/**
 * Responsive Layout Styles
 * Complete responsive design for all screen sizes
 * Matches React responsive behavior
 */

/* ============================
   Breakpoint Variables
   ============================ 
   Mobile: < 640px
   Tablet: 640px - 1024px
   Desktop: > 1024px
*/

/* ============================
   Container Responsive
   ============================ */
.container {
    width: 100%;
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (min-width: 640px) {
    .container {
        max-width: 640px;
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 768px;
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1024px;
        padding-left: 2.5rem;
        padding-right: 2.5rem;
    }
}

@media (min-width: 1280px) {
    .container {
        max-width: 1440px;
        padding-left: 3rem;
        padding-right: 3rem;
    }
}

/* ============================
   Grid System Responsive
   ============================ */
.pc-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 640px) {
    .pc-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .pc-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .pc-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Custom Grid Columns */
.pc-grid-2 {
    grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 768px) {
    .pc-grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

@media (min-width: 640px) {
    .pc-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .pc-grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pc-grid-4 {
    grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 640px) {
    .pc-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .pc-grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================
   Section Spacing Responsive
   ============================ */
.pc-section {
    padding: 3rem 0;
}

@media (min-width: 768px) {
    .pc-section {
        padding: 4rem 0;
    }
}

@media (min-width: 1024px) {
    .pc-section {
        padding: 5rem 0;
    }
}

.pc-section-header {
    padding: 2rem 0;
}

@media (min-width: 768px) {
    .pc-section-header {
        padding: 3rem 0;
    }
}

/* ============================
   Typography Responsive
   ============================ */
.pc-heading-xl {
    font-size: 2rem;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .pc-heading-xl {
        font-size: 3rem;
    }
}

@media (min-width: 1024px) {
    .pc-heading-xl {
        font-size: 3.75rem;
    }
}

.pc-heading-lg {
    font-size: 1.75rem;
    line-height: 1.3;
}

@media (min-width: 768px) {
    .pc-heading-lg {
        font-size: 2.25rem;
    }
}

@media (min-width: 1024px) {
    .pc-heading-lg {
        font-size: 2.5rem;
    }
}

.pc-heading-md {
    font-size: 1.5rem;
    line-height: 1.4;
}

@media (min-width: 768px) {
    .pc-heading-md {
        font-size: 1.875rem;
    }
}

.pc-heading-sm {
    font-size: 1.25rem;
    line-height: 1.5;
}

@media (min-width: 768px) {
    .pc-heading-sm {
        font-size: 1.5rem;
    }
}

.pc-text-lg {
    font-size: 1.125rem;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .pc-text-lg {
        font-size: 1.25rem;
    }
}

/* ============================
   Hero Banner Responsive
   ============================ */
.pc-hero {
    padding: 4rem 0;
    min-height: 60vh;
}

@media (min-width: 768px) {
    .pc-hero {
        padding: 6rem 0;
        min-height: 70vh;
    }
}

@media (min-width: 1024px) {
    .pc-hero {
        padding: 8rem 0;
        min-height: 80vh;
    }
}

.pc-hero-content {
    padding: 0 1rem;
}

@media (min-width: 768px) {
    .pc-hero-content {
        padding: 0 2rem;
    }
}

/* ============================
   Card Layout Responsive
   ============================ */
.pc-card-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 640px) {
    .pc-card-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

@media (min-width: 1024px) {
    .pc-card-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2.5rem;
    }
}

/* ============================
   Sidebar Layout Responsive
   ============================ */
.pc-sidebar-layout {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

@media (min-width: 768px) {
    .pc-sidebar-layout {
        flex-direction: row;
    }
}

.pc-sidebar-content {
    flex: 1;
}

.pc-sidebar {
    width: 100%;
}

@media (min-width: 768px) {
    .pc-sidebar {
        width: 20rem;
        flex-shrink: 0;
    }
}

/* ============================
   Footer Responsive
   ============================ */
.pc-footer {
    padding: 3rem 0;
}

@media (min-width: 768px) {
    .pc-footer {
        padding: 4rem 0;
    }
}

.pc-footer-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 640px) {
    .pc-footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .pc-footer-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 3rem;
    }
}

