:root {
  --bg: #f5f5f7;
  --panel: #ffffff;
  --panel-soft: #fbfbfd;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: #d2d2d7;
  --brand: #111111;
  --brand-soft: #2f2f31;
  --radius: 22px;
  --shadow: 0 10px 28px rgba(0,0,0,0.07);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { min-height: 100%; }
body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
.container { width: min(1180px, 92%); margin: 0 auto; }
.topbar {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(180%) blur(20px);
  background: rgba(245,245,247,0.82);
  border-bottom: 1px solid rgba(0,0,0,.05);
}
.nav {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 0;
}
.logo { font-family: Syne, sans-serif; font-size: 1.06rem; letter-spacing: .12em; font-weight: 700; }
.logo span { color: #555; }
.links { display: flex; gap: 20px; color: var(--muted); font-size: .93rem; }
.links a:hover { color: var(--text); }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px; padding: 11px 18px; font-weight: 600; font-size: .9rem;
  transition: .2s ease;
}
.btn { background: var(--brand); color: #fff; }
.btn:hover { background: var(--brand-soft); }
.btn.secondary { background: #fff; color: var(--text); border: 1px solid var(--line); }
.hero { padding: 62px 0 28px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; }
.badge {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: .77rem; color: var(--muted);
  background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 8px 12px;
}
h1 { font-size: clamp(2.15rem, 5.1vw, 4.2rem); line-height: 1.03; letter-spacing: -0.03em; font-weight: 700; margin: 16px 0; }
.grad { color: var(--text); }
.lead { color: var(--muted); font-size: clamp(1rem, 1.4vw, 1.13rem); line-height: 1.75; max-width: 62ch; }
.hero-actions { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 10px; }
.card {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.panel { padding: 18px; }
.preview-image {
  width: 100%; height: 280px; object-fit: cover;
  border-radius: 16px; border: 1px solid var(--line); margin: 12px 0 14px;
}
.metrics { margin-top: 20px; display: grid; grid-template-columns: repeat(3,1fr); gap: 9px; }
.metric { border: 1px solid var(--line); border-radius: 14px; background: #fff; padding: 12px; }
.metric b { display:block; font-size: 1.15rem; margin-bottom: 4px; }
.metric span { color: var(--muted); font-size: .86rem; }
.section { padding: 54px 0; }
.section h2 { font-size: clamp(1.6rem, 3.1vw, 2.7rem); letter-spacing: -0.02em; margin-bottom: 10px; }
.section .sub { color: var(--muted); margin-bottom: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.item { border: 1px solid var(--line); border-radius: 16px; padding: 16px; background: var(--panel-soft); }
.kicker { font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 6px; }
.item h3 { font-size: 1.15rem; margin-bottom: 6px; letter-spacing: -0.01em; }
.item p { color: var(--muted); font-size: .94rem; line-height: 1.65; }
.price { font-size: 1.9rem; font-weight: 700; letter-spacing: -0.02em; margin: 8px 0; }
ul.clean { list-style: none; display: grid; gap: 6px; color: var(--muted); font-size: .92rem; }
.faq { display: grid; gap: 9px; }
details { border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; background: #fff; }
summary { cursor: pointer; font-weight: 600; }
details p { margin-top: 7px; color: var(--muted); }
.stepper { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.stepper span {
  border: 1px solid var(--line); background: #fff; color: var(--muted);
  border-radius: 999px; padding: 7px 11px; font-size: .82rem;
}
.stepper span.active { color: var(--text); border-color: #a1a1a6; }
.form { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
.field { display: grid; gap: 7px; }
.field label { color: var(--muted); font-size: .85rem; }
.field input, .field textarea, .field select {
  width: 100%; border: 1px solid var(--line); background: #fff; color: var(--text);
  border-radius: 12px; padding: 10px 12px; font: inherit;
}
.field textarea { min-height: 105px; }
.full { grid-column: 1 / -1; }
.timeline { display: grid; gap: 10px; }
.track-step { border-left: 3px solid #c7c7cc; padding: 8px 0 8px 12px; color: var(--muted); }
.track-step.done { border-color: #34c759; color: #14532d; }
.track-step.current { border-color: #111; color: #111; }
.footer {
  margin-top: 26px; padding: 30px 0 42px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: .9rem;
}
@media (max-width: 940px) {
  .hero, .grid-2, .grid-3, .form { grid-template-columns: 1fr; }
  .links { display: none; }
  .preview-image { height: 230px; }
}