/* ----------- CSS Variables ----------- */
:root {
  --bg-color-dark: #0a0a0a;
  --bg-color-darker: #050505;
  --gold-primary: #D4AF37;
  --gold-light: #FFDF73;
  --gold-dark: #aa8620;
  --text-main: #f5f5f5;
  --text-muted: #a0a0a0;
  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Inter', sans-serif;
  --glass-bg: rgba(25, 25, 25, 0.6);
  --glass-border: rgba(212, 175, 55, 0.3);
  --glass-border-hover: rgba(212, 175, 55, 0.8);
  --transition-speed: 0.4s;
}

/* ----------- Reset & Base ----------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color-dark);
  color: var(--text-main);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: 1px;
}

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

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

/* ----------- Navigation ----------- */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 20px 0;
  background: transparent;
  z-index: 1000;
  transition: all var(--transition-speed) ease;
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(10px);
  padding: 10px 0;
  border-bottom: 1px solid var(--glass-border);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.brand-logo {
  height: 50px;
  border-radius: 5px;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a {
  font-size: 1rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

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

.btn-primary {
  border: 1px solid var(--gold-primary);
  padding: 10px 25px;
  border-radius: 3px;
  color: var(--gold-primary) !important;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background: var(--gold-primary);
  color: var(--bg-color-dark) !important;
}

.hamburger {
  display: none;
  cursor: pointer;
}

.hamburger .bar {
  width: 25px;
  height: 2px;
  background-color: var(--gold-primary);
  margin: 5px auto;
  transition: all 0.3s ease;
}

/* ----------- Hero Section ----------- */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed; /* Parallax effect */
  transform: scale(1.05); /* Slight scale to handle edge blur if needed */
  z-index: -2;
}

.water-ripple-layer {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(to bottom, rgba(5,5,5,0.7) 0%, rgba(5,5,5,0.2) 60%, rgba(10,10,10,0.95) 100%);
  z-index: -1;
  /* Ambient animation */
  animation: ambientLight 10s infinite alternate;
}

@keyframes ambientLight {
  0% { opacity: 0.8; }
  100% { opacity: 1; }
}

.hero-content {
  text-align: center;
  z-index: 10;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUpIn 1.5s forwards 0.5s ease-out;
}

@keyframes fadeUpIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-title {
  font-size: 5rem;
  margin-bottom: 10px;
  text-shadow: 2px 2px 20px rgba(0,0,0,0.5);
}

.hero-subtitle {
  font-size: 1.5rem;
  font-family: var(--font-sans);
  font-weight: 300;
  margin-bottom: 40px;
  letter-spacing: 2px;
}

.btn-royal {
  display: inline-block;
  padding: 15px 40px;
  background: linear-gradient(45deg, var(--gold-dark), var(--gold-primary));
  color: var(--bg-color-dark);
  font-weight: 600;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-royal:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.5);
}

/* ----------- Ambiance Section ----------- */
.ambiance-section {
  padding: 120px 40px;
  background: var(--bg-color-dark);
  position: relative;
}

.glass-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 40px;
  justify-content: center;
}

.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
  padding: 50px 40px;
  border-radius: 10px;
  flex: 1;
  transform: translateY(50px);
  opacity: 0;
  transition: all 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.glass-panel.visible {
  transform: translateY(0);
  opacity: 1;
}

.glass-panel:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(212, 175, 55, 0.1);
}

.glass-panel h2 {
  color: var(--gold-primary);
  font-size: 2rem;
  margin-bottom: 20px;
}

.glass-panel p {
  line-height: 1.8;
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* ----------- Menu Section ----------- */
.menu-section {
  padding: 120px 20px;
  background: var(--bg-color-darker);
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 3.5rem;
  color: var(--gold-primary);
  margin-bottom: 15px;
}

.section-title p {
  font-size: 1.2rem;
  color: var(--text-muted);
  font-style: italic;
  font-family: var(--font-serif);
}

