/* Thai Food Presentation - Cinematic Documentary Style */
/* Fonts: Cormorant Garamond (display), IBM Plex Sans Thai (body), Bebas Neue (accent) */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Sans+Thai:wght@300;400;500;600;700&family=IBM+Plex+Sans:wght@300;400;500;600;700&family=Bebas+Neue&display=swap');

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

:root {
  --color-bg: #1a1a2e;
  --color-bg-dark: #0d0d1a;
  --color-amber: #d4a853;
  --color-amber-light: #f5d89a;
  --color-white: #ffffff;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --font-display: "Cormorant Garamond", serif;
  --font-body: "IBM Plex Sans Thai", "IBM Plex Sans", sans-serif;
  --font-accent: "Bebas Neue", sans-serif;
}

html {
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
}

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

a {
  text-decoration: none;
  color: inherit;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

/* Container */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 2rem;
  }
}

/* Typography */
.font-display {
  font-family: var(--font-display);
}

.font-body {
  font-family: var(--font-body);
}

.font-accent {
  font-family: var(--font-accent);
  letter-spacing: 0.1em;
}

.text-shadow {
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.8);
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(26, 26, 46, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-white);
  transition: color 0.3s;
}

.nav-logo:hover {
  color: var(--color-amber);
}

.nav-menu {
  display: none;
  align-items: center;
  gap: 2rem;
}

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

.nav-item {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-gray-400);
  transition: color 0.3s;
  position: relative;
  padding: 0.5rem 0;
}

.nav-item:hover,
.nav-item.active {
  color: var(--color-amber);
}

.nav-item.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-amber);
}

/* Scroll Progress */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--color-amber);
  z-index: 60;
  width: 0%;
  transition: width 0.1s;
}

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

.hero-bg {
  position: absolute;
  inset: 0;
}

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, #1a1a2e 0%, transparent 50%, rgba(26, 26, 46, 0.3) 100%);
}

.hero-gradient-side {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(26, 26, 46, 0.6) 0%, transparent 50%);
}

/* Letterbox effect */
.letterbox-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8%;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent);
}

.letterbox-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 8%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
}

/* Film grain */
.film-grain {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  pointer-events: none;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Ambient light */
.ambient-light {
  position: absolute;
  top: 25%;
  right: 0;
  width: 33%;
  height: 50%;
  background: linear-gradient(to left, rgba(212, 168, 83, 0.1), transparent);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 56rem;
}

.hero-subtitle {
  font-family: var(--font-accent);
  color: var(--color-amber);
  font-size: 1.125rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .hero-subtitle {
    font-size: 1.25rem;
  }
}

.hero-title {
  font-family: var(--font-display);
  font-size: 3.75rem;
  line-height: 0.9;
  margin-bottom: 1rem;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.8);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 6rem;
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 8rem;
  }
}

.hero-title span {
  color: var(--color-amber);
}

.hero-title-th {
  font-family: var(--font-display);
  font-size: 1.875rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .hero-title-th {
    font-size: 2.25rem;
  }
}

@media (min-width: 1024px) {
  .hero-title-th {
    font-size: 3rem;
  }
}

.hero-description {
  font-family: var(--font-body);
  color: var(--color-gray-300);
  font-size: 1.125rem;
  max-width: 42rem;
  line-height: 1.75;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .hero-description {
    font-size: 1.25rem;
  }
}

.hero-line {
  height: 2px;
  width: 300px;
  background: linear-gradient(to right, var(--color-amber), rgba(212, 168, 83, 0.5), transparent);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  z-index: 20;
  transition: color 0.3s;
}

.scroll-indicator:hover {
  color: var(--color-amber);
}

.scroll-indicator span {
  font-family: var(--font-accent);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
}

.scroll-indicator svg {
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* Side text */
.side-text {
  position: absolute;
  left: 2rem;
  top: 50%;
  transform: translateY(-50%);
  display: none;
}

@media (min-width: 1024px) {
  .side-text {
    display: block;
  }
}

.side-text p {
  font-family: var(--font-accent);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--color-gray-500);
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

/* Region Section */
.region-section {
  position: relative;
}

.region-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.region-hero-bg {
  position: absolute;
  inset: 0;
}

.region-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.1);
}

.region-hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}

.region-hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, #1a1a2e 0%, transparent 50%, rgba(26, 26, 46, 0.5) 100%);
}

.region-hero-gradient-side {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(26, 26, 46, 0.8) 0%, transparent 50%);
}

.region-hero-content {
  position: relative;
  z-index: 10;
  padding: 5rem 0;
  max-width: 48rem;
}

.region-label {
  font-family: var(--font-accent);
  color: var(--color-amber);
  font-size: 1.125rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .region-label {
    font-size: 1.25rem;
  }
}

.region-title {
  font-family: var(--font-display);
  font-size: 3.75rem;
  color: var(--color-white);
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.8);
}

@media (min-width: 768px) {
  .region-title {
    font-size: 6rem;
  }
}

@media (min-width: 1024px) {
  .region-title {
    font-size: 8rem;
  }
}

.region-tagline {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: rgba(245, 216, 154, 0.9);
  font-style: italic;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .region-tagline {
    font-size: 1.875rem;
  }
}

.region-description {
  font-family: var(--font-body);
  color: var(--color-gray-300);
  font-size: 1.125rem;
  line-height: 1.75;
  max-width: 42rem;
}

