/* =====================================================================
   Design-Tokens – zentrale Quelle für die gesamte Website.
   Dieselben Werte werden in tool-theme.css gespiegelt, damit Start-,
   Inhalts-, Rechts- und Werkzeugseiten identisch aussehen.
   ===================================================================== */
:root {
  /* Flächen */
  --bg:          #0d1727;
  --bg-glow:     rgba(112, 181, 211, 0.74);
  --panel:       rgba(57, 67, 82, 0.92);
  --card:        rgba(82, 92, 108, 0.94);
  --card-hover:  rgba(92, 103, 120, 0.98);
  --surface:     rgba(13, 23, 39, 0.55);
  --line:        rgba(216, 229, 244, 0.22);
  --line-strong: rgba(220, 237, 255, 0.56);

  /* Text */
  --text:        #f8fafc;
  --muted:       #d3e0ee;

  /* Akzent (einheitlich für Site + Werkzeuge) */
  --accent:      #9ed6ef;
  --accent-soft: #cfe5ff;
  --accent-ink:  #102033;

  /* Effekte */
  --shadow:      0 26px 70px rgba(0, 0, 0, 0.32);
  --shadow-card: 0 18px 38px rgba(0, 0, 0, 0.18);

  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* Rückwärtskompatibler Alias */
:root { --background: var(--bg); }

* { box-sizing: border-box; }

html { min-height: 100%; background: var(--bg); }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.5;
  background:
    radial-gradient(circle at 0 0, var(--bg-glow), transparent 31%),
    linear-gradient(145deg, #172337 0%, var(--bg) 60%);
}

a { color: inherit; }

.site-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 66px 0;
}

.main-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(42px, 7vw, 78px);
  border: 1px solid var(--line);
  border-radius: 38px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.main-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(125deg, rgba(255,255,255,.08), transparent 34%);
}

.intro,
.detail-header,
.card-grid,
.page-note,
.content-card,
.back-link {
  position: relative;
}

.intro { text-align: center; }

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
}

h1, h2, p { margin-top: 0; }

.intro h1,
.detail-header h1 {
  margin-bottom: 14px;
  font-size: clamp(3.4rem, 9vw, 6rem);
  line-height: .95;
  letter-spacing: -.05em;
}

.subtitle,
.detail-header > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
  max-width: 970px;
  margin: 42px auto 0;
}

.area-card {
  position: relative;
  display: flex;
  min-height: 318px;
  padding: 26px;
  flex-direction: column;
  /* Bindet die Titelgroesse an die Kartenbreite statt an das Fenster */
  container-type: inline-size;
  border: 1px solid rgba(255,255,255,.17);
  border-radius: 30px;
  background: var(--card);
  text-decoration: none;
  box-shadow: 0 18px 38px rgba(0,0,0,.18);
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}

.area-card:hover,
.area-card:focus-visible {
  transform: translateY(-6px);
  border-color: rgba(220, 237, 255, .56);
  background: rgba(92, 103, 120, .98);
  outline: none;
}

.card-visual {
  display: grid;
  min-height: 148px;
  place-items: center;
  border-radius: 20px;
  font-size: 4.4rem;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.4);
}

.visual-news {
  background: linear-gradient(145deg, #dca5dc, #af73b7);
}

.visual-car {
  background: linear-gradient(145deg, #9ed6ef, #5b94b9);
}

.visual-code {
  background: linear-gradient(145deg, #b3e98f, #579d67);
}

.card-text { margin-top: 22px; flex: 1 1 auto; }

.card-text h2 {
  margin-bottom: 8px;
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  line-height: 1.16;
  overflow-wrap: break-word;
  hyphens: auto;
}

.card-text p,
.card-text ul {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.5;
}

.card-text ul {
  padding-left: 1.25rem;
}

.card-text li + li { margin-top: 3px; }

.arrow {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--accent);
  font-size: 1.3rem;
  line-height: 1;
  text-align: right;
  transition: transform .18s ease;
}

.page-note {
  margin: 34px 0 0;
  color: var(--muted);
  text-align: center;
}

.detail-panel { max-width: 920px; margin: 0 auto; }

.detail-header {
  margin-bottom: 34px;
  text-align: center;
}

.detail-header h1 { font-size: clamp(3rem, 8vw, 5rem); }

.detail-icon {
  display: grid;
  width: 126px;
  height: 96px;
  margin: 18px auto 28px;
  place-items: center;
  border-radius: 22px;
  font-size: 3.8rem;
}

.content-card {
  padding: clamp(24px, 5vw, 38px);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 28px;
  background: var(--card);
  box-shadow: 0 18px 38px rgba(0,0,0,.18);
}

