*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#ffffff;
  --bg2:#f8f9fb;
  --bg3:#f0f2f7;
  --ink:#0d0f14;
  --ink2:#4b5163;
  --ink3:#8891a4;
  --border:#e3e6ef;
  --border2:#c8cdd9;
  --accent:#2563eb;
  --accent-soft:#dbeafe;
  --accent2:#7c3aed;
  --good:#059669;
  --good-soft:#d1fae5;
  --warn:#d97706;
  --warn-soft:#fef3c7;
  --card-shadow:0 1px 4px rgba(0,0,0,.06),0 4px 16px rgba(0,0,0,.04);
  --font-display:'DM Serif Display',Georgia,serif;
  --font-body:'Inter',system-ui,sans-serif;
  --radius:10px;
  --radius-lg:16px;
  --radius-xl:24px;
}

[data-theme="dark"]{
  --bg:#0e1117;
  --bg2:#161b27;
  --bg3:#1e2435;
  --ink:#f0f2f8;
  --ink2:#a8b0c4;
  --ink3:#5f6880;
  --border:#252c3e;
  --border2:#333d56;
  --accent:#4f8ef7;
  --accent-soft:#1e2d52;
  --accent2:#a78bfa;
  --good:#34d399;
  --good-soft:#052e20;
  --warn:#fbbf24;
  --warn-soft:#2d1f00;
  --card-shadow:0 1px 4px rgba(0,0,0,.3),0 4px 16px rgba(0,0,0,.2);
}

html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--ink);line-height:1.6;font-size:16px;transition:background .2s,color .2s}

/* ── NAV ── */
nav{
  position:sticky;top:0;z-index:100;
  background:var(--bg);
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.nav-inner{
  max-width:1100px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;height:60px;
}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none}
.logo-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;
}
.logo-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.3px}
.logo-badge{font-size:10px;font-weight:600;background:var(--accent-soft);color:var(--accent);padding:2px 7px;border-radius:20px;margin-left:2px;vertical-align:middle}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:14px;color:var(--ink2);text-decoration:none;font-weight:500;transition:color .15s}
.nav-links a:hover{color:var(--accent)}
.nav-actions{display:flex;align-items:center;gap:10px}
.theme-toggle{
  width:36px;height:36px;border-radius:9px;border:1px solid var(--border);
  background:var(--bg2);color:var(--ink2);cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:15px;
  transition:all .15s;
}
.theme-toggle:hover{background:var(--bg3);color:var(--ink)}
.nav-cta{
  font-size:13px;font-weight:600;padding:8px 18px;
  background:var(--accent);color:#fff;border:none;
  border-radius:9px;cursor:pointer;text-decoration:none;
  transition:opacity .15s;
}
.nav-cta:hover{opacity:.85}

/* ── HERO ── */
.hero{
  max-width:1100px;margin:0 auto;
  padding:90px 24px 60px;
  text-align:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;
  color:var(--accent);background:var(--accent-soft);
  padding:5px 14px;border-radius:20px;margin-bottom:24px;
}
.hero-eyebrow i{font-size:11px}
.hero h1{
  font-family:var(--font-display);
  font-size:clamp(2.4rem,5vw,3.6rem);
  line-height:1.12;
  color:var(--ink);
  letter-spacing:-.02em;
  margin-bottom:20px;
}
.hero h1 em{font-style:italic;color:var(--accent)}
.hero-sub{
  font-size:1.1rem;color:var(--ink2);
  max-width:560px;margin:0 auto 36px;
  line-height:1.7;
}
.hero-stats{
  display:flex;justify-content:center;gap:40px;
  margin-top:48px;padding-top:40px;
  border-top:1px solid var(--border);
  flex-wrap:wrap;
}
.hero-stat-val{font-size:2rem;font-weight:700;color:var(--ink);line-height:1}
.hero-stat-lbl{font-size:13px;color:var(--ink3);margin-top:4px}

/* ── TOOL SECTION ── */
.tool-section{
  background:var(--bg2);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:64px 24px;
}
.tool-inner{max-width:1140px;margin:0 auto}
.section-label{
  font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink3);margin-bottom:10px;
}
.section-title{
  font-size:1.55rem;font-weight:700;color:var(--ink);
  letter-spacing:-.02em;margin-bottom:6px;
}
.section-sub{font-size:.95rem;color:var(--ink2);margin-bottom:32px}

