/* Opus — shared styles for marketing, blog, and dashboard */
:root {
  --bg: #f7f7fb; --surface: #ffffff; --surface-2: #f0f0f6;
  --text: #16161d; --muted: #5c5c6b; --border: #e4e4ee;
  --accent: #5b4cf0; --accent-ink: #ffffff; --accent-soft: #ece9ff;
  --good: #128a5b; --good-soft: #e2f5ec; --warn: #b8860b; --warn-soft: #fbf1d9; --bad: #d23b3b; --bad-soft: #fbe6e6;
  --shadow: 0 1px 2px rgba(16,16,29,.05), 0 8px 24px rgba(16,16,29,.06);
  --radius: 14px; --maxw: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e0e14; --surface: #17171f; --surface-2: #1e1e28; --text: #ececf2; --muted: #9a9aad; --border: #2a2a37;
    --accent: #8a7dff; --accent-soft: #23213a; --accent-ink: #0e0e14;
    --good-soft: #10281f; --warn-soft: #2a2410; --bad-soft: #2a1414;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 10px 30px rgba(0,0,0,.4);
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
img { max-width: 100%; }
[hidden] { display: none !important; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.btn { display: inline-flex; align-items: center; gap: 8px; justify-content: center; padding: 11px 18px; border-radius: 10px; border: 1px solid transparent; background: var(--accent); color: var(--accent-ink); font-weight: 600; font-size: 15px; cursor: pointer; transition: transform .05s ease, filter .15s ease; text-decoration: none; }
.btn:hover { filter: brightness(1.05); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn.secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.block { width: 100%; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.chip { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--accent-soft); color: var(--accent); }
.chip.good { background: var(--good-soft); color: var(--good); } .chip.warn { background: var(--warn-soft); color: var(--warn); } .chip.bad { background: var(--bad-soft); color: var(--bad); } .chip.mut { background: var(--surface-2); color: var(--muted); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.muted { color: var(--muted); }
.grid { display: grid; gap: 18px; }
h1,h2,h3 { line-height: 1.2; }
input, select { font: inherit; padding: 11px 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); color: var(--text); width: 100%; }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
label { display:block; font-size: 13px; font-weight: 600; color: var(--muted); margin: 0 0 6px; }
.field { margin-bottom: 14px; }

/* Marketing */
.nav { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { font-weight: 800; font-size: 20px; letter-spacing: -.02em; display:flex; align-items:center; gap:9px; }
.brand .dot { width: 12px; height: 12px; border-radius: 4px; background: linear-gradient(135deg, var(--accent), #b06cff); display:inline-block; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--text); font-weight: 500; font-size: 15px; }
.hero { padding: 76px 0 48px; text-align: center; }
.hero h1 { font-size: clamp(34px, 6vw, 58px); letter-spacing: -.03em; margin: 0 0 18px; }
.hero p.lead { font-size: clamp(17px, 2.4vw, 21px); color: var(--muted); max-width: 640px; margin: 0 auto 28px; }
.hero .cta { display:flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.trust { margin-top: 22px; font-size: 13px; color: var(--muted); }
.section { padding: 56px 0; }
.section h2 { font-size: clamp(26px, 4vw, 36px); letter-spacing: -.02em; text-align: center; margin: 0 0 8px; }
.section .sub { text-align:center; color: var(--muted); max-width: 620px; margin: 0 auto 40px; }
.features { grid-template-columns: repeat(3, 1fr); }
.feature { padding: 24px; } .feature h3 { margin: 6px 0 8px; font-size: 18px; } .feature p { margin: 0; color: var(--muted); font-size: 15px; }
.feature .ic { font-size: 26px; }
.pricing { grid-template-columns: repeat(2, minmax(0,1fr)); max-width: 760px; margin: 0 auto; }
.price { padding: 30px; text-align: center; position: relative; }
.price.featured { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent) inset, var(--shadow); }
.price .amt { font-size: 44px; font-weight: 800; letter-spacing: -.03em; } .price .amt span { font-size: 16px; color: var(--muted); font-weight: 600; }
.price ul { list-style: none; padding: 0; margin: 18px 0 24px; text-align: left; } .price li { padding: 7px 0 7px 26px; position: relative; }
.price li::before { content: "✓"; position: absolute; left: 0; color: var(--good); font-weight: 800; }
.faq { max-width: 780px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--border); padding: 16px 0; } .faq summary { font-weight: 600; cursor: pointer; font-size: 17px; }
.faq p { color: var(--muted); margin: 10px 0 0; }
.footer { border-top: 1px solid var(--border); padding: 40px 0; color: var(--muted); font-size: 14px; margin-top: 40px; }
.footer .wrap { display:flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer a { color: var(--muted); display:block; padding: 3px 0; }

/* Blog */
.post { max-width: 740px; margin: 0 auto; padding: 40px 20px 20px; }
.post h1 { font-size: clamp(28px, 5vw, 42px); letter-spacing: -.02em; }
.post .meta { color: var(--muted); font-size: 14px; margin-bottom: 24px; }
.post p, .post li { font-size: 17px; } .post h2 { margin-top: 32px; }
.bloglist { grid-template-columns: repeat(2,1fr); }
.bloglist a.card { padding: 22px; color: var(--text); } .bloglist a.card:hover { text-decoration: none; border-color: var(--accent); }
.bloglist h3 { margin: 0 0 6px; } .bloglist p { color: var(--muted); margin: 0; font-size: 15px; }

@media (max-width: 820px) { .features, .pricing, .bloglist { grid-template-columns: 1fr; } .nav-links a:not(.btn) { display:none; } }