/* ===== Design tokens ===== */
:root{
  --bg:#161311;
  --bg-raised:#1e1a17;
  --bg-panel:#221e1a;
  --line:#332c26;
  --text:#f2ece3;
  --text-dim:#b3a89b;
  --accent:#e0483a;
  --accent-dim:#8a2e24;
  --accent-contrast:#fff5f0;
  --focus:#e8b23a;
  --radius:10px;
  --font-body:'Inter',system-ui,sans-serif;
  --font-display:'Outfit',system-ui,sans-serif;
  --shadow:0 8px 30px rgba(0,0,0,.35);
}
[data-theme="light"]{
  --bg:#f4ecdd;
  --bg-raised:#ffffff;
  --bg-panel:#fffdf9;
  --line:#e4d9c6;
  --text:#211a13;
  --text-dim:#6e6255;
  --accent:#c73a2c;
  --accent-dim:#e9c8bf;
  --accent-contrast:#fff8f4;
  --focus:#a86a10;
  --shadow:0 8px 30px rgba(80,60,30,.12);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.55;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  transition:background .2s ease,color .2s ease;
}
h1,h2,h3,h4{font-family:var(--font-display);margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
a{color:inherit}
img{max-width:100%;display:block}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.skip-link{position:absolute;left:-999px;top:0;background:var(--accent);color:#fff;padding:.6em 1em;z-index:200}
.skip-link:focus{left:8px;top:8px}

.section-inner{max-width:1180px;margin:0 auto;padding:0 20px}
.section-inner.narrow{max-width:820px}
.section-title{font-size:clamp(1.5rem,3vw,2.1rem);text-align:center;margin-bottom:1.2em}

.btn{
  display:inline-flex;align-items:center;gap:.5em;justify-content:center;
  padding:.85em 1.6em;border-radius:8px;border:1px solid transparent;
  font-family:var(--font-display);font-weight:600;font-size:.95rem;
  cursor:pointer;text-decoration:none;transition:transform .15s ease,background .2s,opacity .2s;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dim)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--accent)}
.btn-ghost-invert{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost-invert:hover{border-color:#fff}
.btn-lg{padding:1em 2em;font-size:1.02rem}
.btn-small{padding:.5em 1em;font-size:.82rem}
.btn-block{width:100%}

/* ===== Cookie banner ===== */
.cookie-banner{
  position:fixed;left:16px;right:16px;bottom:16px;z-index:150;
  background:var(--bg-raised);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;box-shadow:var(--shadow);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  max-width:900px;margin:0 auto;
}
.cookie-banner p{margin:0;font-size:.88rem;color:var(--text-dim);flex:1 1 260px}
.cookie-banner a{color:var(--accent);text-decoration:underline}
.cookie-actions{display:flex;gap:8px}
.cookie-banner[hidden]{display:none}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:100;background:color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.header-inner{max-width:1180px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--text)}
.brand-mark{color:var(--accent);display:flex}
.brand-text{font-family:var(--font-display);font-weight:700;font-size:1.05rem}
.brand-dot{color:var(--accent)}

.main-nav{flex:1}
.main-nav>ul{display:flex;gap:6px;list-style:none;margin:0;padding:0}
.nav-link{
  background:none;border:none;color:var(--text);font-family:var(--font-body);font-size:.94rem;
  padding:10px 12px;border-radius:6px;cursor:pointer;display:flex;align-items:center;gap:4px;text-decoration:none;
}
.nav-link:hover{background:var(--bg-panel)}
.has-mega{position:relative}
.mega-panel{
  display:none;position:absolute;top:100%;left:0;background:var(--bg-raised);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;width:560px;z-index:50;
}
.has-mega.open .mega-panel{display:block}
.mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:4px 18px}
.mega-grid a{padding:7px 8px;border-radius:6px;font-size:.87rem;text-decoration:none;color:var(--text-dim)}
.mega-grid a:hover{background:var(--bg-panel);color:var(--text)}
.mega-viewall{grid-column:1/-1;color:var(--accent) !important;font-weight:600;margin-top:4px}
.chev{transition:transform .2s}
.has-mega.open .chev{transform:rotate(180deg)}

.header-actions{display:flex;align-items:center;gap:8px}
.theme-toggle{background:var(--bg-panel);border:1px solid var(--line);color:var(--text);width:38px;height:38px;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer}
.icon-moon{display:none}
[data-theme="light"] .icon-sun{display:none}
[data-theme="light"] .icon-moon{display:block}
.nav-toggle{display:none;flex-direction:column;gap:4px;width:38px;height:38px;background:var(--bg-panel);border:1px solid var(--line);border-radius:8px;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{width:18px;height:2px;background:var(--text)}

