/* ClearShot — Apple-minimal design system. One accent: indigo #4f46e5 */
:root{
  --accent:#4f46e5; --accent-dark:#4338ca; --accent-soft:#eef2ff;
  --ink:#111827; --muted:#6b7280; --faint:#9ca3af;
  --line:#e5e7eb; --bg:#ffffff; --bg-soft:#f8fafc;
  --radius:20px; --radius-sm:14px;
  --shadow:0 1px 2px rgba(16,24,40,.05),0 8px 24px -8px rgba(16,24,40,.12);
  --font:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand svg{width:30px;height:30px}
.main-nav ul{display:flex;gap:6px;list-style:none;align-items:center}
.main-nav a{color:var(--ink);font-weight:600;font-size:15px;padding:8px 12px;border-radius:10px}
.main-nav a:hover{background:var(--bg-soft);text-decoration:none}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:15px;font-weight:600;cursor:pointer;color:var(--ink)}

/* Hero */
.hero{padding:72px 0 48px;text-align:center}
.hero h1{font-size:clamp(32px,6vw,54px);line-height:1.12;letter-spacing:-.02em;margin-bottom:16px}
.hero .lede{font-size:clamp(16px,2.6vw,20px);color:var(--muted);max-width:640px;margin:0 auto 28px}
.accent{color:var(--accent)}
.btn{display:inline-block;background:var(--accent);color:#fff;font-weight:700;font-size:16px;padding:13px 26px;border-radius:14px;border:none;cursor:pointer;transition:transform .08s ease,background .15s}
.btn:hover{background:var(--accent-dark);text-decoration:none;color:#fff}
.btn:active{transform:scale(.98)}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn-outline{background:#fff;color:var(--accent);border:1.5px solid var(--accent)}
.btn-outline:hover{background:var(--accent-soft);color:var(--accent-dark)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:11px}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* Tool cards */
.section{padding:56px 0}
.section h2{font-size:clamp(24px,4vw,34px);letter-spacing:-.015em;margin-bottom:8px;text-align:center}
.section .sub{color:var(--muted);text-align:center;max-width:640px;margin:0 auto 32px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow);transition:transform .12s ease,box-shadow .12s ease;display:flex;flex-direction:column;gap:10px}
a.card:hover{text-decoration:none;transform:translateY(-3px);box-shadow:0 2px 4px rgba(16,24,40,.06),0 16px 32px -12px rgba(79,70,229,.22)}
a.card{color:var(--ink)}
.card .icon{width:46px;height:46px;border-radius:14px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;font-size:22px}
.card h3{font-size:18px}
.card p{color:var(--muted);font-size:14.5px;flex:1}
.card .go{color:var(--accent);font-weight:700;font-size:14.5px}

/* Feature strip */
.strip{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;padding:12px 0}
.strip-item{text-align:center;padding:10px}
.strip-item .big{font-size:26px;margin-bottom:6px}
.strip-item h3{font-size:16px;margin-bottom:4px}
.strip-item p{font-size:14px;color:var(--muted)}

/* Tool workspace */
.tool-hero{padding:48px 0 8px;text-align:center}
.tool-hero h1{font-size:clamp(26px,5vw,40px);letter-spacing:-.02em;margin-bottom:10px}
.tool-hero p{color:var(--muted);max-width:640px;margin:0 auto}
.workspace{padding:28px 0 56px}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px;margin-bottom:20px}
.panel h2{font-size:20px;margin-bottom:14px;text-align:left}
.dropzone{border:2px dashed #c7d2fe;background:#fafaff;border-radius:var(--radius-sm);padding:44px 20px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s}
.dropzone:hover,.dropzone.dragover{border-color:var(--accent);background:var(--accent-soft)}
.dropzone .dz-icon{font-size:40px;margin-bottom:10px}
.dropzone p{color:var(--muted);font-size:15px}
.dropzone strong{color:var(--accent)}
.controls{display:grid;gap:16px;margin:18px 0}
.control label{display:block;font-weight:700;font-size:14px;margin-bottom:6px}
.control .hint{font-weight:400;color:var(--muted);font-size:13px}
input[type=range]{width:100%;accent-color:var(--accent)}
input[type=number],input[type=text],input[type=email],select,textarea{width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:11px;font-size:15px;font-family:var(--font);background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid #c7d2fe;border-color:var(--accent)}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.row>*{flex:1;min-width:140px}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}

/* Progress */
.progress{height:10px;background:#eef0f4;border-radius:99px;overflow:hidden;margin:12px 0 4px}
.progress>div{height:100%;width:0%;background:linear-gradient(90deg,var(--accent),#818cf8);border-radius:99px;transition:width .25s ease}
.status{font-size:14px;color:var(--muted);min-height:22px}
.status.error{color:#dc2626;font-weight:600}
.status.ok{color:#059669;font-weight:600}

