/* ===== RESPONSIVE DESIGN ===== */

/* ===== LARGE DESKTOP (1536px+) ===== */
@media (min-width: 1536px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: var(--text-6xl);
    }
    
    .section-title {
        font-size: var(--text-5xl);
    }
}

/* ===== DESKTOP (1280px - 1535px) ===== */
@media (max-width: 1535px) {
    .container {
        max-width: 1200px;
    }
}

/* ===== LAPTOP (1024px - 1279px) ===== */
@media (max-width: 1279px) {
    .container {
        max-width: 1000px;
    }
    
    .hero-content {
        gap: var(--space-12);
    }
    
    .features-grid,
    .tools-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .posts-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }
}

/* ===== TABLET (768px - 1023px) ===== */
@media (max-width: 1023px) {
    :root {
        --container-padding: var(--space-6);
    }
    
    .container {
        max-width: 100%;
    }
    
    /* Header */
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-white);
        display: flex;
        align-items: center;
        justify-content: center;
        transform: translateX(100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        z-index: 1000;
    }
    
    .nav-menu.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--space-6);
        text-align: center;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        display: block;
        padding: var(--space-4) var(--space-6);
        font-size: var(--text-lg);
        border-radius: var(--radius-lg);
        background: var(--bg-gray);
        text-align: center;
        min-width: 200px;
    }
    
    .nav-link::after {
        display: none;
    }
    
    .nav-link:hover {
        background: var(--primary-color);
        color: var(--bg-white);
    }
    
    /* Hero Section */
    .hero {
        padding: var(--space-16) 0;
        margin-top: 80px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--text-4xl);
        line-height: 1.2;
    }
    
    .hero-description {
        font-size: var(--text-lg);
        max-width: 600px;
        margin: 0 auto;
    }
    
    .hero-buttons {
        justify-content: center;
        gap: var(--space-4);
    }
    
    .hero-graphic {
        max-width: 400px;
        margin: 0 auto;
    }
    
    /* Sections */
    .section {
        padding: var(--space-16) 0;
    }
    
    .section-title {
        font-size: var(--text-3xl);
    }
    
    .section-description {
        font-size: var(--text-base);
    }
    
    /* Content Grid */
    .content-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
        text-align: center;
    }
    
    .content-text {
        max-width: 100%;
    }
    
    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    /* Features */
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--space-6);
    }
    
    /* Mission */
    .mission-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    /* Values */
    .values-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--space-6);
    }
    
    /* Team */
    .team-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--space-6);
    }
    
    /* Tools */
    .tools-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--space-6);
    }
    
    /* Posts */
    .posts-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: var(--space-6);
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--space-6);
    }
    
    /* CTA */
    .cta-title {
        font-size: var(--text-3xl);
    }
    
    .cta-description {
        font-size: var(--text-lg);
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* ===== MOBILE LARGE (640px - 767px) ===== */
@media (max-width: 767px) {
    :root {
        --container-padding: var(--space-4);
    }
    
    /* Header */
    .header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1002;
        background: var(--bg-white);
        box-shadow: var(--shadow-sm);
    }
    
    .navbar {
        padding: var(--space-3) 0;
    }
    
    .logo-text {
        font-size: var(--text-xl);
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1003;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-white);
        display: flex;
        align-items: center;
        justify-content: center;
        transform: translateX(100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        z-index: 1001;
    }
    
    .nav-menu.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
        padding: var(--space-4);
    }
    
    .nav-link {
        display: block;
        padding: var(--space-3) var(--space-4);
        font-size: var(--text-base);
        border-radius: var(--radius-lg);
        background: var(--bg-gray);
        text-align: center;
        min-width: 180px;
    }
    
    /* Typography */
    .hero-title {
        font-size: var(--text-3xl);
        line-height: 1.1;
        margin-bottom: var(--space-4);
    }
    
    .section-title {
        font-size: var(--text-2xl);
    }
    
    .page-title {
        font-size: var(--text-3xl);
    }
    
    .page-subtitle {
        font-size: var(--text-lg);
    }
    
    /* Spacing */
    .hero {
        padding: var(--space-12) 0;
        margin-top: 70px;
    }
    
    .section {
        padding: var(--space-12) 0;
    }
    
    .page-header {
        padding: var(--space-16) 0 var(--space-12);
        margin-top: 70px;
    }
    
    /* Hero */
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }
    
    .hero-description {
        font-size: var(--text-base);
        max-width: 500px;
        margin: 0 auto var(--space-6);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--space-3);
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .hero-graphic {
        max-width: 320px;
        margin: 0 auto;
    }
    
    /* Features */
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        padding: var(--space-6);
    }
    
    /* Mission */
    .mission-card {
        padding: var(--space-6);
    }
    
    /* Values */
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    /* Team */
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    /* Tools */
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    /* Posts */
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    /* Contact Form */
    .contact-form-container {
        padding: var(--space-6);
    }
    
    .form-title {
        font-size: var(--text-xl);
    }
    
    /* Contact Info */
    .info-card {
        padding: var(--space-4);
    }
    
    /* Footer */
    .footer {
        padding: var(--space-12) 0 var(--space-6);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    /* CTA */
    .cta-title {
        font-size: var(--text-2xl);
    }
    
