/* ============================================================
   FensterLex – shared.css  (v2 · responsiv)
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=DM+Mono:wght@300;400;500&family=Crimson+Pro:ital,wght@0,300;0,400;0,600;1,300;1,400&display=swap');

/* ── CSS-Variablen ── */
:root {
  /* ── Hintergründe (aus styles.css) ── */
  --bg:            #0d0f11;
  --bg-surface:    #141618;
  --bg-card:       #1a1d20;

  /* ── Rahmen ── */
  --border:        #2a2e33;
  --border-strong: #363b41;

  /* ── Text ── */
  --text:          #e4e2dc;
  --text-muted:    #8a8880;
  --text-dim:      #555a60;

  /* ── Akzentfarbe: FensterLex Amber ── */
  --accent:        #c8963b;
  --accent-light:  #e6b465;
  --accent-dim:    rgba(200,150,59,0.12);
  --accent-border: rgba(200,150,59,0.3);

  /* ── Statusfarben ── */
  --warn:          #d97b4a;
  --warn-bg:       rgba(217,123,74,0.10);
  --info:          #5a9ab5;
  --info-bg:       rgba(90,154,181,0.10);
  --success:       #4caf6e;
  --success-bg:    rgba(76,175,110,0.10);
  --danger:        #c25a5a;
  --danger-bg:     rgba(194,90,90,0.10);

  /* ── Kategorie-Farben ── */
  --cat-fenster:       #c8963b;
  --cat-tueren:        #5a9e7a;
  --cat-sonnenschutz:  #e09050;
  --cat-materialien:   #5a90c8;
  --cat-normen:        #9b7fd4;

  /* ── Skalenwerte (für Rechner & Karten) ── */
  --good:      #4caf6e;
  --ok:        #d4a843;
  --bad:       #e05454;
  --excellent: #4fa8d4;

  /* ── Typografie & Sonstiges ── */
  --radius:        4px;
  --radius-lg:     8px;
  --font-head:     'Playfair Display', Georgia, serif;
  --font-body:     'Crimson Pro', Georgia, serif;
  --font-mono:     'DM Mono', monospace;
  --shadow:        0 4px 24px rgba(0,0,0,0.4);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
a { color: inherit; text-decoration: none; }
a:hover { color: inherit; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }
::selection { background: rgba(200,150,59,0.25); color: var(--text); }

/* ================================================================
   NAVIGATION
   ================================================================ */
.nav {
  border-bottom: 1px solid var(--border);
  background: rgba(15,15,14,0.95);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  height: 54px;
  gap: 1.5rem;
  position: relative;
}
.nav-logo {
  font-family: var(--font-head);
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}
.nav-logo em { font-style: italic; color: var(--accent); }
.nav-logo:hover .logo-window { opacity: 0.8; }

/* ── Fenster-Icon (CSS only) ── */
.logo-window {
  position: relative;
  display: inline-block;
  width: 16px;
  height: 20px;
  border: 2px solid var(--accent);
  border-radius: 2px;
  flex-shrink: 0;
  margin-right: 8px;
  transform: skewX(-12deg);
  transition: opacity 0.2s;
}
.logo-window::before {
  content: '';
  position: absolute;
  top: 50%; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: translateY(-50%);
}
.logo-window::after {
  content: '';
  position: absolute;
  left: 50%; top: 0; bottom: 0;
  width: 2px;
  background: var(--accent);
  transform: translateX(-50%);
}

.nav-links {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  margin-left: auto;
  align-items: center;
}
.nav-link {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-decoration: none;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius);
  transition: color 0.2s, background 0.2s;
}
a.nav-link:hover { color: var(--text); background: rgba(255,255,255,0.05); }
a.nav-link.active { color: var(--accent); background: var(--accent-dim); }

.nav-soon {
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0.35;
  cursor: default;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
}
.nav-soon em {
  font-style: normal;
  font-size: 9px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  color: var(--text-dim);
  padding: 1px 5px;
  border-radius: 2px;
}

/* Hamburger (injected or static) */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
  flex-shrink: 0;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-muted);
  transition: transform 0.3s, opacity 0.3s, background 0.2s;
  border-radius: 2px;
}
.nav-hamburger:hover span { background: var(--text); }
.nav-hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ================================================================
   BREADCRUMB
   ================================================================ */
.breadcrumb {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem 2rem 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-muted); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: var(--text-dim); }

/* ================================================================
   TAGS
   ================================================================ */
.tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  background: var(--accent-dim);
  color: var(--accent);
  padding: 3px 10px;
  border-radius: 2px;
  text-transform: uppercase;
}

