:root {
  --navy: #0f172a;
  --navy-2: #1e293b;
  --slate: #475569;
  --slate-light: #cbd5e1;
  --border: #e2e8f0;
  --bg: #f8fafc;
  --white: #ffffff;
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --max: 1120px;
  --radius: 14px;
  --shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--navy);
  background: var(--white);
  line-height: 1.6;
}
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); }
img { max-width: 100%; display: block; }
.container { width: min(100% - 2rem, var(--max)); margin: 0 auto; }
.section { padding: 4.5rem 0; }
.section.alt { background: var(--bg); }
.dark-band {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color: var(--white);
}
.small { font-size: 0.95rem; color: var(--slate); }
.eyebrow { color: var(--blue); font-weight: 600; font-size: 0.95rem; margin-bottom: 0.75rem; }
header.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(255,255,255,0.88);
  border-bottom: 1px solid rgba(226,232,240,0.85);
}
.nav-wrap { display:flex; align-items:center; justify-content:space-between; padding: 1rem 0; gap: 1rem; }
.brand { font-weight: 700; font-size: 1.2rem; color: var(--navy); }
.brand small { display:block; font-size: 0.72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--slate); font-weight: 600; }
.nav-links { display:flex; gap:1.25rem; align-items:center; }
.nav-links a { color: var(--navy); font-weight: 500; }
.menu-btn { display:none; background:none; border:none; font-size:1.6rem; color:var(--navy); }
.button {
  display:inline-flex; align-items:center; justify-content:center;
  background: var(--blue); color: var(--white); padding: 0.9rem 1.2rem;
  border-radius: 10px; font-weight: 600; border: 1px solid var(--blue);
}
.button:hover { background: var(--blue-dark); color: var(--white); border-color: var(--blue-dark); }
.button.secondary { background: transparent; color: var(--navy); border-color: var(--border); }
.button.secondary:hover { border-color: var(--blue); color: var(--blue); background: rgba(37,99,235,.04); }
.hero {
  color: var(--white);
  background:
    radial-gradient(circle at 18% 22%, rgba(37,99,235,.22), transparent 24%),
    radial-gradient(circle at 80% 12%, rgba(255,255,255,.08), transparent 16%),
    linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position:absolute; inset:0;
  background-image:
    radial-gradient(circle at 12% 68%, rgba(255,255,255,.12) 0 1px, transparent 1.5px),
    radial-gradient(circle at 37% 28%, rgba(255,255,255,.12) 0 1px, transparent 1.5px),
    radial-gradient(circle at 57% 61%, rgba(255,255,255,.10) 0 1px, transparent 1.5px),
    radial-gradient(circle at 82% 37%, rgba(255,255,255,.10) 0 1px, transparent 1.5px),
    linear-gradient(110deg, transparent 12%, rgba(255,255,255,.06) 12.3%, transparent 12.7%),
    linear-gradient(26deg, transparent 33%, rgba(255,255,255,.05) 33.3%, transparent 33.6%),
    linear-gradient(144deg, transparent 58%, rgba(255,255,255,.05) 58.3%, transparent 58.6%);
  opacity: .55;
}
.hero .container { position:relative; z-index:1; }
.hero-grid { display:grid; grid-template-columns: 1.2fr .8fr; gap:2rem; align-items:center; min-height: 78vh; padding: 4rem 0; }
.hero-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 18px;
  padding: 1.25rem;
  box-shadow: 0 12px 40px rgba(2,8,23,.24);
}
.hero h1 { font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1.08; margin: 0 0 1rem; letter-spacing: -0.03em; }
.hero p.lead { font-size: 1.12rem; color: rgba(255,255,255,.88); max-width: 44rem; margin-bottom: 1.5rem; }
.hero ul { list-style:none; padding:0; margin:1.3rem 0 1.6rem; display:grid; gap:.7rem; }
.hero li::before, .check-list li::before { content:"•"; color:#93c5fd; margin-right:.7rem; }
.hero-actions { display:flex; gap:1rem; flex-wrap:wrap; margin-top:1.5rem; }
.hero .button.secondary { color: var(--white); border-color: rgba(255,255,255,.26); }
.hero .button.secondary:hover { color: var(--white); background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.45); }
.card-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.4rem; box-shadow: var(--shadow);
}
.card h3 { margin-top: .1rem; margin-bottom: .65rem; font-size: 1.2rem; }
.icon {
