:root {
  --ink: #0e1a2b;
  --ink-soft: #3d4a5c;
  --muted: #6b7788;
  --bg: #ffffff;
  --bg-alt: #f4f6fa;
  --line: #e2e7ef;
  --brand: #1f3cff;
  --brand-dark: #1428c7;
  --accent: #19c3a6;
  --card: #ffffff;
  --radius: 14px;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
}
img { max-width: 100%; }
a { color: var(--brand); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 600; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; color: var(--ink-soft); }

.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { font-weight: 800; font-size: 1.15rem; color: var(--ink); text-decoration: none; }
.logo span { color: var(--brand); }
.nav-links { display: flex; gap: 28px; align-items: center; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--ink-soft); text-decoration: none; font-weight: 500; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--brand); }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.6rem; cursor: pointer; color: var(--ink); }

/* Buttons */
.btn {
  display: inline-block; padding: 13px 24px; border-radius: 999px;
  font-weight: 600; text-decoration: none; transition: .2s ease;
  border: 2px solid var(--brand);
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); border-color: var(--brand-dark); }
.btn-ghost { color: var(--brand); background: transparent; }
.btn-ghost:hover { background: var(--brand); color: #fff; }
.nav-links .btn { color: #fff; padding: 9px 18px; }

/* Hero */
.hero {
  padding: 96px 0 80px;
  background:
    radial-gradient(900px 400px at 85% -10%, rgba(31,60,255,.12), transparent 60%),
    radial-gradient(700px 400px at 0% 110%, rgba(25,195,166,.12), transparent 60%);
}
.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--brand); background: rgba(31,60,255,.08);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 18px;
}
.hero-title {
  font-size: clamp(2rem, 3.6vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.025em;
}
.hero-title span { display: block; color: var(--brand); }
.hero p.lead { font-size: 1.2rem; max-width: 680px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }

/* Sections */
section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 720px; margin-bottom: 44px; }

.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px;
}
.card .icon {
  width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center;
  background: rgba(31,60,255,.08); color: var(--brand); font-weight: 800; margin-bottom: 16px;
}
.card p:last-child { margin-bottom: 0; }

/* Answer box - mimics an AI answer */
.answer-box {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; box-shadow: 0 20px 50px rgba(14,26,43,.08); max-width: 560px;
}
.answer-box .q { font-weight: 600; color: var(--ink); margin-bottom: 12px; }
.answer-box .a { font-size: .95rem; }
.answer-box .cite {
  display: inline-block; font-size: .78rem; background: rgba(25,195,166,.14); color: #0c7d6a;
  padding: 3px 10px; border-radius: 999px; font-weight: 600;
}
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }

/* Compare table */
.compare { width: 100%; border-collapse: collapse; background: var(--card); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.compare th, .compare td { text-align: left; padding: 16px 20px; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare th { background: var(--ink); color: #fff; font-weight: 600; }
.compare td:first-child { font-weight: 600; color: var(--ink); width: 22%; }
.compare tr:last-child td { border-bottom: 0; }
.table-wrap { overflow-x: auto; }

/* Pillars / steps */
.pillar { display: grid; grid-template-columns: 72px 1fr; gap: 24px; padding: 32px 0; border-bottom: 1px solid var(--line); }
.pillar:last-child { border-bottom: 0; }
.pillar-num { font-size: 2.4rem; font-weight: 800; color: var(--brand); line-height: 1; }
.pillar ul { margin: 0; padding-left: 20px; color: var(--ink-soft); }
.pillar li { margin-bottom: 6px; }

.timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.phase { border-top: 4px solid var(--brand); }
.phase:nth-child(2) { border-top-color: #5b6dff; }
.phase:nth-child(3) { border-top-color: var(--accent); }
.phase .when { font-size: .85rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }

.dodont { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.dodont ul { list-style: none; padding: 0; margin: 0; }
.dodont li { padding: 10px 0 10px 30px; position: relative; color: var(--ink-soft); border-bottom: 1px dashed var(--line); }
.dodont li:last-child { border-bottom: 0; }
.do li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 800; }
.dont li::before { content: "✕"; position: absolute; left: 0; color: #e0475b; font-weight: 800; }

/* Packages */
.package { display: flex; flex-direction: column; }
.package.featured { border: 2px solid var(--brand); box-shadow: 0 20px 50px rgba(31,60,255,.12); }
.package .tag { font-size: .78rem; font-weight: 700; color: var(--brand); text-transform: uppercase; letter-spacing: .08em; }
.package ul { padding-left: 20px; color: var(--ink-soft); flex: 1; }
.package li { margin-bottom: 8px; }
.package .best-for { font-size: .92rem; background: var(--bg-alt); padding: 12px 14px; border-radius: 10px; margin: 8px 0 20px; }

/* Metrics */
.metric { text-align: left; }
.metric h3 { color: var(--brand); }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding: 20px 0; }
.faq summary { font-weight: 600; cursor: pointer; font-size: 1.08rem; list-style: none; position: relative; padding-right: 30px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: -2px; font-size: 1.4rem; color: var(--brand); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: 12px; }

/* CTA */
.cta {
  background: linear-gradient(135deg, var(--ink) 0%, #1b2d6b 100%);
  color: #fff; border-radius: 22px; padding: 56px; text-align: center;
}
.cta h2 { color: #fff; }
.cta p { color: rgba(255,255,255,.8); max-width: 620px; margin: 0 auto 26px; }
.cta .btn-primary { background: #fff; color: var(--ink); border-color: #fff; }
.cta .btn-primary:hover { background: var(--accent); border-color: var(--accent); color: var(--ink); }

/* Footer */
.site-footer { padding: 40px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: .92rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); text-decoration: none; margin-left: 18px; }
.site-footer a:hover { color: var(--brand); }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .grid-3, .timeline { grid-template-columns: 1fr; }
  .grid-2, .dodont { grid-template-columns: 1fr; }
  .cta { padding: 40px 24px; }
}
@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: #fff; border-bottom: 1px solid var(--line);
    padding: 10px 20px 20px;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; padding: 10px 0; }
  .pillar { grid-template-columns: 1fr; gap: 8px; }
  .hero { padding: 64px 0 56px; }
  section { padding: 60px 0; }
  .site-footer a { margin: 0 18px 0 0; }
}

/* Team */
.team-card { text-align: center; }
.team-card .avatar {
  width: 88px; height: 88px; border-radius: 50%; margin: 0 auto 16px;
  display: grid; place-items: center; font-size: 1.6rem; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--accent));
}
.team-card h3 { margin-bottom: 4px; }
.team-card .role { color: var(--muted); font-size: .95rem; }