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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
}

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

/* Header */
.header {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    max-height: 50px;
    width: auto;
}

/* Desktop Menu */
.desktop-menu {
    display: flex;
    gap: 20px;
    align-items: center;
}

.desktop-menu-item {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 5px;
    border: 2px solid #e0e0e0;
    transition: all 0.3s;
    display: inline-block;
}

.desktop-menu-item:hover {
    background: #667eea;
    color: white;
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

.btn-back {
    padding: 10px 20px;
    background: #667eea;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    z-index: 999;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s;
}

.mobile-menu.active {
    display: block;
    max-height: 500px;
}

.mobile-menu-content {
    padding: 20px;
}

.mobile-menu-item {
    display: block;
    padding: 15px;
    color: #333;
    text-decoration: none;
    border-bottom: 1px solid #eee;
    transition: background 0.3s;
}

.mobile-menu-item:hover {
    background: #f5f5f5;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 10px;
    opacity: 0.9;
}

.hero-description {
    font-size: 1rem;
    margin-bottom: 40px;
    opacity: 0.8;
}

.domain-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.form-group input {
    flex: 1;
    padding: 15px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
}

.btn-primary {
    padding: 15px 30px;
    background: white;
    color: #667eea;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
}

.recaptcha-container {
    display: flex;
    justify-content: center;
}

/* SSS Section */
.sss-section {
    padding: 60px 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: #333;
}

.sss-list {
    max-width: 800px;
    margin: 0 auto;
}

.sss-item {
    margin-bottom: 15px;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    overflow: hidden;
}

.sss-question {
    padding: 20px;
    background: #f9f9f9;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s;
}

.sss-question:hover {
    background: #f0f0f0;
}

.sss-question.active {
    background: #667eea;
    color: white;
}

.sss-icon {
    font-size: 1.5rem;
    font-weight: bold;
    transition: transform 0.3s;
}

.sss-question.active .sss-icon {
    transform: rotate(45deg);
}

.sss-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s, padding 0.3s;
}

.sss-answer.active {
    padding: 20px;
    max-height: 1000px;
}

/* Results Section */
.results-section {
    padding: 40px 0;
}

.results-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: #333;
}

.info-box {
    background: white;
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.info-box-title {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #667eea;
    border-bottom: 2px solid #667eea;
    padding-bottom: 10px;
}

.info-box-content {
    display: grid;
    gap: 15px;
}

.info-row {
    display: flex;
    flex-wrap: wrap;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.info-label {
    font-weight: 600;
    min-width: 200px;
    color: #666;
}

.info-value {
    flex: 1;
    color: #333;
}

.error-box {
    background: #f8d7da;
    color: #721c24;
    padding: 20px;
    border-radius: 5px;
    text-align: center;
    margin: 20px 0;
}

/* Purchase Section */
.purchase-section {
    background: white;
    border-radius: 10px;
    padding: 30px;
    margin-top: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.purchase-title {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #333;
}

.firmalar-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.firma-btn {
    display: block;
    padding: 15px 20px;
    background: #667eea;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    text-align: center;
    font-weight: 500;
    transition: background 0.3s, transform 0.2s;
}

.firma-btn:hover {
    background: #5568d3;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 30px 0;
    margin-top: 60px;
}

/* Responsive */
@media (max-width: 768px) {
    .desktop-menu {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .form-group {
        flex-direction: column;
    }

    .info-row {
        flex-direction: column;
    }

    .info-label {
        margin-bottom: 5px;
    }

    .info-box {
        padding: 20px;
    }
}