  width: 44px; height: 44px; border-radius: 12px; display:grid; place-items:center;
  background: rgba(37,99,235,.08); color: var(--blue); margin-bottom: .9rem;
}
.icon svg { width: 22px; height:22px; stroke: currentColor; fill:none; stroke-width:1.8; }
.split { display:grid; grid-template-columns: 1.05fr .95fr; gap: 2rem; align-items:start; }
h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); line-height: 1.15; margin: 0 0 .9rem; letter-spacing:-0.02em; }
h3 { line-height:1.2; }
p { margin: 0 0 1rem; }
.check-list, .plain-list { padding:0; margin: 1rem 0 0; list-style:none; }
.check-list li, .plain-list li { margin: 0 0 .65rem; }
.metrics { display:grid; grid-template-columns: repeat(3, 1fr); gap:1rem; margin-top:1rem; }
.metric { padding:1rem; border:1px solid rgba(255,255,255,.16); border-radius:14px; background: rgba(255,255,255,.06); }
.metric strong { display:block; font-size:1.6rem; margin-bottom:.25rem; }
.steps { display:grid; grid-template-columns: repeat(3, 1fr); gap:1rem; }
.step { background: var(--white); border:1px solid var(--border); border-radius:var(--radius); padding:1.25rem; box-shadow: var(--shadow); }
.step-number { width:36px;height:36px;display:grid;place-items:center;border-radius:999px;background:rgba(37,99,235,.1);color:var(--blue);font-weight:700;margin-bottom:.9rem; }
.faq { display:grid; gap:1rem; }
.faq-item { border:1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.2rem; background: var(--white); }
.faq-item h3 { margin:.1rem 0 .45rem; font-size:1.05rem; }
.cta-box { padding: 1.5rem; background: var(--bg); border:1px solid var(--border); border-radius:18px; display:flex; justify-content:space-between; gap:1rem; align-items:center; }
.article-grid { display:grid; grid-template-columns: repeat(2, 1fr); gap:1.25rem; }
.article-card { padding: 1.35rem; border:1px solid var(--border); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow); }
.article-card h3 { margin-top:.2rem; }
footer { background: var(--navy); color: rgba(255,255,255,.9); padding: 2.5rem 0; }
.footer-grid { display:grid; grid-template-columns: 1.1fr .9fr .9fr; gap: 1.5rem; }
footer a { color: rgba(255,255,255,.88); }
footer a:hover { color: white; }
.kicker { text-transform: uppercase; letter-spacing: .13em; font-size: .8rem; font-weight: 700; color: var(--blue); }
.page-hero { padding: 5.5rem 0 4rem; background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); color: var(--white); position:relative; overflow:hidden; }
.page-hero::before { content:""; position:absolute; inset:0; background-image: linear-gradient(110deg, transparent 12%, rgba(255,255,255,.05) 12.3%, transparent 12.7%), linear-gradient(26deg, transparent 33%, rgba(255,255,255,.04) 33.3%, transparent 33.6%); opacity:.55; }
.page-hero .container { position:relative; z-index:1; }
.page-hero p { max-width: 46rem; color: rgba(255,255,255,.88); }
.breadcrumbs { font-size: .92rem; color: rgba(255,255,255,.8); margin-bottom: .9rem; }
.breadcrumbs a { color: rgba(255,255,255,.84); }
.article { max-width: 820px; }
.article h2 { margin-top: 2rem; }
.notice { border-left: 4px solid var(--blue); padding-left: 1rem; color: var(--slate); }
.contact-box { display:grid; grid-template-columns: 1fr 1fr; gap:1.2rem; }
.contact-tile { border:1px solid var(--border); border-radius: var(--radius); padding: 1.2rem; background: var(--white); box-shadow: var(--shadow); }
.inline-list { display:flex; flex-wrap:wrap; gap:.65rem 1rem; padding:0; list-style:none; }
.inline-list li { color: var(--slate); }
@media (max-width: 920px) {
  .hero-grid, .split, .card-grid, .steps, .footer-grid, .metrics, .contact-box, .article-grid { grid-template-columns: 1fr; }
  .nav-links {
    display:none; position:absolute; top:100%; left:0; right:0; background: rgba(255,255,255,.98);
    border-bottom:1px solid var(--border); padding:1rem; flex-direction:column; align-items:flex-start;
  }
  .nav-links.open { display:flex; }
  .menu-btn { display:block; }
}
@media (max-width: 640px) {
  .section { padding: 3.5rem 0; }
  .hero-grid { min-height: auto; padding: 3.5rem 0; }
  .hero h1 { font-size: 2.2rem; }
  .cta-box { flex-direction:column; align-items:flex-start; }
}