/* ===== Breadcrumb ===== */
.breadcrumb{max-width:1180px;margin:0 auto;padding:14px 20px 0}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;font-size:.82rem;color:var(--text-dim)}
.breadcrumb li:not(:last-child)::after{content:"›";margin-left:6px}
.breadcrumb a{text-decoration:none;color:var(--text-dim)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb li[aria-current]{color:var(--text)}

/* ===== Hero ===== */
.hero{padding:56px 0 40px}
.hero-inner{max-width:1180px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.eyebrow{display:inline-block;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:14px}
.hero h1{font-size:clamp(2.1rem,4.4vw,3.4rem);line-height:1.04}
.hero-sub{color:var(--text-dim);font-size:1.06rem;max-width:52ch}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 30px}
.hero-stats{list-style:none;display:flex;gap:28px;padding:0;margin:0;flex-wrap:wrap}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats strong{font-family:var(--font-display);font-size:1.5rem;color:var(--accent)}
.hero-stats span{font-size:.78rem;color:var(--text-dim)}

.hero-visual{display:flex;align-items:center;justify-content:center}
.filmstrip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;transform:rotate(-3deg)}
.frame{
  width:78px;height:78px;background:var(--bg-panel);border:2px solid var(--line);border-radius:6px;
  display:flex;align-items:flex-end;justify-content:flex-end;padding:4px;
  transform:rotate(var(--r));position:relative;overflow:hidden;
}
.frame::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,var(--accent-dim),transparent 60%);opacity:.5}
.frame span{font-family:var(--font-display);font-size:.7rem;color:var(--text-dim);position:relative;background:var(--bg);border-radius:3px;padding:1px 4px}
.frame.active{border-color:var(--accent)}

/* ===== Tools strip ===== */
.tools-strip{padding:14px 0 34px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip-label{font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-dim);margin-bottom:12px}
.strip-track{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}
.strip-track a{
  flex:0 0 auto;white-space:nowrap;background:var(--bg-panel);border:1px solid var(--line);
  padding:9px 14px;border-radius:20px;font-size:.84rem;text-decoration:none;color:var(--text-dim);
}
.strip-track a:hover{color:var(--accent);border-color:var(--accent)}

/* ===== Builder ===== */
.builder{padding:56px 0}
.builder-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.panel{background:var(--bg-raised);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.panel-title{font-size:1.05rem;margin:0 0 14px;padding-top:18px;border-top:1px solid var(--line)}
.panel-title:first-child{padding-top:0;border-top:none}

.drop-zone{
  border:2px dashed var(--line);border-radius:var(--radius);padding:28px 16px;text-align:center;cursor:pointer;
  color:var(--text-dim);transition:border-color .2s,background .2s;
}
.drop-zone:hover,.drop-zone.dragover{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 6%, transparent)}
.drop-zone svg{margin:0 auto 8px;color:var(--accent)}
.drop-zone strong{color:var(--text)}
.drop-zone span{font-size:.8rem}
.field-error{color:var(--accent);font-size:.85rem;margin-top:8px}
.field-error[hidden]{display:none}

.thumb-list-head{display:flex;align-items:center;justify-content:space-between;margin:18px 0 8px}
.thumb-list-head h3{font-size:.95rem;font-family:var(--font-body);font-weight:600;margin:0}
.thumb-list{
  list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(74px,1fr));
  gap:8px;max-height:260px;overflow-y:auto;
}
.thumb-item{position:relative;border-radius:6px;overflow:hidden;border:1px solid var(--line);aspect-ratio:1;cursor:grab;background:var(--bg-panel)}
.thumb-item img{width:100%;height:100%;object-fit:cover}
.thumb-item.sortable-ghost{opacity:.3}
.thumb-remove{
  position:absolute;top:2px;right:2px;width:20px;height:20px;border-radius:50%;background:rgba(0,0,0,.65);
  color:#fff;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:.75rem;line-height:1;
}
.thumb-index{position:absolute;bottom:2px;left:3px;font-size:.62rem;background:rgba(0,0,0,.55);color:#fff;padding:1px 4px;border-radius:3px;font-family:var(--font-display)}