    .cta-description {
        font-size: var(--text-base);
    }
}

/* ===== MOBILE MEDIUM (480px - 639px) ===== */
@media (max-width: 639px) {
    /* Typography */
    .hero-title {
        font-size: var(--text-2xl);
    }
    
    .section-title {
        font-size: var(--text-xl);
    }
    
    .page-title {
        font-size: var(--text-2xl);
    }
    
    /* Spacing */
    .hero {
        padding: var(--space-10) 0;
    }
    
    .section {
        padding: var(--space-10) 0;
    }
    
    .page-header {
        padding: var(--space-12) 0 var(--space-10);
    }
    
    /* Cards */
    .feature-card,
    .mission-card,
    .tool-card,
    .team-member {
        padding: var(--space-4);
    }
    
    /* Contact */
    .contact-form-container {
        padding: var(--space-4);
    }
    
    /* Buttons */
    .btn {
        padding: var(--space-3) var(--space-4);
        font-size: var(--text-sm);
    }
    
    /* Form */
    .form-input,
    .form-select,
    .form-textarea {
        padding: var(--space-2) var(--space-3);
        font-size: var(--text-sm);
    }
    
    /* FAQ */
    .faq-question {
        font-size: var(--text-base);
        padding: var(--space-4) 0;
    }
}

/* ===== MOBILE SMALL (320px - 479px) ===== */
@media (max-width: 479px) {
    :root {
        --container-padding: var(--space-3);
    }
    
    /* Typography */
    .hero-title {
        font-size: var(--text-xl);
    }
    
    .section-title {
        font-size: var(--text-lg);
    }
    
    .page-title {
        font-size: var(--text-xl);
    }
    
    .page-subtitle {
        font-size: var(--text-base);
    }
    
    /* Spacing */
    .hero {
        padding: var(--space-8) 0;
    }
    
    .section {
        padding: var(--space-8) 0;
    }
    
    .page-header {
        padding: var(--space-10) 0 var(--space-8);
    }
    
    /* Header */
    .navbar {
        padding: var(--space-3) 0;
    }
    
    .logo-text {
        font-size: var(--text-xl);
    }
    
    /* Hero */
    .hero-description {
        font-size: var(--text-sm);
    }
    
    .hero-graphic {
        max-width: 300px;
        height: 200px;
    }
    
    .chart-bars {
        height: 120px;
    }
    
    .chart-bars .bar {
        width: 24px;
    }
    
    /* Cards */
    .feature-card,
    .mission-card,
    .tool-card,
    .team-member,
    .info-card {
        padding: var(--space-3);
    }
    
    /* Icons */
    .feature-icon,
    .mission-icon {
        width: 60px;
        height: 60px;
    }
    
    .tool-icon {
        width: 48px;
        height: 48px;
    }
    
    .info-icon {
        width: 48px;
        height: 48px;
    }
    
    /* Contact */
    .contact-form-container {
        padding: var(--space-3);
    }
    
    .form-title {
        font-size: var(--text-lg);
    }
    
    /* Team */
    .member-photo {
        width: 100px;
        height: 100px;
    }
    
    /* Footer */
    .footer {
        padding: var(--space-8) 0 var(--space-4);
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* CTA */
    .cta-title {
        font-size: var(--text-xl);
    }
    
    .cta-description {
        font-size: var(--text-sm);
    }
}

/* ===== LANDSCAPE ORIENTATION ===== */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        padding: var(--space-8) 0;
    }
    
    .hero-content {
        gap: var(--space-8);
    }
    
    .hero-title {
        font-size: var(--text-2xl);
        margin-bottom: var(--space-4);
    }
    
    .hero-description {
        font-size: var(--text-base);
        margin-bottom: var(--space-6);
    }
    
    .hero-graphic {
        max-width: 250px;
        height: 150px;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    .header,
    .nav-toggle,
    .footer,
    .btn,
    .social-links {
        display: none !important;
    }
    
    .main {
        margin-top: 0 !important;
    }
    
    .page-header {
        background: none !important;
        border-bottom: 2px solid black;
    }
    
    .section {
        page-break-inside: avoid;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
    
    a[href^="http"]:after {
        content: " (" attr(href) ")";
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero::before,
    .feature-card::before,
    .btn::before {
        display: none;
    }
}

/* ===== HIGH CONTRAST MODE ===== */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000080;
        --accent-color: #008000;
        --text-color: #000000;
        --bg-color: #ffffff;
        --border-color: #000000;
    }
    
    .btn {
        border-width: 3px;
    }
    
    .nav-link::after {
        height: 3px;
    }
}

/* ===== DARK MODE SUPPORT ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #3b82f6;
        --primary-light: #60a5fa;
        --primary-dark: #2563eb;
        --accent-color: #10b981;
        --accent-light: #34d399;
        --text-color: #e5e7eb;
        --text-light: #9ca3af;
        --text-dark: #f9fafb;
        --bg-color: #111827;
        --bg-white: #1f2937;
        --bg-gray: #374151;
        --bg-dark: #000000;
        --border-color: #374151;
        --border-light: #4b5563;
        --border-dark: #6b7280;
    }
    
    .hero::before,
    .page-header::before {
        background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
    }
    
    .placeholder-image {
        background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    }
    
    .image-placeholder,
    .map-placeholder {
        background: var(--bg-gray);
        border-color: var(--border-color);
    }
}