/* ============================================================
   hoehne — frisches Layout (DESIGN.md §1–§5)
   Alles lokal · kein CDN · kein externer Font
   Raster: 1100px-Container, section-Rhythmus, Scrim-Hero
   ============================================================ */

/* ---------- Tokens (DESIGN.md §1) ---------- */
:root {
  /* Brand */
  --c-brand:        #2E4D6C;
  --c-brand-dark:   #24405C;
  --c-brand-ink:    #1F3550;

  /* Akzent */
  --c-accent:       #B23A2E;
  --c-accent-hover: #99301F;

  /* Flächen */
  --c-bg:           #F7F5F1;
  --c-surface:      #FFFFFF;
  --c-surface-alt:  #DDE5ED;
  --c-border:       #C9D2DC;

  /* Text */
  --c-text:         #24303B;
  --c-text-muted:   #6B7684;
  --c-text-onbrand: #FFFFFF;

  /* Effekte */
  --shadow-card:    0 2px 10px rgba(31,53,80,.10);
  --shadow-hover:   0 6px 18px rgba(31,53,80,.18);

  /* Typo */
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --fs-h1: clamp(2rem, 4vw + 1rem, 3rem);
  --fs-h2: clamp(1.4rem, 1.7vw + .9rem, 1.8rem);
  --fs-h3: 1.25rem;
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-nav: .9375rem;  /* 15px — laesst Luft zwischen Logo und Menue */
  --maxw: 72ch;      /* Lesebreite */
  --wrap: 1280px;    /* Container */

  /* Raster */
  --gap: 1.5rem;
  --space-section: clamp(3rem, 6vw, 5rem);
  --radius: 8px;
  --radius-card: 12px;
  --header-h: 4.25rem;
}

/* ---------- Inter, lokal (DESIGN.md §2) ---------- */
@font-face { font-family: "Inter"; src: url("../fonts/inter-400.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter"; src: url("../fonts/inter-500.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter"; src: url("../fonts/inter-600.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter"; src: url("../fonts/inter-700.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }

/* ---------- Reset / Basis ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 8px); }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--c-text);
  background: var(--c-bg);
}
img { max-width: 100%; height: auto; display: block; }
figure { margin: 0; }   /* UA-Default (1em 40px) würde Bildkarten im Grid verkleinern */

h1, h2, h3, h4 { line-height: 1.2; color: var(--c-brand); font-weight: 700; margin: 0 0 .6rem; }
h1 { font-size: var(--fs-h1); line-height: 1.15; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); font-weight: 600; }

a { color: var(--c-accent); text-decoration-color: currentColor; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

p { margin: 0 0 1rem; }
ul { margin: 0 0 1rem; padding-left: 1.25rem; }
.lead { font-size: 1.125rem; color: var(--c-brand-dark); }

/* Skip-Link */
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--c-brand); color: var(--c-text-onbrand);
  padding: .6rem 1rem; border-radius: 0 0 var(--radius) 0; z-index: 100;
}
.skip-link:focus { left: 0; }

/* Sichtbarer Fokus */
:focus-visible { outline: 3px solid var(--c-accent); outline-offset: 2px; }

/* ---------- Layout ---------- */
.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }
.container { max-width: var(--maxw); }
section { padding-block: var(--space-section); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow .25s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-card); }
.header-in {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: var(--header-h);
}
.logo { display: flex; align-items: center; gap: .6rem; text-decoration: none; }
.logo img { width: auto; height: 36px; }
.brand-name { font-weight: 700; color: var(--c-brand); font-size: 1.05rem; line-height: 1.15; }
.logo { flex-shrink: 0; }

.main-nav { margin-left: 2.5rem; }  /* Mindestabstand Logo <-> Menue */
.main-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: .25rem; align-items: center; }
.main-nav a {
  display: block; padding: .5rem .625rem; border-radius: var(--radius);
  color: var(--c-text); font-size: var(--fs-nav); font-weight: 500; text-decoration: none;
  white-space: nowrap;
}
.main-nav a:hover { color: var(--c-brand-dark); background: var(--c-bg); }
.main-nav a[aria-current="page"] { color: var(--c-brand-dark); box-shadow: inset 0 -2px 0 var(--c-accent); }

.burger {
  display: none; background: transparent; border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: .55rem .7rem; cursor: pointer; color: var(--c-brand-ink);
}
.burger span { display: block; width: 1.5rem; height: 2px; background: currentColor; margin: .35rem 0; border-radius: 2px; }
.burger span:first-child { margin-top: 0; }
.burger span:last-child { margin-bottom: 0; }

