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

:root {
    --primary-color: #2563eb;
    --secondary-color: #0d2259;
    --accent-color: #fbbf24;
    --text-color: #334155;
    --light-color: #f8fafc;
    --dark-color: #1e293b;
    --border-color: #e2e8f0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--dark-color);
    margin-bottom: 15px;
    font-weight: 600;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

section {
    padding: 80px 0;
}

.btn {
    display: inline-block;
    padding: 10px 25px;
    border-radius: 6px;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn.primary {
    background-color: var(--primary-color);
    color: white;
}

.btn.primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px var(--shadow-color);
}

.btn.secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    margin-left: 15px;
}

.btn.secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px var(--shadow-color);
}

/* Header styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px var(--shadow-color);
    padding: 15px 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.logo-img {
    height: 40px;
    width: auto;
    margin-right: 10px;
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin: 0;
}

.logo h1 span, .footer-logo h2 span {
    color: var(--primary-color);
}

.logo p {
    width: 100%;
    font-size: 14px;
    color: #555;
    margin: 5px 0 0 0;
    padding-left: 50px;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--dark-color);
    font-weight: 500;
    padding: 10px 0;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100%;
}

/* Hero section styles */
.hero {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

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

.hero-content {
    flex: 1;
    padding-right: 40px;
}

.hero-content h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--secondary-color);
    line-height: 1.2;
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 30px;
}

.hero-image {
    flex: 1;
    animation: float 3s ease-in-out infinite;
}

.buttons {
    margin-top: 30px;
}

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

.section-header h2 {
    font-size: 36px;
    color: var(--secondary-color);
    position: relative;
    padding-bottom: 15px;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 70px;
    height: 3px;
    background-color: var(--accent-color);
}

.section-header p {
    font-size: 18px;
    color: var(--text-color);
    max-width: 600px;
    margin: 0 auto;
}

/* Proje tanımı section */
.proje-tanimi {
    background-color: white;
}

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

.tanim-content {
    flex: 1;
    padding-right: 40px;
}

.tanim-image {
    flex: 1;
}

.highlighted-text {
    font-size: 20px;
    color: var(--secondary-color);
    font-weight: 500;
    padding: 20px;
    border-left: 4px solid var(--primary-color);
    background-color: rgba(37, 99, 235, 0.05);
    margin-bottom: 20px;
}

.proje-hedefler {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 40px;
}

.hedef-item {
    flex: 1;
    min-width: 200px;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 15px var(--shadow-color);
    transition: var(--transition);
}

.hedef-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px var(--shadow-color);
}

.hedef-item i {
    font-size: 35px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.hedef-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
}

/* Özellikler section */
.ozellikler {
    background-color: #f8fafc;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 15px var(--shadow-color);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px var(--shadow-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(37, 99, 235, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto 20px;
}

.feature-icon i {
    font-size: 30px;
    color: var(--primary-color);
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

/* Teknoloji section */
.teknoloji {
    background-color: white;
}

.tech-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
}

.tech-category {
    flex: 1;
    min-width: 250px;
    background-color: #f8fafc;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px var(--shadow-color);
}

.tech-category h3 {
    font-size: 22px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
}

.tech-list li {
    padding: 10px 0;
    font-size: 16px;
    display: flex;
    align-items: center;
}

.tech-list i {
    font-size: 22px;
    color: var(--primary-color);
    margin-right: 15px;
}

/* Süreç ve Timeline */
.surec {
    background-color: #f8fafc;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 20px;
}

.timeline-item {
    padding: 20px 0;
    width: 100%;
    position: relative;
}

.timeline-content {
    position: relative;
    width: calc(50% - 40px);
    padding: 30px;
    border-radius: 10px;
    background-color: white;
    box-shadow: 0 4px 15px var(--shadow-color);
    transition: var(--transition);
}

.timeline-item:nth-child(odd) .timeline-content {
    left: 50%;
    margin-left: 40px;
}

.timeline-item:nth-child(even) .timeline-content {
    left: 0;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px var(--shadow-color);
}

.timeline-content::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    top: 40px;
    background-color: white;
    border: 4px solid var(--primary-color);
    border-radius: 50%;
}

.timeline-item:nth-child(odd) .timeline-content::after {
    left: -52px;
}

.timeline-item:nth-child(even) .timeline-content::after {
    right: -52px;
}

.date {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 15px;
}

.timeline-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.timeline-content ul {
    margin-top: 15px;
    padding-left: 20px;
}

