:root {
  --bg: #ffffff;
  --bg-soft: #f6f7fb;
  --bg-elev: #ffffff;
  --text: #10131a;
  --text-soft: #545a6b;
  --border: #e6e8f0;
  --brand: #4f46e5;
  --brand-2: #7c3aed;
  --brand-ink: #ffffff;
  --accent: #06b6d4;
  --shadow: 0 10px 30px rgba(20, 24, 48, 0.08);
  --radius: 16px;
  --maxw: 1120px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0d14;
    --bg-soft: #10131d;
    --bg-elev: #141826;
    --text: #eef1f8;
    --text-soft: #9aa3bd;
    --border: #232838;
    --brand: #6366f1;
    --brand-2: #8b5cf6;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.muted { color: var(--text-soft); }

/* Header */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--text); letter-spacing: -0.02em; }
.brand:hover { text-decoration: none; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  display: grid; place-items: center; color: #fff; font-weight: 900; box-shadow: var(--shadow);
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--text-soft); font-weight: 500; font-size: 15px; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px; border-radius: 10px; font-weight: 600; font-size: 15px;
  border: 1px solid transparent; cursor: pointer; transition: transform .06s ease, box-shadow .2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: var(--brand-ink); box-shadow: var(--shadow); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 96px 0 72px; }
.hero::before {
  content: ""; position: absolute; inset: -40% 40% auto -20%; height: 620px;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--brand) 22%, transparent), transparent 70%);
  filter: blur(10px); z-index: -1;
}
.hero::after {
  content: ""; position: absolute; inset: -20% -20% auto 50%; height: 560px;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 18%, transparent), transparent 70%);
  z-index: -1;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600;
  color: var(--brand); background: color-mix(in srgb, var(--brand) 12%, transparent);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(34px, 5.4vw, 60px); line-height: 1.05; letter-spacing: -0.03em; margin: 0 0 20px; max-width: 15ch; }
.hero p.lead { font-size: clamp(17px, 2.2vw, 21px); color: var(--text-soft); max-width: 52ch; margin: 0 0 32px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* Logos strip */
.logos { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg-soft); }
.logos .container { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; justify-content: center; padding: 26px 24px; }
.logos span { color: var(--text-soft); font-weight: 700; font-size: 18px; opacity: .7; letter-spacing: .02em; }

/* Sections */
section.block { padding: 84px 0; }
.section-head { max-width: 640px; margin: 0 auto 52px; text-align: center; }
.section-head h2 { font-size: clamp(28px, 4vw, 40px); letter-spacing: -0.02em; margin: 0 0 14px; }
.section-head p { color: var(--text-soft); font-size: 18px; margin: 0; }

/* Cards grid */
.grid { display: grid; gap: 22px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; box-shadow: var(--shadow); transition: transform .15s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--brand) 40%, var(--border)); }
.card .ico {
  width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 18px;
  background: color-mix(in srgb, var(--brand) 12%, transparent); color: var(--brand);
}
.card h3 { margin: 0 0 10px; font-size: 20px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--text-soft); font-size: 15px; }

/* Stats */
.stats { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.stats .grid { grid-template-columns: repeat(4, 1fr); text-align: center; }
.stat .n { font-size: clamp(32px, 5vw, 48px); font-weight: 800; letter-spacing: -0.02em; background: linear-gradient(135deg, var(--brand), var(--brand-2)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat .l { color: var(--text-soft); font-size: 15px; margin-top: 6px; }

/* Testimonials */
.quote { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.quote p { font-size: 17px; margin: 0 0 20px; }
.who { display: flex; align-items: center; gap: 12px; }
.avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--brand), var(--accent)); color: #fff; display: grid; place-items: center; font-weight: 700; }
.who b { display: block; font-size: 15px; }
.who span { color: var(--text-soft); font-size: 13px; }

/* CTA band */
.cta-band { padding: 72px 0; }
.cta-inner {
  background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff;
  border-radius: 24px; padding: 56px; text-align: center; box-shadow: var(--shadow);
}
.cta-inner h2 { font-size: clamp(26px, 4vw, 38px); margin: 0 0 12px; letter-spacing: -0.02em; }
.cta-inner p { opacity: .92; font-size: 18px; margin: 0 0 28px; }
.cta-inner .btn-primary { background: #fff; color: var(--brand); }

/* Page hero (subpages) */
.page-hero { padding: 72px 0 40px; text-align: center; }
.page-hero h1 { font-size: clamp(30px, 5vw, 48px); letter-spacing: -0.03em; margin: 0 0 14px; }
.page-hero p { color: var(--text-soft); font-size: 19px; max-width: 60ch; margin: 0 auto; }

/* Content prose */
.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { font-size: 26px; letter-spacing: -0.01em; margin: 40px 0 14px; }
.prose p { color: var(--text-soft); font-size: 16px; }
.prose ul { color: var(--text-soft); padding-left: 20px; }
.prose li { margin: 8px 0; }

/* Team */
.member { text-align: center; }
.member .ph { width: 96px; height: 96px; border-radius: 50%; margin: 0 auto 14px; background: linear-gradient(135deg, var(--brand), var(--accent)); color: #fff; display: grid; place-items: center; font-size: 30px; font-weight: 800; }
.member b { display: block; font-size: 17px; }
.member span { color: var(--text-soft); font-size: 14px; }

/* Contact */
.form { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 7px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font: inherit; font-size: 15px;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: 2px solid color-mix(in srgb, var(--brand) 55%, transparent); border-color: var(--brand); }
.contact-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: start; }
.info-item { display: flex; gap: 14px; margin-bottom: 22px; }
.info-item .ico { color: var(--brand); flex: none; }
.info-item b { display: block; }

/* Footer */
footer.site { border-top: 1px solid var(--border); background: var(--bg-soft); padding: 56px 0 30px; margin-top: 20px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 40px; }
.foot-grid h4 { font-size: 14px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-soft); margin: 0 0 16px; }
.foot-grid a { display: block; color: var(--text-soft); margin: 9px 0; font-size: 15px; }
.foot-grid a:hover { color: var(--text); text-decoration: none; }
.foot-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; color: var(--text-soft); font-size: 14px; }

@media (max-width: 900px) {
  .grid.cols-3, .grid.cols-4, .stats .grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 560px) {
  .grid.cols-3, .grid.cols-4, .grid.cols-2, .stats .grid { grid-template-columns: 1fr; }
  .cta-inner { padding: 36px 24px; }
  .foot-grid { grid-template-columns: 1fr; }
}