:rgba(255,255,255,.8);margin-bottom:1px}
.cred-row p{font-size:11px;color:rgba(255,255,255,.3)}
.domain-item{padding:10px 14px;background:var(--w-card);border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;gap:8px;box-shadow:inset 0 -2px 3px rgba(0,0,0,.01)}
.domain-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}

/* ═══ YT CARD ═══ */
.yt-card{background:var(--w-card);border:1px solid var(--border);border-radius:20px;overflow:hidden;display:grid;grid-template-columns:.4fr .6fr;box-shadow:0 4px 16px rgba(0,0,0,.03),inset 0 -3px 6px rgba(0,0,0,.01);transition:all .25s}
.yt-card:hover{box-shadow:0 8px 32px rgba(0,0,0,.07)}
.yt-visual{background:linear-gradient(135deg,var(--bg-hero),#1e1b4b);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px;position:relative;overflow:hidden}
.yt-play{width:52px;height:52px;border-radius:50%;background:rgba(255,0,0,.12);border:2px solid rgba(255,60,60,.3);display:flex;align-items:center;justify-content:center;margin-bottom:12px;box-shadow:0 0 30px rgba(255,0,0,.08)}
.yt-play::after{content:'';width:0;height:0;border-left:14px solid rgba(255,255,255,.8);border-top:9px solid transparent;border-bottom:9px solid transparent;margin-left:3px}

/* ═══ PROGRESS BAR ═══ */
.progress-bar{height:6px;background:var(--border);border-radius:3px;overflow:hidden;margin:6px 0}
.progress-fill{height:100%;border-radius:3px;transition:width .8s ease}

/* ═══ CONTACT FORM ═══ */
.form-box{background:var(--w-card);border:1px solid var(--border);border-radius:20px;padding:28px;box-shadow:0 2px 8px rgba(0,0,0,.02),inset 0 -3px 6px rgba(0,0,0,.01)}
.form-group{margin-bottom:12px}
.form-label{display:block;font-size:11px;font-weight:600;color:var(--slate);margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em}
.form-input,.form-textarea{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:12px;font-size:13px;font-family:var(--sans);color:var(--ink);background:var(--w-sec);outline:none;transition:border .15s}
.form-input:focus,.form-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-s)}
.form-textarea{resize:vertical}
.form-submit{width:100%;padding:12px;background:linear-gradient(135deg,var(--accent),#1d4ed8);color:#fff;border:none;border-radius:12px;font-size:13px;font-weight:600;cursor:pointer;font-family:var(--sans);transition:all .2s;box-shadow:0 4px 16px rgba(37,99,235,.2)}
.form-submit:hover{box-shadow:0 6px 24px rgba(37,99,235,.3);transform:translateY(-1px)}

/* ═══ CTA ═══ */
.cta{background:linear-gradient(135deg,#1e1b4b,#312e81,#4338ca);text-align:center;position:relative;overflow:hidden}
.cta::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 500px 300px at 50% 100%,rgba(37,99,235,.18),transparent 60%)}
.cta .wrap{position:relative;z-index:1}
.cta h2{font-family:var(--serif);font-size:32px;font-weight:400;color:#fff;margin-bottom:8px}
.cta p{font-size:14px;color:rgba(255,255,255,.45);max-width:420px;margin:0 auto 22px;font-weight:300}

/* ═══ FOOTER ═══ */
.footer{background:var(--bg-deep);border-top:1px solid rgba(255,255,255,.05);padding:36px 0 16px;color:rgba(255,255,255,.25)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:24px;margin-bottom:24px}
.footer-brand h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:4px}
.footer-brand p{font-size:11px;line-height:1.6;margin-bottom:10px}
.footer-social{display:flex;gap:5px}
.footer-social a{width:28px;height:28px;border-radius:8px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;font-size:9px;color:rgba(255,255,255,.3);text-decoration:none;font-weight:700;transition:all .2s}
.footer-social a:hover{background:var(--accent-s);border-color:rgba(37,99,235,.3);color:var(--accent)}
.footer-col h4{font-size:9px;text-transform:uppercase;letter-spacing:.15em;color:rgba(255,255,255,.12);font-weight:600;margin-bottom:8px}
.footer-col a{display:block;color:rgba(255,255,255,.25);text-decoration:none;font-size:11px;padding:2px 0;transition:all .15s}
.footer-col a:hover{color:var(--accent);transform:translateX(3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.04);padding-top:12px;display:flex;justify-content:space-between;font-size:10px;flex-wrap:wrap;gap:6px}

