/* =========================================================
   byteretter.de — Design Tokens
   Konzept: "Diagnose → Rettung". Der Name Byteretter spielt mit
   "Lebensretter" — die Optik zieht sich als Monitor/Diagnose-Motiv
   durch: ein Signal, das von unruhig (Störung) zu ruhig (stabil)
   wechselt. Terminal-Kommentare als Struktur-Label statt Deko.
   ========================================================= */

:root {
  /* Farben */
  --bg: #12151a;
  --bg-elevated: #1b1f27;
  --bg-elevated-2: #20252f;
  --border: #2a2f3a;
  --text: #e8eaed;
  --text-muted: #9198a8;
  --text-faint: #5b6270;

  --accent-rescue: #ff7a3d; /* Alarm / Vorher */
  --accent-rescue-dim: #7a4326;
  --accent-stable: #3ed9b0; /* Stabil / Nachher */
  --accent-stable-dim: #235c50;

  /* Typografie */
  --font-display: "JetBrains Mono", "Fira Code", ui-monospace, monospace;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Layout */
  --max-width: 1120px;
  --radius: 6px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* --- Terminal-Label: Struktur-Element statt Deko --- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: var(--accent-stable);
  margin-bottom: var(--space-2);
}
.eyebrow::before { content: "//"; color: var(--text-faint); }

/* --- Status-Leiste oben --- */
.statusbar {
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-display);
  font-size: 0.72rem;
  color: var(--text-faint);
  letter-spacing: 0.03em;
}
.statusbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.4rem;
  padding-bottom: 0.4rem;
}
.statusbar .dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-stable);
  margin-right: 0.5em;
  box-shadow: 0 0 6px var(--accent-stable);
}

/* --- Header --- */
header.site {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(18, 21, 26, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
header.site .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--text);
  white-space: nowrap;
}
.logo .cursor {
  display: inline-block;
  width: 0.55em;
  background: var(--accent-rescue);
  margin-left: 2px;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

nav.primary {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}
nav.primary a {
  text-decoration: none;
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: color 0.15s ease;
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
}
nav.primary a:hover,
nav.primary a:focus-visible {
  color: var(--text);
}
nav.primary a.active {
  color: var(--accent-stable);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 0.4rem 0.6rem;
  font-family: var(--font-display);
}

@media (max-width: 760px) {
  nav.primary {
    position: fixed;
    inset: 56px 0 auto 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-3);
    gap: var(--space-2);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.18s ease, opacity 0.18s ease;
  }
  nav.primary.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-toggle { display: inline-block; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-display);
  font-size: 0.9rem;
  text-decoration: none;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--accent-stable);
  color: #06231c;
  font-weight: 700;
}
.btn-primary:hover { background: #4fe6bd; }
.btn-ghost {
  border-color: var(--border);
  color: var(--text);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--accent-stable); }

/* --- Hero / Diagnose-Signal --- */
.hero {
  padding: var(--space-6) 0 var(--space-5);
  border-bottom: 1px solid var(--border);
}
.hero .grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-5);
  align-items: center;
}
@media (max-width: 900px) {
  .hero .grid { grid-template-columns: 1fr; }
}
h1.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  line-height: 1.15;
  margin: 0 0 var(--space-3);
}
h1.hero-title .strike {
  color: var(--accent-rescue);
  text-decoration: line-through;
  text-decoration-color: var(--accent-rescue-dim);
}
h1.hero-title .fixed { color: var(--accent-stable); }
.hero p.lead {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 46ch;
  margin-bottom: var(--space-4);
}
.hero .cta-row { display: flex; gap: var(--space-2); flex-wrap: wrap; }

/* Signal-Monitor Grafik */
.monitor {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: var(--space-3);
}
.monitor .monitor-head {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-display);
  font-size: 0.72rem;
  color: var(--text-faint);
  margin-bottom: var(--space-2);
}
.monitor svg { width: 100%; height: auto; display: block; }

/* --- Sections --- */
section { padding: var(--space-5) 0; }
section.alt { background: var(--bg-elevated); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
h2.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  margin: 0 0 var(--space-4);
  max-width: 60ch;
}
.section-intro { color: var(--text-muted); max-width: 60ch; margin-top: -1.5rem; margin-bottom: var(--space-4); }

