:root{--bg:#fff;--purple:#7C3AED;--purple-d:#6D28D9;--purple-l:#F3E8FF;--text:#171322;--muted:#6B7280;--border:#E5E7EB;--soft:#FAF9FF;--ok:#059669;--err:#DC2626;--warn:#D97706;--r:16px;--shadow:0 10px 30px -12px rgba(124,58,237,.25);--grad:linear-gradient(135deg,#7C3AED,#A855F7)}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%}a{color:var(--purple);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;letter-spacing:-.02em}h1{font-size:clamp(2rem,4.5vw,3.3rem);font-weight:800}h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800}h3{font-size:1.15rem;font-weight:700}
p{margin:0 0 1em}code{background:var(--purple-l);padding:1px 6px;border-radius:6px;font-size:.85em}.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.85rem}
.container{max-width:1160px;margin:0 auto;padding:0 20px}.narrow{max-width:760px}.center{text-align:center}.muted{color:var(--muted)}.small{font-size:.85rem}.hidden,[hidden]{display:none!important}.trunc{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block;max-width:100%}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--r);padding:22px;box-shadow:0 1px 2px rgba(23,19,34,.04)}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:12px;padding:11px 20px;font:600 .95rem Inter,sans-serif;cursor:pointer;transition:.18s;text-decoration:none!important;white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 16px -6px rgba(124,58,237,.6)}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 22px -8px rgba(124,58,237,.7)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--text)}.btn-ghost:hover{background:var(--purple-l);border-color:#DDD6FE}
.btn-danger{background:var(--err);color:#fff}.btn-white{background:#fff;color:var(--purple)}.danger{color:var(--err)}
.btn-sm{padding:7px 12px;font-size:.85rem;border-radius:10px}.btn-lg{padding:14px 26px;font-size:1.02rem}.btn-block{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none}
.btn-row{display:flex;gap:10px;flex-wrap:wrap}.icon-btn{background:none;border:0;cursor:pointer;color:var(--muted);width:38px;height:38px;border-radius:10px;font-size:1.05rem}.icon-btn:hover{background:var(--purple-l);color:var(--purple)}
/* forms */
.form{display:flex;flex-direction:column;gap:14px}.form label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:.9rem}
input,select,textarea{font:400 .95rem Inter,sans-serif;color:var(--text);border:1px solid var(--border);border-radius:12px;padding:11px 14px;background:#fff;width:100%;transition:.15s}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--purple);box-shadow:0 0 0 4px rgba(124,58,237,.12)}textarea{resize:vertical}
.check{flex-direction:row!important;align-items:center;gap:8px!important;font-weight:500!important}.check input{width:auto}.check-row{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.form.inline{flex-direction:row;flex-wrap:wrap;align-items:center}.form.inline>*{width:auto;flex:1 1 140px}
.alert{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:12px 16px;border-radius:12px;font-size:.92rem;margin-bottom:14px}
.alert-error{background:#FEF2F2;color:#991B1B;border:1px solid #FECACA}.alert-success{background:#ECFDF5;color:#065F46;border:1px solid #A7F3D0}.alert-warn{background:#FFFBEB;color:#92400E;border:1px solid #FDE68A}.alert-info{background:var(--purple-l);color:#4C1D95;border:1px solid #DDD6FE}
.badge{display:inline-block;padding:2px 10px;border-radius:99px;font-size:.75rem;font-weight:700;text-transform:capitalize}.badge-green{background:#D1FAE5;color:#065F46}.badge-red{background:#FEE2E2;color:#991B1B}.badge-amber{background:#FEF3C7;color:#92400E}.badge-gray{background:#F3F4F6;color:#4B5563}.badge-purple{background:var(--purple-l);color:var(--purple-d)}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-row{display:flex;align-items:center;justify-content:space-between;height:68px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--text)!important;text-decoration:none!important}
