/* TireDial — tiredial.com. System fonts only, no external requests. */
:root {
  --bg: #F5F6F3;
  --surface: #FFFFFF;
  --elevated: #FFFFFF;
  --text: #121412;
  --muted: #686D69;
  --border: #DFE2DE;
  --accent: #FF5A36;
  --accent-soft: rgba(255, 90, 54, 0.10);
  --frame: #121412;
  --shadow: 0 30px 60px -20px rgba(18, 20, 18, 0.25), 0 10px 20px -10px rgba(18, 20, 18, 0.15);
  --radius: 18px;
  --max: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101210;
    --surface: #1A1D1A;
    --elevated: #222522;
    --text: #F4F5F2;
    --muted: #A1A6A1;
    --border: #2E322E;
    --frame: #2E322E;
    --shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.7);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; text-decoration: none; letter-spacing: -0.01em; }
.brand svg { width: 26px; height: 26px; }
.nav { display: flex; gap: 22px; align-items: center; font-size: 15px; }
.nav a { text-decoration: none; color: var(--muted); }
.nav a:hover { color: var(--text); }
@media (max-width: 720px) { .nav .hide-sm { display: none; } }

/* Brand mark (matches the app) */
.mark .ring { stroke: var(--text); }
.mark .needle { stroke: var(--accent); }
.mark .hub { fill: var(--accent); }

/* Hero */
.hero { padding: 72px 0 40px; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.eyebrow { color: var(--accent); font-weight: 700; font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; margin: 0 0 14px; }
h1 { font-size: clamp(44px, 7vw, 76px); line-height: 1.02; letter-spacing: -0.035em; margin: 0 0 18px; }
.lead { font-size: clamp(19px, 2.2vw, 22px); color: var(--muted); margin: 0 0 30px; max-width: 30ch; }
.cta-row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.badge img { height: 54px; width: auto; }
.badge:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; border-radius: 10px; }
.meta { color: var(--muted); font-size: 14px; }
@media (max-width: 860px) {
  .hero { padding-top: 48px; }
  .hero .wrap { grid-template-columns: 1fr; text-align: center; }
  .lead { margin-left: auto; margin-right: auto; }
  .cta-row { justify-content: center; }
}

/* Phone frame around real screenshots */
.phone {
  width: 100%; max-width: 330px; margin: 0 auto;
  border-radius: 54px; padding: 10px;
  background: var(--frame);
  box-shadow: var(--shadow);
}
.phone img { border-radius: 44px; width: 100%; height: auto; aspect-ratio: 1320 / 2868; background: var(--surface); }
.phone.sm { max-width: 280px; border-radius: 46px; padding: 9px; }
.phone.sm img { border-radius: 37px; }

/* Category strip */
.strip { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); margin-top: 48px; }
.strip .wrap { display: flex; justify-content: center; gap: clamp(24px, 6vw, 72px); padding: 22px 20px; font-weight: 700; font-size: clamp(18px, 2.4vw, 24px); letter-spacing: -0.01em; }
.strip a { text-decoration: none; }
.strip a:hover { color: var(--accent); }
.strip span::before, .strip a::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); margin-right: 12px; vertical-align: middle; }

/* Sections */
section { padding: 88px 0 0; }
h2 { font-size: clamp(32px, 4.4vw, 46px); line-height: 1.1; letter-spacing: -0.025em; margin: 0 0 16px; }
h3 { font-size: 19px; margin: 0 0 6px; letter-spacing: -0.01em; }
.section-lead { color: var(--muted); font-size: 19px; max-width: 60ch; margin: 0 0 40px; }

.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 40px 0; }
.feature + .feature { border-top: 1px solid var(--border); }
.feature.flip .copy { order: 2; }
.feature p { color: var(--muted); margin: 0 0 14px; }
.feature ul { padding: 0; margin: 18px 0 0; list-style: none; }
.feature li { padding: 6px 0 6px 28px; position: relative; }
.feature li::before { content: ""; position: absolute; left: 4px; top: 15px; width: 10px; height: 10px; border-radius: 50%; border: 2.5px solid var(--accent); }
@media (max-width: 860px) {
  .feature { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .feature.flip .copy { order: 0; }
  .feature ul { display: inline-block; text-align: left; }
}

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card .icon { width: 36px; height: 36px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; margin-bottom: 14px; }
.card .icon svg { width: 20px; height: 20px; }

/* Pricing */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 720px) { .plans { grid-template-columns: 1fr; } }
.plan { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.plan.pro { border: 1.5px solid var(--accent); }
.plan .price { font-size: 40px; font-weight: 700; letter-spacing: -0.02em; margin: 4px 0 2px; }
.plan .note { color: var(--muted); font-size: 14px; margin: 0 0 18px; }
.plan ul { list-style: none; padding: 0; margin: 0; }
.plan li { padding: 7px 0; border-top: 1px solid var(--border); }
.plan li:first-child { border-top: 0; }
.tag { display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: 0.1em; color: var(--accent); border: 1.5px solid var(--accent); border-radius: 999px; padding: 1px 9px; vertical-align: middle; margin-left: 8px; }

/* Methodology */
.method { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; }
@media (max-width: 860px) { .method { grid-template-columns: 1fr; } }
.method p { color: var(--muted); }
.formula { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; font-size: 15px; }
.formula ol { margin: 0; padding-left: 20px; }
.formula li { margin: 8px 0; }