/* ============================
   Form Responsive
   ============================ */
.pc-form-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 640px) {
    .pc-form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.pc-form-row {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 640px) {
    .pc-form-row {
        flex-direction: row;
    }
}

/* ============================
   Navigation Responsive
   ============================ */
.pc-nav-horizontal {
    display: none;
    overflow-x: auto;
}

@media (min-width: 1025px) {
    .pc-nav-horizontal {
        display: flex;
        overflow-x: visible;
    }
}

.pc-nav-vertical {
    display: flex;
    flex-direction: column;
}

@media (min-width: 1025px) {
    .pc-nav-vertical {
        display: none;
    }
}

/* ============================
   Table Responsive
   ============================ */
.pc-table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.pc-table {
    width: 100%;
    min-width: 600px;
}

/* ============================
   Image Responsive
   ============================ */
.pc-img-responsive {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.pc-img-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pc-img-contain {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* ============================
   Button Responsive
   ============================ */
.pc-btn-responsive {
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
}

@media (min-width: 768px) {
    .pc-btn-responsive {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
}

/* ============================
   Collection Header Responsive
   ============================ */
.pc-collection-header {
    height: 24rem;
}

@media (min-width: 768px) {
    .pc-collection-header {
        height: 28rem;
    }
}

@media (min-width: 1024px) {
    .pc-collection-header {
        height: 32rem;
    }
}

.pc-collection-header-content {
    padding: 1.5rem;
}

@media (min-width: 768px) {
    .pc-collection-header-content {
        padding: 2rem;
    }
}

/* ============================
   Product Detail Responsive
   ============================ */
.pc-product-detail-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 768px) {
    .pc-product-detail-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }
}

@media (min-width: 1024px) {
    .pc-product-detail-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 4rem;
    }
}

/* ============================
   Quote Cart Responsive - Mobile
   ============================ */
.pc-quote-cart-mobile {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, var(--pc-white) 0%, var(--pc-background) 100%);
    box-shadow:
        0 -10px 40px rgba(0, 0, 0, 0.1),
        0 -2px 10px rgba(0, 0, 0, 0.05);
    padding: 1.25rem 1.5rem;
    z-index: 999;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-top: 1px solid var(--pc-border);
}

.pc-quote-cart-mobile.active {
    transform: translateY(0);
}

@media (min-width: 768px) {
    .pc-quote-cart-mobile {
        display: none;
    }
}

/* ============================
   Utility Classes Responsive
   ============================ */
.pc-hidden-sm {
    display: none;
}

@media (min-width: 640px) {
    .pc-hidden-sm {
        display: block;
    }
}

.pc-hidden-md {
    display: none;
}

@media (min-width: 768px) {
    .pc-hidden-md {
        display: block;
    }
}

.pc-hidden-lg {
    display: block;
}

@media (min-width: 1024px) {
    .pc-hidden-lg {
        display: none;
    }
}

.pc-visible-sm {
    display: block;
}

@media (min-width: 640px) {
    .pc-visible-sm {
        display: none;
    }
}

.pc-visible-md {
    display: block;
}

@media (min-width: 768px) {
    .pc-visible-md {
        display: none;
    }
}

.pc-visible-lg {
    display: none;
}

@media (min-width: 1024px) {
    .pc-visible-lg {
        display: block;
    }
}

/* ============================
   Spacing Responsive
   ============================ */
.pc-gap-1 {
    gap: 0.25rem;
}

@media (min-width: 768px) {
    .pc-gap-1 {
        gap: 0.5rem;
    }
}

@media (min-width: 1024px) {
    .pc-gap-1 {
        gap: 1rem;
    }
}

.pc-py-1 {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

@media (min-width: 768px) {
    .pc-py-1 {
        padding-top: 1rem;
        padding-bottom: 1rem;
    }
}

@media (min-width: 1024px) {
    .pc-py-1 {
        padding-top: 2rem;
        padding-bottom: 2rem;
    }
}

/* ============================
   Modal/Popup Responsive
   ============================ */
.pc-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.pc-modal-content {
    width: 100%;
    max-width: 28rem;
    max-height: 90vh;
    overflow-y: auto;
}

@media (min-width: 640px) {
    .pc-modal-content {
        max-width: 32rem;
    }
}

@media (min-width: 1024px) {
    .pc-modal-content {
        max-width: 40rem;
    }
}

