/* Life Palette - Responsive Design System */
/* Mobile-first responsive design with breakpoints */

/* Breakpoint Variables - Already defined in styles.css */
/* 
--container-sm: 640px;   Small devices (landscape phones)
--container-md: 768px;   Medium devices (tablets)
--container-lg: 1024px;  Large devices (desktops)
--container-xl: 1280px;  Extra large devices
--container-2xl: 1536px; 2X large devices
*/

/* =================================
   MOBILE FIRST (320px+)
   Base styles in styles.css
   ================================= */

/* Mobile (767px and below) */
@media (max-width: 767px) {
    /* Services Section - Single Column */
    .service-steps {
        grid-template-columns: 1fr !important;
        gap: var(--space-6);
    }

    .step-card {
        padding: var(--space-8);
    }

    .step-number {
        width: 60px;
        height: 60px;
        font-size: var(--text-2xl);
        margin-bottom: var(--space-6);
    }

    .step-title {
        font-size: var(--text-lg);
    }

    .status-badge {
        font-size: 0.8125rem; /* 13px */
        padding: 0.375rem 0.75rem;
    }

    .step-description {
        font-size: var(--text-sm);
    }

    .step-visual .image-placeholder {
        min-height: 120px;
    }

    /* Benefits Section - Single Column */
    .benefits-grid {
        grid-template-columns: 1fr !important;
        gap: var(--space-6);
    }

    .benefit-card {
        padding: var(--space-8);
    }

    .benefit-icon svg {
        width: 56px;
        height: 56px;
    }

    .benefit-title {
        font-size: var(--text-xl);
    }

    .benefit-description {
        font-size: var(--text-sm);
    }

    .benefit-details {
        gap: var(--space-2);
    }

    .benefit-details li {
        padding: var(--space-3) var(--space-4);
        padding-left: var(--space-8);
        font-size: var(--text-sm);
    }

    /* Differentiator Section - Single Column */
    .differentiator-grid {
        grid-template-columns: 1fr !important;
        gap: var(--space-6);
    }

    .differentiator-item {
        padding: var(--space-6);
    }

    .differentiator-icon svg {
        width: 48px;
        height: 48px;
    }

    /* Mission Section - Mobile */
    .mission {
        padding: var(--space-12) 0;
    }

    .mission-title-new {
        font-size: var(--text-3xl);
        margin-bottom: var(--space-8);
    }

    .mission-image-section {
        margin: 0 var(--space-4) var(--space-8);
        border-radius: var(--radius-lg);
    }

    .grandmother-image {
        max-height: 300px;
    }

    .mission-quote-section {
        margin-bottom: var(--space-12);
    }

    .mission-quote-ko {
        font-size: var(--text-xl);
        margin-bottom: var(--space-6);
    }

    .mission-quote-en {
        font-size: var(--text-sm);
    }

    .company-values {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .value-item {
        padding: var(--space-5);
    }

    .value-item h3 {
        font-size: var(--text-base);
    }

    .value-item p {
        font-size: 0.8125rem;
    }

    .differentiator-item h3 {
        font-size: var(--text-lg);
    }

    .differentiator-item p {
        font-size: var(--text-sm);
    }
}

/* Mobile color palette optimizations */
.color-palette-canvas {
    padding: var(--space-6) !important;
    margin: var(--space-6) auto var(--space-8) !important;
    width: 95% !important;
    max-width: none !important;
}

#paintCanvas {
    width: 100% !important;
    height: 200px !important;
    border-radius: var(--radius-lg) !important;
}

.palette-overlay {
    top: var(--space-4) !important;
    left: var(--space-4) !important;
    right: var(--space-4) !important;
}

.palette-title {
    font-size: var(--text-xl) !important;
    margin-bottom: var(--space-2) !important;
}

.palette-subtitle {
    font-size: var(--text-sm) !important;
    margin-bottom: var(--space-4) !important;
}