.menu-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 50px;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.tab-btn {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid #333;
  padding: 10px 20px;
  border-radius: 30px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.tab-btn:hover {
  border-color: var(--gold-dark);
  color: var(--text-main);
}

.tab-btn.active {
  background: var(--gold-primary);
  color: var(--bg-color-dark);
  border-color: var(--gold-primary);
  font-weight: 600;
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.4);
}

.menu-content {
  max-width: 1200px;
  margin: 0 auto;
  min-height: 400px;
}

.menu-category-group {
  display: none;
  animation: fadeIn 0.5s ease-in-out;
}

.menu-category-group.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.subcategory-block {
  margin-bottom: 50px;
}

.subcategory-title {
  font-size: 2rem;
  color: var(--gold-light);
  margin-bottom: 25px;
  border-bottom: 1px solid #333;
  padding-bottom: 10px;
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 25px;
}

.menu-item-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 20px;
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}

.menu-item-card:hover {
  background: rgba(212, 175, 55, 0.05);
  border-color: rgba(212, 175, 55, 0.3);
  box-shadow: 0 5px 15px rgba(0,0,0,0.5), inset 0 0 10px rgba(212, 175, 55, 0.05);
  transform: translateX(5px);
}

.menu-item-name {
  font-family: var(--font-serif);
  font-size: 1.2rem;
}

.menu-item-price {
  color: var(--gold-primary);
  font-weight: 600;
  font-size: 1.1rem;
}

/* ----------- Reservation Section ----------- */
.reservation-section {
  padding: 120px 20px;
  background: url('assets/dam_bg.png') center/cover no-attachment;
  position: relative;
}

.reservation-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(5, 5, 5, 0.85);
}

.reservation-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.reservation-glass {
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
  padding: 60px;
  border-radius: 10px;
  text-align: center;
}

.reservation-glass h2 {
  font-size: 3rem;
  color: var(--gold-primary);
  margin-bottom: 10px;
}

.reservation-glass p {
  color: var(--text-muted);
  margin-bottom: 40px;
}

.reservation-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  gap: 20px;
}

.reservation-form input,
.reservation-form select,
.reservation-form textarea {
  width: 100%;
  padding: 15px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid #333;
  color: var(--text-main);
  border-radius: 4px;
  font-family: var(--font-sans);
  transition: border-color 0.3s;
}

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

.reservation-form textarea {
  resize: vertical;
  min-height: 100px;
}

.submit-btn {
  margin-top: 10px;
  padding: 18px;
  font-size: 1.2rem;
}

/* ----------- Footer ----------- */
.footer {
  background: #000;
  padding: 60px 40px;
  text-align: center;
  border-top: 1px solid #222;
}

.footer-logo {
  height: 60px;
  margin-bottom: 20px;
  filter: grayscale(100%) brightness(0.8);
  transition: filter 0.3s;
}

.footer-logo:hover {
  filter: grayscale(0%) brightness(1);
}

.social-links {
  margin: 20px 0;
}

.social-links a {
  margin: 0 10px;
  color: var(--gold-primary);
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
}

.copyright {
  color: #555;
  font-size: 0.9rem;
  margin-top: 30px;
}

/* ----------- Responsiveness ----------- */
@media (max-width: 900px) {
  .hero-title { font-size: 3.5rem; }
  .glass-container { flex-direction: column; }
  .form-group { flex-direction: column; gap: 20px; }
  .reservation-glass { padding: 40px 20px; }
  .nav-links {
    position: absolute;
    right: -100%;
    top: 70px;
    flex-direction: column;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    width: 60%;
    height: 100vh;
    padding-top: 50px;
    transition: 0.3s;
  }
  .nav-links.active { right: 0; }
  .hamburger { display: block; }
}

@media (max-width: 600px) {
  .section-title h2 { font-size: 2.5rem; }
  .menu-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 2.8rem; }
}