/* ============================
   Mega Menu Responsive
   ============================ */
.pc-mega-menu-mobile {
    display: block;
}

@media (min-width: 1025px) {
    .pc-mega-menu-mobile {
        display: none;
    }
}

.pc-mega-menu-desktop {
    display: none;
}

@media (min-width: 1025px) {
    .pc-mega-menu-desktop {
        display: block;
    }
}

/* ============================
   Animation Responsive
   ============================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================
   ALL PAGES COMPREHENSIVE RESPONSIVE
   Mobile: < 640px | Tablet: 640px - 1024px | Desktop: > 1024px
   ============================ */

/* ============================
   Page Container & Layout
   ============================ */
.pc-page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.pc-page-content {
    flex: 1;
    padding: 2rem 0;
}

@media (max-width: 768px) {
    .pc-page-content {
        padding: 1.5rem 0;
    }
}

@media (max-width: 480px) {
    .pc-page-content {
        padding: 1rem 0;
    }
}

/* ============================
   Page Headers - Same as pc-page-hero
   ============================ */
.pc-page-header {
    position: relative;
    background: linear-gradient(135deg, var(--pc-white) 0%, var(--pc-background) 100%);
    padding: 4rem 0;
    border-bottom: 1px solid var(--pc-border-light);
    overflow: hidden;
}

.pc-page-header::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url('/wp-content/uploads/2025/01/hero-poster.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.05;
}

.pc-page-header::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.6) 0%, rgba(243, 244, 246, 0.4) 100%);
}

.pc-page-header .pc-page-hero-content {
    max-width: 42rem;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 10;
}

.pc-page-header .pc-page-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #0f172a !important;
    margin: 0 0 1rem;
}

.pc-page-header .pc-page-description,
.pc-page-header .pc-page-subtitle {
    color: #64748b !important;
    font-size: 1.25rem;
    margin: 0;
}

@media (max-width: 768px) {
    .pc-page-header {
        padding: 3rem 0;
    }

    .pc-page-header .pc-page-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .pc-page-header {
        padding: 2rem 0;
    }
}

.pc-page-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin: 0 0 1rem;
}

@media (max-width: 768px) {
    .pc-page-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .pc-page-title {
        font-size: 1.5rem;
    }
}

.pc-page-subtitle {
    font-size: 1.125rem;
    color: var(--pc-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .pc-page-subtitle {
        font-size: 1rem;
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .pc-page-subtitle {
        font-size: 0.875rem;
    }
}

/* ============================
   Contact Page Responsive
   ============================ */
.pc-contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .pc-contact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }
}

.pc-contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .pc-contact-info {
        gap: 1rem;
    }
}

.pc-contact-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--pc-radius-md);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .pc-contact-card {
        padding: 1rem;
        flex-direction: column;
        gap: 0.75rem;
    }
}

.pc-contact-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--pc-primary), var(--pc-secondary));
    border-radius: var(--pc-radius);
    color: white;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .pc-contact-icon {
        width: 2.5rem;
        height: 2.5rem;
    }
}

.pc-contact-details h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--pc-text);
    margin: 0 0 0.25rem;
}

@media (max-width: 768px) {
    .pc-contact-details h4 {
        font-size: 0.9375rem;
    }
}

.pc-contact-details p {
    font-size: 0.9375rem;
    color: var(--pc-text-muted);
    margin: 0;
}

@media (max-width: 768px) {
    .pc-contact-details p {
        font-size: 0.875rem;
    }
}

/* Contact Form */
.pc-contact-form {
    background: white;
    padding: 2rem;
    border-radius: var(--pc-radius-md);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .pc-contact-form {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .pc-contact-form {
        padding: 1rem;
    }
}

.pc-form-group {
    margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
    .pc-form-group {
        margin-bottom: 1rem;
    }
}

.pc-form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pc-text);
    margin-bottom: 0.5rem;
}

.pc-form-group input,
.pc-form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--pc-border);
    border-radius: var(--pc-radius);
    font-size: 1rem;
    transition: all 0.2s;
}

@media (max-width: 768px) {
    .pc-form-group input,
    .pc-form-group textarea {
        padding: 0.625rem 0.875rem;
        font-size: 0.9375rem;
    }
}

.pc-form-group input:focus,
.pc-form-group textarea:focus {
    outline: none;
    border-color: var(--pc-primary);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