.logo-mark{width:36px;height:36px;border-radius:11px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:1rem}.logo-mark.big{width:64px;height:64px;font-size:1.6rem;margin:0 auto 14px}.logo-img{height:36px;border-radius:8px}
.main-nav{display:flex;align-items:center;gap:26px}.main-nav a{color:var(--text);font-weight:500;font-size:.95rem}.main-nav a:hover{color:var(--purple);text-decoration:none}.main-nav .btn{color:#fff}.nav-toggle{display:none;background:none;border:0;font-size:1.3rem;cursor:pointer}
/* hero */
.hero{background:radial-gradient(900px 400px at 85% -10%,#EADCFF 0,transparent 60%),var(--soft);padding:64px 0 72px}.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.pill{display:inline-flex;gap:8px;align-items:center;background:var(--purple-l);color:var(--purple-d);padding:6px 14px;border-radius:99px;font-weight:600;font-size:.85rem;margin-bottom:18px}
.hero h1{background:linear-gradient(135deg,#171322 30%,#7C3AED);-webkit-background-clip:text;background-clip:text;color:transparent}.lead{font-size:1.15rem;color:var(--muted);max-width:520px}
.ticks{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-direction:column;gap:8px;font-weight:500}.ticks i{color:var(--purple);margin-right:8px}
.section{padding:72px 0}.section.alt{background:var(--soft)}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.feature{transition:.2s}.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.f-icon{width:48px;height:48px;border-radius:14px;background:var(--purple-l);color:var(--purple);display:grid;place-items:center;font-size:1.2rem;margin-bottom:14px}
.step .num{width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:12px}
.chips{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:18px 0}.chip{background:#fff;border:1px solid var(--border);padding:8px 18px;border-radius:99px;font-weight:700;color:var(--purple)}
.plan{display:flex;flex-direction:column}.plan.featured{border-color:var(--purple);box-shadow:var(--shadow)}.plan .price{font-size:2rem;font-weight:800;margin:6px 0 14px}.plan .price small{font-size:.9rem;color:var(--muted);font-weight:500}.plan ul{list-style:none;padding:0;margin:0 0 20px;flex:1;display:flex;flex-direction:column;gap:9px}.plan li i{color:var(--purple);margin-right:8px}
.faq{border:1px solid var(--border);border-radius:14px;padding:16px 20px;margin-bottom:12px;background:#fff}.faq summary{cursor:pointer;font-weight:600}.faq p{margin:10px 0 0}
.cta-band{background:var(--grad);color:#fff;border-radius:24px;padding:56px 24px;text-align:center}.cta-band p{opacity:.9}
.site-footer{background:#171322;color:#C4B5FD;padding:48px 0 0;margin-top:0}.site-footer .brand{color:#fff!important}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footer-grid h4{color:#fff}.footer-grid a{display:block;color:#C4B5FD;margin-bottom:8px}.footer-grid .muted{color:#A78BFA}.footer-bottom{border-top:1px solid #2A2340;margin-top:30px;padding:18px 20px;font-size:.85rem}
/* enhancer */
.enhancer{padding:20px;display:flex;flex-direction:column;gap:16px;box-shadow:var(--shadow)}
.dropzone{border:2px dashed #C4B5FD;border-radius:18px;background:var(--soft);text-align:center;padding:36px 18px;cursor:pointer;transition:.2s}.dropzone:hover,.dropzone.drag{background:var(--purple-l);border-color:var(--purple);transform:scale(1.01)}
.dz-icon{font-size:2.4rem;color:var(--purple)}.dropzone h3{margin:6px 0 0}.dropzone p{margin:6px 0}
.enh-selected{display:flex;align-items:center;gap:14px;border:1px solid var(--border);border-radius:14px;padding:10px}.enh-selected img{width:72px;height:72px;object-fit:cover;border-radius:10px}.sel-info{flex:1;min-width:0;display:flex;flex-direction:column}.sel-info strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.enh-options{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.enh-options .label{font-weight:600}.seg{display:flex;background:var(--soft);border:1px solid var(--border);border-radius:12px;padding:3px}.seg button{border:0;background:none;padding:8px 18px;border-radius:9px;font:600 .9rem Inter;cursor:pointer;color:var(--muted)}.seg button.on{background:var(--purple);color:#fff}
