/* =============================================
   PRODUCT HERO
   ============================================= */
.product-hero {
    padding: clamp(2rem, 4vw, 3.5rem) 0;
}

.product-hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
}

/* =============================================
   GALLERY
   ============================================= */
.product-gallery {
    position: sticky;
    top: 88px;
}

.product-gallery__main {
    aspect-ratio: 1 / 1;
    background: var(--off-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    margin-bottom: 0.75rem;
    position: relative;
}

.product-gallery__main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.2s ease;
}

.product-gallery__badges {
    position: absolute;
    top: 1rem;
    left: 1rem;
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.product-gallery__badge {
    font-family: var(--font-mono);
    font-size: 0.58rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.3rem 0.6rem;
    border-radius: 2px;
}

.product-gallery__badge--best { background: var(--red);   color: var(--white); }
.product-gallery__badge--new  { background: var(--navy);  color: var(--white); }
.product-gallery__badge--nsf  { background: var(--green); color: var(--white); }
.product-gallery__badge--ul   { background: var(--navy);  color: var(--white); }
.product-gallery__badge--sale { background: var(--amber); color: var(--white); }

.product-gallery__thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.product-gallery__thumb {
    aspect-ratio: 1 / 1;
    background: var(--off-white);
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: border-color 0.2s;
    padding: 0;
}

.product-gallery__thumb:hover,
.product-gallery__thumb.active {
    border-color: var(--red);
}

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

/* =============================================
   PRODUCT INFO
   ============================================= */
.product-info__cat {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--red);
    margin-bottom: 0.5rem;
}

.product-info__title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 800;
    color: var(--navy);
    line-height: 1.15;
    margin-bottom: 0.75rem;
}

.product-info__subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

/* Rating */
.product-info__rating {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-light);
}

.product-info__stars {
    display: flex;
    gap: 0.15rem;
    color: var(--amber);
}

.product-info__stars svg {
    width: 16px;
    height: 16px;
}

.product-info__rating-text {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
}

.product-info__rating-text strong {
    color: var(--gray-600);
    font-weight: 500;
}

/* Key Specs */
.product-info__key-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.75rem;
}

.key-spec {
    background: var(--off-white);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.key-spec__icon {
    width: 36px;
    height: 36px;
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--navy);
    flex-shrink: 0;
}

.key-spec__icon svg {
    width: 18px;
    height: 18px;
}

.key-spec__label {
    font-family: var(--font-mono);
    font-size: 0.58rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.1rem;
}

.key-spec__value {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--navy);
}

/* Voltage Selector */
.product-info__option {
    margin-bottom: 1.5rem;
}

.product-info__option-label {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.82rem;
    color: var(--gray-700);
    margin-bottom: 0.6rem;
}

.product-info__voltage {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.voltage-btn {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.6rem 1.25rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s;
}

.voltage-btn:hover {
    border-color: var(--navy);
    color: var(--navy);
}

.voltage-btn.active {
    border-color: var(--red);
    background: var(--red-light);
    color: var(--red);
}

/* CTA */
.product-info__cta {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.product-info__cta .btn {
    flex: 1;
    justify-content: center;
}

/* Trust */
.product-info__trust {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-light);
}

.product-info__trust-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.03em;
}

.product-info__trust-item svg {
    width: 14px;
    height: 14px;
    color: var(--green);
    flex-shrink: 0;
}

/* =============================================
   PRODUCT TABS
   ============================================= */
.product-tabs {
    padding: var(--section-pad) 0;
    border-top: 1px solid var(--border-light);
}

.product-tabs__nav {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border-light);
    margin-bottom: 2.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.product-tabs__nav::-webkit-scrollbar { display: none; }

.product-tabs__btn {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-muted);
    padding: 0.85rem 1.5rem;
    border: none;
    background: none;
    cursor: pointer;
    position: relative;
    white-space: nowrap;
    transition: color 0.2s;
    flex-shrink: 0;
}

.product-tabs__btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--red);
    transform: scaleX(0);
    transition: transform 0.2s;
}

.product-tabs__btn:hover { color: var(--navy); }
.product-tabs__btn.active { color: var(--navy); }
.product-tabs__btn.active::after { transform: scaleX(1); }

.product-tabs__panel { display: none; }
.product-tabs__panel.active { display: block; }

.product-tabs__panel-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--navy);
    margin-bottom: 1.5rem;
}

.product-tabs__panel-intro {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 600px;
    margin-bottom: 2rem;
}

/* =============================================
   DESCRIPTION TAB
   ============================================= */
.product-desc {
    max-width: 800px;
}

.product-desc h2 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--navy);
    margin-bottom: 1rem;
    margin-top: 2rem;
}

.product-desc h2:first-child { margin-top: 0; }

.product-desc h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--navy);
    margin-bottom: 1rem;
    margin-top: 2rem;
}

.product-desc p {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin: 1.5rem 0 2rem;
}

.feature-card {
    background: var(--off-white);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-card__icon {
    width: 42px;
    height: 42px;
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--red);
    flex-shrink: 0;
}

.feature-card__icon svg {
    width: 20px;
    height: 20px;
}

.feature-card__title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--navy);
    margin-bottom: 0.25rem;
}

.feature-card__desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Inbox List */
.inbox-list {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin-top: 1rem;
}

.inbox-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.inbox-list li svg {
    width: 18px;
    height: 18px;
    color: var(--green);
    flex-shrink: 0;
    margin-top: 0.15rem;
}

/* =============================================
   SPECIFICATIONS TAB
   ============================================= */
.specs-table {
    width: 100%;
    border-collapse: collapse;
    max-width: 700px;
}

