/* ==========================================================================
   Components — Nav, Footer, Buttons, Cards, CTA Band, etc.
   ========================================================================== */

/* ---------- Site Header & Nav ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--nav-bg);
    box-shadow: var(--nav-shadow-scrolled);
}


.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
}

.nav-logo img {
    height: 64px;
    width: auto;
}

.nav-links {
    display: none;
    gap: var(--space-6);
}

.nav-links a {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-primary);
    text-decoration: none;
    padding: var(--space-1) 0;
    border-bottom: 2px solid transparent;
    transition: border-color var(--transition-fast), color var(--transition-fast);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
    color: var(--color-primary-600);
    border-bottom-color: var(--color-primary-600);
}

.nav-links a:focus-visible {
    outline: 3px solid var(--color-primary-500);
    outline-offset: 4px;
    border-radius: var(--radius-sm);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.lang-switch {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
    text-decoration: none;
    padding: var(--space-1) var(--space-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.lang-switch:hover {
    background-color: var(--color-primary-600);
    color: var(--color-white);
    border-color: var(--color-primary-600);
}

.lang-switch:focus-visible {
    outline: 3px solid var(--color-primary-500);
    outline-offset: 2px;
}

.hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-text-primary);
}

.hamburger:focus-visible {
    outline: 3px solid var(--color-primary-500);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Desktop nav */
@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }

    .hamburger {
        display: none;
    }
}

/* ---------- Mobile Nav ---------- */

.mobile-nav {
    position: fixed;
    inset: 0;
    z-index: 200;
    background-color: var(--color-white);
    display: flex;
    flex-direction: column;
    padding: var(--space-6);
    transform: translateX(100%);
    transition: transform var(--transition-base);
}

.mobile-nav.is-open {
    transform: translateX(0);
}

.mobile-nav__header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: var(--space-8);
}

.mobile-nav__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-text-primary);
}

.mobile-nav__close:focus-visible {
    outline: 3px solid var(--color-primary-500);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

.mobile-nav__links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
}

.mobile-nav__links a {
    font-family: var(--font-ui);
    font-size: var(--text-lg);
    font-weight: var(--weight-medium);
    color: var(--color-text-primary);
    text-decoration: none;
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav__links a[aria-current="page"] {
    color: var(--color-primary-600);
}

.mobile-nav__links a:focus-visible {
    outline: 3px solid var(--color-primary-500);
    outline-offset: 2px;
}

.mobile-nav__lang {
    align-self: center;
    margin-top: var(--space-8);
    font-family: var(--font-ui);
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
    text-decoration: none;
}

.mobile-nav__lang:focus-visible {
    outline: 3px solid var(--color-primary-500);
    outline-offset: 2px;
}

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-ui);
    font-size: var(--btn-font-size);
    font-weight: var(--btn-font-weight);
    text-decoration: none;
    padding: var(--btn-padding-y) var(--btn-padding-x);
    border: 2px solid transparent;
    border-radius: var(--btn-radius);
    transition: background-color var(--transition-fast), color var(--transition-fast),
                border-color var(--transition-fast), box-shadow var(--transition-fast),
                transform var(--transition-fast);
    cursor: pointer;
}

.btn:focus-visible {
    outline: 3px solid var(--color-primary-500);
    outline-offset: 3px;
}

.btn:active {
    transform: translateY(1px);
}

.btn:disabled,
.btn[aria-disabled="true"] {
    opacity: 0.5;
    pointer-events: none;
}

.btn-primary {
    background-color: var(--color-cta-bg);
    border-color: var(--color-cta-bg);
    color: var(--color-cta-text);
}

.btn-primary:hover {
    background-color: var(--color-cta-hover);
    border-color: var(--color-cta-hover);
    color: var(--color-cta-text);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary-600);
    border-color: var(--color-primary-600);
}

.btn-secondary:hover {
    background-color: var(--color-primary-600);
    color: var(--color-white);
}

.btn-ghost {
    background-color: transparent;
    color: var(--color-primary-600);
    border-color: transparent;
}

.btn-ghost:hover {
    background-color: var(--color-primary-100);
}

/* Button loading state */
.btn.is-loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.is-loading::after {
    content: '';
    position: absolute;
    width: 1.125em;
    height: 1.125em;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: var(--radius-full);
    animation: btn-spin 0.6s linear infinite;
}

