/* SEGO Tech – Stylesheet
   Ein Stylesheet für alle Seiten. Keine externen Schriften (DSGVO-freundlich). */

:root {
  --bg: #0a111c;
  --bg-2: #0f1928;
  --panel: #131f31;
  --line: #22324a;
  --text: #e7edf5;
  --muted: #9aa9bd;
  --accent: #2fd6e8;
  --accent-2: #f5a524;
  --accent-ink: #04222a;
  --radius: 14px;
  --max: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* ---------- Kopfzeile ---------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(10, 17, 28, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 66px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 800; letter-spacing: 0.06em; font-size: 18px; }
.brand:hover { text-decoration: none; }
.brand svg { width: 32px; height: 32px; }
.brand span b { color: var(--accent); font-weight: 800; }
.nav { display: flex; gap: 26px; font-size: 15px; }
.nav a { color: var(--muted); }
.nav a:hover { color: var(--text); text-decoration: none; }
.nav .btn { color: var(--accent-ink); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--accent); color: var(--accent-ink);
  font-weight: 700; font-size: 16px;
  padding: 12px 22px; border-radius: 999px; border: 0;
}
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--accent); }
.btn.small { padding: 8px 16px; font-size: 14px; }

/* ---------- Startbereich ---------- */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero .fibers { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.55; pointer-events: none; }
.hero .wrap { position: relative; padding-top: 110px; padding-bottom: 110px; }
.eyebrow {
  font-family: var(--mono); font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 18px;
}
.hero h1 { font-size: clamp(36px, 6vw, 64px); line-height: 1.08; margin: 0 0 22px; max-width: 15ch; letter-spacing: -0.02em; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p.lead { font-size: clamp(17px, 2.2vw, 20px); color: var(--muted); max-width: 56ch; margin: 0 0 34px; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; }

.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border-top: 1px solid var(--line); }
.facts div { background: var(--bg-2); padding: 22px 20px; }
.facts strong { display: block; font-size: 20px; }
.facts span { color: var(--muted); font-size: 14px; }

/* ---------- Abschnitte ---------- */
section { padding: 96px 0; }
section.alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(28px, 4vw, 40px); line-height: 1.15; margin: 0 0 12px; letter-spacing: -0.01em; }
.section-head p { color: var(--muted); margin: 0; }

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: border-color .2s ease, transform .2s ease;
}
.card:hover { border-color: rgba(47, 214, 232, 0.55); transform: translateY(-2px); }
.card .icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(47, 214, 232, 0.12); color: var(--accent); margin-bottom: 18px;
}
.card .icon svg { width: 24px; height: 24px; }
.card h3 { margin: 0 0 8px; font-size: 20px; }
.card p { margin: 0 0 14px; color: var(--muted); }
.card ul { margin: 0; padding: 0; list-style: none; }
.card li { position: relative; padding-left: 20px; font-size: 15px; color: var(--text); margin: 4px 0; }
.card li::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 8px; height: 2px; background: var(--accent); }

/* Ablauf */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: s; }
.step { border-top: 2px solid var(--line); padding-top: 18px; }
.step::before {
  counter-increment: s; content: "0" counter(s);
  font-family: var(--mono); color: var(--accent); font-size: 14px; letter-spacing: 0.1em;
}
.step h3 { margin: 8px 0 6px; font-size: 18px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* Über uns */
.about { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: start; }
.about p { color: var(--muted); }
.about p strong { color: var(--text); }
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.checklist li {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; font-size: 15px;
}
.checklist svg { flex: none; width: 20px; height: 20px; color: var(--accent); margin-top: 2px; }

/* Einsatzgebiet */
.region { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.chip { border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; font-size: 15px; background: var(--panel); }
.chip.main { border-color: var(--accent); color: var(--accent); }

/* Kontakt */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact .card.wide { grid-column: 1 / -1; }
.contact .card { display: flex; flex-direction: column; gap: 6px; }
.contact .label { font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.contact .value { font-size: 20px; font-weight: 700; color: var(--text); word-break: break-word; }
.contact a.value:hover { color: var(--accent); text-decoration: none; }
.cta-band {
  margin-top: 18px; border-radius: var(--radius); padding: 32px;
  background: linear-gradient(120deg, rgba(47,214,232,0.16), rgba(245,165,36,0.10));
  border: 1px solid var(--line);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px;
}
.cta-band p { margin: 0; font-size: 19px; font-weight: 600; max-width: 46ch; }

/* ---------- Fußzeile ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 34px 0; color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px; }
.site-footer nav { display: flex; gap: 20px; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--text); }

/* ---------- Rechtstexte ---------- */
.legal { padding: 70px 0 90px; }
.legal .wrap { max-width: 780px; }
.legal h1 { font-size: clamp(30px, 5vw, 42px); margin: 0 0 30px; }
.legal h2 { font-size: 20px; margin: 36px 0 10px; color: var(--accent); }
.legal p, .legal li { color: var(--text); }
.legal .muted { color: var(--muted); }
.legal dl { display: grid; grid-template-columns: 220px 1fr; gap: 8px 20px; margin: 0; }
.legal dt { color: var(--muted); }
.legal dd { margin: 0; }
.todo { background: rgba(245,165,36,0.18); color: #ffd28a; padding: 1px 6px; border-radius: 4px; }

/* ---------- Animation (Glasfaser-Lichtpulse) ---------- */
.pulse { stroke-dasharray: 60 940; animation: travel 6s linear infinite; }
.pulse.p2 { animation-duration: 8s; animation-delay: -2s; }
.pulse.p3 { animation-duration: 7s; animation-delay: -4s; }
.pulse.p4 { animation-duration: 9s; animation-delay: -1s; }
@keyframes travel { from { stroke-dashoffset: 1000; } to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) {
  .pulse { animation: none; stroke-dasharray: none; opacity: 0.25; }
  html { scroll-behavior: auto; }
  .card { transition: none; }
}

/* ---------- Mobil ---------- */
@media (max-width: 900px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav a:not(.btn) { display: none; }
  .hero .wrap { padding-top: 70px; padding-bottom: 70px; }
  section { padding: 64px 0; }
  .grid, .contact { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .legal dl { grid-template-columns: 1fr; gap: 2px; }
  .legal dd { margin-bottom: 10px; }
}