:root {
  --bg: #ffffff; --soft: #f8fafc; --card: #ffffff; --text: #0f172a; --muted: #475569; --faint: #64748b; --line: #e2e8f0;
  --green: #16a34a; --green-dark: #15803d; --green-soft: #dcfce7; --blue: #0284c7;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0b1220; --soft: #0f172a; --card: #111a2e; --text: #e2e8f0; --muted: #a3b2c6; --faint: #8796ab; --line: #1e293b; --green-soft: #052e16; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
a { color: var(--green); }
img { max-width: 100%; height: auto; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
nav { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
nav .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
nav .brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--text); text-decoration: none; }
nav .brand img { width: 30px; height: 30px; }
nav .links { margin-left: auto; display: flex; gap: 22px; align-items: center; }
nav .links a { color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 600; }
nav .links a:hover { color: var(--text); }
.btn { display: inline-block; text-decoration: none; font-weight: 700; border-radius: 12px; padding: 13px 22px; background: var(--green); color: #fff !important; border: 0; }
.btn:hover { background: var(--green-dark); }
.btn.ghost { background: transparent; color: var(--text) !important; border: 1px solid var(--line); }
.btn.small { padding: 8px 14px; font-size: 14px; border-radius: 10px; }
.hero { padding: 72px 0 40px; text-align: center; background: radial-gradient(900px 400px at 50% -10%, var(--green-soft), transparent 70%); }
.hero h1 { font-size: clamp(36px, 6vw, 60px); line-height: 1.05; letter-spacing: -1.5px; margin: 0 auto; max-width: 820px; }
.hero p.sub { font-size: clamp(18px, 2.4vw, 21px); color: var(--muted); max-width: 660px; margin: 20px auto 30px; }
.hero .ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero .note { color: var(--faint); font-size: 14px; margin-top: 14px; }
.hero .shot { margin: 48px auto 0; aspect-ratio: 1180 / 760; width: 100%; max-width: 1000px; border-radius: 16px; box-shadow: 0 30px 80px rgba(15, 23, 42, .18); border: 1px solid var(--line); display: block; }
section { padding: 64px 0; }
section.alt { background: var(--soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(28px, 4vw, 38px); letter-spacing: -0.8px; line-height: 1.15; margin: 0 0 12px; }
.lead { color: var(--muted); font-size: 19px; max-width: 680px; margin: 0 0 36px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 22px; }
.feature h3 { margin: 10px 0 6px; font-size: 19px; }
.feature p { margin: 0; color: var(--muted); font-size: 16px; }
.feature .ico { font-size: 26px; }
.showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; margin-top: 48px; }
.showcase img.panel { justify-self: center; width: 360px; max-height: 660px; object-fit: cover; object-position: top; background: #fff; padding: 14px 16px 0; }
.showcase img { border-radius: 14px; border: 1px solid var(--line); box-shadow: 0 16px 40px rgba(15, 23, 42, .12); }
.showcase h3 { font-size: 24px; margin: 0 0 8px; letter-spacing: -0.4px; }
.showcase p { color: var(--muted); margin: 0; }
.grades { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.g { color: #fff; font-weight: 800; font-size: 13px; letter-spacing: .5px; border-radius: 999px; padding: 4px 12px; }
.g.hot { background: #16a34a; } .g.good { background: #0284c7; } .g.fair { background: #ca8a04; } .g.pass { background: #dc2626; }
.pricing { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; max-width: 860px; }
.plan { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 28px; }
.plan.pro { border: 2px solid var(--green); position: relative; }
.plan .tag { position: absolute; top: -13px; left: 24px; background: var(--green); color: #fff; font-size: 12px; font-weight: 800; letter-spacing: .6px; padding: 3px 10px; border-radius: 999px; }
.plan h3 { margin: 0; font-size: 22px; }
.plan .price { font-size: 40px; font-weight: 800; letter-spacing: -1px; margin: 8px 0 2px; }
.plan .price small { font-size: 16px; font-weight: 600; color: var(--muted); letter-spacing: 0; }
.plan .alt-price { color: var(--muted); font-size: 15px; margin-bottom: 18px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 9px; }
.plan li { padding-left: 28px; position: relative; font-size: 16px; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 800; }
.fineprint { color: var(--faint); font-size: 14px; margin-top: 18px; }
.faq { max-width: 760px; }
details { border-bottom: 1px solid var(--line); padding: 16px 0; }
details summary { font-weight: 700; font-size: 18px; cursor: pointer; list-style: none; }
details summary::after { content: "+"; float: right; color: var(--faint); font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { color: var(--muted); margin: 10px 0 0; }
footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--faint); font-size: 14px; }
footer .wrap { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--text); }
footer .sp { margin-left: auto; }
/* Legal pages */
.doc { max-width: 760px; padding: 48px 24px 80px; margin: 0 auto; }
.doc h1 { font-size: 40px; letter-spacing: -1px; margin: 0 0 8px; }
.doc h2 { font-size: 24px; margin: 36px 0 10px; letter-spacing: -0.3px; }
.doc p, .doc li { color: var(--muted); }
.doc strong { color: var(--text); }
.doc ul { padding-left: 22px; }
.doc table { border-collapse: collapse; width: 100%; font-size: 15px; }
@media (max-width: 860px) {
  .grid3, .pricing, .showcase { grid-template-columns: 1fr; }
  .showcase.rev > :first-child { order: 2; }
  nav .links a.hide-sm { display: none; }
}