/* ==========================================================================
   NIFELUX TECHNOLOGIES - RESPONSIVE STYLES
   ========================================================================== */

/* ---------- LARGE DESKTOP (1400px+) ---------- */
@media (min-width: 1400px) {
    :root {
        --container-max: 1380px;
        --fs-5xl: 4.5rem;
    }
}

/* ---------- DESKTOP (1024px - 1399px) ---------- */
@media (max-width: 1399px) {
    .hero-heading {
        font-size: clamp(2.5rem, 5vw, 3.5rem);
    }

    .footer-grid {
        gap: var(--space-2xl);
    }
}

/* ---------- TABLET / SMALL LAPTOP (768px - 1023px) ---------- */
@media (max-width: 1023px) {
    :root {
        --space-4xl: 4rem;
        --space-3xl: 3rem;
    }

    /* Mobile nav toggle visible */
    .navbar-toggle {
        display: flex;
    }

    /* Slide-out drawer */
    .navbar-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 320px;
        max-width: 85vw;
        height: 100vh;
        background: var(--color-bg-secondary);
        border-left: 1px solid var(--color-border);
        padding: 100px 24px 32px;
        transform: translateX(100%);
        transition: transform var(--transition-spring);
        z-index: calc(var(--z-navbar) - 1);
        overflow-y: auto;
        overflow-x: hidden;
    }

    .navbar-menu.open {
        transform: translateX(0);
        box-shadow: -20px 0 60px rgba(0, 0, 0, 0.5);
    }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-xs);
    }

    .nav-link {
        padding: 14px 16px;
        font-size: var(--fs-base);
        width: 100%;
        justify-content: space-between;
    }

    .navbar-cta {
        display: none;
    }

    /* ---------------------------------------------------------
       DROPDOWN → IN-FLOW ACCORDION (fixed specificity)
       These selectors match/beats the desktop hover/open rules
       so translateX(-50%) can never leak into mobile.
       --------------------------------------------------------- */
    .nav-dropdown .dropdown-menu,
    .nav-dropdown:hover .dropdown-menu,
    .nav-dropdown.open .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        display: none;
        background: rgba(255, 255, 255, 0.03);
        border: none;
        border-radius: var(--radius-md);
        box-shadow: none;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        min-width: 0;
        width: 100%;
        margin: 6px 0;
        padding: 4px 0 4px 12px;
    }

    .nav-dropdown.open .dropdown-menu {
        display: block;
        animation: dropdownSlide 0.25s ease;
    }

    @keyframes dropdownSlide {
        from { opacity: 0; transform: translateY(-6px); }
        to   { opacity: 1; transform: translateY(0); }
    }

    .dropdown-menu a {
        padding: 12px 14px;
        font-size: var(--fs-sm);
        width: 100%;
        display: block;
    }

    /* Hero stacks */
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }

    .hero-badge {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        max-width: 400px;
        order: -1;
    }

    .nira-showcase {
        grid-template-columns: 1fr;
        padding: var(--space-2xl);
        text-align: center;
    }

    .nira-visual {
        order: -1;
        max-width: 300px;
    }

    .nira-features {
        grid-template-columns: 1fr;
        text-align: left;
    }

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

    .footer-brand {
        grid-column: 1 / -1;
        max-width: 100%;
    }
}

/* ---------- MOBILE (up to 767px) ---------- */
@media (max-width: 767px) {
    :root {
        --container-padding: 1.25rem;
        --space-4xl: 3.5rem;
        --space-3xl: 2.5rem;
        --fs-4xl: 2.25rem;
        --fs-3xl: 2rem;
    }

    html {
        font-size: 15px;
    }

    .section {
        padding: var(--space-3xl) 0;
    }

    .section-header {
        margin-bottom: var(--space-2xl);
    }

    .section-title {
        font-size: var(--fs-3xl);
    }

    .section-subtitle {
        font-size: var(--fs-base);
    }

    /* Navbar mobile */
    .navbar {
        padding: var(--space-md) 0;
    }

    .navbar.scrolled {
        padding: var(--space-sm) 0;
    }

    .logo-icon {
        width: 30px;
        height: 30px;
    }

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

    /* Hero mobile */
    .hero {
        padding-top: 100px;
        padding-bottom: var(--space-3xl);
        min-height: auto;
    }

    .hero-heading {
        font-size: clamp(2rem, 7vw, 2.5rem);
        margin-bottom: var(--space-lg);
    }

    .hero-subtitle {
        font-size: var(--fs-base);
        margin-bottom: var(--space-xl);
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-stats {
        gap: var(--space-xl);
    }

    .stat-number {
        font-size: var(--fs-xl);
    }

    .hero-visual {
        max-width: 300px;
    }

    .hero-scroll-indicator {
        display: none;
    }

    /* Grids collapse */
    .technologies-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .tech-card {
        padding: var(--space-xl);
    }

    .nira-showcase {
        padding: var(--space-xl);
    }

    .nira-features {
        grid-template-columns: 1fr;
    }

    .nira-visual {
        max-width: 250px;
    }

    .projects-grid,
    .projects-grid-full,
    .news-grid {
        grid-template-columns: 1fr;
    }

    .cta-box {
        padding: var(--space-2xl) var(--space-xl);
    }

    .cta-title {
        font-size: var(--fs-2xl);
    }

    .cta-desc {
        font-size: var(--fs-base);
    }

    /* Footer mobile */
    .footer {
        padding: var(--space-3xl) 0 var(--space-lg);
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

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

    /* Toast mobile */
    .toast-container {
        top: auto;
        bottom: 24px;
        right: 16px;
        left: 16px;
        max-width: none;
        width: auto;
    }

    .toast {
        padding: 14px 16px;
    }

    /* Modal mobile */
    .modal {
        width: 95%;
        padding: var(--space-xl);
    }

    .modal-footer {
        flex-direction: column-reverse;
    }

    .modal-footer .btn {
        width: 100%;
    }
}

/* ---------- SMALL MOBILE (up to 480px) ---------- */
@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
        --fs-4xl: 2rem;
        --fs-3xl: 1.75rem;
    }

    html {
        font-size: 14px;
    }

    /* Drawer fits small screens */
    .navbar-menu {
        width: 100%;
        max-width: 100vw;
        padding: 90px 20px 24px;
    }

    .hero-stats {
        width: 100%;
        justify-content: space-between;
    }

    .stat {
        flex: 1;
        align-items: center;
    }

    .tech-card {
        padding: var(--space-lg);
    }

    .modal-icon {
        width: 40px;
        height: 40px;
        font-size: var(--fs-lg);
    }
}

/* ---------- LANDSCAPE MOBILE ---------- */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
    }

    .navbar-menu {
        padding-top: 80px;
    }
}

/* ---------- PRINT ---------- */
@media print {
    body {
        background: white;
        color: black;
    }

    .navbar,
    .footer,
    .toast-container,
    .modal-container,
    .hero-visual,
    .hero-scroll-indicator,
    .section-cta,
    .btn {
        display: none !important;
    }

    .section {
        padding: 1rem 0;
    }

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

    .text-gradient {
        background: none;
        -webkit-text-fill-color: black;
        color: black;
    }
}