/* ===== CSS Variables - Warm, Community-Focused Palette ===== */
:root {
  /* Earthy, warm colors */
  --color-primary: #588157;
  --color-primary-dark: #3A5A40;
  --color-primary-light: #A3B18A;
  --color-accent: #E76F51;
  --color-accent-light: #F4A261;
  --color-warm: #DDA15E;
  
  /* Neutrals */
  --color-bg: #FEFAE0;
  --color-bg-alt: #FAEDCD;
  --color-surface: #FFFFFF;
  --color-text: #344E41;
  --color-text-light: #5C7A5E;
  --color-text-muted: #8FA88C;
  
  /* Spacing (8pt grid) */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  
  /* Typography */
  --font-primary: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-display: Georgia, 'Times New Roman', serif;
  
  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, select {
  font-family: inherit;
  font-size: inherit;
}

ul {
  list-style: none;
}

/* ===== Container ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ===== Typography ===== */
h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.2;
  color: var(--color-primary-dark);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 600;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  min-height: 44px;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 4px 12px rgba(88, 129, 87, 0.3);
}

.btn-large {
  padding: var(--space-md) var(--space-xl);
  font-size: 1.125rem;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-primary-light);
  padding: var(--space-md) 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--color-primary-dark);
  transition: color var(--transition-fast);
}

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

.equinox-wordmark {
  width: clamp(132px, 17vw, 178px);
  height: auto;
  overflow: visible;
}

.equinox-wordmark text {
  fill: currentColor;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 5px;
}

.club-name {
  padding-left: var(--space-md);
  border-left: 1px solid currentColor;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.2;
  text-transform: uppercase;
}

.main-nav .nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-list a {
  font-weight: 500;
  color: var(--color-text);
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-list a:hover {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

.nav-list .btn-primary,
.nav-list .btn-primary:hover {
  color: white;
  background: var(--color-primary);
}

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

.nav-list a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  align-items: center;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: all var(--transition-fast);
}

/* ===== Hero Section ===== */
.hero {
  padding: var(--space-3xl) 0;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-content h1 {
  margin-bottom: var(--space-lg);
}

.hero-content p {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
  max-width: 480px;
}

.hero-stats {
  display: flex;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-display);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-illustration {
  width: 100%;
  max-width: 400px;
  filter: drop-shadow(0 8px 24px rgba(58, 90, 64, 0.15));
}

/* ===== Sections ===== */
.section {
  padding: var(--space-4xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header p {
  color: var(--color-text-light);
  font-size: 1.125rem;
  margin-top: var(--space-sm);
}

/* ===== Schedule Section ===== */
.schedule-section {
  background: var(--color-surface);
}

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.schedule-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 2px solid transparent;
  transition: all var(--transition-base);
}

.schedule-card:hover {
  border-color: var(--color-primary-light);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(88, 129, 87, 0.12);
}

.schedule-card.featured {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, var(--color-bg) 0%, #FEF3E8 100%);
}

.schedule-day {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.schedule-time {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-sm);
}

.schedule-card h3 {
  margin-bottom: var(--space-sm);
}

.schedule-details {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.schedule-details span {
  font-size: 0.875rem;
  color: var(--color-text-light);
  background: var(--color-surface);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
}

.schedule-location {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.schedule-location svg {
  flex-shrink: 0;
}

.difficulty {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.difficulty.easy {
  background: #D4EDDA;
  color: #155724;
}

.difficulty.intermediate {
  background: #FFF3CD;
  color: #856404;
}

.difficulty.advanced {
  background: #E7D8F5;
  color: #5A2D82;
}

.schedule-note {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
  padding: var(--space-md);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  color: var(--color-text-light);
  font-size: 0.9375rem;
}

.schedule-note svg {
  flex-shrink: 0;
  color: var(--color-warm);
}

/* ===== Leaderboard Section ===== */
.leaderboard-section {
  background: var(--color-bg-alt);
}

.leaderboard-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.filter-tabs {
  display: flex;
  gap: var(--space-xs);
  background: var(--color-surface);
  padding: var(--space-xs);
  border-radius: var(--radius-full);
}

.filter-tab {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  min-height: 44px;
}

.filter-tab:hover {
  color: var(--color-text);
  background: var(--color-bg);
}

.filter-tab.active {
  background: var(--color-primary);
  color: white;
}

.filter-tab:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.time-filter select {
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--color-primary-light);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  min-height: 44px;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.time-filter select:hover,
.time-filter select:focus {
  border-color: var(--color-primary);
  outline: none;
}

.leaderboard-table-wrapper {
  overflow-x: auto;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 16px rgba(58, 90, 64, 0.08);
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
}

.leaderboard-table th,
.leaderboard-table td {
  padding: var(--space-md);
  text-align: left;
}

.leaderboard-table th {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--color-bg);
  white-space: nowrap;
}

.leaderboard-table th.sortable {
  cursor: pointer;
  transition: color var(--transition-fast);
}

.leaderboard-table th.sortable:hover {
  color: var(--color-primary);
}

.leaderboard-table th.active {
  color: var(--color-primary);
}

.sort-arrow {
  margin-left: var(--space-xs);
}

.leaderboard-table tbody tr {
  border-bottom: 1px solid var(--color-bg);
  transition: background var(--transition-fast);
}

.leaderboard-table tbody tr:hover {
  background: var(--color-bg);
}

.leaderboard-table tbody tr:last-child {
  border-bottom: none;
}

.empty-leaderboard td {
  padding: var(--space-2xl);
  color: var(--color-text-light);
  text-align: center;
}

