/* ==========================================================================
   CaptureFlow — captureflow.pro
   Design system + components. Light/dark via CSS custom properties.
   ========================================================================== */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:90px}
body{min-height:100vh;display:flex;flex-direction:column;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg,video,canvas{display:block;max-width:100%;height:auto}
input,button,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;padding:0}
h1,h2,h3,h4{line-height:1.18;letter-spacing:-.022em;font-weight:700;text-wrap:balance}
p{text-wrap:pretty}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}

/* ---------- 2. Tokens ---------- */
:root{
  --brand:#2563eb; --brand-600:#2563eb; --brand-500:#3b82f6; --brand-700:#1d4ed8;
  --violet:#7c3aed; --cyan:#06b6d4; --amber:#f59e0b; --green:#10b981; --rose:#e11d48;

  --bg:#ffffff;
  --bg-soft:#f6f8fc;
  --bg-elev:#ffffff;
  --bg-inset:#eef2f9;
  --text:#0d1526;
  --text-soft:#4a5568;
  --text-mute:#6b7688;
  --border:#e3e9f2;
  --border-strong:#cfd8e6;
  --shadow-sm:0 1px 2px rgba(13,21,38,.05),0 1px 3px rgba(13,21,38,.06);
  --shadow-md:0 4px 6px -2px rgba(13,21,38,.05),0 12px 24px -6px rgba(13,21,38,.10);
  --shadow-lg:0 18px 40px -12px rgba(13,21,38,.20),0 4px 12px rgba(13,21,38,.06);
  --shadow-brand:0 10px 30px -8px rgba(37,99,235,.45);

  --radius-sm:8px; --radius:12px; --radius-lg:18px; --radius-xl:26px;
  --maxw:1160px;
  --gutter:clamp(20px,5vw,40px);
  --section-y:clamp(44px,5vw,66px);

  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --grad:linear-gradient(135deg,#3b82f6 0%,#2563eb 45%,#6d28d9 100%);
  --grad-soft:linear-gradient(135deg,rgba(59,130,246,.12),rgba(124,58,237,.12));
}
html[data-theme="dark"]{
  --bg:#0b1120;
  --bg-soft:#0f172a;
  --bg-elev:#141d31;
  --bg-inset:#1b2740;
  --text:#eef2f9;
  --text-soft:#b3bdd0;
  --text-mute:#8b97ad;
  --border:#22304d;
  --border-strong:#33436a;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow-md:0 8px 24px -6px rgba(0,0,0,.5);
  --shadow-lg:0 24px 50px -14px rgba(0,0,0,.65);
  --shadow-brand:0 10px 34px -10px rgba(59,130,246,.55);
  --brand:#60a5fa;
  --grad-soft:linear-gradient(135deg,rgba(59,130,246,.18),rgba(124,58,237,.18));
}

body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16.5px;
  transition:background-color .25s ease,color .25s ease;
}

/* ---------- 3. Layout ---------- */
main{flex:1}
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.wrap-narrow{max-width:880px}
section{position:relative}
.section{padding-block:var(--section-y)}
.section-soft{background:var(--bg-soft)}
.section-tight{padding-block:clamp(30px,3.6vw,46px)}
.grid{display:grid;gap:clamp(18px,2.5vw,28px)}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(272px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(216px,1fr))}
.center{text-align:center}
.stack-sm > * + *{margin-top:10px}

.sec-head{max-width:640px;margin-bottom:clamp(24px,3.2vw,38px)}
.sec-head.center{margin-inline:auto}
.sec-head h2{font-size:clamp(1.75rem,3.6vw,2.6rem);margin-bottom:14px}
.sec-head p{color:var(--text-soft);font-size:1.06rem}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--brand);margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad)}
.sec-head.center .eyebrow::before{display:none}

/* ---------- 4. Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:var(--radius);
  font-weight:600;font-size:.965rem;letter-spacing:-.01em;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .16s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
}
.btn svg{width:18px;height:18px;flex:none}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-brand)}
.btn-primary:hover{box-shadow:0 16px 38px -10px rgba(37,99,235,.6)}
/* Ghost sits on both page and card backgrounds, so it uses the inset tone —
   otherwise it disappears into a white card in light mode and a navy card in dark. */
.btn-ghost{background:var(--bg-inset);color:var(--text);border-color:var(--border-strong);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{background:var(--bg-elev);border-color:var(--brand);color:var(--brand)}
.btn-lg{padding:16px 30px;font-size:1.02rem;border-radius:14px}
.btn-sm{padding:9px 16px;font-size:.875rem;border-radius:10px}
.btn-block{width:100%}
.btn[aria-disabled="true"]{opacity:.6;pointer-events:none}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.btn-row.center{justify-content:center}

/* ---------- 5. Badges / pills ---------- */
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;
  font-size:.78rem;font-weight:600;line-height:1.4;
  background:var(--bg-inset);color:var(--text-soft);border:1px solid var(--border);
}
.pill-brand{background:var(--grad-soft);color:var(--brand);border-color:transparent}
.pill-soon{background:rgba(245,158,11,.14);color:#b45309;border-color:rgba(245,158,11,.3)}
html[data-theme="dark"] .pill-soon{color:#fbbf24}
.pill-live{background:rgba(16,185,129,.13);color:#047857;border-color:rgba(16,185,129,.3)}
html[data-theme="dark"] .pill-live{color:#34d399}
.pill-xs{padding:3px 9px;font-size:.68rem;letter-spacing:.04em;text-transform:uppercase}
.dot{width:7px;height:7px;border-radius:50%;background:currentColor;flex:none}

/* ---------- 6. Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.scrolled{border-bottom-color:var(--border);box-shadow:0 1px 16px rgba(13,21,38,.05)}
.nav{display:flex;align-items:center;gap:14px;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.09rem;letter-spacing:-.03em;margin-right:auto}
.brand img{width:32px;height:32px;border-radius:9px;box-shadow:var(--shadow-sm)}
.brand i{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  padding:9px 14px;border-radius:9px;font-size:.94rem;font-weight:500;color:var(--text-soft);
  transition:color .18s ease,background-color .18s ease;
}
.nav-links a:hover{color:var(--text);background:var(--bg-inset)}
.nav-links a[aria-current="page"]{color:var(--brand);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px}

.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;border-radius:10px;
  border:1px solid var(--border);color:var(--text-soft);background:var(--bg-elev);
  transition:color .18s,border-color .18s;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand)}
.icon-btn svg{width:18px;height:18px}
.theme-toggle .moon{display:none}
html[data-theme="dark"] .theme-toggle .sun{display:none}
html[data-theme="dark"] .theme-toggle .moon{display:block}

.burger{display:none}
@media (max-width:940px){
  .nav-links{
    position:fixed;inset:70px 0 auto;flex-direction:column;align-items:stretch;gap:2px;
    background:var(--bg);border-bottom:1px solid var(--border);
    padding:14px var(--gutter) 24px;box-shadow:var(--shadow-lg);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:.2s ease;
  }
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-links a{padding:13px 12px;font-size:1rem}
  .burger{display:grid}
  .nav-actions .btn{display:none}
}

/* ---------- 7. Hero ---------- */
.hero{position:relative;padding-top:clamp(40px,5.5vw,68px);padding-bottom:clamp(32px,4vw,52px);overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:-30% -20% auto;height:760px;z-index:0;pointer-events:none;
  background:
    radial-gradient(560px 320px at 22% 20%,rgba(59,130,246,.20),transparent 65%),
    radial-gradient(520px 300px at 78% 8%,rgba(124,58,237,.17),transparent 65%),
    radial-gradient(600px 320px at 50% 60%,rgba(6,182,212,.10),transparent 70%);
}
.hero-grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(circle at 50% 22%,#000 0%,transparent 68%);
  mask-image:radial-gradient(circle at 50% 22%,#000 0%,transparent 68%);
  opacity:.5;
}
.hero .wrap{position:relative;z-index:1}
.hero-inner{max-width:820px;margin-inline:auto;text-align:center}
.hero h1{font-size:clamp(2.15rem,5.6vw,3.9rem);letter-spacing:-.035em;margin-bottom:20px}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lede{font-size:clamp(1.03rem,1.9vw,1.22rem);color:var(--text-soft);max-width:620px;margin:0 auto 30px}
.hero-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 22px;margin-top:22px;font-size:.86rem;color:var(--text-mute)}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta svg{width:15px;height:15px;color:var(--green)}

