/* Referanslar Sayfası - Görsele Uygun Tasarım */

/* Hero Section */
.references-hero-section {
    padding: 60px 0 40px;
    background: #ffffff;
    text-align: center;
}

.hero-title {
    font-size: 2rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: 1rem;
    color: #718096;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.5;
}

/* Sektörel Referanslar */
.sectoral-references-section {
    padding: 40px 0 80px;
    background: #ffffff;
}

.references-grid {
    max-width: 1200px;
    margin: 0 auto;
}

.reference-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.reference-card {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.reference-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: #cbd5e0;
}

.reference-logo {
    margin-bottom: 16px;
    text-align: center;
}

.logo-placeholder {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-weight: 600;
    font-size: 0.8rem;
    color: white;
    text-align: center;
}

/* Logo Renkleri */
.logo-placeholder.tff {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
}

.logo-placeholder.bosch {
    background: linear-gradient(135deg, #374151, #1f2937);
}

.logo-placeholder.decathlon {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
}

.logo-placeholder.istikbal {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.logo-placeholder.bellona {
    background: linear-gradient(135deg, #059669, #047857);
}

.logo-placeholder.oyak {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
}

.logo-placeholder.petlas {
    background: linear-gradient(135deg, #1f2937, #111827);
}

.logo-placeholder.ege {
    background: linear-gradient(135deg, #7c3aed, #6d28d9);
}

.logo-placeholder.alarko {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
}

.logo-placeholder.dogus {
    background: linear-gradient(135deg, #059669, #047857);
}

.logo-placeholder.koska {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
}

.logo-placeholder.haribo {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.logo-text {
    line-height: 1.2;
    letter-spacing: 0.5px;
}

.reference-content {
    text-align: left;
}

.reference-title {
    font-size: 1rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.reference-title::after {
    content: '→';
    font-size: 0.75rem;
    color: #a0aec0;
    margin-left: auto;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.reference-card:hover .reference-title::after {
    opacity: 1;
}

.reference-description {
    font-size: 0.875rem;
    color: #718096;
    line-height: 1.4;
}

/* Responsive */
@media (max-width: 1024px) {
    .reference-row {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .logo-placeholder {
        width: 70px;
        height: 70px;
        font-size: 0.75rem;
    }
}

@media (max-width: 768px) {
    .references-hero-section {
        padding: 40px 20px 20px;
    }
    
    .sectoral-references-section {
        padding: 20px 20px 60px;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    .reference-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        margin-bottom: 16px;
    }
    
    .reference-card {
        padding: 16px;
    }
    
    .logo-placeholder {
        width: 60px;
        height: 60px;
        font-size: 0.7rem;
    }
    
    .reference-title {
        font-size: 0.9rem;
    }
    
    .reference-description {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .reference-row {
        grid-template-columns: 1fr;
    }
    
    .reference-card {
        text-align: center;
    }
    
    .reference-content {
        text-align: center;
    }
}

/* Hero Section */
.references-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.references-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(120, 119, 198, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.references-hero .hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.references-hero .hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 24px;
    letter-spacing: -1px;
    animation: fadeInDown 1s ease-out;
}

.references-hero .hero-subtitle {
    font-size: 1.4rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
    font-weight: 400;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease-out 0.3s both;
}

/* Client Logos Section */
.client-logos-section {
    padding: 100px 0;
    background: #ffffff;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #6b7280;
    margin-bottom: 0;
}

.client-logos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 0;
}

.logo-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        0 2px 6px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.18);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.logo-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2, #667eea);
    background-size: 200% 100%;
    animation: gradientSlide 3s ease-in-out infinite;
}

.logo-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.15),
        0 8px 20px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.logo-placeholder {
    padding: 20px 0;
}

.company-name {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 8px;
}

.company-sector {
    display: block;
    font-size: 0.95rem;
    color: #6b7280;
    font-weight: 500;
    padding: 6px 12px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 12px;
    display: inline-block;
}

/* Success Stories Section */
.success-stories-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.story-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.12),
        0 2px 6px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.18);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.story-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #10b981, #059669, #10b981);
    background-size: 200% 100%;
    animation: gradientSlide 3s ease-in-out infinite;
}

.story-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 
        0 25px 60px rgba(0, 0, 0, 0.15),
        0 10px 25px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.story-stats {
    margin-bottom: 30px;
}

.story-stats .stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, #10b981, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.story-stats .stat-label {
    display: block;
    font-size: 1rem;
    color: #6b7280;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.story-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}

.story-description {
    font-size: 1rem;
    color: #4b5563;
    line-height: 1.6;
    margin-bottom: 20px;
}

.story-sector {
    display: inline-block;
    padding: 8px 16px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 20px;
    letter-spacing: 0.3px;
}

/* Testimonials Section */
.testimonials-section {
    padding: 100px 0;
    background: #ffffff;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        0 2px 6px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.18);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #7c3aed, #6d28d9, #7c3aed);
    background-size: 200% 100%;
    animation: gradientSlide 3s ease-in-out infinite;
}

.testimonial-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.12),
        0 8px 20px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.quote-icon {
    font-size: 3rem;
    color: #7c3aed;
    margin-bottom: 20px;
    opacity: 0.7;
}

.testimonial-text {
    font-size: 1.1rem;
    color: #374151;
    line-height: 1.7;
    font-style: italic;
    margin-bottom: 30px;
    position: relative;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #7c3aed, #6d28d9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.avatar-text {
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
}

.author-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 4px;
}

.author-title {
    font-size: 0.9rem;
    color: #6b7280;
    font-weight: 500;
}

/* CTA Section */
.references-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    position: relative;
    overflow: hidden;
}

.references-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.references-cta .cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.references-cta .cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.references-cta .cta-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.references-cta .cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: #1e3a8a;
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.5px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.references-cta .cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(30, 58, 138, 0.1), transparent);
    transition: left 0.6s;
}

.references-cta .cta-button:hover::before {
    left: 100%;
}

.references-cta .cta-button:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
    background: white;
}

.references-cta .btn-text {
    margin-right: 8px;
}

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

.references-cta .cta-button:hover .btn-icon {
    transform: translateX(3px);
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes gradientSlide {
    0%, 100% { 
        background-position: 0% 0%; 
    }
    50% { 
        background-position: 100% 0%; 
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .references-hero .hero-title {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .client-logos-grid,
    .stories-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .references-hero {
        padding: 80px 0 60px;
    }
    
    .references-hero .hero-title {
        font-size: 2.2rem;
    }
    
    .references-hero .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .client-logos-section,
    .success-stories-section,
    .testimonials-section,
    .references-cta {
        padding: 60px 0;
    }
    
    .logo-card,
    .story-card,
    .testimonial-card {
        padding: 30px 25px;
    }
    
    .story-stats .stat-number {
        font-size: 2.5rem;
    }
    
    .references-cta .cta-title {
        font-size: 2rem;
    }
    
    .references-cta .cta-button {
        padding: 16px 35px;
        font-size: 1rem;
    }
}