/* ============================================
   Heinershütte – Modern Redesign
   ============================================ */

:root {
  --color-primary: #2d6a4f;
  --color-primary-light: #40916c;
  --color-primary-dark: #1b4332;
  --color-accent: #1a8fa0;
  --color-accent-light: #52b788;
  --color-warm: #d4a373;
  --color-warm-light: #e9c46a;

  --color-bg: #fefcf8;
  --color-bg-alt: #f5f0e8;
  --color-bg-dark: #1b2e1f;

  --color-text: #2c3e2d;
  --color-text-light: #5f7161;
  --color-text-muted: #8a9a8c;
  --color-text-inverse: #f5f0e8;

  --color-border: #d4cfc5;
  --color-border-light: #e8e3d9;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
  --shadow-xl: 0 24px 60px rgba(0,0,0,0.12);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-primary-dark);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition);
}

.nav.scrolled {
  background: rgba(254, 252, 248, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  transition: color var(--transition);
}

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

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.02em;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: currentColor;
  transition: width var(--transition);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav.scrolled .nav-links a {
  color: var(--color-text);
}

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

.nav.scrolled .nav-links a:hover {
  color: var(--color-primary);
}

.nav-cta {
  background: rgba(255,255,255,0.15);
  padding: 8px 20px !important;
  border-radius: 100px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.25);
}

.nav-cta::after {
  display: none !important;
}

.nav.scrolled .nav-cta {
  background: var(--color-primary) !important;
  color: white !important;
  border-color: var(--color-primary);
}

.nav.scrolled .nav-cta:hover {
  background: var(--color-primary-light) !important;
}

/* Language Toggle */
.lang-toggle-wrapper {
  margin-left: 4px;
}

.lang-toggle {
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 100px;
  padding: 5px 12px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.7);
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 4px;
}

.lang-toggle:hover {
  border-color: rgba(255,255,255,0.6);
  color: white;
}

.nav.scrolled .lang-toggle {
  color: var(--color-text-muted);
  border-color: var(--color-border);
}

.nav.scrolled .lang-toggle:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.lang-option {
  transition: opacity var(--transition);
  opacity: 0.5;
}

.lang-option.lang-active {
  opacity: 1;
}

.lang-divider {
  opacity: 0.3;
  font-weight: 300;
}

/* Mobile Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: all var(--transition);
}

.nav.scrolled .nav-toggle span {
  background: var(--color-text);
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url('../images/huette.jpg') center center / cover no-repeat;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(27, 67, 50, 0.55) 0%,
    rgba(27, 67, 50, 0.35) 40%,
    rgba(27, 46, 31, 0.6) 100%
  );
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: none;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 700px;
  padding: 0 24px;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  color: white;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-style: italic;
  color: rgba(255,255,255,0.8);
  margin-bottom: 24px;
  font-weight: 400;
}

.hero-desc {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: white;
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 1.5px solid rgba(255,255,255,0.4);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
  color: white;
}

.btn-secondary {
  background: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--color-primary-light);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-large {
  padding: 16px 40px;
  font-size: 1rem;
}

/* ============================================
   Highlights Bar
   ============================================ */
.highlights {
  background: white;
  padding: 0;
  margin-top: -40px;
  position: relative;
  z-index: 10;
}

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 28px 24px;
  border-right: 1px solid var(--color-border-light);
}

.highlight-item:last-child {
  border-right: none;
}

.highlight-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.highlight-icon svg {
  width: 28px;
  height: 28px;
}

.highlight-item strong {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text);
}

.highlight-item span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ============================================
   Sections
   ============================================ */
.section {
  padding: 100px 0;
}

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

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
}

.section-intro {
  font-size: 1.1rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ============================================
   Features Grid (Die Hütte)
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all var(--transition);
  border: 1px solid var(--color-border-light);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  color: white;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ============================================
   Gallery Bar (Bilder der Hütte)
   ============================================ */
.gallery-bar {
  margin-top: 48px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  background: white;
}

.gallery-bar-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  background: var(--color-bg-alt);
  border: none;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  transition: background var(--transition), color var(--transition);
}

.gallery-bar-toggle:hover {
  background: var(--color-primary);
  color: white;
}

.gallery-bar-toggle:hover .gallery-chevron {
  stroke: white;
}

.gallery-chevron {
  stroke: var(--color-primary);
  transition: transform 0.35s ease, stroke var(--transition);
  flex-shrink: 0;
}

.gallery-bar.open .gallery-chevron {
  transform: rotate(180deg);
}

.gallery-bar-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-bar.open .gallery-bar-content {
  max-height: 6000px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding: 6px;
}

.gallery-grid img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 4px;
  transition: transform var(--transition), opacity var(--transition);
}

.gallery-grid img:hover {
  opacity: 0.88;
}

@media (max-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
    padding: 4px;
  }

  .gallery-grid img {
    height: 140px;
  }
}

/* ============================================
   Solaranlage
   ============================================ */
.split-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.split-text h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 20px;
}

