/* ========================================
   YSC Segelverein - Design System
   Maritime Navy Theme
   ======================================== */

:root {
  /* Primary - Maritime Navy */
  --primary: #0369A1;
  --primary-dark: #0C4A6E;
  --primary-light: #38BDF8;
  
  /* Secondary */
  --secondary: #334155;
  --secondary-light: #64748B;
  
  /* Accent - Warm Coral */
  --accent: #F97316;
  --accent-dark: #EA580C;
  
  /* Background */
  --bg: #F8FAFC;
  --bg-alt: #F1F5F9;
  --bg-dark: #0F172A;
  
  /* Text */
  --text: #020617;
  --text-light: #475569;
  --text-muted: #94A3B8;
  --text-inverse: #F8FAFC;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  
  /* Layout */
  --container-max: 80rem;
  --radius: 8px;
  --radius-lg: 12px;
}

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

html {
  font-family: system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-dark);
}

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
  width: 100%;
}

/* Header */
.header {
  background: white;
  border-bottom: 1px solid var(--bg-alt);
  position: sticky;
  top: 0;
  z-index: 10000;
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto auto;
  grid-template-areas:
    "logo title toggle"
    "menu menu menu";
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  max-width: var(--container-max);
  margin: 0 auto;
  gap: 0.5rem 1rem;
}

.logo {
  grid-area: logo;
  display: flex;
  align-items: center;
  color: var(--primary);
  text-decoration: none;
}

.logo:hover {
  color: var(--primary-dark);
}

.logo img {
  flex-shrink: 0;
}

.site-title {
  grid-area: title;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary);
  text-align: center;
  line-height: 1.3;
  text-decoration: none;
}

.site-title:hover {
  color: var(--primary-dark);
}

.menu {
  grid-area: menu;
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  align-items: center;
  padding-top: 0.5rem;
  border-top: 1px solid var(--bg-alt);
}

/* Navigation */
.menu {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.menu a {
  color: var(--text);
  font-weight: 500;
  padding: 0.5rem 0;
}

.menu a:hover {
  color: var(--primary);
}

.menu a[aria-current="page"] {
  color: var(--primary);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  grid-area: toggle;
  justify-self: end;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: 0.3s;
}

/* Dropdown Menu */
.menu-item {
  position: relative;
}

.menu-link {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.submenu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text);
  align-items: center;
  justify-content: center;
}

.submenu-icon {
  transition: transform 0.2s ease;
}

.menu-item:hover .submenu-icon {
  transform: rotate(180deg);
}

.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  background: white;
  border: 1px solid var(--bg-alt);
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  min-width: 200px;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
  z-index: 10001;
}

.menu-item:hover .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.submenu-link {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-weight: 400;
  white-space: nowrap;
}

.submenu-link:hover {
  background: var(--bg-alt);
  color: var(--primary);
}

.submenu-link[aria-current="page"] {
  color: var(--primary);
  background: rgba(3, 105, 161, 0.05);
}

/* Main */
.main {
  flex: 1;
}

/* Hero */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-inverse);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.4), rgba(0,0,0,0.6));
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: var(--space-md);
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: var(--space-md);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: var(--space-lg);
  opacity: 0.9;
}

/* Sections */
.section {
  padding: var(--space-xl) 0;
}

.section-alt {
  background: var(--bg-alt);
}

/* Cards */
.card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.card-image {
  aspect-ratio: 3/2;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.card:hover .card-image img {
  transform: scale(1.05);
}

.card-content {
  padding: var(--space-md);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.card-text {
  color: var(--text-light);
  margin-bottom: var(--space-md);
}

/* Group Cards */
.group-card .group-icon {
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

/* Grids */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: white;
}

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

.btn-secondary:hover {
  background: var(--secondary-light);
  color: white;
}

.btn-white {
  background: white;
  color: var(--primary);
}

.btn-white:hover {
  background: var(--bg-alt);
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  text-align: center;
}

