/* GREKO Elektrogroßhandlung – Gestaltung nach Entwurf B (Oktober 2026)
   Katalog-Anmutung: linksbündiges Raster mit Haarlinien, kantige Flächen, Kopfbereich in Logo-Blau
   mit Riesenrad als Strichzeichnung. Bewusst ein einziges Farbschema. */
:root {
  --blue: #2b569f;          /* Logo-Blau */
  --blue-deep: #1c3a72;
  --blue-ink: #14294f;
  --bulb: #ffb938;          /* Glühlampenlicht */
  --ink: #1a1e27;
  --muted: #586274;
  --rule: #d6dce6;
  --paper: #ffffff;
  --tint: #eef2f8;
  --on-blue: #f2f5fb;
  --on-blue-muted: #c3cfe6;
  --font-display: "Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-body); font-size: 17px; line-height: 1.6; }
img, svg { max-width: 100%; }
.wrap { max-width: 1140px; margin: 0 auto; padding-inline: 20px; }
h1, h2, h3 { margin: 0; text-wrap: balance; }
h2 { font-family: var(--font-display); font-weight: 800; font-size: clamp(2.2rem, 5vw, 3.2rem); line-height: 1; text-transform: uppercase; letter-spacing: 0.01em; color: var(--blue-ink); }
h3 { font-size: 1.12rem; font-weight: 600; line-height: 1.3; }
p { margin: 0; }
a { color: var(--blue); }
:focus-visible { outline: 3px solid var(--bulb); outline-offset: 3px; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 50; padding: 10px 14px; background: var(--blue-ink); color: #fff; border-radius: 6px; }
.skip:focus { top: 12px; }

/* Glas: nur zwei Stellen, Navigation und Direktkontakt */
.glass {
  background: rgba(255, 255, 255, 0.74);
  -webkit-backdrop-filter: blur(16px) saturate(170%);
  backdrop-filter: blur(16px) saturate(170%);
  box-shadow: inset 0 1px 0 #fff, 0 6px 24px rgba(20, 41, 79, 0.14);
}
.glass-dark {
  background: rgba(255, 255, 255, 0.1);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  backdrop-filter: blur(14px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.28);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass { background: rgba(255, 255, 255, 0.97); }
  .glass-dark { background: rgba(28, 58, 114, 0.95); }
}

/* Navigation */
.nav { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; padding: 10px 12px 0; }
.page-home .nav { margin-bottom: -76px; }
.nav-inner { max-width: 1140px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 8px 8px 8px 16px; border-radius: 10px; }
.nav-logo img { display: block; width: 160px; height: auto; }
.nav-links { display: flex; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav-links a { display: block; padding: 8px 14px; color: var(--ink); text-decoration: none; font-weight: 500; border-radius: 6px; }
.nav-links a:hover { background: var(--tint); }
.nav-call { padding: 9px 16px; border-radius: 6px; background: var(--blue); color: #fff; text-decoration: none; font-weight: 600; white-space: nowrap; font-variant-numeric: tabular-nums; }
.nav-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; color: var(--ink); cursor: pointer; }
.nav-toggle svg { width: 24px; height: 24px; }
@media (max-width: 880px) {
  .nav-links, .nav-call { display: none; }
  .nav-toggle { display: inline-grid; place-items: center; }
  .nav-inner { flex-wrap: wrap; }
  .nav.open .nav-links { display: grid; width: 100%; padding: 4px 0 8px; }
  .nav.open .nav-links a { padding: 12px 8px; font-size: 1.1rem; border-top: 1px solid var(--rule); border-radius: 0; }
  .nav.open .nav-call { display: inline-block; margin-bottom: 8px; }
  .nav-logo img { width: 140px; }
}

