/* Schriften lokal – keine Verbindung zu Google */
@font-face{font-family:"Barlow";font-weight:400;font-style:normal;font-display:swap;src:url(fonts/barlow-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Barlow";font-weight:500;font-style:normal;font-display:swap;src:url(fonts/barlow-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Barlow";font-weight:600;font-style:normal;font-display:swap;src:url(fonts/barlow-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Barlow";font-weight:700;font-style:normal;font-display:swap;src:url(fonts/barlow-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:"Barlow Condensed";font-weight:500;font-style:normal;font-display:swap;src:url(fonts/barlow-condensed-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Barlow Condensed";font-weight:600;font-style:normal;font-display:swap;src:url(fonts/barlow-condensed-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Barlow Condensed";font-weight:700;font-style:normal;font-display:swap;src:url(fonts/barlow-condensed-latin-700-normal.woff2) format("woff2")}
/* ============================================================
   AST-Digital GmbH — Website-Stylesheet
   Farben: Petrol-Navy / Signal-Orange / Tech-Cyan
   Typografie: Barlow + Barlow Condensed
   ============================================================ */

:root {
  --navy: #16342a;
  --navy-2: #1e4837;
  --navy-3: #2a5a45;
  --ink: #1e2b24;
  --muted: #5d6b5f;
  --line: #ddd8c6;
  --bg: #fdfbf5;
  --bg-alt: #efe9d9;
  --bg-soft: #f8f5ec;
  --accent: #2f9e63;
  --accent-dark: #237a4b;
  --cyan: #6f9b82;
  --cyan-soft: #ece6d3;
  --ok: #2f9e63;
  --radius: 10px;
  --shadow: 0 10px 30px rgba(22, 52, 42, 0.10);
  --font-body: "Barlow", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-display: "Barlow Condensed", "Barlow", "Arial Narrow", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}

img, svg { max-width: 100%; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.12;
  color: var(--navy);
  text-wrap: balance;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.4rem, 5.5vw, 3.9rem); font-weight: 700; letter-spacing: 0.01em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 600; }
h3 { font-size: 1.35rem; font-weight: 600; }
h4 { font-size: 1.1rem; font-weight: 600; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--navy-3); }
a:hover { color: var(--accent-dark); }

ul { padding-left: 1.2em; }

.container {
  max-width: 1140px;
  margin-inline: auto;
  padding-inline: 20px;
}

.narrow { max-width: 760px; }

section { padding-block: 72px; }
section.tight { padding-block: 48px; }

.section-alt { background: var(--bg-alt); }
.section-soft { background: var(--bg-soft); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--cyan);
  flex: none;
}
.eyebrow.on-dark { color: #d9cfae; }
.eyebrow.on-dark::before { background: #d9cfae; }

.lead { font-size: 1.18rem; color: var(--muted); max-width: 46em; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 13px 26px;
  border-radius: 6px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); color: #fff; }
.btn-outline { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-outline-light { border-color: rgba(255,255,255,0.65); color: #fff; background: transparent; }
.btn-outline-light:hover { background: #fff; color: var(--navy); border-color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

/* ---------- Header / Navigation ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  color: var(--navy);
  flex: none;
}
.brand:hover { color: var(--navy); }
.brand-mark { width: 36px; height: 36px; flex: none; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}
.site-nav > a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.08rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: var(--ink);
  padding-block: 6px;
  border-bottom: 2px solid transparent;
}
.site-nav > a:hover { color: var(--navy-3); }
.site-nav > a.active { border-bottom-color: var(--cyan); color: var(--navy); }
.site-nav > a.nav-2g { color: var(--accent-dark); font-weight: 600; }
.site-nav > a.nav-2g.active { border-bottom-color: var(--accent); }
.site-nav > a.btn { padding: 9px 18px; font-size: 0.98rem; border-bottom: 2px solid transparent; }
.site-nav > a.nav-login { color: var(--muted); }

