/* Temel Stiller */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary: #4F46E5;
    --primary-dark: #4338CA;
    --secondary: #10B981;
    --dark: #1F2937;
    --light: #F9FAFB;
    --gray: #6B7280;
    --light-gray: #E5E7EB;
}

body {
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
}

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

section {
    padding: 80px 0;
}

h1, h2, h3, h4 {
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
}

h3 {
    font-size: 1.8rem;
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
    color: var(--gray);
    font-size: 1.1rem;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    background-color: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

    .btn:hover {
        background-color: var(--primary-dark);
        transform: translateY(-3px);
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }

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

    .btn-secondary:hover {
        background-color: #0DA271;
    }

.btn-large {
    padding: 18px 40px;
    font-size: 1.2rem;
}

/* Header */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: fixed;
    width: 100%;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
}

    .logo i {
        margin-right: 10px;
        font-size: 2rem;
    }

.nav-links {
    display: flex;
    list-style: none;
}

    .nav-links li {
        margin-left: 30px;
    }

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark);
    cursor: pointer;
}

/* Hero Bölümü */
.hero {
    padding-top: 150px;
    background: linear-gradient(135deg, #f5f7ff 0%, #f0f2ff 100%);
    overflow: hidden;
}

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

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

.hero-image {
    flex: 1;
    text-align: center;
}

    .hero-image img {
        max-width: 100%;
        border-radius: 10px;
        box-shadow: 0 20px 40px rgba(79, 70, 229, 0.15);
    }

.hero-buttons {
    margin-top: 30px;
}

    .hero-buttons .btn {
        margin-right: 15px;
        margin-bottom: 15px;
    }

/* Özellikler Bölümü */
.features {
    background-color: white;
}

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

.feature-card {
    background-color: white;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
    text-align: center;
}

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

.feature-icon {
    background-color: rgba(79, 70, 229, 0.1);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

    .feature-icon i {
        font-size: 2.5rem;
        color: var(--primary);
    }

/* Nasıl Çalışır Bölümü */
.how-it-works {
    background-color: #f8fafc;
}

.steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: 40px;
}

.step {
    flex: 1;
    min-width: 250px;
    text-align: center;
    padding: 0 15px;
    margin-bottom: 30px;
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

/* Avantajlar Bölümü */
.advantages {
    background-color: white;
}

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

.advantages-text {
    flex: 1;
    padding-right: 40px;
    min-width: 300px;
}

.advantages-list {
    list-style: none;
    margin-top: 20px;
}

    .advantages-list li {
        padding: 10px 0;
        border-bottom: 1px solid var(--light-gray);
        display: flex;
        align-items: center;
    }

        .advantages-list li i {
            color: var(--secondary);
            margin-right: 15px;
            font-size: 1.2rem;
        }

.advantages-image {
    flex: 1;
    text-align: center;
    min-width: 300px;
}

    .advantages-image img {
        max-width: 100%;
        border-radius: 10px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    }

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

.contact-container {
    max-width: 800px;
    margin: 0 auto;
}

.contact-form {
    background-color: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: 25px;
}

    .form-group label {
        display: block;
        margin-bottom: 8px;
        font-weight: 600;
        color: var(--dark);
    }

    .form-group input,
    .form-group textarea {
        width: 100%;
        padding: 15px;
        border: 1px solid var(--light-gray);
        border-radius: 8px;
        font-size: 1rem;
        transition: border-color 0.3s;
    }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
        }

    .form-group textarea {
        min-height: 150px;
        resize: vertical;
    }

.submit-btn {
    width: 100%;
    padding: 16px;
    font-size: 1.1rem;
}

/* CTA Bölümü */
.cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
    padding: 100px 0;
}

    .cta h2 {
        color: white;
    }

    .cta p {
        color: rgba(255,255,255,0.8);
        max-width: 600px;
        margin: 0 auto 30px;
    }

/* Footer */
footer {
    background-color: var(--dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.footer-column {
    flex: 1;
    min-width: 250px;
    margin-bottom: 30px;
}

    .footer-column h3 {
        color: white;
        margin-bottom: 20px;
        font-size: 1.3rem;
    }

.footer-links {
    list-style: none;
}

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

    .footer-links a {
        color: rgba(255,255,255,0.7);
        text-decoration: none;
        transition: color 0.3s;
    }

        .footer-links a:hover {
            color: white;
        }

.contact-info {
    list-style: none;
}

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

    .contact-info i {
        margin-right: 15px;
        margin-top: 3px;
        color: var(--secondary);
    }

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

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

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

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

/* Responsive Tasarım */
@media (max-width: 992px) {
    h1 {
        font-size: 2.8rem;
    }

    h2 {
        font-size: 2.2rem;
    }

    .hero-content {
        flex-direction: column;
    }

    .hero-text {
        padding-right: 0;
        margin-bottom: 50px;
        text-align: center;
    }

    .advantages-content {
        flex-direction: column;
    }

    .advantages-text {
        padding-right: 0;
        margin-bottom: 50px;
        text-align: center;
    }

    .steps {
        justify-content: center;
    }

    .step {
        min-width: 300px;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        box-shadow: 0 10px 15px rgba(0,0,0,0.05);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

        .nav-links.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }

        .nav-links li {
            margin: 15px 0;
        }

    h1 {
        font-size: 2.3rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    section {
        padding: 60px 0;
    }

    .hero {
        padding-top: 120px;
    }

    .contact-form {
        padding: 30px 20px;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 15px;
        margin-right: 0;
    }
}