/* 
 * Earls Colne Millennium Green Trust - Main Stylesheet
 * Modern, accessible, mobile-first design system
 * Nature-inspired color palette
 */

:root {
  /* Nature-inspired color palette */
  --color-primary: #2d5a27;      /* Deep forest green */
  --color-primary-light: #4a7c3a; /* Lighter green */
  --color-secondary: #3a6b1f;    /* Meadow green */
  --color-accent: #8a9a5b;       /* Sage green */
  --color-accent-light: #b8c6a3; /* Light sage */
  
  /* Neutral colors */
  --color-white: #ffffff;
  --color-off-white: #f8f9f7;
  --color-light-gray: #e8ebe4;
  --color-gray: #6c757d;
  --color-dark-gray: #343a40;
  --color-black: #212529;
  
  /* Semantic colors */
  --color-success: #28a745;
  --color-warning: #ffc107;
  --color-danger: #dc3545;
  --color-info: #17a2b8;
  
  /* Typography */
  --font-heading: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SFMono-Regular', 'Consolas', 'Liberation Mono', 'Menlo', monospace;
  
  /* Spacing */
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;      /* 32px */
  --spacing-xxl: 3rem;     /* 48px */
  
  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Container widths */
  --container-sm: 100%;
  --container-md: 720px;
  --container-lg: 960px;
  --container-xl: 1140px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--color-dark-gray);
  background-color: var(--color-off-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: var(--spacing-md);
}

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

a:hover,
a:focus {
  color: var(--color-primary-light);
  text-decoration: underline;
}

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

/* Utility classes */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center {
  text-align: center;
}

.text-primary {
  color: var(--color-primary);
}

.bg-light {
  background-color: var(--color-light-gray);
}

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

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: 2px solid transparent;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  text-decoration: none;
}

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

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

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--color-primary-light);
  color: var(--color-white);
  text-decoration: none;
}

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

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--color-primary-light);
  color: var(--color-white);
  text-decoration: none;
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover,
.btn-outline:focus {
  background-color: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
}

/* Hero button overrides - white buttons with green text */
.hero .btn {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.hero .btn:hover,
.hero .btn:focus {
  background-color: var(--color-primary-light);
  color: var(--color-white);
  border-color: var(--color-primary-light);
  text-decoration: none;
}

/* Header & Navigation */
.site-header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
}

@media (max-width: 767px) {
  .header-container {
    flex-wrap: wrap;
  }
  
  .logo {
    order: 1;
  }
  
  .nav-toggle {
    order: 2;
    margin-left: auto;
  }
  
  .main-nav {
    order: 3;
    width: 100%;
  }
}

@media (min-width: 768px) {
  .header-container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: 0;
}

.logo:hover,
.logo:focus {
  text-decoration: none;
}

.site-logo {
  height: 72px;
  width: 72px;
  object-fit: contain;
  border-radius: var(--radius-full);
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
  .logo {
    margin-bottom: 0;
  }
}

.logo-img {
  height: 50px;
  width: auto;
}


.nav-toggle {
  display: block;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-primary);
  cursor: pointer;
  padding: var(--spacing-sm);
  margin-left: auto;
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle:focus {
  outline: 2px solid var(--color-accent);
  border-radius: var(--radius-sm);
}

.main-nav {
  width: 100%;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

@media (min-width: 768px) {
  .main-nav {
    max-height: none;
    width: auto;
  }
}

.main-nav.show {
  max-height: 500px;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

@media (min-width: 768px) {
  .nav-list {
    flex-direction: row;
    gap: var(--spacing-lg);
  }
}

.nav-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: 600;
  color: var(--color-dark-gray);
  border-radius: var(--radius-sm);
}

.nav-link:hover,
.nav-link:focus {
  background-color: var(--color-light-gray);
  color: var(--color-primary);
  text-decoration: none;
}

.nav-link.active {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Hero section */
.hero {
  background: linear-gradient(rgba(45, 90, 39, 0.8), rgba(45, 90, 39, 0.9)), url('https://images.pexels.com/photos/16951117/pexels-photo-16951117.jpeg?auto=compress&cs=tinysrgb&w=1200');
  background-size: cover;
  background-position: center;
  color: var(--color-white);
  padding: var(--spacing-xxl) 0;
  text-align: center;
}

