/* Same look as Competitor Radar: Inter, indigo/violet hero, rounded cards. Font is self-hosted (SIL OFL), variable weight. */
@font-face { font-family: Inter; font-style: normal; font-weight: 400 800; font-display: swap; src: url(/rls/fonts/inter-latin.woff2) format("woff2"); }

:root {
  --bg: #fcfcfa;
  --fg: #111;
  --muted: #5f6368;
  --line: #e6e6e6;
  --soft: #f4f4f1;
  --card: #ffffff;
  --code-bg: #f2f1ee;
  --accent: #4f46e5;
  --accent-ink: #fff;
  --accent-soft: #eef2ff;
  --critical: #b3261e;
  --high: #c2410c;
  --medium: #a16207;
  --low: #4b5563;
  --shadow: 0 1px 2px rgba(16,24,40,.06), 0 12px 32px rgba(16,24,40,.08);
  --hero-1: #3730a3;
  --hero-2: #7c3aed;
  --sans: Inter, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0c22;
    --fg: #ecebff;
    --muted: #a4a2c8;
    --line: #2b2950;
    --soft: #17163a;
    --card: #151433;
    --code-bg: #1d1c45;
    --accent: #a5b4fc;
    --accent-ink: #1e1b4b;
    --accent-soft: #23215a;
    --critical: #f28b82;
    --high: #fdab71;
    --medium: #e8c25a;
    --low: #b0b6bd;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 16px 40px rgba(5,3,30,.6);
    --hero-1: #2e2a8f;
    --hero-2: #5b2bc4;
  }
  /* Home page: the gradient is drawn on the whole page so the hero fades into the background without a seam */
  body.home { background:
      radial-gradient(800px 600px at 78% 420px, rgba(196,181,253,.30), transparent 60%),
      radial-gradient(700px 500px at 0% 900px, rgba(56,189,248,.22), transparent 60%),
      linear-gradient(180deg, #3b2fa8 0px, #4f2ab8 700px, #3a2190 1000px, #251763 1300px, #161237 1650px, #0d0c22 2000px) top / 100% 2000px no-repeat,
      #0d0c22; }
  body.home .hero { background: none; }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-underline-offset: 3px; }
h1, h2, h3 { letter-spacing: -.025em; }
h1 { letter-spacing: -.04em; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Top navigation */
.topnav { display: flex; justify-content: space-between; align-items: center; gap: 12px 24px; flex-wrap: wrap; padding-top: 28px; padding-bottom: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 650; color: var(--fg); text-decoration: none; letter-spacing: -.01em; }
.brand::before { content: ""; width: 22px; height: 22px; border-radius: 50%; flex: none;
                 background: radial-gradient(circle, var(--accent) 0 3px, transparent 4px), conic-gradient(from 20deg, var(--accent), transparent 35%), var(--soft);
                 box-shadow: inset 0 0 0 1.5px var(--accent); }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: 15px; }
.nav-links a { color: var(--muted); text-decoration: none; }
.nav-links a:hover { color: var(--fg); }
.nav-links a.nav-cta { color: var(--accent-ink); background: var(--accent); padding: 9px 18px; border-radius: 999px; font-weight: 500; }
.nav-links a.nav-cta:hover { color: var(--accent-ink); opacity: .88; }

/* Inner pages (guides, 404) */
header.wrap { padding-top: 24px; }
h1 { font-weight: 700; font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.08; margin: 0 0 16px; }
.lead { font-size: 1.15rem; color: var(--muted); margin: 0 0 16px; max-width: 760px; }

