/* =========================================
   CSS Variables & Theme
   ========================================= */
:root {
  --bg-color: #0B0E14;
  --bg-darker: #05070A;
  --text-main: #E2E8F0;
  --text-muted: #94A3B8;
  --accent-primary: #3B82F6; /* Modern Blue */
  --accent-secondary: #8B5CF6; /* Purple */
  --accent-gradient: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* =========================================
   Typography & Utilities
   ========================================= */
h1, h2, h3 {
  line-height: 1.2;
  font-weight: 700;
  color: #fff;
}

p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 16px;
  padding: 2rem;
}

/* =========================================
   Buttons
   ========================================= */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: inherit;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

.btn-primary {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.5);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 1px solid var(--glass-border);
}

.btn-outline:hover {
  background: var(--glass-bg);
  border-color: var(--text-muted);
}

.btn-block {
  display: block;
  width: 100%;
  text-align: center;
}

/* =========================================
   Navbar
   ========================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: var(--transition);
}

.navbar.scrolled {
  padding: 1rem 0;
  background: rgba(11, 14, 20, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.5px;
}

.logo-accent {
  color: var(--accent-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a:not(.btn) {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:not(.btn):hover {
  color: #fff;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 80px;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -1px;
  margin-bottom: 1.5rem;
  animation: fadeUp 1s ease-out;
}

.hero-subtitle {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 2.5rem;
  animation: fadeUp 1s ease-out 0.2s backwards;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  animation: fadeUp 1s ease-out 0.4s backwards;
}

/* Glow Effects */
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  z-index: 1;
  opacity: 0.5;
  animation: pulseGlow 8s infinite alternate;
}

.glow-1 {
  width: 400px;
  height: 400px;
  background: var(--accent-primary);
  top: 10%;
  left: 20%;
}

.glow-2 {
  width: 300px;
  height: 300px;
  background: var(--accent-secondary);
  bottom: 20%;
  right: 20%;
  animation-delay: -4s;
}

/* =========================================
   Sections General
   ========================================= */
.section {
  padding: 6rem 0;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4rem;
}

/* =========================================
   About Section
   ========================================= */
.about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.stats {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
}

.stat-number {
  font-size: 2rem;
  color: #fff;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.85rem;
  margin: 0;
}

/* Code mockup styling */
.mockup-header {
  display: flex;
  gap: 6px;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 1rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #f59e0b; }
.dot.green { background-color: #10b981; }

pre {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9rem;
  overflow-x: auto;
  color: #e2e8f0;
}
.keyword { color: #c678dd; }
.variable { color: #e06c75; }
.property { color: #d19a66; }
.string { color: #98c379; }
.function { color: #61afef; }

/* =========================================
   Services Section
   ========================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.service-card {
  transition: transform 0.3s ease, background 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.05);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.service-title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

/* =========================================
   Contact Section
   ========================================= */
.contact-wrapper {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: 3rem;
}

.contact-details {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  font-size: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  color: #fff;
  font-size: 0.9rem;
}

input, textarea {
  width: 100%;
  padding: 1rem;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  color: #fff;
  font-family: inherit;
  transition: var(--transition);
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  background: rgba(0, 0, 0, 0.4);
}

/* =========================================
   Footer
   ========================================= */
.footer {
  border-top: 1px solid var(--glass-border);
  padding: 3rem 0;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.footer-desc {
  max-width: 400px;
  margin: 1rem auto;
}

/* =========================================
   Animations & Responsive
   ========================================= */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseGlow {
  0% { transform: scale(1); opacity: 0.4; }
  100% { transform: scale(1.1); opacity: 0.6; }
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal.active {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-darker);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .menu-toggle {
    display: block;
    width: 30px;
    height: 20px;
    position: relative;
  }

  .hamburger, .hamburger::before, .hamburger::after {
    width: 100%;
    height: 2px;
    background: #fff;
    position: absolute;
    transition: var(--transition);
  }
  
  .hamburger { top: 50%; transform: translateY(-50%); }
  .hamburger::before { content: ''; top: -8px; left: 0; }
  .hamburger::after { content: ''; bottom: -8px; left: 0; }

  .menu-toggle.active .hamburger { background: transparent; }
  .menu-toggle.active .hamburger::before { top: 0; transform: rotate(45deg); }
  .menu-toggle.active .hamburger::after { bottom: 0; transform: rotate(-45deg); }

  .about-container, .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .contact-wrapper {
    padding: 2rem 1.5rem;
  }
  
  .hero-actions {
    flex-direction: column;
  }
}