/* SellerDex AI site styles.
   Look: plain white business site, black type, one amber accent taken from the app itself.
   No gradients, no glows. The phone preview keeps the app's own dark screen. */
:root {
  --bg: #ffffff;
  --bg-alt: #f4f4f1;
  --ink: #111111;
  --muted: #565a61;
  --line: #e2e3de;
  --accent: #f2a20c;
  --accent-ink: #111111;
  --accent-text: #8a5200;
  --mark: rgba(242, 162, 12, 0.55);
  --inv-bg: #111111;
  --inv-fg: #f5f5f2;
  --inv-muted: #a9acb2;
  --inv-line: #2e2e2c;
  --app-bg: #15130f;
  --app-surface: #201d17;
  --app-line: #352f25;
  --app-fg: #f1ede4;
  --app-muted: #a39b8b;
  --display: "Schibsted Grotesk", "Helvetica Neue", Arial, sans-serif;
  --body: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", "Noto Sans", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e0e0d; --bg-alt: #171716; --ink: #f3f3f0; --muted: #a4a7ae; --line: #2a2a28;
    --accent-text: #f5b43a; --mark: rgba(242, 162, 12, 0.38);
    --inv-bg: #1f1f1d; --inv-line: #333331;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0e0e0d; --bg-alt: #171716; --ink: #f3f3f0; --muted: #a4a7ae; --line: #2a2a28;
  --accent-text: #f5b43a; --mark: rgba(242, 162, 12, 0.38);
  --inv-bg: #1f1f1d; --inv-line: #333331;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 17px/1.6 var(--body); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; }
p { margin: 0; }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 700; letter-spacing: -0.025em; line-height: 1.1; margin: 0; text-wrap: balance; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.wrap { max-width: 1160px; margin-inline: auto; padding-inline: 20px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--bg); padding: 10px 14px; border-radius: 6px; z-index: 20; }
.skip:focus { left: 12px; }
.kicker { font: 500 12.5px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-text); }
mark { background: linear-gradient(transparent 60%, var(--mark) 60% 94%, transparent 94%); color: inherit; padding-inline: 2px; }

/* announcement + header */
.announce { background: var(--inv-bg); color: var(--inv-fg); font-size: 14px; text-align: center; padding: 9px 20px; }
.announce a { color: var(--accent); text-underline-offset: 3px; margin-left: 6px; }
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10; background: var(--bg); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 66px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font: 700 20px/1 var(--display); letter-spacing: -0.03em; text-decoration: none; }
.logo i { width: 24px; height: 24px; background: var(--accent); border-radius: 6px; display: grid; place-items: center; color: var(--accent-ink); font: 700 14px/1 var(--display); font-style: normal; }
.nav { display: flex; align-items: center; gap: 28px; font-size: 15px; font-weight: 500; }
.nav a { text-decoration: none; color: var(--muted); }
.nav a:hover { color: var(--ink); }
.btn { display: inline-block; font: 600 15px/1 var(--body); padding: 14px 20px; border-radius: 8px; text-decoration: none; border: 1.5px solid var(--ink); cursor: pointer; background: transparent; color: var(--ink); }
.btn:hover { background: var(--bg-alt); }
.btn.solid { background: var(--ink); color: var(--bg); }
.btn.solid:hover { opacity: 0.88; background: var(--ink); }
.btn.amber { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.amber:hover { filter: brightness(1.06); background: var(--accent); }
.nav .btn { padding: 11px 16px; color: var(--bg); }

/* hero */
.hero { padding-block: 72px 80px; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 64px; align-items: center; }
.hero h1 { font-size: clamp(38px, 5.4vw, 64px); margin-block: 18px 22px; }
.lede { font-size: 20px; color: var(--muted); max-width: 48ch; line-height: 1.5; }
.cta { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.facts { margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 28px; max-width: 520px; }
.facts dt { font: 500 12px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.facts dd { margin: 0; font-weight: 600; font-size: 16px; }
.stage { background: var(--bg-alt); border-radius: 20px; padding: 36px 20px 20px; display: grid; justify-items: center; gap: 16px; min-width: 0; }
.cap { font: 400 12px/1.4 var(--mono); color: var(--muted); text-align: center; }

