/* Layout: one calm column, a mail-header hero, alternating plain bands; the Ω (ohm, resistance) mark is the one bold note. */
:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --ink: #14202e;
  --muted: #5a6878;
  --line: #dbe2ea;
  --accent: #1f5fd1;
  --accent-soft: #e5edfb;
  --warn: #b85c00;
  --warn-soft: #fff1e0;
  --ok: #1d7a4f;
  --display: "Schibsted Grotesk", "Helvetica Neue", Arial, sans-serif;
  --body: "Source Sans 3", "Segoe UI", Roboto, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d141d; --surface: #141e2a; --ink: #e6edf5; --muted: #9aa9ba; --line: #253344;
    --accent: #6d9cf0; --accent-soft: #18294a; --warn: #f0a556; --warn-soft: #33230f; --ok: #5cc493;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d141d; --surface: #141e2a; --ink: #e6edf5; --muted: #9aa9ba; --line: #253344;
  --accent: #6d9cf0; --accent-soft: #18294a; --warn: #f0a556; --warn-soft: #33230f; --ok: #5cc493;
  color-scheme: dark;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { font-family: var(--display); line-height: 1.12; text-wrap: balance; margin: 0; letter-spacing: -0.015em; }
h1 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); font-weight: 750; }
h3 { font-size: 1.125rem; font-weight: 700; }
p { margin: 0; }

.wrap { max-width: 1080px; margin: 0 auto; padding-inline: 20px; }
.narrow { max-width: 720px; }

/* Header */
.top { border-bottom: 1px solid var(--line); background: var(--surface); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 14px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 800 1.25rem var(--display); }
.mark { width: 34px; height: 34px; border-radius: 9px; background: var(--accent); color: #fff; display: grid; place-items: center; font: 700 1.25rem/1 var(--display); flex: none; }
.nav { display: flex; gap: 20px; flex-wrap: wrap; font-size: 0.975rem; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }

/* Hero */
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; padding-block: 64px 56px; }
.hero .lede { font-size: 1.2rem; color: var(--muted); margin-top: 18px; max-width: 34ch; }
.cta { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-top: 28px; }
.badge { display: inline-flex; align-items: center; gap: 10px; background: var(--ink); color: var(--bg); padding: 11px 18px; border-radius: 12px; font: 600 0.98rem var(--display); }
.badge small { display: block; font: 500 0.7rem var(--body); opacity: 0.75; letter-spacing: 0.04em; text-transform: uppercase; }
.cta .note { color: var(--muted); font-size: 0.95rem; }

/* The mock email: what OhmMail actually shows */
.mail { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; box-shadow: 0 18px 40px -24px rgba(20, 32, 46, 0.35); min-width: 0; }
.mail-head { padding: 16px 18px; border-bottom: 1px solid var(--line); display: grid; gap: 4px; }
.mail-head .row { display: flex; gap: 10px; font-size: 0.95rem; min-width: 0; }
.mail-head .k { color: var(--muted); width: 56px; flex: none; }
.mail-head .v { min-width: 0; overflow-wrap: anywhere; }
.addr { font-family: var(--mono); font-size: 0.85rem; }
.addr mark { background: var(--warn-soft); color: var(--warn); padding: 0 2px; border-radius: 3px; font-weight: 700; }
.mail-warn { margin: 16px 18px; padding: 14px 16px; border-radius: 12px; background: var(--warn-soft); }
.mail-warn strong { color: var(--warn); font-family: var(--display); display: block; margin-bottom: 6px; }
.mail-warn ul { margin: 0; padding-left: 18px; font-size: 0.95rem; }
.mail-body { padding: 0 18px 18px; color: var(--muted); font-size: 0.95rem; }
.mail-actions { display: flex; gap: 8px; padding: 0 18px 18px; flex-wrap: wrap; }
.chip { font: 600 0.85rem var(--body); padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); }
.chip.red { border-color: transparent; background: var(--warn); color: #fff; }

