* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

/* Dynamic Language Typography Variables */
[lang="ar"], [dir="rtl"] {
  --font-display: 'Cairo', sans-serif;
  --font-heading: 'Cairo', sans-serif;
  --font-body: 'Cairo', sans-serif;
}

[lang="en"], [lang="tr"], [dir="ltr"] {
  --font-display: 'Orbitron', 'Outfit', sans-serif;
  --font-heading: 'Orbitron', 'Outfit', sans-serif;
  --font-body: 'Outfit', 'Inter', sans-serif;
}

html, body {
  width: 100%;
  background-color: #000000;
  color: #e5e2e1;
  overflow-x: hidden;
  font-family: var(--font-body);
}

h1, h2, h3, h4, h5, h6, .font-display-lg, .font-headline-lg {
  font-family: var(--font-heading);
}

/* RTL Cairo Bold Typography Optimizations */
[dir="rtl"] h1, 
[dir="rtl"] h2, 
[dir="rtl"] .font-display-lg, 
[dir="rtl"] .font-headline-lg {
  font-family: 'Cairo', sans-serif !important;
  font-weight: 900 !important;
  font-style: normal !important;
  letter-spacing: normal !important;
}

/* Lenis smooth scroll styling */
html.lenis, html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

/* Loader Screen */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background-color: #000000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.spinner {
  width: 44px;
  height: 44px;
  border: 3px solid rgba(68, 143, 255, 0.2);
  border-top-color: #448fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loader-text {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.85);
  font-variant-numeric: tabular-nums;
  font-family: 'JetBrains Mono', monospace;
}

/* Canvas Pinned Container */
.canvas-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #000000;
  overflow: hidden;
  pointer-events: none;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.canvas-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.85) 100%);
  pointer-events: none;
}

/* Cyber Grid & Scanline */
.cyber-grid {
  background-image: 
    linear-gradient(rgba(68, 143, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(68, 143, 255, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
}

@keyframes scan-line {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(1000%); }
}

.scan-line {
  animation: scan-line 9s linear infinite;
}

/* Glass Panels & HUD Brackets */
.glass-panel {
  background: rgba(12, 12, 12, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(68, 143, 255, 0.25);
}

.hud-bracket-tl {
  border-top: 2px solid #448fff;
  border-inline-start: 2px solid #448fff;
  width: 12px;
  height: 12px;
  position: absolute;
  top: 0;
  inset-inline-start: 0;
}

.hud-bracket-tr {
  border-top: 2px solid #448fff;
  border-inline-end: 2px solid #448fff;
  width: 12px;
  height: 12px;
  position: absolute;
  top: 0;
  inset-inline-end: 0;
}

.hud-bracket-bl {
  border-bottom: 2px solid #448fff;
  border-inline-start: 2px solid #448fff;
  width: 12px;
  height: 12px;
  position: absolute;
  bottom: 0;
  inset-inline-start: 0;
}

.hud-bracket-br {
  border-bottom: 2px solid #448fff;
  border-inline-end: 2px solid #448fff;
  width: 12px;
  height: 12px;
  position: absolute;
  bottom: 0;
  inset-inline-end: 0;
}

/* Custom Glow & Button Styles */
.glow-text {
  text-shadow: 0 0 15px rgba(68, 143, 255, 0.7), 0 0 30px rgba(68, 143, 255, 0.4);
}

.glow-border {
  box-shadow: 0 0 20px rgba(68, 143, 255, 0.35);
}

.btn-power-on {
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(68, 143, 255, 0.6);
}

.btn-power-on::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transition: 0.5s;
}

.btn-power-on:hover::before {
  left: 100%;
}

.btn-power-on:hover {
  box-shadow: 0 0 25px rgba(68, 143, 255, 0.85);
  background-color: #448fff;
  color: #001b3f;
}

/* Marquee animation */
@keyframes marquee {
  0% { transform: translateX(0%); }
  100% { transform: translateX(-50%); }
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 24s linear infinite;
}