.timeline-content ul li {
    list-style-type: disc;
    margin-bottom: 8px;
}

/* Ekstra Hizmetler */
.ekstra-hizmetler {
    background-color: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.service-item {
    text-align: center;
    padding: 30px;
    background-color: #f8fafc;
    border-radius: 10px;
    box-shadow: 0 4px 15px var(--shadow-color);
    transition: var(--transition);
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px var(--shadow-color);
}

.service-item i {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

/* İletişim Bölümü */
.iletisim {
    background-color: #f8fafc;
}

.contact-container {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.contact-info {
    flex: 1;
    background-color: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 15px var(--shadow-color);
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}

.info-item i {
    font-size: 24px;
    color: var(--primary-color);
    margin-right: 20px;
    width: 50px;
    height: 50px;
    background-color: rgba(37, 99, 235, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-links a {
    width: 45px;
    height: 45px;
    background-color: rgba(37, 99, 235, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
}

.social-links a:hover i {
    color: white;
}

.social-links i {
    font-size: 20px;
    color: var(--primary-color);
}

.contact-form {
    flex: 1.5;
    background-color: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 15px var(--shadow-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input, 
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: 'Poppins', sans-serif;
    font-size: 15px;
    transition: var(--transition);
}

.form-group textarea {
    height: 150px;
    resize: none;
}

.form-group input:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 40px 0;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.footer-logo .logo-img {
    height: 35px;
    margin-right: 10px;
}

.footer-logo h2 {
    font-size: 24px;
    font-weight: 600;
    color: #fff;
    margin: 0;
}

.footer-logo p {
    width: 100%;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    margin: 5px 0 0 0;
    padding-left: 45px;
}

.copyright p {
    opacity: 0.7;
    font-size: 14px;
}

/* Animations */
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

/* Responsive Styles */
@media (max-width: 992px) {
    section {
        padding: 60px 0;
    }
    
    .hero-content h2 {
        font-size: 36px;
    }
    
    .hero .container,
    .flex-container {
        flex-direction: column;
    }
    
    .hero-content,
    .tanim-content {
        padding-right: 0;
        margin-bottom: 40px;
    }
    
    .timeline::after {
        left: 31px;
    }
    
    .timeline-content {
        width: calc(100% - 80px);
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        left: 80px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content::after,
    .timeline-item:nth-child(even) .timeline-content::after {
        left: -52px;
        right: auto;
    }
    
    .contact-container {
        flex-direction: column;
    }
}

/* Özellikler Tabs Bölümü */
.features-tabs {
    margin-bottom: 60px;
}

.tabs-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 30px;
    gap: 10px;
}

.tab-btn {
    padding: 12px 20px;
    background-color: rgba(37, 99, 235, 0.1);
    border: none;
    border-radius: 6px;
    color: var(--secondary-color);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover, .tab-btn.active {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

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

.tab-flex {
    display: flex;
    gap: 40px;
    align-items: center;
}

.tab-text {
    flex: 1.2;
}

.tab-image {
    flex: 1;
}

.tab-image img {
    border-radius: 10px;
    box-shadow: 0 10px 30px var(--shadow-color);
    transition: var(--transition);
}

.tab-image img:hover {
    transform: scale(1.03);
    box-shadow: 0 15px 40px var(--shadow-color);
}

.feature-list {
    margin-top: 20px;
}

.feature-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
}

.feature-list li i {
    color: var(--primary-color);
    margin-right: 15px;
    font-size: 18px;
    margin-top: 2px;
}

.feature-list li strong {
    font-weight: 600;
    color: var(--dark-color);
}

/* UI Mockups */
.ui-mockups {
    margin-top: 80px;
}

.mockup-title {
    text-align: center;
    font-size: 24px;
    margin-bottom: 40px;
    color: var(--secondary-color);
    position: relative;
    padding-bottom: 10px;
}

.mockup-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

.mockup-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
    gap: 30px;
}

.mockup-item {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--shadow-color);
    transition: var(--transition);
}

.mockup-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--shadow-color);
}

.mockup-item img {
    width: 100%;
    border-radius: 10px 10px 0 0;
}

.mockup-item p {
    padding: 15px;
    text-align: center;
    font-weight: 500;
    color: var(--dark-color);
    border-top: 1px solid var(--border-color);
}

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

/* Responsive adjustments for new components */
@media (max-width: 992px) {
    .tab-flex {
        flex-direction: column;
    }
    
    .tab-image {
        order: -1;
        margin-bottom: 30px;
    }
    
    .mockup-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .tabs-nav {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
}

/* Fiyatlandırma Bölümü */
.fiyatlandirma {
    padding: 80px 0;
    background-color: #f8fafc;
}

