/* ============================================
   TechVault — Responsive Styles
   ============================================ */

/* Tablet */
/* Seven nav items plus the CTA get tight before the mobile breakpoint. */
@media (max-width: 1200px) {
    .nav__menu {
        gap: var(--space-5);
    }
}

@media (max-width: 1024px) {
    :root {
        --text-7xl: 3.5rem;
        --text-6xl: 3rem;
        --text-5xl: 2.5rem;
        --text-4xl: 2rem;
    }

    .nav__menu {
        gap: var(--space-4);
    }

    .pillars {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-4);
    }

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

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

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }

    .flagship__layout {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

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

    .service-detail__layout {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .cms-section__layout {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .about-intro__layout {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

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

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

    .contact-layout {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

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

    .logo-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .stats-bar__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8) var(--space-6);
    }

    .stats-bar__item:nth-child(2)::after {
        display: none;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --text-6xl: 2.5rem;
        --text-5xl: 2rem;
        --text-4xl: 1.75rem;
        --text-3xl: 1.5rem;
    }

    .work-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    /* The headline spans the full width on small screens, so the hero artwork
       needs an even wash rather than a left-weighted one. */
    .hero__bg::after {
        background:
            linear-gradient(180deg,
                rgba(10, 15, 30, 0.92) 0%,
                rgba(10, 15, 30, 0.86) 55%,
                rgba(10, 15, 30, 0.94) 100%);
    }

    .work-card__media {
        height: 220px;
    }

    .section {
        padding: var(--space-16) 0;
    }

    .section__header {
        margin-bottom: var(--space-10);
    }

    /* Mobile Nav */
    .nav__toggle {
        display: flex;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        height: 100vh;
        background: var(--color-primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-6);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        z-index: var(--z-overlay);
    }

    .nav__menu.is-open {
        opacity: 1;
        visibility: visible;
    }

    .nav__menu.is-open .nav__link {
        color: rgba(255, 255, 255, 0.75);
    }

    .nav__menu.is-open .nav__link:hover,
    .nav__menu.is-open .nav__link--active {
        color: var(--color-on-dark);
    }

    .nav__link {
        font-size: var(--text-xl);
    }

    .nav__toggle.is-open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav__toggle.is-open span:nth-child(2) {
        opacity: 0;
    }

    .nav__toggle.is-open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .nav__toggle.is-open span {
        color: var(--color-on-dark);
    }

    /* Hero */
    .hero {
        padding: calc(var(--space-32)) 0 var(--space-16);
        min-height: auto;
    }

    .hero__title {
        font-size: var(--text-5xl);
    }

    .hero__subtitle {
        font-size: var(--text-lg);
    }

    .hero__actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero__actions .btn {
        width: 100%;
        justify-content: center;
    }

    .hero__proof {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-4);
    }

    .hero__proof-divider {
        width: 40px;
        height: 1px;
    }

    /* Grids */
    .pillars {
        grid-template-columns: 1fr;
    }

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

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

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

    .flagship-capabilities {
        grid-template-columns: 1fr;
    }

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

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

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .about-stats-grid {
        grid-template-columns: 1fr;
    }

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

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

    .stats-bar__grid {
        grid-template-columns: 1fr 1fr;
    }

    .stats-bar__item::after {
        display: none !important;
    }

    .certifications {
        gap: var(--space-4);
    }

    .cookie-banner__content {
        flex-direction: column;
        text-align: center;
    }

    .cookie-banner__actions {
        justify-content: center;
    }

    .theme-toggle {
        margin-right: var(--space-2);
    }

    /* CTA */
    .cta-block {
        padding: var(--space-10) var(--space-6);
    }

    .cta-block__title {
        font-size: var(--text-3xl);
    }

    .cta-block__actions {
        flex-direction: column;
        align-items: center;
    }

    .cta-block__actions .btn {
        width: 100%;
    }

    /* Footer */
    .footer__bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }

    /* Page Hero */
    .page-hero {
        padding: calc(var(--space-32)) 0 var(--space-10);
    }

    .page-hero__title {
        font-size: var(--text-4xl);
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    :root {
        --text-6xl: 2rem;
        --text-5xl: 1.75rem;
        --text-4xl: 1.5rem;
    }

    .container {
        padding: 0 var(--space-4);
    }

    .service-card {
        padding: var(--space-6);
    }

    .hero__badge {
        font-size: 0.65rem;
    }
}