/* ==========================================================================
   Базовые стили и сброс
   ========================================================================== */
:root {
  /* Цветовая схема */
  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-serif: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-mono: 'Lucida Console', Monaco, monospace;
  --bg-primary: #f8f9fa;
  --bg-secondary: #e9ecef;
  --text-primary: #212529;
  --text-secondary: #495057;
  --accent: #4a6fa5;
  --accent-hover: #3a5a8c;
  --card-shadow: 0 8px 20px rgba(0,0,0,.08);
  --transition: all .3s ease;
}

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

body {
  min-height: 100vh;
  font-family: var(--font-serif);
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  text-rendering: optimizeSpeed;
}

/* Утилиты для доступности */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent);
  color: white;
  padding: .5rem;
  z-index: 100;
  transition: top .3s;
}

.skip-link:focus {
  top: 0;
}

/* Контейнеры */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ==========================================================================
   Шапка сайта
   ========================================================================== */
.nature-header {
  position: relative;
  padding: 4rem 1rem;
  text-align: center;
  background: linear-gradient(135deg, rgba(230,240,255,.6), rgba(208,227,255,.8)), 
              url(/st/img/fon.webp) center/cover no-repeat;
  overflow: hidden;
  border-bottom: 1px solid rgba(74, 111, 165, 0.2);
}

.nature-header-content {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.logo-container {
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  background: rgba(255,255,255,0.8);
  padding: 1.5rem 2rem;
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.3);
}

.logo-container:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(0,0,0,.15);
  background: rgba(255,255,255,0.9);
}

.nature-logo {
  width: 70px;
  height: 70px;
  transition: all 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  filter: drop-shadow(0 2px 4px rgba(0,0,0,.1));
}

.logo-container:hover .nature-logo {
  transform: rotate(10deg) scale(1.1);
  filter: drop-shadow(0 4px 8px rgba(0,0,0,.15));
}

.logo-text h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: #2c4c7c;
  margin: 0;
  text-align: left;
  transition: color 0.3s ease;
}

.logo-container:hover .logo-text h1 {
  color: var(--accent);
  text-shadow: 0 2px 4px rgba(0,0,0,.05);
}

.logo-text p {
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text-secondary);
  margin: 0.3rem 0 0;
  text-align: left;
  transition: color 0.3s ease;
}

/* ==========================================================================
   Основное содержимое
   ========================================================================== */
.lead-block {
  padding: 3rem 1rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.lead-block h2 {
  font-size: 1.8rem;
  font-weight:300;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.lead-block p {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Блок особенностей
   ========================================================================== */
.features {
  padding: 4rem 0;
  background-color: var(--bg-secondary);
  border-radius: 1rem;
  margin: 2rem auto;
}

.features__grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .features__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: white;
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  box-shadow: 0 6px 16px rgba(0,0,0,.06);
  transition: var(--transition);
  height: 100%;
  border: 1px solid #e0e7f0;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0,0,0,.1);
}

.feature-icon {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.4rem;
  margin-bottom: .8rem;
}

/* ==========================================================================
   Карточки достопримечательностей
   ========================================================================== */
.cards-grid {
  display: grid;
  gap: 1.8rem;
  padding: 2rem 0;
}

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

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

.card-attraction {
  border: none;
  border-radius: 16px;
  overflow: hidden;
  background: white;
  box-shadow: 0 8px 20px rgba(0,0,0,.07);
  transition: var(--transition);
  border: 1px solid #e8f0fc;
  display: flex;
  flex-direction: column;
  height: 100%;
  border-bottom: 3px solid transparent;
}

.card-attraction:hover {
  transform: scale(1.04);
  box-shadow: 0 14px 30px rgba(0,0,0,.12);
  border-bottom-color: var(--accent);
}

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

.card-body {
  padding: 1.4rem;
  flex: 1;
}

.card-country {
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.card-title {
  font-size: 1.3rem;
  margin: .6rem 0 .8rem;
  color: var(--text-primary);
}

.card-text {
  color: var(--text-secondary);
  font-size: .95rem;
  line-height: 1.6;
}

/* ==========================================================================
   Подвал сайта
   ========================================================================== */
.site-footer {
  padding: 2.5rem 1rem;
  margin-top: 3rem;
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  border-top: 1px solid rgba(74, 111, 165, .1);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(74, 111, 165, .1), rgba(74, 111, 165, .05));
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.footer-copyright {
  margin: 0;
  font-size: 0.95rem;
  text-align: center;
  line-height: 1.6;
}

.footer-logo {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--accent);
  display: inline-block;
  transition: transform 0.3s ease;
}

.footer-logo:hover {
  transform: translateY(-1px);
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  padding-bottom: 2px;
}

.footer-link:hover {
  color: var(--accent);
}

.footer-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--accent);
  transition: width 0.3s ease;
}

.footer-link:hover::after {
  width: 100%;
}

.footer-social {
  display: flex;
  gap: 1.5rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--text-secondary);
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.social-link .icon {
  width: 1.5rem;
  height: 1.5rem;
  fill: currentColor;
  transition: all 0.3s ease;
}

.social-link:hover {
  color: var(--accent);
}

.social-link:hover .icon {
  transform: translateY(-3px) scale(1.15);
}

/* ==========================================================================
   Адаптивные стили
   ========================================================================== */
@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  
  .footer-copyright {
    text-align: left;
  }
  
  .logo-container {
    padding: 2rem 3rem;
  }
  
  .nature-logo {
    width: 90px;
    height: 90px;
  }
  
  .logo-text h1 {
    font-size: 2.5rem;
  }
  
  .logo-text p {
    font-size: 1.1rem;
  }
  
  .social-link {
    width: 32px;
    height: 32px;
  }
}

/* ==========================================================================
   Анимации
   ========================================================================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 0.5s ease-in;
}