/* ============================
   About Page Responsive
   ============================ */
.pc-about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 768px) {
    .pc-about-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 4rem;
        align-items: center;
    }
}

.pc-about-content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--pc-text);
    margin: 0 0 1.5rem;
}

@media (max-width: 768px) {
    .pc-about-content h2 {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }
}

.pc-about-content p {
    font-size: 1rem;
    color: var(--pc-text-muted);
    line-height: 1.7;
    margin: 0 0 1rem;
}

@media (max-width: 768px) {
    .pc-about-content p {
        font-size: 0.9375rem;
        line-height: 1.6;
    }
}

.pc-about-image {
    border-radius: var(--pc-radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .pc-about-image {
        border-radius: var(--pc-radius-md);
    }
}

.pc-about-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ============================
   FAQ Page Responsive
   ============================ */
.pc-faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.pc-faq-item {
    background: white;
    border-radius: var(--pc-radius-md);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

@media (max-width: 768px) {
    .pc-faq-item {
        border-radius: var(--pc-radius);
    }
}

.pc-faq-question {
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: transparent;
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--pc-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    transition: all 0.2s;
}

@media (max-width: 768px) {
    .pc-faq-question {
        padding: 1rem;
        font-size: 0.9375rem;
    }
}

.pc-faq-question:hover {
    background: var(--pc-background);
}

.pc-faq-icon {
    width: 1.5rem;
    height: 1.5rem;
    flex-shrink: 0;
    transition: transform 0.3s;
}

@media (max-width: 768px) {
    .pc-faq-icon {
        width: 1.25rem;
        height: 1.25rem;
    }
}

.pc-faq-answer {
    padding: 0 1.5rem 1.25rem;
    font-size: 0.9375rem;
    color: var(--pc-text-muted);
    line-height: 1.7;
    display: none;
}

@media (max-width: 768px) {
    .pc-faq-answer {
        padding: 0 1rem 1rem;
        font-size: 0.875rem;
        line-height: 1.6;
    }
}

.pc-faq-item.active .pc-faq-answer {
    display: block;
}

.pc-faq-item.active .pc-faq-icon {
    transform: rotate(180deg);
}

/* ============================
   Login/Register Page Responsive
   ============================ */
.pc-auth-container {
    max-width: 28rem;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (max-width: 768px) {
    .pc-auth-container {
        max-width: 100%;
        padding: 0 0.5rem;
    }
}

.pc-auth-card {
    background: white;
    border-radius: var(--pc-radius-lg);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    padding: 2.5rem;
}

@media (max-width: 768px) {
    .pc-auth-card {
        padding: 1.5rem;
        border-radius: var(--pc-radius-md);
    }
}

@media (max-width: 480px) {
    .pc-auth-card {
        padding: 1rem;
    }
}

.pc-auth-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--pc-text);
    text-align: center;
    margin: 0 0 0.5rem;
}

@media (max-width: 768px) {
    .pc-auth-title {
        font-size: 1.25rem;
    }
}

.pc-auth-subtitle {
    font-size: 0.9375rem;
    color: var(--pc-text-muted);
    text-align: center;
    margin: 0 0 2rem;
}

@media (max-width: 768px) {
    .pc-auth-subtitle {
        font-size: 0.875rem;
        margin-bottom: 1.5rem;
    }
}

.pc-auth-btn {
    width: 100%;
    padding: 0.875rem;
    background: linear-gradient(135deg, var(--pc-primary), var(--pc-secondary));
    color: white;
    border: none;
    border-radius: var(--pc-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

@media (max-width: 768px) {
    .pc-auth-btn {
        padding: 0.75rem;
        font-size: 0.9375rem;
    }
}

.pc-auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.3);
}

/* ============================
   Shipping Page Responsive
   ============================ */
.pc-shipping-methods {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

@media (min-width: 640px) {
    .pc-shipping-methods {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .pc-shipping-methods {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pc-shipping-card {
    background: white;
    border: 2px solid var(--pc-border);
    border-radius: var(--pc-radius-md);
    padding: 1.5rem;
    transition: all 0.2s;
}

@media (max-width: 768px) {
    .pc-shipping-card {
        padding: 1rem;
        border-radius: var(--pc-radius);
    }
}

