/* ===== Radweg Hamburg — Site CSS ===== */

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

:root {
  --color-primary: #3A6B35;
  --color-light: #4E8548;
  --color-dark: #2A4E26;
  --color-bg: #F6F9F5;
  --color-text: #1E2A1C;
  --color-text-muted: #5A6E57;
  --color-border: #D4E0D2;
  --color-card-bg: #FFFFFF;
  --color-hero-start: #2A4E26;
  --color-hero-end: #4E8548;
  --color-tag-bg: #E8F0E6;
  --color-tag-text: #3A6B35;
  --color-footer-bg: #1E2A1C;
  --color-footer-text: #C8D5C6;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-heading: Georgia, "Times New Roman", Times, serif;
  --max-width: 1140px;
  --radius: 8px;
  --shadow-card: 0 2px 8px rgba(30,42,28,.08);
  --shadow-card-hover: 0 6px 20px rgba(30,42,28,.13);
  --transition: .25s ease;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HEADER ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 4px rgba(30,42,28,.05);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.site-logo {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -.02em;
  white-space: nowrap;
}
.site-logo span {
  color: var(--color-dark);
}
.site-nav {
  display: flex;
  gap: 28px;
  list-style: none;
}
.site-nav a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: 4px 0;
}
.site-nav a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition);
}
.site-nav a:hover {
  color: var(--color-primary);
}
.site-nav a:hover::after {
  width: 100%;
}

/* Hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 32px;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  position: absolute;
  left: 5px;
  transition: var(--transition);
}
.nav-toggle span { top: 15px; }
.nav-toggle span::before { content:""; top: -7px; }
.nav-toggle span::after  { content:""; top: 7px; }

/* ===== HOME HERO ===== */
.home-hero {
  background: linear-gradient(135deg, var(--color-hero-start), var(--color-hero-end));
  color: #fff;
  text-align: center;
  padding: 80px 24px 72px;
}
.home-hero h1 {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.2;
}
.tagline {
  font-size: 1.15rem;
  opacity: .9;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ===== SECTION LABEL ===== */
.section-label {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  text-align: center;
  margin: 56px 0 32px;
  color: var(--color-text);
}

/* ===== CARD GRID ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  padding-bottom: 64px;
}
.article-card {
  background: var(--color-card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.card-image {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  background: linear-gradient(135deg, var(--color-tag-bg), #d5e8d0);
}
.card-body {
  padding: 20px 22px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card-tag {
  display: inline-block;
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-tag-text);
  background: var(--color-tag-bg);
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 10px;
  align-self: flex-start;
}
.card-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 8px;
}
.card-title a {
  color: var(--color-text);
}
.card-title a:hover {
  color: var(--color-primary);
}
.card-excerpt {
  font-size: .88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  flex: 1;
}
.card-meta {
  font-size: .78rem;
  color: var(--color-text-muted);
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

/* ===== PAGE HERO ===== */
.page-hero {
  background: linear-gradient(135deg, var(--color-hero-start), var(--color-hero-end));
  color: #fff;
  text-align: center;
  padding: 56px 24px 48px;
}
.page-hero h1 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
}
.page-hero p {
  margin-top: 10px;
  opacity: .85;
  font-size: 1.05rem;
}

/* ===== PAGE CONTENT (about, contact, privacy) ===== */
.page-content {
  padding: 48px 0 64px;
}
.page-content h2 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin: 32px 0 12px;
  color: var(--color-dark);
}
.page-content h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin: 24px 0 8px;
  color: var(--color-text);
}
.page-content p {
  margin-bottom: 14px;
}
.page-content ul, .page-content ol {
  margin: 0 0 14px 24px;
}
.page-content li {
  margin-bottom: 6px;
}

/* --- Team Grid --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
  margin: 28px 0 40px;
}
.team-member {
  background: var(--color-card-bg);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow-card);
}
.team-member .avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-tag-bg), #c8dbc4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  margin: 0 auto 14px;
}
.team-member h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 4px;
}
.team-member .role {
  font-size: .85rem;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}
.team-member p {
  font-size: .88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  margin: 28px 0;
}
.contact-block {
  background: var(--color-card-bg);
  padding: 28px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}
.contact-block h3 {
  margin-top: 0;
}
.contact-block .icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

/* ===== ARTICLE PAGES ===== */
.article-header {
  text-align: center;
  padding-bottom: 24px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--color-border);
}
.article-header h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
  line-height: 1.25;
  margin-bottom: 12px;
}
.article-meta {
  font-size: .85rem;
  color: var(--color-text-muted);
}
.article-meta span + span::before {
  content: " \00b7 ";
  margin: 0 6px;
}
.article-body {
  padding: 0 0 40px;
}
.article-body h2 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin: 36px 0 14px;
  color: var(--color-dark);
}
.article-body h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin: 28px 0 10px;
}
.article-body p {
  margin-bottom: 16px;
}
.article-body ul, .article-body ol {
  margin: 0 0 16px 24px;
}
.article-body li {
  margin-bottom: 6px;
}
.article-body blockquote {
  border-left: 3px solid var(--color-primary);
  padding: 12px 20px;
  margin: 20px 0;
  background: var(--color-tag-bg);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--color-text-muted);
  font-style: italic;
}
.article-body .info-box {
  background: var(--color-tag-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin: 24px 0;
}
.article-body .info-box h4 {
  font-size: .9rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

/* Article Nav */
.article-nav {
  display: flex;
  justify-content: space-between;
  padding: 28px 0 48px;
  border-top: 1px solid var(--color-border);
  gap: 16px;
  flex-wrap: wrap;
}
.article-nav a {
  font-size: .9rem;
  font-weight: 500;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  margin-top: auto;
  padding: 40px 0 28px;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}
.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}
.footer-tagline {
  font-size: .85rem;
  color: var(--color-footer-text);
  margin-top: 4px;
}
.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
}
.footer-links a {
  font-size: .85rem;
  color: var(--color-footer-text);
}
.footer-links a:hover {
  color: #fff;
}
.footer-copy {
  width: 100%;
  text-align: center;
  font-size: .78rem;
  color: #6B816A;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid #2E3F2C;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  /* Nav */
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px;
    gap: 12px;
    box-shadow: 0 4px 12px rgba(30,42,28,.1);
  }
  .site-nav.open { display: flex; }

  /* Hero */
  .home-hero { padding: 52px 20px 44px; }
  .home-hero h1 { font-size: 1.8rem; }
  .tagline { font-size: 1rem; }

  /* Cards */
  .card-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* Page hero */
  .page-hero { padding: 40px 20px 36px; }
  .page-hero h1 { font-size: 1.6rem; }

  /* Article */
  .article-header h1 { font-size: 1.5rem; }

  /* Footer */
  .footer-inner { flex-direction: column; align-items: center; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
}