/* Privacy band */
.band { background: var(--surface); border: 1px solid var(--border); border-radius: 28px; padding: clamp(32px, 6vw, 64px); text-align: center; }
.band p { color: var(--muted); max-width: 56ch; margin: 0 auto 10px; }

/* FAQ */
details { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 16px 20px; margin-bottom: 10px; }
summary { font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent); font-weight: 700; font-size: 20px; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { color: var(--muted); margin: 12px 0 0; }

/* Final CTA */
.final { text-align: center; padding: 96px 0 24px; }
.final .mark-lg { width: 72px; height: 72px; margin: 0 auto 18px; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); margin-top: 72px; padding: 32px 0 48px; color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--text); }
.site-footer .footer-guides { margin-top: 14px; display: block; }

/* Legal pages */
.legal { max-width: 720px; padding: 56px 20px 0; }
.legal h1 { font-size: clamp(34px, 6vw, 52px); }
/* Long German compounds (Datenschutzerklärung) must wrap on phones. */
h1, h2, h3 { -webkit-hyphens: auto; hyphens: auto; overflow-wrap: break-word; }
.legal h2 { font-size: 22px; margin: 40px 0 8px; letter-spacing: -0.01em; }
.legal p, .legal li { color: var(--muted); }
.legal strong { color: var(--text); }
.legal .updated { color: var(--muted); font-size: 14px; margin-top: -6px; }
.legal address { font-style: normal; color: var(--text); line-height: 1.7; }
.legal a { color: var(--accent); }
.legal .de { border-top: 1px solid var(--border); margin-top: 48px; padding-top: 8px; }

/* Hero headlines wrap at word boundaries only (long German words). */
.hero h1 { -webkit-hyphens: manual; hyphens: manual; }

/* Pressure guides (de/reifendruck-*, *-tire-pressure) */
.guide { max-width: 820px; padding: 56px 20px 0; }
.guide h1 { font-size: clamp(38px, 6.4vw, 60px); }
.guide h2 { font-size: clamp(26px, 3.6vw, 34px); margin: 56px 0 12px; }
.guide h3 { margin-top: 28px; }
.guide p, .guide li { color: var(--muted); }
.guide strong { color: var(--text); }
.guide a { color: var(--accent); }
.guide .lead { max-width: none; margin-bottom: 24px; }
.answer { background: var(--accent-soft); border-radius: var(--radius); padding: 20px 22px; margin: 0 0 28px; }
.answer p { color: var(--text); margin: 0; }
.answer .big { font-size: clamp(24px, 3.4vw, 30px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; margin-bottom: 6px; }
.app-cta { display: flex; gap: 20px; align-items: center; justify-content: space-between; flex-wrap: wrap; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 22px; margin: 28px 0; }
.app-cta p { margin: 0; flex: 1 1 280px; }
.app-cta .badge img { height: 46px; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); margin: 16px 0 10px; }
.ptable { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; font-size: 15px; white-space: nowrap; }
.ptable caption { caption-side: top; text-align: left; padding: 14px 16px 6px; color: var(--muted); font-size: 13px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
.ptable th, .ptable td { padding: 9px 14px; text-align: center; border-top: 1px solid var(--border); }
.ptable thead th { color: var(--accent); font-weight: 700; border-top: 0; }
.ptable th[scope="row"] { text-align: left; font-weight: 600; position: sticky; left: 0; background: var(--surface); }
.ptable th[scope="row"] span { display: block; color: var(--muted); font-weight: 400; font-size: 12px; line-height: 1.2; }
.ptable thead th:first-child { text-align: left; color: var(--muted); font-weight: 600; position: sticky; left: 0; background: var(--surface); }
.ptable tbody tr:hover td { background: var(--accent-soft); }
.guide details .table-scroll { margin-bottom: 0; }
.footnote { font-size: 14px; }
.adjust { width: 100%; border-collapse: collapse; font-size: 15px; margin: 16px 0; }
.adjust th, .adjust td { padding: 9px 4px; text-align: left; border-top: 1px solid var(--border); color: var(--muted); }
.adjust td:last-child { text-align: right; color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.adjust th { color: var(--text); }
.related { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin: 16px 0 0; }
.related a { display: block; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 16px 18px; text-decoration: none; color: var(--text); font-weight: 600; }
.related a span { display: block; color: var(--muted); font-weight: 400; font-size: 14px; }
.related a:hover { border-color: var(--accent); }
.crumbs { font-size: 14px; color: var(--muted); margin: 0 0 18px; }
.crumbs a { color: var(--muted); }
.ptable td .sub { display: block; color: var(--muted); font-size: 12px; line-height: 1.2; }
.guide ol, .guide ul { padding-left: 22px; }
.guide li { margin: 6px 0; }
.conv-tables { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .conv-tables { grid-template-columns: 1fr; } }
.converter { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 0 0 28px; }
.converter label { display: flex; flex-direction: column; gap: 6px; font-weight: 700; color: var(--accent); font-size: 14px; letter-spacing: 0.04em; text-transform: uppercase; }
.converter input { font: inherit; font-size: clamp(22px, 4vw, 30px); font-weight: 700; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 12px 14px; width: 100%; min-width: 0; font-variant-numeric: tabular-nums; }
.converter input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }