/* ========================================
   Responsive Design - Mobile First
   ======================================== */

/* ========================================
   Tablet (768px and up)
   ======================================== */
@media screen and (min-width: 768px) {
    .container {
        padding: 0 2rem;
    }
    
    .countdown-container {
        gap: 1.5rem;
    }
    
    .countdown-item {
        min-width: 120px;
        padding: 2rem;
    }
    
    .couple-container {
        gap: 3rem;
    }
    
    .couple-card {
        max-width: 400px;
    }
    
    .timeline::before {
        left: 50%;
    }
    
    .timeline-item:nth-child(odd) {
        text-align: right;
        padding-right: 4rem;
    }
    
    .timeline-item:nth-child(even) {
        text-align: left;
        padding-left: 4rem;
        margin-left: 50%;
    }
    
    .events-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gift-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ========================================
   Desktop (1024px and up)
   ======================================== */
@media screen and (min-width: 1024px) {
    html {
        font-size: 18px;
    }
    
    .container {
        max-width: 1140px;
        padding: 0 3rem;
    }
    
    .hero {
        min-height: 700px;
    }
    
    .section-title {
        margin-bottom: 1.5rem;
    }
    
    .section-subtitle {
        margin-bottom: 4rem;
    }
    
    .countdown-section {
        padding: 6rem 0;
    }
    
    .couple-section,
    .timeline-section,
    .gallery-section,
    .event-section,
    .rsvp-section,
    .wishes-section,
    .gift-section {
        padding: 6rem 0;
    }
    
    .footer {
        padding: 5rem 0;
    }
    
    /* Enhanced hover effects for desktop */
    .couple-card:hover .couple-icon {
        transform: scale(1.1);
        transition: transform 0.3s ease;
    }
    
    .event-card:hover .event-header svg {
        transform: scale(1.1);
        transition: transform 0.3s ease;
    }
}

/* ========================================
   Large Desktop (1440px and up)
   ======================================== */
@media screen and (min-width: 1440px) {
    html {
        font-size: 20px;
    }
    
    .container {
        max-width: 1320px;
    }
    
    .hero {
        min-height: 800px;
    }
}

/* ========================================
   Small Mobile (max-width: 480px)
   ======================================== */
@media screen and (max-width: 480px) {
    .opening-content {
        padding: 1.5rem;
    }
    
    .btn-open {
        padding: 0.8rem 1.8rem;
        font-size: 0.9rem;
    }
    
    .hero-content {
        padding: 1.5rem;
    }
    
    .quran-verse {
        padding: 1.5rem;
    }
    
    .countdown-container {
        gap: 0.5rem;
    }
    
    .countdown-item {
        min-width: 70px;
        padding: 1rem 0.5rem;
    }
    
    .countdown-number {
        font-size: 1.5rem;
    }
    
    .countdown-label {
        font-size: 0.65rem;
    }
    
    .countdown-separator {
        font-size: 1.5rem;
        margin-top: 0.5rem;
    }
    
    .couple-card {
        padding: 2rem 1.5rem;
    }
    
    .couple-divider {
        font-size: 2.5rem;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        text-align: left;
        padding-left: 50px;
        margin-left: 0;
    }
    
    .timeline-dot {
        left: 20px;
    }
    
    .timeline-content {
        border-left: 4px solid var(--color-gold);
        border-top: none;
    }
    
    .events-container {
        grid-template-columns: 1fr;
    }
    
    .gift-container {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .music-control {
        bottom: 1rem;
        right: 1rem;
    }
    
    .btn-music {
        width: 45px;
        height: 45px;
    }
    
    .lightbox-prev {
        left: 1rem;
    }
    
    .lightbox-next {
        right: 1rem;
    }
    
    .lightbox-close {
        top: 0.5rem;
        right: 1rem;
        font-size: 2rem;
    }
    
    .rsvp-form {
        padding: 2rem 1.5rem;
    }
}

/* ========================================
   Landscape orientation on mobile
   ======================================== */
@media screen and (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 4rem 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .quran-verse {
        max-width: 500px;
    }
}

/* ========================================
   Touch device optimizations
   ======================================== */
@media (hover: none) and (pointer: coarse) {
    .btn-open:hover {
        transform: none;
    }
    
    .couple-card:hover {
        transform: none;
    }
    
    .event-card:hover {
        transform: none;
    }
    
    .btn-location:hover {
        transform: none;
    }
    
    .btn-submit:hover {
        transform: none;
    }
}

/* ========================================
   High DPI displays
   ======================================== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero-overlay {
        background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(212,175,55,0.15)"/></svg>');
        background-size: 50px 50px;
    }
}

/* ========================================
   Dark mode support (optional enhancement)
   ======================================== */
@media (prefers-color-scheme: dark) {
    :root {
        --color-cream: #1a1a2e;
        --color-white: #16213e;
        --color-text-dark: #eaeaea;
        --color-text-light: #b0b0b0;
    }
    
    .couple-card,
    .event-card,
    .wish-card,
    .gift-card,
    .rsvp-form,
    .timeline-content {
        background: var(--color-white);
    }
    
    .countdown-section,
    .gallery-section,
    .rsvp-section,
    .gift-section {
        background: var(--color-cream);
    }
    
    .couple-section,
    .event-section,
    .wishes-section {
        background: var(--color-cream);
    }
}

/* ========================================
   Accessibility improvements
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

/* Focus visible styles for better accessibility */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--color-gold);
    outline-offset: 2px;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-navy);
    color: var(--color-white);
    padding: 8px;
    z-index: 100000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}