.nav-toggle { display: none; }
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}
.nav-burger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--navy);
  border-radius: 2px;
}

@media (max-width: 940px) {
  .nav-burger { display: flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    padding: 10px 20px 20px;
  }
  .site-nav > a { padding: 12px 4px; border-bottom: 1px solid var(--bg-alt); }
  .site-nav > a.btn { margin-top: 12px; text-align: center; }
  .nav-toggle:checked ~ .site-nav { display: flex; }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 60%, var(--navy-3) 100%);
  color: #e8f1f7;
  overflow: hidden;
  padding-block: 88px;
}
.hero h1 { color: #fff; }
.hero .lead { color: #b8c8b2; }
.hero-inner { position: relative; z-index: 2; max-width: 640px; }
.hero-art {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.hero-art svg { position: absolute; right: -40px; top: 50%; transform: translateY(-50%); height: 120%; opacity: 0.5; }
@media (max-width: 760px) {
  .hero { padding-block: 60px; }
  .hero-art svg { opacity: 0.18; }
}

.hero-badge {
  display: inline-block;
  background: rgba(63, 158, 107, 0.16);
  border: 1px solid rgba(63, 158, 107, 0.55);
  color: #d3e8c8;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.9rem;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

/* ---------- Stats ---------- */

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
}
.stat {
  flex: 1 1 200px;
  padding: 26px 30px;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: none; }
.stat .num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.4rem;
  color: var(--navy);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.stat .num em { color: var(--cyan); font-style: normal; }
.stat .lbl { color: var(--muted); font-size: 0.98rem; }
@media (max-width: 700px) {
  .stat { border-right: none; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: none; }
}
.stats-pull { margin-top: -46px; position: relative; z-index: 3; }

/* ---------- Cards / Grids ---------- */

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 940px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
a.card { text-decoration: none; color: inherit; transition: border-color 0.15s, box-shadow 0.15s; }
a.card:hover { border-color: var(--cyan); box-shadow: var(--shadow); color: inherit; }
.card h3 { margin: 0; }
.card p { color: var(--muted); font-size: 0.99rem; }
.card .more {
  margin-top: auto;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: var(--cyan);
}

.icon-tile {
  width: 46px;
  height: 46px;
  border-radius: 9px;
  background: var(--cyan-soft);
  color: var(--navy-3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 6px;
}
.icon-tile svg { width: 26px; height: 26px; }

/* ---------- Feature list ---------- */

.feature-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.feature-list li { display: flex; gap: 12px; align-items: flex-start; }
.feature-list .tick {
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  border-radius: 50%;
  background: var(--cyan-soft);
  color: var(--ok);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

/* ---------- Split layout ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- Steps (Prozess) ---------- */

.steps { display: grid; gap: 0; counter-reset: step; }
.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding-block: 22px;
  border-bottom: 1px solid var(--line);
}
.step:last-child { border-bottom: none; }
.step-num {
  counter-increment: step;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  color: var(--navy);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-variant-numeric: tabular-nums;
}
.step-num::before { content: counter(step); }
.step h3 { margin-bottom: 4px; }
.step p { color: var(--muted); }

/* ---------- Preis-Hinweis ---------- */

.price-band {
  background: var(--navy);
  color: #e6e0cb;
  border-radius: var(--radius);
  padding: 36px 40px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 28px;
}
.price-band h3 { color: #fff; margin: 0; }
.price-band .price {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.4rem;
  color: #fff;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.price-band .price small { font-size: 1rem; font-weight: 500; color: #a9bfa3; }
.price-band .note { flex: 1 1 280px; color: #a9bfa3; font-size: 0.95rem; }