.stat-item {
  padding: var(--space-md);
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.stat-label {
  color: var(--text-light);
  margin-top: var(--space-xs);
}

/* Typography */
.page-header {
  margin-bottom: var(--space-xl);
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

.text-content {
  max-width: 65ch;
}

.text-content h2,
.text-content h3,
.text-content h4 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.text-content p {
  margin-bottom: var(--space-md);
}

.text-content ul,
.text-content ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-md);
}

/* Footer */
.ysc-footer {
  background: var(--bg-dark);
  color: var(--text-inverse);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.footer-brand p {
  color: var(--text-muted);
  line-height: 1.6;
}

.ysc-footer h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.ysc-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ysc-footer li {
  margin-bottom: var(--space-xs);
}

.ysc-footer a {
  color: var(--text-muted);
}

.ysc-footer a:hover {
  color: var(--text-inverse);
}

.ysc-footer address {
  font-style: normal;
  color: var(--text-muted);
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: var(--space-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse);
  transition: all 0.2s ease;
}

.social-link:hover {
  background: var(--primary);
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-md);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Utilities */
.text-center { text-align: center; }
.text-lead {
  font-size: 1.25rem;
  color: var(--text-light);
}
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-xl { margin-top: var(--space-xl); }

.mx-auto { margin-left: auto; margin-right: auto; }

/* Map */
.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
  
  .menu {
    gap: var(--space-md);
  }
}

@media (max-width: 768px) {
  .header-inner {
    grid-template-columns: auto 1fr auto;
    grid-template-rows: auto;
    grid-template-areas: "logo title toggle";
    gap: 0.5rem 0.75rem;
  }
  
  .site-title {
    font-size: 1rem;
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  
  .logo img {
    width: 72px;
    height: 48px;
  }
  
  .menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    align-items: stretch;
    grid-area: unset;
    justify-content: flex-start;
    border-top: none;
    padding-top: var(--space-md);
  }
  
  .menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .menu-item {
    width: 100%;
  }
  
  .menu-item.has-submenu {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    border-bottom: 1px solid var(--bg-alt);
    padding-bottom: 0.5rem;
  }
  
  .menu-item.has-submenu .menu-link {
    flex: 1;
    display: flex;
    align-items: center;
    padding: 0.75rem 0;
  }
  
  .menu-link {
    padding: 0.75rem 0;
    font-size: 1.125rem;
    font-weight: 600;
  }
  
  .submenu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    min-height: 48px;
    margin: -0.5rem -0.5rem -0.5rem 0;
    background: var(--bg-alt);
    border-radius: var(--radius);
  }
  
  .submenu-toggle:active {
    background: var(--primary);
    color: white;
  }
  
  .menu-item.active .submenu-icon {
    transform: rotate(180deg);
  }
  
  .submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--bg-alt);
    border-radius: var(--radius);
    margin-top: 0.5rem;
    display: none;
    width: 100%;
    overflow: hidden;
  }
  
  .menu-item.active .submenu {
    display: block;
  }
  
  .submenu-link {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    font-size: 1rem;
  }
  
  .submenu-link:last-child {
    border-bottom: none;
  }
  
  .menu-item.active .submenu-icon {
    transform: rotate(180deg);
  }
  
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .stats {
    grid-template-columns: 1fr;
  }
  
  .hero {
    min-height: 60vh;
  }
}

/* Contact Card */
.contact-card {
  max-width: 400px;
  margin: 0 auto;
}

/* Events List */
.events-list {
  max-width: 800px;
  margin: 0 auto;
}

/* Board / Vorstand Grid */
.board-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.board-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  transition: transform 0.2s, box-shadow 0.2s;
}

.board-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.board-card-image {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--bg-alt);
}

.board-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.board-card-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.board-card-content {
  padding: var(--space-md);
  text-align: center;
}

.board-card-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--space-xs);
}

.board-card-position {
  color: var(--primary);
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: var(--space-xs);
}

