:root {
  --bg: #ffffff;
  --surface: #f5f8ff;
  --border: #dce6f8;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --soft: #e8f0fe;
  --text: #0f172a;
  --muted: #5b6b82;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); line-height: 1.6; -webkit-text-size-adjust: 100%; }
a { color: var(--primary); }
a:hover { color: var(--primary-hover); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 4px; }
.wrap { width: min(1080px, 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--primary); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 8px; color: #fff; }

.top { position: sticky; top: 0; z-index: 5; background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 650; letter-spacing: -0.01em; }
.brand:hover { color: var(--text); }
.brand img { border-radius: 8px; }
nav { display: flex; align-items: center; gap: 4px; }
nav a { padding: 8px 12px; border-radius: 8px; color: var(--muted); text-decoration: none; font-size: 0.95rem; }
nav a:hover { background: var(--soft); color: var(--text); }
nav a.btn { color: #fff; margin-left: 6px; }
nav a.btn:hover { color: #fff; background: var(--primary-hover); }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 12px; background: var(--primary); color: #fff; font-weight: 600; text-decoration: none; border: 1px solid var(--primary); transition: background 0.15s; }
.btn:hover { background: var(--primary-hover); color: #fff; }
.btn.small { min-height: 40px; padding: 0 16px; font-size: 0.9rem; }
.btn.ghost { background: #fff; color: var(--primary); border-color: var(--border); }
.btn.ghost:hover { background: var(--soft); color: var(--primary-hover); }

.hero { padding: 88px 0 72px; background: linear-gradient(180deg, var(--soft) 0%, var(--bg) 100%); }
.eyebrow { margin: 0 0 12px; color: var(--primary); font-weight: 600; font-size: 0.9rem; letter-spacing: 0.06em; text-transform: uppercase; }
h1 { margin: 0 0 20px; font-size: clamp(2.2rem, 6vw, 3.8rem); line-height: 1.1; letter-spacing: -0.03em; }
h1 span { color: var(--primary); }
.lead { max-width: 640px; margin: 0 0 28px; font-size: 1.15rem; color: #334155; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 0 0 18px; }
.note { margin: 0; color: var(--muted); font-size: 0.95rem; }

h2 { margin: 0 0 8px; font-size: clamp(1.6rem, 3.5vw, 2.1rem); letter-spacing: -0.02em; }
h3 { margin: 0 0 6px; font-size: 1.05rem; }
.sub { margin: 0 0 32px; color: var(--muted); max-width: 620px; }
.band { padding: 72px 0; background: var(--surface); border-block: 1px solid var(--border); }
.block { padding: 72px 0; }

.flow { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; grid-template-columns: repeat(4, 1fr); counter-reset: step; }
.flow li { position: relative; background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 22px 20px 20px; counter-increment: step; }
.flow li::before { content: counter(step); display: grid; place-items: center; width: 28px; height: 28px; margin-bottom: 12px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 0.85rem; font-weight: 650; }
.flow li:not(:last-child)::after { content: ""; position: absolute; top: 34px; right: -17px; width: 18px; height: 2px; background: var(--primary); }
.flow p, .card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.cards { display: grid; gap: 16px; grid-template-columns: repeat(2, 1fr); margin-top: 24px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 24px; }
.card.plain { background: #fff; }
.card a { display: inline-block; margin-top: 12px; font-weight: 600; }

.ideas { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
.ideas li { background: #fff; border: 1px dashed #b7c8ec; border-radius: 12px; padding: 14px 16px; }

.foot { border-top: 1px solid var(--border); padding: 28px 0 36px; color: var(--muted); font-size: 0.92rem; }
.foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }

@media (max-width: 860px) {
  .flow { grid-template-columns: repeat(2, 1fr); }
  .flow li::after { display: none; }
  .cards.three { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  nav a:not(.btn) { display: none; }
  .hero { padding: 56px 0 48px; }
  .band, .block { padding: 48px 0; }
  .flow, .cards, .ideas { grid-template-columns: 1fr; }
  .actions .btn { flex: 1 1 100%; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } }