:root {
  --iv-bg: #0e1624;
  --iv-bg-2: #131d2d;
  --iv-card: #172235;
  --iv-border: rgba(255,255,255,.10);
  --iv-text: #ecf2ff;
  --iv-muted: #b3bfd4;
  --iv-accent: #7fb2ff;
  --iv-accent-2: #d6e6ff;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: linear-gradient(180deg, var(--iv-bg), #0b1220 60%, #0a101a); color: var(--iv-text); }
body { font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Arial, sans-serif; }
a { color: inherit; text-decoration: none; }
#app { min-height: 100vh; }
.iv-shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.iv-header { position: sticky; top: 0; z-index: 40; backdrop-filter: blur(10px); background: rgba(8,12,20,.72); border-bottom: 1px solid var(--iv-border); }
.iv-header-inner, .iv-footer-inner { display: flex; gap: 16px; align-items: center; justify-content: space-between; padding: 16px 0; }
.iv-brand { font-weight: 800; letter-spacing: .02em; }
.iv-nav { display: flex; flex-wrap: wrap; gap: 14px; }
.iv-nav-link, .iv-footer-link { color: var(--iv-muted); }
.iv-nav-link:hover, .iv-footer-link:hover { color: var(--iv-text); }
.iv-hero { padding: 56px 0 28px; }
.iv-kicker { color: var(--iv-accent); font-size: 13px; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 12px; }
.iv-h1 { font-size: clamp(32px, 5vw, 56px); line-height: 1.04; margin: 0 0 16px; }
.iv-lead { max-width: 780px; color: var(--iv-muted); font-size: 18px; margin: 0 0 18px; }
.iv-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.iv-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border-radius: 12px; border: 1px solid var(--iv-border); font-weight: 700; }
.iv-btn-primary { background: linear-gradient(180deg, #7fb2ff, #5f93ea); color: #07111f; border-color: transparent; }
.iv-btn-secondary { background: rgba(255,255,255,.03); color: var(--iv-text); }
.iv-section { padding: 20px 0 28px; }
.iv-section-title { margin: 0 0 10px; font-size: clamp(24px, 3vw, 36px); line-height: 1.15; }
.iv-section-text { color: var(--iv-muted); max-width: 840px; }
.iv-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; margin-top: 18px; }
.iv-grid-contacts { grid-template-columns: repeat(3, minmax(0,1fr)); }
.iv-card, .iv-form-box { background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01)); border: 1px solid var(--iv-border); border-radius: 18px; padding: 20px; box-shadow: 0 10px 30px rgba(0,0,0,.18); }
.iv-card-badge { display: inline-block; margin-bottom: 10px; font-size: 12px; color: var(--iv-accent); }
.iv-card-title { margin: 0 0 8px; font-size: 22px; }
.iv-card-subtitle { color: var(--iv-accent-2); margin-bottom: 8px; }
.iv-card-text { color: var(--iv-muted); margin: 8px 0; }
.iv-card-actions { margin-top: 14px; }
.iv-list { margin: 10px 0 0; padding-left: 18px; color: var(--iv-muted); }
.iv-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.iv-field { display: flex; flex-direction: column; gap: 8px; color: var(--iv-muted); }
.iv-field-wide { grid-column: 1 / -1; }
.iv-field input, .iv-field textarea { width: 100%; background: rgba(255,255,255,.03); color: var(--iv-text); border: 1px solid var(--iv-border); border-radius: 12px; padding: 12px 14px; font: inherit; }
.iv-form-status { margin-top: 14px; color: var(--iv-accent-2); }
.iv-faq { display: grid; gap: 12px; margin-top: 18px; }
.iv-faq-item { border: 1px solid var(--iv-border); border-radius: 14px; padding: 14px 16px; background: rgba(255,255,255,.02); }
.iv-faq-item summary { cursor: pointer; font-weight: 700; }
.iv-faq-answer { margin-top: 10px; color: var(--iv-muted); }
.iv-footer { border-top: 1px solid var(--iv-border); margin-top: 28px; background: rgba(255,255,255,.02); }
.iv-footer-brand { display: grid; gap: 6px; }
.iv-brand-line { font-weight: 800; }
.iv-footer-note { color: var(--iv-muted); }
.iv-footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.iv-loading { padding: 48px 0; color: var(--iv-muted); }
@media (max-width: 960px) {
  .iv-grid, .iv-grid-contacts, .iv-form-grid { grid-template-columns: 1fr; }
  .iv-header-inner, .iv-footer-inner { flex-direction: column; align-items: flex-start; }
  .iv-nav { gap: 10px; }
}