.split-text p {
  color: var(--color-text-light);
  margin-bottom: 16px;
  line-height: 1.8;
}

.info-box {
  background: white;
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 24px;
  border-left: 4px solid var(--color-primary);
}

.info-box h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 12px;
  color: var(--color-primary-dark);
}

.info-box ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.info-box li {
  padding-left: 20px;
  position: relative;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.info-box li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent-light);
}

.solar-card {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  color: white;
}

.solar-icon {
  margin-bottom: 32px;
}

.solar-icon svg {
  width: 80px;
  height: 80px;
  margin: 0 auto;
  color: var(--color-warm-light);
}

.solar-stats {
  display: flex;
  gap: 32px;
  justify-content: center;
}

.solar-stat {
  display: flex;
  flex-direction: column;
}

.solar-stat-value {
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-heading);
}

.solar-stat-label {
  font-size: 0.8rem;
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================
   Directions (Lage & Anfahrt)
   ============================================ */
.directions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}

.direction-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 36px;
  border: 1px solid var(--color-border-light);
}

.direction-card h3 {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.3rem;
  margin-bottom: 20px;
  color: var(--color-primary-dark);
}

.direction-card h3 svg {
  color: var(--color-primary);
}

.direction-steps {
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.direction-steps li {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.6;
  padding-left: 8px;
}

.direction-steps li::marker {
  color: var(--color-primary);
  font-weight: 600;
}

.direction-note {
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.distance-table {
  margin-top: 24px;
}

.distance-table h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 12px;
  color: var(--color-text);
}

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

.distance-table th,
.distance-table td {
  text-align: left;
  padding: 10px 12px;
  font-size: 0.9rem;
}

.distance-table th {
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 2px solid var(--color-border-light);
}

.distance-table td {
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-light);
}

.distance-table tr:last-child td {
  border-bottom: none;
}

.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

/* ============================================
   Booking
   ============================================ */
.booking-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.booking-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 36px;
  border: 1px solid var(--color-border-light);
}

.booking-card h3 {
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.booking-card p {
  color: var(--color-text-light);
  margin-bottom: 12px;
  line-height: 1.7;
}

.booking-card hr {
  border: none;
  border-top: 1px solid var(--color-border-light);
  margin: 20px 0;
}

.booking-card-main {
  grid-row: span 2;
  background: linear-gradient(to bottom right, white, #f0faf4);
  border-color: var(--color-accent-light);
}

.booking-card-reserve {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 36px;
}

.price-display {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 12px;
}

.price-amount {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1;
}

.price-currency {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.price-period {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.price-detail {
  font-weight: 500;
  color: var(--color-text) !important;
}

.price-note {
  font-style: italic;
  color: var(--color-text-muted) !important;
}

.booking-card-calendar {
  grid-column: 1 / -1;
}

.calendar-embed {
  margin-top: 16px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #f8f8f8;
}

.calendar-embed iframe {
  width: 100%;
  height: 500px;
  border: none;
  display: block;
}

/* ============================================
   Brienz
   ============================================ */
.brienz-text p {
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 32px;
  font-size: 1.05rem;
}

.brienz-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.brienz-info-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--color-border-light);
}

.brienz-info-card h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 12px;
  color: var(--color-primary-dark);
}

.brienz-info-card p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: 0;
}

.brienz-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.brienz-gallery img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition);
}

.brienz-gallery img:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-lg);
}

.brienz-info-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.brienz-info-card li {
  font-size: 0.95rem;
  color: var(--color-text-light);
  padding-left: 16px;
  position: relative;
}

.brienz-info-card li::before {
  content: '·';
  position: absolute;
  left: 0;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1.2rem;
}

.brienz-links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.brienz-links h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-right: 8px;
}

.brienz-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition);
}

.brienz-links a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* ============================================
   Activities
   ============================================ */
.activities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.activity-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 0;
  border: 1px solid var(--color-border-light);
  transition: all var(--transition);
  overflow: hidden;
}

.activity-card-header {
  padding: 36px;
  cursor: pointer;
  position: relative;
}

.activity-expandable .activity-card-header::after {
  content: '';
  position: absolute;
  right: 24px;
  top: 40px;
  width: 10px;
  height: 10px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  opacity: 0.4;
  transition: transform var(--transition), opacity var(--transition);
}

.activity-expandable[data-expanded="true"] .activity-card-header::after {
  transform: rotate(-135deg);
  opacity: 0.7;
}

.activity-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.activity-card-featured {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: white;
  border: none;
}

.activity-card-featured .activity-card-header::after {
  color: white;
}

.activity-card-featured h3 {
  color: white;
}

.activity-card-featured p {
  color: rgba(255,255,255,0.8) !important;
}

.activity-expand-hint {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  opacity: 0.7;
  transition: opacity var(--transition);
}

.activity-card-featured .activity-expand-hint {
  color: var(--color-warm-light);
}

.activity-expandable[data-expanded="true"] .activity-expand-hint {
  display: none;
}

