/* =====================================================================
   ideenreich-online.de – Stylesheet (helles Design, Logo-Farben)
   ---------------------------------------------------------------------
   FARBEN:
   Abgestimmt auf das Firmenlogo (blau auf weiß).
   --accent        = Dunkelblau des Logos  (#044f9a)
   --accent-bright = Hellblau des Logos     (#018ce4)
   Alle Farben werden hier zentral gesteuert.
   ===================================================================== */

:root {
  /* --- Logo-Farben --- */
  --accent:        #044f9a;   /* Logo-Dunkelblau: Links, Buttons, Überschriften-Akzent */
  --accent-bright: #018ce4;   /* Logo-Hellblau: Hover, Highlights, Verläufe */
  --accent-soft:   #e8f1fb;   /* sehr helles Blau für Flächen */

  /* --- Hintergründe (hell/clean) --- */
  --bg:            #f6f9fc;   /* Seitenhintergrund */
  --bg-elevated:   #ffffff;   /* Karten, Header */
  --bg-inset:      #0b2038;   /* Terminal-/Code-Flächen (dunkel für Kontrast) */
  --border:        #d8e3ef;   /* Trennlinien, Rahmen */

  /* --- Text --- */
  --text:          #10233a;   /* Haupttext (dunkles Navy) */
  --text-muted:    #5b6b7d;   /* Sekundärtext */

  /* --- Schrift --- */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", "Fira Code", ui-monospace, Menlo, Consolas, monospace;

  --maxw: 960px;
  --radius: 10px;
}

/* =====================================================================
   Reset & Basis
   ===================================================================== */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 17px;
  /* dezentes technisches Raster im Hintergrund */
  background-image:
    linear-gradient(rgba(4,79,154,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(4,79,154,0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  background-position: center top;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-bright); text-decoration: underline; }

h1, h2, h3 { line-height: 1.25; font-weight: 700; color: var(--text); }
h1 { font-size: 2.1rem; margin: 0 0 .4em; }
h2 { font-size: 1.5rem; margin: 2em 0 .6em; }
h3 { font-size: 1.15rem; margin: 1.6em 0 .4em; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Monospace-„Label" für den technischen Look */
.mono-label {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-bright);
  font-weight: 600;
}
.mono-label::before { content: "// "; opacity: .7; }

/* =====================================================================
   Header / Navigation
   ===================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--maxw); margin: 0 auto; padding: 12px 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand:hover { text-decoration: none; }
.brand img { height: 74px; width: auto; display: block; }

.nav-links { display: flex; gap: 6px; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.nav-links a {
  color: var(--text-muted); padding: 7px 12px; border-radius: 6px;
  font-size: .95rem; font-family: var(--font-mono);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--accent); background: var(--accent-soft); text-decoration: none;
}

/* =====================================================================
   Hero
   ===================================================================== */
.hero {
  padding: 84px 0 60px;
  border-bottom: 1px solid var(--border);
  position: relative;
  background:
    radial-gradient(1200px 400px at 70% -20%, rgba(1,140,228,0.08), transparent 60%);
}
.hero .container { max-width: 780px; }
.hero h1 { font-size: 2.7rem; }
.hero h1 .accent { color: var(--accent); }
.hero .lead { font-size: 1.25rem; color: var(--text-muted); margin: .6em 0 1.6em; }

/* =====================================================================
   Buttons
   ===================================================================== */
.btn {
  display: inline-block; font-family: var(--font-mono); font-size: .95rem;
  padding: 12px 22px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--accent); transition: all .15s ease;
}
.btn-primary { background: var(--accent); color: #ffffff; font-weight: 700; }
.btn-primary:hover { background: var(--accent-bright); border-color: var(--accent-bright); text-decoration: none; color: #ffffff; }
.btn-ghost { background: transparent; color: var(--accent); margin-left: 10px; }
.btn-ghost:hover { background: var(--accent-soft); text-decoration: none; }

/* =====================================================================
   Sektionen & Karten
   ===================================================================== */
section { padding: 20px 0; }
.section-pad { padding: 56px 0; border-bottom: 1px solid var(--border); }