.control-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px;margin-bottom:8px}
.control{display:flex;flex-direction:column;gap:6px;font-size:.85rem;color:var(--text-dim)}
.control span:first-child{font-weight:500;color:var(--text)}
.control select,.control input[type="text"],.control input[type="number"]{
  background:var(--bg-panel);border:1px solid var(--line);color:var(--text);padding:8px 10px;border-radius:6px;font-family:var(--font-body);
}
.control input[type="range"]{accent-color:var(--accent)}
.control input[type="color"]{width:100%;height:36px;border:1px solid var(--line);border-radius:6px;background:var(--bg-panel);padding:2px}
.control.checkbox{flex-direction:row;align-items:center;gap:8px}
.control.checkbox input{width:18px;height:18px;accent-color:var(--accent)}
.dual-input{display:flex;gap:6px}
.dual-input input{width:100%}
output{font-size:.78rem;color:var(--accent)}

.canvas-wrap{position:relative;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-panel);min-height:320px;display:flex;align-items:center;justify-content:center;overflow:hidden}
#previewCanvas{max-width:100%;height:auto;display:block}
.empty-state{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--text-dim);text-align:center;padding:20px}
.empty-state svg{color:var(--line)}

/* ===== Results ===== */
.results{padding:20px 0 60px}
.result-canvas-wrap{border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-panel);padding:12px;display:flex;justify-content:center;overflow:auto}
#resultCanvas{max-width:100%;height:auto}
.result-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.copy-msg{text-align:center;color:var(--accent);font-size:.85rem;min-height:1.2em}

/* ===== Features ===== */
.features{padding:60px 0;background:var(--bg-raised);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{background:var(--bg-panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.feature-card svg{color:var(--accent);margin-bottom:10px}
.feature-card h3{font-size:1.05rem}
.feature-card p{color:var(--text-dim);font-size:.92rem;margin:0}

/* ===== How it works ===== */
.how-it-works{padding:60px 0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{text-align:center}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;
  background:var(--accent);color:#fff;font-family:var(--font-display);font-weight:700;margin-bottom:12px;
}
.step h3{font-size:1rem}
.step p{color:var(--text-dim);font-size:.9rem}

/* ===== Article ===== */
.article{padding:50px 0 60px}
.article p{color:var(--text-dim)}

/* ===== FAQ ===== */
.faq{padding:0 0 60px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;margin-bottom:10px;background:var(--bg-raised)}
.faq-item summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-chev{transition:transform .2s;flex-shrink:0}
.faq-item[open] .faq-chev{transform:rotate(180deg)}
.faq-item p{color:var(--text-dim);margin:10px 0 0;font-size:.92rem}

/* ===== CTA ===== */
.cta{background:linear-gradient(135deg,var(--accent-dim),var(--accent));padding:60px 0;color:#fff}
.cta-inner{text-align:center}
.cta h2{color:#fff}
.cta p{color:rgba(255,255,255,.85)}
.cta-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:16px}

/* ===== Footer ===== */
.site-footer{background:var(--bg-raised);border-top:1px solid var(--line);padding:50px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px}
.footer-col h4{font-size:.88rem;text-transform:uppercase;letter-spacing:.04em;color:var(--text-dim);margin-bottom:12px}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.footer-col a{text-decoration:none;color:var(--text-dim);font-size:.88rem}
.footer-col a:hover{color:var(--accent)}
.footer-brand p{color:var(--text-dim);font-size:.86rem;margin-top:10px}
.footer-bottom{border-top:1px solid var(--line);margin-top:34px;padding-top:20px}
.footer-bottom p{font-size:.8rem;color:var(--text-dim);margin:0 0 8px}
.disclaimer{max-width:900px}

/* ===== Responsive ===== */
@media (max-width:960px){
  .builder-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-inner{grid-template-columns:1fr}
  .hero-visual{order:-1}
}
@media (max-width:720px){
  .main-nav{
    position:fixed;top:64px;left:0;right:0;bottom:0;background:var(--bg);border-top:1px solid var(--line);
    padding:20px;transform:translateY(-110%);transition:transform .25s ease;overflow-y:auto;z-index:90;
  }
  .main-nav.open{transform:translateY(0)}
  .main-nav>ul{flex-direction:column}
  .mega-panel{position:static;width:100%;box-shadow:none}
  .nav-toggle{display:flex}
  .control-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .header-inner{gap:12px}
}
@media (max-width:480px){
  .hero-cta{flex-direction:column;align-items:stretch}
  .cookie-banner{flex-direction:column;align-items:stretch}
}