/* Kopfbereich */
.hero { position: relative; background: var(--blue-deep); color: var(--on-blue); padding-top: calc(env(safe-area-inset-top, 0px) + 120px); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 24px; align-items: end; }
.hero-copy { display: grid; grid-template-columns: minmax(0, 1fr); gap: 22px; padding-bottom: 64px; min-width: 0; }
.hero h1 { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: clamp(2.3rem, 10.5vw, 5.6rem); line-height: 0.92; letter-spacing: 0.005em; }
.hero h1 span { color: var(--bulb); display: block; }
.hero-lead { max-width: 50ch; color: var(--on-blue-muted); font-size: 1.1rem; }
.direct { display: inline-grid; grid-template-columns: auto auto; align-items: center; gap: 4px 20px; padding: 14px 18px; border-radius: 10px; justify-self: start; }
.direct small { grid-column: 1 / -1; color: var(--on-blue-muted); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; }
.direct a { font-family: var(--font-display); font-weight: 800; font-size: 2.2rem; line-height: 1; color: #fff; text-decoration: none; letter-spacing: 0.02em; font-variant-numeric: tabular-nums; white-space: nowrap; }
.direct .go { font-family: var(--font-body); font-size: 0.95rem; font-weight: 600; padding: 9px 14px; border-radius: 6px; background: var(--bulb); color: var(--blue-ink); }
.hero-art { align-self: end; display: grid; justify-items: center; min-width: 0; }
.wheel-svg { width: min(100%, 420px); height: auto; display: block; }

/* Riesenrad: dreht in zwei Minuten einmal herum, Gondeln bleiben senkrecht, Lampen als weiche Lichtwelle */
.wheel { transform-origin: 200px 190px; animation: spin 120s linear infinite; }
.hang { transform-box: fill-box; transform-origin: 50% 0; transform: rotate(var(--a)); animation: counter 120s linear infinite; }
.bulbs circle { fill: var(--bulb); animation: glow 3.2s ease-in-out infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes counter { from { transform: rotate(var(--a)); } to { transform: rotate(calc(var(--a) - 360deg)); } }
@keyframes glow { 0%, 100% { opacity: 0.3; } 50% { opacity: 1; } }

@media (max-width: 880px) {
  .hero { padding-top: calc(env(safe-area-inset-top, 0px) + 100px); }
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-copy { padding-bottom: 8px; }
  .hero-art { margin-top: 8px; }
  .wheel-svg { width: min(78%, 300px); }
}
@media (max-width: 420px) {
  .direct { grid-template-columns: minmax(0, 1fr); justify-items: start; gap: 8px; }
}

/* Abschnitte */
section { scroll-margin-top: 90px; }
.band { padding-block: 88px; border-bottom: 1px solid var(--rule); }
.split { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.6fr); gap: 48px; }
.split-head { display: grid; gap: 14px; align-content: start; }
.split-head p { color: var(--muted); max-width: 36ch; }
@media (max-width: 880px) { .split { grid-template-columns: minmax(0, 1fr); gap: 28px; } .band { padding-block: 64px; } }

/* Leistungen als Liste mit Haarlinien */
.rows { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--blue-ink); }
.rows li { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.6fr); gap: 8px 32px; padding: 22px 0; border-bottom: 1px solid var(--rule); }
.rows p { color: var(--muted); }
@media (max-width: 560px) { .rows li { grid-template-columns: minmax(0, 1fr); } }

/* Sortiment als Katalogverzeichnis */
.catalog { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 40px; border-top: 2px solid var(--blue-ink); }
.catalog li { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 4px 16px; align-items: start; padding: 20px 0; border-bottom: 1px solid var(--rule); }
.catalog svg { grid-row: span 2; width: 44px; height: 44px; color: var(--blue); padding: 8px; background: var(--tint); border-radius: 8px; }
.catalog p { color: var(--muted); font-size: 0.95rem; }
.catalog-foot { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; color: var(--muted); }
.btn { display: inline-block; padding: 11px 18px; border-radius: 6px; background: var(--blue); color: #fff; text-decoration: none; font-weight: 600; }
@media (max-width: 760px) { .catalog { grid-template-columns: minmax(0, 1fr); } }

/* Ablauf */
.flow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); counter-reset: f; }
.flow li { counter-increment: f; padding: 0 24px 0 0; display: grid; gap: 8px; position: relative; align-content: start; }
.flow li::before { content: counter(f); font-family: var(--font-display); font-weight: 800; font-size: 3.2rem; line-height: 1; color: var(--blue); }
.flow li::after { content: ""; position: absolute; left: 44px; right: 16px; top: 26px; border-top: 2px dashed var(--rule); }
.flow li:last-child::after { display: none; }
.flow p { color: var(--muted); }
@media (max-width: 760px) { .flow { grid-template-columns: minmax(0, 1fr); gap: 28px; } .flow li::after { display: none; } }

