/* ==========================================================================
   ShadowTech — Responsive Breakpoints
   Desktop-first overrides: 1440, 1200, 1024, 768, 480, 375
   ========================================================================== */

/* ==========================================================================
   1440px — Large Desktop
   ========================================================================== */

@media (max-width: 1440px) {
    .container-wide {
        max-width: 1200px;
    }
}

/* ==========================================================================
   1200px — Standard Desktop
   ========================================================================== */

@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }

    .container-wide {
        max-width: 1000px;
    }

    .nav-menu li a {
        font-size: 0.7rem;
        padding: 8px 6px;
        letter-spacing: 1px;
    }

    .nav-menu {
        gap: 4px;
    }

    .nav-cta {
        padding: 8px 18px;
        font-size: 0.7rem;
    }
}

/* ==========================================================================
   1024px — Tablet Landscape / Nav Collapse
   ========================================================================== */

@media (max-width: 1024px) {

    /* Navigation → Hamburger */
    .nav-menu-wrap {
        display: none;
    }

    .nav-actions .nav-cta {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    /* Logo size on tablet */
    .site-logo img {
        max-height: 35px;
    }

    .nav-auth {
        display: none;
    }

    /* Services grid → 2 column */
    .services-grid .service-card {
        flex: 0 1 calc(50% - 15px);
    }

    /* Grids: 4-col → 2-col */
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Section padding reduced */
    .section,
    .section-padding {
        padding: 80px 0;
    }

    /* Two-column layout */
    .two-col {
        gap: 40px;
    }

    /* Hero */
    .hero-content {
        max-width: 650px;
    }

    /* Stat blocks in 2-col */
    .stat-block .stat-value {
        font-size: 2.5rem;
    }
}

/* ==========================================================================
   768px — Tablet Portrait
   ========================================================================== */

@media (max-width: 768px) {

    /* All grids → single column */
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    /* Two-column → stack */
    .two-col {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .two-col-reversed {
        direction: ltr;
    }

    /* Section spacing */
    .section,
    .section-padding {
        padding: var(--section-padding-mobile) 0;
    }

    /* Consulting blocks stack */
    .consulting-block {
        flex-direction: column;
        gap: 20px;
    }

    /* Blog grid single column */
    .blog-grid {
        grid-template-columns: 1fr;
    }

    /* Form half rows stack */
    .shadowtech-form .form-row-half {
        grid-template-columns: 1fr;
    }

    /* Stat cards */
    .stat-card {
        padding: 30px 24px;
    }

    /* Cert cards */
    .cert-card {
        padding: 24px 20px;
    }

    /* Heading gap */
    .section-heading {
        margin-bottom: 40px;
    }

    /* Hero adjustments */
    .hero-sub {
        min-height: 50vh;
    }

    .hero-shield {
        max-width: 120px;
        margin-bottom: 20px;
    }

    .hero-subtitle {
        letter-spacing: 4px;
        font-size: 0.8rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn-primary-outline,
    .hero-buttons .btn-accent {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }

    /* Image card grid → single column */
    .image-card-grid {
        grid-template-columns: 1fr;
    }

    /* Services grid → single column */
    .services-grid .service-card {
        flex: 0 1 100%;
        max-width: 100%;
    }

    .image-card {
        min-height: 40vh;
    }

    /* Footer stacking */
    .footer-inner {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }

    .footer-brand {
        align-items: center;
    }

    .footer-badge {
        justify-content: center;
    }

    .footer-social {
        justify-content: center;
    }

    /* Form rows → single column */
    .form-row,
    .contact-form .form-row {
        grid-template-columns: 1fr;
    }

    /* Contact info stack */
    .contact-info {
        flex-direction: column;
        align-items: center;
    }

    .contact-info-item {
        max-width: 100%;
        width: 100%;
    }

    /* CTA section */
    .cta-section {
        padding: 60px 0;
    }

    /* Cards: full padding */
    .service-card,
    .support-card,
    .benefit-card,
    .stat-block {
        padding: 30px 24px;
    }

    .cert-badge {
        padding: 24px 20px;
    }
}

/* ==========================================================================
   480px — Mobile Landscape / Small Screens
   ========================================================================== */

@media (max-width: 480px) {

    /* Tighter container padding */
    .container,
    .container-wide {
        padding: 0 16px;
    }

    /* Section padding */
    .section,
    .section-padding {
        padding: 50px 0;
    }

    /* Training items stack */
    .training-item {
        flex-direction: column;
        gap: 4px;
    }

    .training-code {
        min-width: auto;
    }

    /* Typography scale down */
    .hero-subtitle {
        letter-spacing: 3px;
        font-size: 0.75rem;
    }

    .uppercase-spaced {
        letter-spacing: 4px;
        font-size: 0.8rem;
    }

    /* Mobile menu text */
    .mobile-menu-overlay nav a {
        font-size: 1.25rem;
    }

    /* Button sizes */
    .btn-primary-outline,
    .btn-accent {
        padding: 12px 28px;
        font-size: 0.8rem;
    }

    /* Card adjustments */
    .service-card,
    .support-card,
    .benefit-card {
        padding: 24px 20px;
    }

    .service-card .service-icon,
    .support-card .support-icon {
        font-size: 2rem;
    }

    /* Image cards shorter */
    .image-card {
        min-height: 35vh;
    }

    .image-card-title {
        font-size: clamp(1.5rem, 4vw, 2rem);
    }

    /* Stat blocks */
    .stat-block .stat-value {
        font-size: 2rem;
    }

    /* CTA */
    .cta-section {
        padding: 50px 0;
    }

    /* Footer */
    .site-footer {
        padding: 30px 0;
    }

    /* Back to top */
    .back-to-top {
        bottom: 20px;
        right: 20px;
    }
}

/* ==========================================================================
   375px — Minimum Supported Width
   ========================================================================== */

@media (max-width: 375px) {

    .container,
    .container-wide {
        padding: 0 12px;
    }

    .hero-content {
        padding: 0 12px;
    }

    .section,
    .section-padding {
        padding: 40px 0;
    }

    .section-heading {
        margin-bottom: 30px;
    }

    .hero-subtitle {
        letter-spacing: 2px;
    }

    .mobile-menu-overlay nav a {
        font-size: 1.1rem;
    }

    .training-list li {
        gap: 12px;
        padding: 16px 0;
    }
}

/* ==========================================================================
   Touch Target Safety
   Ensure interactive elements meet 44px minimum tap target
   ========================================================================== */

@media (pointer: coarse) {
    .nav-menu a {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }

    .footer-social a {
        min-width: 44px;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .service-card .service-link,
    .support-card .support-link {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }

    .btn-primary-outline,
    .btn-accent {
        min-height: 44px;
    }
}