/* v6 — "AI in your business" concept. Brand blue on white, editorial spacing. */
:root {
  --blue: #2743d3;
  --blue-dark: #1c31a3;
  --ink: #101322;
  --muted: #5a6072;
  --line: #e6e8f0;
  --bg-soft: #f6f7fb;
  --green: #0a7d4f;
  --max: 1080px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif; color: var(--ink); line-height: 1.55; background: #fff; }
a { color: var(--blue); text-decoration: none; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Nav */
nav { border-bottom: 1px solid var(--line); position: sticky; top: 0; background: rgba(255,255,255,.94); backdrop-filter: blur(8px); z-index: 10; }
.nav-in { display: flex; align-items: center; gap: 28px; height: 62px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; color: var(--ink); }
.logo svg { border-radius: 8px; }
.nav-links { display: flex; gap: 22px; font-size: 14.5px; margin-left: 8px; }
.nav-links a { color: var(--muted); }
.nav-links a:hover, .nav-links a.on { color: var(--ink); }
.nav-cta { margin-left: auto; display: flex; gap: 10px; align-items: center; }

/* Buttons */
.btn { display: inline-block; padding: 12px 22px; border-radius: 10px; font-weight: 600; font-size: 15px; border: 1.5px solid transparent; cursor: pointer; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-sm { padding: 9px 16px; font-size: 14px; border-radius: 8px; }

/* Hero */
.hero { padding: 72px 0 36px; }
.hero .kicker { color: var(--blue); font-weight: 700; font-size: 14px; letter-spacing: .04em; text-transform: uppercase; }
.hero h1 { font-size: clamp(34px, 5.2vw, 54px); line-height: 1.08; letter-spacing: -0.02em; margin: 14px 0 20px; max-width: 820px; }
.hero h1 em { font-style: normal; color: var(--blue); }
.hero .lede { font-size: 19px; color: var(--muted); max-width: 700px; margin-bottom: 30px; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.cta-note { font-size: 13.5px; color: var(--muted); margin-top: 14px; }

/* Sections */
section { padding: 52px 0; }
section.soft { background: var(--bg-soft); }
.k { color: var(--blue); font-weight: 700; font-size: 13.5px; letter-spacing: .05em; text-transform: uppercase; }
h2 { font-size: clamp(26px, 3.4vw, 36px); letter-spacing: -0.015em; line-height: 1.15; margin: 10px 0 14px; max-width: 760px; }
.lede { font-size: 17px; color: var(--muted); max-width: 720px; }

/* Cards */
.grid { display: grid; gap: 18px; margin-top: 36px; }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) { .g3, .g2 { grid-template-columns: 1fr; } }
.card { border: 1px solid var(--line); border-radius: 14px; padding: 26px; background: #fff; }
.card h3 { font-size: 17.5px; margin-bottom: 8px; }
.card p { font-size: 15px; color: var(--muted); }
.card .tag { display: inline-block; font-size: 12px; font-weight: 700; color: var(--blue); background: #eef0fc; border-radius: 6px; padding: 3px 9px; margin-bottom: 12px; letter-spacing: .03em; }

/* Quote band */
.band { background: var(--ink); color: #fff; padding: 58px 0; }
.band blockquote { font-size: clamp(20px, 2.8vw, 28px); line-height: 1.35; letter-spacing: -0.01em; max-width: 860px; font-weight: 600; }
.band cite { display: block; margin-top: 16px; font-style: normal; font-size: 14.5px; color: #9aa3c0; }

/* Checklist */
.checks { list-style: none; margin-top: 26px; display: grid; gap: 14px; max-width: 780px; }
.checks li { display: flex; gap: 12px; font-size: 15.5px; }
.checks li strong { color: var(--ink); }
.checks li span.c { color: var(--green); font-weight: 800; flex: 0 0 auto; }
.checks li div { color: var(--muted); }

/* Pricing */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; align-items: stretch; }
@media (max-width: 900px) { .tiers { grid-template-columns: 1fr; } }
.tier { border: 1px solid var(--line); border-radius: 16px; padding: 30px 26px; display: flex; flex-direction: column; background: #fff; }
.tier.hot { border: 2px solid var(--blue); position: relative; }
.tier .chip { position: absolute; top: -12px; left: 24px; background: var(--blue); color: #fff; font-size: 12px; font-weight: 700; border-radius: 999px; padding: 4px 12px; }
.tier h3 { font-size: 18px; }
.tier .who { color: var(--muted); font-size: 14px; margin: 4px 0 16px; }
.tier .price { font-size: 38px; font-weight: 800; letter-spacing: -0.02em; }
.tier .price small { font-size: 15px; font-weight: 500; color: var(--muted); }
.tier ul { list-style: none; margin: 18px 0 24px; display: grid; gap: 9px; font-size: 14.5px; color: var(--muted); }
.tier ul li::before { content: "✓  "; color: var(--green); font-weight: 700; }
.tier .btn { margin-top: auto; text-align: center; }

/* Comparison table */
table.cmp { width: 100%; border-collapse: collapse; margin-top: 34px; font-size: 15px; }
.cmp th, .cmp td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.cmp th { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.cmp td.dim { color: var(--muted); }
.cmp td.win { color: var(--ink); font-weight: 600; }
.cmp tr td:first-child { font-weight: 600; width: 24%; }
.tbl-scroll { overflow-x: auto; }

/* Steps */
.steps { counter-reset: s; display: grid; gap: 0; margin-top: 32px; max-width: 860px; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 6px 30px; }
.step { display: flex; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--line); align-items: flex-start; }
.step:last-child { border-bottom: 0; }
.step .n { counter-increment: s; flex: 0 0 40px; height: 40px; border-radius: 999px; background: #eef0fc; color: var(--blue); font-weight: 800; display: flex; align-items: center; justify-content: center; }
.step .n::before { content: counter(s); }
.step h3 { font-size: 18px; margin-bottom: 5px; }
.step p { font-size: 15.5px; color: var(--muted); max-width: 640px; }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 16px 0; max-width: 780px; }
details summary { font-weight: 600; font-size: 16px; cursor: pointer; }
details p { margin-top: 10px; font-size: 15px; color: var(--muted); }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 36px 0; font-size: 13.5px; color: var(--muted); }
.foot { display: flex; gap: 24px; flex-wrap: wrap; align-items: center; }
.foot .sp { margin-left: auto; }

/* Utility */
.mt8 { margin-top: 8px; } .mt16 { margin-top: 16px; } .mt24 { margin-top: 24px; } .mt40 { margin-top: 40px; }
.center { text-align: center; }
.small { font-size: 13.5px; color: var(--muted); }