.content-card article,
.auto-sections > section {
  padding: 24px;
  border-radius: 20px;
  background: rgba(24, 35, 50, .43);
}

.content-card article + article,
.auto-sections > section + section { margin-top: 18px; }

.content-card h2 { margin-bottom: 8px; font-size: 1.55rem; }
.content-card p { margin-bottom: 0; color: var(--muted); }
.content-card time { display: block; margin-bottom: 6px; color: var(--accent); font-weight: 700; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.stat {
  padding: 18px;
  border-radius: 16px;
  background: rgba(10, 21, 34, .55);
  text-align: center;
}

.stat strong { display: block; font-size: 1.65rem; }
.stat span { color: var(--muted); font-size: .9rem; }

.range-list { display: grid; gap: 14px; margin-top: 22px; }

.range-list > div {
  display: grid;
  grid-template-columns: 78px 1fr 68px;
  align-items: center;
  gap: 12px;
}

.range-list b {
  position: relative;
  overflow: hidden;
  height: 14px;
  border-radius: 999px;
  background: rgba(10, 21, 34, .68);
}

.range-list b::after {
  content: "";
  display: block;
  width: var(--value);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #b7d9ff, #83b4e8);
}

.back-link {
  display: table;
  margin: 30px auto 0;
  color: var(--accent);
  font-weight: 750;
  text-decoration: none;
}

.back-link:hover,
.back-link:focus-visible {
  text-decoration: underline;
  text-underline-offset: 5px;
}

@media (max-width: 760px) {
  .site-shell { padding: 24px 0; }
  .main-panel { padding: 32px 20px; border-radius: 28px; }
  .card-grid { grid-template-columns: 1fr; }
  .area-card { min-height: 300px; }
  .stat-grid { grid-template-columns: 1fr; }
}


/* Gemeinsame Erweiterungen für konsistente Übersichtsseiten */
.home-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: none;
}

.home-grid .area-card { min-height: 318px; }

.section-block {
  position: relative;
  margin-top: 28px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin: 0 0 14px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.section-heading p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  text-align: right;
}

.version-badge {
  position: relative;
  display: table;
  margin: 0 auto 20px;
  padding: 8px 13px;
  border: 1px solid rgba(207, 229, 255, .3);
  border-radius: 999px;
  background: rgba(12, 24, 39, .45);
  color: var(--accent);
  font-size: .84rem;
  font-weight: 800;
  letter-spacing: .02em;
}

.directory-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.directory-card {
  position: relative;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  min-height: 150px;
  padding: 22px 24px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 24px;
  background: var(--card);
  box-shadow: 0 15px 32px rgba(0,0,0,.16);
  color: var(--text);
  text-decoration: none;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}

.directory-card:hover,
.directory-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(220, 237, 255, .56);
  background: rgba(92, 103, 120, .98);
  outline: none;
}

.directory-card.primary {
  border-color: rgba(158, 214, 239, .45);
  background: linear-gradient(145deg, rgba(75, 107, 133, .98), rgba(69, 82, 101, .96));
}

.directory-icon {
  display: grid;
  width: 72px;
  height: 72px;
  place-items: center;
  border-radius: 20px;
  background: linear-gradient(145deg, #9ed6ef, #5b94b9);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.42);
  font-size: 2rem;
}

.directory-icon.ranking { background: linear-gradient(145deg, #dca5dc, #9c68ad); }
.directory-icon.electric { background: linear-gradient(145deg, #b3e98f, #579d67); }
.directory-icon.range { background: linear-gradient(145deg, #f2cb8d, #c48645); }
.directory-icon.calc { background: linear-gradient(145deg, #b9b1f2, #6d63b8); }

.directory-copy h3 {
  margin: 0 0 6px;
  font-size: 1.25rem;
  line-height: 1.15;
}

.directory-copy p {
  margin: 0;
  color: var(--muted);
  font-size: .98rem;
}

.directory-arrow {
  color: var(--accent);
  font-size: 1.35rem;
}

@media (max-width: 980px) {
  .home-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .home-grid,
  .directory-grid { grid-template-columns: 1fr; }
  .section-heading { display: block; }
  .section-heading p { margin-top: 6px; text-align: left; }
  .directory-card { grid-template-columns: 60px minmax(0, 1fr) auto; padding: 18px; }
  .directory-icon { width: 60px; height: 60px; border-radius: 17px; font-size: 1.65rem; }
}

@media (max-width: 460px) {
  .directory-card { grid-template-columns: 52px minmax(0, 1fr); }
  .directory-icon { width: 52px; height: 52px; }
  .directory-arrow { display: none; }
}

