/* ==========================================================
   Tobias Franz IT Service – Stylesheet
   Keine externen Schriften/Ressourcen (DSGVO-freundlich)
   ========================================================== */

:root {
  --blue-900: #0b2545;
  --blue-700: #13459c;
  --blue-600: #1a56db;
  --blue-100: #e6eefc;
  --blue-50:  #f3f7fe;
  --ink:      #16202e;
  --muted:    #5a6576;
  --line:     #e3e8ef;
  --bg:       #ffffff;
  --bg-soft:  #f7f9fc;
  --radius:   14px;
  --shadow:   0 1px 2px rgba(16, 32, 64, .06), 0 8px 24px rgba(16, 32, 64, .06);
  --max:      1120px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--blue-600); }
a:hover { color: var(--blue-700); }

h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; color: var(--blue-900); }
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -.015em; }
h3 { font-size: 1.2rem; }
p  { margin: 0 0 1em; }

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

.skip-link {
  position: absolute; left: -999px; top: 8px;
  background: var(--blue-900); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100;
}
.skip-link:focus { left: 8px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  height: 68px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--blue-900); font-weight: 700; line-height: 1.15;
}
.brand-mark {
  width: 38px; height: 38px; border-radius: 10px; flex: none;
  background: var(--blue-600); color: #fff;
  display: grid; place-items: center; font-size: .95rem; font-weight: 800; letter-spacing: .02em;
}
.brand small { display: block; font-weight: 500; color: var(--muted); font-size: .78rem; }

.nav { display: flex; align-items: center; gap: 26px; }
.nav a { text-decoration: none; color: var(--ink); font-weight: 500; font-size: .95rem; }
.nav a:hover { color: var(--blue-600); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px;
  font-weight: 600; font-size: 1rem; text-decoration: none;
  border: 2px solid transparent; transition: background .15s, color .15s, border-color .15s;
}
.btn-primary { background: var(--blue-600); color: #fff; }
.btn-primary:hover { background: var(--blue-700); color: #fff; }
.btn-ghost { border-color: var(--line); color: var(--blue-900); background: #fff; }
.btn-ghost:hover { border-color: var(--blue-600); color: var(--blue-600); }
.btn-sm { padding: 8px 16px; font-size: .92rem; }
.nav .btn-primary { color: #fff; }
.btn svg { width: 18px; height: 18px; }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(900px 400px at 85% -10%, var(--blue-100), transparent 70%),
    linear-gradient(180deg, var(--blue-50), #fff);
  padding: 88px 0 96px;
}
.hero .container { display: grid; grid-template-columns: 1.25fr .75fr; gap: 56px; align-items: center; }
.eyebrow {
  display: inline-block; font-size: .85rem; font-weight: 600; color: var(--blue-700);
  background: #fff; border: 1px solid var(--blue-100); border-radius: 999px; padding: 4px 14px; margin-bottom: 18px;
}
.lead { font-size: 1.18rem; color: var(--muted); max-width: 38em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.hero-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 28px;
}
.hero-card ul { list-style: none; margin: 0; padding: 0; }
.hero-card li { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.hero-card li:last-child { border-bottom: 0; }
.check {
  flex: none; width: 24px; height: 24px; border-radius: 50%;
  background: var(--blue-100); color: var(--blue-600); display: grid; place-items: center; margin-top: 2px;
}
.check svg { width: 14px; height: 14px; }

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section-soft { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 680px; margin-bottom: 48px; }
.section-head p { color: var(--muted); font-size: 1.08rem; }

/* Leistungen */
.services { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 1080px) { .services { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .services { grid-template-columns: 1fr; } }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
}
.card .icon {
  width: 48px; height: 48px; border-radius: 12px; background: var(--blue-100); color: var(--blue-600);
  display: grid; place-items: center; margin-bottom: 18px;
}
.card .icon svg { width: 26px; height: 26px; }
.card p { color: var(--muted); }
.card ul { margin: 0; padding-left: 1.1em; color: var(--ink); }
.card li { margin: 4px 0; }
.card-feature { border-color: var(--blue-600); box-shadow: 0 0 0 1px var(--blue-600), var(--shadow); }

