/* Google Chrome Download Page Styles */

/* CSS Variables */
:root {
    --primary-color: #4285F4;
    --secondary-color: #34A853;
    --accent-color: #EA4335;
    --warning-color: #FBBC05;
    --dark-color: #202124;
    --light-color: #f8f9fa;
    --gray-color: #5f6368;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --border-radius: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
}

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

/* Typography */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    color: #202124;
}

.logo:hover {
    color: #4285F4;
}

.logo-img {
    width: 28px;
    height: 28px;
    object-fit: contain;
    flex-shrink: 0;
}

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

.nav-links a {
    font-weight: 500;
    color: var(--gray-color);
    transition: var(--transition);
    padding: 8px 12px;
    border-radius: 6px;
}

.nav-links a:hover {
    color: var(--primary-color);
    background: rgba(66, 133, 244, 0.1);
}

/* Hero Section */
.hero {
    background: #ffffff;
    padding: 60px 0 80px;
    text-align: center;
    position: relative;
    border-bottom: 1px solid #e8eaed;
}

.hero-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 60px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.hero-text {
    text-align: left;
}

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-logo {
    width: 180px;
    height: 180px;
    filter: drop-shadow(0 15px 35px rgba(66, 133, 244, 0.4));
    animation: float 3s ease-in-out infinite;
}

.hero h1 {
    font-size: 2.5rem;
    color: #202124;
    margin-bottom: 10px;
    position: relative;
}

.hero .subtitle {
    font-size: 1.2rem;
    color: #5f6368;
    margin-bottom: 15px;
    position: relative;
}

.hero-stats {
    color: #5f6368;
    font-size: 1rem;
}

.hero-stats strong {
    color: #4285F4;
}

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

/* Download Box */
.download-box {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.platform-select {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
}

.platform-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    background: var(--white);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-color);
    transition: var(--transition);
}

.platform-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.platform-btn.active {
    border-color: var(--primary-color);
    background: rgba(66, 133, 244, 0.1);
    color: var(--primary-color);
}

.platform-btn svg {
    width: 20px;
    height: 20px;
}

.download-info {
    text-align: center;
    margin-bottom: 25px;
}

.version-info {
    font-size: 1.1rem;
    color: var(--dark-color);
    margin-bottom: 5px;
}

.version-info span {
    font-weight: 700;
    color: var(--primary-color);
}

.release-date {
    font-size: 0.9rem;
    color: var(--gray-color);
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 18px 32px;
    background: linear-gradient(135deg, var(--primary-color), #2b6de8);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(66, 133, 244, 0.4);
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(66, 133, 244, 0.5);
    background: linear-gradient(135deg, #2b6de8, var(--primary-color));
}

.download-btn:active {
    transform: translateY(0);
}

.download-btn svg {
    width: 24px;
    height: 24px;
}

.download-note {
    text-align: center;
    margin-top: 15px;
    font-size: 0.9rem;
    color: var(--gray-color);
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--light-color);
}

.features h2 {
    text-align: center;
    font-size: 2.2rem;
    color: var(--dark-color);
    margin-bottom: 50px;
}

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

.feature-card {
    background: var(--white);
    padding: 35px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon img {
    width: 56px;
    height: 56px;
    object-fit: contain;
    filter: invert(27%) sepia(51%) saturate(2878%) hue-rotate(130deg) brightness(104%) contrast(97%);
}

.feature-card h3 {
    font-size: 1.3rem;
    color: var(--dark-color);
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--gray-color);
    line-height: 1.7;
}

/* System Requirements */
.system-requirements {
    padding: 80px 0;
    background: var(--white);
}

.system-requirements h2 {
    text-align: center;
    font-size: 2.2rem;
    color: var(--dark-color);
    margin-bottom: 50px;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.requirement-card {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 30px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.requirement-card h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.requirement-card ul li {
    padding: 10px 0;
    color: var(--gray-color);
    border-bottom: 1px solid #e0e0e0;
}

.requirement-card ul li:last-child {
    border-bottom: none;
}

.requirement-card ul li::before {
    content: '✓';
    color: var(--secondary-color);
    margin-right: 10px;
    font-weight: bold;
}

/* FAQ Section */
.faq {
    padding: 80px 0;
    background: var(--light-color);
}

.faq h2 {
    text-align: center;
    font-size: 2.2rem;
    color: var(--dark-color);
    margin-bottom: 50px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 30px;
}

.faq-item {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.faq-item h3 {
    font-size: 1.1rem;
    color: var(--dark-color);
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-color);
}

.faq-item p {
    color: var(--gray-color);
    line-height: 1.7;
}

/* CTA Section */
.cta {
    padding: 60px 0;
    background: #f8f9fa;
    text-align: center;
    border-top: 1px solid #e8eaed;
}

.cta-wrapper {
    display: flex;
    justify-content: center;
}

.cta-text {
    text-align: center;
}

.cta h2 {
    font-size: 2rem;
    color: #202124;
    margin-bottom: 15px;
}

.cta p {
    font-size: 1.1rem;
    color: #5f6368;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    padding: 16px 40px;
    background: var(--white);
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 30px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
}

/* Footer */
footer {
    background: var(--dark-color);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 20px;
}

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

.footer-section h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 15px;
    }

    .nav-links {
        gap: 15px;
    }

    .hero-wrapper {
        flex-direction: column;
        text-align: center;
    }

    .hero-text {
        text-align: center;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero .subtitle {
        font-size: 1rem;
    }

    .hero-visual {
        display: none;
    }

    .download-box {
        padding: 25px;
        margin: 0 15px;
    }

    .platform-select {
        flex-direction: column;
    }

    .platform-btn {
        justify-content: center;
    }

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

    .faq-grid {
        grid-template-columns: 1fr;
    }

    .requirements-grid {
        grid-template-columns: 1fr;
    }

    .cta-wrapper {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.7rem;
    }

    .download-btn {
        font-size: 1rem;
        padding: 15px 24px;
    }

    .feature-card {
        padding: 25px;
    }

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

/* Smooth Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2b6de8;
}

/* Selection */
::selection {
    background: var(--primary-color);
    color: var(--white);
}