/* --- Card-Grid --- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }
@media (max-width: 900px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }
@media (max-width: 1000px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-3);
}
/* Letzte, unvollständige Kartenreihe zentriert statt linksbündig */
.cards-center {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-3);
}
.cards-center .card {
  flex: 0 1 calc((100% - 2 * var(--space-3)) / 3);
}
@media (max-width: 900px) {
  .cards-center .card { flex-basis: 100%; }
}
.card .tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  color: var(--accent-rescue);
  border: 1px solid var(--accent-rescue-dim);
  border-radius: 999px;
  padding: 0.15em 0.7em;
  margin-bottom: var(--space-2);
}
.card h3 { margin: 0 0 var(--space-1); font-size: 1.15rem; }
.card p { color: var(--text-muted); margin: 0; }

/* --- Log-Liste (Referenzen/Leistungen Detail) --- */
.log {
  border-left: 2px solid var(--border);
  padding-left: var(--space-3);
}
.log-entry {
  position: relative;
  padding-bottom: var(--space-4);
}
.log-entry:last-child { padding-bottom: 0; }
.log-entry::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--space-3) - 5px);
  top: 0.35em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-stable);
  box-shadow: 0 0 0 3px var(--bg);
}
.log-entry .status {
  font-family: var(--font-display);
  font-size: 0.72rem;
  color: var(--accent-stable);
  display: block;
  margin-bottom: 0.3em;
}
.log-entry h3 { margin: 0 0 0.3em; }
.log-entry p { color: var(--text-muted); margin: 0; }

/* --- Team / Portrait-Karten --- */
.person {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}
.person .avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-rescue-dim), var(--accent-stable-dim));
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text);
}
.person h3 { margin: 0 0 0.2em; }
.person .role { color: var(--accent-stable); font-family: var(--font-display); font-size: 0.8rem; margin-bottom: 0.5em; }
.person p.bio { color: var(--text-muted); margin: 0; }

/* --- Tabelle (Preise/Leistungen) --- */
table.pricing {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
table.pricing th, table.pricing td {
  text-align: left;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--border);
}
table.pricing th { font-family: var(--font-display); color: var(--text-faint); font-weight: 500; font-size: 0.78rem; }

/* --- Formular (Kontakt) --- */
form.contact { display: grid; gap: var(--space-2); max-width: 560px; }
form.contact label {
  font-family: var(--font-display);
  font-size: 0.78rem;
  color: var(--text-faint);
  display: block;
  margin-bottom: 0.4em;
}
form.contact input,
form.contact textarea {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 0.75rem 0.9rem;
  font-family: var(--font-body);
  font-size: 1rem;
}
form.contact input:focus,
form.contact textarea:focus {
  outline: 2px solid var(--accent-stable);
  outline-offset: 1px;
}
form.contact textarea { min-height: 140px; resize: vertical; }

.contact-info { display: grid; gap: var(--space-2); }
.contact-info .item { display: flex; gap: 0.8em; align-items: baseline; }
.contact-info .item .k { font-family: var(--font-display); color: var(--text-faint); font-size: 0.8rem; width: 6rem; flex-shrink: 0; }

/* --- Footer --- */
footer.site {
  border-top: 1px solid var(--border);
  padding: var(--space-4) 0;
  color: var(--text-faint);
  font-size: 0.85rem;
}
footer.site .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
}
footer.site a { color: var(--text-muted); text-decoration: none; }
footer.site a:hover { color: var(--accent-stable); }

/* --- Reveal-on-scroll (dezent, respektiert reduced-motion via Media Query oben) --- */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* Puls-Animation für die "stabile" Signalhälfte im Hero-Monitor */
.pulse-line {
  stroke-dasharray: 6 6;
  animation: pulse-flow 3.5s linear infinite;
}
@keyframes pulse-flow {
  to { stroke-dashoffset: -120; }
}

/* Sichtbarer Fokus überall */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent-stable);
  outline-offset: 2px;
}

/* Kicker für Seiten-Header auf Unterseiten */
.page-head { padding: var(--space-5) 0 var(--space-4); border-bottom: 1px solid var(--border); }
.page-head h1 { font-family: var(--font-display); font-size: clamp(1.8rem, 3.6vw, 2.6rem); margin: 0 0 var(--space-2); }
.page-head p { color: var(--text-muted); max-width: 60ch; margin: 0; }