/* iOS-Native Design System */
:root {
    --ios-blue: #007AFF;
    --ios-purple: #AF52DE;
    --ios-green: #34C759;
    --ios-orange: #FF9500;
    --ios-red: #FF3B30;
    --ios-background: #000000;
    --ios-secondary-bg: #1C1C1E;
    --ios-tertiary-bg: #2C2C2E;
    --ios-text-primary: #FFFFFF;
    --ios-text-secondary: #8E8E93;
    --ios-separator: #38383A;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--ios-background);
    color: var(--ios-text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 0.5px solid var(--ios-separator);
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-image {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    color: var(--ios-text-primary);
}

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

.nav-links a {
    color: var(--ios-text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: opacity 0.2s;
}

.nav-links a:hover {
    opacity: 0.7;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    background: linear-gradient(180deg, var(--ios-background) 0%, var(--ios-secondary-bg) 100%);
}

.hero-content {
    max-width: 800px;
    margin-top: 4rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: -2px;
    margin-bottom: 1.5rem;
    color: var(--ios-text-primary);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--ios-text-secondary);
    margin-bottom: 3rem;
    line-height: 1.5;
}

.download-button {
    display: inline-block;
    background-color: #000000;
    color: white;
    padding: 0;
    border-radius: 10px;
    text-decoration: none;
    transition: opacity 0.2s;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.download-button:hover {
    opacity: 0.8;
}

.download-button img {
    display: block;
    height: 54px;
    width: auto;
}

/* Screenshots Section */
.screenshots {
    padding: 6rem 2rem;
    background-color: var(--ios-secondary-bg);
}

.screenshots-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
}

.screenshot-card {
    text-align: center;
}

.screenshot-card img {
    width: 100%;
    max-width: 300px;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    margin-bottom: 1.5rem;
    transition: transform 0.3s;
}

.screenshot-card img:hover {
    transform: scale(1.05);
}

.screenshot-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.screenshot-card p {
    color: var(--ios-text-secondary);
    font-size: 1rem;
}

/* Features Section */
.features {
    padding: 6rem 2rem;
    background-color: var(--ios-background);
}

.features-content {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 4rem;
    letter-spacing: -1px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}

.feature-item {
    background-color: var(--ios-secondary-bg);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--ios-separator);
    transition: transform 0.2s, border-color 0.2s;
}

.feature-item:hover {
    transform: translateY(-5px);
    border-color: var(--ios-blue);
}

.feature-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 1.5rem;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

/* Individual feature icon colors */
.feature-item:nth-child(1) .feature-icon {
    color: var(--ios-blue);
}

.feature-item:nth-child(2) .feature-icon {
    color: var(--ios-orange);
}

.feature-item:nth-child(3) .feature-icon {
    color: var(--ios-green);
}

.feature-item:nth-child(4) .feature-icon {
    color: var(--ios-purple);
}

.feature-item:nth-child(5) .feature-icon {
    color: var(--ios-red);
}

.feature-item:nth-child(6) .feature-icon {
    color: var(--ios-blue);
}

.feature-item h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-item p {
    color: var(--ios-text-secondary);
    line-height: 1.7;
}

/* Privacy Banner */
.privacy-banner {
    padding: 5rem 2rem;
    background: linear-gradient(135deg, var(--ios-blue), var(--ios-purple));
    text-align: center;
}

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

.privacy-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.privacy-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.privacy-link {
    color: white;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    padding: 1rem 2rem;
    border: 2px solid white;
    border-radius: 12px;
    display: inline-block;
    transition: background-color 0.2s;
}

.privacy-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Footer */
.footer {
    padding: 3rem 2rem;
    background-color: var(--ios-secondary-bg);
    border-top: 0.5px solid var(--ios-separator);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: var(--ios-text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-copyright {
    color: var(--ios-text-secondary);
    font-size: 0.9rem;
}

/* Privacy & Support Pages */
.page-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 8rem 2rem 4rem;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.page-subtitle {
    color: var(--ios-text-secondary);
    font-size: 1.25rem;
    margin-bottom: 3rem;
}

.content-section {
    margin-bottom: 3rem;
}

.content-section h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    margin-top: 2rem;
}

.content-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    margin-top: 1.5rem;
}

.content-section p,
.content-section li {
    color: var(--ios-text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.content-section ul {
    margin-left: 2rem;
}

.content-section a {
    color: var(--ios-blue);
    text-decoration: none;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .nav-links a {
        font-size: 0.85rem;
    }

    .screenshots-container {
        grid-template-columns: 1fr;
    }

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