/* 
   SPARE X TECHNICAL SUPPLIES - ULTIMATE INDUSTRIAL WEB SYSTEM
   Location: Abu Dhabi, United Arab Emirates
   Design System: Architectural Swiss / High Contrast Monochrome + Safety Orange (#FF4500)
   Fonts: Technovier Regular (Logo), Bebas Neue (PDF Headings), Barlow Condensed, Inter (Clean Body)
   Optimization: Pixel-Perfect Viewport Scaled Mobile Responsiveness & Edge-to-Edge UAE Ribbon Banner
   Rules: Strictly NO gradients, NO glow effects. Pure solid contrast & precision grid alignment.
*/

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700;800;900&family=Bebas+Neue&family=Chakra+Petch:wght@700&family=Inter:wght@300;400;500;600;700&family=Orbitron:wght@800;900&family=Space+Mono:wght@400;700&display=swap');

@font-face {
  font-family: 'Technovier';
  src: local('Technovier Regular'), local('Technovier-Regular'), local('Technovier');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg-dark: #121315;
  --bg-dark-surface: #191B1F;
  --bg-dark-card: #202329;
  --bg-light: #F4F3EF;
  --bg-light-surface: #EAE8E0;
  --bg-light-card: #FFFFFF;
  
  --orange: #FF4500;
  --orange-dark: #D93B00;

  --text-white: #FFFFFF;
  --text-dark: #121315;
  --text-gray-light: #A0A7B5;
  --text-gray-dark: #555C66;
  
  --border-dark: #2A2E36;
  --border-light: #D5D2C7;
  
  --font-logo: 'Technovier', 'Technovier Regular', 'Orbitron', 'Chakra Petch', -apple-system, sans-serif;
  --font-heading: 'Bebas Neue', 'Barlow Condensed', sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'Space Mono', monospace;
  
  --container-width: 1280px;
  --header-height: 85px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-dark);
  color: var(--text-white);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  width: 100%;
  min-height: 100vh;
}

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

ul {
  list-style: none;
}

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

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

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

/* Technical Corner Mark Decoration */
.technical-corner {
  position: relative;
}

.technical-corner::before,
.technical-corner::after {
  content: "+";
  position: absolute;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--orange);
  line-height: 1;
  pointer-events: none;
  z-index: 2;
}

.technical-corner--top-left::before { top: 16px; left: 20px; }
.technical-corner--top-right::after { top: 16px; right: 20px; }

/* Main Site Navigation Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(18, 19, 21, 0.98);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-dark);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

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

/* Brand Logo */
.brand-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  flex-shrink: 0;
}

.brand-logo-main {
  font-family: 'Technovier', 'Technovier Regular', 'Orbitron', 'Chakra Petch', sans-serif;
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-white);
  display: flex;
  align-items: center;
}

.brand-logo-main .x-mark {
  color: var(--orange);
}

.brand-logo-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--text-gray-light);
  text-transform: uppercase;
  margin-top: 3px;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-gray-light);
  padding: 0.5rem 0;
  position: relative;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-white);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--orange);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.4rem;
  background-color: var(--orange);
  color: var(--text-white);
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--orange);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-cta:hover {
  background-color: var(--orange-dark);
  border-color: var(--orange-dark);
}

/* Mobile Toggle Hamburger Icon */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-dark);
  background-color: rgba(255, 255, 255, 0.03);
  flex-shrink: 0;
  transition: border-color var(--transition-fast);
}

.mobile-toggle:hover {
  border-color: var(--orange);
}

.mobile-toggle span {
  width: 18px;
  height: 2px;
  background-color: var(--text-white);
  transition: all var(--transition-fast);
}

/* Section Structure: Alternating Dark & Light */
.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-dark {
  background-color: var(--bg-dark);
  color: var(--text-white);
  border-bottom: 1px solid var(--border-dark);
}

.section-dark-surface {
  background-color: var(--bg-dark-surface);
  color: var(--text-white);
  border-bottom: 1px solid var(--border-dark);
}

.section-light {
  background-color: var(--bg-light);
  color: var(--text-dark);
  border-bottom: 1px solid var(--border-light);
}

.section-light-surface {
  background-color: var(--bg-light-surface);
  color: var(--text-dark);
  border-bottom: 1px solid var(--border-light);
}

/* Founder Message Top Hero Section with Vibrant Faded UAE Flag Background */
.section-founder-hero {
  background-color: #FFFFFF;
  background-image: linear-gradient(rgba(255, 255, 255, 0.60), rgba(255, 255, 255, 0.65)), url('uae-flag.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--text-dark);
  position: relative;
  border-bottom: 1px solid var(--border-light);
  padding: 0 0 5.5rem;
}