/* phone preview: the app's own dark screen */
.device { width: min(300px, 100%); background: #0a0a09; border-radius: 38px; padding: 9px; box-shadow: 0 2px 0 rgba(0,0,0,0.08), 0 24px 40px -24px rgba(0,0,0,0.5); }
.screen { background: var(--app-bg); color: var(--app-fg); border-radius: 30px; padding: 14px 14px 16px; display: grid; gap: 12px; min-height: 520px; align-content: start; font-size: 13px; line-height: 1.5; }
.s-top { display: flex; justify-content: space-between; align-items: center; font: 600 15px/1 var(--display); }
.s-plat { font: 500 11px/1 var(--mono); padding: 6px 9px; border: 1px solid var(--app-line); border-radius: 999px; color: var(--app-muted); }
.s-tabs { display: flex; gap: 6px; overflow: hidden; }
.s-tabs span { font: 500 11px/1 var(--mono); padding: 7px 9px; border-radius: 999px; border: 1px solid var(--app-line); color: var(--app-muted); white-space: nowrap; }
.s-tabs span.on { background: var(--accent); border-color: var(--accent); color: #111; }
.bub { padding: 10px 12px; border-radius: 14px; overflow-wrap: anywhere; }
.bub.me { background: var(--accent); color: #111; margin-left: 18%; border-bottom-right-radius: 4px; }
.bub.ai { background: var(--app-surface); border: 1px solid var(--app-line); margin-right: 6%; border-bottom-left-radius: 4px; }
.bub ol { margin: 6px 0 0; padding-left: 18px; display: grid; gap: 3px; }
.s-input { margin-top: 6px; border: 1px solid var(--app-line); border-radius: 12px; padding: 11px 12px; color: var(--app-muted); }

/* sections */
.band { padding-block: 88px; }
.band.alt { background: var(--bg-alt); }
.band.inv { background: var(--inv-bg); color: var(--inv-fg); }
.head { max-width: 640px; display: grid; gap: 16px; margin-bottom: 48px; }
.head h2 { font-size: clamp(30px, 4vw, 46px); }
.head p { color: var(--muted); font-size: 18px; }
.inv .head p { color: var(--inv-muted); }

.problems { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); }
.problems div { padding: 28px 28px 8px 0; display: grid; gap: 10px; align-content: start; }
.problems div + div { padding-left: 28px; border-left: 1px solid var(--line); }
.problems h3 { font-size: 21px; }
.problems p { color: var(--muted); font-size: 16px; }

.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; counter-reset: s; }
.step { background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 26px; display: grid; gap: 10px; align-content: start; }
.step::before { counter-increment: s; content: "Step " counter(s); font: 500 12px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-text); }
.step h3 { font-size: 21px; }
.step p { color: var(--muted); font-size: 16px; }

.tools { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.tool { border: 1px solid var(--line); border-radius: 12px; padding: 26px; display: grid; gap: 10px; align-content: start; background: var(--bg); min-width: 0; }
.tool.lead { grid-column: span 2; border-color: var(--ink); }
.tool header { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.tool h3 { font-size: 22px; }
.tool p { color: var(--muted); font-size: 16px; }
.tag { font: 500 11px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; padding: 6px 8px; border-radius: 4px; background: var(--bg-alt); color: var(--muted); white-space: nowrap; }
.tag.pro { background: var(--accent); color: var(--accent-ink); }
.parts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.parts span { font: 500 12.5px/1 var(--mono); padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px; }

.langs { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.langs div { padding: 22px 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: grid; gap: 6px; background: var(--bg); }
.langs b { font: 700 24px/1.1 var(--display); letter-spacing: -0.02em; }
.langs span { font: 500 12px/1 var(--mono); color: var(--muted); letter-spacing: 0.06em; }
.note { margin-top: 20px; color: var(--muted); font-size: 15px; max-width: 70ch; }

.billing { display: inline-flex; border: 1.5px solid var(--ink); border-radius: 8px; padding: 3px; margin-bottom: 28px; }
.billing button { font: 600 14px/1 var(--body); padding: 10px 16px; border: 0; background: transparent; color: var(--ink); border-radius: 5px; cursor: pointer; }
.billing button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.plan { background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 28px; display: grid; gap: 16px; align-content: start; min-width: 0; }
.plan.pick { border: 2px solid var(--ink); }
.plan h3 { font-size: 22px; display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.plan .desc { color: var(--muted); font-size: 15.5px; min-height: 3em; }
.price { display: flex; align-items: baseline; gap: 8px; font-variant-numeric: tabular-nums; }
.price b { font: 700 44px/1 var(--display); letter-spacing: -0.04em; }
.price span { color: var(--muted); font-size: 15px; }
.billed { font: 400 13px/1.4 var(--mono); color: var(--muted); min-height: 1.4em; }
.plan ul { list-style: none; padding: 16px 0 0; margin: 0; border-top: 1px solid var(--line); display: grid; gap: 11px; font-size: 15.5px; }
.plan li { display: flex; gap: 10px; align-items: baseline; }
.plan li::before { content: ""; flex: none; width: 10px; height: 6px; border-left: 2px solid var(--ink); border-bottom: 2px solid var(--ink); transform: rotate(-45deg) translateY(-3px); }
.plan li.soon { color: var(--muted); }
.plan li.soon::before { border-color: var(--muted); opacity: 0.6; }

