/* Agency Prompt OS — Minimal CSS design system (mobile-first)
   - No heavy dependencies
   - Dark mode supported (prefers-color-scheme + toggle)
*/
:root{
  --bg: #0b1020;
  --bg2:#0f1730;
  --surface:#0f1933;
  --card:#0f1b36;
  --card2:#0b142b;
  --text:#e9eefc;
  --muted:#b4c0e6;
  --line: rgba(255,255,255,.10);
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --shadow2: 0 6px 18px rgba(0,0,0,.25);

  --p: #7c5cff;
  --p2:#35c2ff;
  --good:#2fe69a;
  --bad:#ff4d5a;
  --warn:#ffc74a;

  --radius: 18px;
  --radius2: 12px;

  --container: 1120px;
  --pad: 18px;

  --fs-1: clamp(2.0rem, 2.5vw, 3.0rem);
  --fs-2: clamp(1.45rem, 1.8vw, 2.0rem);
  --fs-3: 1.125rem;
  --fs-4: 1rem;
  --fs-s: .9rem;
  --lh: 1.55;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Noto Sans", Arial, "Apple Color Emoji","Segoe UI Emoji";
}

/* Light theme variables */
:root[data-theme="light"]{
  --bg:#f7f9ff;
  --bg2:#eef2ff;
  --surface:#ffffff;
  --card:#ffffff;
  --card2:#f6f7ff;
  --text:#0e1632;
  --muted:#4c5b85;
  --line: rgba(14,22,50,.12);
  --shadow: 0 14px 34px rgba(14,22,50,.12);
  --shadow2: 0 8px 18px rgba(14,22,50,.10);
  --p:#5b46ff;
  --p2:#0077ff;
}

/* Respect system preference by default */
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){
    --bg:#f7f9ff;--bg2:#eef2ff;--surface:#fff;--card:#fff;--card2:#f6f7ff;
    --text:#0e1632;--muted:#4c5b85;--line:rgba(14,22,50,.12);
    --shadow:0 14px 34px rgba(14,22,50,.12);--shadow2:0 8px 18px rgba(14,22,50,.10);
    --p:#5b46ff;--p2:#0077ff;
  }
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  line-height:var(--lh);
  color:var(--text);
  background:
    radial-gradient(1000px 500px at 20% -5%, rgba(124,92,255,.35), transparent 60%),
    radial-gradient(900px 500px at 80% 0%, rgba(53,194,255,.25), transparent 65%),
    linear-gradient(180deg,var(--bg),var(--bg2));
  min-height:100vh;
}
a{color:inherit}
img{max-width:100%;height:auto}
.container{max-width:var(--container);margin:0 auto;padding:0 var(--pad)}
.narrow{max-width:760px}
.main{padding-top:72px}

/* Skip link */
.skip-link{
  position:absolute;left:-9999px;top:8px;z-index:999;
  background:var(--surface);color:var(--text);padding:10px 12px;border-radius:12px;
  border:1px solid var(--line);box-shadow:var(--shadow2)
}
.skip-link:focus{left:10px;outline:2px solid rgba(124,92,255,.6)}

/* Header/Nav */
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(10,16,32,.65);
  backdrop-filter: blur(14px);
  border-bottom:1px solid var(--line);
}
:root[data-theme="light"] .header{background:rgba(247,249,255,.75)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:72px}
.brand{display:flex;gap:10px;align-items:center;text-decoration:none}
.brand-mark{
  width:34px;height:34px;border-radius:12px;
  background: linear-gradient(135deg, var(--p), var(--p2));
  box-shadow: 0 10px 25px rgba(124,92,255,.25);
}
.brand-name{font-weight:700;letter-spacing:.2px}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text);cursor:pointer
}
.nav-toggle:focus-visible{outline:2px solid rgba(124,92,255,.6);outline-offset:2px}
.nav-toggle-lines{
  width:18px;height:2px;background:currentColor;position:relative;display:block
}
.nav-toggle-lines::before,.nav-toggle-lines::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor
}
.nav-toggle-lines::before{top:-6px}
.nav-toggle-lines::after{top:6px}

