:root {
    --primary-color: #7C3AED;
    --secondary-color: #4F46E5;
    --accent-color: #06B6D4;
    --text-color: #1F2937;
    --light-bg: #F9FAFB;
    --gradient: linear-gradient(135deg, #7C3AED, #4F46E5);
    --dark-bg: #121212;
    --dark-card: #1E1E1E;
    --dark-text: #E0E0E0;
    --shadow: 0 10px 30px rgba(0,0,0,0.05);
    --shadow-hover: 0 15px 35px rgba(0,0,0,0.1);
}

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

body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    line-height: 1.6;
    background: var(--light-bg);
    color: var(--text-color);
    min-height: 100vh;
    scroll-behavior: smooth;
    transition: background-color 0.3s ease, color 0.3s ease;
}

body.dark-mode {
    background: var(--dark-bg);
    color: var(--dark-text);
}

.dark-mode .feature-card,
.dark-mode .privacy-content,
.dark-mode .cta-section,
.dark-mode footer {
    background: var(--dark-card);
    color: var(--dark-text);
}

.dark-mode .feature-card p,
.dark-mode .cta-section p {
    color: #BBB;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

header {
    text-align: center;
    padding: 60px 0;
    background: var(--gradient);
    margin: -40px -20px 40px;
    color: white;
    position: relative;
    overflow: hidden;
}

header::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(30deg);
}

h1 {
    font-size: 3.5em;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -1px;
    position: relative;
    z-index: 1;
}

.welcome-text {
    text-align: center;
    font-size: 1.4em;
    margin-bottom: 50px;
    color: #555;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.store-buttons {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.store-button {
    position: relative;
    transition: all 0.3s ease;
}

.store-button img {
    height: 65px;
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.1));
    transition: all 0.3s ease;
}

.store-button:hover img {
    transform: translateY(-5px);
    filter: drop-shadow(0 8px 12px rgba(0,0,0,0.15));
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.4em;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

footer {
    text-align: center;
    padding: 40px 0;
    background: white;
    margin: 60px -20px -40px;
}

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

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

/* Privacy Policy Styles */
.privacy-content {
    background: white;
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    margin: 20px auto;
    max-width: 800px;
}

.privacy-content h2 {
    color: var(--primary-color);
    margin: 30px 0 20px;
    font-size: 1.8em;
}

.privacy-content ul {
    list-style: none;
    padding-left: 20px;
}

.privacy-content li {
    margin-bottom: 15px;
    position: relative;
    padding-left: 25px;
}

.privacy-content li::before {
    content: '•';
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-size: 1.5em;
    line-height: 1;
}

/* Mevcut CSS'e ek olarak */
.tagline {
    font-size: 2em;
    font-weight: 600;
    margin-bottom: 10px;
    color: rgba(255,255,255,0.95);
}

.subtitle {
    font-size: 1.3em;
    color: rgba(255,255,255,0.9);
}

.feature-icon {
    font-size: 2.5em;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.how-it-works {
    text-align: center;
    margin: 80px 0;
}

.how-it-works h2 {
    font-size: 2.2em;
    color: var(--text-color);
    margin-bottom: 40px;
}

.steps {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.step {
    flex: 1;
    min-width: 200px;
    max-width: 300px;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    font-weight: 600;
    margin: 0 auto 20px;
}

.cta-section {
    text-align: center;
    background: white;
    padding: 60px 20px;
    border-radius: 20px;
    margin: 40px 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.cta-section h2 {
    font-size: 2.2em;
    color: var(--text-color);
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.2em;
    color: #666;
    margin-bottom: 30px;
}

/* Navigation Bar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background: rgba(255, 255, 255, 0.95);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.dark-mode .navbar {
    background: rgba(30, 30, 30, 0.95);
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.navbar.scrolled {
    padding: 10px 30px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.5em;
}

.logo img {
    height: 40px;
    margin-right: 10px;
    filter: brightness(1);
    transition: filter 0.3s ease, transform 0.3s ease;
}

.dark-mode .logo img {
    filter: brightness(10);
}

.logo:hover img {
    transform: scale(1.1);
}

.nav-links {
    display: flex;
    gap: 30px;
}

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

.dark-mode .nav-links a {
    color: var(--dark-text);
}

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

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2em;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.dark-mode .theme-toggle {
    color: var(--dark-text);
}

.theme-toggle:hover {
    color: var(--primary-color);
}

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

.dark-mode .mobile-menu-btn {
    color: var(--dark-text);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.5em;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--secondary-color);
    transform: translateY(-5px);
}

/* Privacy Policy Specific Styles */
.privacy-content-wrapper {
    display: flex;
    gap: 30px;
    margin: 40px 0;
}

@media (max-width: 992px) {
    .privacy-content-wrapper {
        flex-direction: column;
    }
}

/* Table of Contents for Privacy Policy */
.toc {
    background: rgba(255,255,255,0.8);
    padding: 20px;
    border-radius: 10px;
    position: sticky;
    top: 100px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    flex: 0 0 250px;
}

.last-updated {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #666;
    font-size: 0.9em;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.dark-mode .last-updated {
    color: #aaa;
    border-bottom-color: #333;
}

.last-updated i {
    color: var(--primary-color);
}

.contact-email {
    color: var(--primary-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.dark-mode .toc {
    background: rgba(40,40,40,0.8);
}

.toc h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.toc ul {
    list-style: none;
    padding-left: 0;
}

