/* =====================================================
   Theme – Vanilla CSS, Mobile-first, no frameworks
   ===================================================== */

/* ── Custom Properties ─────────────────────────────── */
:root {
  --color-primary:      #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-secondary:    #64748b;
  --color-accent:       #f59e0b;
  --color-text:         #1e293b;
  --color-text-muted:   #64748b;
  --color-bg:           #ffffff;
  --color-bg-alt:       #f8fafc;
  --color-border:       #e2e8f0;
  --color-dark:         #0f172a;
  --color-dark-text:    #f1f5f9;

  --font-body:    system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-heading: system-ui, -apple-system, 'Segoe UI', sans-serif;

  --radius:       0.5rem;
  --radius-lg:    1rem;
  --transition:   0.2s ease;

  --container-max: 1200px;
  --container-pad: 1rem;

  --space-block:   3rem;
  --space-block-sm: 1.5rem;
}

/* ── Reset & Base ───────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 1rem;
}

img, video, iframe {
  display: block;
  max-width: 100%;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--color-text);
}

/* ── Container ──────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ── Header ─────────────────────────────────────────── */
header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.75rem var(--container-pad);
}

header nav {
  max-width: var(--container-max);
  margin-inline: auto;
}

/* ── Footer ─────────────────────────────────────────── */
footer {
  background: var(--color-dark);
  color: var(--color-dark-text);
  padding: 2rem var(--container-pad);
  margin-top: auto;
}

footer nav {
  max-width: var(--container-max);
  margin-inline: auto;
}

footer nav a {
  color: var(--color-dark-text);
  opacity: 0.8;
}

footer nav a:hover {
  opacity: 1;
}

/* ── Navigation ─────────────────────────────────────── */
nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 1.25rem;
}

nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  text-decoration: none;
}

nav a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

nav a[aria-current="page"] {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ── Block base ─────────────────────────────────────── */
.block {
  padding-block: var(--space-block);
  padding-inline: var(--container-pad);
}

.block > * {
  max-width: var(--container-max);
  margin-inline: auto;
}

/* ── Hero ───────────────────────────────────────────── */
.block-hero {
  position: relative;
  padding-block: 5rem;
  padding-inline: var(--container-pad);
  background-color: var(--color-dark);
  color: var(--color-dark-text);
  text-align: center;
  overflow: hidden;
}

.block-hero[style*="background-image"]::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 0;
}

.block-hero > * {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin-inline: auto;
}

.block-hero h1 {
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.1;
  color: inherit;
  margin-bottom: 1rem;
}

.block-hero p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  opacity: 0.9;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 2rem;
}

.hero-btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
  text-decoration: none;
}

.hero-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  text-decoration: none;
  color: #fff;
}

/* ── Text ───────────────────────────────────────────── */
.block-text {
  padding-block: var(--space-block);
  padding-inline: var(--container-pad);
}

.block-text > * {
  max-width: 760px;
  margin-inline: auto;
}

.block-text h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.75rem;
}

.block-text p {
  margin-bottom: 1rem;
  color: var(--color-text);
}

.block-text p:last-child {
  margin-bottom: 0;
}

/* ── Image ──────────────────────────────────────────── */
.block-image {
  padding-block: var(--space-block);
  padding-inline: var(--container-pad);
  text-align: center;
}

.block-image > * {
  max-width: var(--container-max);
  margin-inline: auto;
}

.block-image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  margin-inline: auto;
}

.block-image figcaption {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ── CTA ────────────────────────────────────────────── */
.block-cta {
  padding-block: var(--space-block);
  padding-inline: var(--container-pad);
  text-align: center;
}

.block-cta > * {
  max-width: var(--container-max);
  margin-inline: auto;
}

.block-cta h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 0.75rem;
}

.block-cta p {
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
  max-width: 560px;
  margin-inline: auto;
}

/* CTA Varianten */
.cta-primary {
  background: var(--color-primary);
  color: #fff;
}

.cta-primary h2,
.cta-primary p {
  color: #fff;
}

.cta-secondary {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

.cta-light {
  background: #fff;
  color: var(--color-text);
}

.cta-dark {
  background: var(--color-dark);
  color: var(--color-dark-text);
}

.cta-dark h2,
.cta-dark p {
  color: var(--color-dark-text);
}

.cta-btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
  text-decoration: none;
}

.cta-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  text-decoration: none;
  color: #fff;
}

.cta-primary .cta-btn {
  background: #fff;
  color: var(--color-primary);
}

.cta-primary .cta-btn:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
}

.cta-dark .cta-btn {
  background: var(--color-primary);
  color: #fff;
}

/* ── Columns ────────────────────────────────────────── */
.block-columns {
  padding-block: var(--space-block);
  padding-inline: var(--container-pad);
}

.block-columns > * {
  max-width: var(--container-max);
  margin-inline: auto;
}

.block-columns__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.block-columns__col h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.block-columns__col div {
  color: var(--color-text-muted);
  line-height: 1.7;
}

.block-columns__col p {
  margin-bottom: 0.75rem;
}

/* ── FAQ ────────────────────────────────────────────── */
.block-faq {
  padding-block: var(--space-block);
  padding-inline: var(--container-pad);
}

.block-faq > * {
  max-width: 760px;
  margin-inline: auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item:first-of-type {
  border-top: 1px solid var(--color-border);
}

.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  list-style: none;
  color: var(--color-text);
  user-select: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  line-height: 1;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 0 1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.faq-answer p {
  margin-bottom: 0.75rem;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

/* ── Video ──────────────────────────────────────────── */
.block-video {
  padding-block: var(--space-block);
  padding-inline: var(--container-pad);
}

.block-video > * {
  max-width: var(--container-max);
  margin-inline: auto;
}

.block-video .video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: #000;
}

.block-video .video-wrapper iframe,
.block-video .video-wrapper video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Fallback: direkte Kinder ohne .video-wrapper */
.block-video iframe,
.block-video video {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  border: none;
}

/* ── Gallery ────────────────────────────────────────── */
.block-gallery {
  padding-block: var(--space-block);
  padding-inline: var(--container-pad);
}

.block-gallery > * {
  max-width: var(--container-max);
  margin-inline: auto;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.block-gallery figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
}

.block-gallery img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.block-gallery figure:hover img {
  transform: scale(1.03);
}

.block-gallery figcaption {
  padding: 0.375rem 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* ── Responsive ─────────────────────────────────────── */
@media (min-width: 768px) {

  :root {
    --container-pad: 2rem;
    --space-block: 5rem;
  }

  /* Columns */
  .block-columns-2 .block-columns__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .block-columns-3 .block-columns__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Gallery */
  .block-gallery-2 .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .block-gallery-3 .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .block-gallery-4 .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Hero */
  .block-hero {
    padding-block: 8rem;
  }
}

@media (min-width: 1024px) {
  :root {
    --container-pad: 2.5rem;
  }
}