.hero-title {
  font-size: 2.5rem;
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.5rem;
  }
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  justify-content: center;
  align-items: center;
}

@media (min-width: 768px) {
  .hero-cta {
    flex-direction: row;
  }
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

@media (min-width: 768px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-body {
  padding: var(--spacing-lg);
}

.card-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--color-dark-gray);
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-dark-gray);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-primary);
  outline: 0;
  box-shadow: 0 0 0 3px rgba(45, 90, 39, 0.25);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

/* Checkboxes */
.checkbox-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.checkbox-input {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--color-primary);
}

.checkbox-label {
  font-weight: normal;
  cursor: pointer;
}

/* Event filters */
.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.filter-btn {
  padding: 0.5rem 1rem;
  background-color: var(--color-light-gray);
  border: 1px solid var(--color-gray);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn:focus {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

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

/* Footer */
.site-footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xxl);
}

.site-footer *:not(.footer-logo) {
  color: var(--color-white);
}

.site-footer a {
  color: var(--color-white);
  opacity: 0.9;
}

.site-footer a:hover,
.site-footer a:focus {
  color: var(--color-white);
  opacity: 1;
  text-decoration: underline;
}

.site-footer h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr 1.5fr;
    align-items: start;
  }
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.footer-links h3 {
  grid-column: 1 / -1;
}

.footer-info {
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-logo {
  display: inline-block;
  height: 48px;
  width: 48px;
  object-fit: contain;
  border-radius: var(--radius-full);
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-sm);
  align-self: flex-start;
}

@media (max-width: 480px) {
  .site-logo {
    height: 48px;
    width: 48px;
  }
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.gallery-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.gallery-item:hover .gallery-img {
  transform: scale(1.05);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  color: var(--color-white);
  padding: var(--spacing-md);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

.gallery-item:hover .gallery-caption {
  transform: translateY(0);
}

/* Seasonal toggle */
.season-toggle {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.season-btn {
  padding: 0.75rem 1.5rem;
  background-color: var(--color-light-gray);
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.season-btn:hover,
.season-btn:focus {
  background-color: var(--color-accent-light);
}

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

/* Alert messages */
.alert {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
}

.alert-success {
  background-color: rgba(40, 167, 69, 0.1);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.alert-warning {
  background-color: rgba(255, 193, 7, 0.1);
  border: 1px solid var(--color-warning);
  color: var(--color-warning);
}

.alert-danger {
  background-color: rgba(220, 53, 69, 0.1);
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-md);
  z-index: 2000;
  box-shadow: var(--shadow-lg);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-banner-content {
  max-width: var(--container-xl);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
}

@media (min-width: 768px) {
  .cookie-banner-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.cookie-banner-text {
  flex: 1;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

.cookie-banner-text a {
  color: var(--color-accent-light);
  text-decoration: underline;
}

.cookie-banner-text a:hover,
.cookie-banner-text a:focus {
  color: var(--color-white);
}

.cookie-banner-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.cookie-banner-btn {
  padding: 0.5rem 1.25rem;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-white);
  background-color: transparent;
  color: var(--color-white);
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.cookie-banner-btn:hover,
.cookie-banner-btn:focus {
  background-color: var(--color-white);
  color: var(--color-primary);
  outline: none;
}

.cookie-banner-btn.accept {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.cookie-banner-btn.accept:hover,
.cookie-banner-btn.accept:focus {
  background-color: var(--color-accent-light);
  color: var(--color-primary);
  border-color: var(--color-accent-light);
}

.cookie-banner-btn.reject {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.cookie-banner-btn.reject:hover,
.cookie-banner-btn.reject:focus {
  background-color: rgba(255, 255, 255, 0.1);
}

/* Main content spacing */
main {
  padding: var(--spacing-xl) 0;
  min-height: 60vh;
}

/* Print styles */
@media print {
  .site-header,
  .site-footer,
  .hero,
  .btn {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }
  
  a {
    color: #000;
    text-decoration: underline;
  }
  
  .container {
    max-width: 100%;
    padding: 0;
  }
}