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

:root {
    --primary-color: #ec4899;
    --primary-dark: #db2777;
    --primary-light: #f9a8d4;
    --secondary-color: #8b5cf6;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --text-light: #9ca3af;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-light: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Mobile Menu */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
    display: block;
    opacity: 1;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: white;
    transition: var(--transition);
    border-radius: 2px;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    transition: var(--transition);
    z-index: 1001;
}

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

.logo-icon-img {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links a:hover,
.nav-links a.active {
    background-color: rgba(255, 255, 255, 0.2);
}

.github-link {
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.github-link:hover {
    background-color: white !important;
    color: var(--primary-color) !important;
}

.github-link:hover svg {
    fill: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 50%, var(--secondary-color) 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    margin-bottom: 2rem;
    animation: fadeInDown 0.8s ease;
}

.badge {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    animation: fadeInUp 0.8s ease 0.2s both;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.35rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease 0.6s both;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.05rem;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: white;
    color: var(--primary-color);
    box-shadow: var(--shadow-xl);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid white;
    backdrop-filter: blur(10px);
}

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

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    animation: fadeInUp 0.8s ease 0.8s both;
    flex-wrap: wrap;
}

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

.hero-stat strong {
    font-size: 2rem;
    font-weight: 800;
    display: block;
    margin-bottom: 0.25rem;
}

.hero-stat span {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Features Highlight */
.features-highlight {
    padding: 60px 0;
    background: white;
}

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

.feature-highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 2px solid transparent;
}

.feature-highlight-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
    background: white;
}

.feature-highlight-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.feature-highlight-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 700;
}

.feature-highlight-content p {
    color: var(--text-gray);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* App Preview Section */
.app-preview {
    padding: 100px 0;
    background: linear-gradient(180deg, white 0%, var(--bg-light) 100%);
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    font-size: 1.15rem;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.screenshot-item {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(236, 73, 153, 0.15);
    transition: var(--transition);
    background: white;
    padding: 1.5rem;
}

.screenshot-item:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 50px rgba(236, 73, 153, 0.25);
}

.screenshot-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    transition: var(--transition);
}

.screenshot-item:hover img {
    transform: scale(1.03);
}

.screenshot-label {
    text-align: center;
    margin-top: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
}

/* Features Section */
.features-overview {
    padding: 100px 0;
    background-color: var(--bg-white);
}

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

.feature-card {
    background: linear-gradient(135deg, white 0%, var(--bg-light) 100%);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
    background: white;
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
    font-weight: 700;
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* Download Section */
.download {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 50%, var(--secondary-color) 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.download::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.2;
}

.download-content {
    position: relative;
    z-index: 1;
}

.download-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.download-content p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.download-btn {
    transition: var(--transition);
    display: inline-block;
}

.download-btn img {
    height: 60px;
    width: auto;
}

.download-btn:hover {
    transform: scale(1.05);
}

.download-note {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.download-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.download-links a {
    color: white;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: var(--transition);
    font-weight: 500;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.download-links a:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-2px);
}

.download-links a:hover svg {
    fill: var(--primary-color);
}

/* Stats Section */
.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--bg-light) 0%, white 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2.5rem 2rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid transparent;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.75rem;
}

.stat-label {
    color: var(--text-gray);
    font-weight: 600;
    font-size: 0.95rem;
}

/* Tech Stack */
.tech-stack {
    padding: 80px 0;
    background: white;
}

.tech-grid {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.tech-item {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    color: white;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.tech-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #fff;
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1.25rem;
    color: var(--primary-light);
    font-weight: 700;
}

.footer-section p {
    color: #bbb;
    line-height: 1.7;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.footer-dev,
.footer-org {
    font-weight: 600;
    color: white;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: #bbb;
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

.footer-section a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-copyright {
    color: #888;
    font-size: 0.85rem;
    margin-top: 1.5rem;
    font-weight: 400;
}

.footer-bottom {
    text-align: center;
    padding-top: 2.5rem;
    border-top: 1px solid #444;
    color: #888;
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--primary-light);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Content Pages */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 80px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
}

.content-section {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.content-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    border-left: 4px solid var(--primary-color);
}

.content-card h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.content-card h3 {
    color: var(--text-dark);
    font-size: 1.4rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.content-card p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.content-card ul,
.content-card ol {
    margin-left: 2rem;
    margin-bottom: 1.25rem;
}

.content-card li {
    color: var(--text-gray);
    margin-bottom: 0.75rem;
    line-height: 1.7;
}

/* Contact Cards */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.contact-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.contact-card h3 {
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
    font-weight: 700;
}

.contact-card p {
    color: var(--text-gray);
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.contact-card a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.contact-card a:hover {
    color: var(--primary-dark);
}

/* FAQ Section */
.faq-item {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.faq-question {
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    font-size: 1.15rem;
}

.faq-answer {
    color: var(--text-gray);
    line-height: 1.7;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.25rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 280px;
        background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
        flex-direction: column;
        padding: 100px 30px 30px;
        box-shadow: var(--shadow-xl);
        transition: right 0.3s ease;
        gap: 0.5rem;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        width: 100%;
        padding: 1rem;
        text-align: left;
        font-size: 1.1rem;
    }
    
    .github-link {
        margin-top: 1rem;
        border-color: white;
    }
    
    .hero {
        padding: 80px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        justify-content: center;
        padding: 1rem 1.5rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .hero-stat strong {
        font-size: 1.5rem;
    }
    
    .features-highlight .container {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .screenshots-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .download-content h2 {
        font-size: 2rem;
    }
    
    .download-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-grid {
        gap: 1rem;
    }
    
    .tech-item {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .page-header h1 {
        font-size: 2.25rem;
    }
    
    .page-header p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .logo-icon-img {
        width: 40px;
        height: 40px;
    }
    
    .logo-text {
        font-size: 1.25rem;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .screenshots-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .screenshot-item {
        max-width: 350px;
        margin: 0 auto;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card,
    .content-card,
    .contact-card,
    .faq-item {
        padding: 1.5rem;
    }
    
    .download-content h2 {
        font-size: 1.75rem;
    }
    
    .page-header h1 {
        font-size: 1.75rem;
    }
}

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

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Loading States */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}