.next { border-top: 1px solid var(--line); }
.next div { display: grid; grid-template-columns: 180px 160px minmax(0, 1fr); gap: 8px 24px; padding-block: 20px; border-bottom: 1px solid var(--line); align-items: baseline; }
.next b { font: 700 19px/1.2 var(--display); letter-spacing: -0.02em; }
.next .when { font: 500 12.5px/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.next .now .when { color: var(--accent-text); }
.next p { color: var(--muted); font-size: 16px; }

.faq { max-width: 820px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 22px 40px 22px 0; font: 600 19px/1.35 var(--display); letter-spacing: -0.015em; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 18px; font: 400 28px/1 var(--body); color: var(--muted); }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { padding: 0 40px 24px 0; color: var(--muted); font-size: 16.5px; max-width: 66ch; }

.contact { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 56px; align-items: center; }
.contact h2 { font-size: clamp(30px, 4vw, 46px); margin-block: 14px 16px; }
.contact p { color: var(--inv-muted); font-size: 18px; max-width: 46ch; }
.mailbox { display: grid; gap: 14px; border: 1px solid var(--inv-line); border-radius: 12px; padding: 26px; }
.mailbox small { font: 500 12px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--inv-muted); }
.mailbox code { font: 500 18px/1.3 var(--mono); overflow-wrap: anywhere; user-select: all; color: var(--inv-fg); }
.mailbox .btn { justify-self: start; }

.site-footer { padding-block: 56px 40px; border-top: 1px solid var(--line); }
.foot { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 0.7fr)); gap: 40px; }
.foot p { color: var(--muted); font-size: 15px; max-width: 42ch; margin-top: 14px; }
.foot h4 { font: 500 12px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 15.5px; }
.foot a { text-decoration: none; }
.foot a:hover { text-decoration: underline; text-underline-offset: 3px; }
.legal { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13.5px; display: grid; gap: 8px; max-width: 86ch; }

/* legal pages */
.doc { max-width: 760px; padding-block: 64px 96px; }
.doc h1 { font-size: clamp(34px, 5vw, 52px); margin-block: 14px 12px; }
.doc .meta { color: var(--muted); font: 400 13.5px/1.4 var(--mono); margin-bottom: 40px; }
.doc h2 { font-size: 24px; margin-block: 40px 12px; }
.doc p, .doc li { color: var(--ink); font-size: 17px; }
.doc p + p { margin-top: 12px; }
.doc ul { padding-left: 22px; display: grid; gap: 8px; margin: 12px 0 0; }
.doc table { border-collapse: collapse; width: 100%; min-width: 560px; font-size: 15.5px; }
.doc th, .doc td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc th { font: 500 12px/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.scroll { overflow-x: auto; margin-top: 14px; }

@media (max-width: 980px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 44px; padding-block: 48px 56px; }
  .tools { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .langs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .contact { grid-template-columns: minmax(0, 1fr); gap: 32px; }
}
@media (max-width: 760px) {
  body { font-size: 16.5px; }
  .nav a:not(.btn) { display: none; }
  .band { padding-block: 60px; }
  .problems, .steps, .plans { grid-template-columns: minmax(0, 1fr); }
  .problems div, .problems div + div { padding: 24px 0 8px; border-left: 0; }
  .problems div + div { border-top: 1px solid var(--line); }
  .tools { grid-template-columns: minmax(0, 1fr); }
  .tool.lead { grid-column: auto; }
  .next div { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .foot { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .foot > div:first-child { grid-column: span 2; }
  .lede { font-size: 18px; }
}
@media (max-width: 480px) {
  .langs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts { grid-template-columns: minmax(0, 1fr); }
  .announce { font-size: 13px; text-align: left; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }