/* ClearKit - Responsive Stylesheet */
/* Mobile-first approach */

/* ==================== Base Mobile (< 640px) ==================== */

/* Navigation Mobile */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: var(--spacing-2xl);
        gap: var(--spacing-md);
        background: var(--color-bg);
        transform: translateX(100%);
        opacity: 0;
        pointer-events: none;
    }

    .nav-menu.active {
        transform: translateX(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-link {
        font-size: var(--font-size-lg);
        padding: var(--spacing-md);
    }

    .nav-cta {
        margin-top: var(--spacing-md);
    }

    .nav-toggle {
        display: flex;
    }
}

/* Hero Mobile */
@media (max-width: 640px) {
    .hero {
        padding: calc(var(--nav-height) + var(--spacing-xl)) var(--spacing-md) var(--spacing-xl);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-mockup {
        margin-top: var(--spacing-xl);
    }

    .mockup-dashboard {
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }

    .stat-ring {
        width: 60px;
        height: 60px;
    }

    .mockup-actions {
        flex-direction: column;
    }

    .mockup-btn {
        width: 100%;
    }
}

/* Features Mobile */
@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .section-subtitle {
        font-size: var(--font-size-base);
    }
}

/* Platforms Mobile */
@media (max-width: 640px) {
    .platforms-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .platform-card {
        padding: var(--spacing-lg);
    }
}

/* Privacy Mobile */
@media (max-width: 640px) {
    .privacy-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .privacy-text .section-title,
    .privacy-text .section-subtitle {
        text-align: center;
    }

    .privacy-list {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .privacy-visual {
        order: -1;
    }

    .shield-icon svg {
        width: 80px;
        height: 80px;
    }
}

/* CTA Mobile */
@media (max-width: 640px) {
    .cta-title {
        font-size: var(--font-size-2xl);
    }

    .btn-large {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: var(--font-size-base);
    }
}

/* Footer Mobile */
@media (max-width: 640px) {
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-xl);
    }

    .footer-brand {
        text-align: center;
    }

    .footer-links {
        justify-content: center;
        gap: var(--spacing-2xl);
    }

    .footer-column {
        text-align: center;
    }
}

/* ==================== Tablet (641px - 1024px) ==================== */

@media (min-width: 641px) and (max-width: 1024px) {
    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .privacy-content {
        gap: var(--spacing-2xl);
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }
}

/* ==================== Desktop (> 1024px) ==================== */

@media (min-width: 1025px) {
    .container {
        padding: 0 var(--spacing-2xl);
    }

    .hero {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
        gap: var(--spacing-3xl);
    }

    .hero-content {
        flex: 1;
        max-width: 550px;
        margin-bottom: 0;
    }

    .hero-actions {
        justify-content: flex-start;
    }

    .hero-mockup {
        flex: 1;
        max-width: 600px;
    }
}

/* ==================== Large Desktop (> 1440px) ==================== */

@media (min-width: 1441px) {
    :root {
        --container-max: 1400px;
    }

    .hero-title {
        font-size: var(--font-size-6xl);
    }

    .section-title {
        font-size: var(--font-size-5xl);
    }
}

/* ==================== Print Styles ==================== */

@media print {
    .nav,
    .hero-bg,
    .hero-mockup,
    .cta,
    .footer {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .hero {
        min-height: auto;
        padding: 20px;
    }

    .section-title,
    .hero-title {
        color: black;
        -webkit-text-fill-color: black;
    }

    .feature-card,
    .platform-card {
        border: 1px solid #ddd;
        break-inside: avoid;
    }
}

/* ==================== High DPI Screens ==================== */

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Ensure crisp rendering on retina displays */
    .logo-icon,
    .feature-icon svg,
    .platform-icon svg {
        image-rendering: -webkit-optimize-contrast;
    }
}

/* ==================== Landscape Mobile ==================== */

@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .hero-content {
        margin-bottom: var(--spacing-lg);
    }

    .nav-menu {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        padding-top: var(--spacing-lg);
    }
}

/* ==================== Accessibility: High Contrast ==================== */

@media (prefers-contrast: high) {
    :root {
        --color-border: var(--color-gray-600);
        --glass-border: var(--color-gray-600);
    }

    .btn-primary,
    .nav-cta {
        border: 2px solid var(--color-white);
    }

    .feature-card,
    .platform-card {
        border-width: 2px;
    }
}

/* ==================== Touch Devices ==================== */

@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets */
    .btn {
        min-height: 48px;
        padding: var(--spacing-md) var(--spacing-xl);
    }

    .nav-link {
        padding: var(--spacing-md);
    }

    /* Remove hover effects on touch */
    .feature-card:hover,
    .platform-card:hover,
    .btn:hover {
        transform: none;
    }
}