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

:root {
    --primary-purple: #2E1862;
    --primary-white: #FFFFFF;
    --primary-green: #419C48;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --background-light: #f8f9fa;
    --border-color: #e9ecef;
    --shadow: 0 4px 6px rgba(46, 24, 98, 0.1);
    --shadow-hover: 0 8px 25px rgba(46, 24, 98, 0.15);
    --gradient-primary: linear-gradient(135deg, #2E1862 0%, #419C48 100%);
    --gradient-secondary: linear-gradient(135deg, #419C48 0%, #2E1862 100%);
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    gap: 8px;
}

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

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

.btn-secondary {
    background: var(--primary-white);
    color: var(--primary-purple);
    border: 2px solid var(--primary-purple);
}

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

.btn-outline {
    background: transparent;
    color: var(--primary-purple);
    border: 2px solid var(--primary-purple);
}

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.125rem;
}

/* Header */
.header {
    background: var(--primary-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-purple);
}

/* Navigation */
.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link:hover {
    color: var(--primary-purple);
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--primary-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    list-style: none;
    padding: 0.5rem 0;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-dark);
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.dropdown-menu li a:hover {
    background-color: var(--background-light);
    color: var(--primary-purple);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.language-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.875rem;
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--primary-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    list-style: none;
    padding: 0.5rem 0;
    z-index: 1000;
}

.language-selector:hover .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown li a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 0.875rem;
    transition: background-color 0.3s ease;
}

.lang-dropdown li a:hover,
.lang-dropdown li a.active {
    background-color: var(--background-light);
    color: var(--primary-purple);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-dark);
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: var(--gradient-primary);
    color: var(--primary-white);
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.ratings {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.rating {
    display: flex;
    align-items: center;
    gap: 8px;
}

.stars {
    display: flex;
    gap: 2px;
}

.stars i {
    color: #FFD700;
    font-size: 0.875rem;
}

.rating-text {
    font-size: 0.875rem;
    opacity: 0.9;
}

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

.banner-container {
    position: relative;
    max-width: 500px;
}

.hero-banner {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.banner-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    background: var(--primary-green);
    border-radius: 50%;
    opacity: 0.2;
    z-index: -1;
}

/* Hero Buttons */
.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

/* Browser Features Section */
.browser-features {
    padding: 6rem 0;
    background: var(--primary-white);
}

/* VPN Section */
.vpn-section {
    padding: 6rem 0;
    background: var(--background-light);
}

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

.vpn-visual img {
    width: 100%;
    height: auto;
    border-radius: 12px;
}

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

.vpn-feature {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.vpn-feature .feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-white);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.vpn-feature .feature-content h3 {
    color: var(--primary-purple);
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

/* Content Section */
.content-section {
    padding: 6rem 0;
    background: var(--primary-white);
}

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

.content-card {
    background: var(--background-light);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    border: 2px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.content-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--primary-white);
    font-size: 2rem;
}

.content-card h3 {
    color: var(--primary-purple);
    margin-bottom: 1rem;
}

/* Privacy Features Section */
.privacy-features {
    padding: 6rem 0;
    background: var(--background-light);
}

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

.privacy-card {
    background: var(--primary-white);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.privacy-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.privacy-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--primary-white);
    font-size: 2rem;
}

.privacy-card h3 {
    color: var(--primary-purple);
    margin-bottom: 1rem;
}

/* Premium Note */
.premium-note {
    text-align: center;
    color: var(--text-light);
    font-size: 0.875rem;
    margin-top: 1rem;
}

/* Download Section */
.download-section {
    padding: 6rem 0;
    background: var(--primary-white);
}

.download-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.download-card {
    background: var(--background-light);
    padding: 3rem 2rem;
    border-radius: 16px;
    text-align: center;
    border: 2px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.platform-icon {
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    color: var(--primary-white);
    font-size: 3rem;
}

.download-card h3 {
    color: var(--primary-purple);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.download-card p {
    margin-bottom: 2rem;
    color: var(--text-light);
}

.download-card .rating {
    margin-top: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Technical Features Section */
.technical-features {
    padding: 6rem 0;
    background: var(--background-light);
}