/* Sections */
section.band { padding-block: 64px; border-top: 1px solid var(--line); }
section.band.alt { background: var(--surface); }
.eyebrow { font: 600 0.78rem var(--body); letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.intro { color: var(--muted); max-width: 60ch; margin-top: 12px; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; margin-top: 36px; }
.item h3 { margin-bottom: 6px; }
.item p { color: var(--muted); font-size: 1rem; }
.item .sym { font: 700 0.85rem var(--mono); color: var(--accent); display: block; margin-bottom: 10px; }

/* Plans */
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-top: 36px; align-items: start; }
.plan { border: 1px solid var(--line); border-radius: 16px; padding: 24px; background: var(--bg); display: grid; gap: 14px; min-width: 0; }
.plan.featured { border-color: var(--accent); background: var(--surface); box-shadow: 0 0 0 1px var(--accent); }
.plan .price { font: 800 2rem var(--display); font-variant-numeric: tabular-nums; }
.plan .price span { font: 500 1rem var(--body); color: var(--muted); }
.plan .yearly { color: var(--muted); font-size: 0.95rem; margin-top: -8px; }
.plan ul { margin: 0; padding-left: 18px; display: grid; gap: 6px; font-size: 0.98rem; }
.plan .tag { justify-self: start; font: 600 0.75rem var(--body); letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); background: var(--accent-soft); padding: 3px 9px; border-radius: 999px; }
.fine { color: var(--muted); font-size: 0.9rem; margin-top: 18px; max-width: 70ch; }

/* Privacy promise strip */
.promise { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; margin-top: 32px; }
.promise div { border-left: 2px solid var(--accent); padding-left: 14px; }
.promise b { display: block; font-family: var(--display); }
.promise span { color: var(--muted); font-size: 0.95rem; }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding-block: 16px; }
details summary { cursor: pointer; font: 650 1.05rem var(--display); list-style: none; display: flex; justify-content: space-between; gap: 16px; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; color: var(--accent); font-weight: 700; }
details[open] summary::after { content: "–"; }
details p { color: var(--muted); margin-top: 10px; max-width: 65ch; }

/* Document pages (privacy, support, terms) */
.doc { padding-block: 48px 72px; }
.doc h1 { font-size: clamp(2rem, 4.5vw, 2.8rem); }
.doc .updated { color: var(--muted); margin-top: 10px; }
.doc h2 { font-size: 1.35rem; margin-top: 36px; margin-bottom: 8px; }
.doc p, .doc li { color: var(--ink); max-width: 68ch; }
.doc p + p { margin-top: 12px; }
.doc ul { padding-left: 20px; display: grid; gap: 6px; }
.contact { margin-top: 18px; display: inline-flex; gap: 12px; align-items: center; flex-wrap: wrap; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; }
.contact code { font-family: var(--mono); font-size: 0.95rem; user-select: all; }
.contact button { font: 600 0.9rem var(--body); border: 1px solid var(--line); background: var(--bg); color: var(--ink); border-radius: 8px; padding: 6px 12px; cursor: pointer; }
.table-wrap { overflow-x: auto; margin-top: 12px; }
table { border-collapse: collapse; min-width: 520px; width: 100%; font-size: 0.95rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-family: var(--display); }
td code { font-family: var(--mono); font-size: 0.88rem; }

/* Footer */
footer { border-top: 1px solid var(--line); padding-block: 28px; color: var(--muted); font-size: 0.92rem; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
footer a { color: var(--muted); }

@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; padding-block: 40px; gap: 32px; }
  .grid, .plans { grid-template-columns: 1fr; }
  .promise { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 480px) {
  .promise { grid-template-columns: 1fr; }
  .nav { gap: 14px; }
}
@media (prefers-reduced-motion: no-preference) {
  .mail-warn { animation: pulse-in 0.6s ease-out 0.3s both; }
  @keyframes pulse-in { from { transform: translateY(6px); } to { transform: none; } }
}