:root {
  /* Light mode renkleri - Red-White YouTube/Netflix Style */
  --primary: #ef4444;       /* modern red */
  --accent: #f97316;        /* vibrant orange-red */
  --success: #10b981;       /* fresh green */
  --text: #1f2937;          /* dark gray text */
  --text-light: #6b7280;    /* medium gray */
  --bg: #ffffff;            /* clean white */
  --bg-alt: #f9fafb;        /* very light gray */
  --bg-card: #ffffff;       /* card background */
  --border: #e5e7eb;        /* light border */
  --shadow: 0 4px 20px rgba(239, 68, 68, 0.08);
  --shadow-lg: 0 10px 40px rgba(239, 68, 68, 0.12);
  --shadow-xl: 0 20px 60px rgba(239, 68, 68, 0.15);
  --gradient: linear-gradient(135deg, var(--primary) 0%, #dc2626 100%);
  --gradient-accent: linear-gradient(135deg, var(--accent) 0%, #ea580c 100%);
  
  /* Legacy support */
  --primary-dark: #dc2626;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #06b6d4;
  --text-muted: #9ca3af;
  --border-light: #f3f4f6;
}

/* Dark mode renkleri - Red-White Dark Mode */
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #f87171;       /* light red (primary in dark) */
    --accent: #f472b6;        /* vibrant pink accent */
    --success: #34d399;       /* brighter green */
    --text: #f9fafb;          /* very light gray */
    --text-light: #d1d5db;    /* medium light gray */
    --bg: #111827;            /* dark background */
    --bg-alt: #1f2937;        /* medium dark gray */
    --bg-card: #1f2937;       /* card background */
    --border: #374151;        /* dark border */
    --shadow: 0 4px 20px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.4);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.5);
    --gradient: linear-gradient(135deg, var(--primary) 0%, #ef4444 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, #ec4899 100%);
    
    /* Legacy support */
    --primary-dark: #ef4444;
    --warning: #fbbf24;
    --danger: #f87171;
    --info: #38bdf8;
    --text-muted: #9ca3af;
    --border-light: #4b5563;
  }
}

/* Manual dark mode toggle */
[data-theme="dark"] {
  --primary: #f87171;       /* light red (primary in dark) */
  --accent: #f472b6;        /* vibrant pink accent */
  --success: #34d399;       /* brighter green */
  --text: #f9fafb;          /* very light gray */
  --text-light: #d1d5db;    /* medium light gray */
  --bg: #111827;            /* dark background */
  --bg-alt: #1f2937;        /* medium dark gray */
  --bg-card: #1f2937;       /* card background */
  --border: #374151;        /* dark border */
  --shadow: 0 4px 20px rgba(0,0,0,0.3);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.4);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.5);
  --gradient: linear-gradient(135deg, var(--primary) 0%, #ef4444 100%);
  --gradient-accent: linear-gradient(135deg, var(--accent) 0%, #ec4899 100%);
  
  /* Legacy support */
  --primary-dark: #ef4444;
  --warning: #fbbf24;
  --danger: #f87171;
  --info: #38bdf8;
  --text-muted: #9ca3af;
  --border-light: #4b5563;
}

/* Smooth transitions for theme changes */
* {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Body base styles */
body {
  background-color: var(--bg);
  color: var(--text);
  transition: all 0.3s ease;
} 

/* Navigation Styles */
.navbar {
  background: rgba(var(--bg-rgb, 255, 255, 255), 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 15px 0;
  transition: all 0.3s ease;
}

/* Dark mode için navbar background */
@media (prefers-color-scheme: dark) {
  .navbar {
    background: rgba(17, 24, 39, 0.95);
  }
}

[data-theme="dark"] .navbar {
  background: rgba(17, 24, 39, 0.95);
}

/* Theme Toggle Button */
.theme-toggle {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 50px;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-left: 20px;
}

.theme-toggle:hover {
  background: var(--primary);
  color: white;
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(var(--primary-rgb, 59, 130, 246), 0.3);
}

.theme-icon {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.theme-toggle:hover .theme-icon {
  transform: rotate(20deg);
} .nav-container{max-width: 1200px;margin: 0 auto;padding: 0 20px;display: flex;justify-content: space-between;align-items: center} .nav-logo{font-size: 1.5rem;font-weight: 800;color: var(--primary);text-decoration: none;display: flex;align-items: center;gap: 12px} .nav-logo:hover{color: var(--primary-dark)} .logo-icon{width: 40px;height: 40px;display: flex;align-items: center;justify-content: center;margin-right: 4px} .logo-text{display: flex;flex-direction: column;line-height: 1} .logo-main{font-size: 1.6rem;font-weight: 900;background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);-webkit-background-clip: text;-webkit-text-fill-color: transparent;background-clip: text;letter-spacing: -0.5px} .logo-sub{font-size: 0.8rem;font-weight: 600;color: var(--text-light);text-transform: uppercase;letter-spacing: 1px;margin-top: -2px} .nav-logo:hover .logo-icon{transform: scale(1.1);transition: transform 0.3s ease} .logo-icon svg{width: 100%;height: 100%;transition: all 0.3s ease} .nav-logo:hover .logo-icon svg{filter: drop-shadow(0 0 10px rgba(239, 68, 68, 0.4))} .nav-logo:hover .logo-main{background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 100%);-webkit-background-clip: text;-webkit-text-fill-color: transparent;background-clip: text} @keyframes pulse-glow{from{text-shadow: 0 0 10px rgba(239, 68, 68, 0.3)}to{text-shadow: 0 0 20px rgba(239, 68, 68, 0.6), 0 0 30px rgba(239, 68, 68, 0.3)}} @keyframes bounce{0%, 20%, 60%, 100%{transform: translateY(0)}40%{transform: translateY(-8px)}80%{transform: translateY(-4px)}} .nav-menu{display: flex;gap: 30px;align-items: center} .nav-link {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link:hover {
  background: var(--bg-alt);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(var(--primary-rgb, 59, 130, 246), 0.2);
}

