/* ===================================
   Des Moines Russian Conversation Club
   Forest Dacha Color Palette — VIBRANT
   =================================== */

/* --- CSS Custom Properties --- */
:root {
  /* Forest Dacha Palette - More Vibrant */
  --color-primary: #2D5016;
  --color-primary-light: #3d6b1e;
  --color-primary-soft: rgba(45, 80, 22, 0.1);
  --color-background: #FFFEF7;
  --color-background-alt: #f5f4ed;
  --color-secondary: #8B7355;
  --color-secondary-soft: rgba(139, 115, 85, 0.15);
  --color-accent: #F4D03F;
  --color-accent-hover: #e6c230;
  --color-accent-soft: rgba(244, 208, 63, 0.25);
  --color-text: #2D3436;
  --color-text-muted: #636e72;

  /* New warm colors for sections */
  --color-hero-bg: linear-gradient(135deg, #f8f4e8 0%, #e8f5e0 50%, #fef9e7 100%);
  --color-about-bg: linear-gradient(180deg, #FFFEF7 0%, #f0ead6 100%);
  --color-schedule-bg: linear-gradient(135deg, #e8f5e0 0%, #f5f0dc 100%);
  --color-join-bg: linear-gradient(180deg, #fef9e7 0%, #f4ead0 100%);
  --color-footer-bg: linear-gradient(135deg, #2D5016 0%, #1a3a0d 100%);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-size-base: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;

  /* Layout */
  --max-width: 800px;
  --header-height: 60px;
  --border-radius: 12px;
  --border-radius-lg: 20px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
}

/* --- Dark Mode --- */
[data-theme="dark"] {
  --color-primary: #4A7C23;
  --color-primary-light: #5a9429;
  --color-primary-soft: rgba(74, 124, 35, 0.2);
  --color-background: #1a1a1a;
  --color-background-alt: #252525;
  --color-secondary-soft: rgba(139, 115, 85, 0.2);
  --color-accent-soft: rgba(244, 208, 63, 0.15);
  --color-text: #FFFEF7;
  --color-text-muted: #b0b0b0;

  --color-hero-bg: linear-gradient(135deg, #1f1f1f 0%, #1a2a14 50%, #252015 100%);
  --color-about-bg: linear-gradient(180deg, #1a1a1a 0%, #1f1a14 100%);
  --color-schedule-bg: linear-gradient(135deg, #1a2a14 0%, #1f1a14 100%);
  --color-join-bg: linear-gradient(180deg, #252015 0%, #1f1a14 100%);
  --color-footer-bg: linear-gradient(135deg, #1a3a0d 0%, #0f2008 100%);
}

/* --- Language Toggle Visibility --- */
[data-lang="en"] [lang="ru"] {
  display: none;
}

[data-lang="ru"] [lang="en"] {
  display: none;
}

/* --- Theme Toggle Icon Visibility --- */
[data-theme="light"] .theme-icon-light {
  display: inline;
}

[data-theme="light"] .theme-icon-dark {
  display: none;
}

[data-theme="dark"] .theme-icon-light {
  display: none;
}

[data-theme="dark"] .theme-icon-dark {
  display: inline;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

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

/* --- Header --- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-footer-bg);
  color: white;
  height: var(--header-height);
  box-shadow: 0 4px 20px rgba(45, 80, 22, 0.3);
}

.header-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.logo-icon {
  font-size: 1.5rem;
}

.logo-icon-img {
  height: 40px;
  width: auto;
  border-radius: 6px;
}

.logo-text {
  font-size: var(--font-size-base);
  font-weight: 600;
}

.toggles {
  display: flex;
  gap: var(--spacing-xs);
}

.toggle-btn {
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: var(--font-size-base);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.toggle-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: var(--color-accent);
  transform: translateY(-1px);
}

/* --- Hero Section --- */
.hero {
  text-align: center;
  padding: var(--spacing-2xl) 0;
  background: var(--color-hero-bg);
  position: relative;
  overflow: hidden;
}

/* Decorative accent bar */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-secondary), var(--color-accent), var(--color-primary));
}

.hedgehog-hero {
  margin-bottom: var(--spacing-lg);
}

.hedgehog-hero img {
  max-width: 280px;
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 8px 30px rgba(45, 80, 22, 0.2);
  transition: transform var(--transition-normal);
}

.hedgehog-hero img:hover {
  transform: scale(1.02) rotate(1deg);
}

/* --- Section Mascots --- */
.section-mascot {
  position: absolute;
  top: var(--spacing-lg);
  z-index: 10;
  opacity: 0.9;
  transition: all var(--transition-normal);
}

.section-mascot:hover {
  opacity: 1;
  transform: scale(1.1);
}

.section-mascot-right {
  right: var(--spacing-md);
}

.section-mascot-left {
  left: var(--spacing-md);
}

.section-mascot .mascot-img {
  width: 80px;
  height: auto;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.15));
}

/* Footer mascot */
.footer-mascot {
  margin-bottom: var(--spacing-md);
}

.footer-mascot .mascot-img {
  width: 100px;
  height: auto;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
  transition: transform var(--transition-normal);
}

.footer-mascot .mascot-img:hover {
  transform: scale(1.1) rotate(-3deg);
}

/* Fallback placeholder */
.hedgehog-placeholder {
  margin-bottom: var(--spacing-lg);
}