.hero-shot{margin-top:clamp(30px,4vw,48px);position:relative}
.hero-shot img{
  width:100%;border-radius:var(--radius-lg);
  border:1px solid var(--border);box-shadow:var(--shadow-lg);
}
.hero-shot::after{
  content:"";position:absolute;left:8%;right:8%;bottom:-26px;height:60px;z-index:-1;
  background:var(--grad);filter:blur(46px);opacity:.32;border-radius:50%;
}

/* ---------- 8. Cards ---------- */
.card{
  background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:clamp(22px,2.6vw,30px);box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}
.card h3{font-size:1.13rem;margin-bottom:9px}
.card p{color:var(--text-soft);font-size:.95rem}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:var(--grad-soft);color:var(--brand);margin-bottom:18px;
}
.card-icon svg{width:23px;height:23px}
.card-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:9px}
.card-head h3{margin:0}

/* ---------- 9. Steps ---------- */
.steps{display:grid;gap:clamp(18px,2.5vw,26px);grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.step-n{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-weight:700;font-size:1.02rem;margin-bottom:16px;
  box-shadow:var(--shadow-brand);
}
.step h3{font-size:1.08rem;margin-bottom:8px}
.step p{color:var(--text-soft);font-size:.95rem}

/* ---------- 10. Feature split rows ---------- */
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:clamp(28px,5vw,64px);align-items:center}
.split + .split{margin-top:clamp(42px,5.5vw,72px)}
.split img{border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-md)}
.split h2{font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:14px}
.split > div > p{color:var(--text-soft);margin-bottom:20px}
@media (min-width:820px){.split-rev .split-media{order:1}}

/* ---------- 11. Check lists ---------- */
.checks li{display:flex;gap:11px;align-items:flex-start;padding:6px 0;font-size:.96rem;color:var(--text-soft)}
.checks svg{width:19px;height:19px;flex:none;margin-top:2px;color:var(--green)}
.checks li.off svg{color:var(--text-mute);opacity:.6}
.checks li.off{opacity:.68}
.checks strong{color:var(--text);font-weight:600}

/* ---------- 12. Pricing ---------- */
.price-toggle{display:inline-flex;align-items:center;gap:4px;padding:5px;border-radius:999px;background:var(--bg-inset);border:1px solid var(--border);margin-bottom:14px}
.price-toggle button{padding:9px 20px;border-radius:999px;font-size:.9rem;font-weight:600;color:var(--text-soft);transition:.18s}
.price-toggle button.active{background:var(--bg-elev);color:var(--text);box-shadow:var(--shadow-sm)}
.save-tag{font-size:.72rem;font-weight:700;color:var(--green);margin-left:6px}