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

/* Reduced-motion: static pulse instead of spinner */
@media (prefers-reduced-motion: reduce) {
    .btn.is-loading::after {
        animation: none;
        border-right-color: currentColor;
        opacity: 0.5;
    }
}

/* ---------- Product Card ---------- */

.product-card {
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
}

.product-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.product-card__body {
    padding: var(--card-padding);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card__body h3 {
    margin-bottom: var(--space-2);
}

.product-card__body p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
    flex: 1;
}

/* ---------- Info Card ---------- */

.info-card {
    padding: var(--card-padding);
    background: var(--color-white);
    border-radius: var(--card-radius);
    border: 1px solid var(--color-border-light);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.info-card:hover {
    border-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

/* ---------- Badges ---------- */

.badge {
    display: inline-block;
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge-special-order {
    background-color: var(--color-special-order-light);
    color: var(--color-accent-700);
}

.badge-available {
    background-color: var(--color-success-light);
    color: var(--color-primary-700);
}

/* ---------- Callouts ---------- */

.callout-order {
    background-color: var(--callout-order-bg);
    color: var(--callout-order-text);
    padding: var(--space-6) var(--space-8);
    border-radius: var(--card-radius);
}

.callout-order a {
    color: var(--color-accent-300);
    font-weight: var(--weight-semibold);
}

.callout-order a:hover {
    color: var(--color-accent-100);
}

.callout-order .btn {
    background-color: var(--color-accent-500);
    border-color: var(--color-accent-500);
    color: var(--color-accent-100);
}

.callout-order .btn:hover {
    color: var(--color-white);
}

.callout-special {
    background-color: var(--callout-special-bg);
    border: 2px solid var(--callout-special-border);
    padding: var(--space-6) var(--space-8);
    border-radius: var(--card-radius);
}

/* Callout dual-button layout */
.callout-order__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
}

.callout-order .btn-secondary {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.callout-order .btn-secondary:hover {
    background-color: var(--color-white);
    color: var(--callout-order-bg);
    border-color: var(--color-white);
}

.callout-order .btn-secondary:focus-visible {
    outline-color: var(--color-white);
}

/* ---------- Trust Bar ---------- */

.trust-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-8);
    padding: var(--space-8) 0;
}

.trust-bar__item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.trust-bar__item svg {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    color: var(--color-primary-600);
}

/* ---------- Specs Table ---------- */

.specs-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-ui);
    font-size: var(--text-sm);
}

.specs-table th,
.specs-table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
}

.specs-table th {
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
    white-space: nowrap;
    width: 40%;
}

.specs-table td {
    color: var(--color-text-secondary);
}

/* Specs table: stacked cards on mobile */
@media (max-width: 639px) {
    .specs-table,
    .specs-table thead,
    .specs-table tbody,
    .specs-table tr,
    .specs-table th,
    .specs-table td {
        display: block;
    }

    .specs-table thead {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
    }

    .specs-table tr {
        margin-bottom: var(--space-2);
        padding: var(--space-3) var(--space-4);
        background: var(--color-white);
        border-radius: var(--radius-md);
        border: 1px solid var(--color-border-light);
    }

    .specs-table th,
    .specs-table td {
        padding: var(--space-1) 0;
        border-bottom: none;
        width: 100%;
    }

    .specs-table td::before {
        content: attr(data-label);
        display: block;
        font-weight: var(--weight-semibold);
        color: var(--color-text-primary);
        font-size: var(--text-xs);
        text-transform: uppercase;
        letter-spacing: 0.04em;
        margin-bottom: var(--space-1);
    }
}

/* ---------- Accordion ---------- */

.accordion-item {
    border-bottom: 1px solid var(--color-border-light);
}

.accordion-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-4) 0;
    font-family: var(--font-ui);
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
    text-align: left;
}

.accordion-trigger:focus-visible {
    outline: 3px solid var(--color-primary-500);
    outline-offset: 2px;
}

.accordion-trigger svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.accordion-trigger[aria-expanded="true"] svg {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.accordion-content__inner {
    padding-bottom: var(--space-4);
    color: var(--color-text-secondary);
}

/* ---------- Section Divider ---------- */

.section-divider {
    overflow: hidden;
    line-height: 0;
}

.section-divider svg {
    display: block;
    width: 100%;
    height: auto;
}

/* ---------- CTA Band ---------- */

.cta-band {
    background-color: var(--color-primary-600);
    color: var(--color-white);
    padding: var(--space-12) 0;
    text-align: center;
}

