/* Responsive Design Styles */

/* Breakpoints */
:root {
    --breakpoint-xs: 480px;
    --breakpoint-sm: 768px;
    --breakpoint-md: 1024px;
    --breakpoint-lg: 1200px;
    --breakpoint-xl: 1400px;
}

/* Container Responsive Behavior */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
}

/* Navigation Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        width: 100%;
        text-align: center;
        transition: left 0.3s ease;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        padding: 20px 0;
        gap: 10px;
        border-top: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu .nav-link {
        display: block;
        padding: 12px 20px;
        margin: 0 20px;
        border-radius: 8px;
    }

    .nav-toggle {
        display: flex;
        flex-direction: column;
        cursor: pointer;
        padding: 4px;
    }

    .nav-toggle .bar {
        width: 25px;
        height: 3px;
        background-color: var(--text-primary);
        margin: 3px 0;
        transition: 0.3s;
        border-radius: 2px;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }
}

/* Hero Section Responsive */
@media (max-width: 1024px) {
    .hero-container {
        gap: 40px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 30px;
    }
    
    .hero-image {
        width: 300px;
        height: 300px;
    }
    
    .hero-icon {
        font-size: 6rem;
    }
    
    .analysis-card {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 80px 0 40px;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .stat {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .hero-image {
        width: 250px;
        height: 250px;
    }
    
    .analysis-card {
        padding: 15px;
    }
}

/* Features Section Responsive */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .features {
        padding: 80px 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-header p {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .features {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .feature-card {
        padding: 25px 15px;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 20px;
    }
    
    .feature-icon i {
        font-size: 1.5rem;
    }
    
    .feature-card h3 {
        font-size: 1.25rem;
    }
}

/* How It Works Section Responsive */
@media (max-width: 768px) {
    .how-it-works {
        padding: 80px 0;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .step-visual {
        width: 60px;
        height: 60px;
    }
    
    .step-visual i {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .how-it-works {
        padding: 60px 0;
    }
    
    .steps-container {
        gap: 30px;
    }
    
    .step-content h3 {
        font-size: 1.25rem;
    }
    
    .step-content p {
        font-size: 0.95rem;
    }
}

/* Download Section Responsive */
@media (max-width: 1024px) {
    .download-content {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .download {
        padding: 80px 0;
    }
    
    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .download-text h2 {
        font-size: 2rem;
    }
    
    .download-text p {
        font-size: 1.1rem;
    }
    
    .download-features {
        grid-template-columns: 1fr;
        gap: 12px;
        justify-items: center;
    }
    
    .download-feature {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .download {
        padding: 60px 0;
    }
    
    .download-text h2 {
        font-size: 1.75rem;
    }
    
    .download-text p {
        font-size: 1rem;
    }
    
    .download-btn {
        padding: 15px 20px;
        gap: 15px;
    }
    
    .download-btn-icon {
        width: 40px;
        height: 40px;
    }
    
    .download-btn-icon i {
        font-size: 1.25rem;
    }
    
    .download-btn-title {
        font-size: 1rem;
    }
    
    .download-btn-subtitle {
        font-size: 0.85rem;
    }
}

/* Footer Responsive */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: 50px 0 25px;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
        text-align: left;
    }
    
    .footer-section:first-child {
        grid-column: 1 / -1;
        text-align: center;
        margin-bottom: 20px;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
        text-align: center;
    }
    
    .footer-section:first-child {
        grid-column: auto;
        margin-bottom: 0;
    }
    
    .footer-brand {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* Button Responsive */
@media (max-width: 768px) {
    .btn {
        padding: 10px 20px;
        font-size: 0.95rem;
    }
    
    .btn-large {
        padding: 14px 28px;
        font-size: 1.05rem;
    }
    
    .btn-small {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 10px 18px;
        font-size: 0.9rem;
    }
    
    .btn-large {
        padding: 12px 24px;
        font-size: 1rem;
    }
}

/* Modal Responsive */
@media (max-width: 768px) {
    .modal {
        width: 95%;
        margin: 20px;
        max-height: calc(100vh - 40px);
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding-left: 20px;
        padding-right: 20px;
    }
}

@media (max-width: 480px) {
    .modal {
        width: 100%;
        height: 100vh;
        max-height: 100vh;
        margin: 0;
        border-radius: 0;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding-left: 16px;
        padding-right: 16px;
    }
    
    .modal-header {
        padding-top: 20px;
    }
    
    .modal-footer {
        padding-bottom: 20px;
    }
}

/* Toast Responsive */
@media (max-width: 768px) {
    .toast-container {
        left: 16px;
        right: 16px;
        top: 16px;
    }
    
    .toast {
        min-width: auto;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .toast-container {
        left: 12px;
        right: 12px;
        top: 12px;
    }
    
    .toast {
        padding: 12px 16px;
        gap: 10px;
    }
    
    .toast-icon {
        font-size: 1.1rem;
    }
    
    .toast-title {
        font-size: 0.9rem;
    }
    
    .toast-message {
        font-size: 0.8rem;
    }
}

/* Utility Classes for Responsive Design */
.hide-mobile {
    display: block;
}

.show-mobile {
    display: none;
}

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

.hide-tablet {
    display: block;
}

.show-tablet {
    display: none;
}

@media (max-width: 1024px) {
    .hide-tablet {
        display: none !important;
    }
    
    .show-tablet {
        display: block !important;
    }
}

.hide-desktop {
    display: block;
}

.show-desktop {
    display: none;
}

@media (min-width: 1025px) {
    .hide-desktop {
        display: none !important;
    }
    
    .show-desktop {
        display: block !important;
    }
}

/* Responsive Typography */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
    
    h4 {
        font-size: 1.25rem;
    }
    
    h5 {
        font-size: 1.1rem;
    }
    
    h6 {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h3 {
        font-size: 1.25rem;
    }
    
    h4 {
        font-size: 1.1rem;
    }
    
    h5, h6 {
        font-size: 1rem;
    }
}

/* Responsive Spacing */
@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    section {
        padding: 40px 0;
    }
}

/* Print Responsive */
@media print {
    .hide-print {
        display: none !important;
    }
    
    .show-print {
        display: block !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1 {
        font-size: 18pt;
    }
    
    h2 {
        font-size: 16pt;
    }
    
    h3 {
        font-size: 14pt;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
}