/* TBLabs - Dark Mode Design System */

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.6);
  --text-tertiary: rgba(255, 255, 255, 0.4);
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.3);
  --gradient-1: #3b82f6;
  --gradient-2: #8b5cf6;
  --gradient-3: #06b6d4;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Gradient background effect */
.gradient-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(6, 182, 212, 0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

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

.logo {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--text-secondary);
  font-weight: 400;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

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

.hero-content {
  max-width: 700px;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 0 20px var(--accent-glow);
}

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

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

/* Cards */
.card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 32px;
  transition: all 0.3s ease;
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

/* App Card */
.app-card {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.app-icon {
  width: 80px;
  height: 80px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.app-info h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.app-info p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.app-badge {
  display: inline-block;
  padding: 6px 12px;
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent);
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* Section */
.section {
  padding: 120px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto;
}

/* Page Header */
.page-header {
  padding: 140px 0 60px;
  text-align: center;
}

.page-header h1 {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* App Store Button */
.app-store-btn {
  display: inline-block;
  transition: transform 0.2s ease;
}

.app-store-btn:hover {
  transform: scale(1.05);
}

.app-store-btn img {
  height: 54px;
}

/* Grid */
.grid {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* Legal Pages */
.legal-content {
  padding: 140px 0 80px;
}

.legal-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.legal-content .last-updated {
  color: var(--text-tertiary);
  font-size: 0.9rem;
  margin-bottom: 48px;
}

.legal-content h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 48px;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.legal-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.legal-content ul {
  color: var(--text-secondary);
  margin-bottom: 16px;
  padding-left: 24px;
}

.legal-content li {
  margin-bottom: 8px;
}

.legal-content a {
  color: var(--accent);
  text-decoration: none;
}

.legal-content a:hover {
  text-decoration: underline;
}

/* Footer */
footer {
  padding: 40px 0;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}

footer p {
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
}

footer a:hover {
  color: var(--text-primary);
}

/* CV Page */
.cv-section {
  margin-bottom: 48px;
}

.cv-section h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.cv-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.cv-item:last-child {
  border-bottom: none;
}

.cv-item h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.cv-item .company {
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 4px;
}

.cv-item .date {
  color: var(--text-tertiary);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.cv-item p {
  color: var(--text-secondary);
}

/* Skills */
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.skill-tag {
  padding: 8px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    gap: 20px;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .app-card {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .section {
    padding: 80px 0;
  }
}

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

.animate-in {
  animation: fadeIn 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }