:root {
  --bg: #ffffff;
  --bg-alt: #f6f7f9;
  --ink: #1c2230;
  --muted: #5b6472;
  --line: #e6e8ec;
  --brand: #2b4dd4;
  --brand-ink: #1a37a8;
  --accent: #0fb5a2;
  --radius: 14px;
  --wrap: 1120px;
  --shadow: 0 1px 2px rgba(16,24,40,.04), 0 8px 24px rgba(16,24,40,.06);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-ink); }
img { max-width: 100%; display: block; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.01em; margin: 0 0 .4em; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); font-weight: 750; }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.15rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 650; }
p { margin: 0 0 1rem; color: var(--muted); }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 22px; }
.section { padding: 84px 0; }
.section--alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.eyebrow { color: var(--brand); font-weight: 650; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: .6rem; }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 640px; }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 750; font-size: 1.12rem; color: var(--ink); letter-spacing: -.02em; }
.brand .mark { width: 30px; height: 30px; border-radius: 8px; background: linear-gradient(135deg, var(--brand), var(--accent)); display: inline-block; }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { color: var(--muted); font-weight: 500; font-size: .95rem; }
.nav-links a:hover { color: var(--ink); }
.btn {
  display: inline-block; border-radius: 10px; padding: 11px 20px; font-weight: 600; font-size: .95rem;
  background: var(--brand); color: #fff; border: 1px solid var(--brand); cursor: pointer; transition: background .15s, transform .05s;
}
.btn:hover { background: var(--brand-ink); color: #fff; }
.btn:active { transform: translateY(1px); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { background: var(--bg-alt); color: var(--ink); }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.5rem; color: var(--ink); cursor: pointer; }

/* hero */
.hero { padding: 96px 0 72px; }
.hero .lead { margin-bottom: 28px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-badges { display: flex; gap: 28px; flex-wrap: wrap; margin-top: 46px; color: var(--muted); font-size: .92rem; }
.hero-badges b { color: var(--ink); font-size: 1.5rem; font-weight: 720; display: block; letter-spacing: -.02em; }

/* grid cards */
.grid { display: grid; gap: 20px; grid-template-columns: repeat(3, 1fr); margin-top: 40px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px;
  box-shadow: var(--shadow);
}
.card .ico { width: 42px; height: 42px; border-radius: 10px; background: #eef1ff; color: var(--brand); display: grid; place-items: center; font-size: 1.25rem; margin-bottom: 16px; }
.card h3 { margin-bottom: .35em; }
.card p { margin: 0; font-size: .96rem; }

/* process */
.steps { counter-reset: step; display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); margin-top: 40px; }
.step { position: relative; padding: 24px 22px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-weight: 700; color: var(--brand); font-size: .95rem; letter-spacing: .04em;
}
.step h3 { margin: 8px 0 4px; }
.step p { margin: 0; font-size: .94rem; }

/* cases */
.case { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--bg); box-shadow: var(--shadow); }
.case .thumb { height: 150px; background: linear-gradient(135deg, #dfe5ff, #d3f4ee); }
.case .thumb.b { background: linear-gradient(135deg, #ffe7d6, #ffe1ef); }
.case .thumb.c { background: linear-gradient(135deg, #dcecff, #e4dcff); }
.case .body { padding: 22px 22px 24px; }
.case .tag { font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.case h3 { margin: 8px 0 6px; }
.case p { margin: 0 0 14px; font-size: .95rem; }
.case .metric { font-weight: 700; color: var(--ink); }

/* stack */
.stack { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.chip { border: 1px solid var(--line); background: var(--bg); border-radius: 999px; padding: 8px 16px; font-size: .9rem; color: var(--ink); }

/* contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 36px; align-items: start; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: 6px; color: var(--ink); }
.field input, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; font: inherit; color: var(--ink); background: var(--bg);
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: 2px solid #c8d2ff; border-color: var(--brand); }
.form-note { font-size: .82rem; color: var(--muted); margin-top: 6px; }
.form-ok { display: none; padding: 14px 16px; border-radius: 10px; background: #e8f8f4; color: #0a7a6c; font-weight: 600; border: 1px solid #bfeee5; }
.contact-details p { margin: 0 0 12px; }
.contact-details a { font-weight: 600; }

/* footer */
.site-footer { background: #0f1420; color: #aeb6c6; padding: 54px 0 40px; }
.site-footer a { color: #cfd6e4; }
.site-footer a:hover { color: #fff; }
.foot-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 26px; border-bottom: 1px solid rgba(255,255,255,.08); }
.foot-brand { color: #fff; font-weight: 700; font-size: 1.1rem; display: flex; align-items: center; gap: 10px; }
.foot-col h4 { color: #fff; font-size: .95rem; margin: 0 0 12px; }
.foot-col a { display: block; margin-bottom: 8px; font-size: .92rem; }
.foot-cols { display: flex; gap: 60px; flex-wrap: wrap; }
.foot-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 24px; font-size: .86rem; color: #7b8497; }

/* legal page */
.legal { max-width: 780px; }
.legal h2 { margin-top: 1.6em; font-size: 1.3rem; }
.legal p, .legal li { color: var(--ink); }
.legal ul { padding-left: 20px; }

@media (max-width: 860px) {
  .grid, .grid--2, .steps { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; position: absolute; top: 66px; left: 0; right: 0; flex-direction: column;
    background: #fff; border-bottom: 1px solid var(--line); padding: 16px 22px; gap: 16px;
  }
  .nav-toggle { display: block; }
  .grid, .grid--2, .steps { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
}