/* Tool card */
.tool-card{
  background:var(--bg);border:1px solid var(--border);
  border-radius:var(--radius-xl);
  box-shadow:var(--card-shadow);
  overflow:hidden;
}
.tool-card-header{
  padding:20px 24px;
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:10px;
}
.tool-card-header i{font-size:18px;color:var(--accent)}
.tool-card-header span{font-size:15px;font-weight:600;color:var(--ink)}
.tool-card-header .dots{display:flex;gap:6px;margin-right:4px}
.dot{width:11px;height:11px;border-radius:50%}
.dot-r{background:#ff5f57}.dot-y{background:#febc2e}.dot-g{background:#28c840}

.tool-body{padding:24px}
.url-row{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.url-row input{
  flex:1;min-width:200px;
  padding:12px 16px;font-size:15px;
  border:1.5px solid var(--border);border-radius:var(--radius);
  background:var(--bg);color:var(--ink);font-family:var(--font-body);
  transition:border-color .15s,box-shadow .15s;
  outline:none;
}
.url-row input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.url-row input::placeholder{color:var(--ink3)}
.btn-generate{
  padding:12px 22px;font-size:14px;font-weight:700;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;border:none;border-radius:var(--radius);cursor:pointer;
  white-space:nowrap;transition:opacity .15s,transform .1s;
}
.btn-generate:hover{opacity:.9}
.btn-generate:active{transform:scale(.98)}
.btn-adv{
  padding:12px 16px;font-size:13px;font-weight:600;
  background:var(--bg2);color:var(--ink2);
  border:1px solid var(--border);border-radius:var(--radius);
  cursor:pointer;white-space:nowrap;transition:all .15s;
}
.btn-adv:hover{background:var(--bg3);color:var(--ink)}

.adv-panel{
  display:none;
  background:var(--bg2);border:1px dashed var(--border2);
  border-radius:var(--radius);padding:16px;margin-bottom:14px;
}
.adv-panel.open{display:block}
.adv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.adv-field label{font-size:12px;font-weight:600;color:var(--ink3);display:block;margin-bottom:5px;text-transform:uppercase;letter-spacing:.05em}
.adv-field select,.adv-field input[type="number"]{
  width:100%;padding:8px 10px;font-size:13px;
  border:1px solid var(--border);border-radius:8px;
  background:var(--bg);color:var(--ink);font-family:var(--font-body);
  outline:none;
}
.adv-field input[type="range"]{width:100%;accent-color:var(--accent)}
.adv-checkboxes{display:flex;gap:20px;margin-top:12px;flex-wrap:wrap}
.adv-checkboxes label{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--ink2);cursor:pointer}
.adv-checkboxes input[type="checkbox"]{accent-color:var(--accent);width:15px;height:15px}

.share-row{display:flex;gap:8px;margin-bottom:10px;flex-wrap:wrap}
.share-input{
  flex:1;min-width:180px;padding:10px 14px;font-size:13px;
  border:1px dashed var(--border2);border-radius:var(--radius);
  background:var(--accent-soft);color:var(--ink2);font-family:var(--font-body);
  outline:none;
}
.btn-copy,.btn-download{
  padding:10px 16px;font-size:13px;font-weight:600;
  background:var(--ink);color:var(--bg);
  border:none;border-radius:var(--radius);cursor:pointer;
  white-space:nowrap;transition:opacity .15s;
}
.btn-copy:hover,.btn-download:hover{opacity:.8}
.btn-download{margin-top:8px;width:100%}

.prog-wrap{margin:16px 0 8px}
.prog-bar-track{height:8px;background:var(--bg3);border-radius:20px;overflow:hidden}
.prog-bar-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--good),#34d399);border-radius:20px;transition:width .3s}
.prog-text{font-size:12px;color:var(--ink3);margin-top:5px}

#previewwebsite{display:none;width:100%;max-height:220px;object-fit:cover;border-radius:var(--radius);margin:14px 0;border:1px solid var(--border)}

.results-list{list-style:none;margin-top:12px;max-height:320px;overflow-y:auto;padding-right:4px}
.results-list::-webkit-scrollbar{width:4px}
.results-list::-webkit-scrollbar-thumb{background:var(--border2);border-radius:4px}
.results-list li{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:10px 14px;background:var(--bg);
  border:1px solid var(--border);border-radius:9px;margin-bottom:7px;
  font-size:13px;
}
.results-list a{color:var(--ink2);text-decoration:none;word-break:break-all;flex:1}
.results-list a:hover{color:var(--accent);text-decoration:underline}
.status-icon{font-size:14px;flex-shrink:0}
.ext-link{
  display:inline-flex;align-items:center;gap:5px;
  font-size:13px;font-weight:600;color:var(--accent);
  text-decoration:none;margin-top:6px;
}
.ext-link:hover{text-decoration:underline}