/* Home hero: indigo/violet gradient, nav on top, sample finding card on the right */
.hero { position: relative; overflow: hidden; color: #fff; padding-bottom: 104px;
        background: radial-gradient(800px 600px at 78% 40%, rgba(196,181,253,.45), transparent 60%),
                    radial-gradient(700px 500px at 0% 100%, rgba(56,189,248,.35), transparent 60%),
                    linear-gradient(135deg, var(--hero-1), var(--hero-2)); }
.hero .brand { color: #fff; }
.hero .brand::before { background: radial-gradient(circle, #fff 0 3px, transparent 4px), conic-gradient(from 20deg, rgba(255,255,255,.9), transparent 35%), rgba(255,255,255,.12); box-shadow: inset 0 0 0 1.5px #fff; }
.hero .nav-links a { color: rgba(255,255,255,.85); }
.hero .nav-links a:hover { color: #fff; }
.hero .nav-links a.nav-cta { color: #4338ca; background: #fff; }
.hero .nav-links a.nav-cta:hover { background: #eef2ff; opacity: 1; }
.hero-inner { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(0,1fr); gap: 56px; align-items: center; padding-top: 72px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 24px; padding: 6px 14px 6px 10px; border-radius: 999px;
           font-size: 13px; font-weight: 500; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.22); }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 4px rgba(74,222,128,.25); }
.hero h1 { font-size: clamp(2.4rem, 4.6vw, 3.9rem); line-height: 1.02; letter-spacing: -.045em; margin-bottom: 24px; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg,#a5f3fc,#f5d0fe); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { color: rgba(255,255,255,.82); font-size: 1.2rem; line-height: 1.55; max-width: 32em; margin-bottom: 24px; }
.hero .lead em { font-style: normal; color: #fff; font-weight: 600; }
.promises { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; font-size: .9rem; }
.promises li { padding: 6px 12px; border-radius: 999px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2); }
.promises li::before { content: "✓ "; color: #86efac; font-weight: 700; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 0 0 18px; }
.hero-sample { color: rgba(255,255,255,.85); font-size: .95rem; text-underline-offset: 3px; text-decoration-color: rgba(255,255,255,.45); }
.hero-sample:hover { color: #fff; }
.hero .btn.primary { background: #fff; border-color: #fff; color: #4338ca; box-shadow: 0 8px 24px rgba(30,16,90,.35); }
.hero .btn.primary:hover { background: #eef2ff; }

.hero-visual { display: flex; justify-content: center; }
.stack { position: relative; width: 100%; max-width: 460px; animation: float 7s ease-in-out infinite; }
.stack::before { content: ""; position: absolute; inset: 18px -18px -18px 18px; border-radius: 22px; background: rgba(255,255,255,.22); border: 1px solid rgba(255,255,255,.3); }
.preview { position: relative; padding: 22px; background: var(--card); color: var(--fg); border-radius: 22px; box-shadow: 0 40px 90px rgba(30,16,90,.45);
           font-size: 14px; line-height: 1.45; transform: rotate(-1deg); }
.preview-head { display: flex; justify-content: space-between; align-items: center; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.preview-head span { color: var(--muted); font-size: 12px; }
.preview .finding { margin: 12px 0 0; padding: 12px 14px; box-shadow: none; animation: rise .6s both; }
.preview .finding:nth-of-type(2) { animation-delay: .15s; } .preview .finding:nth-of-type(3) { animation-delay: .3s; }
.preview .finding h3 { font-size: .95rem; }
.preview .detail { margin: 6px 0 0; color: var(--muted); }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@media (prefers-reduced-motion: reduce) { .stack, .preview .finding { animation: none; } }

/* The check: three step cards, text kept to a readable width */
main.wrap > section { max-width: 860px; }
.step { scroll-margin-top: 24px; margin: 24px 0 0; padding: 28px; background: var(--card); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
body.home main > .step:first-child { margin-top: -56px; position: relative; }
.step p { margin: 0 0 14px; }
h2 { font-size: 1.35rem; font-weight: 650; margin: 0 0 10px; }
h2 span {
  display: inline-grid; place-items: center; width: 32px; height: 32px; margin-right: 10px; vertical-align: 2px;
  border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-size: 15px; letter-spacing: 0;
}

code, pre, textarea { font: 14px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; overflow-wrap: anywhere; }
pre {
  margin: 0; padding: 14px; overflow: auto; max-height: 260px;
  background: var(--code-bg); border-radius: 12px; white-space: pre;
}
.code { position: relative; }
.code .btn { position: absolute; top: 10px; right: 10px; }
.code pre { padding-top: 56px; }

textarea {
  width: 100%; padding: 14px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--bg); color: var(--fg); resize: vertical;
}
textarea:focus { outline: 3px solid var(--accent-soft); border-color: var(--accent); }

.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 14px; }
.btn {
  display: inline-block; font: inherit; font-size: .95rem; font-weight: 500; padding: 9px 16px; cursor: pointer; text-decoration: none;
  border: 1px solid var(--line); border-radius: 999px; background: var(--card); color: var(--fg); transition: opacity .15s, border-color .15s;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; padding: 12px 24px; }
.btn.primary:hover { opacity: .88; }
.btn.big { padding: 15px 28px; font-size: 1rem; }
.btn.link { border: 0; background: none; color: var(--accent); text-decoration: underline; padding: 8px 0; }

.error { color: var(--critical); font-weight: 600; }
.muted { color: var(--muted); }

