:root {
    --primary-color: #22C55E;
    --primary-dark: #16A34A;
    --primary-light: #4ADE80;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;
    --background: #FFFFFF;
    --background-gray: #F9FAFB;
    --border-color: #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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

.navbar {
    background-color: var(--background);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-img {
    width: 40px;
    height: 40px;
    transition: transform 0.3s ease;
}

.logo:hover .logo-img {
    transform: rotate(5deg);
}

.logo-text {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 15px;
}

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

.btn-nav {
    padding: 8px 20px;
    background-color: var(--primary-color);
    color: white !important;
    border-radius: 8px;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn-nav:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}

.hero {
    padding: 80px 0 120px;
    background: linear-gradient(135deg, #F0FDF4 0%, #FFFFFF 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.floating-icon {
    position: absolute;
    font-size: 32px;
    opacity: 0.15;
    animation: float 6s ease-in-out infinite;
}

.icon-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.icon-2 {
    top: 20%;
    right: 15%;
    animation-delay: 1s;
}

.icon-3 {
    bottom: 30%;
    left: 15%;
    animation-delay: 2s;
}

.icon-4 {
    bottom: 20%;
    right: 10%;
    animation-delay: 3s;
}

.icon-5 {
    top: 50%;
    left: 5%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-20px) rotate(5deg);
    }
    50% {
        transform: translateY(-10px) rotate(-5deg);
    }
    75% {
        transform: translateY(-15px) rotate(3deg);
    }
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-logo-large {
    margin-bottom: 24px;
    animation: fadeInScale 0.8s ease-out;
}

.hero-logo-img {
    width: 120px;
    height: 120px;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

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

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.5;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: scale(1.1);
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    position: relative;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

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

.btn-pulse {
    animation: fadeInUp 0.8s ease-out 0.8s both, pulse 2s ease-in-out 1.8s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(34, 197, 94, 0);
    }
}

.hero-note {
    margin-top: 24px;
    font-size: 14px;
    color: var(--text-light);
    animation: fadeInUp 0.8s ease-out 1s both;
}

.features {
    padding: 100px 0;
    background-color: var(--background);
}

.section-title {
    text-align: center;
    font-size: 40px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 32px;
    background-color: var(--background);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background-color: #DCFCE7;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    color: var(--primary-color);
    stroke-width: 2;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 15px;
}

.screenshots {
    padding: 100px 0;
    background-color: var(--background-gray);
    overflow: hidden;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 60px;
    margin-top: -40px;
}

.carousel-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding: 20px 0;
}

.carousel-track {
    display: flex;
    gap: 32px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 0 calc(50% - 180px);
}

.carousel-track::-webkit-scrollbar {
    display: none;
}

.screenshot-item {
    flex: 0 0 auto;
    width: 360px;
    scroll-snap-align: center;
    transition: transform 0.3s ease, opacity 0.3s ease;
    opacity: 0.6;
}

.screenshot-item:hover {
    transform: scale(1.05);
    opacity: 1;
}

.screenshot-item img {
    width: 100%;
    height: auto;
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
    transition: box-shadow 0.3s ease;
}

.screenshot-item:hover img {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.screenshot-label {
    text-align: center;
    margin-top: 16px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 40px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--border-color);
    transition: all 0.3s ease;
    cursor: pointer;
}

.dot.active {
    background-color: var(--primary-color);
    width: 32px;
    border-radius: 5px;
}

.dot:hover {
    background-color: var(--primary-light);
}

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

.cta h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta p {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.95;
}

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

.cta .btn-primary:hover {
    background-color: var(--background-gray);
    transform: translateY(-2px);
}

.footer {
    background-color: var(--text-primary);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.footer-brand p {
    color: #D1D5DB;
    font-size: 14px;
}

.footer-links h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: white;
}

.footer-links a {
    display: block;
    color: #D1D5DB;
    text-decoration: none;
    margin-bottom: 10px;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: #9CA3AF;
    font-size: 14px;
}

.legal-page {
    padding: 60px 0;
    min-height: calc(100vh - 200px);
}

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

.legal-content h1 {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.last-updated, .subtitle {
    color: var(--text-light);
    margin-bottom: 32px;
    font-size: 14px;
}

.subtitle {
    font-size: 18px;
    color: var(--text-secondary);
}

.legal-section {
    margin-bottom: 48px;
}

.legal-section h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    margin-top: 32px;
}