.hedgehog-emoji {
  font-size: 6rem;
  display: block;
}

.hero h1 {
  font-size: var(--font-size-3xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.tagline {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-accent-soft);
  border-radius: var(--border-radius);
  display: inline-block;
}

/* --- Section Styles --- */
section {
  padding: var(--spacing-2xl) 0;
  position: relative;
}

section h2 {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

/* Section header emoji/icons */
section h2 .section-icon {
  font-size: 1.5rem;
}

/* --- About Section --- */
.about {
  background: var(--color-about-bg);
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
}

.about-content {
  background: var(--color-background);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 2px solid var(--color-primary-soft);
}

.about-content p {
  margin-bottom: var(--spacing-md);
  text-align: center;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.about-content p:last-child {
  margin-bottom: 0;
}

/* --- When & Where Section --- */
.when-where {
  background: var(--color-schedule-bg);
}

.when-where::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: var(--color-primary);
  border-radius: 2px;
}

.schedule-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-lg);
  background: var(--color-background);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  border-left: 4px solid var(--color-accent);
}

.info-icon {
  font-size: 1.5rem;
}

.location {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  background: var(--color-background);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.location address {
  font-style: normal;
  line-height: 1.8;
}

.location strong {
  color: var(--color-primary);
  font-size: var(--font-size-lg);
}

/* --- Map --- */
.map-container {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
  border: 3px solid var(--color-primary);
}

.map-link {
  display: block;
  position: relative;
  text-decoration: none;
}

.map-link iframe {
  display: block;
  width: 100%;
  pointer-events: none;
}

.map-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(45, 80, 22, 0.9));
  color: white;
  padding: var(--spacing-md);
  text-align: center;
  font-weight: 600;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.map-link:hover .map-overlay {
  opacity: 1;
}

/* --- Join Us Section --- */
.join-us {
  background: var(--color-join-bg);
  text-align: center;
}

.join-us::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: var(--color-secondary);
  border-radius: 2px;
}

.join-intro {
  margin-bottom: var(--spacing-lg);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  font-size: var(--font-size-lg);
}

.contact-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.btn-icon {
  font-size: 1.3rem;
}

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

.btn-email:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-accent);
}

.btn-whatsapp {
  background-color: var(--color-accent);
  color: var(--color-text);
  border-color: var(--color-accent);
}

.btn-whatsapp:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-primary);
}

/* --- Calendar Button --- */
.calendar-action {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.btn-calendar {
  background-color: var(--color-secondary);
  color: white;
  border-color: var(--color-secondary);
  cursor: pointer;
}

.btn-calendar:hover {
  background-color: var(--color-primary);
  border-color: var(--color-accent);
}

/* --- Copy Address Button --- */
.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  margin-top: var(--spacing-sm);
  background: var(--color-primary-soft);
  border: 1px solid var(--color-primary);
  border-radius: var(--border-radius);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

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

.btn-copy .copy-icon {
  font-size: 1rem;
}

/* --- Footer --- */
.footer {
  background: var(--color-footer-bg);
  color: white;
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  text-align: center;
  position: relative;
}

/* Decorative top border */
.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-secondary), var(--color-accent));
}

.flags-ribbon {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  font-size: 2rem;
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
}

.flags-ribbon span {
  cursor: default;
  transition: transform var(--transition-fast);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.flags-ribbon span:hover {
  transform: scale(1.3) translateY(-3px);
}

.copyright {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* --- Responsive --- */
@media (max-width: 600px) {
  .header-content {
    padding: 0 var(--spacing-sm);
  }

  .logo-text {
    font-size: 0.8rem;
    line-height: 1.2;
    max-width: 160px;
  }

  .hero {
    padding: var(--spacing-xl) 0;
  }

  .hero h1 {
    font-size: var(--font-size-2xl);
  }

  .hedgehog-hero img {
    max-width: 200px;
  }

  .hedgehog-emoji {
    font-size: 4rem;
  }

  .tagline {
    font-size: var(--font-size-base);
  }

  .schedule-info {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-sm);
    padding: 0 var(--spacing-sm);
  }

  .info-item {
    justify-content: center;
  }

  section {
    padding: var(--spacing-xl) 0;
  }

  section h2 {
    font-size: var(--font-size-xl);
  }

  .contact-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .flags-ribbon {
    font-size: 1.5rem;
    gap: var(--spacing-xs);
  }

  /* Hide section mascots on mobile - they take up too much space */
  .section-mascot {
    display: none;
  }

  .footer-mascot .mascot-img {
    width: 80px;
  }
}

/* --- Print Styles --- */
@media print {
  .header,
  .map-container,
  .contact-buttons,
  .toggles {
    display: none;
  }

  body {
    color: black;
    background: white;
  }

  section {
    background: white !important;
  }
}

/* --- Easter Egg Hints --- */
#footer-yozhik {
  cursor: pointer;
  transition: transform var(--transition-fast), filter var(--transition-fast);
  /* Critical for Android touch events */
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

#footer-yozhik.easter-hint-1 {
  animation: wiggle 0.3s ease;
}

#footer-yozhik.easter-hint-2 {
  animation: wiggle 0.3s ease;
  filter: drop-shadow(0 0 10px var(--color-accent));
}

#footer-yozhik.easter-activated {
  animation: spin-away 0.5s ease forwards;
}

@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-10deg); }
  75% { transform: rotate(10deg); }
}

@keyframes spin-away {
  0% { transform: scale(1) rotate(0deg); opacity: 1; }
  100% { transform: scale(2) rotate(360deg); opacity: 0; }
}