.board-card-contact {
  font-size: 0.8rem;
  margin: 0.15rem 0;
}

.board-card-contact a {
  color: var(--text-light);
  text-decoration: none;
}

.board-card-contact a:hover {
  color: var(--primary);
}

.board-card-phone a::before {
  content: '📞 ';
}

.board-card-email a::before {
  content: '✉️ ';
}

@media (max-width: 768px) {
  .board-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
  
  .board-card-name {
    font-size: 1.1rem;
  }
  
  .board-card-position {
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  .board-grid {
    grid-template-columns: 1fr;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* Board Contacts */
.board-contacts {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.board-contacts h2 {
  text-align: center;
  margin-bottom: var(--space-md);
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--bg-alt);
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-item dt {
  font-weight: 600;
  color: var(--text);
  min-width: 180px;
}

.contact-item dd {
  margin: 0;
}

.contact-item dd a {
  color: var(--primary);
  text-decoration: none;
}

.contact-item dd a:hover {
  text-decoration: underline;
}

@media (max-width: 480px) {
  .contact-item {
    flex-direction: column;
    gap: 0.25rem;
  }
  
  .contact-item dt {
    min-width: auto;
  }
}


/* ========================================
   Group Page Sidebar
   ======================================== */

.group-layout {
  align-items: start;
}

.group-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.sidebar-section {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--bg-alt);
}

.sidebar-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 var(--space-md) 0;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--bg-alt);
  color: var(--text);
}

/* Document list in sidebar */
.group-sidebar .document-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.group-sidebar .document-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background: var(--bg-alt);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  transition: all 0.2s ease;
}

.group-sidebar .document-item:hover {
  background: var(--primary-lightest, #e0f2fe);
  color: var(--primary);
}

.group-sidebar .file-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border-radius: var(--radius);
  flex-shrink: 0;
}

.group-sidebar .file-extension {
  font-size: 0.5625rem;
  font-weight: 700;
  color: white;
  background: var(--text-muted);
  padding: 1px 3px;
  border-radius: 3px;
  text-transform: uppercase;
}

.group-sidebar .file-icon-pdf .file-extension { background: #dc2626; }
.group-sidebar .file-icon-doc .file-extension,
.group-sidebar .file-icon-docx .file-extension { background: #2563eb; }
.group-sidebar .file-icon-xls .file-extension,
.group-sidebar .file-icon-xlsx .file-extension { background: #16a34a; }
.group-sidebar .file-icon-ppt .file-extension,
.group-sidebar .file-icon-pptx .file-extension { background: #d97706; }
.group-sidebar .file-icon-zip .file-extension,
.group-sidebar .file-icon-rar .file-extension,
.group-sidebar .file-icon-7z .file-extension { background: #7c3aed; }
.group-sidebar .file-icon-jpg .file-extension,
.group-sidebar .file-icon-jpeg .file-extension,
.group-sidebar .file-icon-png .file-extension,
.group-sidebar .file-icon-gif .file-extension,
.group-sidebar .file-icon-webp .file-extension { background: #0891b2; }

.group-sidebar .file-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.group-sidebar .file-name {
  font-size: 0.875rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.group-sidebar .file-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.group-sidebar .file-action {
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.group-sidebar .document-item:hover .file-action {
  color: var(--primary);
}

/* Contact card in sidebar */
.group-sidebar .contact-card {
  background: var(--bg-alt);
  border: none;
  box-shadow: none;
  padding: var(--space-md);
}

.group-sidebar .contact-name {
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.group-sidebar .contact-link {
  font-size: 0.875rem;
  margin-bottom: var(--space-xs);
}

.group-sidebar .contact-link a {
  color: var(--primary);
  text-decoration: none;
}

.group-sidebar .contact-link a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .group-layout {
    grid-template-columns: 1fr;
  }
  
  .group-sidebar {
    order: -1;
  }
}