/* ===== Custom Properties ===== */
:root {
  --color-primary: #000000; --color-secondary: #FF6B35; --color-accent: #F7931E;
  --color-neutral-light: #F5F5F5; --color-neutral-dark: #1A1A1A; --color-white: #FFFFFF;
  --color-text: #E0E0E0; --color-text-muted: #999999; --color-border: #333333;
  --color-card-bg: #1E1E1E; --color-hover: #E55A24;
  --font-heading: 'Space Grotesk', sans-serif; --font-body: 'IBM Plex Sans', sans-serif;
  --fs-h1: 48px; --fs-h2: 36px; --fs-h3: 28px; --fs-h4: 20px; --fs-body: 16px; --fs-small: 14px;
  --fw-heading: 700; --fw-heading-regular: 600; --fw-body: 400; --fw-body-semibold: 600;
  --spacing-xs: 8px; --spacing-sm: 16px; --spacing-md: 24px; --spacing-lg: 32px;
  --spacing-xl: 48px; --spacing-2xl: 64px;
  --radius-btn: 4px; --radius-card: 8px;
  --shadow-card: 0px 2px 8px rgba(0,0,0,0.3); --max-width: 1200px; --transition: 0.3s ease;
}
/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); font-size: var(--fs-body); font-weight: var(--fw-body); color: var(--color-text); background-color: var(--color-primary); line-height: 1.6; }
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: var(--fw-heading); color: var(--color-white); line-height: 1.2; }
h1 { font-size: var(--fs-h1); } h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); } h4 { font-size: var(--fs-h4); }
a { color: var(--color-secondary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--spacing-md); }
/* ===== Buttons ===== */
.btn { display: inline-block; font-family: var(--font-heading); font-weight: var(--fw-heading-regular); font-size: var(--fs-body); padding: 12px 24px; border-radius: var(--radius-btn); border: none; cursor: pointer; transition: background-color var(--transition), transform var(--transition); text-align: center; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background-color: var(--color-secondary); color: var(--color-white); }
.btn-primary:hover { background-color: var(--color-hover); color: var(--color-white); }
.btn-secondary { background-color: transparent; color: var(--color-white); border: 2px solid var(--color-white); }
.btn-secondary:hover { background-color: var(--color-white); color: var(--color-primary); }
/* ===== Navbar ===== */
.navbar { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background-color: rgba(0,0,0,0.95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--color-border); transition: background-color var(--transition); }
.navbar .container { display: flex; align-items: center; justify-content: space-between; padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.navbar-brand { display: flex; align-items: center; gap: var(--spacing-xs); }
.navbar-brand img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.navbar-brand span { font-family: var(--font-heading); font-weight: var(--fw-heading); font-size: var(--fs-h4); color: var(--color-white); letter-spacing: -0.5px; }
.nav-links { display: flex; align-items: center; gap: var(--spacing-lg); }
.nav-links a { font-family: var(--font-body); font-weight: var(--fw-body-semibold); font-size: var(--fs-small); color: var(--color-text); text-transform: uppercase; letter-spacing: 1px; position: relative; }
.nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background-color: var(--color-secondary); transition: width var(--transition); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a:hover, .nav-links a.active { color: var(--color-white); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: var(--spacing-xs); }
.hamburger span { display: block; width: 24px; height: 2px; background-color: var(--color-white); transition: transform var(--transition), opacity var(--transition); }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
/* ===== Breadcrumbs ===== */
.breadcrumbs { padding: var(--spacing-sm) 0; font-size: var(--fs-small); color: var(--color-text-muted); }
.breadcrumbs a { color: var(--color-text-muted); }
.breadcrumbs a:hover { color: var(--color-secondary); }
.breadcrumbs span { color: var(--color-text); }
/* ===== Hero ===== */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; filter: brightness(0.3); }
.hero-content { position: relative; z-index: 1; max-width: 700px; padding: var(--spacing-md); }
.hero h1 { font-size: clamp(32px, 6vw, 64px); margin-bottom: var(--spacing-sm); text-transform: uppercase; letter-spacing: 2px; }
.hero .tagline { font-size: clamp(16px, 2.5vw, 22px); color: var(--color-accent); margin-bottom: var(--spacing-md); font-family: var(--font-heading); font-weight: var(--fw-heading-regular); }
.hero p { margin-bottom: var(--spacing-lg); font-size: 18px; }
.hero-buttons { display: flex; gap: var(--spacing-sm); justify-content: center; flex-wrap: wrap; }
/* ===== Page Hero ===== */
.page-hero { padding: 140px 0 var(--spacing-xl); background: linear-gradient(135deg, var(--color-neutral-dark), var(--color-primary)); text-align: center; }
.page-hero h1 { margin-bottom: var(--spacing-sm); }
.page-hero p { max-width: 600px; margin: 0 auto; color: var(--color-text-muted); }
/* ===== Sections ===== */
.section { padding: var(--spacing-2xl) 0; }
.section-header { text-align: center; margin-bottom: var(--spacing-xl); }
.section-header h2 { margin-bottom: var(--spacing-xs); }
.section-header p { color: var(--color-text-muted); max-width: 600px; margin: 0 auto; }
.section-dark { background-color: var(--color-neutral-dark); }
.section-accent { background: linear-gradient(135deg, var(--color-secondary), var(--color-accent)); }
/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-xl); align-items: center; }
.about-grid img { border-radius: var(--radius-card); width: 100%; object-fit: cover; }
.about-text h2 { margin-bottom: var(--spacing-sm); }
.about-text p { margin-bottom: var(--spacing-md); }
/* ===== Services ===== */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--spacing-md); }
.service-card { background-color: var(--color-card-bg); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: var(--spacing-lg); text-align: center; transition: transform var(--transition), border-color var(--transition); }
.service-card:hover { transform: translateY(-4px); border-color: var(--color-secondary); }
.service-icon { margin-bottom: var(--spacing-sm); color: var(--color-secondary); }
.service-icon svg { width: 40px; height: 40px; }
.service-card h3 { font-size: var(--fs-h4); margin-bottom: var(--spacing-xs); }
/* ===== Products ===== */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--spacing-md); }
.product-card { background-color: var(--color-card-bg); border: 1px solid var(--color-border); border-radius: var(--radius-card); overflow: hidden; transition: transform var(--transition), border-color var(--transition); }
.product-card:hover { transform: translateY(-4px); border-color: var(--color-secondary); }
.product-card-img { position: relative; overflow: hidden; aspect-ratio: 1; }
.product-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.product-card:hover .product-card-img img { transform: scale(1.05); }
.product-badge { position: absolute; top: var(--spacing-xs); left: var(--spacing-xs); background-color: var(--color-secondary); color: var(--color-white); font-size: var(--fs-small); font-weight: var(--fw-body-semibold); padding: 4px 12px; border-radius: var(--radius-btn); }
.product-card-body { padding: var(--spacing-sm); }
.product-brand { font-size: var(--fs-small); color: var(--color-accent); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.product-card-body h3 { font-size: 18px; margin-bottom: var(--spacing-xs); }
.product-condition { font-size: var(--fs-small); color: var(--color-text-muted); margin-bottom: var(--spacing-sm); }
.product-card-body .btn { width: 100%; font-size: var(--fs-small); padding: 10px 16px; }
/* ===== Filters ===== */
.filter-tabs { display: flex; flex-wrap: wrap; gap: var(--spacing-xs); justify-content: center; margin-bottom: var(--spacing-lg); }
.filter-tab { background-color: var(--color-card-bg); color: var(--color-text); border: 1px solid var(--color-border); border-radius: var(--radius-btn); padding: 8px 20px; font-family: var(--font-heading); font-weight: var(--fw-heading-regular); font-size: var(--fs-small); cursor: pointer; transition: all var(--transition); }
.filter-tab:hover, .filter-tab.active { background-color: var(--color-secondary); border-color: var(--color-secondary); color: var(--color-white); }
/* ===== Brands ===== */
.brands-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--spacing-lg); align-items: center; }
.brand-item { background-color: var(--color-card-bg); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: var(--spacing-md) var(--spacing-lg); font-family: var(--font-heading); font-weight: var(--fw-heading); font-size: 18px; color: var(--color-text); transition: all var(--transition); }
.brand-item:hover { border-color: var(--color-secondary); color: var(--color-white); }
/* ===== Gallery ===== */
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: var(--spacing-sm); }
.gallery-item { position: relative; overflow: hidden; border-radius: var(--radius-card); cursor: pointer; aspect-ratio: 1; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.gallery-item:hover img { transform: scale(1.08); }
.gallery-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.6); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity var(--transition); }
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span { color: var(--color-white); font-family: var(--font-heading); font-size: var(--fs-small); text-transform: uppercase; letter-spacing: 1px; }
/* ===== Lightbox ===== */
.lightbox { display: none; position: fixed; inset: 0; z-index: 2000; background: rgba(0,0,0,0.95); align-items: center; justify-content: center; }
.lightbox.active { display: flex; }
.lightbox img { max-width: 90%; max-height: 85vh; border-radius: var(--radius-card); }
.lightbox-close { position: absolute; top: var(--spacing-md); right: var(--spacing-md); background: none; border: none; color: var(--color-white); font-size: 32px; cursor: pointer; z-index: 2001; }
