/* ============================================
   HUIHANCO - Responsive Styles
   ============================================ */

/* ============================================
   LARGE DESKTOP (1400px and above)
   ============================================ */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
    
    .hero-title {
        font-size: 5rem;
    }
    
    .section {
        padding: 100px 0;
    }
}

/* ============================================
   DESKTOP (1200px - 1399px)
   ============================================ */
@media (max-width: 1399px) {
    .container {
        max-width: 1140px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .footer-top {
        grid-template-columns: 2fr 1fr 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   TABLET LANDSCAPE (992px - 1199px)
   ============================================ */
@media (max-width: 1199px) {
    :root {
        --text-5xl: 2.5rem;
        --text-4xl: 2rem;
        --text-3xl: 1.75rem;
    }
    
    .container {
        max-width: 960px;
    }
    
    .header-container {
        padding: 0 var(--spacing-lg);
    }
    
    .nav-menu {
        gap: var(--spacing-lg);
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-stats {
        gap: var(--spacing-2xl);
    }
    
    .app-showcase {
        gap: var(--spacing-2xl);
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .content-grid {
        gap: var(--spacing-2xl);
    }
}

/* ============================================
   TABLET PORTRAIT (768px - 991px)
   ============================================ */
@media (max-width: 991px) {
    :root {
        --text-5xl: 2.25rem;
        --text-4xl: 1.875rem;
        --text-3xl: 1.5rem;
        --text-2xl: 1.25rem;
    }
    
    .container {
        max-width: 720px;
    }
    
    .header-container {
        height: 70px;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-md);
        box-shadow: var(--shadow-xl);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        display: block;
        padding: var(--spacing-md);
        text-align: center;
        border-radius: var(--radius-md);
    }
    
    .nav-link:hover {
        background: var(--off-white);
    }
    
    .nav-toggle {
        display: flex;
        cursor: pointer;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero {
        min-height: auto;
        padding: 140px 0 80px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: var(--text-lg);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: var(--spacing-xl);
    }
    
    .stat-item {
        flex: 1;
        min-width: 120px;
    }
    
    .stat-number {
        font-size: var(--text-3xl);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .app-showcase {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .app-features {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .app-feature {
        text-align: left;
    }
    
    .app-store-badges {
        justify-content: center;
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .content-grid-reverse {
        direction: ltr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-brand {
        grid-column: 1 / -1;
        max-width: 100%;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .page-header {
        padding: 140px 0 60px;
    }
    
    .page-header h1 {
        font-size: var(--text-4xl);
    }
}

/* ============================================
   MOBILE LANDSCAPE (576px - 767px)
   ============================================ */
@media (max-width: 767px) {
    :root {
        --text-5xl: 2rem;
        --text-4xl: 1.75rem;
        --text-3xl: 1.375rem;
        --text-2xl: 1.125rem;
        --text-xl: 1.125rem;
    }
    
    .container {
        max-width: 540px;
    }
    
    .section {
        padding: var(--spacing-3xl) 0;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-badge {
        font-size: var(--text-xs);
        padding: var(--spacing-xs) var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: var(--text-base);
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-lg);
    }
    
    .stat-item {
        width: 100%;
    }
    
    .stat-number {
        font-size: var(--text-2xl);
    }
    
    .section-header {
        margin-bottom: var(--spacing-2xl);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: var(--spacing-xl);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .feature-box {
        padding: var(--spacing-lg);
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
    }
    
    .feature-icon svg {
        width: 30px;
        height: 30px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .news-card {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 350px;
        margin: 0 auto;
    }
    
    .team-member {
        padding: var(--spacing-lg);
    }
    
    .team-avatar {
        width: 100px;
        height: 100px;
        font-size: var(--text-3xl);
    }
    
    .contact-info,
    .contact-form {
        padding: var(--spacing-xl);
    }
    
    .form-group input,
    .form-group textarea {
        padding: var(--spacing-sm);
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .footer-links {
        align-items: center;
    }
    
    .page-header {
        padding: 120px 0 50px;
    }
    
    .page-header h1 {
        font-size: var(--text-3xl);
    }
    
    .page-header p {
        font-size: var(--text-base);
    }
    
    .breadcrumb {
        flex-wrap: wrap;
    }
    
    .cta-content h2 {
        font-size: var(--text-2xl);
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .policy-content {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
    
    .policy-content h2 {
        font-size: var(--text-xl);
    }
    
    .policy-content h3 {
        font-size: var(--text-lg);
    }
}

/* ============================================
   MOBILE PORTRAIT (575px and below)
   ============================================ */
@media (max-width: 575px) {
    :root {
        --text-5xl: 1.875rem;
        --text-4xl: 1.5rem;
        --text-3xl: 1.25rem;
        --text-2xl: 1.125rem;
    }
    
