/* CSS Reset & Variable Definitions */
:root {
  --aegean: #0f4c81; /* Classic Rich Aegean Blue - deep but vibrant summer feel */
  --aegean-light: #1d6fa5; 
  --gold: #dfb26c; /* Rich warm sand gold */
  --gold-hover: #cfa15c;
  --white: #ffffff;
  --sand: #faf6f0; /* Warm summer sand white */
  --sand-dark: #f0e6d6;
  --text-dark: #0f172a;
  --text-muted: #475569;
  --text-light: #f8fafc;
  --border-light: rgba(255, 255, 255, 0.15);
  --border-dark: rgba(15, 76, 129, 0.08);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 15px -3px rgba(15, 76, 129, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 20px 25px -5px rgba(15, 76, 129, 0.1), 0 10px 10px -5px rgba(15, 76, 129, 0.04);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-sans: 'Outfit', 'Segoe UI', Roboto, sans-serif;
  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--text-dark);
  background-color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.section {
  padding: 100px 0;
}

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

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

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

.text-white {
  color: var(--white) !important;
}

.text-serif {
  font-family: var(--font-display);
}

.text-gold {
  color: var(--gold) !important;
}

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

/* Typography & Subtitles */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.25;
}

.section-header {
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.5rem;
  color: var(--aegean);
  margin-bottom: 16px;
}

.section-desc {
  max-width: 650px;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background-color: var(--gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(223, 178, 108, 0.3);
}

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

.btn-outline:hover {
  background-color: var(--gold);
  color: var(--aegean);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* Top Promo Banner */
.top-banner {
  background-color: var(--aegean-light);
  color: var(--white);
  padding: 10px 0;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-light);
  position: relative;
  z-index: 101;
}

.banner-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lang-selector {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-btn {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.85rem;
}

.lang-btn:hover, .lang-btn.active {
  color: var(--gold);
}

.lang-divider {
  color: rgba(255, 255, 255, 0.2);
}

/* Header & Nav */
.site-header {
  background-color: rgba(15, 76, 129, 0.95); /* Rich Aegean Blue */
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 15px 0;
  border-bottom: 1px solid var(--border-light);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  text-decoration: none;
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.logo-accent {
  color: var(--gold);
  font-family: var(--font-display);
  font-style: italic;
  margin-right: 2px;
}

.logo-main {
  color: var(--white);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-link:hover {
  color: var(--gold);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--gold);
  transition: var(--transition);
}

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

.burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
}

.burger span {
  display: block;
  width: 28px;
  height: 2px;
  background-color: var(--white);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  position: relative;
  height: 90vh;
  display: flex;
  align-items: center;
  color: var(--white);
  overflow: hidden;
}

.hero-video-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(15, 76, 129, 0.7) 0%, rgba(255, 255, 255, 0.1) 60%, rgba(250, 246, 240, 0.95) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
  background-color: rgba(223, 178, 108, 0.15);
  backdrop-filter: blur(4px);
}

.hero-title {
  font-size: 4rem;
  line-height: 1.15;
  font-weight: 800;
  margin-bottom: 24px;
  color: #0f172a; /* Slate dark color for readability */
}

.hero-subtitle {
  font-size: 1.25rem;
  color: #334155; /* Slate muted color for readability */
  max-width: 600px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 20px;
}

.scroll-down {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  text-decoration: none;
}

.scroll-arrow {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  color: var(--white);
  font-size: 1.2rem;
  animation: bounce 2s infinite;
  background-color: rgba(10, 37, 64, 0.3);
  backdrop-filter: blur(4px);
}

/* Filters & Villa Cards */
.filter-controls {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 50px;
}

.filter-btn {
  background-color: var(--sand);
  border: 1px solid var(--sand-dark);
  color: var(--aegean);
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

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

.villas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 40px;
}

.villa-card {
  background-color: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-dark);
  transition: var(--transition);
}

.villa-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.villa-media {
  position: relative;
  height: 280px;
  overflow: hidden;
}

.villa-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.villa-video-preview {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 1;
}

.villa-card:hover .villa-video-preview {
  opacity: 1;
}

.villa-card:hover .villa-img {
  transform: scale(1.05);
}

.location-badge {
  position: absolute;
  top: 20px;
  left: 20px;
  background-color: var(--aegean);
  color: var(--white);
  padding: 6px 16px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  z-index: 2;
}

.villa-details {
  padding: 30px;
}

.villa-meta {
  display: flex;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 12px;
}

.villa-name {
  font-size: 1.6rem;
  color: var(--aegean);
  margin-bottom: 12px;
}

.villa-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.villa-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-dark);
  padding-top: 20px;
}