.toc li {
    margin-bottom: 10px;
    padding-left: 0;
}

.toc li::before {
    display: none;
}

.toc a {
    text-decoration: none;
    color: var(--text-color);
    transition: color 0.3s ease;
    display: block;
    padding: 5px 10px;
    border-radius: 5px;
}

.dark-mode .toc a {
    color: var(--dark-text);
}

.toc a:hover {
    background: rgba(124, 58, 237, 0.1);
    color: var(--primary-color);
}

.toc a.active {
    background: rgba(124, 58, 237, 0.2);
    color: var(--primary-color);
    font-weight: 500;
}

/* Testimonials */
.testimonials {
    margin: 80px 0;
}

.testimonials h2 {
    text-align: center;
    font-size: 2.2em;
    margin-bottom: 40px;
}

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

.testimonial-card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.dark-mode .testimonial-card {
    background: var(--dark-card);
}

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

.testimonial-content {
    font-style: italic;
    margin-bottom: 20px;
    color: #555;
}

.dark-mode .testimonial-content {
    color: #BBB;
}

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

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
    object-fit: cover;
}

.author-info h4 {
    margin: 0;
    color: var(--primary-color);
}

.author-info p {
    margin: 0;
    font-size: 0.9em;
    color: #777;
}

.dark-mode .author-info p {
    color: #999;
}

/* FAQ Section */
.faq-section {
    margin: 80px 0;
}

.faq-section h2 {
    text-align: center;
    font-size: 2.2em;
    margin-bottom: 40px;
}

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

.faq-item {
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: white;
    transition: box-shadow 0.3s ease;
}

.dark-mode .faq-item {
    background: var(--dark-card);
}

.faq-item:hover {
    box-shadow: var(--shadow-hover);
}

.faq-question {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--text-color);
    transition: background-color 0.3s ease;
}

.dark-mode .faq-question {
    color: var(--dark-text);
}

.faq-question:hover {
    background-color: rgba(124, 58, 237, 0.05);
}

.faq-question::after {
    content: '+';
    font-size: 1.5em;
    color: var(--primary-color);
}

.faq-item.active .faq-question::after {
    content: '-';
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    color: #666;
}

.dark-mode .faq-answer {
    color: #BBB;
}

.faq-item.active .faq-answer {
    padding: 0 20px 20px;
    max-height: 1000px;
}

/* Contact Form */
.contact-section {
    margin: 80px 0;
    text-align: center;
}

.contact-section h2 {
    font-size: 2.2em;
    margin-bottom: 20px;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.dark-mode .contact-form {
    background: var(--dark-card);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1em;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background: white;
}

.dark-mode .form-control {
    background: #333;
    border-color: #444;
    color: var(--dark-text);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.btn-submit {
    background: var(--gradient);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: inline-block;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(124, 58, 237, 0.4);
}

/* Enhanced Footer */
footer {
    text-align: center;
    padding: 60px 0 40px;
    background: white;
    margin: 60px -20px -40px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-column {
    flex: 1;
    min-width: 200px;
    margin-bottom: 30px;
    text-align: left;
}

.footer-column h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.2em;
}

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

.footer-column li {
    margin-bottom: 10px;
    padding: 0;
}

.footer-column li::before {
    display: none;
}

.footer-column a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.dark-mode .footer-column a {
    color: var(--dark-text);
}

.footer-column a:hover {
    color: var(--primary-color);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.dark-mode .social-links a {
    background: var(--dark-bg);
}

.social-links a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.copyright {
    margin-top: 40px;
    color: #777;
    font-size: 0.9em;
}

.dark-mode .copyright {
    color: #999;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Collapsible Sections for Privacy Policy */
.collapsible-header {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.collapsible-header::after {
    content: '+';
    font-size: 1.5em;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.collapsible-section.active .collapsible-header::after {
    content: '-';
}

.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.collapsible-section.active .collapsible-content {
    max-height: 2000px;
}

/* Hesap Silme Sayfası Stilleri */
.delete-account-section {
    max-width: 600px;
    margin: 2rem auto;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.warning-box {
    background-color: #fff3cd;
    border: 1px solid #ffeeba;
    color: #856404;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.warning-box i {
    font-size: 1.5rem;
}

.delete-account-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: var(--text-primary);
}

.form-group small {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.form-control {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-control:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.2);
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.btn-delete {
    background-color: #dc3545;
    color: white;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-delete:hover {
    background-color: #c82333;
}

.info-box {
    margin-top: 2rem;
    padding: 1rem;
    background-color: #e7f5ff;
    border: 1px solid #b8daff;
    color: #004085;
    border-radius: 8px;
}

.info-box i {
    margin-right: 0.5rem;
}

/* Dark mode için ek stiller */
[data-theme="dark"] .warning-box {
    background-color: rgba(255, 243, 205, 0.1);
    border-color: rgba(255, 238, 186, 0.2);
    color: #ffd700;
}

[data-theme="dark"] .info-box {
    background-color: rgba(231, 245, 255, 0.1);
    border-color: rgba(184, 218, 255, 0.2);
    color: #8bb9ff;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5em;
    }

    .privacy-content {
        padding: 30px;
        margin: 20px;
    }

    .container {
        padding: 20px;
    }

    .steps {
        flex-direction: column;
        align-items: center;
    }

    .step {
        margin-bottom: 30px;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }

    .dark-mode .nav-links {
        background: var(--dark-card);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .testimonial-grid,
    .footer-content {
        grid-template-columns: 1fr;
    }

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

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