:root {
  --bg-dark: #0f172a;
  --bg-darker: #0b1220;
  --accent: #22d3ee;
  --accent-2: #38bdf8;
  --text-soft: #cbd5e1;
  --border-soft: rgba(255,255,255,.10);
  --shadow-soft: 0 20px 60px rgba(0,0,0,.28);
  --transition-fast: 180ms ease;
  --transition-base: 280ms ease;
  --transition-slow: 420ms ease;
}

html { scroll-behavior: smooth; }

body {
  background:
    radial-gradient(circle at top, rgba(34, 211, 238, 0.14), transparent 35%),
    linear-gradient(180deg, var(--bg-dark), var(--bg-darker));
  color: #fff;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

.navbar {
  backdrop-filter: blur(10px);
  background: rgba(11, 18, 32, 0.72);
  border-bottom: 1px solid var(--border-soft);
}

.navbar-brand {
  font-weight: 700;
  letter-spacing: .5px;
}

.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 6rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: .25;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.85), transparent 85%);
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .78rem;
  font-weight: 700;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  line-height: 1.05;
  font-weight: 800;
}

.lead, .section-copy, .text-soft {
  color: var(--text-soft);
}

.glass-card,
.feature-card,
.step-card {
  background: rgba(15, 23, 42, 0.72);
  border: 1px solid var(--border-soft);
  border-radius: 1rem;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.glass-card:hover,
.feature-card:hover,
.step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 211, 238, .22);
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  border-radius: .9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(34,211,238,.18), rgba(56,189,248,.12));
  color: var(--accent);
  font-weight: 800;
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: 0;
  color: #00111a;
  font-weight: 700;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

.btn-accent:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
  color: #00111a;
  box-shadow: 0 0 24px rgba(34, 211, 238, .18);
}

.btn-outline-soft {
  border: 1px solid rgba(255,255,255,.20);
  color: #fff;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.btn-outline-soft:hover {
  transform: translateY(-1px);
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.35);
  color: #fff;
}

.badge-soft {
  background: rgba(34,211,238,.12);
  color: var(--accent);
  border: 1px solid rgba(34,211,238,.22);
}

.badge-soft.pulse {
  animation: pulseSoft 2.8s ease-in-out infinite;
}

@keyframes pulseSoft {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.0); }
  50% { box-shadow: 0 0 0 10px rgba(34, 211, 238, 0.06); }
}

.section-reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.section-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.footer {
  border-top: 1px solid var(--border-soft);
  color: var(--text-soft);
}

/* --- Дополнения под секции (навбар/шаги/заголовки), сама база выше не менялась --- */

.section-py {
  padding: 5rem 0;
}

.section-title {
  font-weight: 800;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: #fff;
}

.navbar .nav-link {
  color: var(--text-soft);
  transition: color var(--transition-fast);
}

.navbar .nav-link:hover {
  color: var(--accent);
}

.step-num {
  font-size: 2.25rem;
  font-weight: 800;
  color: rgba(34, 211, 238, .35);
  line-height: 1;
}