/* CountMyTax - Responsive Design */
/* Mobile-first approach with progressive enhancement */

/* Mobile Styles (base) */
@media (max-width: 767px) {
    :root {
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
        --font-size-2xl: 1.5rem;
        --font-size-xl: 1.25rem;
    }

    .container {
        padding: 0 var(--spacing-3);
    }

    /* Navigation */
    .nav-menu {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .nav-container {
        padding: var(--spacing-3) 0;
    }

    .logo {
        font-size: var(--font-size-lg);
    }

    .logo-icon {
        width: 1.75rem;
        height: 1.75rem;
    }

    /* Mobile Menu Button Animation */
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
        text-align: center;
    }

    .footer-section {
        margin-bottom: var(--spacing-4);
    }

    /* Buttons */
    .btn {
        width: 100%;
        justify-content: center;
    }

    .btn-lg {
        padding: var(--spacing-4) var(--spacing-6);
    }

    /* Typography adjustments */
    h1 { font-size: var(--font-size-3xl); }
    h2 { font-size: var(--font-size-2xl); }
    h3 { font-size: var(--font-size-xl); }

    /* Spacing adjustments */
    .mt-6, .mb-6 {
        margin-top: var(--spacing-4);
        margin-bottom: var(--spacing-4);
    }

    .mt-8, .mb-8 {
        margin-top: var(--spacing-5);
        margin-bottom: var(--spacing-5);
    }

    .mt-12, .mb-12 {
        margin-top: var(--spacing-6);
        margin-bottom: var(--spacing-6);
    }

    /* Hide desktop-specific elements */
    .desktop-only {
        display: none !important;
    }
}

/* Tablet Styles */
@media (min-width: 768px) and (max-width: 991px) {
    .container {
        padding: 0 var(--spacing-4);
    }

    /* Navigation */
    .nav-menu {
        gap: var(--spacing-4);
    }

    .nav-link {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-sm);
    }

    .logo {
        font-size: var(--font-size-lg);
    }

    /* Footer */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-6);
    }

    /* Typography adjustments */
    h1 { font-size: var(--font-size-4xl); }
    h2 { font-size: var(--font-size-3xl); }
    h3 { font-size: var(--font-size-2xl); }

    /* Hide mobile-specific elements */
    .mobile-only {
        display: none !important;
    }
}

/* Desktop Styles */
@media (min-width: 992px) {
    .container {
        padding: 0 var(--spacing-6);
    }

    /* Navigation */
    .nav-menu {
        gap: var(--spacing-6);
    }

    .nav-link {
        padding: var(--spacing-2) var(--spacing-4);
    }

    /* Footer */
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }

    /* Hide mobile-specific elements */
    .mobile-only {
        display: none !important;
    }
}

/* Large Desktop Styles */
@media (min-width: 1200px) {
    .container {
        padding: 0 var(--spacing-8);
    }

    /* Enhanced hover effects */
    .btn:hover {
        transform: translateY(-2px);
    }

    .logo:hover .logo-icon {
        transform: rotate(5deg);
    }

    .logo-icon {
        transition: transform var(--transition-fast);
    }
}

/* Print Styles */
@media print {
    .navbar,
    .footer,
    .btn,
    .mobile-menu,
    .mobile-menu-btn {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
        color: black;
        background: white;
    }

    .container {
        max-width: none;
        padding: 0;
    }

    h1, h2, h3, h4, h5, h6 {
        color: black;
        break-after: avoid;
    }

    p, li {
        break-inside: avoid;
    }

    a {
        color: black;
        text-decoration: underline;
    }

    .footer-disclaimer {
        display: block !important;
        margin-top: var(--spacing-6);
        border-top: 1px solid black;
        padding-top: var(--spacing-4);
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0000ff;
        --secondary-color: #ff0000;
        --gray-900: #000000;
        --gray-100: #ffffff;
    }

    .btn {
        border: 2px solid;
    }

    .nav-link:hover,
    .nav-link.active {
        background-color: yellow;
        color: black;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .mobile-menu-btn span {
        transition: none;
    }
}

/* Dark mode support (for future implementation) */
@media (prefers-color-scheme: dark) {
    :root {
        --gray-50: #1a1a1a;
        --gray-100: #2d2d2d;
        --gray-200: #404040;
        --gray-300: #525252;
        --gray-600: #a3a3a3;
        --gray-700: #d4d4d4;
        --gray-800: #e5e5e5;
        --gray-900: #f5f5f5;
        --white: #0a0a0a;
    }

    .navbar {
        background: rgba(10, 10, 10, 0.95);
        border-bottom-color: var(--gray-200);
    }

    .footer {
        background: var(--gray-900);
    }

    .dropdown-menu {
        background: var(--gray-50);
        border-color: var(--gray-200);
    }

    .mobile-menu {
        background: var(--gray-50);
        border-bottom-color: var(--gray-200);
    }
}

/* Focus management for accessibility */
.nav-link:focus,
.btn:focus,
.dropdown-item:focus,
.mobile-menu-item:focus,
.mobile-dropdown-item:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Skip link for screen readers */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: var(--white);
    padding: 8px;
    text-decoration: none;
    border-radius: var(--border-radius);
    z-index: 1001;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 6px;
}

/* Screen reader only text */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Error states */
.error {
    border-color: var(--danger-color) !important;
    background-color: rgba(220, 53, 69, 0.1) !important;
}

/* Success states */
.success {
    border-color: var(--success-color) !important;
    background-color: rgba(40, 167, 69, 0.1) !important;
}

/* Loading states */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}