.lightbox-nav { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,0.1); border: none; color: var(--color-white); font-size: 28px; padding: 16px; cursor: pointer; transition: background var(--transition); }
.lightbox-nav:hover { background: rgba(255,255,255,0.2); }
.lightbox-prev { left: var(--spacing-md); }
.lightbox-next { right: var(--spacing-md); }
/* ===== CTA ===== */
.cta-section { padding: var(--spacing-2xl) 0; text-align: center; }
.cta-section h2 { margin-bottom: var(--spacing-sm); }
.cta-section p { max-width: 500px; margin: 0 auto var(--spacing-lg); }
/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-xl); }
.form-group { margin-bottom: var(--spacing-sm); }
.form-group label { display: block; font-weight: var(--fw-body-semibold); margin-bottom: 4px; color: var(--color-text); }
.form-group input, .form-group textarea, .form-group select { width: 100%; background-color: var(--color-neutral-dark); border: 1px solid var(--color-border); border-radius: var(--radius-btn); padding: 12px 16px; color: var(--color-text); font-family: var(--font-body); font-size: var(--fs-body); transition: border-color var(--transition); }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--color-secondary); }
.form-group textarea { resize: vertical; min-height: 120px; }
.contact-info-card { background-color: var(--color-card-bg); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: var(--spacing-lg); }
.contact-info-card h3 { margin-bottom: var(--spacing-md); }
.contact-item { display: flex; align-items: flex-start; gap: var(--spacing-sm); margin-bottom: var(--spacing-md); }
.contact-item-icon { color: var(--color-secondary); font-size: 20px; min-width: 24px; }
.social-links { display: flex; gap: var(--spacing-sm); margin-top: var(--spacing-md); }
.social-link { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 50%; background-color: var(--color-neutral-dark); color: var(--color-text); font-size: 20px; transition: all var(--transition); }
.social-link:hover { background-color: var(--color-secondary); color: var(--color-white); }
/* ===== Values ===== */
.values-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--spacing-md); }
.value-card { background-color: var(--color-card-bg); border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: var(--spacing-lg); text-align: center; transition: border-color var(--transition); }
.value-card:hover { border-color: var(--color-secondary); }
.value-card h3 { font-size: var(--fs-h4); margin-bottom: var(--spacing-xs); }
/* ===== Timeline ===== */
.timeline { position: relative; max-width: 600px; margin: 0 auto; }
.timeline::before { content: ''; position: absolute; left: 20px; top: 0; bottom: 0; width: 2px; background-color: var(--color-border); }
.timeline-item { position: relative; padding-left: 56px; margin-bottom: var(--spacing-lg); }
.timeline-dot { position: absolute; left: 12px; top: 4px; width: 18px; height: 18px; border-radius: 50%; background-color: var(--color-secondary); border: 3px solid var(--color-primary); }
.timeline-item h4 { margin-bottom: 4px; }
.timeline-item p { color: var(--color-text-muted); font-size: var(--fs-small); }
/* ===== Footer ===== */
.footer { background-color: var(--color-neutral-dark); border-top: 1px solid var(--color-border); padding: var(--spacing-xl) 0 var(--spacing-md); }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-lg); margin-bottom: var(--spacing-lg); }
.footer h4 { font-size: 18px; margin-bottom: var(--spacing-sm); color: var(--color-white); }
.footer p, .footer a { font-size: var(--fs-small); color: var(--color-text-muted); }
.footer a:hover { color: var(--color-secondary); }
.footer-links li { margin-bottom: var(--spacing-xs); }
.footer-bottom { border-top: 1px solid var(--color-border); padding-top: var(--spacing-md); text-align: center; font-size: var(--fs-small); color: var(--color-text-muted); }
/* ===== Fade In ===== */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
/* ===== Responsive: 1200px ===== */
@media (max-width: 1200px) { .container { max-width: 960px; } }
/* ===== Responsive: 992px ===== */
@media (max-width: 992px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { gap: var(--spacing-lg); }
}
/* ===== Responsive: 768px ===== */
@media (max-width: 768px) {
  :root { --fs-h1: 36px; --fs-h2: 28px; --fs-h3: 22px; }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; width: 100%; background-color: rgba(0,0,0,0.98); flex-direction: column; padding: var(--spacing-md); gap: var(--spacing-sm); border-bottom: 1px solid var(--color-border); }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero { min-height: 80vh; }
}
/* ===== Responsive: 576px ===== */
@media (max-width: 576px) {
  .container { padding: 0 var(--spacing-sm); }
  .footer-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-buttons { flex-direction: column; align-items: center; }
  .section { padding: var(--spacing-xl) 0; }
}