/* DecodeDesk marketing site. System fonts only — no third-party requests. */
:root {
  --bg: #f6f5f1; --surface: #ffffff; --surface-2: #eeede6; --ink: #17201e; --muted: #56625f; --line: #dfddd3;
  --primary: #0f766e; --primary-ink: #fff; --primary-soft: #d6efec; --accent: #d97706; --accent-soft: #fdf0d8;
  --ok: #15803d; --ok-soft: #dcfce7; --mid: #b45309; --mid-soft: #fef3c7; --bad: #b91c1c; --bad-soft: #fee2e2;
  --read: Verdana, Geneva, sans-serif; --ui: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #101514; --surface: #182020; --surface-2: #1f2928; --ink: #e9eeec; --muted: #9eaaa6; --line: #2c3735;
    --primary: #2dd4bf; --primary-ink: #04201d; --primary-soft: #0f3a36; --accent: #fbbf24; --accent-soft: #3a2c0c;
    --ok: #4ade80; --ok-soft: #12351f; --mid: #fbbf24; --mid-soft: #3a2c0c; --bad: #f87171; --bad-soft: #3d1717; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #101514; --surface: #182020; --surface-2: #1f2928; --ink: #e9eeec; --muted: #9eaaa6; --line: #2c3735;
  --primary: #2dd4bf; --primary-ink: #04201d; --primary-soft: #0f3a36; --accent: #fbbf24; --accent-soft: #3a2c0c;
  --ok: #4ade80; --ok-soft: #12351f; --mid: #fbbf24; --mid-soft: #3a2c0c; --bad: #f87171; --bad-soft: #3d1717; color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--ui); -webkit-font-smoothing: antialiased; }
a { color: var(--primary); }
img, svg { max-width: 100%; }
.wrap { width: min(1160px, 100% - 32px); margin: 0 auto; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.15rem; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.eyebrow { text-transform: uppercase; letter-spacing: .1em; font-size: .8rem; font-weight: 700; color: var(--primary); margin-bottom: .8em; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 10px; font-weight: 700; text-decoration: none; border: 1px solid var(--line); color: var(--ink); background: var(--surface); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.btn:hover { filter: brightness(1.06); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 10; 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; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; color: var(--ink); text-decoration: none; }
.nav-links { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav-links a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: .95rem; }
.nav-links .btn { padding: 8px 14px; color: var(--primary-ink); }
@media (max-width: 820px) { .nav-links a:not(.btn):not(.signin) { display: none; } }

/* hero */
.hero { padding: 64px 0 40px; }
.hero .wrap { display: grid; grid-template-columns: 1fr 1.05fr; gap: 48px; align-items: center; }
.hero p.lead { font-size: 1.2rem; color: var(--muted); max-width: 34em; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0 12px; }
.fine { font-size: .88rem; color: var(--muted); }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; } }

/* product mock */
.mock { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 30px 60px -30px rgba(0,0,0,.35); overflow: hidden; font-size: 13px; }
.mock-top { display: flex; justify-content: space-between; align-items: center; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.mock-top b { font-size: 1.2rem; font-variant-numeric: tabular-nums; }
.mock-body { display: grid; grid-template-columns: 150px 1fr; }
.mock-steps { border-right: 1px solid var(--line); padding: 8px; display: flex; flex-direction: column; gap: 2px; }
.mock-steps span { padding: 6px 8px; border-radius: 6px; display: flex; justify-content: space-between; }
.mock-steps span.on { background: var(--primary-soft); font-weight: 700; }
.mock-steps small { color: var(--muted); }
.mock-main { padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.mock-stage { background: #fbf5e3; color: #1c2321; border-radius: 12px; text-align: center; padding: 22px 10px 14px; font-family: var(--read); letter-spacing: .05em; }
.mock-stage div { font-size: 3.2rem; font-weight: 600; line-height: 1; }
.mock-stage small { color: #6b6b6b; letter-spacing: 0; }
.mock-tally { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.mock-tally span { border: 2px solid; border-radius: 10px; text-align: center; padding: 6px; font-weight: 800; font-size: 1.2rem; }
.mock-tally .ok { border-color: var(--ok); color: var(--ok); background: var(--ok-soft); }
.mock-tally .mid { border-color: var(--mid); color: var(--mid); }
.mock-tally .bad { border-color: var(--bad); color: var(--bad); }
.mock-list { display: flex; flex-wrap: wrap; gap: 5px; font-family: var(--read); }
.mock-list i { font-style: normal; padding: 3px 8px; border-radius: 6px; border: 1px solid var(--line); }
.mock-list .ok { background: var(--ok-soft); } .mock-list .bad { background: var(--bad-soft); } .mock-list .mid { background: var(--mid-soft); }
@media (max-width: 520px) { .mock-body { grid-template-columns: 1fr; } .mock-steps { display: none; } }