.legal-section h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    margin-top: 24px;
}

.legal-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.legal-section ul, .legal-section ol {
    margin-left: 24px;
    margin-bottom: 16px;
}

.legal-section li {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 8px;
}

.legal-section strong {
    color: var(--text-primary);
    font-weight: 600;
}

.legal-section a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.legal-section a:hover {
    text-decoration: underline;
}

.disclaimer-box {
    background-color: #FEF3C7;
    border-left: 4px solid #F59E0B;
    padding: 20px 24px;
    border-radius: 8px;
    margin: 24px 0;
}

.disclaimer-box.important {
    background-color: #FEE2E2;
    border-left-color: #DC2626;
}

.disclaimer-box h3 {
    color: var(--text-primary);
    margin-bottom: 12px;
}

.disclaimer-box p, .disclaimer-box ul {
    color: var(--text-primary);
}

.data-card, .sharing-card, .alternative-card {
    background-color: var(--background-gray);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.data-card h3, .sharing-card h3, .alternative-card h3 {
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.data-card p, .sharing-card p, .alternative-card p {
    margin-bottom: 8px;
}

.sharing-card.important {
    background-color: #DCFCE7;
    border-color: var(--primary-color);
}

.safety-feature {
    margin-bottom: 32px;
}

.safety-feature h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.warning-box {
    background-color: #FEF3C7;
    border: 2px solid #F59E0B;
    padding: 20px;
    border-radius: 12px;
    margin: 24px 0;
}

.warning-box p {
    color: var(--text-primary);
}

.step-card {
    display: flex;
    gap: 20px;
    background-color: var(--background-gray);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
}

.step-number {
    width: 48px;
    height: 48px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    margin-top: 0;
}

.timeline-item {
    margin-bottom: 32px;
    padding-left: 24px;
    border-left: 3px solid var(--primary-color);
}

.timeline-item h3 {
    margin-top: 0;
}

.contact-box {
    background-color: var(--background-gray);
    padding: 24px;
    border-radius: 12px;
    margin: 20px 0;
}

.final-note {
    background-color: var(--background-gray);
    padding: 24px;
    border-radius: 12px;
    text-align: center;
    margin-top: 32px;
}

.final-note p {
    color: var(--text-primary);
    font-weight: 500;
}

@media (max-width: 768px) {
    .nav-links {
        gap: 16px;
    }

    .nav-links a {
        font-size: 14px;
    }

    .btn-nav {
        padding: 6px 16px;
        font-size: 14px;
    }

    .logo-img {
        width: 32px;
        height: 32px;
    }

    .hero {
        padding: 60px 0 80px;
    }

    .hero-logo-img {
        width: 80px;
        height: 80px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-stats {
        gap: 32px;
    }

    .stat-number {
        font-size: 24px;
    }

    .stat-label {
        font-size: 12px;
    }

    .floating-icon {
        font-size: 24px;
    }

    .btn-primary {
        padding: 14px 24px;
        font-size: 15px;
    }

    .section-title {
        font-size: 32px;
        margin-bottom: 40px;
    }

    .features {
        padding: 60px 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .screenshots {
        padding: 60px 0;
    }

    .section-subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .carousel-track {
        padding: 0 calc(50% - 150px);
    }

    .screenshot-item {
        width: 300px;
    }

    .cta {
        padding: 60px 0;
    }

    .cta h2 {
        font-size: 32px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .legal-content h1 {
        font-size: 32px;
    }

    .legal-section h2 {
        font-size: 24px;
    }

    .legal-section h3 {
        font-size: 18px;
    }

    .step-card {
        flex-direction: column;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .logo-img {
        width: 28px;
        height: 28px;
    }

    .logo-text {
        font-size: 20px;
    }

    .hero-logo-img {
        width: 70px;
        height: 70px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 15px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .stat-item {
        flex-direction: row;
        gap: 12px;
    }

    .stat-number {
        font-size: 20px;
    }

    .floating-icon {
        font-size: 20px;
        opacity: 0.1;
    }

    .section-subtitle {
        font-size: 15px;
        padding: 0 16px;
    }

    .carousel-track {
        padding: 0 20px;
        gap: 16px;
    }

    .screenshot-item {
        width: 280px;
    }

    .screenshot-label {
        font-size: 14px;
    }

    .nav-links a:not(.btn-nav) {
        display: none;
    }

    .btn-primary {
        width: 100%;
        justify-content: center;
    }
}