.nav-link.active {
  background: var(--gradient);
  color: white;
  box-shadow: 0 4px 12px rgba(var(--primary-rgb, 59, 130, 246), 0.3);
} .nav-toggle{display: none;flex-direction: column;cursor: pointer;gap: 4px} .nav-toggle span{width: 25px;height: 3px;background: var(--text);border-radius: 2px;transition: all 0.3s ease} @media (max-width: 768px){.nav-menu{position: fixed;top: 70px;left: 0;width: 100%;background: var(--bg);box-shadow: var(--shadow);border-top: 1px solid var(--border);flex-direction: column;padding: 20px 0;transform: translateX(-100%);transition: transform 0.3s ease} .nav-menu.active{transform: translateX(0)} .nav-toggle{display: flex} .nav-toggle.active span:nth-child(1){transform: rotate(45deg) translate(5px, 5px)} .nav-toggle.active span:nth-child(2){opacity: 0} .nav-toggle.active span:nth-child(3){transform: rotate(-45deg) translate(7px, -6px)} }

.hero{background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);color: white;padding: 100px 0;text-align: center;position: relative;overflow: hidden} .hero::before{content: '';position: absolute;top: 0;left: 0;right: 0;bottom: 0;background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');opacity: 0.3} .hero-content{position: relative;z-index: 2;max-width: 800px;margin: 0 auto;padding: 0 20px} .hero h1{font-size: 3.5rem;font-weight: 800;margin-bottom: 20px;line-height: 1.1} .hero .subtitle{font-size: 1.4rem;margin-bottom: 40px;opacity: 0.9} .course-grid{display: grid;grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));gap: 30px;margin: 40px 0} .course-card {
  background: var(--bg);
  border-radius: 16px;
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  position: relative;
} .course-card:hover{transform: translateY(-5px);box-shadow: var(--shadow-lg)} .course-card.featured{border: 2px solid var(--accent);transform: scale(1.02)} .course-card.featured::before{content: 'EN POPÜLER';position: absolute;top: -10px;left: 50%;transform: translateX(-50%);background: var(--accent);color: white;padding: 5px 20px;border-radius: 20px;font-size: 0.8rem;font-weight: 600} .course-card h4{font-size: 1.5rem;margin-bottom: 20px;color: var(--text)} .course-card ul{list-style: none;margin-bottom: 30px} .course-card li{padding: 8px 0;position: relative;padding-left: 25px} .course-card li::before{content: '✓';position: absolute;left: 0;color: var(--success);font-weight: bold} .cta-button{background: linear-gradient(135deg, var(--primary), var(--primary-dark));color: white;padding: 15px 30px;border-radius: 50px;text-align: center;font-weight: 600;cursor: pointer;transition: all 0.3s ease;border: none;font-size: 1rem} .cta-button:hover{transform: translateY(-2px);box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3)} .cta-button.premium{background: linear-gradient(135deg, var(--accent), #d97706)} .ai-roadmap{display: flex;flex-direction: column;gap: 30px;margin: 40px 0} .roadmap-item {
  display: flex;
  align-items: center;
  gap: 30px;
  padding: 30px;
  background: var(--bg);
  border-radius: 16px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
} .roadmap-item:hover{transform: translateX(10px)} .roadmap-item .step{width: 60px;height: 60px;background: linear-gradient(135deg, var(--primary), var(--primary-dark));color: white;border-radius: 50%;display: flex;align-items: center;justify-content: center;font-size: 1.5rem;font-weight: bold;flex-shrink: 0} .step-content h4{font-size: 1.3rem;margin-bottom: 10px;color: var(--text)} .step-content p{color: var(--text-light)} .tools-comparison{display: grid;grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));gap: 40px;margin: 40px 0} .tool-item {
  background: var(--bg);
  border-radius: 16px;
  padding: 30px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
} .comparison-table{display: flex;flex-direction: column;gap: 15px} .tool-row{display: grid;grid-template-columns: 2fr 1fr 1fr 1fr;gap: 15px;align-items: center;padding: 15px;background: var(--bg-alt);border-radius: 8px;transition: all 0.3s ease} .tool-row:hover{background: #e0f2fe} .tool-name{font-weight: 600;color: var(--text)} .tool-price{color: var(--accent);font-weight: 600} .tool-rating{font-size: 0.9rem} .tool-link{background: var(--primary);color: white;padding: 8px 16px;border-radius: 6px;text-decoration: none;text-align: center;font-size: 0.9rem;transition: all 0.3s ease} .tool-link:hover{background: var(--primary-dark)} .career-paths{display: grid;grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));gap: 30px;margin: 40px 0} .career-card {
  background: var(--bg);
  border-radius: 16px;
  padding: 30px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  text-align: center;
