/**
 * North Head Digital - Responsive Styles
 * Mobile and tablet optimizations, breakpoints, and adaptive layouts
 */

/* ===== MOBILE NAVIGATION ===== */

@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--space-lg);
    }
    
    .hamburger {
        display: flex;
        cursor: auto;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(26, 32, 44, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--space-2xl);
        transition: right 400ms var(--elastic);
        gap: var(--space-lg);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        padding: 16px 0;
        font-size: 20px;
        color: var(--white);
    }
    
    .nav-link-portal {
        padding: 12px 24px;
        font-size: 16px;
        margin-top: var(--space-md);
        border-radius: 8px;
        text-align: center;
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nav-link-portal:hover {
        transform: translateY(-1px);
    }
}

/* ===== CURSOR ADAPTATIONS ===== */

@media (max-width: 768px) {
    html, body {
        cursor: auto;
    }
    
    .cursor, .cursor-follower {
        display: none;
    }
}

/* ===== CONTAINER ADAPTATIONS ===== */

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-lg);
    }
}

/* ===== HERO SECTION RESPONSIVE ===== */

@media (max-width: 768px) {
    .hero {
        min-height: 100vh;
        padding: 100px 0 var(--space-4xl);
    }
    
    .hero h1 {
        font-size: clamp(32px, 8vw, 48px);
        margin-bottom: var(--space-lg);
    }
    
    .hero-subtitle {
        font-size: clamp(16px, 4vw, 20px);
        margin-bottom: var(--space-2xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
}

/* ===== BACKGROUND ELEMENTS RESPONSIVE ===== */

@media (max-width: 768px) {
    /* Mobile visual enhancements */
    .orb-1, .orb-2, .orb-3 {
        opacity: 0.3;
        filter: blur(60px);
    }
    
    .floating-element {
        display: none;
    }
    
    .hero-visual {
        opacity: 0.5;
    }
    
    .hero-visual-1 {
        width: 1px;
        height: 60px;
    }
    
    .hero-visual-2 {
        width: 60px;
        height: 1px;
    }
    
    .hero-visual-3 {
        width: 40px;
        height: 40px;
    }
    
    .hero-visual-4 {
        width: 25px;
        height: 25px;
    }
}

@media (max-width: 480px) {
    .orb-1, .orb-2, .orb-3 {
        display: none;
    }
    
    .hero-visual {
        display: none;
    }
    
    .nav-link-portal {
        padding: 10px 20px;
        font-size: 14px;
        margin-top: var(--space-sm);
        border-radius: 8px;
    }
}

/* ===== CARD COMPONENTS RESPONSIVE ===== */

@media (max-width: 768px) {
    .feature-card:hover,
    .pricing-card:hover,
    .stat-card:hover {
        transform: translateY(-4px) scale(1.01);
    }
    
    .feature-card,
    .pricing-card {
        padding: var(--space-lg);
    }
    
    .step-number {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .feature-card,
    .pricing-card {
        padding: var(--space-md);
    }
    
    .feature-icon,
    .industry-icon,
    .value-icon {
        width: 48px;
        height: 48px;
    }
    
    .feature-icon svg,
    .industry-icon svg,
    .value-icon svg {
        width: 24px;
        height: 24px;
    }
}

/* ===== GRID LAYOUTS RESPONSIVE ===== */

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .industries-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .values-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .case-studies-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

@media (max-width: 480px) {
    .services-grid,
    .pricing-grid,
    .industries-grid,
    .values-grid,
    .case-studies-grid {
        gap: var(--space-md);
    }
}

/* ===== METHODOLOGY RESPONSIVE ===== */

@media (max-width: 768px) {
    .methodology-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .methodology-step {
        flex-direction: column;
        text-align: center;
        margin-bottom: var(--space-xl);
    }
    
    .step-number {
        margin-right: 0;
        margin-bottom: var(--space-md);
    }
    
    .progress-step {
        flex-direction: column;
        text-align: center;
        margin-bottom: var(--space-xl);
    }
}

/* ===== ABOUT SECTION RESPONSIVE ===== */

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }
}

@media (max-width: 480px) {
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
}

/* ===== CONTACT SECTION RESPONSIVE ===== */

@media (max-width: 768px) {
    .contact-container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .contact-form {
        order: 2;
    }
    
