/* ==========================================================================
   ALTEK Teknoloji Takımı - TACTICAL COMMAND DESIGN SYSTEM
   Base Styles, Theme Variables, and Utility Classes
   ========================================================================== */

:root,
html.dark,
html[data-theme="dark"] {
  color-scheme: dark;
  /* Surface & Background (RGB channels for Tailwind opacity support) */
  --color-surface: 18 20 20;
  --color-surface-dim: 14 16 16;
  --color-surface-bright: 56 57 57;
  --color-surface-container-lowest: 13 14 15;
  --color-surface-container-low: 26 28 28;
  --color-surface-container: 30 32 32;
  --color-surface-container-high: 41 42 42;
  --color-surface-container-highest: 52 53 53;
  --color-surface-variant: 52 53 53;
  --color-background: 18 20 20;

  /* On-Surface & Text */
  --color-on-surface: 227 226 226;
  --color-on-surface-variant: 197 199 198;
  --color-on-background: 227 226 226;
  --color-inverse-surface: 227 226 226;
  --color-inverse-on-surface: 47 49 49;

  /* Primary (Official ALTEK Tactical Orange & Black Identity) */
  --color-primary: 247 152 15;          /* #F7980F - ALTEK Tactical Orange */
  --color-primary-container: 247 152 15;/* #F7980F - ALTEK Orange */
  --color-primary-orange: 247 152 15;
  --color-on-primary: 18 20 20;          /* Koyu metin - turuncu üzerinde yüksek kontrast */
  --color-on-primary-container: 18 20 20;
  --color-primary-fixed: 255 237 213;
  --color-primary-fixed-dim: 247 152 15;

  /* Secondary & Neutral */
  --color-secondary: 201 198 197;
  --color-on-secondary: 49 48 48;
  --color-secondary-container: 72 70 70;
  --color-on-secondary-container: 184 180 180;

  /* Tertiary / Telemetry Cyan */
  --color-tertiary: 136 206 255;
  --color-on-tertiary: 0 52 77;
  --color-tertiary-container: 0 179 252;

  /* Borders & Grids */
  --color-outline: 143 145 144;
  --color-outline-variant: 68 71 71;
  --color-border-dark: #262828;
  --color-grid-dot: rgba(227, 226, 226, 0.12);
  --color-glass-bg: rgba(18, 20, 20, 0.85);
  --color-glass-card-bg: rgba(26, 28, 28, 0.75);
  --color-glass-border: rgba(255, 255, 255, 0.08);
  --color-card-border: #262828;
}

html.light,
html[data-theme="light"] {
  color-scheme: light;
  /* Surface & Background */
  --color-surface: 255 255 255;
  --color-surface-dim: 240 242 245;
  --color-surface-bright: 255 255 255;
  --color-surface-container-lowest: 255 255 255;
  --color-surface-container-low: 255 255 255;
  --color-surface-container: 244 246 248;
  --color-surface-container-high: 233 236 239;
  --color-surface-container-highest: 222 226 230;
  --color-surface-variant: 233 236 239;
  --color-background: 248 249 250;

  /* On-Surface & Text */
  --color-on-surface: 17 24 39;
  --color-on-surface-variant: 75 85 99;
  --color-on-background: 17 24 39;
  --color-inverse-surface: 31 41 55;
  --color-inverse-on-surface: 249 250 251;

  /* Primary (Official ALTEK Tactical Orange & Black Identity in Light Mode) */
  --color-primary: 247 152 15;          /* #F7980F - Tactical Orange */
  --color-primary-container: 247 152 15;/* #F7980F - Orange */
  --color-primary-orange: 247 152 15;
  --color-on-primary: 18 20 20;          /* Koyu metin - turuncu üzerinde yüksek kontrast */
  --color-on-primary-container: 18 20 20;
  --color-primary-fixed: 255 237 213;
  --color-primary-fixed-dim: 247 152 15;

  /* Secondary & Neutral */
  --color-secondary: 75 85 99;
  --color-on-secondary: 255 255 255;
  --color-secondary-container: 243 244 246;
  --color-on-secondary-container: 31 41 55;

  /* Tertiary / Telemetry Cyan */
  --color-tertiary: 2 132 199;
  --color-on-tertiary: 255 255 255;
  --color-tertiary-container: 3 105 161;

  /* Borders & Grids */
  --color-outline: 203 213 225;
  --color-outline-variant: 226 232 240;
  --color-border-dark: #e2e8f0;
  --color-grid-dot: rgba(17, 24, 39, 0.12);
  --color-glass-bg: rgba(255, 255, 255, 0.88);
  --color-glass-card-bg: rgba(255, 255, 255, 0.92);
  --color-glass-border: rgba(0, 0, 0, 0.08);
  --color-card-border: #e5e7eb;
}

/* Bulletproof Theme Logo Display */
.logo-dark {
  display: none !important;
}
.logo-white {
  display: block !important;
}

html.light .logo-dark,
html[data-theme="light"] .logo-dark {
  display: block !important;
}
html.light .logo-white,
html[data-theme="light"] .logo-white {
  display: none !important;
}

html.dark .logo-dark,
html[data-theme="dark"] .logo-dark {
  display: none !important;
}
html.dark .logo-white,
html[data-theme="dark"] .logo-white {
  display: block !important;
}

/* Typography Variables - Logo Font (Montserrat) & Telemetry (Space Grotesk/Mono) */
:root {
  --font-brand: 'Montserrat', sans-serif;
  --font-space-grotesk: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-plus-jakarta: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'Space Mono', monospace;
}