} .career-card:hover{transform: translateY(-5px)} .career-card.featured{border: 2px solid var(--success);transform: scale(1.05)} .career-card h4{font-size: 1.3rem;margin-bottom: 15px;color: var(--text)} .salary{font-size: 1.2rem;font-weight: 700;color: var(--success);margin-bottom: 20px} .skills{display: flex;flex-wrap: wrap;gap: 8px;justify-content: center;margin-bottom: 20px} .skill{background: var(--bg-alt);color: var(--text);padding: 5px 12px;border-radius: 20px;font-size: 0.85rem;border: 1px solid var(--border)} .timeline{color: var(--text-light);font-weight: 500} .final-cta{background: linear-gradient(135deg, var(--success) 0%, #059669 100%);color: white;padding: 80px 0;text-align: center;margin-top: 60px} .final-cta h2{font-size: 2.5rem;margin-bottom: 20px} .final-cta .subtitle{font-size: 1.2rem;margin-bottom: 40px;opacity: 0.9} .cta-features{display: grid;grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));gap: 20px;max-width: 800px;margin: 40px auto;text-align: left} .cta-features div{font-size: 1.1rem;padding: 10px} .ad-zone-header{margin: 30px 0;text-align: center;min-height: 90px;background: var(--bg-alt);border-radius: 8px;display: flex;align-items: center;justify-content: center;border: 1px dashed var(--border)} .ad-zone-sidebar{position: sticky;top: 100px;width: 300px;min-height: 600px;background: var(--bg-alt);border-radius: 8px;margin-left: 30px;border: 1px dashed var(--border)} .ad-zone-content{margin: 40px 0;min-height: 250px;background: var(--bg-alt);border-radius: 8px;display: flex;align-items: center;justify-content: center;border: 1px dashed var(--border)} @media (max-width: 768px){.hero h1{font-size: 2.5rem} .course-grid{grid-template-columns: 1fr} .tools-comparison{grid-template-columns: 1fr} .career-paths{grid-template-columns: 1fr} .tool-row{grid-template-columns: 1fr;text-align: center;gap: 10px} .ai-roadmap{gap: 20px} .roadmap-item{flex-direction: column;text-align: center} .ad-zone-sidebar{display: none} } .course-card, .roadmap-item, .tool-item, .career-card{will-change: transform} @keyframes fadeInUp{from{opacity: 0;transform: translateY(30px)} to{opacity: 1;transform: translateY(0)} } .animate-in{animation: fadeInUp 0.6s ease-out}
/* Blog Styles */
.blog-section {
    margin: 40px 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.blog-card {
    background: var(--bg);
    border-radius: 16px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.blog-card.featured {
    border: 2px solid var(--accent);
    position: relative;
}

.blog-card.featured::before {
    content: '🔥 POPÜLER';
    position: absolute;
    top: -10px;
    left: 20px;
    background: var(--accent);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.blog-category {
    background: var(--primary);
    color: white;
    padding: 4px 10px;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 600;
}

.blog-date {
    color: var(--text-light);
    font-size: 0.85rem;
}

.blog-card h4 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--text);
    line-height: 1.3;
}

.blog-card p {
    color: var(--text-light);
    line-height: 1.5;
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 15px;
}

.blog-tags span {
    background: var(--bg-alt);
    color: var(--text);
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
}

.blog-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.blog-link:hover {
    color: var(--primary-dark);
}

.blog-cta-section {
    background: var(--bg-alt);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    margin-top: 30px;
}

.blog-cta-section h4 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--text);
}

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .blog-meta {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
}
/* Blog Styles */
.blog-section {
    margin: 40px 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.blog-card {
    background: var(--bg);
    border-radius: 16px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.blog-card.featured {
    border: 2px solid var(--accent);
    position: relative;
}

.blog-card.featured::before {
    content: '🔥 POPÜLER';
    position: absolute;
    top: -10px;
    left: 20px;
    background: var(--accent);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.blog-category {
    background: var(--primary);
    color: white;
    padding: 4px 10px;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: 600;
}

.blog-date {
    color: var(--text-light);
    font-size: 0.85rem;
}

.blog-card h4 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--text);
    line-height: 1.3;
}

.blog-card p {
    color: var(--text-light);
    line-height: 1.5;
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 15px;
}

.blog-tags span {
    background: var(--bg-alt);
    color: var(--text);
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 0.75rem;
}

.blog-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.blog-link:hover {
    color: var(--primary-dark);
}

.blog-cta-section {
    background: var(--bg-alt);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    margin-top: 30px;
}

.blog-cta-section h4 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--text);
}

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .blog-meta {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
}