.price-table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.price-table th, .price-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.price-table th { font-family: var(--font-display); letter-spacing: 0.05em; text-transform: uppercase; font-size: 0.9rem; color: var(--muted); }
.price-table td.val { text-align: right; font-weight: 600; color: var(--navy); white-space: nowrap; }
.table-scroll { overflow-x: auto; }
.price-note { font-size: 0.9rem; color: var(--muted); margin-top: 10px; }

/* ---------- 2G-Banner ---------- */

.banner-2g {
  background: linear-gradient(120deg, #0b2e1c, #14532d);
  border-left: 6px solid var(--accent);
  color: #d9f6e7;
  border-radius: var(--radius);
  padding: 30px 34px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
}
.banner-2g h3 { color: #fff; margin: 0 0 4px; }
.banner-2g p { margin: 0; color: #9fdcb8; }
.banner-2g .btn { flex: none; }
.banner-2g .grow { flex: 1 1 320px; }

/* ---------- FAQ ---------- */

.faq details {
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 12px;
  background: #fff;
}
.faq summary {
  cursor: pointer;
  padding: 16px 20px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.12rem;
  color: var(--navy);
  list-style: none;
  position: relative;
  padding-right: 44px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--cyan);
}
.faq details[open] summary::after { content: "–"; }
.faq .faq-body { padding: 0 20px 18px; color: var(--muted); }

/* ---------- CTA-Band ---------- */

.cta-band {
  background: linear-gradient(135deg, var(--navy), var(--navy-3));
  color: #e6e1cd;
  text-align: left;
}
.cta-band h2 { color: #fff; }
.cta-band .lead { color: #aec2a7; }

/* ---------- Blog ---------- */

.post-card { padding: 0; overflow: hidden; }
.post-card .post-head {
  background: linear-gradient(135deg, var(--navy-2), var(--navy-3));
  color: #d6cfae;
  padding: 22px 26px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.post-card .post-body { padding: 24px 26px 28px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.post-meta { color: var(--muted); font-size: 0.9rem; }

.article-head { padding-block: 64px 40px; }
.article-body { max-width: 720px; }
.article-body h2 { font-size: 1.7rem; margin-top: 1.6em; }
.article-body h3 { margin-top: 1.3em; }
.article-body blockquote {
  margin: 1.4em 0;
  padding: 14px 22px;
  border-left: 4px solid var(--cyan);
  background: var(--bg-soft);
  color: var(--navy-2);
  font-size: 1.05rem;
}
.disclaimer {
  margin-top: 2.2em;
  padding: 16px 20px;
  background: var(--bg-alt);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

/* ---------- Formulare ---------- */

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 620px) { .form-grid { grid-template-columns: 1fr; } }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
  color: var(--navy);
}
.form-field input,
.form-field select,
.form-field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: 2px solid var(--cyan);
  outline-offset: 1px;
  border-color: var(--cyan);
}
.form-hint { font-size: 0.85rem; color: var(--muted); }
.form-status { margin-top: 14px; font-weight: 600; color: var(--ok); }

/* ---------- Login-Kacheln ---------- */

.login-tile { text-align: left; }
.login-tile .icon-tile { width: 54px; height: 54px; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--navy);
  color: #a8baa4;
  padding-block: 56px 0;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 {
  color: #fff;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.site-footer a { color: #c4d3bd; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; font-size: 0.97rem; }
.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.footer-brand svg { width: 32px; height: 32px; }
.footer-about { font-size: 0.97rem; max-width: 34em; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-block: 20px;
  font-size: 0.88rem;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
}

/* ---------- Sonstiges ---------- */

.pill {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--cyan-soft);
  color: var(--navy-3);
}
.pill.warn { background: #ddf6e9; color: var(--accent-dark); }

.compare { border-collapse: collapse; width: 100%; }
.compare th, .compare td { padding: 12px 16px; border-bottom: 1px solid var(--line); text-align: left; }
.compare thead th { font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.9rem; color: var(--muted); }
.compare .no { color: #c0552f; }
.compare .yes { color: var(--ok); font-weight: 600; }

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}