/* ==========================================================================
   INDUSTRIAL & MACHINERY SUPPLY LAB - GLOBAL DESIGN SYSTEM
   Modern, Precision Engineering Theme
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
  /* Core Color Palette */
  --bg-primary: #0b1325;
  --bg-secondary: #111e38;
  --bg-card: #152238;
  --bg-card-hover: #1c2e4a;
  --bg-surface-light: #f8fafc;
  --bg-surface-card: #ffffff;
  
  /* Brand Accent Colors */
  --primary-blue: #2563eb;
  --primary-blue-hover: #1d4ed8;
  --primary-blue-light: #60a5fa;
  --cyan-accent: #06b6d4;
  --emerald-action: #059669;
  --emerald-hover: #047857;
  --emerald-light: #10b981;
  --amber-warning: #f59e0b;
  --gold-star: #fbbf24;
  --danger-red: #ef4444;

  /* Text Colors */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-light: #f8fafc;
  --text-light-muted: #94a3b8;
  --text-cyan: #38bdf8;

  /* Borders & Dividers */
  --border-light: #e2e8f0;
  --border-medium: #cbd5e1;
  --border-dark: rgba(255, 255, 255, 0.08);
  --border-cyan: rgba(56, 189, 248, 0.25);
  
  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Shadows & Elevations */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-card: 0 4px 20px rgba(15, 23, 42, 0.08);
  --shadow-card-hover: 0 12px 30px rgba(37, 99, 235, 0.15);
  --shadow-glow: 0 0 20px rgba(56, 189, 248, 0.25);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Layout */
  --max-width: 1280px;
  --nav-height: 76px;
}

/* ==========================================================================
   Resets & Base Styles
   ========================================================================== */

*, *::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-surface-light);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

/* ==========================================================================
   Typography Utilities
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

/* Explicit high-contrast white text for dark hero and header sections */
.hero-title,
.hero-section h1,
.catalog-header h1,
.catalog-header .hero-title,
.about-hero h1,
.about-hero .hero-title,
.contact-hero h1,
.contact-hero .hero-title,
.bg-dark h1,
.bg-dark h2,
.bg-dark h3,
.bg-dark h4,
.bg-dark h5,
.bg-dark h6 {
  color: #ffffff !important;
}


.text-gradient {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--cyan-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-gold {
  background: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--primary-blue);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto 40px auto;
}

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

/* ==========================================================================
   Layout Containers
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 80px 0;
}

.section-padding-sm {
  padding: 48px 0;
}

.bg-dark {
  background-color: var(--bg-primary);
  color: var(--text-light);
}

.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 {
  color: var(--text-light);
}

.bg-dark .section-subtitle {
  color: var(--text-light-muted);
}

.bg-light {
  background-color: var(--bg-surface-light);
}

.bg-white {
  background-color: #ffffff;
}

/* ==========================================================================
   Buttons & Interactive Elements
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-pill);
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-blue) 0%, #1d4ed8 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-light);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

.btn-secondary-light {
  background: #ffffff;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-secondary-light:hover {
  border-color: var(--primary-blue);
  color: var(--primary-blue);
  background: #f8fafc;
}

.btn-emerald {
  background: linear-gradient(135deg, var(--emerald-action) 0%, #047857 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(5, 150, 105, 0.3);
}

.btn-emerald:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(5, 150, 105, 0.45);
}

/* ==========================================================================
   Badges
   ========================================================================== */

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
}

.badge-stock-in {
  background: rgba(16, 185, 129, 0.15);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-stock-ready {
  background: rgba(6, 182, 212, 0.15);
  color: #0891b2;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.badge-stock-order {
  background: rgba(245, 158, 11, 0.15);
  color: #d97706;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* ==========================================================================
   Accessibility & Animations
   ========================================================================== */

@keyframes pulseGlow {
  0%, 100% { opacity: 0.8; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

/* Mobile Responsiveness Helpers */
@media (max-width: 768px) {
  .section-title {
    font-size: 1.85rem;
  }
  .section-padding {
    padding: 56px 0;
  }
  .container {
    padding: 0 16px;
  }
}