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

:root {
    --primary-red: #dc2626;
    --dark-red: #b91c1c;
    --light-red: #fecaca;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-600: #4b5563;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-red);
}

.nav-logo {
    width: 2rem;
    height: 2rem;
    object-fit: contain;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero-logo {
    width: 4rem;
    height: 4rem;
    object-fit: contain;
    margin-right: 1rem;
}

.subtitle {
    display: block;
    font-size: 2rem;
    color: var(--primary-red);
    margin-top: 0.5rem;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.security-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--light-red);
    color: var(--dark-red);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    margin-bottom: 2rem;
    border: 2px solid var(--primary-red);
}

.security-badge i {
    font-size: 1.1rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

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

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

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

/* Hero Visual */
.hero-visual {
    margin-top: 4rem;
}

.extension-preview {
    max-width: 600px;
    margin: 0 auto;
}

.gmail-mockup {
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.gmail-header {
    background: var(--primary-red);
    color: var(--white);
    padding: 1rem;
    font-weight: 600;
    text-align: center;
}

.email-item {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    position: relative;
}

.sender {
    font-weight: 600;
    color: var(--gray-600);
    font-size: 0.9rem;
}

.email-content p {
    margin-top: 0.5rem;
    color: var(--gray-800);
}

.otp-code {
    background: var(--light-red);
    color: var(--dark-red);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-weight: 700;
    border: 1px solid var(--primary-red);
}

.extract-indicator {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary-red);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* Sections */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.section-title i {
    color: var(--primary-red);
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    text-align: center;
    transition: all 0.3s ease;
}

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

.feature-icon {
    width: 4rem;
    height: 4rem;
    background: var(--light-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    border: 3px solid var(--primary-red);
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--primary-red);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Security Section */
.security {
    padding: 5rem 0;
    background: var(--gray-50);
}

.security-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.security-features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.security-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.security-item i {
    font-size: 1.5rem;
    color: var(--primary-red);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.security-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.security-item p {
    color: var(--gray-600);
    line-height: 1.6;
}

.security-visual {
    display: flex;
    justify-content: center;
}

.security-shield {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: var(--shadow-xl);
    position: relative;
    flex-shrink: 0;
    aspect-ratio: 1;
}

.security-shield::before {
    content: '';
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--light-red), var(--primary-red));
    z-index: -1;
    aspect-ratio: 1;
}

.security-shield i {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.shield-main {
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.shield-sub {
    font-size: 0.8rem;
    opacity: 0.95;
    line-height: 1;
    text-align: center;
}

/* App Functionality Section */
.app-functionality {
    background: var(--gray-50);
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
    border-left: 4px solid var(--primary-red);
}

.app-functionality h3 {
    color: var(--gray-900);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.app-functionality ul {
    list-style: none;
    padding: 0;
}

.app-functionality li {
    margin-bottom: 0.75rem;
    color: var(--gray-700);
    line-height: 1.6;
}

.app-functionality li strong {
    color: var(--primary-red);
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background: var(--gray-50);
}

.contact-simple {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}

.contact-email-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    border: 2px solid var(--primary-red);
    display: flex;
    align-items: center;
    gap: 2rem;
    max-width: 500px;
    text-align: center;
    transition: all 0.3s ease;
}

.contact-email-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.contact-email-card i {
    color: var(--primary-red);
    font-size: 3rem;
    flex-shrink: 0;
}

.contact-email-content h3 {
    color: var(--gray-900);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.contact-email-content p {
    color: var(--gray-600);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.contact-email-link {
    color: var(--primary-red);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--primary-red);
    border-radius: 8px;
    display: inline-block;
    transition: all 0.3s ease;
}

.contact-email-link:hover {
    background: var(--primary-red);
    color: var(--white);
}

/* Download Section */
.download {
    padding: 5rem 0;
    background: var(--white);
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.download-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    border: 2px solid var(--primary-red);
    text-align: center;
}

.browser-icon {
    width: 5rem;
    height: 5rem;
    background: var(--light-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    border: 3px solid var(--primary-red);
}

.browser-icon i {
    font-size: 2.5rem;
    color: var(--primary-red);
}

.download-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.download-card p {
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.install-steps {
    list-style: none;
    counter-reset: step-counter;
}

.install-steps li {
    counter-increment: step-counter;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.install-steps li::before {
    content: counter(step-counter);
    background: var(--primary-red);
    color: var(--white);
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.install-steps li i {
    color: var(--primary-red);
    margin-right: 0.5rem;
}

.install-steps li span {
    color: var(--gray-700);
    font-weight: 500;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.footer-logo {
    width: 1.5rem;
    height: 1.5rem;
    object-fit: contain;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--gray-200);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-security {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-200);
    font-size: 0.9rem;
}

.footer-security i {
    color: var(--primary-red);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-600);
    color: var(--gray-200);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .security-content,
    .download-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .section-title {
        font-size: 2rem;
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* Privacy Page Styles */
.privacy-page {
    padding-top: 6rem;
    min-height: 100vh;
    background: var(--gray-50);
}

.privacy-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.privacy-header {
    background: linear-gradient(135deg, var(--primary-red), var(--dark-red));
    color: var(--white);
    padding: 3rem 2rem;
    text-align: center;
}

.privacy-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.privacy-header i {
    font-size: 2.5rem;
}

.last-updated {
    font-size: 1.1rem;
    opacity: 0.9;
}

.privacy-section {
    padding: 2rem;
    border-bottom: 1px solid var(--gray-200);
}

.privacy-section:last-of-type {
    border-bottom: none;
}

.privacy-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.privacy-section h2 i {
    color: var(--primary-red);
    font-size: 1.25rem;
}

.privacy-section p {
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.highlight-box {
    background: var(--light-red);
    border: 2px solid var(--primary-red);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.highlight-box i {
    color: var(--primary-red);
    font-size: 1.25rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.highlight-box div {
    color: var(--dark-red);
    font-weight: 500;
}

.neutral-info-box {
    background: var(--gray-100);
    border: 2px solid var(--gray-300);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.neutral-info-box i {
    color: var(--gray-600);
    font-size: 1.25rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.neutral-info-box div {
    color: var(--gray-800);
    font-weight: 500;
}

.data-list {
    list-style: none;
    padding: 0;
}

.data-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: 8px;
    border-left: 4px solid var(--primary-red);
}

.data-list li i {
    color: var(--primary-red);
    font-size: 1.1rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.data-list li div {
    color: var(--gray-700);
    line-height: 1.6;
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--gray-50);
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.contact-info i {
    color: var(--primary-red);
    font-size: 1.1rem;
}

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

.contact-info a:hover {
    text-decoration: underline;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.contact-info-grid .contact-info {
    background: var(--gray-50);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-red);
}

.back-to-home {
    padding: 2rem;
    text-align: center;
    background: var(--gray-50);
}

.nav-links a.active {
    color: var(--primary-red);
    font-weight: 600;
}

/* Privacy Page Responsive */
@media (max-width: 768px) {
    .privacy-header h1 {
        font-size: 2rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .privacy-header i {
        font-size: 2rem;
    }
    
    .privacy-section {
        padding: 1.5rem;
    }
    
    .privacy-section h2 {
        font-size: 1.25rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .data-list li {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .highlight-box {
        flex-direction: column;
        gap: 0.75rem;
    }
}

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

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

.feature-card,
.security-item,
.download-card {
    animation: fadeInUp 0.6s ease-out;
}