/* Über uns mit Karte */
.about { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: 48px; align-items: center; }
.about-copy { display: grid; gap: 16px; }
.about-copy p { color: var(--muted); max-width: 58ch; }
.about-map { display: grid; justify-items: center; gap: 6px; }
.map-svg { width: min(100%, 290px); height: auto; overflow: visible; }
.map-dots { stroke: var(--blue); stroke-opacity: 0.28; stroke-width: 4.2; stroke-linecap: round; fill: none; }
.map-routes path { fill: none; stroke: var(--blue); stroke-width: 1.3; stroke-dasharray: 3 4; stroke-opacity: 0.7; }
.map-routes circle { fill: var(--blue); }
.map-home { fill: var(--bulb); stroke: var(--blue-ink); stroke-width: 2; }
.map-pulse { fill: var(--bulb); opacity: 0.5; transform-box: fill-box; transform-origin: center; animation: pulse 2.8s ease-out infinite; }
.map-label { font-family: var(--font-display); font-weight: 800; font-size: 17px; fill: var(--blue-ink); text-transform: uppercase; }
@keyframes pulse { 0% { transform: scale(1); opacity: 0.55; } 100% { transform: scale(3.2); opacity: 0; } }
.about-map strong { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: clamp(1.5rem, 3.5vw, 1.9rem); color: var(--blue-ink); }
@media (max-width: 860px) { .about { grid-template-columns: minmax(0, 1fr); } }

/* Kontakt */
.contact { background: var(--blue-deep); color: var(--on-blue); border-bottom: 0; }
.contact h2 { color: #fff; }
.contact .split-head p { color: var(--on-blue-muted); }
.contact-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; border-top: 2px solid rgba(255, 255, 255, 0.4); padding-top: 24px; }
.contact dl { margin: 0; display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 10px 20px; }
.contact dt { color: var(--on-blue-muted); }
.contact dd { margin: 0; font-weight: 600; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
.contact dd a { color: #fff; text-underline-offset: 3px; text-decoration-color: var(--bulb); }
.contact address { font-style: normal; line-height: 1.75; }
.contact .hint { color: var(--on-blue-muted); font-size: 0.95rem; margin-top: 12px; }
@media (max-width: 680px) { .contact-cols { grid-template-columns: minmax(0, 1fr); } }

/* Impressum und Datenschutz */
.legal { padding-block: 56px 88px; }
.legal-inner { max-width: 760px; display: grid; gap: 14px; }
.legal h1 { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: clamp(2.2rem, 5vw, 3.2rem); line-height: 1; color: var(--blue-ink); margin-bottom: 12px; }
.legal h2 { font-size: clamp(1.5rem, 3.5vw, 1.9rem); margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--rule); }
.legal h3 { margin-top: 10px; }
.legal p, .legal li { color: var(--ink); max-width: 68ch; }
.legal ul { margin: 0; padding-left: 1.2em; display: grid; gap: 4px; }
.legal address { font-style: normal; line-height: 1.7; }
.legal dl { margin: 0; display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 6px 20px; }
.legal dt { color: var(--muted); }
.legal dd { margin: 0; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }

footer { background: var(--blue-ink); color: var(--on-blue-muted); padding-block: 26px calc(26px + env(safe-area-inset-bottom, 0px)); font-size: 0.95rem; }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.foot nav { display: flex; gap: 20px; }
.foot a { color: #fff; text-decoration: none; }
.foot a:hover { text-decoration: underline; }

@media (prefers-reduced-motion: reduce) {
  .wheel, .hang, .bulbs circle, .map-pulse { animation: none; }
  html { scroll-behavior: auto; }
}

/* Browser-Oberflächen im Farbschema */
::selection { background: var(--bulb); color: var(--blue-ink); }
html { accent-color: var(--blue); }
a { text-underline-offset: 3px; }

/* Zustände der Knöpfe: dunkler bei Hover, ohne Bewegung */
.btn, .nav-call, .direct .go { transition: background-color 0.15s ease-out, color 0.15s ease-out; }
.btn:hover, .nav-call:hover { background: var(--blue-ink); }
.direct .go:hover { background: color-mix(in srgb, var(--bulb) 75%, #fff); }
@media (prefers-reduced-motion: reduce) { .btn, .nav-call, .direct .go { transition: none; } }