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 1px 3px rgba(16,35,58,0.04);
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.card:hover { border-color: var(--accent-bright); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(4,79,154,0.10); }
.card h3 { margin-top: 0; }
.card .icon {
  font-family: var(--font-mono); color: var(--accent-bright);
  font-size: .85rem; margin-bottom: 8px; display: block; font-weight: 600;
}

/* Terminal-Block als Technik-Deko (dunkel auf hell) */
.terminal {
  background: var(--bg-inset);
  border: 1px solid #0b2038;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: .9rem;
  overflow: hidden;
  margin: 24px 0;
  box-shadow: 0 10px 30px rgba(4,79,154,0.15);
}
.terminal-bar {
  display: flex; gap: 7px; padding: 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.08); background: #0a1a2e;
}
.terminal-bar span { width: 11px; height: 11px; border-radius: 50%; background: #3a4a5e; }
.terminal-bar span:nth-child(1) { background: #ff5f56; }
.terminal-bar span:nth-child(2) { background: #ffbd2e; }
.terminal-bar span:nth-child(3) { background: #27c93f; }
.terminal-body { padding: 18px 20px; color: #e6edf3; white-space: pre-wrap; }
.terminal-body .prompt { color: var(--accent-bright); }
.terminal-body .comment { color: #7d90a5; }

/* Skill-/Tag-Liste */
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; padding: 0; list-style: none; }
.tags li {
  font-family: var(--font-mono); font-size: .82rem;
  border: 1px solid var(--border); color: var(--text-muted);
  padding: 5px 11px; border-radius: 20px; background: var(--bg-elevated);
}
.tags li.hot { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); font-weight: 600; }

ul.checklist { list-style: none; padding: 0; }
ul.checklist li { padding: 6px 0 6px 28px; position: relative; }
ul.checklist li::before {
  content: "▸"; color: var(--accent-bright); position: absolute; left: 4px; font-weight: 700;
}

/* =====================================================================
   Kontakt
   ===================================================================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-item { display: flex; gap: 12px; align-items: baseline; }
.contact-item .k { font-family: var(--font-mono); color: var(--accent-bright); min-width: 78px; font-weight: 600; }

/* =====================================================================
   Rechtstexte
   ===================================================================== */
.legal { padding: 48px 0 72px; }
.legal .container { max-width: 780px; }
.legal h2 { font-size: 1.25rem; }
.legal p, .legal li { color: var(--text); }
.legal .muted { color: var(--text-muted); font-size: .9rem; }
.notice {
  background: var(--accent-soft); border: 1px solid var(--accent-bright);
  border-radius: var(--radius); padding: 14px 18px; margin: 20px 0;
  font-size: .92rem;
}

/* =====================================================================
   Footer
   ===================================================================== */
.site-footer {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  padding: 34px 0;
  margin-top: 40px;
  font-size: .9rem; color: var(--text-muted);
}
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-links a { color: var(--text-muted); }
.footer-links a:hover { color: var(--accent); }

/* =====================================================================
   „Under Redesign"-Banner (diagonal) + deaktivierte Links
   ===================================================================== */
.redesign-banner {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) rotate(-24deg);
  width: 175%;
  padding: 20px 0;
  background: rgba(4, 79, 154, 0.93);
  border-top: 6px solid var(--accent-bright);
  border-bottom: 6px solid var(--accent-bright);
  color: #ffffff;
  text-align: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.8rem, 6vw, 4.5rem);
  letter-spacing: .18em;
  text-transform: uppercase;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .35);
  pointer-events: none;
  z-index: 9999;
}
.redesign-banner small {
  display: block;
  font-size: .28em;
  letter-spacing: .3em;
  opacity: .85;
  margin-top: 6px;
  font-weight: 400;
}

/* deaktivierte Links/Buttons während des Redesigns */
a.disabled,
.btn.disabled {
  pointer-events: none;
  opacity: .4;
  cursor: not-allowed;
}

/* =====================================================================
   Responsive
   ===================================================================== */
@media (max-width: 720px) {
  .hero h1 { font-size: 2rem; }
  .grid-2, .grid-3, .contact-grid { grid-template-columns: 1fr; }
  .nav { flex-direction: column; gap: 10px; align-items: flex-start; }
  .btn-ghost { margin-left: 0; margin-top: 10px; display: inline-block; }
}