@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500&family=Outfit:wght@300;500;700;800&display=swap');

:root {
  /* Colors - High-Fashion Minimalist */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8F9FA;
  --bg-alt: #0a0a0a;
  
  --text-primary: #0a0a0a;
  --text-secondary: #4a4a4a;
  --text-light: #888888;
  
  --accent-color: #0a0a0a;
  --accent-hover: #333333;
  --accent-light: #E5E5E5;
  
  --border-light: rgba(10, 10, 10, 0.1);
  --border-dark: #0a0a0a;

  /* Typography */
  --font-sans: 'Inter', sans-serif;
  --font-display: 'Outfit', sans-serif;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);

  /* Spacing */
  --container-width: 1400px;
  --section-padding: 120px 5%;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  font-weight: 300;
}

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

a:hover {
  color: var(--text-light);
}

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

ul {
  list-style: none;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-4 { margin-bottom: 4rem; }

/* Typography Classes */
.title-xl {
  font-size: clamp(4rem, 8vw, 8rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin-bottom: 1.5rem;
}

.title-lg {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -0.03em;
}

.title-md {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1.2rem 3.5rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 700;
  border: 1px solid var(--border-dark);
  cursor: pointer;
  transition: all var(--transition-medium);
  text-align: center;
}

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

.btn-primary:hover {
  background-color: transparent;
  color: var(--text-primary);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
}

.btn-outline:hover {
  background-color: var(--text-primary);
  color: #fff;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  transition: all var(--transition-medium);
  padding: 30px 5%;
  background: transparent;
}

header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  padding: 20px 5%;
  border-bottom: 1px solid var(--border-light);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 100%;
  padding: 0;
}

header.dark-mode .logo,
header.dark-mode .nav-links a {
  color: #fff;
}
header.dark-mode .menu-toggle span {
  background-color: #fff;
}
header.dark-mode.scrolled .logo,
header.dark-mode.scrolled .nav-links a {
  color: var(--text-primary);
}
header.dark-mode.scrolled .menu-toggle span {
  background-color: var(--text-primary);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--text-primary);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 3.5rem;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 500;
  color: var(--text-primary);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: currentColor;
  transition: width var(--transition-medium);
}

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

/* Mobile Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 32px;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-fast);
}

.mobile-menu-overlay {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-medium);
}

.mobile-menu-overlay.active {
  opacity: 1; visibility: visible;
}

.mobile-nav {
  position: fixed;
  top: 0; right: -100%; width: 400px; max-width: 85vw; height: 100vh;
  background-color: var(--bg-primary);
  z-index: 1000;
  padding: 120px 50px;
  transition: right var(--transition-medium);
}

.mobile-nav.active { right: 0; }

.mobile-nav ul {
  display: flex; flex-direction: column; gap: 2rem;
}

.mobile-nav a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.menu-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); background-color: var(--text-primary); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); background-color: var(--text-primary); }

/* Page Loader */
#page-loader {
  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
  background-color: var(--bg-primary);
  z-index: 9999; display: flex; justify-content: center; align-items: center;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}
#page-loader.fade-out { opacity: 0; visibility: hidden; }
.loader-content { display: flex; flex-direction: column; align-items: center; width: 250px; }
.loader-line-container { width: 100%; height: 1px; background-color: var(--border-light); position: relative; overflow: hidden; }
.loader-line { position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: var(--text-primary); animation: loading 1.5s infinite cubic-bezier(0.65, 0, 0.35, 1); }
@keyframes loading { 0% { left: -100%; } 100% { left: 100%; } }
.loader-text { margin-top: 1.5rem; font-family: var(--font-display); font-size: 0.75rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--text-primary); font-weight: 700; }

/* Full Width Hero */
.hero-full {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-alt);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.6;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  color: #fff;
  padding: 0 20px;
}

.hero-content h1 {
  color: #fff;
}

.hero-content p {
  color: rgba(255,255,255,0.8);
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto 3rem;
  font-family: var(--font-sans);
}