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

.technical-card {
    background: var(--primary-white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.technical-card h3 {
    color: var(--primary-purple);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.technical-card ul {
    list-style: none;
    padding: 0;
}

.technical-card li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-light);
}

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

    .technical-card strong {
        color: var(--primary-purple);
    }

/* Modal Styles */
.download-modal,
.premium-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: var(--primary-white);
    border-radius: 16px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-hover);
    animation: slideUp 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    color: var(--primary-purple);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-light);
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.modal-close:hover {
    background: var(--background-light);
    color: var(--primary-purple);
}

.modal-body {
    padding: 2rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: center;
}

.premium-benefits {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--background-light);
    border-radius: 8px;
}

.benefit-item i {
    color: var(--primary-green);
    font-size: 1.25rem;
    width: 24px;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* About Page Styles */
.about-hero {
    background: var(--gradient-primary);
    color: var(--primary-white);
    padding: 4rem 0;
    text-align: center;
}

.about-hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.about-hero-content p {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.about-nav {
    background: var(--primary-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 80px;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.about-nav-menu {
    display: flex;
    gap: 2rem;
    padding: 1rem 0;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.about-nav-menu::-webkit-scrollbar {
    display: none;
}

.about-nav-menu .nav-item {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    white-space: nowrap;
    border: 2px solid transparent;
}

.about-nav-menu .nav-item:hover,
.about-nav-menu .nav-item.active {
    background: var(--background-light);
    color: var(--primary-purple);
    border-color: var(--primary-purple);
}

.about-nav-menu .nav-item.active {
    background: var(--gradient-primary);
    color: var(--primary-white);
    border-color: var(--primary-purple);
}

.about-content {
    padding: 4rem 0;
    background: var(--background-light);
}

.content-section {
    background: var(--primary-white);
    margin-bottom: 3rem;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.content-section:last-child {
    margin-bottom: 0;
}

.content-section h2 {
    color: var(--primary-purple);
    font-size: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.content-text p {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.content-text ul {
    list-style: none;
    padding: 0;
}

.content-text li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-light);
    line-height: 1.6;
    position: relative;
    padding-left: 1.5rem;
}

.content-text li:last-child {
    border-bottom: none;
}

.content-text li::before {
    content: "•";
    color: var(--primary-green);
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 1rem;
}

/* Logo link styling */
.logo a {
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Active navigation state */
.nav-link.active {
    color: var(--primary-purple);
    font-weight: 600;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    color: var(--primary-purple);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Privacy Features Section */
.privacy-features {
    padding: 6rem 0;
    background: var(--primary-white);
}

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

.feature-card {
    background: var(--primary-white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--primary-white);
    font-size: 2rem;
}

.feature-card h3 {
    color: var(--primary-purple);
    margin-bottom: 1rem;
}



/* Premium Features Section */
.premium-features {
    padding: 6rem 0;
    background: var(--primary-white);
}

.premium-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.premium-category {
    background: var(--background-light);
    padding: 2rem;
    border-radius: 16px;
    border: 2px solid var(--border-color);
}

.premium-category h3 {
    color: var(--primary-purple);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.premium-features-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.premium-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.75rem;
    background: var(--primary-white);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.premium-feature i {
    color: var(--primary-green);
    font-size: 1.25rem;
    width: 24px;
}

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



/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .vpn-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .vpn-feature {
        flex-direction: column;
        text-align: center;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .privacy-grid {
        grid-template-columns: 1fr;
    }
    
    .premium-grid {
        grid-template-columns: 1fr;
    }
    
    .download-content {
        grid-template-columns: 1fr;
    }
    
    .technical-grid {
        grid-template-columns: 1fr;
    }
    
    /* About page responsive */
    .about-hero-content h1 {
        font-size: 2.5rem;
    }
    
    .about-nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .about-nav-menu .nav-item {
        text-align: center;
        padding: 1rem;
    }
    
    .content-section {
        padding: 2rem;
        margin-bottom: 2rem;
    }
    
    .content-section h2 {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .btn-large {
        padding: 14px 24px;
        font-size: 1rem;
    }
    
    .ratings {
        flex-direction: column;
        gap: 1rem;
    }
}