:root {
    /* Kurumsal Tema - Teal/Cyan */
    --kurumsal-primary: #0d9488;
    --kurumsal-primary-light: #14b8a6;
    --kurumsal-primary-dark: #0f766e;
    --kurumsal-gradient: linear-gradient(135deg, #0d9488 0%, #06b6d4 100%);
    --kurumsal-glow: rgba(13, 148, 136, 0.15);
    
    /* Eğitmen Tema - Emerald/Green */
    --egitmen-primary: #10b981;
    --egitmen-primary-light: #059669;
    --egitmen-primary-dark: #047857;
    --egitmen-gradient: linear-gradient(135deg, #10b981 0%, #6ee7b7 100%);
    --egitmen-glow: rgba(16, 185, 129, 0.15);
    
    /* Light Tema Renkleri */
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --bg-subtle: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: rgba(15, 23, 42, 0.08);
    --border-color-strong: rgba(15, 23, 42, 0.12);
    
    /* Badge Renkleri */
    --badge-popular: #f59e0b;
    --badge-recommended: #8b5cf6;
    --badge-new: #ef4444;
    
    /* Genel */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.1);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated Background */
.premium-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.premium-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(13, 148, 136, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(110, 231, 183, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(6, 182, 212, 0.04) 0%, transparent 70%);
    animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(2%, 2%) rotate(1deg); }
    50% { transform: translate(0, 4%) rotate(0deg); }
    75% { transform: translate(-2%, 2%) rotate(-1deg); }
}

/* Grid Pattern Overlay */
.grid-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(15, 23, 42, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: -1;
}

/* Container */
.premium-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero Section */
.premium-hero {
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.1), rgba(110, 231, 183, 0.08));
    border: 1px solid rgba(13, 148, 136, 0.2);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--kurumsal-primary-dark);
    margin-bottom: 24px;
    animation: fadeInDown 0.6s ease-out;
}

.hero-badge i {
    font-size: 1rem;
}

.premium-hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    background: linear-gradient(135deg, #0f172a 0%, #475569 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    animation: fadeInDown 0.6s ease-out 0.1s both;
}

.premium-hero p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 40px;
    animation: fadeInDown 0.6s ease-out 0.2s both;
}

/* Tab Navigation */
.premium-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 60px;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color-strong);
    border-radius: var(--radius-lg);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: var(--transition);
}

.tab-btn.kurumsal::before {
    background: var(--kurumsal-gradient);
}

.tab-btn.egitmen::before {
    background: var(--egitmen-gradient);
}

.tab-btn:hover {
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tab-btn:hover::before {
    opacity: 0.08;
}

.tab-btn.active {
    color: #fff;
    border-color: transparent;
}

.tab-btn.active.kurumsal {
    background: var(--kurumsal-gradient);
    box-shadow: 0 8px 24px var(--kurumsal-glow);
}

.tab-btn.active.egitmen {
    background: var(--egitmen-gradient);
    box-shadow: 0 8px 24px var(--egitmen-glow);
}

.tab-btn i {
    font-size: 1.25rem;
}

.tab-btn span {
    position: relative;
    z-index: 1;
}

/* Tab Content */
.tab-content {
    display: none;
    animation: fadeIn 0.5s ease-out;
}

.tab-content.active {
    display: block;
}

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

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

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

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.section-header.kurumsal h2 {
    color: var(--kurumsal-primary-dark);
}

.section-header.egitmen h2 {
    color: var(--egitmen-primary-dark);
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    gap: 24px;
    margin-bottom: 80px;
}

.pricing-grid.cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.pricing-grid.cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1200px) {
    .pricing-grid.cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .pricing-grid.cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .pricing-grid.cols-3,
    .pricing-grid.cols-4 {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* Pricing Card */
.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 32px;
    position: relative;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    opacity: 0;
    transition: var(--transition);
}

.pricing-card.kurumsal::before {
    background: var(--kurumsal-gradient);
}

.pricing-card.egitmen::before {
    background: var(--egitmen-gradient);
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: transparent;
    box-shadow: var(--shadow-xl);
}

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

/* Popular/Recommended Card */
.pricing-card.featured {
    border-color: transparent;
    transform: scale(1.02);
}

.pricing-card.featured.kurumsal {
    background: linear-gradient(180deg, rgba(13, 148, 136, 0.06) 0%, var(--bg-card) 100%);
    box-shadow: 0 0 0 2px var(--kurumsal-primary), var(--shadow-lg);
}

.pricing-card.featured.kurumsal::before {
    opacity: 1;
}

.pricing-card.featured.egitmen {
    background: linear-gradient(180deg, rgba(16, 185, 129, 0.06) 0%, var(--bg-card) 100%);
    box-shadow: 0 0 0 2px var(--egitmen-primary), var(--shadow-lg);
}

.pricing-card.featured.egitmen::before {
    opacity: 1;
}

.pricing-card.featured:hover {
    transform: scale(1.02) translateY(-8px);
}

/* Card Badge */
.card-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    animation: pulse 2s ease-in-out infinite;
}

.card-badge.popular {
    background: linear-gradient(135deg, var(--badge-popular), #fbbf24);
    color: #1f2937;
}