.enh-progress{display:flex;gap:16px;align-items:center;padding:14px;border:1px solid var(--border);border-radius:14px;background:var(--soft)}.prog-body{flex:1}.bar{height:8px;background:#E9D5FF;border-radius:99px;overflow:hidden;margin:8px 0}.bar span{display:block;height:100%;width:0;background:var(--grad);transition:width .2s}.bar.indet span{width:40%!important;animation:slide 1.2s infinite ease-in-out}
.spinner{width:34px;height:34px;border:4px solid #E9D5FF;border-top-color:var(--purple);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes slide{0%{margin-left:-40%}100%{margin-left:100%}}
.result-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}.result-meta{margin-top:8px;font-size:.9rem}
/* compare slider */
.compare{position:relative;border-radius:16px;overflow:hidden;background:#EEE;user-select:none;margin:18px auto 0;line-height:0;touch-action:pan-y}.compare img{width:100%;height:auto;display:block}.compare .before{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;clip-path:inset(0 50% 0 0)}
.compare .handle{position:absolute;top:0;bottom:0;left:50%;width:3px;background:#fff;box-shadow:0 0 8px rgba(0,0,0,.4);pointer-events:none}.compare .handle::after{content:"\2194";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:38px;height:38px;border-radius:50%;background:var(--purple);color:#fff;display:grid;place-items:center;font-size:1rem;line-height:1}
.compare input[type=range]{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0;padding:0}.compare .tag{position:absolute;top:12px;padding:3px 10px;border-radius:99px;background:rgba(23,19,34,.7);color:#fff;font:600 .72rem Inter;line-height:1.5}.compare .tag.l{left:12px}.compare .tag.r{right:12px}
/* auth & misc */
.auth-wrap{display:grid;place-items:center;padding:56px 20px;background:var(--soft);min-height:calc(100vh - 160px)}.auth-card{width:100%;max-width:440px;padding:32px}.auth-card h1{font-size:1.7rem}
.maint{display:grid;place-items:center;min-height:100vh;background:var(--soft);margin:0}.maint-card{text-align:center;max-width:460px;padding:30px}
.pager{display:flex;gap:6px;justify-content:center;margin-top:20px;flex-wrap:wrap}.pager a{padding:7px 13px;border:1px solid var(--border);border-radius:10px;color:var(--text);font-weight:600;font-size:.9rem}.pager a.active,.pager a:hover{background:var(--purple);border-color:var(--purple);color:#fff;text-decoration:none}
.modal{position:fixed;inset:0;background:rgba(23,19,34,.55);display:grid;place-items:center;z-index:200;padding:16px;overflow:auto;animation:fade .15s}.modal-card{background:#fff;border-radius:20px;padding:26px;width:100%;max-width:460px;box-shadow:0 30px 60px -20px rgba(0,0,0,.4)}.modal-card.wide{max-width:860px}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}@keyframes fade{from{opacity:0}}
#toasts{position:fixed;right:16px;top:16px;z-index:300;display:flex;flex-direction:column;gap:10px;max-width:calc(100vw - 32px)}.toast{background:#171322;color:#fff;padding:12px 16px;border-radius:12px;box-shadow:0 12px 30px rgba(0,0,0,.25);display:flex;gap:10px;align-items:flex-start;animation:pop .25s;min-width:240px}.toast.success{border-left:4px solid #34D399}.toast.error{border-left:4px solid #F87171}.toast.info{border-left:4px solid #A78BFA}@keyframes pop{from{opacity:0;transform:translateY(-8px)}}
.skeleton{background:linear-gradient(90deg,#F3F0FA 25%,#EBE4FA 37%,#F3F0FA 63%);background-size:400% 100%;animation:shimmer 1.4s infinite}.skeleton.loaded{animation:none;background:none}@keyframes shimmer{0%{background-position:100% 50%}100%{background-position:0 50%}}
.empty{text-align:center;padding:44px 20px}.empty>i{font-size:2.4rem;color:#C4B5FD;margin-bottom:10px}.small-empty{padding:24px}
@media(max-width:900px){.hero-grid,.grid-3,.grid-2,.footer-grid{grid-template-columns:1fr}.hero{padding:40px 0}.nav-toggle{display:block}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:16px 20px;gap:14px;border-bottom:1px solid var(--border)}.main-nav.open{display:flex}.main-nav .btn{text-align:center}.section{padding:48px 0}}