/* ================================
   DESKTOP ENHANCEMENT FRAMEWORK
   ================================ */

/* Enhanced Container Sizing for Different Screen Sizes */
.container {
    max-width: 1000px; /* Default for small screens */
    width: 100%;
    margin: 0 auto;
}

/* ================================
   PROGRESSIVE ENHANCEMENT BREAKPOINTS
   ================================ */

/* Large Tablets & Small Desktops (1024px - 1199px) */
@media (min-width: 1024px) {
    .container {
        max-width: 1100px;
        padding: 20px 40px;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }
    
    .header-section {
        padding: 70px 50px 50px;
    }
    
    .content-section {
        padding: 50px;
    }
    
    h1 {
        font-size: clamp(2.5rem, 4vw, 3.5rem);
    }
    
    .subtitle {
        font-size: 1.3rem;
        max-width: 700px;
    }
}

/* Standard Desktops (1200px - 1439px) */
@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
        padding: 20px 50px;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 30px;
        max-width: 1000px;
        margin: 0 auto 40px;
    }
    
    .header-section {
        padding: 80px 60px 60px;
    }
    
    .content-section {
        padding: 60px;
    }
    
    .action-buttons {
        max-width: 800px;
        margin: 40px auto 0;
    }
    
    .ai-callout,
    .disclaimer {
        max-width: 900px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* Large Desktops (1440px - 1919px) */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
        padding: 20px 60px;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 35px;
        max-width: 1200px;
    }
    
    .header-section {
        padding: 100px 80px 80px;
    }
    
    .content-section {
        padding: 80px;
    }
    
    h1 {
        font-size: clamp(3rem, 4vw, 4rem);
    }
    
    .subtitle {
        font-size: 1.4rem;
        max-width: 800px;
    }
    
    .action-buttons {
        max-width: 1000px;
    }
    
    .btn {
        padding: 18px 36px;
        font-size: 1.1rem;
    }
}

/* Ultra-wide & 4K Screens (1920px+) */
@media (min-width: 1920px) {
    .container {
        max-width: 1600px;
        padding: 20px 80px;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
        gap: 40px;
        max-width: 1400px;
    }
    
    .header-section {
        padding: 120px 100px 100px;
    }
    
    .content-section {
        padding: 100px;
    }
    
    h1 {
        font-size: clamp(3.5rem, 4vw, 4.5rem);
    }
    
    .subtitle {
        font-size: 1.5rem;
        max-width: 900px;
    }
    
    .feature-card {
        padding: 35px;
    }
    
    .feature-icon {
        font-size: 3rem;
    }
    
    .feature-title {
        font-size: 1.3rem;
    }
    
    .feature-desc {
        font-size: 1rem;
    }
}

/* ================================
   GRID IMPROVEMENTS
   ================================ */

/* Prevent too many columns on ultra-wide screens */
.features-grid {
    display: grid;
    gap: 20px;
    margin-bottom: 40px;
}

/* Ensure grids never exceed 4 columns */
@media (min-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        max-width: calc(4 * 280px + 3 * 30px); /* Max 4 columns with gaps */
    }
}

/* ================================
   FORM & INPUT SCALING
   ================================ */

@media (min-width: 1200px) {
    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 1.1rem;
        padding: 14px 18px;
    }
    
    .btn-group {
        max-width: 600px;
        margin: 0 auto;
    }
}

@media (min-width: 1440px) {
    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 1.15rem;
        padding: 16px 20px;
    }
}

/* ================================
   CONTENT SPECIFIC IMPROVEMENTS
   ================================ */

/* Navigation improvements for larger screens */
@media (min-width: 1200px) {
    .navigation {
        max-width: 800px;
        margin: 0 auto;
    }
    
    .nav-button {
        padding: 14px 24px;
        font-size: 1.05rem;
    }
}

/* Progress tracking improvements */
@media (min-width: 1200px) {
    .progress-container {
        max-width: 1000px;
        margin: 0 auto;
    }
    
    .phase-card {
        padding: 30px;
    }
}

/* Modal and overlay improvements */
@media (min-width: 1200px) {
    .modal-content {
        max-width: 800px;
        padding: 40px;
    }
}

@media (min-width: 1440px) {
    .modal-content {
        max-width: 900px;
        padding: 50px;
    }
}

/* ================================
   TYPOGRAPHY SCALING
   ================================ */

@media (min-width: 1200px) {
    body {
        font-size: 16px;
        line-height: 1.7;
    }
    
    h2 {
        font-size: clamp(1.8rem, 2.5vw, 2.2rem);
    }
    
    h3 {
        font-size: clamp(1.4rem, 2vw, 1.8rem);
    }
}

@media (min-width: 1440px) {
    body {
        font-size: 17px;
        line-height: 1.75;
    }
}

@media (min-width: 1920px) {
    body {
        font-size: 18px;
        line-height: 1.8;
    }
}

/* ================================
   SPACING OPTIMIZATIONS
   ================================ */

@media (min-width: 1200px) {
    .mode-toggle-section {
        padding: 40px 50px;
    }
    
    .disclaimer {
        margin: 30px auto 0;
        max-width: 900px;
    }
}

@media (min-width: 1440px) {
    .mode-toggle-section {
        padding: 50px 60px;
    }
    
    .disclaimer {
        margin: 40px auto 0;
        max-width: 1000px;
    }
}

/* ================================
   UTILITY CLASSES
   ================================ */

/* Center content on large screens */
.desktop-center {
    max-width: 1200px;
    margin: 0 auto;
}

/* Responsive padding */
.responsive-padding {
    padding: 20px;
}

@media (min-width: 1024px) {
    .responsive-padding {
        padding: 40px;
    }
}

@media (min-width: 1440px) {
    .responsive-padding {
        padding: 60px;
    }
}

@media (min-width: 1920px) {
    .responsive-padding {
        padding: 80px;
    }
}

/* ================================
   PERFORMANCE OPTIMIZATIONS
   ================================ */

/* Smooth transitions for all screen sizes */
* {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Optimized animations for larger screens */
@media (min-width: 1200px) {
    .feature-card:hover {
        transform: translateY(-8px);
    }
    
    .btn:hover {
        transform: translateY(-3px);
    }
}

/* ================================
   THEME TOGGLE POSITIONING
   ================================ */

@media (min-width: 1200px) {
    .theme-toggle {
        top: 30px;
        right: 30px;
        padding: 14px 20px;
    }
}

@media (min-width: 1440px) {
    .theme-toggle {
        top: 40px;
        right: 40px;
        padding: 16px 24px;
    }
}

/* ================================
   ACCESSIBILITY IMPROVEMENTS
   ================================ */

/* Better focus indicators on larger screens */
@media (min-width: 1200px) {
    .btn:focus,
    input:focus,
    textarea:focus,
    select:focus {
        outline: 3px solid var(--text-hover);
        outline-offset: 3px;
    }
}

/* ================================
   PRINT OPTIMIZATIONS
   ================================ */

@media print {
    .container {
        max-width: none;
        padding: 20px;
        box-shadow: none;
        background: white !important;
    }
    
    .theme-toggle {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}