/* Results */
.result-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;margin-top:16px}
.result-card{border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;background:#fff}
.result-card .thumb{background:repeating-conic-gradient(#f3f4f6 0 25%,#fff 0 50%) 0 0/16px 16px;display:flex;align-items:center;justify-content:center;min-height:130px;max-height:200px;overflow:hidden}
.result-card .thumb img{max-height:190px;width:auto;object-fit:contain}
.result-card .meta{padding:10px 12px;font-size:13px;color:var(--muted)}
.result-card .meta strong{color:var(--ink);display:block;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.result-card .actions{padding:0 12px 12px;display:flex;gap:8px}

/* Before/after slider */
.ba-wrap{position:relative;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line);background:repeating-conic-gradient(#f3f4f6 0 25%,#fff 0 50%) 0 0/18px 18px;max-height:70vh;touch-action:none}
.ba-img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;display:block}
/* Checkerboard on the AFTER image itself: its transparent pixels must reveal the
   transparency grid, not the original photo layered underneath. */
#baAfterImg{background:repeating-conic-gradient(#e5e7eb 0 25%,#fff 0 50%) 0 0/18px 18px}
.ba-handle{position:absolute;top:0;bottom:0;width:3px;background:#fff;box-shadow:0 0 8px rgba(0,0,0,.35);cursor:ew-resize;z-index:3}
.ba-handle::after{content:"◂ ▸";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;border-radius:99px;padding:6px 10px;font-size:12px;box-shadow:0 2px 8px rgba(0,0,0,.25);white-space:nowrap}
.ba-range{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0;z-index:4}
.ba-labels{position:absolute;top:10px;left:10px;right:10px;display:flex;justify-content:space-between;pointer-events:none;z-index:2}
.ba-labels span{background:rgba(17,24,39,.72);color:#fff;font-size:12px;font-weight:700;padding:4px 10px;border-radius:99px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:8px}
.step{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px}
.step .n{display:inline-flex;width:32px;height:32px;border-radius:99px;background:var(--accent);color:#fff;font-weight:800;align-items:center;justify-content:center;margin-bottom:10px}
.step h3{font-size:16px;margin-bottom:6px}
.step p{font-size:14px;color:var(--muted)}

/* FAQ */
.faq{max-width:760px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:10px;background:#fff;overflow:hidden}
.faq summary{padding:16px 18px;font-weight:700;cursor:pointer;list-style:none;font-size:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--accent);font-size:20px;font-weight:800}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 18px 16px;color:var(--muted);font-size:15px}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:var(--bg-soft);padding:44px 0 28px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px;margin-bottom:28px}
.footer-grid h3{font-size:15px;margin-bottom:12px}
.footer-grid ul{list-style:none}
.footer-grid li{margin-bottom:8px}
.footer-grid a{color:var(--muted);font-size:14.5px}
.footer-grid a:hover{color:var(--accent)}
.footer-brand p{color:var(--muted);font-size:14.5px;max-width:320px;margin-top:8px}
.footer-bottom{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13.5px;color:var(--faint)}

/* Toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:12px 20px;border-radius:12px;font-size:14.5px;font-weight:600;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:200;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* Prose pages */
.prose{max-width:760px;margin:0 auto;padding:48px 20px 64px}
.prose h1{font-size:clamp(28px,5vw,40px);letter-spacing:-.02em;margin-bottom:16px}
.prose h2{font-size:22px;margin:28px 0 10px}
.prose p,.prose li{color:#374151;margin-bottom:12px}
.prose ul{padding-left:22px}
.note{background:#fffbeb;border:1px solid #fde68a;border-radius:12px;padding:14px 16px;font-size:14.5px;color:#92400e;margin:16px 0}

/* Canvas preview */
.preview-canvas{width:100%;height:auto;border-radius:var(--radius-sm);border:1px solid var(--line);background:repeating-conic-gradient(#f3f4f6 0 25%,#fff 0 50%) 0 0/18px 18px}
.guide-overlay{position:relative}
.guide-svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}

.hidden{display:none!important}
.mt{margin-top:14px}
.small{font-size:13.5px;color:var(--muted)}

@media(max-width:760px){
  .main-nav{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px 16px}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;align-items:stretch}
  .main-nav a{display:block;padding:12px 8px}
  .nav-toggle{display:block}
  .footer-grid{grid-template-columns:1fr}
  .panel{padding:20px 16px}
  .hero{padding:52px 0 36px}
}