/* Responsive Design - Mobile First Approach */

/* Large Tablet (max-width: 1024px) */
@media (max-width: 1024px) {
    :root {
        --font-size-3xl: 40px;
        --font-size-4xl: 48px;
    }
    
    .container {
        max-width: 100%;
    }
    
    /* Hero adjustments */
    .hero-content {
        gap: var(--space-xl);
    }
    
    /* Clients grid */
    .clients-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-lg);
    }
    
    /* Intelligence section */
    .intelligence-grid {
        gap: var(--space-xl);
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }
}

/* Small Tablet / Large Phone (max-width: 640px) */
@media (max-width: 640px) {
    :root {
        --space-sm: 12px;
        --space-md: 16px;
        --space-lg: 20px;
        --space-xl: 28px;
        --space-2xl: 36px;
        --space-3xl: 48px;
    }
    
    .intelligence-grid,
    .beta-pricing-container {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .beta-reasons-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
}

/* Small Tablet and Large Mobile (max-width: 768px) */
@media (max-width: 768px) {
    :root {
        --font-size-base: 15px;
        --font-size-lg: 17px;
        --font-size-xl: 22px;
        --font-size-2xl: 28px;
        --font-size-3xl: 32px;
        --font-size-4xl: 36px;
        --space-md: 16px;
        --space-lg: 20px;
        --space-xl: 32px;
        --space-2xl: 40px;
        --space-3xl: 56px;
    }
    
    /* Header */
    .nav-menu {
        position: fixed;
        top: 75px;
        left: -100%;
        right: 0;
        width: 100%;
        background: var(--bg-white);
        flex-direction: column;
        padding: var(--space-lg);
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-base);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
    }
    
    .nav-menu.active {
        left: 0;
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Violet Intro */
    .violet-intro {
        padding-top: calc(75px + var(--space-lg));
        padding-bottom: var(--space-lg);
    }
    
    .violet-intro-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .intro-header {
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }
    
    .violet-avatar {
        width: 80px;
        height: 80px;
    }
    
    .intro-title {
        font-size: var(--font-size-2xl);
    }
    
    .intro-visual {
        order: 2;
        margin-top: var(--space-lg);
    }
    
    .intro-main {
        order: 1;
    }
    
    /* Hero */
    .hero {
        padding-top: var(--space-lg);
        padding-bottom: var(--space-lg);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-lg);
    }
    
    .hero-title {
        font-size: var(--font-size-xl);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }
    
    .hero-cta .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .trust-indicators {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }
    
    .hero-stats {
        margin-top: var(--space-xl);
    }
    
    /* Clients */
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Features grid */
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    /* Intelligence section */
    .intelligence-grid {
        grid-template-columns: 1fr;
    }
    
    .intelligence-visual {
        margin-top: var(--space-xl);
    }
    
    /* Beta reasons */
    .beta-reasons-grid {
        grid-template-columns: 1fr;
    }
    
    /* Beta pricing */
    .beta-pricing-container {
        grid-template-columns: 1fr;
    }
    
    /* Pricing */
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    /* Form adjustments */
    .form-group {
        flex-direction: column;
    }
    
    .form-input,
    .form-group .btn {
        width: 100%;
    }
    
    /* CTA section */
    .cta-title {
        font-size: var(--font-size-xl);
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

/* Mobile Styles (max-width: 480px) */
@media (max-width: 480px) {
    :root {
        --space-sm: 12px;
        --space-md: 20px;
        --space-lg: 28px;
        --space-xl: 40px;
        --space-2xl: 56px;
        --space-3xl: 80px;
    }
    
    .container {
        padding: 0 var(--space-sm);
    }
    
    /* Typography adjustments */
    h1 {
        font-size: 32px;
    }
    
    h2 {
        font-size: 28px;
    }
    
    h3 {
        font-size: 24px;
    }
    
    /* Buttons */
    .btn {
        padding: 12px 24px;
        font-size: var(--font-size-sm);
    }
    
    /* Hero */
    .hero-title {
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    /* Stats cards */
    .stat-card {
        padding: var(--space-md);
    }
    
    .stat-number {
        font-size: var(--font-size-2xl);
    }
    
    /* Clients */
    .clients {
        padding: var(--space-xl) 0;
    }
    
    .client-logo {
        height: 40px;
    }
    
    /* Section spacing */
    .solutions,
    .intelligence,
    .testimonials,
    .pricing,
    .cta-section {
        padding: var(--space-2xl) 0;
    }
    
    /* Feature cards */
    .feature-card {
        padding: var(--space-md);
    }
    
    /* Intelligence features */
    .intel-feature {
        flex-direction: column;
        text-align: center;
    }
    
    /* Sample report */
    .report-header {
        flex-direction: column;
        gap: var(--space-xs);
        text-align: center;
    }
    
    .insight-card {
        padding: var(--space-sm);
    }
    
    /* Testimonial cards */
    .testimonial-card {
        padding: var(--space-md);
    }
    
    .quote-icon {
        font-size: 36px;
    }
    
    .testimonial-text {
        font-size: var(--font-size-base);
    }
    
    /* Pricing cards */
    .pricing-card {
        padding: var(--space-lg);
    }
    
    .amount {
        font-size: 36px;
    }
    
    /* Footer */
    .footer {
        padding: var(--space-xl) 0 var(--space-lg);
    }
    
    .footer-links {
        text-align: left;
    }
}

/* Small Mobile Styles (max-width: 360px) */
@media (max-width: 360px) {
    :root {
        --font-size-base: 14px;
        --font-size-sm: 12px;
    }
    
    .logo {
        font-size: var(--font-size-lg);
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 24px;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Optimize for retina displays */
    .dashboard-img,
    .client-logo img,
    .author-avatar {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Print styles */
@media print {
    .header,
    .hero-visual,
    .floating-card,
    .hero-bg-elements,
    .mobile-menu-toggle,
    .btn,
    .form-group,
    .social-links {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: #fff;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    h1, h2, h3, h4 {
        page-break-after: avoid;
    }
    
    .section-header,
    .feature-card,
    .testimonial-card {
        page-break-inside: avoid;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .floating-card {
        animation: none;
    }
}

/* Dark mode support (if needed in future) */
@media (prefers-color-scheme: dark) {
    /* Dark mode styles can be added here */
}

/* Landscape orientation for mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding-top: calc(75px + var(--space-xl));
        padding-bottom: var(--space-xl);
    }
    
    .hero-content {
        gap: var(--space-lg);
    }
    
    .hero-visual {
        max-width: 50%;
        margin: 0 auto;
    }
}