#results { margin-top: 24px; padding: 28px; background: var(--card); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }

.finding {
  margin: 16px 0; padding: 16px 18px; background: var(--card);
  border: 1px solid var(--line); border-left: 5px solid var(--low); border-radius: 12px;
}
.finding.critical { border-left-color: var(--critical); }
.finding.high { border-left-color: var(--high); }
.finding.medium { border-left-color: var(--medium); }
.finding header { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.finding h3 { margin: 0; font-size: 1.05rem; font-weight: 600; letter-spacing: -.01em; overflow-wrap: anywhere; }
.sev { text-transform: uppercase; font-size: .72rem; font-weight: 700; letter-spacing: .05em; color: var(--low); }
.critical .sev { color: var(--critical); }
.high .sev { color: var(--high); }
.medium .sev { color: var(--medium); }
.detail { margin: 8px 0; overflow-wrap: anywhere; }
.advisor { margin: 0 0 8px; font-size: .9rem; color: var(--muted); }
.fix { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.sql { width: 100%; }
.sql summary { cursor: pointer; color: var(--accent); font-size: .95rem; }
.sql pre { margin-top: 8px; }

.monitor { margin-top: 24px; padding: 18px 20px; background: var(--accent-soft); border-radius: 14px; }
.monitor h3 { margin: 0 0 4px; }
.monitor p { margin: 0; }
.waitlist { margin: 14px 0 0; }
.waitlist label { display: block; margin: 0 0 8px; font-size: .85rem; font-weight: 600; }
.waitlist-row { display: flex; gap: 8px; }
.waitlist input[type=email] { flex: 1; min-width: 0; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--fg); font: inherit; }
.waitlist .btn { white-space: nowrap; }
.waitlist .hp { position: absolute; left: -9999px; width: 1px; height: 1px; }
.monitor .waitlist-note { margin: 10px 0 0; font-size: .9rem; }
.waitlist-note.error { color: var(--critical); }
.waitlist-banner { margin: 16px 0; padding: 12px 16px; background: var(--accent-soft); border-radius: 12px; }

.about { padding: 72px 0 32px; }
.about h2 { font-size: clamp(1.7rem, 3vw, 2.2rem); font-weight: 700; letter-spacing: -.035em; margin: 40px 0 16px; }
.about h2:first-child { margin-top: 0; }
dt { font-weight: 600; margin-top: 18px; }
dd { margin: 4px 0 0; color: var(--muted); }

footer { padding-top: 24px; padding-bottom: 48px; font-size: .9rem; position: relative; }
footer::before { content: ""; position: absolute; top: 0; left: 24px; right: 24px; border-top: 1px solid var(--line); }

/* Guides */
.article { padding-top: 24px; padding-bottom: 56px; }
.article > * { max-width: 760px; }
.article h1 { font-size: clamp(1.9rem, 4.5vw, 2.8rem); }
.article h1 code { font-size: .85em; }
.article h2 { margin-top: 40px; }
.article pre { margin: 12px 0 16px; max-height: none; }
.article pre.wrap-text { white-space: pre-wrap; }
.article ul { padding-left: 22px; }
.cta { margin-top: 32px; padding: 22px 24px; background: var(--accent-soft); border-radius: 16px; }
.cta .btn { display: inline-block; text-decoration: none; }
.guide-list { padding-left: 20px; }
.guide-list li { margin: 12px 0; }
.guide-list p { margin: 4px 0 0; }

@media (max-width: 760px) {
  .wrap { padding: 0 16px; }
  footer::before { left: 16px; right: 16px; }
  .topnav { padding-top: 20px; padding-bottom: 12px; }
  .nav-links { gap: 20px; }
  /* 手機版保留主 CTA；Guides 頁尾與內文都還找得到 */
  .nav-links a.nav-guide { display: none; }
  .hero { padding-bottom: 88px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding-top: 24px; }
  .hero h1 { font-size: 2.3rem; }
  .hero .lead { font-size: 1.05rem; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .hero-sample { text-align: center; }
  .hero .btn.big { display: block; width: 100%; text-align: center; }
  .waitlist-row { flex-direction: column; }
  .waitlist .btn { width: 100%; }
  .stack { max-width: 360px; }
  .preview { padding: 16px; }
  body.home { background-size: 100% 2600px, 100% 2600px, 100% 2600px; background-repeat: no-repeat; }
  .step, #results { padding: 20px 16px; border-radius: 16px; }
  .about { padding-top: 48px; }
}