:root{--bg:#F8FAFC;--surface:#fff;--surface2:#F1F5F9;--ink:#111827;--muted:#64748B;--line:#E2E8F0;--brand:#7C3AED;--brand2:#06B6D4;--accent:#F97316;--radius:18px;--shadow:0 16px 44px rgba(15,23,42,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}button,input{font:inherit}a{color:inherit}img{max-width:100%;height:auto}.app-shell{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;padding:24px 18px;background:#0F172A;color:#E2E8F0;border-right:1px solid rgba(255,255,255,.06);overflow:auto}.sidebar-logo{display:block;padding:6px 8px 22px}.sidebar-logo img{width:210px;filter:brightness(0) invert(1)}.sidebar-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color:#64748B;margin:18px 12px 8px}.side-nav{display:grid;gap:6px}.side-nav a{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:12px;text-decoration:none;color:#CBD5E1;font-weight:700;font-size:.94rem}.side-nav a:hover,.side-nav a.active{background:rgba(124,58,237,.22);color:#fff}.side-nav .icon{width:25px;height:25px;display:grid;place-items:center;border-radius:8px;background:rgba(255,255,255,.07)}.sidebar-note{margin-top:26px;padding:14px;border:1px solid rgba(255,255,255,.1);border-radius:14px;background:rgba(255,255,255,.04);font-size:.83rem;color:#94A3B8}.sidebar-note strong{display:block;color:#fff;margin-bottom:5px}.main{min-width:0}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px;padding:14px 28px;background:rgba(248,250,252,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.search{flex:1;max-width:620px;display:flex;align-items:center;gap:10px;padding:0 15px;height:46px;background:#fff;border:1px solid var(--line);border-radius:14px}.search input{width:100%;border:0;outline:0;background:transparent;color:var(--ink)}.brand-chip{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:800;font-size:.84rem;white-space:nowrap}.brand-dot{width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2))}.content{padding:30px}.hero{border-radius:28px;padding:44px;background:radial-gradient(circle at 90% 20%,rgba(6,182,212,.22),transparent 30%),radial-gradient(circle at 10% 0%,rgba(124,58,237,.25),transparent 36%),#111827;color:#fff;box-shadow:var(--shadow);overflow:hidden;position:relative}.hero::after{content:"";position:absolute;right:-70px;bottom:-120px;width:360px;height:360px;border-radius:50%;background:conic-gradient(from 90deg,#7C3AED,#06B6D4,#22C55E,#F97316,#EC4899,#7C3AED);opacity:.35}.eyebrow{font-size:.76rem;text-transform:uppercase;letter-spacing:.14em;font-weight:900;color:#C4B5FD}.hero h1{font-size:clamp(2.4rem,5vw,5rem);line-height:.98;letter-spacing:-.055em;max-width:880px;margin:14px 0 18px}.hero p{max-width:760px;color:#CBD5E1;font-size:1.08rem}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;position:relative;z-index:2}.btn{border:0;border-radius:12px;min-height:46px;padding:0 18px;font-weight:850;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-primary{background:var(--brand);color:#fff}.btn-secondary{background:#fff;color:var(--ink)}.btn-outline{background:transparent;border:1px solid var(--line);color:var(--ink)}.section{margin-top:34px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-head h2{margin:0;font-size:clamp(1.7rem,3vw,2.5rem);letter-spacing:-.035em}.section-head p{margin:6px 0 0;color:var(--muted)}.palette-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.palette-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 10px 28px rgba(15,23,42,.05)}.palette-swatches{display:grid;grid-template-columns:repeat(5,1fr);height:155px}.swatch{position:relative;border:0;cursor:pointer}.swatch::after{content:attr(data-color);position:absolute;left:50%;bottom:10px;transform:translateX(-50%);font-size:.69rem;font-weight:900;padding:4px 7px;border-radius:8px;background:rgba(255,255,255,.88);color:#111827;opacity:0;transition:.2s}.swatch:hover::after{opacity:1}.palette-meta{padding:16px}.palette-title{display:flex;align-items:center;justify-content:space-between;gap:10px}.palette-title h3{margin:0;font-size:1rem}.favorite-btn{border:0;background:transparent;font-size:1.2rem;cursor:pointer}.tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}.tag{font-size:.72rem;padding:4px 8px;background:var(--surface2);border-radius:999px;color:var(--muted)}.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.tool-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 10px 28px rgba(15,23,42,.05)}.tool-card h3{margin:0 0 6px}.tool-card>p{margin:0 0 18px;color:var(--muted)}.color-inputs{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:16px 0}.color-input-wrap{display:grid;gap:6px}.color-input-wrap input[type=color]{width:100%;height:64px;border:0;padding:0;background:transparent;cursor:pointer}.color-input-wrap input[type=text]{width:100%;padding:9px;border:1px solid var(--line);border-radius:10px;text-transform:uppercase}.tool-actions{display:flex;gap:8px;flex-wrap:wrap}.contrast-preview{display:grid;place-items:center;min-height:160px;border-radius:14px;border:1px solid var(--line);margin:14px 0;padding:20px;text-align:center}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.field{display:grid;gap:6px}.field label{font-size:.8rem;font-weight:800;color:var(--muted)}.field input{height:42px;border:1px solid var(--line);border-radius:10px;padding:0 10px}.metric{display:flex;justify-content:space-between;gap:10px;margin-top:12px;padding:12px;border-radius:12px;background:var(--surface2)}.upload-box{display:grid;place-items:center;min-height:170px;border:2px dashed var(--line);border-radius:14px;text-align:center;padding:20px}.extracted{display:grid;grid-template-columns:repeat(5,1fr);margin-top:14px;height:70px;border-radius:12px;overflow:hidden}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.info-card{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.info-card h3{margin:0 0 8px}.info-card p{margin:0;color:var(--muted)}.disclosure{margin-top:18px;padding:18px;border-radius:16px;background:#EEF2FF;border:1px solid #C7D2FE;color:#3730A3}.faq-list{display:grid;gap:10px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.faq-list summary{cursor:pointer;padding:17px 20px;font-weight:850}.faq-list p{margin:0;padding:0 20px 18px;color:var(--muted)}.footer{margin-top:46px;padding:28px 30px 36px;border-top:1px solid var(--line);color:var(--muted);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.toast{position:fixed;right:22px;bottom:22px;padding:12px 16px;border-radius:12px;background:#111827;color:#fff;opacity:0;transform:translateY(10px);pointer-events:none;transition:.2s;z-index:99}.toast.show{opacity:1;transform:translateY(0)}.mobile-menu{display:none}@media(max-width:1100px){.palette-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.info-grid{grid-template-columns:1fr}}@media(max-width:860px){.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;left:-280px;z-index:60;width:260px;transition:.25s}.sidebar.open{left:0}.mobile-menu{display:inline-flex}.tool-grid,.palette-grid{grid-template-columns:1fr}.content{padding:20px}.topbar{padding:12px 18px}.brand-chip{display:none}}@media(max-width:620px){.hero{padding:28px}.hero h1{font-size:2.6rem}.color-inputs{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.palette-swatches{height:120px}}