/* ═══ REVEAL ═══ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.4,0,.2,1),transform .7s cubic-bezier(.4,0,.2,1)}
.reveal.vis{opacity:1;transform:none}

/* ═══ RESPONSIVE ═══ */
@media(max-width:900px){.g3{grid-template-columns:repeat(2,1fr)}.g-about{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}.yt-card{grid-template-columns:1fr}}
@media(max-width:640px){
  nav{display:none;position:absolute;top:100%;left:0;right:0;background:rgba(11,17,32,.95);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);flex-direction:column;padding:8px;border-top:1px solid rgba(255,255,255,.06)}
  nav.open{display:flex}nav a{width:100%;padding:7px 12px}
  .nav-toggle{display:flex;flex-direction:column}
  .g2,.g3{grid-template-columns:1fr}
  .page-hero h1{font-size:28px}.page-hero{padding:100px 0 48px}
  .sec-title{font-size:26px}
  .section{padding:48px 0}.cta h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:16px}
  .footer-bottom{flex-direction:column;text-align:center}
  .wrap{padding:0 16px}
}

/* ═══════════════════════════════════════════════
   v2 POLISH — ANIMATIONS & MICRO-INTERACTIONS
═══════════════════════════════════════════════ */

/* ── Scroll progress bar ── */
.scroll-progress{position:fixed;top:0;left:0;height:2.5px;background:linear-gradient(90deg,var(--accent),#60a5fa,var(--coral));z-index:2000;width:0;transition:width .1s linear;box-shadow:0 0 8px rgba(37,99,235,.5)}

/* ── Page load fade ── */
body{animation:pageIn .6s ease}
@keyframes pageIn{from{opacity:0}to{opacity:1}}

/* ── Staggered reveal (JS adds delay) ── */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1)}
.reveal.vis{opacity:1;transform:none}

/* ── Hero serif shimmer ── */
.page-hero h1 em, .hero h2 em{background-size:200% auto;animation:shimmer 4s linear infinite}
@keyframes shimmer{0%{background-position:0% center}100%{background-position:200% center}}

/* ── Clay card 3D lift + glow ── */
.clay{transform-style:preserve-3d;will-change:transform}
.clay:hover{transform:translateY(-8px) scale(1.015)}
.clay:hover .clay-badge{transform:scale(1.12) rotate(-4deg)}
.clay-badge{transition:transform .35s cubic-bezier(.34,1.56,.64,1)}
.clay::before{content:'';position:absolute;inset:0;border-radius:20px;background:radial-gradient(400px circle at var(--mx,50%) var(--my,50%),rgba(37,99,235,.06),transparent 60%);opacity:0;transition:opacity .3s;pointer-events:none}
.clay:hover::before{opacity:1}

/* ── Button shine sweep ── */
.btn-accent{position:relative;overflow:hidden}
.btn-accent::before{content:'';position:absolute;top:0;left:-80%;width:50%;height:100%;background:linear-gradient(110deg,transparent,rgba(255,255,255,.25),transparent);transform:skewX(-20deg);transition:left .55s ease}
.btn-accent:hover::before{left:130%}

/* ── Glass stat hover pulse ── */
.glass{transition:all .35s cubic-bezier(.4,0,.2,1)}
.glass:hover{transform:translateY(-4px);background:rgba(255,255,255,.09);border-color:rgba(37,99,235,.25);box-shadow:0 8px 32px rgba(37,99,235,.12)}

/* ── Nav link underline slide ── */
nav a{position:relative}
nav a::after{content:'';position:absolute;bottom:2px;left:14px;right:14px;height:1.5px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
nav a:hover::after{transform:scaleX(1)}
nav a.active::after{transform:scaleX(1)}

/* ── Logo gem float ── */
.logo-gem{animation:gemfloat 5s ease-in-out infinite;transition:transform .3s}
.logo:hover .logo-gem{transform:rotate(-8deg) scale(1.08)}
@keyframes gemfloat{0%,100%{box-shadow:0 4px 14px rgba(37,99,235,.3)}50%{box-shadow:0 6px 22px rgba(37,99,235,.5)}}

/* ── Footer link arrow slide ── */
.footer-col a{position:relative;padding-left:0;transition:padding-left .2s,color .15s}
.footer-col a::before{content:'→';position:absolute;left:-14px;opacity:0;transition:all .2s;color:var(--accent)}
.footer-col a:hover{padding-left:16px}
.footer-col a:hover::before{left:0;opacity:1}

/* ── Tag pop on hover ── */
.clay-tag{transition:all .2s}
.clay:hover .clay-tag{background:rgba(37,99,235,.08);border-color:rgba(37,99,235,.25);color:var(--accent)}

/* ── ds-card slide accent ── */
.ds-card{position:relative;overflow:hidden}
.ds-card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--accent),var(--coral));transform:scaleY(0);transform-origin:top;transition:transform .3s ease}
.ds-card:hover::before{transform:scaleY(1)}

/* ── Custom scrollbar ── */
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:var(--w-sec)}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#93c5fd,var(--accent));border-radius:5px;border:2px solid var(--w-sec)}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}

/* ── Selection ── */
::selection{background:var(--accent);color:#fff}

/* ── Counter glow when animating ── */
.counting{text-shadow:0 0 24px rgba(37,99,235,.45)}

/* ── Back-to-top button ── */
.back-top{position:fixed;bottom:24px;right:24px;width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--accent),#1d4ed8);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 4px 20px rgba(37,99,235,.35);opacity:0;pointer-events:none;transform:translateY(12px);transition:all .3s;z-index:1500}
.back-top.show{opacity:1;pointer-events:auto;transform:none}
.back-top:hover{transform:translateY(-3px);box-shadow:0 8px 28px rgba(37,99,235,.45)}

/* ── Reduced motion respect ── */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

/* ═══════════════════════════════════════════════
   SCROLL-POP ANIMATIONS (ANNAM-style reveals)
═══════════════════════════════════════════════ */
/* Pop-scale: element scales up + fades in (for cards, wheel, stats) */
.reveal-pop{opacity:0;transform:scale(.88) translateY(20px);transition:opacity .7s cubic-bezier(.34,1.56,.64,1),transform .7s cubic-bezier(.34,1.56,.64,1)}
.reveal-pop.vis{opacity:1;transform:scale(1) translateY(0)}
/* Slide from left */
.reveal-left{opacity:0;transform:translateX(-48px);transition:opacity .75s cubic-bezier(.16,1,.3,1),transform .75s cubic-bezier(.16,1,.3,1)}
.reveal-left.vis{opacity:1;transform:none}
/* Slide from right */
.reveal-right{opacity:0;transform:translateX(48px);transition:opacity .75s cubic-bezier(.16,1,.3,1),transform .75s cubic-bezier(.16,1,.3,1)}
.reveal-right.vis{opacity:1;transform:none}
/* Zoom-in for hero imagery / big visuals */
.reveal-zoom{opacity:0;transform:scale(1.12);transition:opacity 1s ease,transform 1s cubic-bezier(.16,1,.3,1)}
.reveal-zoom.vis{opacity:1;transform:scale(1)}
/* Blur-in for section titles */
.reveal-blur{opacity:0;filter:blur(8px);transform:translateY(16px);transition:opacity .8s ease,filter .8s ease,transform .8s ease}
.reveal-blur.vis{opacity:1;filter:blur(0);transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal-pop,.reveal-left,.reveal-right,.reveal-zoom,.reveal-blur{opacity:1!important;transform:none!important;filter:none!important}
}