.cta-band__text {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    margin-bottom: var(--space-4);
}

.cta-band__button {
    display: inline-block;
    font-family: var(--font-ui);
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    color: var(--color-white);
    text-decoration: none;
    padding: var(--space-2) var(--space-8);
    border: 2px solid var(--color-white);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.cta-band__button:hover {
    background-color: var(--color-white);
    color: var(--color-primary-600);
}

.cta-band__button:focus-visible {
    outline: 3px solid var(--color-white);
    outline-offset: 3px;
}

/* CTA band title + dual-button layout */
.cta-band__title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    color: var(--color-white);
    margin-bottom: var(--space-3);
}

.cta-band__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
}

.cta-band__button--primary {
    background-color: var(--color-white);
    color: var(--color-primary-600);
    border-color: var(--color-white);
}

.cta-band__button--primary:hover {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.cta-band__button--primary:focus-visible {
    outline-color: var(--color-primary-600);
}

/* ---------- Site Footer ---------- */

.site-footer {
    background-color: var(--color-primary-900);
    color: var(--color-surface);
    padding-top: var(--space-16);
}

/* --- Footer Main: 3-column layout --- */

.footer-main {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
}

@media (min-width: 640px) {
    .footer-main {
        grid-template-columns: 1fr 1fr;
    }
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (min-width: 960px) {
    .footer-main {
        grid-template-columns: 1.4fr 0.8fr 1fr;
        gap: var(--space-16);
    }
    .footer-brand {
        grid-column: auto;
    }
}

/* --- Brand column --- */

.footer-logo {
    display: inline-block;
}

.footer-logo img {
    width: 200px;
    height: auto;
}

.footer-desc {
    margin-top: var(--space-4);
    font-size: var(--text-sm);
    color: rgba(246, 243, 238, 0.7);
    line-height: var(--leading-base);
    max-width: 28ch;
}

.footer-social {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-5);
    padding: var(--space-2) var(--space-4);
    border: 1px solid rgba(246, 243, 238, 0.2);
    border-radius: var(--radius-full);
    color: var(--color-surface);
    text-decoration: none;
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.footer-social:hover {
    border-color: var(--color-accent-500);
    background-color: rgba(246, 243, 238, 0.06);
}

.footer-social:focus-visible {
    outline: 2px solid var(--color-accent-500);
    outline-offset: 2px;
}

.footer-social svg {
    flex-shrink: 0;
}

/* --- Navigation column --- */

.footer-nav h2,
.footer-contact h2 {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent-500);
    margin-bottom: var(--space-5);
}

.footer-nav ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-nav a {
    color: rgba(246, 243, 238, 0.85);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer-nav a:hover {
    color: var(--color-accent-300);
}

.footer-nav a:focus-visible {
    outline: 2px solid var(--color-accent-500);
    outline-offset: 2px;
}

/* --- Contact column --- */

.footer-contact a,
.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: rgba(246, 243, 238, 0.85);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer-contact a:hover {
    color: var(--color-accent-300);
}

.footer-contact a:focus-visible {
    outline: 2px solid var(--color-accent-500);
    outline-offset: 2px;
}

.footer-contact svg {
    flex-shrink: 0;
    color: var(--color-accent-500);
}

/* --- Bottom bar --- */

.footer-bottom {
    margin-top: var(--space-12);
    padding: var(--space-6) 0;
    border-top: 1px solid rgba(246, 243, 238, 0.12);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: rgba(246, 243, 238, 0.5);
    font-family: var(--font-ui);
}

.footer-credit {
    color: rgba(246, 243, 238, 0.35);
}

.footer-credit a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-credit a:hover {
    color: rgba(246, 243, 238, 0.65);
}

/* ---------- Page Hero ---------- */

.page-hero {
    position: relative;
    min-height: 40vh;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
}

.page-hero__overlay {
    position: absolute;
    inset: 0;
    background: var(--hero-overlay);
    display: flex;
    align-items: center;
}

.page-hero__overlay .container {
    position: relative;
    color: var(--color-white);
}

.page-hero h1 {
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.page-hero p {
    font-size: var(--text-xl);
    max-width: 40ch;
}

.page-hero--tall {
    min-height: 70vh;
}

/* ---------- Error Page ---------- */

.error-page {
    text-align: center;
    padding: var(--space-24) var(--container-px);
}

.error-page h1 {
    margin-bottom: var(--space-4);
}

.error-page p {
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--space-12);
}

.error-page__actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}