.empty-leaderboard a {
  color: var(--color-primary-dark);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.rank-cell {
  font-weight: 700;
  color: var(--color-text-muted);
}

.rank-cell.top-3 {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 0.875rem;
}

.rank-cell.rank-1 {
  background: linear-gradient(135deg, #FFD700, #FFA500);
  color: white;
}

.rank-cell.rank-2 {
  background: linear-gradient(135deg, #C0C0C0, #A0A0A0);
  color: white;
}

.rank-cell.rank-3 {
  background: linear-gradient(135deg, #CD7F32, #A0522D);
  color: white;
}

.runner-cell {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.runner-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--color-primary-dark);
  font-size: 0.875rem;
}

.runner-name {
  font-weight: 500;
}

.add-stats-section {
  margin-top: var(--space-2xl);
  padding: var(--space-xl);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 16px rgba(58, 90, 64, 0.08);
}

.add-stats-section h3 {
  margin-bottom: var(--space-lg);
  text-align: center;
}

.stats-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

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

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
}

.form-group input {
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--color-primary-light);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 44px;
  transition: all var(--transition-fast);
}

.form-group input:hover {
  border-color: var(--color-primary);
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-surface);
  box-shadow: 0 0 0 3px rgba(88, 129, 87, 0.15);
}

.form-group input::placeholder {
  color: var(--color-text-muted);
}

.stats-form .btn {
  width: 100%;
  margin-top: var(--space-sm);
}

/* ===== Stretching Section ===== */
.stretching-section {
  background: var(--color-surface);
}

.stretch-categories {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.stretch-cat-btn {
  padding: var(--space-sm) var(--space-lg);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-light);
  background: var(--color-bg);
  border: 2px solid var(--color-bg);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  min-height: 44px;
}

.stretch-cat-btn:hover {
  border-color: var(--color-primary-light);
  color: var(--color-text);
}

.stretch-cat-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.stretch-cat-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.stretches-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-lg);
}

.stretch-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.stretch-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(88, 129, 87, 0.12);
}

.stretch-illustration {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stretch-card h4 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-sm);
}

.stretch-card p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

.stretch-duration {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-surface);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
}

.stretch-tips {
  margin-top: var(--space-2xl);
  padding: var(--space-xl);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
}

.stretch-tips h3 {
  margin-bottom: var(--space-md);
}

.stretch-tips ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
}

.stretch-tips li {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  padding-left: var(--space-lg);
  position: relative;
}

.stretch-tips li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
}

/* ===== Join Section ===== */
.join-section {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: white;
}

.join-content {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.join-content h2 {
  color: white;
  margin-bottom: var(--space-md);
}

.join-content > p {
  opacity: 0.9;
  margin-bottom: var(--space-xl);
}

.join-benefits {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.benefit {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 500;
}

.benefit svg {
  color: var(--color-accent-light);
}

.join-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.join-form .form-row {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.join-form input {
  padding: var(--space-md);
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.1);
  color: white;
  min-width: 240px;
  min-height: 48px;
  transition: all var(--transition-fast);
}

.join-form input::placeholder {
  color: rgba(255,255,255,0.6);
}

.join-form input:hover {
  border-color: rgba(255,255,255,0.5);
}

.join-form input:focus {
  outline: none;
  border-color: white;
  background: rgba(255,255,255,0.2);
}

.join-form .btn {
  background: var(--color-accent);
  color: white;
}

.join-form .btn:hover {
  background: var(--color-accent-light);
  color: var(--color-primary-dark);
}

.join-note {
  font-size: 0.875rem;
  opacity: 0.8;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-primary-dark);
  color: var(--color-primary-light);
  padding: var(--space-xl) 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: white;
}

.footer-brand .equinox-wordmark {
  width: 136px;
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

.footer-tagline {
  font-size: 0.875rem;
  opacity: 0.7;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }
  
  .main-nav .nav-list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg);
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-primary-light);
    gap: var(--space-sm);
    display: none;
  }
  
  .main-nav .nav-list.active {
    display: flex;
  }
  
  .nav-list a,
  .nav-list .btn {
    width: 100%;
    text-align: center;
    padding: var(--space-md);
  }
  
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .hero-visual {
    order: -1;
  }
  
  .hero-illustration {
    max-width: 280px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .leaderboard-controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .filter-tabs {
    justify-content: center;
  }
  
  .join-form input {
    min-width: 100%;
  }
}

@media (max-width: 480px) {
  .logo {
    gap: var(--space-sm);
  }

  .club-name {
    padding-left: var(--space-sm);
    font-size: 0.5625rem;
  }

  .site-header .equinox-wordmark {
    width: 118px;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .filter-tabs {
    flex-wrap: wrap;
  }
  
  .filter-tab {
    flex: 1;
    min-width: 80px;
  }
  
  .stretch-categories {
    flex-direction: column;
    align-items: stretch;
  }
  
  .join-benefits {
    flex-direction: column;
    align-items: center;
  }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.schedule-card,
.stretch-card {
  animation: fadeInUp 0.5s ease backwards;
}

.schedule-card:nth-child(1) { animation-delay: 0.1s; }
.schedule-card:nth-child(2) { animation-delay: 0.2s; }
.schedule-card:nth-child(3) { animation-delay: 0.3s; }

/* ===== Toast Notification ===== */
.toast {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  background: var(--color-primary-dark);
  color: white;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-base);
  z-index: 1000;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success {
  background: var(--color-primary);
}

.toast.error {
  background: var(--color-accent);
}