@media (min-width: 768px) {
  .region-description {
    font-size: 1.25rem;
  }
}

.region-line {
  margin-top: 3rem;
  height: 2px;
  width: 200px;
  background: linear-gradient(to right, var(--color-amber), rgba(212, 168, 83, 0.5), transparent);
}

/* Region scroll indicator */
.region-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.region-scroll span {
  font-family: var(--font-accent);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-gray-400);
}

.region-scroll-line {
  width: 1px;
  height: 2rem;
  background: linear-gradient(to bottom, var(--color-amber), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(0.5); }
}

/* Food Grid */
.food-grid-section {
  position: relative;
  background: var(--color-bg);
  padding: 5rem 0;
}

@media (min-width: 768px) {
  .food-grid-section {
    padding: 8rem 0;
  }
}

.food-grid-ambient {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 50%;
  background: linear-gradient(to bottom left, rgba(212, 168, 83, 0.05), transparent);
  pointer-events: none;
}

.food-grid-header {
  text-align: center;
  margin-bottom: 4rem;
}

.food-grid-label {
  font-family: var(--font-accent);
  color: rgba(212, 168, 83, 0.8);
  font-size: 0.875rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.food-grid-title {
  font-family: var(--font-display);
  font-size: 1.875rem;
  color: var(--color-white);
}

@media (min-width: 768px) {
  .food-grid-title {
    font-size: 2.25rem;
  }
}

.food-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .food-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
}

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

.food-grid-divider {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(212, 168, 83, 0.3), transparent);
}

/* Food Card */
.food-card {
  position: relative;
}

.food-card-image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
}

.food-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.food-card:hover .food-card-image img {
  transform: scale(1.08);
}

.food-card-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
}

.food-card-image-hover {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.2);
  opacity: 0;
  transition: opacity 0.5s;
}

.food-card:hover .food-card-image-hover {
  opacity: 1;
}

.food-card-content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.food-card-title-en {
  font-family: var(--font-accent);
  color: rgba(212, 168, 83, 0.8);
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.food-card-title-th {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-white);
  transition: color 0.3s;
}

@media (min-width: 768px) {
  .food-card-title-th {
    font-size: 1.875rem;
  }
}

.food-card:hover .food-card-title-th {
  color: rgba(245, 216, 154, 1);
}

.food-card-description {
  font-family: var(--font-body);
  color: var(--color-gray-400);
  font-size: 0.875rem;
  line-height: 1.75;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.3s;
}

@media (min-width: 768px) {
  .food-card-description {
    font-size: 1rem;
  }
}

.food-card:hover .food-card-description {
  color: var(--color-gray-300);
}

.food-card-line {
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  height: 2px;
  width: 40%;
  background: linear-gradient(to right, var(--color-amber), transparent);
}

/* Footer */
.footer {
  position: relative;
  background: var(--color-bg-dark);
  padding: 5rem 0;
  overflow: hidden;
}

.footer-top-line {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50%;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(212, 168, 83, 0.3), transparent);
}

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

.footer-logo {
  font-family: var(--font-display);
  font-size: 2.25rem;
  color: var(--color-white);
  margin-bottom: 1rem;
  transition: transform 0.3s;
}

@media (min-width: 768px) {
  .footer-logo {
    font-size: 3rem;
  }
}

.footer-logo:hover {
  transform: scale(1.02);
}

.footer-subtitle {
  font-family: var(--font-body);
  font-size: 1.25rem;
  color: rgba(212, 168, 83, 0.8);
  margin-bottom: 2rem;
}

.footer-divider {
  width: 5rem;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(212, 168, 83, 0.5), transparent);
  margin: 0 auto 2rem;
}

.footer-description {
  font-family: var(--font-body);
  color: var(--color-gray-500);
  max-width: 36rem;
  margin: 0 auto 3rem;
  line-height: 1.75;
}

.footer-regions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-region {
  text-align: center;
  transition: transform 0.3s;
}

.footer-region:hover {
  transform: translateY(-4px);
}

.footer-region-en {
  font-family: var(--font-accent);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-gray-600);
  transition: color 0.3s;
}

.footer-region:hover .footer-region-en {
  color: var(--color-amber);
}

.footer-region-th {
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--color-gray-400);
  transition: color 0.3s;
}

.footer-region:hover .footer-region-th {
  color: var(--color-white);
}

.footer-copyright {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-gray-600);
}

.footer-corner-left {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 8rem;
  height: 8rem;
  background: linear-gradient(to top right, rgba(212, 168, 83, 0.05), transparent);
}

.footer-corner-right {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 8rem;
  height: 8rem;
  background: linear-gradient(to top left, rgba(212, 168, 83, 0.05), transparent);
}

/* Mobile menu */
.mobile-menu-btn {
  display: block;
  padding: 0.75rem;
  background: rgba(26, 26, 46, 0.8);
  backdrop-filter: blur(12px);
  border-radius: 9999px;
  color: var(--color-white);
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.mobile-menu.active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.75rem;
  color: var(--color-white);
}

.mobile-menu-item {
  font-family: var(--font-display);
  font-size: 1.875rem;
  color: var(--color-white);
  transition: color 0.3s;
}

.mobile-menu-item:hover,
.mobile-menu-item.active {
  color: var(--color-amber);
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  animation: fadeInUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

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

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }
.delay-7 { animation-delay: 0.7s; }
.delay-8 { animation-delay: 0.8s; }