.pc-shipping-card:hover,
.pc-shipping-card.selected {
    border-color: var(--pc-primary);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

.pc-shipping-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--pc-text);
    margin: 0 0 0.5rem;
}

@media (max-width: 768px) {
    .pc-shipping-card h4 {
        font-size: 0.9375rem;
    }
}

.pc-shipping-card p {
    font-size: 0.875rem;
    color: var(--pc-text-muted);
    margin: 0;
}

@media (max-width: 768px) {
    .pc-shipping-card p {
        font-size: 0.8125rem;
    }
}

/* ============================
   Wholesale Page Responsive
   ============================ */
.pc-wholesale-benefits {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .pc-wholesale-benefits {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

@media (min-width: 1024px) {
    .pc-wholesale-benefits {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pc-benefit-card {
    background: white;
    border-radius: var(--pc-radius-md);
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    text-align: center;
}

@media (max-width: 768px) {
    .pc-benefit-card {
        padding: 1rem;
        border-radius: var(--pc-radius);
    }
}

.pc-benefit-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, var(--pc-primary-50), var(--pc-primary-50));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pc-primary);
}

@media (max-width: 768px) {
    .pc-benefit-icon {
        width: 3rem;
        height: 3rem;
        margin-bottom: 0.75rem;
    }
}

.pc-benefit-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--pc-text);
    margin: 0 0 0.5rem;
}

@media (max-width: 768px) {
    .pc-benefit-card h4 {
        font-size: 1rem;
    }
}

.pc-benefit-card p {
    font-size: 0.875rem;
    color: var(--pc-text-muted);
    margin: 0;
}

@media (max-width: 768px) {
    .pc-benefit-card p {
        font-size: 0.8125rem;
    }
}

/* ============================
   OEM/ODM Page Responsive
   ============================ */
.pc-oem-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .pc-oem-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }
}

.pc-oem-card {
    background: white;
    border-radius: var(--pc-radius-md);
    padding: 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .pc-oem-card {
        padding: 1.5rem;
        border-radius: var(--pc-radius);
    }
}

.pc-oem-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--pc-text);
    margin: 0 0 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

@media (max-width: 768px) {
    .pc-oem-card h3 {
        font-size: 1.125rem;
    }
}

.pc-oem-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pc-oem-card li {
    padding: 0.5rem 0;
    font-size: 0.9375rem;
    color: var(--pc-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

@media (max-width: 768px) {
    .pc-oem-card li {
        font-size: 0.875rem;
        padding: 0.375rem 0;
    }
}

/* ============================
   Quote Request Page Responsive
   ============================ */
.pc-quote-form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .pc-quote-form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.pc-quote-items {
    background: white;
    border-radius: var(--pc-radius-md);
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .pc-quote-items {
        padding: 1rem;
        border-radius: var(--pc-radius);
    }
}

.pc-quote-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--pc-border);
}

@media (max-width: 768px) {
    .pc-quote-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}

.pc-quote-item:last-child {
    border-bottom: none;
}

/* ============================
   404 Page Responsive
   ============================ */
.pc-404-container {
    text-align: center;
    padding: 4rem 2rem;
}

@media (max-width: 768px) {
    .pc-404-container {
        padding: 3rem 1rem;
    }
}

@media (max-width: 480px) {
    .pc-404-container {
        padding: 2rem 1rem;
    }
}

.pc-404-icon {
    font-size: 6rem;
    font-weight: 700;
    color: var(--pc-primary);
    line-height: 1;
    margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
    .pc-404-icon {
        font-size: 4rem;
        margin-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .pc-404-icon {
        font-size: 3rem;
    }
}

.pc-404-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--pc-text);
    margin: 0 0 1rem;
}

@media (max-width: 768px) {
    .pc-404-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .pc-404-title {
        font-size: 1.25rem;
    }
}

.pc-404-message {
    font-size: 1.125rem;
    color: var(--pc-text-muted);
    margin: 0 0 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 768px) {
    .pc-404-message {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 480px) {
    .pc-404-message {
        font-size: 0.9375rem;
    }
}

/* ============================
   Search Results Page Responsive
   ============================ */
.pc-search-results {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .pc-search-results {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .pc-search-results {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pc-search-result-item {
    background: white;
    border-radius: var(--pc-radius-md);
    padding: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 1rem;
}