/* ================================================================
   CARDS
   ================================================================ */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.card-img { aspect-ratio: 16/9; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; display: block; filter: brightness(0.75); transition: filter 0.3s; }
.card:hover .card-img img { filter: brightness(0.9); }
.card-body { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }
.card-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 0.75rem; }
.card-tag { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.08em; text-transform: uppercase; background: var(--accent-dim); color: var(--accent); padding: 2px 8px; border-radius: 2px; }
.card-title { font-family: var(--font-head); font-size: 1.15rem; font-weight: 700; color: var(--text); margin-bottom: 0.5rem; line-height: 1.3; }
.card-excerpt { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; flex: 1; }
.card-footer { margin-top: 1rem; padding-top: 0.75rem; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.card-cat { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.06em; color: var(--text-dim); text-transform: uppercase; }
.card-arrow { font-family: var(--font-mono); font-size: 11px; color: var(--accent); }

/* ================================================================
   SECTIONS
   ================================================================ */
.section { max-width: 1100px; margin: 0 auto; padding: 3.5rem 2rem; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border); gap: 1rem; flex-wrap: wrap; }
.section-title { font-family: var(--font-head); font-size: 1.5rem; font-weight: 700; color: var(--text); }
.section-more { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); text-decoration: none; white-space: nowrap; }
.section-more:hover { text-decoration: underline; }

/* ================================================================
   INFOBOXEN
   ================================================================ */
.infobox { border-radius: var(--radius); padding: 1.1rem 1.25rem; margin: 1.75rem 0; border-left: 3px solid; }
.infobox.warn    { background: var(--warn-bg);    border-color: var(--warn); }
.infobox.info    { background: var(--info-bg);    border-color: var(--info); }
.infobox.success { background: var(--success-bg); border-color: var(--success); }
.infobox.danger  { background: var(--danger-bg);  border-color: var(--danger); }
.infobox-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 500; display: block; margin-bottom: 0.4rem; }
.infobox.warn    .infobox-label { color: var(--warn); }
.infobox.info    .infobox-label { color: var(--info); }
.infobox.success .infobox-label { color: var(--success); }
.infobox.danger  .infobox-label { color: var(--danger); }
.infobox p { margin: 0; font-size: 0.95rem; color: var(--text); }
.infobox p + p { margin-top: 0.5rem; }

/* ================================================================
   NORM-REFERENZ
   ================================================================ */
.norm-ref { background: var(--bg-card); border: 1px solid var(--border-strong); border-radius: var(--radius); padding: 1rem 1.25rem; margin: 0.75rem 0; display: flex; gap: 1.25rem; align-items: flex-start; flex-wrap: wrap; }
.norm-badge { font-family: var(--font-mono); font-size: 11px; background: var(--accent-dim); color: var(--accent); padding: 4px 10px; border-radius: 2px; white-space: nowrap; letter-spacing: 0.05em; margin-top: 2px; flex-shrink: 0; }
.norm-ref p { font-size: 0.9rem; margin: 0; color: var(--text-muted); flex: 1; }
.norm-ref strong { color: var(--text); font-weight: 600; display: block; margin-bottom: 2px; }

/* ================================================================
   DIVIDER
   ================================================================ */
.divider { border: none; border-top: 1px solid var(--border); margin: 2.5rem 0; }

/* ================================================================
   FOOTER
   ================================================================ */
.footer { background: var(--bg-surface); border-top: 1px solid var(--border); padding: 2rem; margin-top: auto; }
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-logo { font-family: var(--font-head); font-size: 1rem; letter-spacing: -0.01em; color: var(--text-muted); text-decoration: none; display: flex; align-items: center; gap: 0; }
.footer-logo .logo-window { width: 14px; height: 17px; margin-right: 7px; border-color: var(--accent); }
.footer-logo .logo-window::before { background: var(--accent); }
.footer-logo .logo-window::after  { background: var(--accent); }
.footer-logo em { font-style: italic; color: var(--accent); }
.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-links a { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; color: var(--text-muted); text-decoration: none; text-transform: uppercase; transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }
.footer-links a.active { color: var(--accent); }
.footer-copy { width: 100%; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.06em; color: var(--text-dim); text-align: center; margin-top: 0.75rem; }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 768px) {
  /* Hamburger anzeigen */
  .nav-hamburger { display: flex; }

  /* Nav-Links als Dropdown */
  .nav-links {
    display: none;
    position: absolute;
    top: 54px;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1rem;
    flex-direction: column;
    gap: 0.15rem;
    z-index: 99;
    margin-left: 0;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-link,
  .nav-soon {
    display: block;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius);
    width: 100%;
  }

  /* Breadcrumb */
  .breadcrumb { padding: 1rem 1rem 0; }

  /* Section */
  .section { padding: 2.5rem 1rem; }

  /* Footer */
  .footer { padding: 1.75rem 1rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .footer-copy { text-align: left; }

  /* Cards */
  .cards { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .nav-inner { padding: 0 1rem; }
  .norm-ref { flex-direction: column; gap: 0.5rem; }
}

/* ── Kaufmännisches Und ── */
.amp {
  font-family: var(--font-mono);
  font-size: 0.82em;
  font-style: normal;
  letter-spacing: 0;
  opacity: 0.7;
  vertical-align: baseline;
}