/* 247dns.eu – Stylesheet. Schriften lokal (IBM Plex, SIL OFL 1.1, siehe fonts/OFL.txt). */

@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 500; font-display: swap; src: url("fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url("fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); }

:root {
  --ink: #1a1d23;
  --text-2: #4a515c;
  --text-3: #5a616d;
  --rule: #dfe2e6;
  --ground: #ffffff;
  --ground-2: #f7f8f9;
  --accent: #0b3a75;
  --accent-hover: #072852;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ground); color: var(--ink); font: 16px/1.6 var(--sans); }

a { color: var(--accent); text-underline-offset: 2px; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

h1, h2, h3 { margin: 0; color: var(--ink); }
p { margin: 0; }

.m { font-family: var(--mono); font-size: .875em; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Kopf */
.site-header { border-bottom: 1px solid var(--rule); }
.site-header .wrap { min-height: 64px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 32px; }
.wordmark { font-family: var(--mono); font-weight: 500; font-size: 18px; color: var(--ink); text-decoration: none; padding: 10px 0; }
.wordmark span { color: var(--text-3); }
.wordmark:hover { color: var(--ink); }
.nav { display: flex; flex-wrap: wrap; gap: 4px 28px; font-size: 15px; }
.nav a { color: var(--ink); text-decoration: none; padding: 10px 0; }
.nav a:hover { color: var(--accent); text-decoration: underline; }

/* Einstieg */
.intro { padding-top: 88px; padding-bottom: 80px; display: flex; flex-wrap: wrap; gap: 56px; align-items: flex-start; }
.intro-text { flex: 999 1 520px; min-width: 0; }
.intro h1 { font-size: 44px; line-height: 1.15; font-weight: 600; letter-spacing: -.01em; margin-bottom: 20px; }
.intro .sub { font-size: 20px; line-height: 1.5; max-width: 34em; margin-bottom: 24px; }
.intro .body { color: var(--text-2); line-height: 1.65; max-width: 38em; margin-bottom: 36px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center; }
.button { display: inline-block; background: var(--accent); color: #fff; text-decoration: none; font-weight: 500; font-size: 15px; padding: 13px 22px; border-radius: 3px; }
.button:hover { background: var(--accent-hover); color: #fff; }
.textlink { font-size: 15px; font-weight: 500; padding: 12px 0; }
.glance { flex: 1 1 340px; min-width: 0; border: 1px solid var(--rule); border-radius: 4px; padding: 8px 24px 4px; }

/* Tabellen */
.t { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.5; }
.t th { text-align: left; font-weight: 500; color: var(--text-3); font-size: 13px; padding: 10px 16px 10px 0; border-bottom: 1px solid var(--ink); }
.t td { padding: 14px 16px 14px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.t td.k { color: var(--text-3); }
.t td.d { color: var(--text-2); }
.t td.n { font-weight: 500; }
.t tr:last-child td.last { border-bottom: 0; }
.glance .t { font-size: 14px; }
.glance .t td.k { width: 46%; }
.scroll { overflow-x: auto; }
.t-wide { min-width: 760px; }
.t-mid { min-width: 600px; }
.c-proto { width: 24%; } .c-addr { width: 38%; } .c-port { width: 14%; } .c-cat { width: 30%; }

/* Abschnitte */
.section { border-top: 1px solid var(--rule); }
.section.alt { background: var(--ground-2); }
.section > .wrap { padding-top: 72px; padding-bottom: 72px; }
.section h2 { font-size: 28px; font-weight: 600; line-height: 1.25; margin-bottom: 12px; }
.section h2.solo { margin-bottom: 32px; }
.lead { color: var(--text-2); line-height: 1.65; max-width: 44em; margin-bottom: 32px; }
.note { margin-top: 24px; font-size: 14px; color: var(--text-3); max-width: 52em; }

.facts { margin: 0; display: flex; flex-direction: column; border-bottom: 1px solid var(--rule); }
.facts > div { display: flex; flex-wrap: wrap; gap: 4px 32px; padding: 18px 0; border-top: 1px solid var(--rule); }
.facts dt { flex: 0 0 260px; font-weight: 500; }
.facts dd { flex: 1 1 360px; margin: 0; color: var(--text-2); }

/* Einrichtung */
.setup { display: flex; flex-wrap: wrap; gap: 0 48px; }
.setup > div { flex: 1 1 440px; min-width: 0; padding: 20px 0; border-top: 1px solid var(--rule); }
.setup h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.setup ol { margin: 0; padding-left: 20px; color: var(--text-2); line-height: 1.7; font-size: 15px; }
.setup p { color: var(--text-2); font-size: 15px; margin-bottom: 10px; }
.setup p.small { font-size: 14px; color: var(--text-3); margin: 10px 0 0; }
.setup .m { color: var(--ink); }
.setup .addr { color: var(--ink); line-height: 1.8; margin: 0; }
pre { margin: 0; padding: 14px 16px; background: var(--ground-2); border: 1px solid var(--rule); border-radius: 3px; overflow-x: auto; font-family: var(--mono); font-size: 13px; line-height: 1.6; }

/* Rechtstexte */
.doc { padding-top: 64px; padding-bottom: 80px; max-width: 800px; }
.doc h1 { font-size: 36px; font-weight: 600; line-height: 1.2; margin-bottom: 32px; }
.doc h2 { font-size: 20px; font-weight: 600; margin: 40px 0 12px; padding-top: 24px; border-top: 1px solid var(--rule); }
.doc h3 { font-size: 16px; font-weight: 600; margin: 24px 0 8px; }
.doc p, .doc ul { color: var(--text-2); margin: 0 0 12px; }
.doc ul { padding-left: 20px; }
.doc address { font-style: normal; color: var(--ink); line-height: 1.7; margin-bottom: 12px; }
.doc .stand { font-size: 14px; color: var(--text-3); margin-top: 40px; }

/* Fuß */
.site-footer { border-top: 1px solid var(--ink); }
.site-footer .wrap { padding-top: 32px; padding-bottom: 40px; display: flex; flex-wrap: wrap; gap: 16px 48px; justify-content: space-between; font-size: 14px; }
.site-footer .who { color: var(--text-3); }
.site-footer .who .name { font-family: var(--mono); font-weight: 500; color: var(--ink); margin-bottom: 4px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 4px 28px; align-items: flex-start; }
.site-footer nav a { color: var(--ink); padding: 10px 0; }
.site-footer nav a:hover { color: var(--accent); }

/* 404 */
.notfound { padding-top: 120px; padding-bottom: 160px; }
.notfound h1 { font-size: 36px; font-weight: 600; margin-bottom: 12px; }
.notfound p { color: var(--text-2); margin-bottom: 28px; }

@media (max-width: 640px) {
  .intro { padding-top: 48px; padding-bottom: 56px; gap: 40px; }
  .intro h1 { font-size: 34px; }
  .intro .sub { font-size: 18px; }
  .section > .wrap { padding-top: 56px; padding-bottom: 56px; }
  .section h2 { font-size: 24px; }
  .facts dt { flex-basis: 100%; }
  .glance { padding: 4px 16px 0; }
  .doc { padding-top: 40px; }
  .doc h1 { font-size: 28px; }
}