.emotion-indicator {
    gap: var(--space-1) !important;
}

.emotion-color {
    width: 16px !important;
    height: 16px !important;
}

.clear-canvas-btn {
    bottom: var(--space-2) !important;
    right: var(--space-2) !important;
    padding: 6px 10px !important;
    font-size: 12px !important;
}

/* =================================
   SMALL MOBILE (480px+)
   ================================= */
@media (min-width: 480px) {
    .hero-title {
        font-size: var(--text-6xl);
    }
    
    .hero-actions {
        flex-direction: row;
        justify-content: flex-start;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .checkbox-group {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* =================================
   TABLET (768px+)
   ================================= */
@media (min-width: 768px) {
    /* Typography adjustments */
    .section-title {
        font-size: var(--text-5xl);
    }
    
    .hero-title {
        font-size: var(--text-6xl);
    }
    
    /* Container padding increase */
    .container {
        padding: 0 var(--space-6);
    }
    
    /* Tablet color palette styles */
    .color-palette-canvas {
        padding: var(--space-7) !important;
        margin: var(--space-8) auto var(--space-10) !important;
        width: 85% !important;
        max-width: 600px !important;
    }
    
    #paintCanvas {
        height: 300px !important;
    }
    
    .palette-overlay {
        top: var(--space-5) !important;
        left: var(--space-5) !important;
        right: var(--space-5) !important;
    }
    
    /* Header improvements */
    .nav-container {
        padding: 0 var(--space-6);
    }
    
    /* Hero section - 2 column layout */
    .hero-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-12);
    }
    
    .hero-actions {
        flex-direction: row;
        gap: var(--space-6);
    }
    
    /* Services - 2 columns on tablet */
    .service-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }
    
    .service-steps .step-card:last-child {
        grid-column: 1 / -1;
        max-width: 400px;
        margin: 0 auto;
    }
    
    /* Benefits - keep single column, but wider cards */
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
        max-width: 600px;
        margin: 0 auto;
    }
    
    .benefit-card {
        display: grid;
        grid-template-columns: auto 1fr;
        gap: var(--space-6);
        text-align: left;
        align-items: start;
    }
    
    .benefit-icon {
        grid-row: 1 / 3;
        align-self: center;
    }
    
    .benefit-title {
        margin-bottom: var(--space-2);
    }
    
    /* Differentiator - 2 columns */
    .differentiator-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .differentiator-grid .differentiator-item:last-child {
        grid-column: 1 / -1;
        max-width: 400px;
        margin: 0 auto;
    }
    
    /* Application form layout */
    .application-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-12);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Mission Section - Tablet */
    .mission-title-new {
        font-size: var(--text-4xl);
    }

    .grandmother-image {
        max-height: 400px;
    }

    .mission-quote-ko {
        font-size: var(--text-2xl);
    }

    .mission-quote-en {
        font-size: var(--text-base);
    }

    /* Mission values - 2 columns */
    .company-values {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }

    .company-values .value-item:last-child {
        grid-column: 1 / -1;
        max-width: 500px;
        margin: 0 auto;
    }
    
    /* Footer - 2x2 grid */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8) var(--space-12);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

/* =================================
   DESKTOP (1024px+)
   ================================= */
@media (min-width: 1024px) {
    /* Enhanced typography */
    .hero-title {
        font-size: var(--text-6xl);
        line-height: 1.1;
    }
    
    .section-title {
        font-size: var(--text-5xl);
    }
    
    /* Container improvements */
    .container {
        padding: 0 var(--space-8);
    }
    
    /* Desktop color palette styles */
    .color-palette-canvas {
        padding: var(--space-8) !important;
        margin: var(--space-10) auto var(--space-12) !important;
        width: 80% !important;
        max-width: 680px !important;
    }
    
    #paintCanvas {
        height: 400px !important;
    }
    
    .palette-overlay {
        top: var(--space-6) !important;
        left: var(--space-6) !important;
        right: var(--space-6) !important;
    }
    