    .contact-info {
        order: 1;
    }
}

/* ===== FOOTER RESPONSIVE ===== */

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }
    
    .social-links {
        justify-content: center;
    }
}

/* ===== FILTER TABS RESPONSIVE ===== */

@media (max-width: 768px) {
    .filter-tabs {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .filter-tab {
        width: 100%;
        text-align: center;
    }
}

/* ===== TYPOGRAPHY RESPONSIVE ===== */

@media (max-width: 768px) {
    h1 {
        font-size: clamp(28px, 8vw, 42px);
        line-height: 1.2;
    }
    
    h2 {
        font-size: clamp(24px, 6vw, 36px);
        line-height: 1.3;
    }
    
    h3 {
        font-size: clamp(20px, 5vw, 28px);
        line-height: 1.4;
    }
    
    h4 {
        font-size: clamp(18px, 4vw, 24px);
        line-height: 1.4;
    }
    
    p {
        font-size: 16px;
        line-height: 1.6;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: clamp(24px, 7vw, 32px);
    }
    
    h2 {
        font-size: clamp(20px, 5vw, 28px);
    }
    
    h3 {
        font-size: clamp(18px, 4vw, 24px);
    }
    
    h4 {
        font-size: clamp(16px, 3vw, 20px);
    }
}

/* ===== SPACING RESPONSIVE ===== */

@media (max-width: 768px) {
    .section-header {
        margin-bottom: var(--space-2xl);
    }
    
    .section-header h2 {
        margin-bottom: var(--space-md);
    }
    
    .section-header p {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .section-header {
        margin-bottom: var(--space-xl);
    }
    
    .section-header h2 {
        margin-bottom: var(--space-sm);
    }
}

/* ===== BUTTON RESPONSIVE ===== */

@media (max-width: 768px) {
    .btn {
        padding: 16px 32px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 14px 28px;
        font-size: 14px;
    }
}

/* ===== FORM RESPONSIVE ===== */

@media (max-width: 768px) {
    .contact-form {
        padding: var(--space-xl);
    }
    
    .form-input {
        height: 48px;
        font-size: 16px;
    }
    
    .form-textarea {
        min-height: 120px;
    }
}

@media (max-width: 480px) {
    .contact-form {
        padding: var(--space-lg);
    }
    
    .form-input {
        height: 44px;
        font-size: 16px;
    }
}

/* ===== STAT CARDS RESPONSIVE ===== */

@media (max-width: 768px) {
    .case-study-stats {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .stat {
        text-align: center;
    }
}

/* ===== INFO ITEMS RESPONSIVE ===== */

@media (max-width: 768px) {
    .info-item {
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }
    
    .info-icon {
        margin: 0 auto;
    }
}

/* ===== CALENDAR WIDGET RESPONSIVE ===== */

@media (max-width: 768px) {
    .calendar-widget {
        padding: var(--space-lg);
    }
    
    .calendar-placeholder {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .calendar-placeholder {
        height: 150px;
        font-size: 12px;
    }
}

/* ===== ACCESSIBILITY RESPONSIVE ===== */

@media (max-width: 768px) {
    /* Ensure touch targets are at least 44px */
    .btn,
    .filter-tab,
    .nav-link,
    .hamburger {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Improve focus visibility on mobile */
    *:focus-visible {
        outline: 3px solid var(--primary);
        outline-offset: 2px;
        border-radius: 4px;
    }
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */

@media (max-width: 768px) {
    /* Reduce animation complexity on mobile */
    .orb {
        animation-duration: 60s;
    }
    
    .floating-element {
        animation-duration: 30s;
    }
    
    /* Optimize backdrop filters for mobile */
    .feature-card,
    .pricing-card,
    .industry-card,
    .value-card,
    .case-study-card,
    .stat-card,
    .contact-form {
        backdrop-filter: blur(5px);
    }
}

@media (max-width: 480px) {
    /* Further reduce animations on small screens */
    .orb {
        display: none;
    }
    
    .particle {
        animation-duration: 10s;
    }
    
    /* Simplify backdrop filters */
    .feature-card,
    .pricing-card,
    .industry-card,
    .value-card,
    .case-study-card,
    .stat-card,
    .contact-form {
        backdrop-filter: none;
        background: rgba(255, 255, 255, 0.1);
    }
}