@media (max-width: 768px) {
    .pc-search-result-item {
        padding: 0.75rem;
        border-radius: var(--pc-radius);
    }
}

/* ============================
   Table Styles Responsive
   ============================ */
.pc-table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    background: white;
    border-radius: var(--pc-radius-md);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .pc-table-container {
        border-radius: var(--pc-radius);
    }
}

.pc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

@media (max-width: 768px) {
    .pc-table {
        font-size: 0.875rem;
    }
}

.pc-table th,
.pc-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--pc-border);
}

@media (max-width: 768px) {
    .pc-table th,
    .pc-table td {
        padding: 0.75rem;
    }
}

.pc-table th {
    background: var(--pc-background);
    font-weight: 600;
    color: var(--pc-text);
}

.pc-table tr:last-child td {
    border-bottom: none;
}

/* ============================
   Quote Cart Popup Responsive
   ============================ */
.pc-quote-popup {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.pc-quote-popup.active {
    opacity: 1;
    visibility: visible;
}

.pc-quote-popup-content {
    background: white;
    border-radius: var(--pc-radius-lg);
    width: 100%;
    max-width: 32rem;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform 0.3s;
}

@media (max-width: 768px) {
    .pc-quote-popup-content {
        max-width: 100%;
        border-radius: var(--pc-radius-md);
    }
}

.pc-quote-popup.active .pc-quote-popup-content {
    transform: translateY(0);
}

/* ============================
   Breadcrumb Responsive
   ============================ */
.pc-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--pc-text-muted);
    margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
    .pc-breadcrumb {
        font-size: 0.8125rem;
        margin-bottom: 1rem;
    }
}

.pc-breadcrumb a {
    color: var(--pc-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.pc-breadcrumb a:hover {
    color: var(--pc-primary-dark);
}

.pc-breadcrumb-separator {
    color: var(--pc-border);
}

/* ============================
   Alert/Notice Responsive
   ============================ */
.pc-alert {
    padding: 1rem 1.5rem;
    border-radius: var(--pc-radius);
    margin-bottom: 1.5rem;
    font-size: 0.9375rem;
}

@media (max-width: 768px) {
    .pc-alert {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
        margin-bottom: 1rem;
    }
}

.pc-alert-success {
    background: var(--pc-primary-50);
    color: var(--pc-primary);
    border: 1px solid #a7f3d0;
}

.pc-alert-error {
    background: var(--pc-primary-50);
    color: var(--pc-primary-dark);
    border: 1px solid var(--pc-primary-100);
}

.pc-alert-warning {
    background: var(--pc-primary-50);
    color: #d97706;
    border: 1px solid #fde68a;
}

.pc-alert-info {
    background: #eff6ff;
    color: #2563eb;
    border: 1px solid #bfdbfe;
}

/* ============================
   Loading/Spinner Responsive
   ============================ */
.pc-spinner {
    width: 2.5rem;
    height: 2.5rem;
    border: 3px solid var(--pc-border);
    border-top-color: var(--pc-primary);
    border-radius: 50%;
    animation: pc-spin 0.8s linear infinite;
}

@media (max-width: 768px) {
    .pc-spinner {
        width: 2rem;
        height: 2rem;
        border-width: 2px;
    }
}

@keyframes pc-spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================
   Tabs Responsive
   ============================ */
.pc-tabs {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: white;
    border-radius: var(--pc-radius-md);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

@media (max-width: 768px) {
    .pc-tabs {
        border-radius: var(--pc-radius);
    }
}

.pc-tab-list {
    display: flex;
    border-bottom: 2px solid var(--pc-border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
    .pc-tab-list {
        border-bottom-width: 1px;
    }
}

.pc-tab {
    padding: 1rem 1.5rem;
    background: transparent;
    border: none;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--pc-text-muted);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}

@media (max-width: 768px) {
    .pc-tab {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
}

.pc-tab:hover {
    color: var(--pc-primary);
}

.pc-tab.active {
    color: var(--pc-primary);
    border-bottom-color: var(--pc-primary);
}

.pc-tab-panel {
    padding: 1.5rem;
    display: none;
}

@media (max-width: 768px) {
    .pc-tab-panel {
        padding: 1rem;
    }
}

.pc-tab-panel.active {
    display: block;
}