/* Comprehensive Responsive Design System for Apatkal Website */

/* ===== GLOBAL RESPONSIVE UTILITIES ===== */

/* Container responsive breakpoints */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

@media (max-width: 1200px) {
    .container {
        max-width: 1000px;
        padding: 0 12px;
    }
}

@media (max-width: 1024px) {
    .container {
        max-width: 900px;
        padding: 0 10px;
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 100%;
        padding: 0 10px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 8px;
    }
}

@media (max-width: 360px) {
    .container {
        padding: 0 5px;
    }
}

/* ===== TYPOGRAPHY RESPONSIVE SCALE ===== */

/* Large screens (1200px+) */
@media (min-width: 1200px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2.5rem; }
    h3 { font-size: 2rem; }
    h4 { font-size: 1.5rem; }
    h5 { font-size: 1.25rem; }
    h6 { font-size: 1.1rem; }
    p, li { font-size: 1.1rem; }
    .btn { font-size: 1rem; }
}

/* Medium screens (768px - 1199px) */
@media (max-width: 1199px) and (min-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2.2rem; }
    h3 { font-size: 1.8rem; }
    h4 { font-size: 1.4rem; }
    h5 { font-size: 1.2rem; }
    h6 { font-size: 1rem; }
    p, li { font-size: 1rem; }
    .btn { font-size: 0.95rem; }
}

/* Small screens (480px - 767px) */
@media (max-width: 767px) and (min-width: 480px) {
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.5rem; }
    h4 { font-size: 1.3rem; }
    h5 { font-size: 1.1rem; }
    h6 { font-size: 0.95rem; }
    p, li { font-size: 0.95rem; }
    .btn { font-size: 0.9rem; }
}

/* Extra small screens (360px - 479px) */
@media (max-width: 479px) and (min-width: 360px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }
    h3 { font-size: 1.3rem; }
    h4 { font-size: 1.2rem; }
    h5 { font-size: 1rem; }
    h6 { font-size: 0.9rem; }
    p, li { font-size: 0.9rem; }
    .btn { font-size: 0.85rem; }
}

/* Very small screens (below 360px) */
@media (max-width: 359px) {
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.2rem; }
    h4 { font-size: 1.1rem; }
    h5 { font-size: 0.95rem; }
    h6 { font-size: 0.85rem; }
    p, li { font-size: 0.85rem; }
    .btn { font-size: 0.8rem; }
}

/* ===== SPACING RESPONSIVE SCALE ===== */

/* Large screens */
@media (min-width: 1200px) {
    .section { padding: 60px 0; }
    .container { margin: 0 auto; }
    .card { margin: 20px; }
}

/* Medium screens */
@media (max-width: 1199px) and (min-width: 768px) {
    .section { padding: 50px 0; }
    .container { margin: 0 auto; }
    .card { margin: 15px; }
}

/* Small screens */
@media (max-width: 767px) and (min-width: 480px) {
    .section { padding: 40px 0; }
    .container { margin: 0 10px; }
    .card { margin: 10px; }
}

/* Extra small screens */
@media (max-width: 479px) and (min-width: 360px) {
    .section { padding: 30px 0; }
    .container { margin: 0 8px; }
    .card { margin: 8px; }
}

/* Very small screens */
@media (max-width: 359px) {
    .section { padding: 25px 0; }
    .container { margin: 0 5px; }
    .card { margin: 5px; }
}

/* ===== GRID RESPONSIVE SYSTEM ===== */

/* Flexbox grid system */
.grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.grid-item {
    flex: 1;
    min-width: 300px;
}

/* Responsive grid columns */
@media (min-width: 1200px) {
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1199px) and (min-width: 768px) {
    .grid-4 { grid-template-columns: repeat(3, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .grid { flex-direction: column; }
    .grid-item { min-width: 100%; }
}

/* ===== FORM RESPONSIVE DESIGN ===== */

/* Form responsive adjustments */
@media (max-width: 768px) {
    .form-group {
        flex-direction: column;
        gap: 15px;
    }
    
    .form-group .input-box {
        min-width: 100%;
        flex: none;
    }
    
    input, textarea, select {
        padding: 10px;
        font-size: 0.95rem;
    }
    
    .btn {
        width: 100%;
        padding: 10px 20px;
    }
}

@media (max-width: 480px) {
    input, textarea, select {
        padding: 8px 10px;
        font-size: 0.9rem;
    }
    
    .btn {
        padding: 8px 18px;
        font-size: 0.9rem;
    }
    
    .form-group {
        gap: 12px;
    }
}

@media (max-width: 360px) {
    input, textarea, select {
        padding: 7px 8px;
        font-size: 0.85rem;
    }
    
    .btn {
        padding: 7px 15px;
        font-size: 0.85rem;
    }
    
    .form-group {
        gap: 10px;
    }
}

/* ===== NAVIGATION RESPONSIVE ===== */

/* Mobile navigation adjustments */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        padding: 15px;
        gap: 15px;
        transform: translateY(-100%);
        opacity: 0;
        transition: all 0.3s ease;
        z-index: 999;
        max-height: calc(100vh - 100px);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .nav-menu li a {
        color: #333;
        text-align: center;
        background: rgba(0, 0, 0, 0.05);
        font-size: 12px;
        padding: 8px 12px;
        border-radius: 15px;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .nav-buttons {
        gap: 8px;
    }
    
    .btn {
        padding: 6px 12px;
        font-size: 10px;
    }
}

@media (max-width: 480px) {
    .nav-menu {
        padding: 10px;
        gap: 10px;
    }
    
    .nav-menu li a {
        font-size: 11px;
        padding: 6px 10px;
    }
    
    .nav-buttons {
        gap: 6px;
    }
    
    .btn {
        padding: 5px 10px;
        font-size: 9px;
    }
}

@media (max-width: 360px) {
    .nav-buttons {
        flex-direction: column;
        gap: 4px;
    }
    
    .btn {
        padding: 4px 8px;
        font-size: 8px;
    }
}

/* ===== IMAGE RESPONSIVE ===== */

/* Responsive images */
img {
    max-width: 100%;
    height: auto;
}

/* Responsive image sizes */
@media (max-width: 768px) {
    .hero-image {
        width: 100%;
        height: auto;
        max-height: 300px;
    }
    
    .feature-image {
        width: 100%;
        max-width: 200px;
        height: auto;
    }
}

@media (max-width: 480px) {
    .hero-image {
        max-height: 250px;
    }
    
    .feature-image {
        max-width: 150px;
    }
}

/* ===== BUTTON RESPONSIVE ===== */

/* Button responsive sizing */
@media (max-width: 768px) {
    .btn-large {
        padding: 10px 20px;
        font-size: 0.95rem;
    }
    
    .btn-medium {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
    
    .btn-small {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .btn-large {
        padding: 8px 18px;
        font-size: 0.9rem;
    }
    
    .btn-medium {
        padding: 7px 14px;
        font-size: 0.85rem;
    }
    
    .btn-small {
        padding: 5px 10px;
        font-size: 0.8rem;
    }
}

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

/* Hide/show elements based on screen size */
.hide-on-mobile { display: block; }
.show-on-mobile { display: none; }

@media (max-width: 768px) {
    .hide-on-mobile { display: none; }
    .show-on-mobile { display: block; }
}

/* Text alignment responsive */
@media (max-width: 768px) {
    .text-center-mobile { text-align: center; }
    .text-left-mobile { text-align: left; }
    .text-right-mobile { text-align: right; }
}

/* Margin and padding utilities */
@media (max-width: 768px) {
    .no-margin-mobile { margin: 0; }
    .no-padding-mobile { padding: 0; }
    .small-margin-mobile { margin: 10px; }
    .small-padding-mobile { padding: 10px; }
}

/* ===== ANIMATION RESPONSIVE ===== */

/* Reduce animations on mobile for better performance */
@media (max-width: 768px) {
    .animate-on-scroll {
        animation: none;
        opacity: 1;
        transform: none;
    }
    
    .hover-effect:hover {
        transform: none;
        box-shadow: none;
    }
}

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

/* Ensure touch targets are large enough on mobile */
@media (max-width: 768px) {
    button, a, input, select, textarea {
        min-height: 44px;
        min-width: 44px;
    }
    
    .btn {
        min-height: 44px;
    }
}

/* ===== PRINT STYLES ===== */

@media print {
    .no-print { display: none; }
    .print-friendly { background: white; color: black; }
    .container { max-width: none; margin: 0; padding: 0; }
}

/* ===== HIGH CONTRAST MODE ===== */

@media (prefers-contrast: high) {
    .btn {
        border: 2px solid currentColor;
    }
    
    input, textarea, select {
        border: 2px solid currentColor;
    }
}

/* ===== REDUCED MOTION ===== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== DARK MODE SUPPORT ===== */

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #1a1a1a;
        --text-color: #ffffff;
        --border-color: #333333;
    }
}

/* ===== FOCUS VISIBILITY ===== */

/* Ensure focus is visible on all devices */
*:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* ===== SCROLLBAR STYLING ===== */

/* Custom scrollbar for webkit browsers */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

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

/* Optimize for mobile performance */
@media (max-width: 768px) {
    .container {
        will-change: auto;
    }
    
    .animate {
        will-change: auto;
    }
}

/* ===== BROWSER SUPPORT ===== */

/* Fallbacks for older browsers */
@supports not (display: grid) {
    .grid {
        display: flex;
        flex-wrap: wrap;
    }
}

@supports not (backdrop-filter: blur(10px)) {
    .glass-effect {
        background: rgba(255, 255, 255, 0.9);
    }
}