/* ================================
   P-YSBC Responsive CSS
   Mobile-first responsive design
   ================================ */

/* Mobile First (320px and up) - Base styles in main.css */

/* Small Mobile (max 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.1;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .logo-text h1 {
        font-size: var(--font-size-base);
    }
    
    .logo-icon {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-base);
    }
}

/* Mobile (max 767px) */
@media (max-width: 767px) {
    /* Typography adjustments */
    :root {
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --spacing-3xl: 2rem;
        --spacing-4xl: 3rem;
    }
    
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .section-padding {
        padding: var(--spacing-3xl) 0;
    }
    
    /* Top Bar */
    .top-bar-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .contact-info {
        gap: var(--spacing-md);
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .contact-info span {
        font-size: var(--font-size-xs);
    }
    
    /* Header */
    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .logo {
        justify-content: center;
    }
    
    .logo-text h1 {
        font-size: var(--font-size-lg);
    }
    
    .logo-subtitle {
        font-size: var(--font-size-xs);
    }
    
    /* Navigation */
    .hamburger {
        display: flex;
        position: absolute;
        top: 50%;
        right: var(--spacing-md);
        transform: translateY(-50%);
    }
    
    .nav-links {
        position: fixed;
        top: 140px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 140px);
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-xl);
        transition: left var(--transition-base);
        box-shadow: var(--shadow-lg);
        z-index: 999;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
        padding: var(--spacing-md);
        border-bottom: 1px solid rgba(79, 209, 199, 0.1);
        font-size: var(--font-size-lg);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    /* Hero Section */
    .hero-section {
        min-height: 400px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.1;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-actions {
        justify-content: center;
        gap: var(--spacing-md);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    /* 7 Principles */
    .principles-card {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        padding: var(--spacing-xl);
    }
    
    .principle-item {
        padding-left: var(--spacing-xl);
        font-size: var(--font-size-sm);
    }
    
    .principle-item::before {
        width: 25px;
        height: 25px;
        font-size: var(--font-size-xs);
    }
    
    .principle-img {
        height: 120px;
    }
    
    .img-content strong {
        font-size: var(--font-size-base);
    }
    
    .img-content span {
        font-size: var(--font-size-xs);
    }
    
    /* Team Grid */
    .team-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .member-photo {
        height: 250px;
    }
    
    .member-initials {
        font-size: 3rem;
    }
    
    .member-overlay {
        padding: var(--spacing-md);
    }
    
    .badge-name {
        font-size: var(--font-size-sm);
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .footer-left {
        align-items: center;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
}

/* Tablet Portrait (768px to 991px) */
@media (min-width: 768px) and (max-width: 991px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
    
    /* Header */
    .header-content {
        flex-wrap: wrap;
        justify-content: space-between;
    }
    
    /* Hero */
    .hero-title {
        font-size: 3rem;
    }
    
    /* 7 Principles */
    .principles-card {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    /* Team */
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-2xl);
    }
}

/* Tablet Landscape / Small Desktop (992px to 1199px) */
@media (min-width: 992px) and (max-width: 1199px) {
    /* 7 Principles */
    .principles-card {
        grid-template-columns: 3fr 2fr;
    }
    
    /* Team */
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Desktop (1200px and up) */
@media (min-width: 1200px) {
    /* 7 Principles */
    .principles-card {
        grid-template-columns: 2fr 1fr;
    }
    
    /* Team - 4 columns for exactly 4 members */
    .team-grid {
        grid-template-columns: repeat(4, 1fr);
        max-width: 1200px;
    }
}

/* Large Desktop (1400px and up) */
@media (min-width: 1400px) {
    :root {
        --container-max-width: 1400px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .section-title {
        font-size: 3rem;
    }
}

/* Landscape orientation on mobile devices */
@media (max-height: 500px) and (orientation: landscape) {
    .hero-section {
        min-height: 400px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-base);
    }
    
    .nav-links {
        height: calc(100vh - 80px);
        top: 80px;
    }
}

/* High DPI / Retina displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo-icon,
    .badge-icon {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Print styles */
@media print {
    .top-bar,
    .hamburger,
    .hero-actions,
    .btn {
        display: none !important;
    }
    
    .hero-section {
        min-height: auto;
        padding: var(--spacing-xl) 0;
        background: none !important;
    }
    
    .hero-background {
        display: none;
    }
    
    .hero-content {
        color: var(--text-primary) !important;
    }
    
    .principles-card {
        background: none !important;
        color: var(--text-primary) !important;
        box-shadow: none !important;
        border: 2px solid var(--primary-color);
    }
    
    .main-footer {
        background: none !important;
        color: var(--text-primary) !important;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .section-padding {
        padding: var(--spacing-xl) 0;
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* Accessibility - Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .hero-title,
    .hero-subtitle {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #008080;
        --secondary-color: #000080;
        --text-primary: #000000;
        --text-secondary: #333333;
    }
    
    .btn-outline {
        border-width: 3px;
    }
    
    .nav-link {
        border: 1px solid transparent;
    }
    
    .nav-link:focus,
    .nav-link.active {
        border-color: var(--primary-color);
        background-color: rgba(0, 128, 128, 0.1);
    }
    
    .team-member {
        border-width: 2px;
    }
    
    .principle-item::before {
        border-width: 3px;
    }
}

/* Focus styles for better accessibility */
@media (prefers-reduced-motion: no-preference) {
    .nav-link:focus,
    .btn:focus,
    .hamburger:focus {
        outline: 2px solid var(--primary-color);
        outline-offset: 2px;
    }
}

/* Dark mode - if needed in future */
@media (prefers-color-scheme: dark) {
    /* Dark mode styles can be added here if required */
    /* Currently maintaining light theme for brand consistency */
}