/* =============================================
   AIT Store — Storefront CSS  (v2)
   ============================================= */

:root {
    --sf-bg: #f4f6f5;
    --sf-ink: #1a2420;
    --sf-accent: #178a57;
    --sf-accent-dark: #0f6640;
    --sf-accent-light: #e8f5ee;
    --sf-amber: #e8960f;
    --sf-amber-light: #fef6e4;
    --sf-card: #ffffff;
    --sf-muted: #5c6b62;
    --sf-line: #dde4df;
    --sf-radius: 12px;
    --sf-radius-sm: 8px;
    --sf-shadow: 0 2px 12px rgba(20, 40, 28, 0.08);
    --sf-shadow-hover: 0 6px 24px rgba(20, 40, 28, 0.14);
}

* {
    box-sizing: border-box;
}

body.storefront {
    margin: 0;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--sf-ink);
    background: var(--sf-bg);
    min-height: 100vh;
}

.sf-wrap {
    width: min(1160px, 94vw);
    margin: 0 auto;
}

/* Navbar */
.sf-navbar {
    background: #fff;
    border-bottom: 1px solid var(--sf-line);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 8px rgba(0, 0, 0, .07);
}

.sf-navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    height: 60px;
}

.sf-brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--sf-ink);
    flex-shrink: 0;
}

.sf-brand-img {
    height: 34px;
    width: auto;
    max-width: 110px;
    object-fit: contain;
    flex-shrink: 0;
    border-radius: 6px;
}

.sf-brand-name {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: var(--sf-ink);
    line-height: 1;
}

.sf-brand-name strong {
    color: var(--sf-accent);
}

.sf-brand-tagline {
    font-size: 0.72rem;
    color: var(--sf-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-left: 1px solid var(--sf-line);
    padding-left: 12px;
    line-height: 1.3;
}

@media (max-width: 540px) {
    .sf-brand-tagline {
        display: none;
    }

    .sf-brand-name {
        font-size: 1rem;
    }
}

.sf-hero {
    background: linear-gradient(135deg, #fff 0%, var(--sf-accent-light) 100%);
    border-bottom: 1px solid var(--sf-line);
    padding: 40px 0 28px;
}

.sf-hero h1 {
    margin: 0;
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--sf-ink);
}

.sf-hero p {
    margin: 8px 0 0;
    max-width: 60ch;
    color: var(--sf-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.sf-search {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.sf-search input {
    flex: 1 1 260px;
    min-width: 0;
    border: 1.5px solid var(--sf-line);
    border-radius: var(--sf-radius-sm);
    font-size: 0.95rem;
    padding: 11px 14px;
    background: #fff;
    font-family: inherit;
    color: var(--sf-ink);
    outline: none;
    transition: border-color 0.18s;
}

.sf-search input:focus {
    border-color: var(--sf-accent);
}

.sf-search select {
    flex: 0 1 200px;
    min-width: 0;
    border: 1.5px solid var(--sf-line);
    border-radius: var(--sf-radius-sm);
    font-size: 0.92rem;
    padding: 11px 14px;
    background: #fff;
    font-family: inherit;
    color: var(--sf-ink);
    outline: none;
    transition: border-color 0.18s;
    cursor: pointer;
}

.sf-search select:focus {
    border-color: var(--sf-accent);
}

.sf-btn {
    border: none;
    border-radius: var(--sf-radius-sm);
    padding: 11px 18px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    font-family: inherit;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: background 0.18s, transform 0.12s, box-shadow 0.18s;
    white-space: nowrap;
    line-height: 1;
}

.sf-btn:active {
    transform: scale(0.97);
}

.sf-btn-primary {
    background: var(--sf-accent);
    color: #fff;
    box-shadow: 0 2px 8px rgba(23, 138, 87, 0.25);
}

.sf-btn-primary:hover {
    background: var(--sf-accent-dark);
    box-shadow: 0 4px 14px rgba(23, 138, 87, 0.35);
}

.sf-btn-secondary {
    background: var(--sf-amber-light);
    color: #6b4200;
    border: 1.5px solid #f0d080;
}

.sf-btn-secondary:hover {
    background: #fdefc5;
}

.sf-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    padding: 24px 0 52px;
}

.sf-card {
    background: var(--sf-card);
    border: 1px solid var(--sf-line);
    border-radius: var(--sf-radius);
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 100%;
    box-shadow: var(--sf-shadow);
    transition: box-shadow 0.22s, transform 0.18s;
}

.sf-card:hover {
    box-shadow: var(--sf-shadow-hover);
    transform: translateY(-2px);
}