.nav-links{display:none;width:100%}
.nav-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.nav-link{
  display:block;padding:10px 12px;border-radius:12px;text-decoration:none;
  border:1px solid transparent
}
.nav-link:hover{background:rgba(255,255,255,.05)}
.nav-link.active{border-color:rgba(124,92,255,.35);background:rgba(124,92,255,.10)}
.nav-actions{display:flex;flex-direction:column;gap:10px;margin-top:10px}

@media (min-width: 920px){
  .nav-toggle{display:none}
  .nav-links{display:flex;align-items:center;justify-content:space-between;gap:16px}
  .nav-list{flex-direction:row;gap:6px}
  .nav-actions{flex-direction:row;align-items:center;margin-top:0}
}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border-radius:14px;padding:10px 14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  text-decoration:none;
  font-weight:600;
  cursor:pointer;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}
.btn:hover{transform: translateY(-1px);background:rgba(255,255,255,.06)}
.btn:active{transform: translateY(0)}
.btn:focus-visible{outline:2px solid rgba(124,92,255,.6);outline-offset:2px}
.btn-primary{
  border-color:rgba(124,92,255,.35);
  background: linear-gradient(135deg, rgba(124,92,255,.95), rgba(53,194,255,.9));
  box-shadow: 0 14px 30px rgba(124,92,255,.25);
}
.btn-primary:hover{filter:saturate(1.05)}
.btn-ghost{background:transparent}
.btn-lg{padding:12px 16px;border-radius:16px}
.btn-icon{width:44px;height:44px;padding:0;border-radius:14px}
.icon,.icon-sm{display:block}
.icon{width:20px;height:20px}
.icon-sm{width:18px;height:18px}

/* Typography */
.h1{font-size:var(--fs-1);line-height:1.08;margin:0 0 12px}
.h2{font-size:var(--fs-2);line-height:1.15;margin:0 0 10px}
.h3{font-size:var(--fs-3);line-height:1.2;margin:0 0 8px}
.lead{font-size:1.1rem;color:var(--muted);margin:0 0 16px}
.muted{color:var(--muted)}
.small{font-size:var(--fs-s)}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 12px;border-radius:999px;
  border:1px solid rgba(124,92,255,.35);
  background:rgba(124,92,255,.10);
  font-weight:600;font-size:.9rem;
}

/* Layout blocks */
.section{padding:54px 0}
.section-head{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.grid{display:grid;gap:14px}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
@media(min-width:760px){
  .grid-2{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(3,1fr)}
}

/* Cards */
.card{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:var(--shadow2);
}
.card-soft{background:rgba(255,255,255,.03)}
.card-glow{
  background:
    radial-gradient(900px 240px at 20% 0%, rgba(124,92,255,.16), transparent 55%),
    radial-gradient(900px 240px at 80% 0%, rgba(53,194,255,.14), transparent 60%),
    rgba(255,255,255,.04);
  border-color: rgba(124,92,255,.28);
  box-shadow:var(--shadow);
}
.feature-card .icon-wrap{
  width:42px;height:42px;border-radius:14px;
  display:grid;place-items:center;
  background: rgba(124,92,255,.12);
  border:1px solid rgba(124,92,255,.22);
  margin-bottom:12px;
}

.list{margin:12px 0 0;padding-left:18px}
.list li{margin:6px 0}
.stack{display:flex;flex-direction:column;gap:12px}

.split{display:grid;gap:14px}
@media(min-width:900px){.split{grid-template-columns:1fr 1fr;align-items:stretch}}

/* Hero */
.hero{padding:42px 0 28px}
.hero-grid{display:grid;gap:22px;align-items:center}
@media(min-width:920px){.hero-grid{grid-template-columns: 1.1fr .9fr}}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 12px}
.hero-list{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-direction:column;gap:10px}
.hero-list li{display:flex;align-items:flex-start;gap:10px;color:var(--muted)}
.hero-visual{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.hero-visual img{display:block;width:100%}
.hero-glow{
  position:absolute;inset:-60px;
  background: radial-gradient(closest-side, rgba(124,92,255,.18), transparent 70%);
  pointer-events:none
}
.proof{margin-top:22px;display:grid;gap:14px}
.proof-logos{display:flex;flex-wrap:wrap;gap:10px}
.logo-pill{
  font-size:.9rem;color:var(--muted);
  padding:8px 12px;border-radius:999px;border:1px dashed var(--line);
  background:rgba(255,255,255,.02)
}
.proof-metrics{display:grid;gap:10px;grid-template-columns:repeat(3,1fr)}
.metric{border:1px solid var(--line);border-radius:16px;padding:12px;background:rgba(255,255,255,.02)}
.metric-value{font-weight:800;font-size:1.05rem}
.metric-label{font-size:.9rem}

/* Steps */
.steps{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.step{display:flex;gap:12px;align-items:flex-start}
.step-num{
  width:34px;height:34px;border-radius:14px;
  display:grid;place-items:center;
  background:rgba(53,194,255,.12);
  border:1px solid rgba(53,194,255,.22);
  font-weight:800;
}

/* Pricing */
.pricing{display:flex;flex-direction:column;gap:12px}
.pricing-highlight{border-color: rgba(124,92,255,.40);background: rgba(124,92,255,.08)}
.price{display:flex;flex-direction:column;gap:4px}
.price-value{font-size:1.6rem;font-weight:900}
.price-note{font-size:.9rem}

/* Accordion */
.accordion details summary{
  cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  font-weight:700;list-style:none
}
.accordion details summary::-webkit-details-marker{display:none}
.details-body{padding-top:10px}

/* CTA */
.cta{padding:34px 0 64px}
.cta-inner{
  display:flex;flex-direction:column;gap:16px;
  border-radius: calc(var(--radius) + 6px);
  padding:20px;
  border:1px solid rgba(124,92,255,.26);
  background:
    radial-gradient(900px 240px at 20% 0%, rgba(124,92,255,.18), transparent 60%),
    radial-gradient(900px 240px at 80% 0%, rgba(53,194,255,.16), transparent 60%),
    rgba(255,255,255,.03);
}
.cta-actions{display:flex;gap:10px;flex-wrap:wrap}
@media(min-width:820px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between}}

/* Forms */
.form{padding:18px}
.field{display:flex;flex-direction:column;gap:6px}
label{font-weight:650}
input, textarea, select{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--text);
}
:root[data-theme="light"] input,:root[data-theme="light"] textarea,:root[data-theme="light"] select{
  background:#fff;
}
input:focus, textarea:focus, select:focus{outline:2px solid rgba(124,92,255,.5);border-color:rgba(124,92,255,.35)}
.alert{
  border-radius:16px;padding:12px 14px;margin:14px 0;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.alert.success{border-color:rgba(47,230,154,.35);background:rgba(47,230,154,.10)}
.alert.error{border-color:rgba(255,77,90,.35);background:rgba(255,77,90,.10)}

/* Footer */
.footer{padding:44px 0 18px;border-top:1px solid var(--line);margin-top:26px}
.footer-grid{display:grid;gap:16px}
.footer-title{font-size:1rem;margin:0 0 10px}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.footer-links a{text-decoration:none;color:var(--muted)}
.footer-links a:hover{color:var(--text)}
.footer-social{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.chip{display:inline-flex;padding:8px 10px;border-radius:999px;border:1px solid var(--line);text-decoration:none;color:var(--muted)}
.chip:hover{color:var(--text);background:rgba(255,255,255,.04)}
.footer-bottom{padding-top:14px;border-top:1px solid var(--line);margin-top:18px}

@media(min-width:900px){
  .footer-grid{grid-template-columns: 1.2fr 1fr 1fr 1fr}
}

/* Dashboard */
.dash-head{display:flex;flex-direction:column;gap:12px;margin-bottom:18px}
.dash-actions{display:flex;gap:10px;flex-wrap:wrap}
@media(min-width:820px){.dash-head{flex-direction:row;align-items:flex-end;justify-content:space-between}}

/* Prose */
.prose p{margin:12px 0}
.prose h2{margin-top:18px}