/* ALTEK Tactical Orange Gradient Utilities */
.bg-gradient-altek {
  background: linear-gradient(135deg, #F7980F 0%, #FF8A00 100%);
}

.text-gradient-altek {
  background: linear-gradient(135deg, #F7980F 0%, #FF8A00 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Base resets & typography */
html {
  scroll-behavior: smooth;
  background-color: var(--color-background);
  font-family: var(--font-brand);
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

body {
  background-color: var(--color-background);
  background-image: 
    radial-gradient(var(--color-grid-dot) 1.2px, transparent 1.2px), 
    radial-gradient(var(--color-grid-dot) 1.2px, transparent 1.2px);
  background-size: 24px 24px;
  background-position: 0 0, 12px 12px;
  background-attachment: fixed;
  color: var(--color-on-surface);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
  transition: background-color 0.3s ease, color 0.3s ease;
  font-family: var(--font-brand);
}

/* Logo font heading hierarchy */
h1, h2, h3, h4, h5, h6, .font-brand {
  font-family: var(--font-brand);
  letter-spacing: -0.015em;
}

/* Mobile Scrollbar Hide Utility */
.no-scrollbar::-webkit-scrollbar {
  display: none;
}
.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* Responsive Touch Target Optimization */
button, a, input, select, textarea {
  touch-action: manipulation;
}

@media (max-width: 768px) {
  body {
    background-attachment: scroll; /* Smoother scrolling on mobile GPUs */
  }
  .tactical-input, input, select, textarea {
    font-size: 16px !important; /* Prevents auto-zoom on iOS Safari */
  }
}

/* Tactical Background Utility Classes */
.tactical-bg-pattern {
  background-image: 
    radial-gradient(var(--color-grid-dot) 1.2px, transparent 1.2px), 
    radial-gradient(var(--color-grid-dot) 1.2px, transparent 1.2px);
  background-size: 24px 24px;
  background-position: 0 0, 12px 12px;
  background-attachment: fixed;
}

/* Instant CSS-level Logo Theme Switching */
html.light img[data-logo] {
  content: url('../assets/img/logo-dark.png') !important;
}
html.dark img[data-logo] {
  content: url('../assets/img/logo-white.png') !important;
}

/* Glassmorphism & Tactical HUD Cards */
.glass-card {
  background: var(--color-glass-card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-glass-border);
}

.glass-nav {
  background: var(--color-glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-glass-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.hud-card {
  position: relative;
  background-color: rgb(var(--color-surface-container-low));
  border: 1px solid var(--color-card-border);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hud-card:hover {
  border-color: rgb(var(--color-primary));
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12), 0 0 15px rgba(255, 138, 0, 0.15);
  transform: translateY(-2px);
}

/* Corner Reticle Indicators (Tactical Corners) */
.tactical-corners {
  position: relative;
}
.tactical-corners::before,
.tactical-corners::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  border: 2px solid transparent;
  transition: all 0.3s ease;
  pointer-events: none;
  opacity: 0;
}
.tactical-corners::before {
  top: 6px;
  left: 6px;
  border-top-color: rgb(var(--color-primary-container));
  border-left-color: rgb(var(--color-primary-container));
}
.tactical-corners::after {
  bottom: 6px;
  right: 6px;
  border-bottom-color: rgb(var(--color-primary-container));
  border-right-color: rgb(var(--color-primary-container));
}
.tactical-corners:hover::before,
.tactical-corners:hover::after {
  opacity: 1;
  width: 18px;
  height: 18px;
}

/* Status Chips */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.status-badge-active {
  background: rgba(255, 138, 0, 0.15);
  color: rgb(var(--color-primary));
  border: 1px solid rgba(255, 138, 0, 0.4);
}

.status-badge-success {
  background: rgba(76, 175, 80, 0.15);
  color: #81c784;
  border: 1px solid rgba(76, 175, 80, 0.4);
}

.status-badge-cyan {
  background: rgba(0, 179, 252, 0.15);
  color: rgb(var(--color-tertiary));
  border: 1px solid rgba(0, 179, 252, 0.4);
}

/* Custom Tactical Inputs */
.tactical-input {
  background-color: rgb(var(--color-surface-container));
  border: 1px solid rgb(var(--color-outline-variant));
  color: rgb(var(--color-on-surface));
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  transition: all 0.2s ease;
  width: 100%;
}
.tactical-input:focus {
  outline: none;
  border-color: rgb(var(--color-primary-container));
  box-shadow: 0 0 0 2px rgba(255, 138, 0, 0.2);
  background-color: rgb(var(--color-surface));
}

/* Navigation active indicator */
.nav-link {
  position: relative;
  transition: color 0.2s ease;
}
.nav-link.active {
  color: rgb(var(--color-primary));
  font-weight: 700;
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: rgb(var(--color-primary-container));
  border-radius: 1px;
}

/* Lightbox Modal */
.lightbox-modal {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.lightbox-modal.active {
  opacity: 1;
  visibility: visible;
}

/* Hero Photo Reveal — tıklayınca foto öne çıkar, yazı & karartma soluklaşır */
.hero-interactive .hero-overlay,
.hero-interactive .hero-content {
  transition: opacity 0.5s ease;
}
.hero-interactive.hero-revealed .hero-overlay {
  opacity: 0.08;
}
.hero-interactive.hero-revealed .hero-content {
  opacity: 0.12;
  pointer-events: none;
}