.plans{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));align-items:stretch}
.plan{
  background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-xl);
  padding:clamp(26px,3vw,34px);box-shadow:var(--shadow-sm);position:relative;
  display:flex;flex-direction:column;
}
.plan-featured{
  box-shadow:var(--shadow-lg);
  background:linear-gradient(var(--bg-elev),var(--bg-elev)) padding-box,var(--grad) border-box;
  border:2px solid transparent;
}
.plan-tag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--grad);color:#fff;font-size:.72rem;font-weight:700;
  letter-spacing:.07em;text-transform:uppercase;padding:6px 15px;border-radius:999px;
  box-shadow:var(--shadow-brand);white-space:nowrap;
}
.plan h3{font-size:1.22rem;margin-bottom:6px}
.plan .plan-sub{color:var(--text-mute);font-size:.9rem;margin-bottom:22px;min-height:44px}
.plan-price{display:flex;align-items:baseline;gap:5px;margin-bottom:6px}
.plan-price .amt{font-size:2.9rem;font-weight:800;letter-spacing:-.045em;line-height:1}
.plan-price .per{color:var(--text-mute);font-size:.92rem;font-weight:500}
.plan-note{font-size:.83rem;color:var(--text-mute);min-height:22px;margin-bottom:22px}
.plan > .btn{margin-bottom:26px}
.plan-feats{border-top:1px solid var(--border);padding-top:22px;flex:1}
.plan-feats .lbl{font-size:.76rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-mute);margin-bottom:12px}

.table-scroll{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-elev);box-shadow:var(--shadow-sm)}
table.cmp{width:100%;border-collapse:collapse;min-width:680px;font-size:.94rem}
table.cmp th,table.cmp td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--border)}
table.cmp thead th{font-size:.78rem;letter-spacing:.07em;text-transform:uppercase;color:var(--text-mute);background:var(--bg-soft)}
table.cmp td:not(:first-child),table.cmp th:not(:first-child){text-align:center;width:19%}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp .grp td{background:var(--bg-inset);font-weight:700;font-size:.78rem;letter-spacing:.07em;text-transform:uppercase;color:var(--text-soft)}
.yes{color:var(--green);font-weight:700}
.nope{color:var(--text-mute);opacity:.7}

/* ---------- 13. FAQ ---------- */
.faq{max-width:800px;margin-inline:auto;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-elev)}
.faq details{border-bottom:1px solid var(--border)}
.faq details:last-child{border-bottom:0}
.faq summary{
  padding:19px 24px;font-weight:600;cursor:pointer;list-style:none;
  display:flex;justify-content:space-between;gap:18px;align-items:center;font-size:1rem;
  transition:color .18s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand)}
.faq summary::after{content:"+";font-size:1.5rem;font-weight:400;color:var(--text-mute);line-height:1;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg);color:var(--brand)}
.faq .answer{padding:0 24px 22px;color:var(--text-soft);font-size:.96rem;max-width:66ch}
.faq .answer p + p{margin-top:12px}
.faq .answer a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}

/* ---------- 14. CTA band ---------- */
.cta-band{
  background:var(--grad);color:#fff;border-radius:var(--radius-xl);
  padding:clamp(38px,6vw,64px);text-align:center;position:relative;overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.28;
  background-image:radial-gradient(circle at 18% 22%,rgba(255,255,255,.5),transparent 42%),
                   radial-gradient(circle at 84% 78%,rgba(255,255,255,.35),transparent 46%);
}
.cta-band > *{position:relative}
.cta-band h2{font-size:clamp(1.6rem,3.4vw,2.4rem);margin-bottom:14px}
.cta-band p{opacity:.93;max-width:540px;margin:0 auto 28px}
.cta-band .btn-primary{background:#fff;color:var(--brand-700);box-shadow:0 10px 26px rgba(0,0,0,.2)}
/* On the gradient, a 12%-white fill reads as no button at all — give it a solid
   white outline and enough fill to separate from the background behind it. */
.cta-band .btn-ghost{
  background:rgba(255,255,255,.16);
  border:2px solid rgba(255,255,255,.9);
  color:#fff;
  box-shadow:0 6px 18px rgba(0,0,0,.16);
}
.cta-band .btn-ghost:hover{background:#fff;color:var(--brand-700);border-color:#fff}

/* ---------- 15. Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:20px;text-align:center}
.stat .n{font-size:clamp(1.8rem,3.4vw,2.5rem);font-weight:800;letter-spacing:-.04em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .l{font-size:.88rem;color:var(--text-mute);margin-top:4px}