.activity-card-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
  padding: 0 36px;
}

.activity-expandable[data-expanded="true"] .activity-card-detail {
  max-height: 1200px;
  padding: 0 36px 36px;
}

.activity-detail-img {
  width: 100%;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  object-fit: cover;
}

.activity-detail-img-small {
  max-width: 400px;
}

.activity-link {
  margin-top: 8px;
}

.activity-card-featured .activity-link {
  border-color: rgba(255,255,255,0.5);
  color: white;
}

.activity-card-featured .activity-link:hover {
  background: rgba(255,255,255,0.15);
  border-color: white;
  color: white;
}

.activity-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  color: var(--color-primary);
}

.activity-card-featured .activity-icon {
  background: rgba(255,255,255,0.15);
  color: var(--color-warm-light);
}

.activity-icon svg {
  width: 26px;
  height: 26px;
}

.activity-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.activity-card p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 12px;
}

/* Hike list */
.hike-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 16px 0;
}

.hike-item {
  padding: 16px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-primary);
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.hike-img {
  width: 140px;
  height: 100px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.expandable-img {
  cursor: zoom-in;
  transition: transform var(--transition), box-shadow var(--transition);
}

.expandable-img:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-md);
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.9);
  align-items: center;
  justify-content: center;
  padding: 24px;
  cursor: zoom-out;
  animation: lightbox-in 0.25s ease;
}

.lightbox.active {
  display: flex;
}

@keyframes lightbox-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 0 60px rgba(0,0,0,0.5);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 28px;
  background: none;
  border: none;
  color: white;
  font-size: 2.5rem;
  cursor: pointer;
  line-height: 1;
  opacity: 0.7;
  transition: opacity var(--transition);
  z-index: 10000;
}

.lightbox-close:hover {
  opacity: 1;
}

.hike-item h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 4px;
  color: var(--color-primary-dark);
}

.hike-meta {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.hike-item p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ============================================
   Contact / Form
   ============================================ */
.section-contact {
  background: linear-gradient(to bottom, var(--color-bg), var(--color-bg-alt));
}

.contact-form {
  max-width: 700px;
  margin: 0 auto;
  background: white;
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}

.form-row .form-group {
  margin-bottom: 0;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: all var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.1);
}

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

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form .btn {
  width: 100%;
  justify-content: center;
  background: var(--color-primary);
  color: white;
}

.contact-form .btn:hover {
  background: var(--color-primary-light);
  color: white;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding: 64px 0 32px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand h3 {
  font-size: 1.6rem;
  color: white;
  margin-bottom: 12px;
}

.footer-brand p {
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
}

.footer-nav h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 16px;
}

.footer-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav a {
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.35);
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .activities-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .activity-card-featured {
    grid-column: span 2;
  }

  .split-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: white;
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 0;
    box-shadow: var(--shadow-xl);
    transition: right var(--transition);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 14px 0;
    color: var(--color-text) !important;
    font-size: 1rem;
    border-bottom: 1px solid var(--color-border-light);
  }

  .nav-links a::after {
    display: none;
  }

  .nav-cta {
    background: var(--color-primary) !important;
    color: white !important;
    text-align: center;
    border-radius: var(--radius-sm) !important;
    margin-top: 16px;
    border: none !important;
  }

  .lang-toggle-wrapper {
    margin-left: 0;
    padding-top: 8px;
  }

  .lang-toggle {
    color: var(--color-text-muted) !important;
    border-color: var(--color-border) !important;
  }

  .highlights-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .highlight-item:nth-child(2) {
    border-right: none;
  }

  .highlight-item:nth-child(3),
  .highlight-item:nth-child(4) {
    border-top: 1px solid var(--color-border-light);
  }

  .highlight-item:nth-child(3) {
    border-right: 1px solid var(--color-border-light);
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .directions-grid {
    grid-template-columns: 1fr;
  }

  .booking-grid {
    grid-template-columns: 1fr;
  }

  .booking-card-main {
    grid-row: auto;
  }

  .calendar-embed iframe {
    height: 400px;
  }

  .brienz-info-grid {
    grid-template-columns: 1fr;
  }

  .brienz-gallery {
    grid-template-columns: 1fr;
  }

  .brienz-gallery img {
    height: 200px;
  }

  .activities-grid {
    grid-template-columns: 1fr;
  }

  .activity-card-featured {
    grid-column: auto;
  }

  .activity-detail-img-small {
    max-width: 100%;
  }

  .hike-item {
    flex-direction: column;
  }

  .hike-img {
    width: 100%;
    height: 180px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 32px 24px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .section {
    padding: 64px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }
}

@media (max-width: 480px) {
  .highlights-grid {
    grid-template-columns: 1fr;
  }

  .highlight-item {
    border-right: none !important;
    border-bottom: 1px solid var(--color-border-light);
  }

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

  .highlight-item:nth-child(3),
  .highlight-item:nth-child(4) {
    border-top: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

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

  .solar-stats {
    flex-direction: column;
    gap: 16px;
  }
}