/* Oprindo — Phase 0 static site. No build step; plain CSS. */
:root {
  --bg: #0f1720;
  --bg-elev: #17212b;
  --fg: #e7edf3;
  --fg-muted: #9fb0c0;
  --line: #26333f;
  --accent: #4aa3df;
  --accent-fg: #04121d;
  --warn-bg: #2a2320;
  --warn-line: #6b5636;
  --ok: #6fcf97;
  --maxw: 900px;
  --radius: 10px;
  font-size: 17px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f9fb;
    --bg-elev: #ffffff;
    --fg: #16232e;
    --fg-muted: #52616e;
    --line: #dbe3ea;
    --accent: #1f6fa8;
    --accent-fg: #ffffff;
    --warn-bg: #fbf4e6;
    --warn-line: #e4c884;
    --ok: #1c7a44;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Header / nav */
header.site {
  border-bottom: 1px solid var(--line);
  background: var(--bg-elev);
  position: sticky;
  top: 0;
  z-index: 10;
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 12px;
  padding-bottom: 12px;
  flex-wrap: wrap;
}
.brand { font-weight: 700; font-size: 1.15rem; letter-spacing: 0.02em; color: var(--fg); text-decoration: none; }
.brand span { color: var(--accent); }
nav.site a {
  color: var(--fg-muted);
  text-decoration: none;
  margin-left: 18px;
  font-size: 0.95rem;
}
nav.site a:hover, nav.site a[aria-current="page"] { color: var(--fg); }

/* Sections */
main { padding: 40px 0 80px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 0.4em; }
h2 { font-size: 1.4rem; margin: 2em 0 0.6em; border-bottom: 1px solid var(--line); padding-bottom: 0.3em; }
h3 { font-size: 1.1rem; margin: 1.6em 0 0.4em; }
p, li { color: var(--fg); }
.lead { font-size: 1.15rem; color: var(--fg-muted); }
.muted { color: var(--fg-muted); }
small { color: var(--fg-muted); }

.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin: 18px 0;
}

.callout {
  background: var(--warn-bg);
  border: 1px solid var(--warn-line);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin: 18px 0;
  font-size: 0.95rem;
}
.callout strong { color: var(--fg); }

/* Buttons */
.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-fg);
  padding: 11px 20px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 1rem;
}
.btn:hover { text-decoration: none; opacity: 0.92; }
.btn.secondary {
  background: transparent;
  color: var(--fg);
  border-color: var(--line);
}
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 22px 0; }

/* Tables */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 18px 0; }
table { border-collapse: collapse; width: 100%; font-size: 0.95rem; min-width: 640px; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border: 1px solid var(--line); }
th { background: var(--bg-elev); color: var(--fg); }
td.you, td.owner { }
tbody tr:nth-child(even) td { background: color-mix(in srgb, var(--bg-elev) 50%, transparent); }

/* Forms */
form.oprindo { margin: 18px 0; }
.field { margin: 16px 0; }
.field label { display: block; font-weight: 600; margin-bottom: 6px; }
.field .hint { font-weight: 400; color: var(--fg-muted); font-size: 0.9rem; }
input[type=text], input[type=email], input[type=number], select, textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
}
.radio-row, .check-row { display: flex; gap: 18px; flex-wrap: wrap; }
.radio-row label, .check-row label { font-weight: 400; display: flex; align-items: center; gap: 6px; }

/* Screener */
.step { display: none; }
.step.active { display: block; }
.progress { color: var(--fg-muted); font-size: 0.9rem; margin-bottom: 8px; }
.q { font-size: 1.25rem; font-weight: 600; margin: 8px 0 20px; }
.result { display: none; }
.result.active { display: block; }
.result h2 { border: none; }

/* Pricing */
.pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin: 22px 0; }
.plan { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.plan h3 { margin-top: 0; }
.plan .price { font-size: 1.5rem; font-weight: 700; }

/* Footer */
footer.site {
  border-top: 1px solid var(--line);
  color: var(--fg-muted);
  font-size: 0.88rem;
  padding: 28px 0 60px;
}
footer.site p { color: var(--fg-muted); margin: 0.4em 0; }

/* TODO / placeholder markers for prose the user will supply/review */
.todo {
  border-left: 3px solid var(--warn-line);
  background: var(--warn-bg);
  padding: 10px 14px;
  margin: 12px 0;
  font-size: 0.9rem;
  color: var(--fg-muted);
}
.todo::before { content: "PLACEHOLDER — copy pending review · "; font-weight: 700; color: var(--fg); }

code { background: color-mix(in srgb, var(--fg-muted) 20%, transparent); padding: 1px 5px; border-radius: 4px; font-size: 0.9em; }