.sf-thumb {
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: var(--sf-radius-sm);
    overflow: hidden;
    background: var(--sf-bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sf-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.28s;
}

.sf-card:hover .sf-thumb img {
    transform: scale(1.04);
}

.sf-title {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.35;
    color: var(--sf-ink);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sf-code {
    margin: 0;
    color: var(--sf-muted);
    font-size: 0.82rem;
}

.sf-brand {
    margin: 0;
    color: var(--sf-accent);
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.sf-price {
    margin: 0;
    font-size: 1.12rem;
    font-weight: 700;
    font-family: 'Courier New', Courier, monospace;
    letter-spacing: 0.01em;
    font-variant-numeric: tabular-nums;
    color: var(--sf-ink);
}

.sf-stock {
    margin: 0;
    color: var(--sf-muted);
    font-size: 0.8rem;
}

.sf-actions {
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin-top: auto;
    padding-top: 6px;
    border-top: 1px solid var(--sf-line);
}

.sf-actions-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 7px;
}

.sf-actions .sf-btn {
    padding: 9px 10px;
    font-size: 0.82rem;
}

.sf-btn-whatsapp {
    background: #25d366;
    color: #fff;
    box-shadow: 0 2px 8px rgba(37, 211, 102, 0.22);
}

.sf-btn-whatsapp:hover {
    background: #1dad55;
}

.sf-btn-quote {
    background: transparent;
    color: var(--sf-accent);
    border: 1.5px solid var(--sf-accent);
}

.sf-btn-quote:hover {
    background: var(--sf-accent);
    color: #fff;
}

.sf-pagination {
    display: flex;
    justify-content: center;
    padding: 0 0 52px;
}

.sf-empty {
    text-align: center;
    padding: 60px 24px;
    color: var(--sf-muted);
}

.sf-empty h2 {
    margin: 0 0 8px;
    font-size: 1.2rem;
    color: var(--sf-ink);
}

.sf-empty p {
    margin: 0;
    font-size: 0.9rem;
}

/* Skeleton loader */
.sf-skeleton-loader {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    padding: 24px 0 52px;
}

.sf-skeleton-card {
    border-radius: var(--sf-radius);
    background: linear-gradient(90deg, #e4ebe6 25%, #f0f5f1 50%, #e4ebe6 75%);
    background-size: 300% 100%;
    animation: sf-shimmer 1.5s infinite linear;
    height: 290px;
}

@keyframes sf-shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

.sf-detail {
    padding: 28px 0 64px;
}

.sf-back-bar {
    padding: 20px 0 0;
}

.sf-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    align-items: start;
    margin-top: 20px;
}

.sf-panel {
    background: #fff;
    border: 1px solid var(--sf-line);
    border-radius: var(--sf-radius);
    padding: 22px;
    box-shadow: var(--sf-shadow);
}

.sf-desc {
    white-space: pre-wrap;
    color: var(--sf-muted);
    line-height: 1.65;
    font-size: 0.92rem;
    margin: 0;
}

@media (max-width: 1000px) {

    .sf-grid,
    .sf-skeleton-loader {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .sf-search {
        flex-direction: column;
    }

    .sf-search input,
    .sf-search select {
        flex: 1 1 auto;
    }

    .sf-grid,
    .sf-skeleton-loader {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sf-detail-grid {
        grid-template-columns: 1fr;
    }

    .sf-price {
        font-size: 1rem;
    }
}

@media (max-width: 460px) {

    .sf-grid,
    .sf-skeleton-loader {
        grid-template-columns: 1fr;
    }

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

/* ---- Modal ---- */
.sf-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10, 20, 10, 0.6);
    z-index: 900;
    align-items: center;
    justify-content: center;
    padding: 16px;
    backdrop-filter: blur(3px);
}

.sf-modal.is-open {
    display: flex;
}

.sf-modal-box {
    background: #fff;
    border-radius: 16px;
    width: min(480px, 100%);
    max-height: 90vh;
    overflow-y: auto;
    padding: 28px;
    box-shadow: 0 24px 64px rgba(10, 22, 16, 0.22);
    animation: sf-modal-in 0.2s ease;
}

@keyframes sf-modal-in {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.98);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.sf-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}

.sf-modal-title {
    margin: 0;
    font-size: 1.2rem;
}

.sf-modal-close {
    background: var(--sf-bg);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--sf-muted);
    line-height: 1;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
    flex-shrink: 0;
}

.sf-modal-close:hover {
    background: var(--sf-line);
}

.sf-modal-producto {
    margin: 0 0 14px;
    color: var(--sf-accent);
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sf-modal-msg {
    font-size: 0.9rem;
    margin-bottom: 10px;
    padding: 8px 12px;
    border-radius: var(--sf-radius-sm);
    display: none;
}