/* sections */
section.band { padding: 72px 0; }
section.alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.center { text-align: center; } .center p.muted { max-width: 42em; margin-left: auto; margin-right: auto; }
.replace { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 18px; }
.replace span { background: var(--surface-2); padding: 6px 14px; border-radius: 99px; font-weight: 600; text-decoration: line-through; text-decoration-color: var(--accent); text-decoration-thickness: 2px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 36px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
@media (max-width: 900px) { .grid3 { grid-template-columns: 1fr 1fr; } .grid2 { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .grid3 { grid-template-columns: 1fr; } }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 22px; }
.alt .feature { background: var(--bg); }
.feature .ic { width: 42px; height: 42px; border-radius: 10px; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; margin-bottom: 12px; }
.feature p { color: var(--muted); margin: 0; font-size: .97rem; }
.steps { counter-reset: s; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 36px; }
.steps div { counter-increment: s; }
.steps div::before { content: counter(s); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--primary); color: var(--primary-ink); font-weight: 800; margin-bottom: 12px; }
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; } }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.checks li { padding-left: 34px; position: relative; }
.checks li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 24px; height: 24px; border-radius: 50%; background: var(--ok-soft); color: var(--ok); display: grid; place-items: center; font-weight: 800; font-size: .85rem; }
.report-mock { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 20px; box-shadow: 0 20px 50px -30px rgba(0,0,0,.3); }
.report-mock .rstat { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 12px 0; }
.report-mock .rstat div { border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; font-size: .8rem; color: var(--muted); }
.report-mock .rstat b { display: block; color: var(--ink); font-size: 1.3rem; }
.report-mock svg .s { fill: none; stroke: var(--primary); stroke-width: 2.5; }
.report-mock svg .g { stroke: var(--accent); stroke-dasharray: 5 5; }
.report-mock svg .gr { stroke: var(--line); }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 36px; align-items: stretch; }
@media (max-width: 900px) { .plans { grid-template-columns: 1fr; } }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 26px; display: flex; flex-direction: column; }
.plan.pop { border: 2px solid var(--primary); position: relative; }
.plan.pop::before { content: "Most popular"; position: absolute; top: -13px; left: 24px; background: var(--primary); color: var(--primary-ink); font-size: .75rem; font-weight: 800; padding: 3px 10px; border-radius: 99px; }
.price { font-size: 2.6rem; font-weight: 800; letter-spacing: -.03em; line-height: 1.1; }
.price small { font-size: 1rem; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.plan ul { padding-left: 1.1rem; margin: 16px 0 24px; flex: 1; }
.plan li { margin-bottom: 6px; }
.plan .btn { justify-content: center; }

/* faq */
.faq { max-width: 780px; margin: 30px auto 0; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; margin-bottom: 10px; }
.faq summary { cursor: pointer; font-weight: 700; }
.faq details p { margin: 10px 0 0; color: var(--muted); }

.cta-band { background: var(--primary); color: var(--primary-ink); border-radius: 24px; padding: 48px 32px; text-align: center; }
.cta-band .btn { background: var(--primary-ink); color: var(--primary); border: 0; }
.cta-band .btn.ghost { background: transparent; color: var(--primary-ink); border: 2px solid currentColor; }
footer { padding: 40px 0; color: var(--muted); font-size: .9rem; }
footer .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
footer a { color: var(--muted); margin-right: 16px; }

/* legal pages */
.legal { max-width: 780px; padding: 48px 0 80px; }
.legal h1 { font-size: 2.2rem; }
.legal h2 { font-size: 1.3rem; margin-top: 2em; }
.legal .notice { background: var(--accent-soft); border: 1px solid var(--accent); border-radius: 12px; padding: 14px 18px; font-size: .95rem; }
.legal table { border-collapse: collapse; width: 100%; font-size: .95rem; }
.legal td, .legal th { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
@media (max-width: 480px) {
  .nav .wrap { gap: 10px; } .nav-links { gap: 12px; } .nav-links .signin { font-size: .85rem; }
  .logo { font-size: 1rem; } .logo img { width: 26px; height: 26px; }
  .nav-links .btn { padding: 7px 10px; font-size: .85rem; }
}

.skip-link { position: absolute; left: 8px; top: -60px; z-index: 100; background: #0f766e; color: #fff; padding: 10px 16px; border-radius: 8px; font-weight: 700; text-decoration: none; }
.skip-link:focus { top: 8px; }
.legal .lead { font-size: 1.1rem; color: var(--muted); }
:focus-visible { outline: 3px solid #0f766e; outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }

@media (max-width: 700px) { .legal table { display: block; overflow-x: auto; max-width: 100%; } .legal td, .legal th { min-width: 110px; } }