/* Full-Width Edge-to-Edge UAE Ribbon Banner Container with Subtle Soft White Edge Blending */
.uae-ribbon-fullbleed {
  width: 100%;
  height: 80px;
  overflow: hidden;
  position: relative;
  margin-top: 1.2rem;
  margin-bottom: 0.5rem;
  background-color: #FFFFFF;
}

/* Subtle Low-Intensity Soft White Blending Fade Overlays on Top & Bottom Borders */
.uae-ribbon-fullbleed::before,
.uae-ribbon-fullbleed::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 6px;
  z-index: 2;
  pointer-events: none;
}

.uae-ribbon-fullbleed::before {
  top: 0;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.65), rgba(255, 255, 255, 0));
}

.uae-ribbon-fullbleed::after {
  bottom: 0;
  background: linear-gradient(to top, rgba(255, 255, 255, 0.65), rgba(255, 255, 255, 0));
}

.uae-ribbon-fullbleed img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  opacity: 0.95;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.04));
  mask-image: linear-gradient(to right, transparent 0%, black 2%, black 98%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 2%, black 98%, transparent 100%);
}

/* Product Gallery Grid Styles */
.product-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 0.75rem;
  margin-top: 1.2rem;
}

.product-img-card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-light);
  padding: 0.4rem;
  border-radius: 2px;
  overflow: hidden;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.card-dark .product-img-card {
  background-color: var(--bg-dark-surface);
  border-color: var(--border-dark);
}

.product-img-card img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

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

/* Headings */
.heading-xl {
  font-family: var(--font-heading);
  font-size: 4.5rem;
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.heading-lg {
  font-family: var(--font-heading);
  font-size: 3.2rem;
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.heading-md {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.heading-sm {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.lead-text {
  font-size: 1.1rem;
  font-weight: 400;
  line-height: 1.7;
}

.section-dark .lead-text {
  color: var(--text-gray-light);
}

.section-light .lead-text,
.section-founder-hero .lead-text {
  color: var(--text-gray-dark);
}

/* Grids & Cards */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

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

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

.grid-span-2 {
  grid-column: span 2;
}

.card-dark {
  background-color: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  padding: 2.2rem;
  transition: border-color var(--transition-fast);
}

.card-dark:hover {
  border-color: var(--orange);
}

.card-light {
  background-color: var(--bg-light-card);
  border: 1px solid var(--border-light);
  padding: 2.2rem;
  transition: border-color var(--transition-fast);
}

.card-light:hover {
  border-color: var(--orange);
}

/* Helper Class for Mini Stats Grid */
.metrics-mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  text-align: center;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 2.2rem;
  background-color: var(--orange);
  color: var(--text-white);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--orange);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary:hover {
  background-color: var(--orange-dark);
  border-color: var(--orange-dark);
}

.btn-secondary-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 2.2rem;
  background-color: transparent;
  color: var(--text-white);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--border-dark);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-secondary-dark:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.btn-secondary-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 2.2rem;
  background-color: transparent;
  color: var(--text-dark);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--border-light);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-secondary-light:hover {
  border-color: var(--orange);
  color: var(--orange);
}

/* Metrics Counter Banner */
.metrics-strip {
  background-color: #0C0D0F;
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
  padding: 3rem 0;
}

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

.metric-item {
  border-left: 2px solid var(--orange);
  padding-left: 1.5rem;
}

.metric-number {
  font-family: var(--font-heading);
  font-size: 4rem;
  line-height: 0.9;
  color: var(--text-white);
  margin-bottom: 0.3rem;
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--text-gray-light);
  text-transform: uppercase;
}

/* Portfolio Tabs */
.tab-navigation {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-dark);
  padding-bottom: 1rem;
}

.tab-btn {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--border-dark);
  background-color: var(--bg-dark-card);
  color: var(--text-gray-light);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.tab-btn:hover,
.tab-btn.active {
  background-color: var(--orange);
  border-color: var(--orange);
  color: var(--text-white);
}

/* Responsive Action Row Helper */
.action-row-responsive {
  display: flex;
  gap: 1rem;
}

/* Footer Architecture */
.site-footer {
  background-color: #0A0B0C;
  color: var(--text-white);
  border-top: 1px solid var(--border-dark);
  padding: 4.5rem 0 2rem;
  font-size: 0.9rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  color: var(--text-white);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-links a {
  color: var(--text-gray-light);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-dark);
  padding-top: 1.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-gray-dark);
  text-transform: uppercase;
}