/* ---------- Hero / Slider (Startseite) ---------- */
.hero { position: relative; overflow: hidden; background: var(--c-brand-ink); aspect-ratio: 16 / 6; min-height: clamp(22rem, 52vh, 34rem); }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity 1.2s ease;
  visibility: hidden; pointer-events: none;
}
.hero-slide.active { opacity: 1; visibility: visible; pointer-events: auto; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-scrim {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, rgba(31,53,80,.86) 0%, rgba(31,53,80,.55) 48%, rgba(31,53,80,.18) 78%);
}
.hero-scrim.strong { background: linear-gradient(90deg, rgba(31,53,80,.90) 0%, rgba(31,53,80,.60) 50%, rgba(31,53,80,.30) 75%); }
.hero-content { position: absolute; inset: 0; display: flex; align-items: center; color: var(--c-text-onbrand); }
.hero-text { max-width: 34rem; padding-block: 2rem; }
.hero-text h1, .hero-text h2 { color: var(--c-text-onbrand); margin: 0 0 .75rem; font-size: var(--fs-h1); line-height: 1.15; }
.hero-text p { font-size: clamp(1rem, 1.2vw + .7rem, 1.2rem); color: rgba(255,255,255,.94); margin: 0; }
.hero-text a { color: var(--c-text-onbrand); font-weight: 600; text-underline-offset: 3px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.hero-nav { position: absolute; right: clamp(1rem, 4vw, 2.5rem); bottom: 1.25rem; z-index: 5; display: flex; gap: .5rem; align-items: center; }
.hero-dot { width: .7rem; height: .7rem; border-radius: 50%; border: 2px solid var(--c-text-onbrand); background: transparent; cursor: pointer; padding: 0; opacity: .7; }
.hero-dot.active { background: var(--c-text-onbrand); opacity: 1; }
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  width: 2.75rem; height: 2.75rem; border-radius: 50%; border: 2px solid rgba(255,255,255,.7);
  background: rgba(31,53,80,.45); color: var(--c-text-onbrand); cursor: pointer; font-size: 1.25rem; line-height: 1;
  display: grid; place-items: center;
}
.hero-arrow:hover { background: var(--c-brand); }
.hero-arrow.prev { left: clamp(.75rem, 3vw, 1.5rem); }
.hero-arrow.next { right: clamp(.75rem, 3vw, 1.5rem); }

/* ---------- Buttons: Hover = Anheben + Schatten (Sven-Standard) ---------- */
.btn {
  display: inline-block; padding: .75rem 1.4rem; border-radius: var(--radius);
  font-weight: 600; text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary { background: var(--c-accent); color: var(--c-text-onbrand); }
.btn-primary:hover { background: var(--c-accent-hover); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--c-text-onbrand); border-color: var(--c-text-onbrand); }
.btn-ghost:hover { background: rgba(255,255,255,.14); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.btn-brand { background: var(--c-brand); color: var(--c-text-onbrand); }
.btn-brand:hover { background: var(--c-brand-dark); box-shadow: var(--shadow-hover); transform: translateY(-2px); }

/* ---------- Seitenkopf (interne Seiten) ---------- */
.page-hero { background: var(--c-brand); color: var(--c-text-onbrand); padding-block: clamp(2.5rem, 5vw, 4rem); }
.page-hero h1 { color: var(--c-text-onbrand); margin: 0 0 .5rem; }
.page-hero p { color: rgba(255,255,255,.9); margin: 0; max-width: var(--maxw); }

/* ---------- Sektionen / Raster ---------- */
.section-head { max-width: 46rem; margin-bottom: 2rem; }
.section-head h2 { margin-bottom: 0; }
.grid { display: grid; gap: var(--gap); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* ---------- Karten ---------- */
.card {
  background: var(--c-surface); border-radius: var(--radius-card); box-shadow: var(--shadow-card);
  padding: 1.5rem; transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.card h2, .card h3 { margin-top: 0; }
/* Karten als Spalte: Link ("Zur …") immer unten am Kartenende ausrichten */
.card { display: flex; flex-direction: column; }
.card > a:last-child { margin-top: auto; padding-top: .75rem; align-self: flex-start; }
.card img { border-radius: calc(var(--radius-card) - 4px); margin-bottom: 1rem; }
figure.card { padding: 1.25rem; }   /* Bildkarten: mehr Bildfläche */
figcaption { font-size: var(--fs-small); color: var(--c-text-muted); }

/* ---------- Service-Nummern ---------- */
.service-card .num {
  display: inline-block; font-size: 1rem; font-weight: 700; color: var(--c-text-onbrand);
  background: var(--c-accent); border-radius: var(--radius); padding: .2rem .6rem; margin-bottom: .6rem;
}
.service-card ul { list-style: none; margin: .5rem 0 0; padding: 0; }
.service-card li { padding-left: 1.2rem; position: relative; margin-bottom: .3rem; }
.service-card li::before { content: ""; position: absolute; left: 0; top: .55em; width: 8px; height: 8px; background: var(--c-accent); border-radius: 2px; }

/* ---------- Vorteile-Liste: Häkchen-Icons, Hover ohne Schatten ---------- */
.benefits { list-style: none; margin: 0; padding: 0; display: grid; gap: .25rem; }
.benefits li {
  display: flex; align-items: flex-start; gap: .85rem;
  padding: .7rem .9rem; border-radius: var(--radius);
  border-left: 3px solid transparent; background: transparent;
  transition: background-color .2s ease, border-color .2s ease;
}
.benefits li::before {
  content: ""; flex: 0 0 1.3rem; width: 1.3rem; height: 1.3rem; margin-top: .2rem;
  background-color: var(--c-accent);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center / contain no-repeat;
  transition: background-color .2s ease, transform .2s ease;
}
.benefits li:hover { background-color: var(--c-surface); border-left-color: var(--c-accent); }
.benefits li:hover::before { transform: scale(1.12); }
@media (prefers-reduced-motion: reduce) { .benefits li, .benefits li::before { transition: none; } }

/* ---------- Tabelle / Preisliste ---------- */
.table-wrap { overflow-x: auto; background: var(--c-surface); border-radius: var(--radius-card); box-shadow: var(--shadow-card); }
table { width: 100%; border-collapse: collapse; }
caption { text-align: left; padding: 1rem 1.25rem; font-weight: 700; color: var(--c-brand); }
th { background: var(--c-brand); color: var(--c-text-onbrand); text-align: left; padding: .85rem 1.25rem; font-weight: 600; }
td { padding: .85rem 1.25rem; border-bottom: 1px solid var(--c-border); }
tbody tr:nth-child(even) { background: var(--c-surface-alt); }
td.price, .price { color: var(--c-accent); font-weight: 700; white-space: nowrap; }

.note { font-size: var(--fs-small); color: var(--c-text-muted); }
.field { background: var(--c-surface-alt); border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1.5rem; }

/* ---------- Zertifikate: 4-Spalten-Raster (Sven 03.10.2026) ---------- */
.thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.thumb {
  position: relative; display: block; width: 100%;
  background: var(--c-surface); border-radius: var(--radius-card); padding: .5rem; cursor: zoom-in;
  box-shadow: var(--shadow-card); border: none; transition: transform .2s ease, box-shadow .2s ease;
}
.thumb:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.thumb img { width: 100%; aspect-ratio: 3 / 2; object-fit: contain; }
.thumb-zoom {
  position: absolute; left: 50%; bottom: .9rem; transform: translate(-50%, 6px);
  background: var(--c-brand); color: var(--c-text-onbrand);
  font-size: var(--fs-small); font-weight: 600; padding: .3rem .7rem; border-radius: 999px;
  opacity: 0; pointer-events: none; white-space: nowrap;
  transition: opacity .2s ease, transform .2s ease;
}
.thumb:hover .thumb-zoom, .thumb:focus-visible .thumb-zoom,
.zoomable-wrap:hover .thumb-zoom, .zoomable-wrap:focus-within .thumb-zoom { opacity: 1; transform: translate(-50%, 0); }

/* Inhaltsbilder als Lightbox-Auslöser (Sven 03.10.2026) */
.zoomable { cursor: zoom-in; transition: filter .2s ease; }
.zoomable:hover { filter: brightness(1.04); }
.zoomable:focus-visible { outline: 3px solid var(--c-accent); outline-offset: 2px; }
/* Badge „Vergrößern" (blau) für alle Lightbox-Bilder — JS legt Wrap + Badge an */
.zoomable-wrap { position: relative; display: block; }
.zoomable-wrap .thumb-zoom { bottom: .9rem; }

