:root {
  --bg: #0b0d12;
  --surface: #11151c;
  --muted: #1a202b;
  --text: #e6ebf2;
  --text-muted: #b8c0cc;
  --primary: #4f8cff;
  --primary-600: #3e73d4;
  --accent: #22d3ee;
  --success: #34d399;
  --danger: #f87171;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #0b0d12 0%, #0e1118 100%);
  line-height: 1.6;
}

img { max-width: 100%; height: auto; }

.container {
  width: min(1100px, calc(100% - 2rem));
  margin-inline: auto;
}

.section {
  padding: clamp(3rem, 6vw, 5rem) 0;
}
.section-alt { background: radial-gradient(1000px 500px at 100% -20%, rgba(79,140,255,.08), transparent),
                             radial-gradient(800px 400px at 0% 120%, rgba(34,211,238,.06), transparent); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background: color-mix(in oklab, var(--bg) 75%, transparent);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }

.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--text); text-decoration: none; font-weight: 700; }
.brand-mark { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; background: linear-gradient(135deg, var(--primary), var(--accent)); box-shadow: var(--shadow); color: #081018; }
.brand-name { letter-spacing: .2px; }

.site-nav ul { list-style: none; display: flex; align-items: center; gap: .75rem; margin: 0; padding: 0; }
.site-nav a { color: var(--text-muted); text-decoration: none; padding: .5rem .75rem; border-radius: 8px; }
.site-nav a:hover { color: var(--text); background: rgba(255,255,255,.05); }
.site-nav a.active { color: var(--text); background: rgba(79,140,255,.15); }

.nav-toggle { display: none; background: none; border: 0; padding: .5rem; cursor: pointer; }
.nav-toggle-bar { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 1px; }

/* Hero */
.hero {
  padding-top: clamp(4rem, 10vw, 8rem);
  background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(79, 140, 255, 0.2), transparent);
}
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2rem; align-items: center; }
.hero-copy h1 { font-size: clamp(2rem, 4.5vw, 3rem); line-height: 1.15; margin: 0 0 1rem; }
.hero-copy p { color: var(--text-muted); max-width: 58ch; }
.badges { display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; margin: 1rem 0 0; list-style: none; }
.badges li { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.06); padding: .35rem .6rem; border-radius: 999px; font-size: .85rem; color: var(--text-muted); }

.hero-visual { display: grid; gap: 1rem; }
.card {
  background: linear-gradient(180deg, var(--surface), #0f131a);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 14px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
}
.stat-number { font-size: 2.5rem; font-weight: 800; background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-label { color: var(--text-muted); }

.checklist ul { margin: 0; padding-left: 1.1rem; }
.checklist li { margin: .25rem 0; }

/* Grid */
.grid { display: grid; gap: 1rem; }
.grid.two { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0,1fr)); }

/* Lists */
.list-check { list-style: none; padding: 0; margin: 0; }
.list-check li { position: relative; padding-left: 1.6rem; margin: .5rem 0; }
.list-check li::before { content: ""; position: absolute; left: 0; top: .4rem; width: 1rem; height: 1rem; border-radius: 50%; background: conic-gradient(var(--success) 0 70%, transparent 70% 100%), rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); }

.list-dash { margin: .5rem 0 0 1.2rem; }

/* Buttons */
.btn { display: inline-block; border-radius: 10px; padding: .7rem 1rem; text-decoration: none; font-weight: 600; border: 1px solid rgba(255,255,255,.12); transition: transform .08s ease, background .2s ease, color .2s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { color: #081018; background: linear-gradient(135deg, var(--primary), var(--accent)); border: 0; }
.btn-ghost { color: var(--text); background: rgba(255,255,255,.06); }

.actions { display: flex; gap: .75rem; margin-top: 1rem; }

/* Steps */
.steps { counter-reset: step; display: grid; gap: 1rem; grid-template-columns: repeat(4, minmax(0,1fr)); padding: 0; margin: 0; list-style: none; }
.steps li { background: linear-gradient(180deg, var(--surface), #0f131a); border: 1px solid rgba(255,255,255,.08); border-radius: 14px; padding: 1rem; }
.steps li h3 { display: flex; align-items: center; gap: .6rem; margin-top: 0; }
.steps li h3::before { counter-increment: step; content: counter(step); display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: rgba(79,140,255,.2); color: var(--text); font-weight: 700; }

/* Accordion */
.accordion details { background: linear-gradient(180deg, var(--surface), #0f131a); border: 1px solid rgba(255,255,255,.08); border-radius: 12px; padding: .75rem 1rem; }
.accordion details + details { margin-top: .75rem; }
.accordion summary { cursor: pointer; list-style: none; display: flex; align-items: center; gap: .5rem; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span { flex: 1; }
.accordion summary::after { content: "+"; width: 1.25rem; height: 1.25rem; display: inline-grid; place-items: center; border-radius: 6px; background: rgba(255,255,255,.08); }
.accordion details[open] summary::after { content: "–"; }
.accordion .content { color: var(--text-muted); }

/* Forms */
label { display: grid; gap: .35rem; }
input, textarea { width: 100%; background: rgba(255,255,255,.04); color: var(--text); border: 1px solid rgba(255,255,255,.12); border-radius: 10px; padding: .7rem .8rem; outline: none; }
input:focus, textarea:focus { border-color: color-mix(in oklab, var(--primary), white 20%); box-shadow: 0 0 0 3px rgba(79,140,255,.2); }

.contact-form { display: grid; gap: .8rem; }

/* Footer */
.site-footer { border-top: 1px solid rgba(255,255,255,.08); background: color-mix(in oklab, var(--bg) 85%, transparent); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.25rem 0; }
.footer-inner nav a { color: var(--text-muted); text-decoration: none; margin-right: .5rem; }
.footer-inner nav a:hover { color: var(--text); }

/* Responsive */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .grid.two { grid-template-columns: 1fr; }
  .grid.three { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .site-nav { position: absolute; inset: 64px 0 auto 0; padding: .5rem 1rem 1rem; background: color-mix(in oklab, var(--bg) 92%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(255,255,255,.06); transform-origin: top; transform: scaleY(0); opacity: 0; pointer-events: none; transition: transform .15s ease, opacity .15s ease; }
  .site-nav.open { transform: scaleY(1); opacity: 1; pointer-events: auto; }
  .site-nav ul { flex-direction: column; gap: .25rem; }
  .nav-toggle { display: inline-block; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}