.pricing-tabs {
    margin-top: 40px;
}

.pricing-tabs .tabs-nav {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    background-color: #f1f5f9;
    padding: 10px;
    border-radius: 50px;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.pricing-tabs .tab-btn {
    padding: 10px 25px;
    border: none;
    background: none;
    font-size: 16px;
    font-weight: 500;
    color: #64748b;
    cursor: pointer;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.pricing-tabs .tab-btn.active {
    background-color: #3b82f6;
    color: #ffffff;
    box-shadow: 0 4px 6px rgba(59, 130, 246, 0.2);
}

.pricing-tabs .tab-content {
    display: none;
}

.pricing-tabs .tab-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.pricing-container {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.pricing-card {
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    width: 100%;
    max-width: 400px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.pricing-card.premium .pricing-header {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.pricing-card.standard .pricing-header {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
}

.pricing-header {
    padding: 25px;
    color: #ffffff;
}

.pricing-header h3 {
    margin: 0 0 10px 0;
    font-size: 24px;
    font-weight: 600;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.badge {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 4px 10px;
    font-size: 12px;
    border-radius: 20px;
}

.pricing-content {
    padding: 30px 25px;
}

.features {
    list-style: none;
    padding: 0;
    margin: 0 0 25px 0;
}

.features li {
    padding: 8px 0;
    font-size: 15px;
    color: #334155;
    display: flex;
    align-items: center;
}

.features li i {
    color: #10b981;
    margin-right: 10px;
    font-size: 14px;
}

.price-tag {
    border-top: 1px solid #e2e8f0;
    padding-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.one-time, .recurring {
    display: flex;
    flex-direction: column;
}

.amount {
    font-size: 28px;
    font-weight: 700;
    color: #0f172a;
}

.period {
    font-size: 14px;
    color: #64748b;
}

.atic-description {
    text-align: center;
    margin-bottom: 40px;
}

.highlight-text {
    display: inline-block;
    background-color: #e0f2fe;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 16px;
    color: #0369a1;
    font-weight: 500;
    max-width: 800px;
}

.info-card {
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 40px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.info-card h3 {
    margin: 0 0 20px 0;
    font-size: 24px;
    color: #0f172a;
}

.info-card p {
    color: #334155;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.notes {
    background-color: #f8fafc;
    padding: 20px;
    border-radius: 8px;
    margin: 25px 0;
}

.card-notes {
    background-color: rgba(248, 250, 252, 0.6);
    padding: 15px;
    margin-top: 15px;
    margin-bottom: 0;
    border-top: 1px dashed #e2e8f0;
    border-radius: 0;
}

.notes p {
    font-size: 14px;
    color: #64748b;
    margin: 5px 0;
}

.notes i {
    margin-right: 8px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Styles for Pricing */
@media (max-width: 768px) {
    .pricing-tabs .tabs-nav {
        flex-direction: column;
        background: none;
        padding: 0;
        gap: 10px;
    }
    
    .pricing-tabs .tab-btn {
        width: 100%;
        border-radius: 8px;
    }
    
    .pricing-container {
        flex-direction: column;
        align-items: center;
    }
    
    .pricing-card {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
    
    .hero-content h2 {
        font-size: 36px;
    }
    
    .hero .container,
    .flex-container {
        flex-direction: column;
    }
    
    .hero-content,
    .tanim-content {
        padding-right: 0;
        margin-bottom: 40px;
    }
    
    .timeline::after {
        left: 31px;
    }
    
    .timeline-content {
        width: calc(100% - 80px);
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        left: 80px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content::after,
    .timeline-item:nth-child(even) .timeline-content::after {
        left: -52px;
        right: auto;
    }
    
    .contact-container {
        flex-direction: column;
    }
    
    /* Responsive logo styles */
    .logo {
        justify-content: center;
        text-align: center;
        margin-bottom: 15px;
    }
    
    .logo p {
        padding-left: 0;
        text-align: center;
    }
    
    header .container {
        flex-direction: column;
    }
    
    nav ul {
        margin-top: 10px;
        justify-content: center;
    }
    
    /* Footer responsive adjustments */
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-logo {
        justify-content: center;
        margin-bottom: 15px;
    }
    
    .footer-logo p {
        padding-left: 0;
        text-align: center;
    }
    
    .copyright {
        margin-top: 15px;
    }
}

.fiyat-notlar {
    padding: 15px 0 50px 0;
    background-color: #f8fafc;
}

.price-notes {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    border-left: 4px solid #3b82f6;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    padding: 20px 30px;
    border-radius: 8px;
    text-align: center;
}

.price-notes p {
    font-size: 16px;
    color: #475569;
    margin: 8px 0;
}

.price-notes i {
    color: #3b82f6;
    margin-right: 10px;
    font-size: 18px;
}