.sf-modal-msg:not(:empty) {
    display: block;
}

.sf-modal-ok {
    color: var(--sf-accent);
    background: var(--sf-accent-light);
}

.sf-modal-err {
    color: #b91c1c;
    background: #fef2f2;
}

.sf-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 12px;
}

.sf-field label {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--sf-ink);
}

.sf-field input,
.sf-field textarea {
    border: 1.5px solid var(--sf-line);
    border-radius: var(--sf-radius-sm);
    padding: 10px 12px;
    font-size: 0.93rem;
    font-family: inherit;
    color: var(--sf-ink);
    width: 100%;
    outline: none;
    transition: border-color 0.18s;
}

.sf-field input:focus,
.sf-field textarea:focus {
    border-color: var(--sf-accent);
}

.sf-field textarea {
    resize: vertical;
}

.sf-req {
    color: #b91c1c;
}

/* ---- Navbar navigation links ---- */
.sf-nav-links {
    display: flex;
    gap: 2px;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.sf-nav-links a {
    padding: 7px 14px;
    border-radius: var(--sf-radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--sf-muted);
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
}

.sf-nav-links a:hover {
    background: var(--sf-accent-light);
    color: var(--sf-accent);
}

.sf-nav-links a.sf-nav-active {
    background: var(--sf-accent-light);
    color: var(--sf-accent);
    font-weight: 600;
}

@media (max-width: 500px) {
    .sf-nav-links a {
        padding: 5px 8px;
        font-size: 0.78rem;
    }
}

/* ---- Contact page ---- */
.sf-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin-top: 28px;
}

.sf-contact-info {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.sf-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.sf-contact-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--sf-accent-light);
    color: var(--sf-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.sf-contact-label {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--sf-muted);
    font-weight: 600;
    margin: 0 0 2px;
}

.sf-contact-value {
    font-size: 0.95rem;
    color: var(--sf-ink);
    font-weight: 500;
    margin: 0;
    text-decoration: none;
}

a.sf-contact-value:hover {
    color: var(--sf-accent);
}

@media (max-width: 760px) {
    .sf-contact-grid {
        grid-template-columns: 1fr;
    }
}

/* ---- Promo / Novedades cards ---- */
.sf-section-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    margin-top: 28px;
    padding-bottom: 52px;
}

.sf-feature-card {
    background: var(--sf-card);
    border: 1px solid var(--sf-line);
    border-radius: var(--sf-radius);
    overflow: hidden;
    box-shadow: var(--sf-shadow);
    transition: box-shadow 0.22s, transform 0.18s;
    display: flex;
    flex-direction: column;
}

.sf-feature-card:hover {
    box-shadow: var(--sf-shadow-hover);
    transform: translateY(-2px);
}

.sf-feature-banner {
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.8rem;
    background: linear-gradient(135deg, var(--sf-accent-light), #d0eedd);
}

.sf-feature-banner.amber {
    background: linear-gradient(135deg, var(--sf-amber-light), #fde8a0);
}

.sf-feature-banner.teal {
    background: linear-gradient(135deg, #e0f5f0, #b8ead8);
}

.sf-feature-body {
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.sf-feature-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--sf-accent);
    background: var(--sf-accent-light);
    padding: 3px 8px;
    border-radius: 20px;
    align-self: flex-start;
}

.sf-feature-tag.amber {
    color: #7a5000;
    background: var(--sf-amber-light);
}

.sf-feature-title {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--sf-ink);
    line-height: 1.3;
}

.sf-feature-excerpt {
    margin: 0;
    font-size: 0.88rem;
    color: var(--sf-muted);
    line-height: 1.55;
}

.sf-feature-meta {
    margin: 0;
    font-size: 0.78rem;
    color: var(--sf-muted);
    margin-top: auto;
    padding-top: 8px;
    border-top: 1px solid var(--sf-line);
}

.sf-cta-banner {
    background: linear-gradient(135deg, var(--sf-accent), var(--sf-accent-dark));
    border-radius: var(--sf-radius);
    padding: 36px;
    text-align: center;
    color: #fff;
    margin-top: 0;
}

.sf-cta-banner h2 {
    margin: 0 0 8px;
    font-size: 1.5rem;
}

.sf-cta-banner p {
    margin: 0 0 20px;
    opacity: 0.88;
    font-size: 0.95rem;
}

@media (max-width: 760px) {
    .sf-section-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sf-cta-banner {
        padding: 28px 20px;
    }
}

@media (max-width: 460px) {
    .sf-section-grid {
        grid-template-columns: 1fr;
    }
}