:root {
    --primary-color: #0066ff;
    --primary-dark: #0052cc;
    --primary-light: #e6f0ff;
    --secondary-color: #00c2ff;
    --accent-color: #FF3366;
    --gradient-primary: linear-gradient(135deg, #0066ff, #00c2ff);
    --gradient-secondary: linear-gradient(135deg, #FF3366, #FF6B6B);
    --text-color: #333;
    --text-light: #666;
    --white: #ffffff;
    --light-bg: #f5f8ff;
    --border-color: #e1e4e8;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 10px 30px rgba(0,102,255,0.15);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f6fa;
}

a {
    text-decoration: none;
    color: inherit;
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Genel buton stilleri */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

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

.btn-primary {
    background-color: #3498db;
    color: #fff;
}

.btn-primary:hover {
    background-color: #2980b9;
}

/* Responsive tasarım */
@media (max-width: 768px) {
    .wrapper {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        position: sticky;
        top: 0;
        z-index: 1000;
    }

    .main-content {
        padding: 15px;
    }

    .payments-table {
        font-size: 14px;
    }

    .payments-table th,
    .payments-table td {
        padding: 8px 10px;
    }
}

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

/* Header Styles */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: all 0.3s ease;
}

.main-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
}

.logo h1 {
    font-size: 24px;
    color: var(--primary-color);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--primary-color);
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 30px;
    list-style: none;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    background: var(--gradient-primary);
    padding: 140px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/pattern.svg') center/cover;
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--white);
    text-align: center;
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 25px;
    background: linear-gradient(to right, #fff, #e6f0ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: 22px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 40px;
    animation: fadeInUp 1s ease 0.2s;
    opacity: 0;
    animation-fill-mode: forwards;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1s ease 0.4s;
    opacity: 0;
    animation-fill-mode: forwards;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--white);
}

.features h2 {
    text-align: center;
    margin-bottom: 50px;
}

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

.feature-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card i {
    font-size: 48px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 25px;
}

/* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background: var(--light-bg);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.step {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
    position: relative;
    text-align: center;
}

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

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 30px;
}

.step h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.step p {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.6;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background: #f8f9fa;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.pricing-card {
    background: #fff;
    border-radius: 15px;
    padding: 40px 30px;
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid #e1e8ed;
    display: flex;
    flex-direction: column;
}

.pricing-card.popular {
    transform: scale(1.05);
    border: 2px solid #0066ff;
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.1);
}

.pricing-card.popular::before {
    content: 'En Popüler';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #0066ff;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #e1e8ed;
}

.pricing-header h3 {
    color: #2c3e50;
    font-size: 24px;
    margin-bottom: 20px;
}

.price {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.price .amount {
    font-size: 48px;
    font-weight: 700;
    color: #0066ff;
}

.price .currency {
    font-size: 24px;
    color: #0066ff;
    margin-top: -20px;
}

.price .period {
    color: #6c757d;
    font-size: 16px;
}

.pricing-features {
    flex-grow: 1;
    margin-bottom: 30px;
}

.pricing-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pricing-features li {
    padding: 12px 0;
    color: #2c3e50;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features i {
    color: #0066ff;
    font-size: 16px;
}

.pricing-footer {
    text-align: center;
}

.pricing-footer .btn {
    width: 100%;
    padding: 15px;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: #0066ff;
    color: white;
    border: none;
}

.btn-primary:hover {
    background: #0052cc;
    transform: translateY(-2px);
}

.btn-highlighted {
    background: #00cc66;
}

.btn-highlighted:hover {
    background: #00b359;
}

/* About Section */
.about {
    padding: 80px 0;
    background: var(--light-bg);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: var(--white);
}

.contact-content {
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.info-item {
    background: var(--white);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.info-item i {
    font-size: 32px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
}

.info-item p {
    color: var(--text-color);
    font-size: 16px;
    font-weight: 500;
}

/* Footer */
.footer {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/pattern.svg') center/cover;
    opacity: 0.1;
}

.footer-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section {
    padding: 0 20px;
}

.footer-section h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 25px;
    color: var(--white);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-section a:hover {
    color: var(--white);
    transform: translateX(5px);
}

/* Sosyal medya ikonları düzeltmesi */
.social-links {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a i {
    font-size: 18px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--white);
    transform: translateY(-5px);
}

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

.footer-bottom {
    position: relative;
    z-index: 2;
    text-align: center;
    padding-top: 30px;
    margin-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 35px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 16px;
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
    min-width: 180px;
    gap: 10px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,102,255,0.2);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary-color);
    border-color: var(--white);
    transform: translateY(-3px);
}

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

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0px);
    }
}

/* Section Başlıkları */
section h2 {
    font-size: 42px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 20px;
        box-shadow: var(--shadow);
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 15px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 18px;
    }

    .hero-buttons {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .container {
        padding: 0 15px;
    }

    .contact-info {
        grid-template-columns: 1fr;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        margin: 5px auto;
    }

    .footer {
        padding: 60px 0 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .footer-section {
        padding: 0;
    }

    .social-links {
        justify-content: center;
    }

    .footer-section ul li {
        margin-bottom: 10px;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        padding: 0 20px;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }

    .hero p {
        font-size: 16px;
    }

    .pricing-card {
        margin: 0 10px;
    }

    .footer {
        padding: 40px 0 20px;
    }

    .social-links {
        gap: 10px;
    }

    .social-links a {
        width: 35px;
        height: 35px;
    }

    .social-links a i {
        font-size: 16px;
    }

    .footer-section ul li {
        margin-bottom: 10px;
    }
}

/* Hero section düzeltmesi */
.hero-image {
    display: none;
}