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

/* Codeitweb Design System Tokens */
:root {
  /* Brand Colors - Codeitweb Palette */
  --bg-primary: #090C15;
  --bg-secondary: #0E1424;
  --bg-tertiary: #131C31;
  --bg-card: rgba(19, 28, 49, 0.7);
  --bg-card-hover: rgba(242, 101, 34, 0.08);
  --bg-glass: rgba(14, 20, 36, 0.85);

  /* Accents - Official Codeitweb Orange & Blue */
  --accent-lime: #F26522;
  --accent-lime-hover: #D95316;
  --accent-lime-glow: rgba(242, 101, 34, 0.35);
  --accent-lime-subtle: rgba(242, 101, 34, 0.12);

  --accent-cyan: #38BDF8;
  --accent-cyan-hover: #0EA5E9;
  --accent-cyan-glow: rgba(56, 189, 248, 0.35);
  --accent-cyan-subtle: rgba(56, 189, 248, 0.12);

  /* Typography Colors */
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-inverse: #090C15;

  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.15);
  --border-lime: rgba(242, 101, 34, 0.4);
  --border-cyan: rgba(56, 189, 248, 0.4);

  /* Fonts */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing Scale (8px system) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;

  /* Layout Container Widths */
  --container-max: 1400px;
  --container-pad: 24px;

  /* Border Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows & Glows */
  --glow-lime: 0 0 35px rgba(242, 101, 34, 0.35);
  --glow-cyan: 0 0 35px rgba(56, 189, 248, 0.35);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.8);
  --shadow-modal: 0 25px 60px -15px rgba(0, 0, 0, 0.95);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 600ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Z-Indices */
  --z-nav: 100;
  --z-floating: 200;
  --z-modal: 500;
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
}

::selection {
  background-color: var(--accent-lime);
  color: var(--bg-primary);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* Typography Classes */
.heading-hero {
  font-size: clamp(2.75rem, 6vw + 1rem, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.heading-1 {
  font-size: clamp(2.25rem, 4vw + 1rem, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  text-transform: uppercase;
}

.heading-2 {
  font-size: clamp(1.75rem, 3vw + 0.5rem, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-lime);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--space-4);
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--accent-lime);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-lime);
}

.text-gradient-lime {
  background: linear-gradient(135deg, #FFFFFF 0%, #F26522 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, #FFFFFF 0%, #38BDF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.mono {
  font-family: var(--font-mono);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--accent-lime);
  color: var(--bg-primary);
  box-shadow: 0 0 20px var(--accent-lime-glow);
}
.btn-primary:hover {
  background-color: var(--accent-lime-hover);
  transform: translateY(-2px);
  box-shadow: 0 0 30px var(--accent-lime-glow);
}

.btn-secondary, .btn-outline {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-light);
}
.btn-secondary:hover, .btn-outline:hover {
  border-color: var(--accent-lime);
  color: var(--accent-lime);
  transform: translateY(-2px);
}

/* Header & Navbar */
.navbar-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  display: flex;
  align-items: center;
  z-index: var(--z-nav);
  background-color: rgba(9, 12, 21, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-smooth);
}

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

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
}
.logo-text-accent {
  color: var(--accent-lime);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 140px;
  padding-bottom: 80px;
  overflow: hidden;
  background: radial-gradient(circle at 50% 30%, rgba(242, 101, 34, 0.08) 0%, rgba(9, 12, 21, 1) 70%);
}

.hero-content {
  max-width: 950px;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 1.5vw + 0.5rem, 1.375rem);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 720px;
  margin-bottom: var(--space-8);
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
  flex-wrap: wrap;
}

/* Glass Panels & Cards */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--transition-smooth);
}

.glass-panel:hover {
  border-color: var(--accent-lime);
  box-shadow: 0 10px 30px rgba(0,0,0,0.8), 0 0 20px var(--accent-lime-subtle);
}

.hero-mode-card {
  padding: var(--space-6);
}
.hero-mode-tabs {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.mode-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mode-tab-btn:hover, .mode-tab-btn.active {
  background: var(--accent-lime-subtle);
  color: var(--accent-lime);
  border-color: var(--border-lime);
}

/* Services & Capabilities */
.services-section {
  padding: 100px 0;
}

.grid-3-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.grid-2-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.service-card {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
}

.service-card-icon {
  width: 56px;
  height: 56px;
  background: var(--accent-lime-subtle);
  border: 1px solid var(--border-lime);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-lime);
  margin-bottom: var(--space-6);
}

/* Footer */
.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 60px;
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.875rem;
}

@media (max-width: 1024px) {
  .grid-3-col, .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .grid-3-col, .grid-2-col, .footer-grid {
    grid-template-columns: 1fr;
  }
}