    /* Navigation enhancements */
    .nav-menu {
        display: flex;
        gap: var(--space-10);
    }
    
    .mobile-menu-toggle {
        display: none;
    }
    
    /* Hero section full layout */
    .hero {
        padding: var(--space-24) 0 var(--space-20);
    }
    
    .hero-container {
        gap: var(--space-16);
    }
    
    .hero-content {
        max-width: 640px;
    }
    
    /* Mission Section - Desktop */
    .mission {
        padding: var(--space-20) 0;
    }

    .mission-title-new {
        font-size: var(--text-5xl);
    }

    .grandmother-image {
        max-height: 500px;
    }

    .mission-quote-ko {
        font-size: var(--text-3xl);
    }

    .mission-quote-en {
        font-size: var(--text-lg);
    }

    .company-values {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
    }

    .company-values .value-item:last-child {
        grid-column: auto;
        max-width: none;
        margin: 0;
    }

    .value-item {
        padding: var(--space-8);
    }

    /* Services - 3 columns */
    .service-steps {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
    }

    .service-steps .step-card:last-child {
        grid-column: auto;
        max-width: none;
        margin: 0;
    }
    
    /* Benefits - 3 columns */
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
        max-width: none;
    }
    
    .benefit-card {
        display: block;
        text-align: center;
    }
    
    .benefit-icon {
        grid-row: auto;
        align-self: auto;
    }
    
    .benefit-title {
        margin-bottom: var(--space-4);
    }
    
    /* Differentiator - 3 columns */
    .differentiator-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .differentiator-grid .differentiator-item:last-child {
        grid-column: auto;
        max-width: none;
        margin: 0;
    }
    
    /* Application section */
    .application-content {
        gap: var(--space-16);
        align-items: start;
    }
    
    /* Mission values - 3 columns */
    .company-values {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .company-values .value-item:last-child {
        grid-column: auto;
        max-width: none;
        margin: 0;
    }
    
    /* Footer - 4 columns */
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .footer-bottom {
        flex-direction: row;
        text-align: left;
    }
    
    /* Enhanced hover effects for desktop */
    .step-card:hover,
    .benefit-card:hover,
    .differentiator-item:hover {
        transform: translateY(-8px);
    }
}

/* =================================
   LARGE DESKTOP (1280px+)
   ================================= */
@media (min-width: 1280px) {
    /* Increased spacing for large screens */
    .hero {
        padding: var(--space-24) 0 var(--space-24);
    }
    
    .services,
    .benefits,
    .differentiator,
    .application,
    .mission {
        padding: var(--space-24) 0;
    }
    
    /* Enhanced hero layout */
    .hero-container {
        gap: var(--space-20);
    }
    
    .hero-content {
        max-width: 700px;
    }
    
    .hero-title {
        font-size: clamp(var(--text-5xl), 4vw, var(--text-6xl));
    }
    
    /* Card enhancements */
    .step-card,
    .benefit-card {
        padding: var(--space-10);
    }
    
    .application-form {
        padding: var(--space-10);
    }
    
    /* Footer spacing */
    .footer {
        padding: var(--space-20) 0 var(--space-10);
    }
}

/* =================================
   EXTRA LARGE (1536px+)
   ================================= */
@media (min-width: 1536px) {
    /* Maximum width constraints */
    .hero-container,
    .container {
        max-width: var(--container-max);
    }
    
    /* Premium spacing */
    .hero {
        padding: var(--space-24) 0 var(--space-24);
    }
    
    .hero-title {
        font-size: clamp(var(--text-6xl), 3.5vw, 4rem);
    }
    
    /* Enhanced grid gaps */
    .service-steps,
    .benefits-grid,
    .differentiator-grid,
    .company-values {
        gap: var(--space-12);
    }
    
    .application-content {
        gap: var(--space-20);
    }
}

/* =================================
   MOBILE & TABLET SPECIFIC
   ================================= */

/* Mobile Navigation */
@media (max-width: 1023px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        border-top: 1px solid var(--gray-200);
        box-shadow: var(--shadow-lg);
        flex-direction: column;
        gap: 0;
        padding: var(--space-4);
        z-index: var(--z-dropdown);
    }
    
    .nav-menu.mobile-open {
        display: flex;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu a {
        display: block;
        padding: var(--space-4);
        border-bottom: 1px solid var(--gray-100);
    }
    
    .nav-menu a:last-child {
        border-bottom: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* Mobile hero layout */
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-10);
        text-align: center;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: var(--space-4);
        align-items: center;
    }
    
    .primary-button,
    .secondary-button {
        width: 100%;
        max-width: 300px;
    }
    
    /* Mobile application layout */
    .application-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    /* Mobile form adjustments */
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    
    /* Mobile gallery */
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-3);
    }
    
    /* Mobile footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
    
    .legal-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-4);
    }
}

/* =================================
   SMALL MOBILE ADJUSTMENTS
   ================================= */
@media (max-width: 479px) {
    /* Reduce spacing for very small screens */
    .hero,
    .services,
    .benefits,
    .differentiator,
    .application,
    .mission {
        padding: var(--space-16) 0;
    }
    
    .container {
        padding: 0 var(--space-4);
    }
    
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .section-title {
        font-size: var(--text-3xl);
    }
    
    /* Compact cards */
    .step-card,
    .benefit-card,
    .application-form {
        padding: var(--space-6);
    }
    
    /* Single column gallery */
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    /* Stack form actions */
    .hero-actions {
        width: 100%;
    }
    
    .primary-button,
    .secondary-button {
        width: 100%;
        max-width: none;
    }
    
    /* Reduce mission text */
    .mission-text-ko {
        font-size: var(--text-lg);
    }
    
    .mission-text-en {
        font-size: var(--text-xl);
    }
}

/* =================================
   LANDSCAPE MOBILE
   ================================= */
@media (max-width: 1023px) and (orientation: landscape) {
    .hero {
        padding: var(--space-12) 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
        align-items: center;
    }
    
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .hero-actions {
        flex-direction: row;
        justify-content: flex-start;
    }
}

/* =================================
   ACCESSIBILITY & REDUCED MOTION
   ================================= */
@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;
    }
    
    .mission::before {
        animation: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --gray-100: #E0E0E0;
        --gray-200: #C0C0C0;
        --gray-300: #A0A0A0;
        --gray-600: #404040;
        --gray-700: #202020;
        --gray-800: #000000;
    }
    
    .step-card,
    .benefit-card,
    .application-form {
        border: 2px solid var(--gray-800);
    }
    
    .primary-button,
    .cta-button,
    .submit-button {
        border: 2px solid var(--gray-800);
    }
}

/* Dark mode preference */
@media (prefers-color-scheme: dark) {
    /* This would be implemented if dark mode is desired */
    /* Currently maintaining light theme as per design requirements */
}

/* =================================
   CONTAINER QUERIES
   (Future enhancement for better component-based responsive design)
   ================================= */
@supports (container-type: inline-size) {
    .service-steps {
        container-type: inline-size;
    }
    
    @container (max-width: 600px) {
        .step-card {
            padding: var(--space-4);
        }
    }
}

/* =================================
   PRINT OPTIMIZATION
   ================================= */
@media print {
    /* Responsive print layout */
    .hero-container,
    .service-steps,
    .benefits-grid,
    .differentiator-grid,
    .company-values {
        grid-template-columns: 1fr !important;
        gap: var(--space-4) !important;
    }
    
    .application-content {
        grid-template-columns: 1fr !important;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    
    .hero,
    .services,
    .benefits,
    .differentiator,
    .application,
    .mission {
        padding: var(--space-8) 0 !important;
    }
    
    .section-title {
        font-size: var(--text-3xl) !important;
    }
    
    .hero-title {
        font-size: var(--text-4xl) !important;
    }
}