/* ============================================
   Responsive Styles
   ============================================ */

/* Mobile First - Default Styles (below 768px) */
@media (max-width: 768px) {
    /* Header - Mobile view: show hamburger on right side */
    .nav-toggle {
        display: flex !important;
        flex-direction: column;
        gap: 5px;
        width: 35px;
        height: 35px;
        position: fixed;
        top: 15px;
        right: 20px;
        z-index: 999;
        cursor: pointer;
        border-radius: 50%;
        transition: all var(--transition-fast);
        padding: var(--spacing-sm);
        background: transparent;
    }

    .nav-toggle:hover {
        background: rgba(41, 182, 246, 0.1);
    }

    .nav-toggle:active {
        background: rgba(41, 182, 246, 0.2);
    }

    /* Mobile Menu - Hidden by default, fade in when active */
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(10, 22, 40, 0.98);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        opacity: 0;
        transform: translateY(-100%);
        transition: opacity var(--transition-slow), transform var(--transition-slow);
        z-index: 999;
        border-bottom: 1px solid rgba(41, 182, 246, 0.2);
        overflow: hidden;
    }

    .nav-menu.active {
        opacity: 1;
        transform: translateY(0);
    }

    .nav-link {
        color: var(--light-gray);
        font-size: 1rem;
        padding: var(--spacing-md);
        text-align: center;
        border-radius: var(--radius-md);
        transition: all var(--transition-fast);
    }

    .nav-link:active {
        transform: scale(0.98);
        opacity: 0.8;
    }

    .nav-link::after {
        display: none;
    }

    .header-actions {
        gap: var(--spacing-sm);
    }

    .header-actions .theme-toggle {
        display: flex;
    }

    /* Hero - Mobile: Full viewport height with proper centering */
    .hero {
        padding: 0 var(--spacing-lg);
        min-height: 100vh;
        margin-top: 80px;
    }

    .hero-content {
        margin-top: var(--spacing-xl);
    }

    .hero-content {
        padding: var(--spacing-lg);
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .hero-cta {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: 1rem;
    }

    /* Solutions */
    .solutions {
        padding: var(--spacing-2xl) 0;
    }

    .solutions-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    /* Services */
    .services {
        padding: var(--spacing-2xl) 0;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    /* About */
    .about {
        padding: var(--spacing-2xl) 0;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .about-content {
        margin-bottom: var(--spacing-xl);
    }

    .values-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .about-cta {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 0.9rem;
    }

    /* Contact */
    .contact {
        padding: var(--spacing-2xl) 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        padding: var(--spacing-xl);
    }

    .contact-info {
        flex-direction: row;
        justify-content: flex-start;
        text-align: left;
        flex-wrap: wrap;
    }

    .info-item {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
        margin-bottom: var(--spacing-lg);
    }

    .info-item h4 {
        margin-bottom: var(--spacing-xs);
    }

    .info-item p {
        font-size: 0.9rem;
    }

    .social-links {
        justify-content: center;
        margin-top: var(--spacing-md);
    }

    /* Footer */
    .footer {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }

    .footer-brand p {
        font-size: 0.9rem;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-form button {
        width: 100%;
        height: 45px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .footer-legal {
        gap: var(--spacing-lg);
    }
}

/* Tablet - 768px to 1024px */
@media (min-width: 768px) and (max-width: 1024px) {
    .nav-menu {
        padding: var(--spacing-md);
    }

    .nav-link {
        font-size: 0.95rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .values-grid {
        grid-template-columns: 1fr 1fr 1fr 1fr;
    }
}

/* Desktop - 1024px and above */
@media (min-width: 1024px) {
    .hero-content {
        padding: var(--spacing-3xl);
    }

    .section-header {
        padding: 0 var(--spacing-lg);
    }

    .contact-grid {
        gap: var(--spacing-2xl);
        padding: var(--spacing-3xl);
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
        gap: var(--spacing-2xl);
    }

    /* Optional: Hide hamburger menu on desktop */
    .nav-toggle {
        display: none;
    }
}

/* Large Desktop - 1440px and above */
@media (min-width: 1440px) {
    .container {
        max-width: 1320px;
    }

    .hero {
        padding: calc(120px + 80px) var(--spacing-2xl) var(--spacing-3xl);
    }

    .section-title {
        font-size: clamp(2rem, 4vw, 3rem);
    }
}

/* Ultra-wide */
@media (min-width: 1920px) {
    .container {
        max-width: 1600px;
    }

    .hero {
        padding: calc(120px + 80px) var(--spacing-3xl) var(--spacing-3xl);
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .header {
        background-size: 200% 200%;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .hero-cta,
    .theme-toggle,
    .nav-toggle {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: 40px 0;
        background: white;
    }

    body {
        font-size: 12pt;
        color: black;
        background: white;
    }

    a {
        color: black;
        text-decoration: underline;
    }

    .solution-card,
    .service-card {
        page-break-inside: avoid;
    }
}