/* ==========================================================================
   ZK SPORTS - Premium B2B Sportswear Manufacturer Styling
   Design Direction: Athletic + Performance + Dark Mode Luxury + High Voltage Accent
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Teko:wght@500;600;700&display=swap');

:root {
  --bg-dark: #0B0D12;
  --bg-surface: #121620;
  --bg-card: #181E2C;
  --bg-card-hover: #20283A;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(212, 255, 0, 0.4);
  
  --accent-volt: #D4FF00;
  --accent-volt-hover: #BEF000;
  --accent-cyan: #00F0FF;
  --accent-red: #FF3366;
  
  --text-primary: #FFFFFF;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  
  --font-heading: 'Teko', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  
  --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 25px rgba(212, 255, 0, 0.15);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

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

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

ul {
  list-style: none;
}

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

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.05;
  color: var(--text-primary);
}

.text-volt {
  color: var(--accent-volt);
}

.text-cyan {
  color: var(--accent-cyan);
}

.text-muted {
  color: var(--text-secondary);
}

.section-title-wrapper {
  margin-bottom: 3rem;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent-volt);
  background: rgba(212, 255, 0, 0.08);
  border: 1px solid rgba(212, 255, 0, 0.25);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 0.8rem;
}

.section-title {
  font-size: 3.2rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 650px;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 5rem 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-volt);
  color: #0B0D12;
  border-color: var(--accent-volt);
}

.btn-primary:hover {
  background: var(--accent-volt-hover);
  border-color: var(--accent-volt-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--text-primary);
  transform: translateY(-2px);
}

.btn-outline-volt {
  background: transparent;
  color: var(--accent-volt);
  border-color: var(--accent-volt);
}

.btn-outline-volt:hover {
  background: var(--accent-volt);
  color: #0B0D12;
  box-shadow: var(--shadow-glow);
}

/* Top Announcement Bar */
.top-bar {
  background: #07080C;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.85rem;
  padding: 8px 0;
  color: var(--text-secondary);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.top-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.top-info span, .top-info a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.top-badge {
  background: rgba(0, 240, 255, 0.1);
  color: var(--accent-cyan);
  padding: 2px 10px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.75rem;
}

/* Header & Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 13, 18, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 75px;
  gap: 1.2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 2px;
  white-space: nowrap;
  flex-shrink: 0;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-volt);
  color: #0B0D12;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  border-radius: 8px;
  transform: skewX(-10deg);
}

.logo-text span {
  color: var(--accent-volt);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  flex-wrap: nowrap;
}

.nav-link {
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-volt);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-volt);
  border-radius: 2px;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.nav-cta .btn {
  padding: 0.65rem 1.4rem;
  font-size: 0.85rem;
  white-space: nowrap;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.8rem;
  cursor: pointer;
}

/* Mobile Drawer Menu */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px;
  height: 100vh;
  background: var(--bg-surface);
  z-index: 1050;
  padding: 2rem;
  transition: var(--transition);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

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

.mobile-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.close-drawer {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.8rem;
  cursor: pointer;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.mobile-nav-links a {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 7rem 0 6rem 0;
  overflow: hidden;
  background: radial-gradient(circle at 70% 30%, rgba(212, 255, 0, 0.05) 0%, transparent 60%),
              radial-gradient(circle at 20% 80%, rgba(0, 240, 255, 0.04) 0%, transparent 60%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-title {
  font-size: 4.8rem;
  line-height: 0.95;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-cta-group {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats-row {
  display: flex;
  gap: 2.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

.stat-item h3 {
  font-size: 2.2rem;
  color: var(--accent-volt);
  margin-bottom: 0.1rem;
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-visual {
  position: relative;
}

.hero-image-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.hero-badge-floating {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(18, 22, 32, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid var(--accent-volt);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

/* Category Grid Cards */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.category-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-volt);
  box-shadow: var(--shadow-glow);
}

.category-thumb {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.category-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.category-card:hover .category-thumb img {
  transform: scale(1.08);
}

.category-body {
  padding: 1.8rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.category-body h3 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.category-body p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* Product Cards */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 2rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--accent-volt);
  transform: translateY(-6px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.product-thumb {
  position: relative;
  height: 260px;
  background: #111520;
  overflow: hidden;
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.product-badge {
  position: absolute;
  top: 15px;
  left: 15px;
  background: var(--accent-volt);
  color: #0B0D12;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
}

.product-details {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.product-category-name {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--accent-volt);
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 0.3rem;
}

.product-title {
  font-size: 1.5rem;
  line-height: 1.1;
  margin-bottom: 0.6rem;
}

.product-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-meta-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.meta-chip {
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 4px;
  color: var(--text-secondary);
}

/* Filter Controls */
.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  background: var(--bg-surface);
  padding: 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--accent-volt);
  color: #0B0D12;
}

.search-box {
  position: relative;
  min-width: 260px;
}

.search-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 10px 15px 10px 40px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
}

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

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
}

/* Workflow Step Cards */
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.workflow-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  position: relative;
}

.step-number {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  color: rgba(212, 255, 0, 0.2);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.workflow-card h3 {
  font-size: 1.7rem;
  margin-bottom: 0.8rem;
}

.workflow-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* B2B Quote Form */
.quote-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-sm);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
}

.form-control {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-volt);
  box-shadow: 0 0 0 3px rgba(212, 255, 0, 0.15);
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: #25D366;
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  color: #FFFFFF;
}

/* Footer Styling */
.site-footer {
  background: #07080C;
  border-top: 1px solid var(--border-color);
  padding: 5rem 0 2rem 0;
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-col h4 {
  font-size: 1.4rem;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-links a:hover {
  color: var(--accent-volt);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

/* Responsive Rules */
@media (max-width: 1100px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 3.5rem;
  }
  .nav-menu, .nav-cta .btn {
    display: none;
  }
  .hamburger {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-group.full-width {
    grid-column: span 1;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .section-title {
    font-size: 2.4rem;
  }
}