/* Ablauf */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
@media (max-width: 1080px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .steps { grid-template-columns: 1fr; } }
.step { position: relative; padding: 28px 24px 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.step::before {
  counter-increment: step; content: counter(step);
  display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
  background: var(--blue-600); color: #fff; font-weight: 700; margin-bottom: 14px;
}
.step p { color: var(--muted); margin: 0; }

/* Über mich */
.about { display: grid; grid-template-columns: 340px 1fr; gap: 56px; align-items: center; }
.portrait {
  aspect-ratio: 4 / 5; width: 100%; object-fit: cover;
  border-radius: var(--radius); box-shadow: var(--shadow); background: var(--blue-100);
}
.facts { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; padding: 0; list-style: none; }
.facts li {
  background: var(--blue-50); border: 1px solid var(--blue-100); color: var(--blue-900);
  border-radius: 999px; padding: 6px 14px; font-size: .92rem; font-weight: 500;
}

/* Kontakt */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li { display: flex; gap: 16px; align-items: flex-start; padding: 18px 0; border-bottom: 1px solid var(--line); }
.contact-list li:last-child { border-bottom: 0; }
.contact-list .icon {
  flex: none; width: 44px; height: 44px; border-radius: 12px; background: var(--blue-100); color: var(--blue-600);
  display: grid; place-items: center;
}
.contact-list .icon svg { width: 22px; height: 22px; }
.contact-list strong { display: block; color: var(--blue-900); }
.contact-list a { font-weight: 600; text-decoration: none; }
.contact-cta {
  background: var(--blue-900); color: #dbe6fb; border-radius: var(--radius); padding: 36px;
  display: flex; flex-direction: column; justify-content: center;
}
.contact-cta h3 { color: #fff; font-size: 1.5rem; }
.contact-cta .btn-primary { background: #fff; color: var(--blue-900); align-self: flex-start; margin-top: 8px; }
.contact-cta .btn-primary:hover { background: var(--blue-100); }
.note { font-size: .9rem; color: var(--muted); }
.contact-cta .note { color: #a9bbdc; margin-top: 18px; margin-bottom: 0; }

/* ---------- Footer ---------- */
.site-footer { background: var(--blue-900); color: #a9bbdc; padding: 36px 0; font-size: .92rem; }
.site-footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.site-footer a { color: #fff; text-decoration: none; margin-left: 20px; }
.site-footer a:first-child { margin-left: 0; }
.site-footer a:hover { text-decoration: underline; }

/* ---------- Rechtstexte ---------- */
.legal { padding: 64px 0 96px; }
.legal .container { max-width: 820px; }
.legal h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); }
.legal h2 { font-size: 1.45rem; margin-top: 2.2em; padding-top: 1em; border-top: 1px solid var(--line); }
.legal h3 { font-size: 1.1rem; margin-top: 1.6em; }
.legal address { font-style: normal; margin-bottom: 1em; }
.legal ul { padding-left: 1.2em; }
.legal li { margin: 4px 0; }
.toc {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 24px; margin: 24px 0 8px;
}
.toc a { font-weight: 600; text-decoration: none; margin-right: 20px; }
.back { display: inline-block; margin-bottom: 24px; text-decoration: none; font-weight: 600; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero .container, .about, .contact { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 64px; }
  .about { gap: 32px; }
  .portrait { max-width: 300px; }
  .section { padding: 72px 0; }
}
@media (max-width: 720px) {
  .nav a:not(.btn) { display: none; }
  .brand small { display: none; }
  .contact-cta { padding: 28px; }
  .site-footer a { margin-left: 0; margin-right: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}