/* GBot Landing — Dark theme with blue accents */
:root {
  --bg-0: #0f141a;
  --bg-1: #121a22;
  --bg-2: #18222c;
  --text-0: #eef3f8;
  --text-1: #b9c2cc;
  --muted: #94a3b8;
  --primary: #349cff;
  --primary-600: #2b87dd;
  --primary-700: #2575bd;
  --border: #203042;
  --glass: rgba(255, 255, 255, 0.06);
  --shadow: 0 10px 30px rgba(0,0,0,0.45);
}

* { box-sizing: border-box; }
html { max-width: 100%; overflow-x: hidden; }
body {
  margin: 0;
  min-height: 100vh;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text-0);
  background: linear-gradient(180deg, var(--bg-0), var(--bg-1));
  position: relative;
}
/* Фиксированный слой с подсветкой, не скроллится */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background:
    radial-gradient(1200px 800px at 80% -10%, rgba(52,156,255,0.15), transparent 60%),
    radial-gradient(1000px 700px at -10% 10%, rgba(37,117,189,0.18), transparent 60%);
  pointer-events: none;
}

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding-top: env(safe-area-inset-top, 0);
  backdrop-filter: saturate(140%) blur(10px);
  background: linear-gradient(180deg, rgba(18,26,34,0.85), rgba(18,26,34,0.65));
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-name { font-weight: 700; letter-spacing: 0.3px; }
.logo {
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), #7ac1ff);
  box-shadow: 0 6px 16px rgba(52,156,255,0.35), inset 0 0 20px rgba(255,255,255,0.18);
}
.logo.small { width: 24px; height: 24px; border-radius: 6px; }

.nav-actions { display: flex; gap: 10px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 10px;
  font-weight: 600;
  letter-spacing: 0.2px;
  text-decoration: none;
  border: 1px solid transparent;
  transition: all 180ms ease;
}
.btn-lg { padding: 14px 18px; border-radius: 12px; }
.btn-primary { background: var(--primary); color: #06121e; box-shadow: 0 10px 18px rgba(52,156,255,0.25); }
.btn-primary:hover { background: var(--primary-600); transform: translateY(-1px); box-shadow: 0 14px 24px rgba(52,156,255,0.28); }
.btn-ghost { background: rgba(255,255,255,0.04); color: var(--text-0); border-color: var(--border); }
.btn-ghost:hover { background: rgba(255,255,255,0.06); transform: translateY(-1px); }

/* Hero */
.hero { padding: 56px 0 24px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}
.hero-text h1 {
  margin: 0 0 14px;
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.12;
}
.subtitle { color: var(--text-1); margin: 0 0 22px; font-size: 18px; }
.hero-cta { display: flex; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.bullet-list { margin: 18px 0 0; padding-left: 18px; color: var(--muted); }
.bullet-list li { margin: 8px 0; }

.hero-visual { display: grid; place-items: center; }
.glass-card {
  width: 100%;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 18px;
}
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 14px; }
.stat { background: rgba(0,0,0,0.25); border: 1px solid var(--border); border-radius: 12px; padding: 12px; text-align: center; }
.stat-value { font-size: 22px; font-weight: 700; color: #cfe6ff; }
.stat-label { font-size: 12px; color: var(--muted); }

.terminal { border-radius: 12px; overflow: hidden; border: 1px solid var(--border); background: #0b1015; }
.term-header { display: flex; align-items: center; gap: 8px; padding: 10px 12px; background: #0e141a; border-bottom: 1px solid var(--border); }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #22c55e; }
.term-header .title { color: var(--muted); font-size: 12px; margin-left: auto; }
.term-body { margin: 0; padding: 14px 16px; color: #bcd7f3; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace; font-size: 13px; line-height: 1.45; }

/* Features */
.section { padding: 64px 0; }
.section h2 { margin: 0 0 24px; font-size: clamp(22px, 3.6vw, 32px); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: 14px; padding: 18px; transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease; }
.card:hover { transform: translateY(-3px); background: rgba(255,255,255,0.06); box-shadow: var(--shadow); }
.card h3 { margin: 8px 0 8px; }
.card p { margin: 0; color: var(--text-1); }
.icon { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, var(--primary), #7ac1ff); box-shadow: 0 6px 16px rgba(52,156,255,0.28); }
.icon-shield { mask: radial-gradient(circle at 30% 30%, transparent 22%, black 24%) top left / 50% 50% no-repeat,
                        radial-gradient(circle at 70% 30%, transparent 22%, black 24%) top right / 50% 50% no-repeat,
                        radial-gradient(circle at 50% 70%, transparent 20%, black 22%) bottom / 60% 50% no-repeat;
  -webkit-mask: radial-gradient(circle at 30% 30%, transparent 22%, black 24%) top left / 50% 50% no-repeat,
                 radial-gradient(circle at 70% 30%, transparent 22%, black 24%) top right / 50% 50% no-repeat,
                 radial-gradient(circle at 50% 70%, transparent 20%, black 22%) bottom / 60% 50% no-repeat;
}
.icon-target { mask: radial-gradient(circle at 50% 50%, black 20%, transparent 21%, black 35%, transparent 36%, black 50%); -webkit-mask: radial-gradient(circle at 50% 50%, black 20%, transparent 21%, black 35%, transparent 36%, black 50%); }
.icon-graph { mask: linear-gradient(90deg, black 40%, transparent 40%), linear-gradient(0deg, black 40%, transparent 40%); -webkit-mask: linear-gradient(90deg, black 40%, transparent 40%), linear-gradient(0deg, black 40%, transparent 40%); }

/* CTA */
.cta { padding: 72px 0; background: linear-gradient(180deg, rgba(52,156,255,0.06), rgba(255,255,255,0)); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.cta-grid { display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: center; }
.cta-actions { display: flex; gap: 12px; }

/* Footer */
.site-footer { padding: 24px 0; color: var(--muted); }
.footer-grid { display: grid; grid-template-columns: 1fr auto auto; gap: 16px; align-items: center; }
.footer-nav { display: flex; gap: 14px; }
.footer-nav a { color: var(--muted); text-decoration: none; }
.footer-nav a:hover { color: var(--text-0); }

/* Responsive */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .cta-grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .nav-actions .btn { padding: 8px 12px; }
  .cards { grid-template-columns: 1fr; }
}

/* Extra responsive tweaks for mobile */
@media (max-width: 768px) {
  .site-header .container { padding: 10px 0; }
  .hero { padding: 40px 0 10px; }
  .hero-grid { gap: 22px; }
  .hero-text h1 { font-size: clamp(24px, 6vw, 34px); }
  .subtitle { font-size: 16px; }
  .stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
}

@media (max-width: 560px) {
  .nav-actions { gap: 8px; }
  .btn { padding: 10px 14px; }
  .btn-lg { padding: 12px 16px; }
  .hero-cta { gap: 10px; }
  .stats { grid-template-columns: repeat(3, 1fr); }
  .cta { padding: 48px 0; }
}

@media (max-width: 480px) {
  .container { width: min(100%, 92%); }
  .hero { padding-top: 28px; }
  .hero-visual { display: none; }
  .hero-text h1 { font-size: clamp(22px, 7vw, 28px); }
  .bullet-list { font-size: 14px; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; }
}

/* How-it-works stepper safety guards to avoid horizontal scroll */
.hiw, .hiw-steps, .hiw-rail { overflow: hidden; max-width: 100%; }
.hiw-step { overflow: hidden; }

@media (max-width: 380px) {
  .btn, .btn-lg { width: 100%; }
  .nav-actions { width: 100%; justify-content: flex-end; }
  .site-header .container { gap: 8px; }
}