:root {
  --bg-main: #000000;
  --bg-sec: #111111;
  --text-main: #FFFFFF;
  --text-sec: #CCCCCC;
  --accent: #FFFFFF;
  --accent-hover: #E0E0E0;
  --border: #333333;
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  margin: 0;
  padding: 0;
}

* {
  box-sizing: border-box;
}

/* Typography Base */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  margin-top: 0;
  margin-bottom: 1rem;
}

p {
  color: var(--text-sec);
}

a {
  text-decoration: none;
  color: var(--text-main);
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent);
}

/* Layout Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 100px 0;
}

.section-title {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 2rem;
  position: relative;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  gap: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-primary {
  background-color: var(--accent);
  color: #000;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-main);
  border: 1px solid var(--accent);
}

.btn-outline:hover {
  background-color: var(--accent);
  color: #000;
}

.btn-block {
  width: 100%;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(15, 15, 15, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
}

.nav-menu {
  display: flex;
  gap: 30px;
}

.nav-menu a {
  font-size: 0.95rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.header-phone {
  font-weight: 600;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
}

/* Hero Section */
.hero {
  height: 100vh;
  min-height: 600px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: url('anh/banner.jpg') center/cover no-repeat;
}

.hero-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.4) 0%, rgba(15,15,15,0.9) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 0 20px;
  margin-top: 50px;
}

.hero-title {
  font-size: 5.5rem;
  color: var(--accent);
  margin-bottom: 10px;
  letter-spacing: 4px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-subtitle {
  font-size: 2.2rem;
  font-weight: 400;
  margin-bottom: 25px;
  font-style: italic;
  color: #fff;
}

.hero-desc {
  font-size: 1.25rem;
  margin-bottom: 45px;
  color: #eee;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

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

.about-container {
  display: flex;
  align-items: center;
  gap: 80px;
}

.about-content {
  flex: 1;
}

.about-content p {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.features-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.features-list li {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
  font-size: 1.15rem;
  font-weight: 500;
}

.icon-check {
  font-size: 1.2rem;
}

.about-image {
  flex: 1;
}

.about-image img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 15px 40px rgba(0,0,0,0.6);
  border: 1px solid var(--border);
  transition: transform 0.5s ease;
}

.about-image:hover img {
  transform: scale(1.02);
}

/* Menu Section */
.menu {
  background-color: var(--bg-main);
  background-image: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 60%);
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
  margin-top: 50px;
}

.menu-category {
  background-color: var(--bg-sec);
  padding: 40px 30px;
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.menu-category:hover {
  transform: translateY(-10px);
  border-color: var(--accent);
  box-shadow: 0 10px 30px rgba(255, 255, 255, 0.05);
}

.category-title {
  color: var(--accent);
  font-size: 2rem;
  border-bottom: 1px dashed var(--border);
  padding-bottom: 20px;
  margin-bottom: 25px;
  text-align: center;
}

.menu-items {
  list-style: none;
  padding: 0;
  margin: 0;
}

.menu-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.menu-item:last-child {
  margin-bottom: 0;
}

.item-name {
  font-weight: 500;
  color: var(--text-main);
}

.dots {
  flex-grow: 1;
  border-bottom: 1px dotted var(--border);
  margin: 0 15px 5px 15px;
  opacity: 0.5;
}

.item-price {
  color: var(--accent);
  font-weight: 600;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  white-space: nowrap;
}

/* Gallery Section */
.gallery {
  background-color: var(--bg-sec);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 25px;
  margin-top: 50px;
}

.gallery-item {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  height: 280px;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  filter: contrast(1.05) saturate(1.05) brightness(1.02);
  transition: transform 0.7s ease, filter 0.7s ease;
}

.gallery-item:hover img {
  transform: scale(1.1);
  filter: contrast(1.1) saturate(1.1) brightness(1.05);
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%);
  padding: 30px 20px 20px;
  color: var(--accent);
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
}

.gallery-item:hover .gallery-caption {
  opacity: 1;
  transform: translateY(0);
}

/* Info & Reservation Bottom Section */
.bottom-section {
  background-color: var(--bg-main);
}

.bottom-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: flex-start;
}

.info-list {
  list-style: none;
  padding: 0;
  margin-bottom: 40px;
}

.info-list li {
  margin-bottom: 20px;
  font-size: 1.15rem;
  display: flex;
  gap: 15px;
  color: var(--text-sec);
}

.info-list strong {
  color: var(--text-main);
  min-width: 120px;
}

.map-container {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* Reservation Form */
.reservation-form {
  background-color: var(--bg-sec);
  padding: 50px;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

.form-group {
  margin-bottom: 25px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
}

input, textarea {
  width: 100%;
  padding: 15px 20px;
  background-color: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all 0.3s ease;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.2);
}

input::-webkit-calendar-picker-indicator {
  filter: invert(1);
  cursor: pointer;
}

textarea {
  resize: vertical;
}

/* Footer */
.footer {
  background-color: #050505;
  border-top: 1px solid var(--border);
  padding: 80px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}

.footer-brand h3 {
  font-size: 2.2rem;
  color: var(--accent);
  margin-bottom: 15px;
  letter-spacing: 2px;
}

.footer-brand p {
  font-size: 1.1rem;
  max-width: 350px;
}

.footer-contact p {
  margin-bottom: 15px;
  font-size: 1.05rem;
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  background-color: var(--bg-sec);
  border-radius: 50%;
  font-size: 1.2rem;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.social-links a:hover {
  background-color: var(--accent);
  color: #000;
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--border);
  color: var(--text-sec);
  font-size: 0.95rem;
}

/* Scroll Behavior */
html {
  scroll-behavior: smooth;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-title { font-size: 4.5rem; }
  .about-container { flex-direction: column; gap: 40px; }
  .bottom-container { grid-template-columns: 1fr; gap: 60px; }
  .footer-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .header-inner { justify-content: space-between; }
  
  .hero-title { font-size: 3.5rem; }
  .hero-subtitle { font-size: 1.8rem; }
  .hero-actions { flex-direction: column; width: 100%; max-width: 300px; margin: 0 auto; }
  
  .form-row { grid-template-columns: 1fr; }
  
  .footer-content { grid-template-columns: 1fr; gap: 40px; }
  
  .section { padding: 70px 0; }
  .reservation-form { padding: 30px 20px; }
}

@media (max-width: 480px) {
  .logo img { height: 60px !important; }
  .header-inner { height: 80px; flex-direction: row; }
  .header-phone { font-size: 0.9rem; }
  .hero-title { font-size: 2.8rem; }
  .hero-subtitle { font-size: 1.4rem; }
  .category-title { font-size: 1.6rem; }
  .section-title { font-size: 2rem; }
  .item-price { font-size: 1.1rem; }
}