/* ═══════════════════════════════════════════════
   HOMEPAGE LAYOUT (hero grid, stats, tool grid)
═══════════════════════════════════════════════ */
/* Hero two-column */
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero-text h2{font-family:var(--serif);font-size:54px;font-weight:400;line-height:1.06;color:#fff;margin-bottom:18px;letter-spacing:-.5px}
.hero-text h2 em{font-style:italic;background:linear-gradient(120deg,#60a5fa,#0ea5e9 55%,#06b6d4);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;background-size:200% auto;animation:shimmer 4s linear infinite}
.hero-text p{font-size:16px;color:rgba(255,255,255,.6);max-width:460px;line-height:1.7;margin-bottom:28px;font-weight:300}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
/* Hero stats 2x2 */
.hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hero-stats .glass{padding:26px 24px;text-align:left}
.hero-stats .glass h3{font-family:var(--serif);font-size:40px;font-weight:400;color:#fff;line-height:1;margin-bottom:6px}
.hero-stats .glass span{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.45);font-weight:600}
/* Tool card grid */
.clay-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:36px}.hero-text h2{font-size:40px}.clay-grid{grid-template-columns:1fr}}
@media(max-width:600px){.hero-stats{grid-template-columns:1fr 1fr}.hero-text h2{font-size:32px}}

/* ═══════════════════════════════════════════════
   HOMEPAGE SECTIONS (Why / How / Who) — ANNAM-style
═══════════════════════════════════════════════ */
/* Why cards — problem→solution */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px}
.why-card{background:var(--w-card);border:1px solid var(--border);border-radius:18px;padding:26px 22px;text-align:left;transition:all .3s;box-shadow:0 2px 8px rgba(0,0,0,.025)}
.why-card:hover{transform:translateY(-5px);border-color:var(--accent);box-shadow:0 12px 32px rgba(37,99,235,.1)}
.why-tag{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#dc2626;margin-bottom:10px}
.why-card.sol .why-tag{color:var(--accent)}
.why-icon{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--accent),#1d4ed8);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px}
.why-card h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:8px}
.why-card p{font-size:13px;color:var(--slate);line-height:1.65}
/* How it works — 3 steps */
.how-sec{background:var(--bg-hero);color:#fff;position:relative;overflow:hidden}
.how-sec::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 500px 400px at 80% 30%,rgba(37,99,235,.15),transparent 70%)}
.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px;position:relative;z-index:1}
.how-step{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:30px 26px;backdrop-filter:blur(12px);transition:all .3s}
.how-step:hover{transform:translateY(-5px);background:rgba(37,99,235,.12);border-color:rgba(37,99,235,.35)}
.how-num{font-family:var(--serif);font-size:46px;color:var(--accent);line-height:1;margin-bottom:14px;opacity:.6}
.how-step h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px}
.how-step p{font-size:13px;color:rgba(255,255,255,.55);line-height:1.7}
/* Who it's for — audience pills */
.who-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:36px}
.who-card{background:var(--w-card);border:1px solid var(--border);border-radius:16px;padding:24px 18px;text-align:center;transition:all .3s}
.who-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 10px 28px rgba(37,99,235,.1)}
.who-ico{font-size:30px;margin-bottom:12px}
.who-card h3{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:5px}
.who-card p{font-size:12px;color:var(--muted);line-height:1.5}
@media(max-width:900px){.why-grid,.how-grid{grid-template-columns:1fr}.who-grid{grid-template-columns:1fr 1fr}}

/* ── Who It's For — photo cards (ANNAM-style) ── */
.who-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px}
.who-photo{position:relative;border-radius:18px;overflow:hidden;height:280px;cursor:default;box-shadow:0 4px 16px rgba(0,0,0,.1);transition:all .35s;background:linear-gradient(150deg,#2563eb,#0ea5e9 50%,#0d9488)}
.who-photo:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(37,99,235,.18)}
.who-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.who-photo:hover img{transform:scale(1.07)}
.who-photo::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(11,17,32,.92) 0%,rgba(11,17,32,.55) 35%,rgba(11,17,32,.05) 70%)}
.who-photo .who-cap{position:absolute;left:0;right:0;bottom:0;padding:20px;z-index:2}
.who-photo .who-cap h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:4px;line-height:1.2}
.who-photo .who-cap p{font-size:12px;color:rgba(255,255,255,.7);line-height:1.5}
@media(max-width:900px){.who-grid{grid-template-columns:1fr 1fr}.who-photo{height:240px}}
@media(max-width:560px){.who-grid{grid-template-columns:1fr}}