/* ---------- 16. Keyboard / code ---------- */
kbd{
  display:inline-block;padding:3px 8px;border-radius:6px;font-family:var(--mono);font-size:.8rem;
  background:var(--bg-inset);border:1px solid var(--border-strong);border-bottom-width:2px;color:var(--text);
  white-space:nowrap;
}
code{font-family:var(--mono);font-size:.88em;background:var(--bg-inset);padding:2px 6px;border-radius:5px}
pre{background:var(--bg-inset);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;overflow-x:auto;font-family:var(--mono);font-size:.86rem;line-height:1.65}
pre code{background:none;padding:0}

/* ---------- 17. Docs layout ---------- */
.docs{display:grid;grid-template-columns:232px 1fr;gap:clamp(28px,5vw,56px);align-items:start}
.docs-nav{position:sticky;top:94px}
.docs-nav .lbl{font-size:.74rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--text-mute);margin:22px 0 8px}
.docs-nav .lbl:first-child{margin-top:0}
.docs-nav a{display:block;padding:7px 12px;border-radius:8px;font-size:.92rem;color:var(--text-soft);border-left:2px solid transparent}
.docs-nav a:hover{color:var(--brand);background:var(--bg-soft)}
.docs-nav a.active{color:var(--brand);font-weight:600;border-left-color:var(--brand);background:var(--bg-soft)}
@media (max-width:900px){.docs{grid-template-columns:1fr}.docs-nav{position:static;padding-bottom:20px;border-bottom:1px solid var(--border)}}

/* ---------- 18. Prose ---------- */
.prose{max-width:74ch;color:var(--text-soft);font-size:1.005rem}
.prose h2{font-size:1.5rem;color:var(--text);margin:44px 0 14px;scroll-margin-top:96px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:1.12rem;color:var(--text);margin:30px 0 10px;scroll-margin-top:96px}
.prose p{margin-bottom:15px}
.prose ul{margin:0 0 18px}
.prose ul li{position:relative;padding-left:24px;margin-bottom:9px}
.prose ul li::before{content:"";position:absolute;left:6px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand)}
.prose ol{counter-reset:n;margin:0 0 18px}
.prose ol li{counter-increment:n;position:relative;padding-left:32px;margin-bottom:10px}
.prose ol li::before{content:counter(n);position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:6px;background:var(--grad-soft);color:var(--brand);font-size:.76rem;font-weight:700;display:grid;place-items:center}
.prose a{color:var(--brand);font-weight:500;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose a:hover{text-decoration-thickness:2px}
.prose strong{color:var(--text);font-weight:600}
.prose table{width:100%;border-collapse:collapse;margin-bottom:22px;font-size:.93rem}
.prose th,.prose td{padding:11px 14px;border:1px solid var(--border);text-align:left}
.prose th{background:var(--bg-soft);font-weight:600;color:var(--text)}
.prose blockquote{border-left:3px solid var(--brand);padding:2px 0 2px 18px;margin:0 0 18px;color:var(--text-mute);font-style:italic}
.prose hr{border:0;border-top:1px solid var(--border);margin:36px 0}
.prose .table-wrap{overflow-x:auto}

/* Page hero (inner pages) */
.page-head{padding-block:clamp(36px,5vw,60px) clamp(20px,2.6vw,32px);position:relative;overflow:hidden}
.page-head::before{
  content:"";position:absolute;inset:-60% -10% auto;height:420px;pointer-events:none;
  background:radial-gradient(500px 260px at 30% 40%,rgba(59,130,246,.16),transparent 66%),
             radial-gradient(460px 240px at 74% 24%,rgba(124,58,237,.14),transparent 66%);
}
.page-head .wrap{position:relative}
.page-head h1{font-size:clamp(2rem,4.6vw,3.1rem);margin-bottom:16px}
.page-head p{color:var(--text-soft);font-size:1.08rem;max-width:640px}
.page-head.center .wrap > *{margin-inline:auto}
.page-head.center{text-align:center}
.updated{font-size:.86rem;color:var(--text-mute);margin-top:14px}