@media (max-width: 760px) {
  .directory-card { align-items: start; }
}


/* Rechtliche Seiten, Quellen und gemeinsamer Footer */
.site-footer {
  position: relative;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(216,229,244,.2);
  color: var(--muted);
  font-size: .92rem;
}
.site-footer a { text-decoration: none; }
.site-footer a:hover, .site-footer a:focus-visible, .text-link:hover, .text-link:focus-visible { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.text-link { color: var(--accent); }
.compact-header h1 { font-size: clamp(2.8rem, 8vw, 4.8rem); }
.legal-content { display: grid; gap: 18px; }
.legal-content article { margin: 0 !important; }
.legal-content h2 { color: var(--text); }
.legal-content p + p { margin-top: 12px; }
.legal-content address { color: var(--muted); font-style: normal; line-height: 1.75; }
.legal-note { margin-top: 12px !important; font-size: .93rem; }
.publication-warning {
  position: relative;
  margin-bottom: 22px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 205, 113, .58);
  border-radius: 18px;
  background: rgba(99, 67, 22, .5);
  color: #fff2cb;
}
.source-links { display: grid; gap: 10px; margin: 18px 0 4px; }
.source-links a {
  display: grid;
  gap: 3px;
  padding: 15px 17px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 16px;
  background: rgba(13,23,39,.44);
  text-decoration: none;
}
.source-links a:hover, .source-links a:focus-visible { border-color: rgba(207,229,255,.55); background: rgba(82,92,108,.7); outline: none; }
.source-links span { color: var(--muted); font-size: .93rem; }
code { overflow-wrap: anywhere; }


/* =====================================================================
   Startseite / Hero, Buttons, Inhaltsblock & Lightbox
   (zusammengeführt aus der früheren style.css – jetzt im dunklen
   Glas-Design der übrigen Seiten)
   ===================================================================== */

/* Zentrierte Hero-Karte der Startseite */
.hero-shell {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
}

.hero-panel {
  width: min(720px, 100%);
  padding: clamp(40px, 6vw, 64px);
  text-align: center;
  border: 1px solid var(--line);
  border-radius: var(--radius, 34px);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-panel h1 {
  margin: 0 0 14px;
  font-size: clamp(3rem, 8vw, 4.6rem);
  line-height: 1;
  letter-spacing: -.04em;
}

.hero-panel .subtitle {
  margin: 0 auto;
  max-width: 520px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
}

/* Button-Gruppe + Buttons (einheitlicher Akzent) */
.buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 168px;
  padding: 15px 28px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 750;
  text-decoration: none;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-3px);
  outline: none;
}

.button.primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 14px 34px rgba(158, 214, 239, .28);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: #b7e2f4;
}

.button.secondary {
  border-color: var(--line);
  background: var(--surface);
  color: var(--text);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  border-color: var(--line-strong);
  background: var(--card-hover);
}

/* Optionaler Inhaltsblock + Zurück-Link auf einfachen Seiten */
.content {
  max-width: 520px;
  margin: 32px auto 26px;
  padding: 24px;
  border-radius: 20px;
  background: var(--surface);
}

.content h2 { margin-top: 0; }

.back {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.back:hover,
.back:focus-visible { text-decoration: underline; text-underline-offset: 4px; }

/* Bild-Lightbox */
.photo {
  display: block;
  width: 70%;
  max-width: 320px;
  margin: 14px auto 0;
  border-radius: 18px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, .32);
  cursor: zoom-in;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: none;
  place-items: center;
  padding: 24px;
  background: rgba(0, 0, 0, .82);
}

.lightbox.show { display: grid; }

.lightbox img {
  width: min(1600px, 95vw);
  max-height: 90vh;
  border-radius: 18px;
  object-fit: contain;
  box-shadow: 0 24px 80px rgba(0, 0, 0, .55);
}

.lightbox .close {
  position: fixed;
  top: 18px;
  right: 28px;
  color: #fff;
  font-size: 44px;
  font-weight: 700;
  cursor: pointer;
}

@media (max-width: 520px) {
  .hero-panel { padding: 34px 22px; }
  .button { width: 100%; }
}

/* Titelgroesse an die Kartenbreite koppeln (moderne Browser) */
@supports (container-type: inline-size) {
  .card-text h2 { font-size: clamp(1.3rem, 11cqi, 1.75rem); }
}

/* Pfeil folgt dem Zeiger */
.area-card:hover .arrow,
.area-card:focus-visible .arrow { transform: translateX(5px); }

@media (prefers-reduced-motion: reduce) {
  .area-card, .arrow { transition: none; }
}