/**
 * Responsive — Layout shift media queries only.
 *
 * Font sizes and spacing are handled by vw/vh + clamp() in variables.css.
 * These queries handle structural layout changes (column counts, visibility toggles).
 *
 * @package WB_Developer_Theme
 */

/* === Mobile: up to 480px === */
@media (max-width: 480px) {
    .wb-grid-2,
    .wb-grid-3,
    .wb-grid-4 {
        grid-template-columns: 1fr;
    }

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

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

    .wb-newsletter-form,
    .wb-newsletter-form-inline {
        flex-direction: column;
        max-width: 90vw;
    }

    .wb-hero-inner {
        max-width: 90vw;
    }

    .wb-hero-subheading {
        max-width: 90vw;
    }

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

    .wb-about-intro-centered,
    .wb-about-intro-text {
        max-width: 90vw;
    }

    .wb-video-wrapper {
        max-width: 90vw;
    }

    .wb-cert-cta-text {
        max-width: 90vw;
    }

    .wb-bio-grid {
        grid-template-columns: 1fr;
    }

    .wb-bio-text,
    .wb-bio-text-centered,
    .wb-teaching-bg-content,
    .wb-featured-quote {
        max-width: 90vw;
    }

    .wb-contact-grid {
        grid-template-columns: 1fr;
    }

    .wb-404-inner {
        max-width: 90vw;
    }

    .wb-404-search {
        flex-direction: column;
    }

    /* Touch-friendly form elements */
    .wb-input,
    .wb-textarea,
    .wb-select,
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="tel"],
    input[type="number"],
    input[type="search"],
    textarea,
    select {
        min-height: 44px;
        font-size: 16px; /* Prevents iOS auto-zoom */
    }

    .wb-btn,
    button[type="submit"],
    input[type="submit"] {
        min-height: 44px;
        min-width: 44px;
    }

    .wb-content-narrow {
        max-width: 90vw;
    }

    .wb-post-nav {
        flex-direction: column;
    }

    .wb-post-nav-next {
        text-align: left;
    }

    /* Videos — Mobile */
    .wb-video-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .wb-video-search {
        width: 100%;
    }

    .wb-video-grid {
        grid-template-columns: 1fr;
    }

    .wb-video-modal-content {
        width: 95vw;
    }

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

    /* WooCommerce — Mobile */
    .wb-product-grid {
        grid-template-columns: 1fr;
    }

    .wb-cart-layout {
        grid-template-columns: 1fr;
    }

    .wb-cart-header-row {
        display: none;
    }

    .wb-cart-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }

    .wb-cart-col-price,
    .wb-cart-col-qty,
    .wb-cart-col-subtotal {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .wb-cart-col-price::before,
    .wb-cart-col-qty::before,
    .wb-cart-col-subtotal::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: var(--text-sm);
        color: var(--color-text-secondary);
    }

    .wb-cart-col-remove {
        text-align: right;
    }

    .wb-cart-actions {
        flex-direction: column;
    }

    .wb-checkout-layout {
        grid-template-columns: 1fr;
    }

    .wb-thankyou {
        max-width: 90vw;
    }

    .wb-form-pay {
        max-width: 90vw;
    }

    .wb-order-overview-grid {
        grid-template-columns: 1fr 1fr;
    }

    .woocommerce-account .woocommerce-MyAccount-navigation,
    .woocommerce-account .woocommerce-MyAccount-content {
        width: 100%;
        float: none;
    }

    /* Certification — Mobile */
    .wb-cert-overview__header {
        max-width: 90vw;
    }

    .wb-cert-overview__benefits {
        grid-template-columns: 1fr;
    }

    .wb-cert-process__steps {
        grid-template-columns: 1fr;
    }

    .wb-exam-gate {
        max-width: 90vw;
    }

    .wb-exam-info__stats {
        flex-direction: column;
        align-items: center;
    }

