:root {
    --bg: #ffffff;
    --bg-alt: #f6faf9;
    --ink: #0f1f1c;
    --muted: #5b6b67;
    --brand: #0f8a6e;
    --brand-dark: #0a6650;
    --brand-soft: #e6f4ef;
    --line: #e3eae8;
    --radius: 14px;
    --maxw: 1120px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--brand-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255,255,255,0.92);
    backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid var(--line);
}
.nav {
    display: flex; align-items: center; justify-content: space-between;
    height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--ink); }
.brand .dot {
    width: 26px; height: 26px; border-radius: 8px;
    background: linear-gradient(135deg, var(--brand), #34c9a8);
    display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 14px;
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--muted); font-size: 15px; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.btn {
    display: inline-block; padding: 10px 18px; border-radius: 10px;
    font-weight: 600; font-size: 15px; cursor: pointer; border: 1px solid transparent;
    transition: transform .05s ease, background .2s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--bg-alt); text-decoration: none; }

/* Hero */
.hero { padding: 84px 0 72px; background:
    radial-gradient(900px 360px at 80% -10%, var(--brand-soft), transparent 60%);
}
.eyebrow {
    display: inline-block; padding: 6px 12px; border-radius: 999px;
    background: var(--brand-soft); color: var(--brand-dark);
    font-size: 13px; font-weight: 600; letter-spacing: .02em; margin-bottom: 18px;
}
.hero h1 {
    font-size: 48px; line-height: 1.1; letter-spacing: -0.02em;
    margin: 0 0 18px; font-weight: 800;
}
.hero p.lead { font-size: 19px; color: var(--muted); max-width: 620px; margin: 0 0 30px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* Stat strip */
.stats {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
    padding: 32px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
    margin-top: 56px;
}
.stat .num { font-size: 28px; font-weight: 800; color: var(--ink); }
.stat .lbl { color: var(--muted); font-size: 14px; }

/* Sections */
section.block { padding: 76px 0; border-bottom: 1px solid var(--line); }
.section-head { max-width: 720px; margin-bottom: 40px; }
.section-head h2 { font-size: 34px; letter-spacing: -0.01em; margin: 0 0 12px; font-weight: 800; }
.section-head p { color: var(--muted); font-size: 17px; margin: 0; }

.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
    border: 1px solid var(--line); border-radius: var(--radius);
    padding: 26px; background: var(--bg); transition: box-shadow .2s ease, transform .2s ease;
}
.card:hover { box-shadow: 0 10px 30px rgba(15,40,35,0.06); transform: translateY(-2px); }
.card .ico {
    width: 40px; height: 40px; border-radius: 10px; background: var(--brand-soft);
    color: var(--brand-dark); display: grid; place-items: center; margin-bottom: 16px;
    font-size: 20px;
}
.card h3 { margin: 0 0 8px; font-size: 19px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* Pipeline */
.pipeline { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.step { background: var(--bg-alt); border-radius: var(--radius); padding: 22px; }
.step .k { font-size: 12px; font-weight: 700; color: var(--brand-dark); letter-spacing: .08em; text-transform: uppercase; }
.step h4 { margin: 8px 0 6px; font-size: 17px; }
.step p { margin: 0; color: var(--muted); font-size: 14px; }

/* CTA band */
.cta-band {
    margin: 76px 0; padding: 48px; border-radius: 20px; text-align: center;
    background: linear-gradient(135deg, var(--brand-dark), var(--brand)); color: #fff;
}
.cta-band h2 { font-size: 30px; margin: 0 0 10px; }
.cta-band p { margin: 0 auto 24px; max-width: 560px; opacity: .92; }
.cta-band .btn-primary { background: #fff; color: var(--brand-dark); }
.cta-band .btn-primary:hover { background: #f0f5f3; }

/* Footer */
.site-footer { background: #0c1a17; color: #b9c7c3; padding: 56px 0 32px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; }
.foot-grid h5 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: .06em; margin: 0 0 14px; }
.foot-grid ul { list-style: none; padding: 0; margin: 0; }
.foot-grid li { margin-bottom: 10px; }
.foot-grid a { color: #b9c7c3; font-size: 14px; }
.foot-grid a:hover { color: #fff; }
.foot-brand { color: #fff; font-weight: 700; font-size: 17px; margin-bottom: 10px; }
.foot-bottom { border-top: 1px solid #1d302b; margin-top: 40px; padding-top: 22px; font-size: 13px; color: #7c8c88; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* Page hero (sub pages) */
.page-hero { padding: 64px 0 8px; }
.page-hero h1 { font-size: 40px; letter-spacing: -0.02em; margin: 0 0 14px; font-weight: 800; }
.page-hero p { color: var(--muted); font-size: 18px; max-width: 680px; }

/* 404 */
.center { min-height: 60vh; display: grid; place-items: center; text-align: center; }
.center .big { font-size: 96px; font-weight: 800; color: var(--brand); line-height: 1; }

@media (max-width: 880px) {
    .nav-links { display: none; }
    .hero h1 { font-size: 36px; }
    .stats, .grid-3, .grid-2, .pipeline { grid-template-columns: 1fr; }
    .foot-grid { grid-template-columns: 1fr 1fr; }
}