/* Responsive Styles - 아파트샵 황소밴드 */
/* Mobile First Approach */

/* ========================================
   1. Extra Small Devices (phones, < 640px)
   ======================================== */
@media (max-width: 639px) {
    body {
        font-size: 14px;
    }
    
    .section-padding {
        padding: 2rem 1rem;
    }
    
    .hero-gradient h1 {
        font-size: 1.75rem;
        line-height: 1.2;
    }
    
    .hero-gradient p {
        font-size: 1rem;
    }
    
    .container-custom {
        padding: 0 0.75rem;
    }
    
    /* Mobile Navigation Optimization */
    #mobile-menu {
        max-height: calc(100vh - 80px);
        overflow-y: auto;
    }
    
    /* Mobile Dropdown Animation */
    .mobile-dropdown-content {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-in-out, opacity 0.3s ease-in-out;
        opacity: 0;
    }
    
    .mobile-dropdown-content:not(.hidden) {
        max-height: 500px;
        opacity: 1;
    }
    
    .mobile-dropdown-btn svg {
        transition: transform 0.3s ease-in-out;
    }
    
    /* Touch Target Optimization */
    button,
    a {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Footer - Hide links section on mobile */
    .footer-links {
        display: none !important;
    }
    
    /* History Page - Mobile Timeline */
    /* 타임라인 컨테이너에 좌측 세로선 추가 */
    .py-16 .relative {
        position: relative;
        padding-left: 1.5rem;
    }
    
    .py-16 .relative::before {
        content: '';
        position: absolute;
        left: 0.5rem;
        top: 0;
        bottom: 0;
        width: 3px;
        background: linear-gradient(to bottom, #2563eb, #9333ea);
        border-radius: 2px;
    }
    
    /* 각 카드 옆에 작은 원형 마커 추가 */
    .py-16 .relative .mb-12::before,
    .py-16 .relative .animate-on-scroll:last-child::before {
        content: '';
        position: absolute;
        left: -0.875rem;
        top: 2rem;
        width: 1rem;
        height: 1rem;
        background: white;
        border: 3px solid #2563eb;
        border-radius: 50%;
        z-index: 1;
    }
    
    .py-16 .relative .mb-12:nth-child(even)::before {
        border-color: #9333ea;
    }
    
    /* History Page - Uniform Card Alignment for Mobile */
    .mb-12 .bg-gradient-to-br,
    .animate-on-scroll .bg-gradient-to-br {
        margin-left: auto !important;
        margin-right: auto !important;
        max-width: 100% !important;
    }
    
    /* Product Slider - Mobile */
    .product-slide {
        max-height: none !important;
        min-height: 300px;
        aspect-ratio: 16 / 9;
    }
}

/* ========================================
   2. Small Devices (tablets, >= 640px)
   ======================================== */
@media (min-width: 640px) and (max-width: 767px) {
    .section-padding {
        padding: 3rem 1.5rem;
    }
    
    .hero-gradient h1 {
        font-size: 2.5rem;
    }
    
    /* Footer - Hide links section on small tablets too */
    .footer-links {
        display: none !important;
    }
}

/* ========================================
   3. Medium Devices (tablets, >= 768px)
   ======================================== */
@media (min-width: 768px) {
    .section-padding {
        padding: 4rem 2rem;
    }
    
    .hero-gradient h1 {
        font-size: 3rem;
    }
    
    /* Grid Optimization */
    .grid-responsive {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

/* ========================================
   4. Large Devices (desktops, >= 1024px)
   ======================================== */
@media (min-width: 1024px) {
    .section-padding {
        padding: 5rem 2rem;
    }
    
    .hero-gradient h1 {
        font-size: 3.5rem;
    }
    
    /* Grid Optimization */
    .grid-responsive {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Hover Effects (Desktop Only) */
    .hover-desktop:hover {
        transform: scale(1.02);
        transition: transform 0.3s ease;
    }
}

/* ========================================
   5. Extra Large Devices (>= 1280px)
   ======================================== */
@media (min-width: 1280px) {
    .section-padding {
        padding: 6rem 2rem;
    }
    
    .hero-gradient h1 {
        font-size: 4rem;
    }
}

/* ========================================
   6. Landscape Orientation
   ======================================== */
@media (orientation: landscape) and (max-height: 500px) {
    .hero-gradient {
        padding: 3rem 0;
    }
    
    #mobile-menu {
        max-height: 300px;
    }
}

/* ========================================
   7. High DPI Displays (Retina)
   ======================================== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /* Optimize images for retina displays */
    img {
        image-rendering: -webkit-optimize-contrast;
    }
}

/* ========================================
   8. Reduced Motion (Accessibility)
   ======================================== */
@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;
    }
}

/* ========================================
   9. Dark Mode Support
   ======================================== */
@media (prefers-color-scheme: dark) {
    /* Optional: Add dark mode styles if needed */
    /* Currently using light mode only for corporate site */
}

/* ========================================
   10. Print Styles
   ======================================== */
@media print {
    header,
    footer,
    #scroll-to-top,
    #mobile-menu-button,
    .no-print {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
        font-size: 12pt;
    }
    
    a {
        text-decoration: underline;
        color: #000;
    }
    
    a[href^="http"]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }
    
    .page-break {
        page-break-before: always;
    }
    
    img {
        max-width: 100% !important;
    }
}