    .container {
        width: 100%;
        padding: 0 var(--spacing-md);
    }
    
    .header-container {
        padding: 0 var(--spacing-md);
        height: 60px;
    }
    
    .logo svg {
        width: 36px;
        height: 36px;
    }
    
    .logo-text {
        font-size: var(--text-base);
    }
    
    .nav-menu {
        top: 60px;
    }
    
    .hero {
        padding: 100px 0 50px;
    }
    
    .hero-badge {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.7rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-description {
        font-size: var(--text-sm);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--text-sm);
    }
    
    .btn-lg {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: var(--text-base);
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .services-grid {
        gap: var(--spacing-md);
    }
    
    .service-card {
        padding: var(--spacing-lg);
    }
    
    .service-icon {
        width: 48px;
        height: 48px;
    }
    
    .service-icon svg {
        width: 24px;
        height: 24px;
    }
    
    .service-title {
        font-size: var(--text-lg);
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
    }
    
    .feature-icon svg {
        width: 24px;
        height: 24px;
    }
    
    .news-card {
        max-width: 100%;
    }
    
    .news-image {
        height: 160px;
    }
    
    .news-content {
        padding: var(--spacing-lg);
    }
    
    .news-title {
        font-size: var(--text-lg);
    }
    
    .app-store-badges {
        flex-direction: column;
        align-items: center;
    }
    
    .app-store-badges img {
        max-width: 150px;
    }
    
    .contact-info,
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    .contact-icon {
        width: 40px;
        height: 40px;
    }
    
    .contact-icon svg {
        width: 20px;
        height: 20px;
    }
    
    .footer {
        padding-top: var(--spacing-3xl);
    }
    
    .footer-top {
        padding-bottom: var(--spacing-2xl);
    }
    
    .page-header {
        padding: 100px 0 40px;
    }
    
    .page-header h1 {
        font-size: var(--text-2xl);
    }
    
    .cta-section {
        padding: var(--spacing-3xl) 0;
    }
    
    .cta-content h2 {
        font-size: var(--text-xl);
    }
    
    .cta-content p {
        font-size: var(--text-base);
    }
    
    .policy-content h2 {
        font-size: var(--text-lg);
        margin-top: var(--spacing-xl);
    }
    
    .policy-content h3 {
        font-size: var(--text-base);
        margin-top: var(--spacing-lg);
    }
    
    .policy-content p,
    .policy-content li {
        font-size: var(--text-sm);
    }
}

/* ============================================
   SPECIAL SCREEN SIZES
   ============================================ */

/* Extra Small Devices (320px and below) */
@media (max-width: 320px) {
    :root {
        --text-5xl: 1.5rem;
        --text-4xl: 1.375rem;
        --text-3xl: 1.125rem;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-stats {
        gap: var(--spacing-md);
    }
    
    .stat-number {
        font-size: var(--text-xl);
    }
    
    .stat-label {
        font-size: var(--text-xs);
    }
}

/* Large Tablets (1024px - 1200px) */
@media (min-width: 992px) and (max-width: 1200px) {
    .nav-menu {
        gap: var(--spacing-md);
    }
    
    .nav-link {
        font-size: var(--text-sm);
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .hero-actions,
    .cta-actions,
    .contact-form,
    .nav-toggle {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .hero {
        background: white !important;
        color: black;
        padding: 20px;
    }
    
    .hero-title,
    .hero-description,
    .stat-number,
    .stat-label {
        color: black;
    }
    
    .section {
        padding: 20px 0;
    }
    
    .service-card,
    .news-card,
    .team-member {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    a {
        color: black;
        text-decoration: underline;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .hero-shape,
    .hero-grid,
    .particle {
        animation: none !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0044AA;
        --primary-dark: #003388;
        --primary-light: #0055CC;
        --secondary-color: #008866;
        --white: #FFFFFF;
        --black: #000000;
        --light-gray: #CCCCCC;
        --dark-gray: #333333;
    }
    
    .btn-primary {
        border: 2px solid var(--white);
    }
    
    .service-card,
    .news-card,
    .team-member {
        border: 2px solid var(--black);
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --white: #0F172A;
        --off-white: #1E293B;
        --light-gray: #334155;
        --medium-gray: #94A3B8;
        --dark-gray: #CBD5E1;
        --charcoal: #F1F5F9;
        --black: #F8FAFC;
    }
    
    .header {
        background: rgba(15, 23, 42, 0.95);
    }
    
    .logo-text,
    .nav-link {
        color: var(--charcoal);
    }
    
    .service-card,
    .news-card,
    .team-member,
    .contact-info,
    .contact-form {
        background: var(--off-white);
    }
    
    .footer {
        background: #000000;
    }
}