.hero-content .btn-primary {
  background-color: #fff;
  color: #000;
  border-color: #fff;
}
.hero-content .btn-primary:hover {
  background-color: transparent;
  color: #fff;
}

/* Features Grid */
.features-section {
  padding: var(--section-padding);
  background-color: var(--bg-primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 5rem;
}

.feature-card {
  padding: 3rem;
  border: 1px solid var(--border-light);
  transition: transform var(--transition-medium);
}

.feature-card:hover {
  transform: translateY(-10px);
}

.feature-icon {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--text-light);
  letter-spacing: 0.1em;
}

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

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

.gallery-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
}

.gallery-item img {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

/* Product Offer Page */
.product-section {
  padding: 150px 5% 100px;
  background-color: var(--bg-primary);
}

.product-container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 6rem;
  max-width: var(--container-width);
  margin: 0 auto;
}

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

.main-image {
  width: 100%;
  height: auto;
  margin-bottom: 1rem;
}

.thumbnails {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}

.thumbnail {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}

.thumbnail:hover, .thumbnail.active {
  opacity: 1;
}

.product-info {
  padding-top: 2rem;
}

.product-brand {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: var(--text-light);
  margin-bottom: 1rem;
  text-transform: uppercase;
  font-weight: 700;
}

.product-price {
  font-size: 2rem;
  font-family: var(--font-sans);
  font-weight: 300;
  margin-bottom: 2.5rem;
}

.product-description {
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

.specs-list {
  margin-bottom: 3rem;
  border-top: 1px solid var(--border-light);
}

.specs-list li {
  display: flex;
  justify-content: space-between;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.95rem;
}

.specs-list li span:first-child {
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--font-display);
}

/* Contact Form */
.contact-section {
  padding: 150px 5% 100px;
  background-color: var(--bg-primary);
}

.contact-wrapper {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 2.5rem;
}

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

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

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

/* Review / Editorial Page */
.editorial-layout {
  padding: 150px 5% 100px;
  background: var(--bg-primary);
}

.ed-header {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 5rem;
}

.ed-meta {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--text-light);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 2rem;
}

.ed-hero-img {
  width: 100%;
  height: 70vh;
  object-fit: cover;
  margin-bottom: 5rem;
}

.ed-content {
  max-width: 680px;
  margin: 0 auto;
}

.ed-lead {
  font-size: 1.5rem;
  font-weight: 300;
  line-height: 1.6;
  margin-bottom: 4rem;
  color: var(--text-primary);
}

.ed-content h2 {
  margin: 4rem 0 1.5rem;
  font-size: 2rem;
}

.ed-quote {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 300;
  line-height: 1.2;
  text-transform: none;
  letter-spacing: -0.02em;
  margin: 5rem -5vw;
  padding: 3rem 5vw;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  text-align: center;
}

/* Footer */
footer {
  background-color: var(--bg-alt);
  color: #fff;
  padding: 100px 5% 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  max-width: var(--container-width);
  margin: 0 auto 5rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: #fff;
  margin-bottom: 2rem;
  display: block;
  text-transform: uppercase;
}

.footer-info p {
  color: rgba(255,255,255,0.6);
  margin-bottom: 0.5rem;
}

.footer-links h4 {
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  margin-bottom: 2rem;
}

.footer-links ul li {
  margin-bottom: 1rem;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  max-width: var(--container-width);
  margin: 0 auto;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  color: rgba(255,255,255,0.4);
  font-size: 0.85rem;
  margin-bottom: 0;
}

/* Responsive */
@media (max-width: 992px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  .product-container { grid-template-columns: 1fr; }
  .product-gallery-main { position: relative; top: 0; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .title-xl { font-size: 3.5rem; }
  .gallery-grid { grid-template-columns: 1fr; }
  .ed-quote { font-size: 1.8rem; }
}