/* Base */
:root {
  --bg: #0b0f1a;
  --bg-alt: #0f1424;
  --surface: #12182b;
  --text: #e7eaf3;
  --muted: #a9b0c6;
  --primary: #5b9cff;
  --primary-600: #3a80ff;
  --accent: #6ee7b7;
  --danger: #ff6b6b;
  --ring: rgba(91, 156, 255, 0.35);
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(0,0,0,0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, #1c2440 0%, var(--bg) 40%), var(--bg);
  color: var(--text);
}

img, svg { display: block; }

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(1.2) blur(12px);
  background: rgba(10, 14, 26, 0.55);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.2px;
  text-decoration: none;
}
.nav {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-toggle { 
  display: grid; 
  gap: 4px; 
  background: transparent; 
  border: 1px solid rgba(255,255,255,0.1); 
  border-radius: 10px; 
  padding: 8px; 
  cursor: pointer; 
}
.nav-toggle .bar { width: 20px; height: 2px; background: var(--text); display: block; }
.nav-list {
  position: fixed;
  top: 64px;
  right: 16px;
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 10px;
  box-shadow: var(--shadow);
  display: none;
}
.nav-list.open { display: grid; gap: 4px; }
.nav-list a { 
  display: block; 
  padding: 10px 14px; 
  border-radius: 8px; 
  color: var(--text); text-decoration: none; 
}
.nav-list a:hover { background: rgba(255,255,255,0.06); }

@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .nav-list { 
    position: static; 
    display: flex !important; 
    background: transparent; 
    border: 0; box-shadow: none; padding: 0; 
  }
  .nav-list a { padding: 6px 10px; color: var(--muted); }
  .nav-list a:hover { background: transparent; color: var(--text); }
}

/* Buttons */
.btn { 
  display: inline-block; 
  padding: 12px 16px; 
  border-radius: 12px; 
  font-weight: 600; 
  text-decoration: none; 
  border: 1px solid rgba(255,255,255,0.1); 
}
.btn.primary { 
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-600) 100%);
  color: white;
  box-shadow: 0 10px 24px rgba(58,128,255,0.35);
}
.btn.ghost { 
  background: rgba(255,255,255,0.06); 
  color: var(--text);
}
.btn.full { display: block; width: 100%; text-align: center; }

/* Hero */
.hero {
  padding: 56px 0 32px;
}
.hero-grid {
  display: grid;
  gap: 28px;
}
.hero-content h1 {
  font-size: clamp(28px, 6vw, 44px);
  line-height: 1.15;
  margin: 0 0 12px;
}
.subtitle { color: var(--muted); margin: 0 0 18px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.hero-highlights { display: flex; gap: 16px; color: var(--muted); }

.hero-media .demo-card { 
  border-radius: var(--radius); 
  overflow: hidden; 
  border: 1px solid rgba(255,255,255,0.1);
  background: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.02) 100%);
  box-shadow: var(--shadow);
}
.demo-card .card-header { 
  display: flex; align-items: center; gap: 8px; padding: 10px; 
  background: rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.08); 
}
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }
.code { 
  margin: 0; overflow-x: auto; 
  padding: 16px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; 
  color: #dfe5f7; 
}

/* Sections */
.section { padding: 48px 0; }
.section.alt { background: var(--bg-alt); border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
.section-title { font-size: clamp(22px, 4.6vw, 32px); margin: 0 0 22px; }
.section-lead { color: var(--muted); margin: 0 0 16px; }

/* Cards */
.card { 
  background: linear-gradient(180deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.02) 100%);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 18px;
}
.cards-grid { 
  display: grid; 
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); 
  gap: 16px; 
}
.feature .icon { font-size: 24px; }
.feature h3 { margin: 8px 0; }
.feature p { color: var(--muted); }

/* Logos */
.logos { display: flex; gap: 12px; flex-wrap: wrap; }
.logo-chip { 
  padding: 8px 12px; border-radius: 999px; 
  background: rgba(255,255,255,0.06); color: var(--text);
  border: 1px solid rgba(255,255,255,0.1);
}

/* Pricing */
.pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.price .value { font-size: 22px; font-weight: 700; }
.price .list { list-style: none; padding: 0; margin: 10px 0 16px; }
.price .list li { color: var(--muted); margin-bottom: 6px; }
.price.highlight { border: 1px solid rgba(110, 231, 183, 0.55); box-shadow: 0 12px 40px rgba(110, 231, 183, 0.18); }

/* Form */
.contact-form .grid { display: grid; gap: 12px; grid-template-columns: 1fr; }
.contact-form label { display: grid; gap: 6px; }
.contact-form input, .contact-form textarea { 
  width: 100%; padding: 12px; border-radius: 12px; 
  border: 1px solid rgba(255,255,255,0.12); background: rgba(255,255,255,0.04); color: var(--text);
  outline: none; 
}
.contact-form input:focus, .contact-form textarea:focus { box-shadow: 0 0 0 4px var(--ring); border-color: var(--primary); }
.form-actions { display: flex; align-items: center; gap: 12px; margin-top: 8px; }
.form-note { color: var(--muted); font-size: 14px; }

@media (min-width: 768px) {
  .hero-grid { grid-template-columns: 1.2fr 1fr; align-items: center; }
  .contact-form .grid { grid-template-columns: 1fr 1fr; }
}

/* Footer */
.site-footer { padding: 24px 0; border-top: 1px solid rgba(255,255,255,0.08); background: rgba(255,255,255,0.02); }
.footer-wrap { display: grid; gap: 12px; grid-template-columns: 1fr; text-align: center; }
.footer-wrap .links { display: flex; justify-content: center; gap: 12px; }
.footer-wrap a { color: var(--muted); text-decoration: none; }
.copy { color: var(--muted); }

@media (min-width: 768px) {
  .footer-wrap { grid-template-columns: 1fr auto 1fr; align-items: center; text-align: left; }
  .copy { justify-self: end; }
}