.price-box {
  display: flex;
  flex-direction: column;
}

.price-from {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
}

.price-amount {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--aegean);
}

.price-night {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* Lightbox Modal */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: none;
  justify-content: center;
  align-items: center;
}

.lightbox.active {
  display: flex;
}

.lightbox-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(10, 37, 64, 0.95);
  backdrop-filter: blur(8px);
}

.lightbox-content {
  position: relative;
  z-index: 1001;
  width: 90%;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-close-btn {
  position: absolute;
  top: -60px;
  right: 0;
  background: none;
  border: none;
  color: var(--white);
  font-size: 3rem;
  cursor: pointer;
  transition: var(--transition);
}

.lightbox-close-btn:hover {
  color: var(--gold);
}

.lightbox-media-container {
  width: 100%;
  height: 60vh;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 8px;
  overflow: hidden;
  background-color: #051422;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.lightbox-media-container img,
.lightbox-media-container video {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  justify-content: center;
  align-items: center;
}

.lightbox-nav-btn:hover {
  background-color: var(--gold);
  border-color: var(--gold);
  color: var(--aegean);
}

.lightbox-nav-btn.prev {
  left: -70px;
}

.lightbox-nav-btn.next {
  right: -70px;
}

.lightbox-caption {
  color: var(--white);
  margin-top: 20px;
  font-size: 1.1rem;
  font-family: var(--font-display);
}

.lightbox-dots {
  display: flex;
  gap: 8px;
  margin-top: 15px;
}

.lightbox-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: var(--transition);
}

.lightbox-dot.active {
  background-color: var(--gold);
  transform: scale(1.3);
}

/* Destinations (Chalkidiki Highlight) */
.destination-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 40px;
  margin-top: 50px;
}

.destination-card {
  background-color: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-dark);
}

.dest-media {
  height: 300px;
  overflow: hidden;
}

.dest-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.dest-content {
  padding: 40px;
}

.dest-content h3 {
  font-size: 1.8rem;
  color: var(--aegean);
  margin-bottom: 15px;
}

.dest-content p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.dest-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.dest-highlights span {
  background-color: var(--sand);
  border: 1px solid var(--sand-dark);
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--aegean);
}

/* Amenities Grid */
.amenities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.amenity-card {
  background-color: var(--white);
  padding: 40px 30px;
  border-radius: 6px;
  border: 1px solid var(--border-dark);
  transition: var(--transition);
}

.amenity-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold);
}

.amenity-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.amenity-card h3 {
  font-size: 1.3rem;
  color: var(--aegean);
  margin-bottom: 12px;
}

.amenity-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Reviews Slider */
.reviews-slider {
  max-width: 800px;
  margin: 50px auto 0 auto;
}

.review-card {
  text-align: center;
  padding: 20px;
}

.review-stars {
  color: var(--gold);
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.review-text {
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1.5;
  font-style: italic;
  margin-bottom: 24px;
}

.review-author {
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.05em;
  font-size: 0.95rem;
}

/* Booking inquiry */
.booking-wrapper {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.booking-info .section-title {
  margin-bottom: 20px;
}

.booking-text {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  background-color: var(--sand);
  color: var(--aegean);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.3rem;
}

.contact-item strong {
  font-size: 1rem;
  color: var(--aegean);
}

.contact-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.booking-card {
  background-color: var(--white);
  padding: 40px;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-dark);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--aegean);
  text-transform: uppercase;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--sand-dark);
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-dark);
  background-color: var(--sand);
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
  background-color: var(--white);
}

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

/* Footer styling */
.site-footer {
  background-color: #0c3e6b; /* Darker Aegean Blue for contrast */
  color: rgba(255, 255, 255, 0.9);
  padding: 80px 0 30px 0;
  border-top: 1px solid var(--border-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 50px;
}

.footer-about {
  margin-top: 20px;
  max-width: 320px;
  font-size: 0.95rem;
}

.site-footer h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--gold);
}

.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding-top: 30px;
  font-size: 0.85rem;
}

/* Keyframes */
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-8px);
  }
  60% {
    transform: translateY(-4px);
  }
}

/* Responsive Overrides */
@media (max-width: 992px) {
  .site-header {
    padding: 20px 0;
  }
  
  .burger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 76px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 76px);
    background-color: var(--aegean);
    flex-direction: column;
    padding: 50px 0;
    gap: 30px;
    transition: var(--transition);
    z-index: 99;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-menu .btn {
    width: 80%;
  }

  .hero-title {
    font-size: 3rem;
  }

  .booking-wrapper {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .lightbox-nav-btn.prev {
    left: 10px;
  }

  .lightbox-nav-btn.next {
    right: 10px;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }

  .section {
    padding: 70px 0;
  }

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

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