:root {
  --bg: #0b1020;
  --surface: #11172a;
  --text: #e6e9f5;
  --muted: #9aa3b2;
  --primary: #7c8cff;
  --primary-2: #9b6bff;
  --border: #1e2742;
  --success: #22c55e;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 70% -10%, rgba(124,140,255,.12), transparent 50%), var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }

.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .625rem .9rem; border-radius: .7rem; border: 1px solid transparent; text-decoration: none; color: var(--text); font-weight: 600; }
.btn:hover { transform: translateY(-1px); transition: .2s ease; }
.btn-lg { padding: .85rem 1.1rem; font-size: 1.05rem; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); box-shadow: 0 10px 20px rgba(124,140,255,.25); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }

.badge { display: inline-block; padding: .25rem .5rem; border: 1px solid var(--border); border-radius: .5rem; color: var(--muted); font-size: .85rem; }

.site-header { position: sticky; top: 0; backdrop-filter: saturate(1.2) blur(8px); background: rgba(11,16,32,.6); border-bottom: 1px solid rgba(30,39,66,.6); z-index: 50; }
.nav { display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: 1rem; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: .6rem; font-weight: 700; color: var(--text); text-decoration: none; }
.brand.small { font-size: .95rem; opacity: .9; }
.nav-links { display: flex; gap: 1.1rem; }
.nav-links a { color: var(--muted); text-decoration: none; font-weight: 500; }
.nav-links a:hover { color: var(--text); }
.nav-cta { display: flex; gap: .6rem; align-items: center; }
.menu-toggle { display: none; border: 1px solid var(--border); background: var(--surface); color: var(--text); padding: .5rem .65rem; border-radius: .6rem; }

.hero { position: relative; padding: 72px 0 40px; }
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2.5rem; align-items: center; }
.hero-copy h1 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.1; margin: 0 0 .75rem; }
.hero-copy p { color: var(--muted); font-size: 1.1rem; margin: 0 0 1.25rem; }
.hero-cta { display: flex; gap: .8rem; align-items: center; flex-wrap: wrap; }
.trust { margin-top: 1rem; display: flex; gap: .5rem; flex-wrap: wrap; }
.hero-visual { display: flex; justify-content: center; }
.device { width: 420px; max-width: 100%; border-radius: 14px; background: linear-gradient(180deg, #0f1530, #0b1228); border: 1px solid var(--border); box-shadow: 0 20px 40px rgba(0,0,0,.35); }
.device-bar { height: 38px; border-bottom: 1px solid var(--border); background: linear-gradient(90deg, rgba(255,255,255,.06), transparent); border-top-left-radius: 14px; border-top-right-radius: 14px; }
.device-screen { padding: 18px; min-height: 260px; }
.timeline { display: grid; gap: 10px; }
.tl-item { padding: 12px 14px; background: rgba(124,140,255,.08); border: 1px dashed rgba(124,140,255,.25); border-radius: 10px; animation: pulse 4s ease infinite; }
@keyframes pulse { 0%,100%{ opacity:1 } 50%{ opacity:.8 } }

.hero-glow { position: absolute; inset: -120px -10px auto -10px; height: 300px; background: radial-gradient(350px 120px at 70% 0, rgba(124,140,255,.18), transparent 60%); pointer-events: none; }

.section-head { text-align: center; margin: 56px auto 24px; }
.section-head h2 { margin: 0 0 .5rem; font-size: clamp(1.4rem, 2.6vw, 2rem); }
.section-head p { margin: 0; color: var(--muted); }

.logos { padding: 20px 0; }
.logos-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; opacity: .75; }
.logo { display: grid; place-items: center; height: 44px; border: 1px dashed var(--border); border-radius: 8px; color: var(--muted); font-weight: 600; }

.features .grid-3, .pricing .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 18px; }
.card .icon { font-size: 24px; }
.card h3 { margin: 8px 0 6px; }
.card p { margin: 0; color: var(--muted); }

.how .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; list-style: none; padding: 0; margin: 0; }
.how .steps h4 { margin: 0 0 6px; }
.how .steps p { margin: 0; color: var(--muted); }