/* ---------- 19. Forms ---------- */
.field{margin-bottom:18px}
.field label{display:block;font-size:.88rem;font-weight:600;margin-bottom:7px}
.field input,.field textarea,.field select{
  width:100%;padding:12px 15px;border-radius:var(--radius);
  border:1px solid var(--border-strong);background:var(--bg);color:var(--text);
  font-size:.96rem;transition:border-color .18s,box-shadow .18s;
}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px color-mix(in srgb,var(--brand) 16%,transparent);
}
.field textarea{min-height:150px;resize:vertical}
.field .hint{font-size:.82rem;color:var(--text-mute);margin-top:6px}

/* ---------- 20. Footer ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--border);padding-block:clamp(46px,6vw,66px) 30px}
.foot-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:clamp(26px,4vw,44px)}
@media (max-width:820px){.foot-grid{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1/-1}}
.foot-brand p{color:var(--text-mute);font-size:.92rem;margin:14px 0 18px;max-width:34ch}
.foot-col h4{font-size:.78rem;letter-spacing:.09em;text-transform:uppercase;color:var(--text-mute);margin-bottom:14px;font-weight:700}
.foot-col li{margin-bottom:9px}
.foot-col a{font-size:.94rem;color:var(--text-soft)}
.foot-col a:hover{color:var(--brand)}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  margin-top:clamp(34px,5vw,50px);padding-top:24px;border-top:1px solid var(--border);
  font-size:.88rem;color:var(--text-mute);
}
.foot-bottom a:hover{color:var(--brand)}
.made b{color:var(--text);font-weight:600}

/* ---------- 21. Misc ---------- */
.skip{position:absolute;left:-9999px;top:0;z-index:100;padding:12px 20px;background:var(--brand);color:#fff;border-radius:0 0 10px 0}
.skip:focus{left:0}
.notice{
  display:flex;gap:13px;align-items:flex-start;padding:16px 20px;border-radius:var(--radius);
  background:var(--grad-soft);border:1px solid color-mix(in srgb,var(--brand) 22%,transparent);
  font-size:.94rem;color:var(--text-soft);
}
.notice svg{width:20px;height:20px;flex:none;color:var(--brand);margin-top:2px}
.notice strong{color:var(--text)}
.notice a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.divider{height:1px;background:var(--border);border:0;margin-block:clamp(30px,4vw,46px)}

.shortcut-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:12px}
.shortcut{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 18px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elev);font-size:.93rem}
.shortcut span{color:var(--text-soft)}

.tool-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:10px}
.tool{display:flex;align-items:center;gap:11px;padding:12px 15px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elev);font-size:.92rem;font-weight:500}
.tool i{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;background:var(--grad-soft);color:var(--brand);flex:none}
.tool i svg{width:16px;height:16px}

.timeline{position:relative;padding-left:34px;max-width:780px}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:var(--border)}
.tl-item{position:relative;padding-bottom:38px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-34px;top:4px;width:20px;height:20px;border-radius:50%;background:var(--bg);border:3px solid var(--border-strong)}
.tl-item.done::before{background:var(--grad);border-color:transparent;box-shadow:var(--shadow-brand)}
.tl-item.now::before{background:var(--bg);border-color:var(--brand)}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:11px;margin-bottom:10px}
.tl-head h3{font-size:1.12rem;margin:0}
.tl-date{font-size:.84rem;color:var(--text-mute)}
.tl-item ul li{position:relative;padding-left:20px;color:var(--text-soft);font-size:.95rem;margin-bottom:7px}
.tl-item ul li::before{content:"";position:absolute;left:4px;top:10px;width:5px;height:5px;border-radius:50%;background:var(--text-mute)}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

.four{min-height:58vh;display:grid;place-items:center;text-align:center;padding-block:60px}
.four .code{font-size:clamp(5rem,16vw,10rem);font-weight:800;letter-spacing:-.06em;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}