/* ==========================================
   DESIGN INTERNET - DARK MODE TECH-CHIC
   ========================================== */

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

:root {
  /* Colors */
  --color-bg: #0a0a0f;
  --color-bg-secondary: #111118;
  --color-bg-tertiary: #1a1a24;
  --color-border: #262633;
  --color-border-light: #33334a;
  
  --color-text-primary: #e8e8f0;
  --color-text-secondary: #a8a8ba;
  --color-text-muted: #6b6b7f;
  
  --color-accent: #6366f1;
  --color-accent-light: #818cf8;
  --color-accent-dark: #4f46e5;
  
  --color-gradient-start: #6366f1;
  --color-gradient-end: #8b5cf6;
  
  --color-success: #10b981;
  --color-error: #ef4444;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Effects */
  --glow: 0 0 20px rgba(99, 102, 241, 0.3);
  --glow-strong: 0 0 30px rgba(99, 102, 241, 0.5);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ==========================================
   NAVIGATION
   ========================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
}

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

.logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.logo-bracket {
  color: var(--color-accent);
  font-size: 1.5rem;
}

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

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.nav-link:hover {
  color: var(--color-text-primary);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link-cta {
  color: var(--color-accent);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--color-accent);
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.nav-link-cta:hover {
  background: var(--color-accent);
  color: white;
  box-shadow: var(--glow);
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--spacing-3xl) 0;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-gradient-start) 0%, var(--color-gradient-end) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-accent);
  color: white;
  padding: 1rem 2rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  background: var(--color-accent-light);
  box-shadow: var(--glow-strong);
  transform: translateY(-2px);
}

.btn-arrow {
  transition: transform var(--transition-fast);
}

.btn-primary:hover .btn-arrow {
  transform: translateX(4px);
}

.hero-stats {
  display: flex;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================
   SECTIONS
   ========================================== */

.services,
.team,
.contact {
  padding: var(--spacing-3xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

/* ==========================================
   SERVICES
   ========================================== */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: var(--spacing-lg);
}

.services-grid-large {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.service-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-gradient-end) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--glow);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card.highlight-card {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.service-card.highlight-card::before {
  opacity: 1;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-gradient-end) 50%, var(--color-accent) 100%);
  background-size: 200% 100%;
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.service-icon {
  width: 56px;
  height: 56px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-accent);
}

.service-icon svg {
  width: 28px;
  height: 28px;
}

.service-title {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.service-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.service-features {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.service-features li {
  color: var(--color-text-secondary);
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  font-size: 0.95rem;
}

.service-features li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.service-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-light);
  border-radius: 4px;
  color: var(--color-text-secondary);
}

/* ==========================================
   TEAM
   ========================================== */

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

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.team-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  transition: all var(--transition-base);
}

.team-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--glow);
}

.team-image {
  position: relative;
  width: 100%;
  height: 300px;
  overflow: hidden;
}

.team-image-content {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-slow);
}

.team-image-content svg {
  width: 80px;
  height: 80px;
  color: rgba(255, 255, 255, 0.8);
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}

.team-card:hover .team-image-content {
  transform: scale(1.1);
}

.team-image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(10, 10, 15, 0.8) 100%);
  z-index: 1;
}

.team-info {
  padding: var(--spacing-lg);
}

.team-name {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.team-role {
  color: var(--color-accent);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
}

.team-description {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================
   CONTACT FORM
   ========================================== */

.contact-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
}

.contact-form {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--spacing-xl);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--font-primary);
}

.form-message {
  padding: var(--spacing-sm);
  border-radius: 6px;
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  display: none;
}

.form-message.success {
  display: block;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.form-message.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--color-error);
  color: var(--color-error);
}

.contact-info {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--spacing-xl);
}

.contact-info-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  color: var(--color-text-secondary);
}

.contact-info-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* Email protection */
.email-protected {
  cursor: pointer;
}

.email-protected:hover {
  color: var(--color-accent);
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-3xl);
}

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

.footer-text {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-top: var(--spacing-sm);
}

.footer-copyright {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* ==========================================
   ANIMATIONS
   ========================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.8s ease-out forwards;
}

.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 768px) {
  .nav-links {
    gap: var(--spacing-sm);
  }
  
  .nav-link {
    font-size: 0.875rem;
  }
  
  .hero {
    padding: var(--spacing-2xl) 0;
    min-height: auto;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .services-grid,
  .services-grid-large {
    grid-template-columns: 1fr;
  }
  
  .team-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
}

/* ==========================================
   UTILITIES
   ========================================== */

.hidden {
  display: none;
}

select.form-input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b6b7f' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

option {
  background: var(--color-bg);
  color: var(--color-text-primary);
}