    .wb-exam-info__stat {
        width: 100%;
    }

    .wb-exam-app {
        max-width: 90vw;
    }

    /* Verification — Mobile */
    .wb-verification-page .wb-container {
        max-width: 90vw;
    }

    .wb-verify__input-group {
        flex-direction: column;
        max-width: 90vw;
    }

    .wb-verify__result {
        max-width: 90vw;
    }

    /* Dashboard — Mobile */
    .wb-dashboard-page .wb-container {
        max-width: 90vw;
    }

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

    .wb-dash__tabs {
        flex-wrap: wrap;
    }

    .wb-dash-gate {
        max-width: 90vw;
    }
}

/* === Tablet: 481px to 768px === */
@media (min-width: 481px) and (max-width: 768px) {
    .wb-grid-3,
    .wb-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .wb-about-intro-centered,
    .wb-about-intro-text {
        max-width: 80vw;
    }

    .wb-newsletter-form-inline {
        max-width: 60vw;
    }

    .wb-hero-inner {
        max-width: 80vw;
    }

    .wb-video-wrapper {
        max-width: 80vw;
    }

    .wb-bio-grid {
        grid-template-columns: 1fr;
    }

    .wb-bio-text,
    .wb-bio-text-centered,
    .wb-teaching-bg-content,
    .wb-featured-quote {
        max-width: 80vw;
    }

    .wb-contact-grid {
        grid-template-columns: 1fr;
    }

    .wb-content-narrow {
        max-width: 80vw;
    }

    /* Videos — Tablet */
    .wb-video-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* WooCommerce — Tablet */
    .wb-product-grid {
        grid-template-columns: 1fr;
    }

    .wb-cart-layout {
        grid-template-columns: 1fr;
    }

    .wb-checkout-layout {
        grid-template-columns: 1fr;
    }

    .wb-thankyou {
        max-width: 80vw;
    }

    .wb-form-pay {
        max-width: 80vw;
    }

    /* Certification — Tablet */
    .wb-cert-overview__header {
        max-width: 80vw;
    }

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

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

    .wb-exam-app {
        max-width: 80vw;
    }

    /* Verification — Tablet */
    .wb-verification-page .wb-container {
        max-width: 80vw;
    }

    .wb-verify__input-group {
        max-width: 70vw;
    }

    .wb-verify__result {
        max-width: 70vw;
    }

    /* Dashboard — Tablet */
    .wb-dashboard-page .wb-container {
        max-width: 85vw;
    }

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

/* === Laptop and below: up to 1024px — Mobile nav === */
@media (max-width: 1024px) {
    .wb-hamburger {
        display: flex;
    }

    .wb-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75vw;
        max-width: 350px;
        height: 100vh;
        background-color: var(--color-white);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: calc(var(--header-height) + 2vw);
        padding-left: var(--spacing-lg);
        padding-right: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transition: right var(--transition-base);
        z-index: 999;
    }

    .wb-nav.active {
        right: 0;
    }

    .wb-nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
        width: 100%;
    }

    .wb-nav-list li a {
        font-size: var(--text-md);
        color: var(--color-text-primary);
    }

    .wb-nav-list li a:hover,
    .wb-nav-list li.current-menu-item a {
        color: var(--color-gold);
    }

    .wb-nav-list li.menu-item-has-children > .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: var(--spacing-sm);
    }

    .wb-header-actions {
        display: none;
    }

    .wb-section-subtitle {
        max-width: 90vw;
    }
}

/* === Desktop: 1025px and up === */
@media (min-width: 1025px) {
    .wb-hamburger {
        display: none;
    }

    .wb-nav {
        position: static;
        width: auto;
        height: auto;
        background: none;
        box-shadow: none;
        padding: 0;
        flex-direction: row;
    }
}

/* === Wide / 4K: 1441px+ === */
@media (min-width: 1441px) {
    :root {
        --container-width: 80vw;
    }
}