/* ── HOW TO USE ── */
.how-section{max-width:1100px;margin:0 auto;padding:80px 24px}
.section-header{margin-bottom:52px}
.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px}
.step-card{
  background:var(--bg);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:28px 24px;
  position:relative;overflow:hidden;
  transition:box-shadow .2s,border-color .2s;
}
.step-card:hover{box-shadow:var(--card-shadow);border-color:var(--border2)}
.step-num{
  font-size:48px;font-weight:800;color:var(--border);
  line-height:1;margin-bottom:16px;font-variant-numeric:tabular-nums;
  position:absolute;right:20px;top:16px;
}
.step-icon{
  width:44px;height:44px;border-radius:12px;
  background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;margin-bottom:16px;
}
.step-card h3{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:8px}
.step-card p{font-size:13px;color:var(--ink2);line-height:1.6}

/* ── FEATURES ── */
.features-section{
  background:var(--bg2);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:80px 24px;
}
.features-inner{max-width:1100px;margin:0 auto}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:20px;margin-top:48px}
.feat-card{
  background:var(--bg);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:28px;
  transition:box-shadow .2s;
}
.feat-card:hover{box-shadow:var(--card-shadow)}
.feat-icon{
  width:48px;height:48px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:18px;
}
.feat-icon.blue{background:#dbeafe;color:#1d4ed8}
.feat-icon.purple{background:#ede9fe;color:#6d28d9}
.feat-icon.green{background:#d1fae5;color:#059669}
.feat-icon.amber{background:#fef3c7;color:#b45309}
.feat-icon.pink{background:#fce7f3;color:#9d174d}
.feat-icon.teal{background:#ccfbf1;color:#0f766e}
[data-theme="dark"] .feat-icon.blue{background:#1e2d52;color:#93c5fd}
[data-theme="dark"] .feat-icon.purple{background:#2d1f52;color:#c4b5fd}
[data-theme="dark"] .feat-icon.green{background:#052e20;color:#6ee7b7}
[data-theme="dark"] .feat-icon.amber{background:#2d1f00;color:#fcd34d}
[data-theme="dark"] .feat-icon.pink{background:#3b0d25;color:#f9a8d4}
[data-theme="dark"] .feat-icon.teal{background:#042d2a;color:#5eead4}
.feat-card h3{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:8px}
.feat-card p{font-size:13px;color:var(--ink2);line-height:1.65}

/* ── FAQ ── */
.faq-section{max-width:760px;margin:0 auto;padding:80px 24px}
.faq-list{margin-top:44px}
.faq-item{border-bottom:1px solid var(--border);overflow:hidden}
.faq-q{
  width:100%;text-align:left;padding:20px 0;
  font-size:15px;font-weight:600;color:var(--ink);
  background:transparent;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-family:var(--font-body);transition:color .15s;
}
.faq-q:hover{color:var(--accent)}
.faq-q i{font-size:16px;color:var(--ink3);transition:transform .25s;flex-shrink:0}
.faq-a{
  font-size:14px;color:var(--ink2);line-height:1.7;
  max-height:0;overflow:hidden;transition:max-height .35s ease,padding .25s;
  padding:0;
}
.faq-item.open .faq-q i{transform:rotate(45deg);color:var(--accent)}
.faq-item.open .faq-a{max-height:300px;padding-bottom:20px}

/* ── FOOTER ── */
footer{
  background:var(--bg2);
  border-top:1px solid var(--border);
  padding:56px 24px 40px;
}
.footer-inner{
  max-width:1100px;margin:0 auto;
  display:grid;grid-template-columns:2fr repeat(3,1fr);
  gap:40px;
}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:13px;color:var(--ink3);line-height:1.6;max-width:240px}
.footer-col h4{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink3);margin-bottom:14px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:9px}
.footer-col ul li a{font-size:13px;color:var(--ink2);text-decoration:none;transition:color .15s}
.footer-col ul li a:hover{color:var(--accent)}
.footer-bottom{
  max-width:1100px;margin:40px auto 0;
  padding-top:24px;border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:10px;
}
.footer-bottom p{font-size:12px;color:var(--ink3)}
.footer-badges{display:flex;gap:8px}
.fbadge{
  font-size:11px;font-weight:600;padding:4px 10px;
  border-radius:20px;border:1px solid var(--border);
  color:var(--ink3);
}

/* ── UTILS ── */
.container{max-width:1100px;margin:0 auto}
@media(max-width:900px){
  .footer-inner{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
}
@media(max-width:600px){
  .footer-inner{grid-template-columns:1fr}
  .hero h1{font-size:2rem}
  .url-row{flex-direction:column}
  .btn-generate,.btn-adv{width:100%}
}

/* hidden iframe */
.hidden-iframe{
  width:1px;height:1px;opacity:0;
  position:absolute;top:-1000px;left:-1000px;
  pointer-events:none;
}