/* Comprehensive Pixel-Level Responsive Media Queries for Mobile & Tablet */
@media (max-width: 1024px) {
  .heading-xl { font-size: 3.5rem; }
  .heading-lg { font-size: 2.5rem; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.25rem !important;
  }

  .section {
    padding: 3.25rem 0 !important;
  }

  .section-founder-hero {
    padding: 0 0 2.8rem !important;
  }

  .uae-ribbon-fullbleed {
    height: 58px !important;
    margin-top: 0.8rem !important;
  }

  .product-gallery {
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)) !important;
    gap: 0.5rem !important;
  }
  
  .product-img-card {
    height: 80px !important;
  }

  .technical-corner--top-left::before { top: 10px; left: 12px; }
  .technical-corner--top-right::after { top: 10px; right: 12px; }

  .site-header {
    height: 68px !important;
  }

  .site-header .nav-cta {
    font-size: 0.82rem !important;
    padding: 0.4rem 0.75rem !important;
    white-space: nowrap !important;
    letter-spacing: 0.04em !important;
    height: 36px !important;
    display: inline-flex !important;
    align-items: center !important;
  }

  .nav-menu {
    position: fixed;
    top: 68px;
    left: 0;
    width: 100%;
    height: calc(100vh - 68px);
    background-color: #0E0F11;
    flex-direction: column;
    align-items: flex-start;
    padding: 1.8rem 1.5rem;
    gap: 0;
    transform: translateX(-100%);
    transition: transform var(--transition-smooth);
    z-index: 999;
    overflow-y: auto;
    border-top: 1px solid var(--border-dark);
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .nav-link {
    font-size: 1.4rem !important;
    padding: 0.85rem 0 !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    width: 100%;
  }

  .mobile-toggle {
    display: flex !important;
  }

  .heading-xl { font-size: 2.5rem !important; line-height: 0.98 !important; margin-bottom: 1rem !important; }
  .heading-lg { font-size: 1.85rem !important; line-height: 1.05 !important; margin-bottom: 1rem !important; }
  .heading-md { font-size: 1.45rem !important; line-height: 1.1 !important; }
  .heading-sm { font-size: 1.18rem !important; }
  .lead-text { font-size: 0.98rem !important; line-height: 1.6 !important; }

  /* Responsive Grid Overrides */
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr !important;
    gap: 1.25rem !important;
  }

  .grid-span-2 {
    grid-column: auto / span 1 !important;
  }

  .metrics-grid {
    grid-template-columns: 1fr !important;
    gap: 1.4rem !important;
  }

  .metric-item {
    padding-left: 1.2rem !important;
    border-left-width: 3px !important;
  }

  .metric-number {
    font-size: 3.2rem !important;
  }

  .metrics-mini-grid {
    grid-template-columns: 1fr !important;
    gap: 0.75rem !important;
  }

  /* Portfolio Tabs Mobile Horizontal Scroll */
  .tab-navigation {
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    padding-bottom: 0.8rem !important;
    margin-bottom: 1.8rem !important;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .tab-navigation::-webkit-scrollbar {
    display: none;
  }

  .tab-btn {
    font-size: 0.85rem !important;
    padding: 0.48rem 0.85rem !important;
    flex-shrink: 0 !important;
  }

  /* Card Padding Optimization */
  .card-dark, .card-light {
    padding: 1.35rem 1.15rem !important;
  }

  /* Action Buttons Full Width on Mobile */
  .btn-primary, .btn-secondary-dark, .btn-secondary-light {
    width: 100% !important;
    text-align: center !important;
    font-size: 1.1rem !important;
    padding: 0.85rem 1rem !important;
  }

  .action-row-responsive {
    flex-direction: column !important;
    width: 100% !important;
    gap: 0.8rem !important;
  }

  .footer-top {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
    margin-bottom: 2.2rem !important;
  }

  .footer-bottom {
    flex-direction: column !important;
    gap: 0.8rem !important;
    text-align: center !important;
    padding-top: 1.4rem !important;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem !important;
  }

  .uae-ribbon-fullbleed {
    height: 44px !important;
    margin-top: 0.5rem !important;
  }

  .brand-logo-main {
    font-size: 1.4rem !important;
    letter-spacing: 0.1em !important;
  }

  .brand-logo-sub {
    font-size: 0.48rem !important;
    letter-spacing: 0.16em !important;
  }

  .site-header .nav-cta {
    font-size: 0.75rem !important;
    padding: 0.35rem 0.55rem !important;
    height: 32px !important;
  }

  .heading-xl { font-size: 2.15rem !important; }
  .heading-lg { font-size: 1.65rem !important; }
}