.card-badge.recommended {
    background: linear-gradient(135deg, var(--badge-recommended), #a78bfa);
    color: #fff;
}

.card-badge.new {
    background: linear-gradient(135deg, var(--badge-new), #f87171);
    color: #fff;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(245, 158, 11, 0); }
}

/* Card Icon */
.card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.pricing-card.kurumsal .card-icon {
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.12), rgba(6, 182, 212, 0.08));
    color: var(--kurumsal-primary);
}

.pricing-card.egitmen .card-icon {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), rgba(110, 231, 183, 0.08));
    color: var(--egitmen-primary);
}

/* Card Header */
.card-header {
    margin-bottom: 24px;
}

.card-header h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.card-header .description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Card Pricing */
.card-pricing {
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border-color);
}

.original-price {
    font-size: 1rem;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-bottom: 4px;
}

.current-price {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.price-amount {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.75rem;
    font-weight: 700;
    line-height: 1;
}

.pricing-card.kurumsal .price-amount {
    color: var(--kurumsal-primary);
}

.pricing-card.egitmen .price-amount {
    color: var(--egitmen-primary);
}

.price-currency {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.price-period {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.price-vat {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Card Features */
.card-features {
    flex: 1;
    margin-bottom: 28px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.feature-item i {
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.pricing-card.kurumsal .feature-item i {
    color: var(--kurumsal-primary);
}

.pricing-card.egitmen .feature-item i {
    color: var(--egitmen-primary);
}

.feature-item.highlighted {
    color: var(--text-primary);
    font-weight: 500;
}

.feature-item.highlighted i {
    animation: iconPop 0.3s ease-out;
}

@keyframes iconPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

.feature-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* Card Button */
.card-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: 0.5s;
}

.card-btn:hover::before {
    left: 100%;
}

.card-btn.primary.kurumsal {
    background: var(--kurumsal-gradient);
    color: #fff;
    box-shadow: 0 4px 16px var(--kurumsal-glow);
}

.card-btn.primary.kurumsal:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--kurumsal-glow);
}

.card-btn.primary.egitmen {
    background: var(--egitmen-gradient);
    color: #fff;
    box-shadow: 0 4px 16px var(--egitmen-glow);
}

.card-btn.primary.egitmen:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--egitmen-glow);
}

.card-btn.disabled {
    background: var(--bg-subtle);
    color: var(--text-muted);
    cursor: not-allowed;
    box-shadow: none;
    border: 1px solid var(--border-color);
}

.card-btn.disabled:hover {
    transform: none;
}

.card-btn.disabled::before {
    display: none;
}

.card-btn i {
    font-size: 1.125rem;
}

/* Login Prompt */
.login-prompt {
    text-align: center;
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    margin-bottom: 60px;
    box-shadow: var(--shadow-md);
}

.login-prompt i {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.login-prompt h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.login-prompt p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.login-prompt .btn-group {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.login-prompt .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.login-prompt .btn.kurumsal {
    background: var(--kurumsal-gradient);
    color: #fff;
}

.login-prompt .btn.egitmen {
    background: var(--egitmen-gradient);
    color: #fff;
}

.login-prompt .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Legal Notice */
.legal-notice {
    text-align: center;
    padding: 32px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: 40px;
}

.legal-notice i {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.legal-notice p {
    font-size: 0.875rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
}

.legal-notice p strong {
    color: var(--text-secondary);
}

/* FAQ Section */
.faq-section {
    padding: 60px 0 80px;
}

.faq-header {
    text-align: center;
    margin-bottom: 48px;
}

.faq-header h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.faq-item:hover {
    border-color: var(--kurumsal-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.faq-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.faq-item h4 i {
    color: var(--kurumsal-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.faq-item p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-left: 28px;
}

/* Contact CTA */
.contact-cta {
    text-align: center;
    padding: 60px 40px;
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.06) 0%, rgba(110, 231, 183, 0.04) 100%);
    border: 1px solid rgba(13, 148, 136, 0.15);
    border-radius: var(--radius-xl);
    margin-bottom: 40px;
}

.contact-cta h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.contact-cta p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.contact-cta .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color-strong);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.contact-cta .btn:hover {
    background: var(--kurumsal-gradient);
    border-color: transparent;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

.premium-footer a {
    color: var(--kurumsal-primary);
    text-decoration: none;
}

.premium-footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 576px) {
    .premium-hero {
        padding: 60px 0 40px;
    }
    
    .premium-tabs {
        flex-direction: column;
    }
    
    .tab-btn {
        width: 100%;
        justify-content: center;
    }
    
    .pricing-card {
        padding: 24px;
    }
    
    .price-amount {
        font-size: 2.25rem;
    }
    
    .contact-cta {
        padding: 40px 24px;
    }
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.pricing-grid .pricing-card:nth-child(1) { transition-delay: 0.1s; }
.pricing-grid .pricing-card:nth-child(2) { transition-delay: 0.2s; }
.pricing-grid .pricing-card:nth-child(3) { transition-delay: 0.3s; }
.pricing-grid .pricing-card:nth-child(4) { transition-delay: 0.4s; }
.pricing-grid .pricing-card:nth-child(5) { transition-delay: 0.5s; }