.roi { background: linear-gradient(180deg, rgba(124,140,255,.08), transparent); padding: 40px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.roi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.calculator { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.calculator label { display: grid; gap: 6px; font-weight: 600; }
.calculator input { background: #0c1327; color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: .6rem .7rem; }
.calc-result .result-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; display: grid; gap: 12px; }
.result-stat { display: grid; gap: 4px; }
.result-stat span { font-size: 1.4rem; font-weight: 700; }
.result-badge { display: inline-block; padding: .5rem .7rem; border-radius: .6rem; background: rgba(34,197,94,.12); color: #7ef2a8; border: 1px solid rgba(34,197,94,.25); font-weight: 700; }

.plan { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 18px; display: grid; gap: 10px; position: relative; }
.plan-featured { border-color: rgba(124,140,255,.6); box-shadow: 0 10px 24px rgba(124,140,255,.15); }
.plan .price { font-size: 1.6rem; font-weight: 800; }
.plan .price small { font-size: .9rem; font-weight: 600; color: var(--muted); margin-left: .4rem; display: block; margin-top: .2rem; }
.plan .price-original { font-size: .85rem; font-weight: 500; color: var(--muted); text-decoration: line-through; margin-top: .3rem; }
.plan .save-amount { font-size: .9rem; font-weight: 700; color: var(--success); background: rgba(34,197,94,.12); padding: .3rem .6rem; border-radius: .5rem; display: inline-block; justify-self: start; }
.plan .sale-badge { position: absolute; top: 12px; right: 12px; background: linear-gradient(135deg, #ef4444, #dc2626); color: white; padding: .3rem .6rem; border-radius: .5rem; font-size: .75rem; font-weight: 800; letter-spacing: .5px; box-shadow: 0 2px 8px rgba(239,68,68,.4); }
.plan .featured-label { font-size: .85rem; font-weight: 600; color: var(--primary); background: rgba(124,140,255,.12); padding: .4rem .7rem; border-radius: .5rem; text-align: center; margin-bottom: .3rem; }
.plan ul { margin: 0; padding-left: 18px; color: var(--muted); }
.plan a { justify-self: start; }

.quotes { display: grid; gap: 12px; }
.quotes blockquote { margin: 0; padding: 14px 16px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; }
.quotes cite { color: var(--muted); font-style: normal; }

.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.faq-grid details { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 10px 14px; }
.faq-grid summary { cursor: pointer; font-weight: 700; }
.faq-grid p { margin: 8px 0 0; color: var(--muted); }

.cta { padding: 54px 0; }
.cta-inner { text-align: center; background: linear-gradient(135deg, rgba(124,140,255,.16), rgba(155,107,255,.16)); border: 1px solid var(--border); border-radius: 16px; padding: 32px; }
.cta-inner h2 { margin: 0 0 6px; font-size: clamp(1.6rem, 3vw, 2rem); }
.cta-inner p { margin: 0 0 16px; color: var(--muted); }

.site-footer { margin-top: 40px; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 14px; padding: 20px 0; }
.site-footer nav { display: grid; gap: 8px; }
.site-footer nav a { color: var(--muted); text-decoration: none; }
.site-footer nav a:hover { color: var(--text); }
.footnote { display: flex; justify-content: space-between; padding: 16px 0 24px; color: var(--muted); border-top: 1px solid var(--border); font-size: .95rem; }

@media (max-width: 980px) {
  .nav { grid-template-columns: auto auto auto 1fr; }
  .nav-links { display: none; }
  .menu-toggle { display: inline-flex; }
  .hero-inner { grid-template-columns: 1fr; }
  .logos-row { grid-template-columns: repeat(3, 1fr); }
  .features .grid-3, .pricing .grid-3 { grid-template-columns: 1fr 1fr; }
  .how .steps { grid-template-columns: 1fr; }
  .roi-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .logos-row { grid-template-columns: repeat(2, 1fr); }
  .features .grid-3, .pricing .grid-3 { grid-template-columns: 1fr; }
}

/* Light theme */
[data-theme="light"] {
  --bg: #ffffff;
  --surface: #f7f8fb;
  --text: #0f172a;
  --muted: #475569;
  --border: #e2e8f0;
}