/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #667eea;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding-top: 80px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn.primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.btn.secondary {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn.secondary:hover {
    background: #667eea;
    color: white;
}

.btn.large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.phone-mockup {
    position: relative;
    max-width: 300px;
    margin: 0 auto;
}

.app-screenshot {
    width: 100%;
    height: auto;
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.2rem;
    color: #666;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

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

/* MBTI Dimensions */
.mbti-dimensions {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.dimensions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.dimension-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.dimension-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
}

.dimension-card p {
    color: #666;
}

/* Screenshots Section */
.screenshots {
    padding: 6rem 0;
    background: white;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.screenshot-item {
    text-align: center;
}

.screenshot-item img {
    width: 100%;
    max-width: 250px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.screenshot-item img:hover {
    transform: scale(1.05);
}

.screenshot-item h4 {
    margin-top: 1rem;
    font-weight: 600;
    color: #333;
}

/* Benefits Section */
.benefits {
    padding: 6rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.benefits .section-header h2 {
    color: white;
    background: none;
    -webkit-text-fill-color: white;
}

.benefits .section-header p {
    color: rgba(255, 255, 255, 0.8);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.benefit-item {
    text-align: center;
}

.benefit-item h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.benefit-item p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

/* Download Section */
.download {
    padding: 6rem 0;
    background: white;
}

.download-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 3rem;
    align-items: center;
}

.download-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.download-text p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.download-qr {
    text-align: center;
}

.qr-code {
    width: 150px;
    height: 150px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.download-qr p {
    margin-top: 1rem;
    color: #666;
    font-weight: 500;
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #667eea;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #555;
    color: #ccc;
}

/* Privacy Policy Styles */
.privacy-policy {
    padding: 6rem 0 4rem;
    background: white;
    min-height: 100vh;
}

.privacy-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-top: 2rem;
}

.privacy-header h1 {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.last-updated {
    color: #666;
    font-style: italic;
    font-size: 1.1rem;
}

.privacy-content {
    max-width: 800px;
    margin: 0 auto;
}

.privacy-section {
    margin-bottom: 3rem;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 15px;
    border-left: 4px solid #667eea;
}

.privacy-section h2 {
    color: #333;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.privacy-section h3 {
    color: #444;
    font-size: 1.4rem;
    font-weight: 600;
    margin: 1.5rem 0 1rem 0;
}

.privacy-section p {
    color: #555;
    line-height: 1.8;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.privacy-section ul {
    margin: 1rem 0;
    padding-left: 2rem;
}

.privacy-section li {
    color: #555;
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.privacy-section li strong {
    color: #333;
}

.privacy-highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2.5rem;
    border-radius: 20px;
    margin: 3rem 0;
    text-align: center;
}

.privacy-highlight h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.privacy-highlight p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin: 0;
    color: rgba(255, 255, 255, 0.95);
}

.privacy-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 3rem 0;
    flex-wrap: wrap;
}

.nav-menu a.active {
    color: #667eea;
    font-weight: 600;
}

/* Privacy Notice Section */
.privacy-notice {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.privacy-notice-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.privacy-icon {
    font-size: 3rem;
    color: #667eea;
    flex-shrink: 0;
}

.privacy-text h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 1rem;
}

.privacy-text p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.privacy-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.privacy-link:hover {
    color: #764ba2;
    transform: translateX(5px);
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .download-text h2 {
        font-size: 2rem;
    }
    
    .privacy-header h1 {
        font-size: 2.5rem;
    }
    
    .privacy-section {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .privacy-section h2 {
        font-size: 1.5rem;
    }
    
    .privacy-section h3 {
        font-size: 1.2rem;
    }
    
    .privacy-highlight {
        padding: 2rem;
    }
    
    .privacy-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .privacy-actions .btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
    
    .privacy-notice-content {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }
    
    .privacy-icon {
        font-size: 2.5rem;
    }
    
    .privacy-text h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .privacy-header h1 {
        font-size: 2rem;
    }
    
    .privacy-section {
        padding: 1rem;
    }
    
    .privacy-section ul {
        padding-left: 1.5rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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