/* assets/styles.css */
:root {
  --bg: #1a1612;
  --fg: #f5f0e8;
  --surface: #252018;
  --accent: #c8a97e;
  --accent-hover: #a88a5e;
  --success: #5a8a5a;
  --error: #a85a5a;
  --border: rgba(200, 169, 126, 0.2);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --radius: 16px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Source Sans 3', sans-serif;
  background-color: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', serif;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.8rem); }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(26, 22, 18, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 12px;
}

.nav-link {
  color: var(--fg);
  text-decoration: none;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: 8px;
  transition: background-color 0.28s ease, color 0.28s ease;
  font-size: 0.95rem;
}

.nav-link:hover {
  background: var(--accent);
  color: var(--bg);
}

/* Hero */
.hero {
  padding: 80px 20px;
  text-align: center;
  background: linear-gradient(135deg, var(--bg) 0%, var(--surface) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('https://arkvin.s3.ap-southeast-1.amazonaws.com/arkbiz/img_bg_1.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.hero-subtitle {
  font-size: 0.9rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 12px;
}

.hero h1 { margin-bottom: 16px; }

.hero-description {
  font-size: 1.1rem;
  opacity: 0.85;
  margin-bottom: 32px;
  line-height: 1.7;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border: none;
  border-radius: 12px;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.28s ease, background-color 0.28s ease;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--fg);
  border: 2px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

/* Section */
.section {
  padding: 60px 20px;
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h2 {
  color: var(--accent);
}

/* Menu Grid */
.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.menu-card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.32s ease, box-shadow 0.32s ease;
}

.menu-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.menu-card-image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.menu-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.menu-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 22, 18, 0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.28s ease;
}

.menu-card:hover .menu-card-overlay {
  background: rgba(26, 22, 18, 0.4);
}

.menu-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.28s ease, transform 0.28s ease;
}

.menu-card:hover .menu-card-icon {
  opacity: 1;
  transform: scale(1);
}

.menu-card-content {
  padding: 20px;
}

.menu-card-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg);
}

/* Order Form */
.order-section {
  padding: 80px 20px;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--surface) 0%, var(--bg) 100%);
  position: relative;
}

.order-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('https://arkvin.s3.ap-southeast-1.amazonaws.com/arkbiz/img_bg_1.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.1;
}

.order-container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .order-container {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

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

@media (min-width: 768px) {
  .order-info {
    text-align: left;
  }
}

.order-info-subtitle {
  font-size: 0.9rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}

.order-info h1 { margin-bottom: 20px; }

.order-info-description {
  font-size: 1.1rem;
  opacity: 0.85;
  margin-bottom: 32px;
  line-height: 1.7;
}

.order-form-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}

.order-form-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 24px;
}

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

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  color: var(--fg);
  opacity: 0.9;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1rem;
  background: var(--bg);
  color: var(--fg);
  transition: border-color 0.28s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
}

.form-input::placeholder {
  color: var(--fg);
  opacity: 0.4;
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.form-error {
  color: var(--error);
  font-size: 0.85rem;
  margin-top: 6px;
}

/* Alert */
.alert {
  padding: 16px 20px;
  border-radius: 12px;
  margin-bottom: 20px;
  font-weight: 500;
}

.alert-success {
  background: rgba(90, 138, 90, 0.2);
  color: #8fc28f;
  border: 1px solid rgba(90, 138, 90, 0.3);
}

.alert-error {
  background: rgba(168, 90, 90, 0.2);
  color: #c28f8f;
  border: 1px solid rgba(168, 90, 90, 0.3);
}

/* Footer */
.footer {
  padding: 32px 20px;
  text-align: center;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.footer-contact {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  margin-bottom: 20px;
}

.footer-contact a {
  color: var(--fg);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  transition: color 0.28s ease;
}

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

.footer-contact svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
}

.footer-copyright {
  font-size: 0.85rem;
  opacity: 0.6;
}

/* Fade Animation */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Loading */
.loading-skeleton {
  background: linear-gradient(90deg, var(--border) 25%, rgba(200, 169, 126, 0.1) 50%, var(--border) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Responsive */
@media (max-width: 767px) {
  .hero { padding: 60px 20px; }
  .section { padding: 48px 16px; }
  .order-section { padding: 60px 16px; }
  
  .menu-grid {
    grid-template-columns: 1fr;
  }

  .nav-link span {
    display: none;
  }
}