:root {
  --bg: #07101d;
  --bg-soft: #0d1b31;
  --panel: rgba(255,255,255,0.07);
  --panel-strong: rgba(255,255,255,0.1);
  --text: #f4f7fb;
  --muted: #c2d0e4;
  --line: rgba(255,255,255,0.1);
  --accent: #18d8ff;
  --accent-2: #5f7cff;
  --shadow: 0 24px 70px rgba(0,0,0,0.35);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(24,216,255,0.12), transparent 20%),
    radial-gradient(circle at top left, rgba(95,124,255,0.14), transparent 24%),
    linear-gradient(180deg, #0b172a 0%, var(--bg) 100%);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(7, 16, 29, 0.75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.15rem;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
}

.nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
}

.nav a:hover { color: var(--text); }

.hero {
  padding: 72px 0 36px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 34px;
  align-items: center;
}

.eyebrow, .section-kicker {
  display: inline-block;
  padding: 9px 13px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--line);
  color: #d9e7fb;
  font-size: 0.95rem;
  margin-bottom: 16px;
}

h1, h2, h3 { letter-spacing: -0.04em; margin: 0; }
h1 { font-size: clamp(2.35rem, 5vw, 4.7rem); line-height: 1.03; max-width: 11ch; }
h2 { font-size: clamp(1.8rem, 3vw, 2.8rem); line-height: 1.1; }
h3 { font-size: 1.15rem; }

.lead, .section-head p, .info-card p, .step-card p, .faq-item p, .panel p {
  color: var(--muted);
  line-height: 1.8;
}

.lead { margin: 18px 0 0; max-width: 64ch; font-size: 1.06rem; }
.section { padding: 34px 0; }
.section-soft { background: rgba(255,255,255,0.02); }
.section-head { margin-bottom: 24px; }
.section-head.narrow { max-width: 760px; }

.hero-art {
  background: linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.05));
  border: 1px solid var(--line);
  border-radius: 32px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.hero-art img {
  border-radius: 24px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  border-radius: 16px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform .18s ease, opacity .18s ease, box-shadow .18s ease;
  cursor: pointer;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 16px 40px rgba(24,216,255,0.25);
}

.btn-secondary {
  color: var(--text);
  background: rgba(255,255,255,0.08);
  border-color: var(--line);
}

.btn-ghost,
.btn-outline {
  color: var(--text);
  background: transparent;
  border-color: var(--line);
}

.btn-small { padding: 10px 16px; border-radius: 14px; }

.contact-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 16px;
  color: var(--muted);
}

.card-grid, .steps-grid {
  display: grid;
  gap: 18px;
}

.card-grid { grid-template-columns: repeat(3, 1fr); }
.steps-grid { grid-template-columns: repeat(4, 1fr); }

.info-card, .step-card, .contact-box, .faq-item, .panel {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.info-card, .step-card {
  border-radius: var(--radius);
  padding: 24px;
}

.info-card p, .step-card p { margin: 12px 0 0; }
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  margin-bottom: 14px;
  font-weight: 800;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.panel {
  border-radius: 30px;
  padding: 28px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
}

.contact-box {
  border-radius: 24px;
  padding: 22px;
}

.contact-item + .contact-item {
  border-top: 1px solid var(--line);
  margin-top: 16px;
  padding-top: 16px;
}

.contact-item strong {
  display: block;
  margin-bottom: 6px;
}

.contact-item a { color: #9feeff; word-break: break-all; }

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  border-radius: 20px;
  padding: 18px 20px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { margin: 12px 0 0; }

.site-footer {
  padding: 40px 0 56px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 980px) {
  .hero-grid,
  .card-grid,
  .steps-grid,
  .panel { grid-template-columns: 1fr; }
  .hero { padding-top: 44px; }
}

@media (max-width: 760px) {
  .nav { display: none; }
  .cta-row { flex-direction: column; }
  .btn, .btn-small { width: 100%; }
  h1 { max-width: none; }
}