/* ---------- Lightbox (natives <dialog>, modern, Sven-Standard) ---------- */
.lightbox { border: none; padding: 0; background: transparent; overflow: visible; outline: none; width: 100%; max-width: min(94vw, 1100px); }
.lightbox::backdrop { background: rgba(16,28,42,.82); backdrop-filter: blur(4px); }
.lightbox[open] { animation: lb-in .28s cubic-bezier(.2,.7,.3,1); }
.lightbox[open]::backdrop { animation: lb-fade .28s ease; }
@keyframes lb-in { from { opacity: 0; transform: translateY(12px) scale(.97); } to { opacity: 1; transform: none; } }
@keyframes lb-fade { from { opacity: 0; } to { opacity: 1; } }
.lightbox-inner { position: relative; background: var(--c-surface); border-radius: var(--radius-card); padding: 1rem; box-shadow: 0 24px 60px rgba(0,0,0,.45); }
.lightbox-figure { margin: 0; }
.lightbox-figure img { display: block; width: 100%; max-height: 78vh; object-fit: contain; background: var(--c-bg); border-radius: calc(var(--radius-card) - 6px); }
.lightbox-caption { margin-top: .75rem; text-align: center; font-size: var(--fs-small); color: var(--c-text-muted); }
.lightbox-count { position: absolute; top: .9rem; left: 1rem; z-index: 3; font-size: var(--fs-small); font-weight: 600; color: var(--c-text-muted); }
.lightbox-close {
  position: absolute; top: .6rem; right: .6rem; z-index: 3; width: 2.5rem; height: 2.5rem;
  display: grid; place-items: center; border-radius: 50%; border: none;
  background: rgba(31,53,80,.08); color: var(--c-brand-ink); font-size: 1.4rem; line-height: 1; cursor: pointer;
  transition: background .2s ease, color .2s ease, transform .25s ease;
}
.lightbox-close:hover { background: var(--c-accent); color: var(--c-text-onbrand); transform: rotate(90deg); }
.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 2.75rem; height: 2.75rem; display: grid; place-items: center; border-radius: 50%; border: none;
  background: rgba(31,53,80,.10); color: var(--c-brand-ink); font-size: 1.5rem; line-height: 1; cursor: pointer;
  transition: background .2s ease, color .2s ease;
}
.lightbox-nav:hover { background: var(--c-brand); color: var(--c-text-onbrand); }
.lightbox-nav.prev { left: .6rem; }
.lightbox-nav.next { right: .6rem; }
@media (prefers-reduced-motion: reduce) {
  .lightbox[open], .lightbox[open]::backdrop { animation: none; }
}

/* ---------- Arbeitsschritte (Ausführung) ---------- */
.steps { counter-reset: step; display: grid; gap: 0; }
.step { display: grid; grid-template-columns: 1fr; gap: 1rem; padding: 1.5rem; border-bottom: 1px solid var(--c-border); background: var(--c-surface); }
.step:last-child { border-bottom: 0; }
.step .step-head { display: flex; gap: 1rem; align-items: center; }
.step-head .n {
  flex: 0 0 44px; height: 44px; border-radius: 50%; background: var(--c-brand);
  color: var(--c-text-onbrand); display: grid; place-items: center; font-weight: 700;
}
.step h3 { margin: 0; }
.step img { width: 100%; height: 200px; object-fit: cover; border-radius: var(--radius-card); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .4s ease, transform .4s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-slide { transition: none; }
}

/* ---------- Footer ---------- */
.site-footer { background: var(--c-brand-ink); color: rgba(255,255,255,.85); padding-block: 2.5rem; margin-top: 2rem; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 2rem; }
.footer-grid > div:last-child { text-align: right; }
.site-footer h3 { color: #fff; font-size: 1rem; margin-top: 0; }
.site-footer a { color: rgba(255,255,255,.9); }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .4rem; }
.footer-bottom { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid rgba(255,255,255,.18); font-size: var(--fs-small); color: rgba(255,255,255,.6); }

/* ---------- toTop ---------- */
.to-top {
  position: fixed; right: 1.25rem; bottom: 1.25rem; width: 2.75rem; height: 2.75rem; z-index: 40;
  border-radius: 50%; border: none; background: var(--c-brand); color: var(--c-text-onbrand);
  font-size: 1.25rem; cursor: pointer; box-shadow: var(--shadow-card);
  opacity: 0; pointer-events: none; transform: translateY(12px);
  transition: opacity .25s ease, transform .25s ease, background .2s ease;
}
.to-top.show { opacity: 1; pointer-events: auto; transform: none; }
.to-top:hover { background: var(--c-brand-dark); box-shadow: var(--shadow-hover); }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .burger { display: block; }
  .main-nav {
    margin-left: 0;
    position: absolute; top: 100%; left: 0; right: 0; background: var(--c-surface);
    border-bottom: 1px solid var(--c-border); box-shadow: var(--shadow-card);
    max-height: 0; overflow: hidden; transition: max-height .3s ease;
  }
  .main-nav.open { max-height: 90vh; overflow-y: auto; }
  .main-nav ul { flex-direction: column; align-items: stretch; padding: .5rem 1rem 1rem; gap: .1rem; }
  .main-nav a { padding: .8rem .6rem; }
  .hero { aspect-ratio: 4 / 5; }
  .hero-content { align-items: flex-start; }
  .hero-text { padding-block: 2.5rem; }
  .hero-arrow { display: none; }
  .step { grid-template-columns: 1fr; }
  .step img { height: 180px; }
}
@media (max-width: 720px) {
  .thumbs { grid-template-columns: repeat(2, 1fr); }
  .logo img { height: 30px; }
}
@media (max-width: 560px) {
  .hero-nav { right: 50%; transform: translateX(50%); }
  .logo img { height: 26px; }
}