@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500&family=Playfair+Display:ital,wght@0,400;0,500;0,600;1,400&display=swap');

:root {
  /* Color Palette */
  --bg-primary: #0f0e0d;
  --bg-secondary: #1a1816;
  --accent-gold: #c6a96b;
  --text-cream: #f5f1ea;
  --text-muted: #d6cfc4;
  --highlight: #e8d9b5;
  --border-glass: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(15, 14, 13, 0.75);
  
  /* Typography */
  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Inter', sans-serif;
  
  /* Spacing & Sizes */
  --nav-height: 90px;
  --container-width: 1300px;
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  
  /* Transitions */
  --transition-fast: 0.3s ease;
  --transition-slow: 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-muted);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--text-cream);
  font-weight: 500;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

p {
  font-size: 1rem;
  margin-bottom: 1rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

ul {
  list-style: none;
}

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

/* Utilities */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 8rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title h2 {
  margin-bottom: 1rem;
}

.section-title p {
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.875rem;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--accent-gold);
  color: var(--bg-primary);
  font-weight: 500;
}

.btn-primary:hover {
  background-color: var(--highlight);
  box-shadow: 0 0 20px rgba(198, 169, 107, 0.4);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-glass);
  color: var(--text-cream);
}

.btn-outline:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

/* Header & Nav */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 100;
  transition: var(--transition-slow);
  background: transparent;
  display: flex;
  align-items: center;
}

.header.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glass);
  height: 70px;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--text-cream);
  font-weight: 600;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-link {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  color: var(--text-cream);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 1px;
  background-color: var(--accent-gold);
  transition: var(--transition-fast);
}

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

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 101;
}

.hamburger {
  width: 24px;
  height: 2px;
  background: var(--text-cream);
  position: relative;
  transition: var(--transition-fast);
}

.hamburger::before, .hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--text-cream);
  left: 0;
  transition: var(--transition-fast);
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--bg-primary);
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.mobile-nav-links .nav-link {
  font-size: 1.5rem;
  font-family: var(--font-serif);
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

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

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(15, 14, 13, 0.3), rgba(15, 14, 13, 0.95));
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 800px;
  padding: 0 1rem;
}

.hero-subtitle {
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  display: block;
}

.hero-title {
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* Product Cards */
.product-card {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  group: true;
}

.product-image {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.product-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.05), transparent);
  transform: skewX(-20deg);
  transition: 0.7s ease;
  z-index: 2;
  pointer-events: none;
}

.product-card:hover::after {
  left: 150%;
}

.product-info {
  padding: 1.5rem;
}

.product-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.product-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Features / Why Choose Us */
.feature-card {
  padding: 2rem;
  border: 1px solid var(--border-glass);
  border-radius: var(--border-radius-md);
  background: linear-gradient(145deg, rgba(26,24,22,0.5), transparent);
  text-align: center;
  transition: var(--transition-fast);
}

.feature-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-5px);
}

.feature-icon {
  font-size: 2rem;
  color: var(--accent-gold);
  margin-bottom: 1.5rem;
}

/* Projects Grid */
.project-card {
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  aspect-ratio: 3/2;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 14, 13, 0.7);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  opacity: 0;
  transition: var(--transition-fast);
}

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

.project-card:hover .project-overlay {
  opacity: 1;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  padding: 6rem 0 2rem;
  border-top: 1px solid var(--border-glass);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand .logo {
  display: block;
  margin-bottom: 1.5rem;
}

.footer-title {
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text-cream);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

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

.footer-bottom {
  border-top: 1px solid var(--border-glass);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

.form-control {
  width: 100%;
  padding: 1rem 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-glass);
  color: var(--text-cream);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: var(--transition-fast);
}

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

.form-label {
  position: absolute;
  top: 1rem;
  left: 0;
  color: var(--text-muted);
  pointer-events: none;
  transition: var(--transition-fast);
}

.form-control:focus ~ .form-label,
.form-control:not(:placeholder-shown) ~ .form-label {
  top: -10px;
  font-size: 0.75rem;
  color: var(--accent-gold);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* Page Headers */
.page-header {
  padding: 12rem 0 6rem;
  background: var(--bg-secondary);
  text-align: center;
  border-bottom: 1px solid var(--border-glass);
}

/* Product Detail */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.product-gallery {
  position: sticky;
  top: 120px;
}

.main-image {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  margin-bottom: 1rem;
}

.specs-list {
  margin: 2rem 0;
  border-top: 1px solid var(--border-glass);
}

.spec-item {
  display: flex;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-glass);
}

/* Contact Layout */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
}

.contact-info {
  background: var(--bg-secondary);
  padding: 4rem;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-glass);
}

.contact-detail {
  margin-bottom: 2rem;
}

.contact-detail h4 {
  color: var(--accent-gold);
  margin-bottom: 0.5rem;
  font-family: var(--font-sans);
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 1px;
}

/* Content Pages (Terms/Privacy) */
.content-area {
  max-width: 800px;
  margin: 0 auto;
}

.content-area h2 {
  margin: 2rem 0 1rem;
}

/* Animations Classes */
.reveal-up { opacity: 0; transform: translateY(40px); }

/* Responsive */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .contact-grid, .product-detail-grid { grid-template-columns: 1fr; gap: 3rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
  .hero-title { font-size: 2.5rem; }
  .section { padding: 5rem 0; }
  .page-header { padding: 8rem 0 4rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}