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

:root {
    /* LNVPN Minimalist Colors */
    --primary-color: #000000;
    --primary-dark: #1A1A1A;
    --secondary-color: #4A4A4A;
    --background: #FAF9F6;
    --card-bg: #FFFFFF;
    --secondary-bg: #F5F4F1;
    --icon-bg: #EFF0EB;
    --text-primary: #000000;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --divider: #E5E5E5;
    --shadow: rgba(0, 0, 0, 0.06);
    
    /* Status Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
    --accent-yellow: #FBBF24;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Header - Clean LNVPN style */
header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--divider);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: -0.02em;
}

.logo-image {
    display: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s;
}

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

/* Hero Section - Minimalist */
.hero {
    padding: 80px 0;
    background: var(--primary-color);
    color: white;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 32px;
    opacity: 0.95;
    line-height: 1.6;
}

.app-store-button {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 16px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: transform 0.2s, opacity 0.2s;
}

.app-store-button:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.app-store-button img {
    height: 50px;
    vertical-align: middle;
}

.hero-image {
    display: flex;
    justify-content: center;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: white;
    border-radius: 40px;
    border: 1px solid var(--divider);
    padding: 12px;
    box-shadow: 0 8px 24px var(--shadow);
    position: relative;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--icon-bg);
    border-radius: 32px;
    object-fit: cover;
}

/* Features Section */
.features {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--card-bg);
    padding: 40px 32px;
    border-radius: 12px;
    border: 1px solid var(--divider);
    box-shadow: 0 2px 8px var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px var(--shadow);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--icon-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary-color);
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

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

/* About Section */
.about {
    padding: 100px 0;
    background: var(--card-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-top: 40px;
}

.about-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-text ul {
    list-style-position: inside;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.about-text li {
    margin-bottom: 12px;
    padding-left: 8px;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.stat {
    background: var(--background);
    padding: 32px;
    border-radius: 20px;
    text-align: center;
}

.stat h3 {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat p {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Screenshots Section */
.screenshots {
    padding: 100px 0;
    background: var(--background);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-top: 40px;
}

.screenshot-item {
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--divider);
    padding: 16px;
    box-shadow: 0 2px 8px var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.screenshot-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px var(--shadow);
}

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

/* CTA Section - Minimalist */
.cta {
    padding: 100px 0;
    background: var(--primary-color);
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 42px;
    margin-bottom: 16px;
}

.cta p {
    font-size: 20px;
    margin-bottom: 32px;
    opacity: 0.95;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 20px;
    margin-bottom: 16px;
}

.footer-section h4 {
    font-size: 16px;
    margin-bottom: 16px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

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

.footer-section li {
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

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

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
}

/* Legal Pages */
.legal-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 80px 24px;
}

.legal-header {
    text-align: center;
    margin-bottom: 60px;
}

.legal-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.legal-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.legal-page h1 {
    font-size: 42px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.legal-page .last-updated {
    color: var(--text-secondary);
    font-size: 14px;
}

.legal-section {
    background: var(--card-bg);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--divider);
    margin-bottom: 24px;
    box-shadow: 0 2px 8px var(--shadow);
}

.legal-section h2 {
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.legal-section p,
.legal-section li {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 12px;
}

.legal-section ul {
    padding-left: 20px;
}

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

/* Responsive */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .hero-subtitle {
        font-size: 18px;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .nav-links {
        gap: 20px;
        font-size: 14px;
    }

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

@media (max-width: 640px) {
    .hero-title {
        font-size: 28px;
    }

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

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

    .screenshots-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .phone-mockup {
        width: 240px;
        height: 480px;
    }

    .nav-links {
        display: none;
    }

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

    .cta h2 {
        font-size: 28px;
    }
}