.specs-table tr {
    border-bottom: 1px solid var(--border-light);
}

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

.specs-table th,
.specs-table td {
    padding: 0.85rem 1.25rem;
    text-align: left;
    font-size: 0.9rem;
}

.specs-table th {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
    width: 40%;
    background: var(--off-white);
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.specs-table td {
    color: var(--gray-700);
    font-weight: 500;
}

/* =============================================
   APPLICATIONS TAB
   ============================================= */
.applications__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--grid-gap);
}

.application-card {
    background: var(--off-white);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    text-align: center;
    transition: all 0.3s;
}

.application-card:hover {
    background: var(--white);
    box-shadow: 0 6px 20px rgba(0,0,0,0.06);
    transform: translateY(-2px);
}

.application-card__icon {
    width: 52px;
    height: 52px;
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--navy);
}

.application-card__icon svg {
    width: 24px;
    height: 24px;
}

.application-card__name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--navy);
    margin-bottom: 0.35rem;
}

.application-card__desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* =============================================
   FAQ TAB
   ============================================= */
.faq__list {
    max-width: 750px;
}

.faq__item {
    border-bottom: 1px solid var(--border-light);
}

.faq__question {
    width: 100%;
    background: none;
    border: none;
    padding: 1.25rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    text-align: left;
}

.faq__question-text {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--navy);
    line-height: 1.5;
}

.faq__question-icon {
    width: 28px;
    height: 28px;
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--text-muted);
    font-size: 1.1rem;
    transition: all 0.2s;
}

.faq__item.open .faq__question-icon {
    background: var(--red);
    border-color: var(--red);
    color: var(--white);
    transform: rotate(45deg);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq__answer-inner {
    padding: 0 0 1.25rem;
    font-size: 0.92rem;
    color: var(--gray-600);
    line-height: 1.75;
}

.faq__item.open .faq__answer {
    max-height: 400px;
}
/* =============================================
   QUOTE SECTION
   ============================================= */
.quote-section {
    padding: var(--section-pad) 0;
    background: var(--navy);
}

.quote-section__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}

.quote-section__tag {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--amber);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.quote-section__tag::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--amber);
    border-radius: 1px;
}

.quote-section__title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 0.75rem;
}

.quote-section__title em {
    font-style: normal;
    color: var(--amber);
}

.quote-section__desc {
    font-size: 1rem;
    color: var(--text-on-dark-muted);
    line-height: 1.7;
}

/* CF7 Form Wrapper */
.quote-section__form .wpcf7 {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

/* All inputs, selects, textareas */
.quote-section__form .wpcf7 input:not([type="submit"]),
.quote-section__form .wpcf7 select,
.quote-section__form .wpcf7 textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255,255,255,0.06);
    border: 1.5px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
    margin-bottom: 1rem;
    -webkit-appearance: none;
    appearance: none;
}

/* Select arrow */
.quote-section__form .wpcf7 select {
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23ffffff' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

/* Select options */
.quote-section__form .wpcf7 select option {
    background: var(--navy);
    color: var(--white);
}

/* Placeholders */
.quote-section__form .wpcf7 input::placeholder,
.quote-section__form .wpcf7 textarea::placeholder {
    color: rgba(255,255,255,0.3);
}

/* Focus */
.quote-section__form .wpcf7 input:not([type="submit"]):focus,
.quote-section__form .wpcf7 select:focus,
.quote-section__form .wpcf7 textarea:focus {
    border-color: var(--amber);
}

/* Submit button */
.quote-section__form .wpcf7 input[type="submit"] {
    width: 100%;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.88rem;
    letter-spacing: 0.04em;
    padding: 0.9rem;
    background: var(--red);
    color: var(--white);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
    margin-bottom: 0;
    -webkit-appearance: none;
    appearance: none;
}

.quote-section__form .wpcf7 input[type="submit"]:hover {
    background: var(--red-hover);
    transform: translateY(-1px);
}

/* Form layout */
.quote-section__form .wpcf7 .quote-form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.quote-section__form .wpcf7 .quote-form__group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.quote-section__form .wpcf7 .quote-form__group--full {
    grid-column: 1 / -1;
}

.quote-section__form .wpcf7 .quote-form__label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-on-dark-muted);
}

/* CF7 validation */
.quote-section__form .wpcf7 .wpcf7-not-valid {
    border-color: var(--red) !important;
}

.quote-section__form .wpcf7 .wpcf7-not-valid-tip {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--red);
    margin-top: 0.25rem;
    display: block;
}

.quote-section__form .wpcf7 .wpcf7-response-output {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    margin-top: 1rem;
    border: none !important;
}

.quote-section__form .wpcf7 .wpcf7-mail-sent-ok {
    background: rgba(42,125,79,0.2);
    color: #4ade80;
}

.quote-section__form .wpcf7 .wpcf7-mail-sent-ng,
.quote-section__form .wpcf7 .wpcf7-spam-blocked {
    background: rgba(200,54,45,0.2);
    color: #fca5a5;
}

/* =============================================
   RELATED PRODUCTS
   ============================================= */
.related {
    padding: var(--section-pad) 0;
}

.related__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--grid-gap);
}

.related-card {
    background: var(--off-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid transparent;
    transition: all 0.3s;
    display: block;
}

.related-card:hover {
    background: var(--white);
    border-color: var(--border);
    box-shadow: 0 8px 30px rgba(0,0,0,0.06);
    transform: translateY(-3px);
}

.related-card__img {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--cream);
}

.related-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}

.related-card:hover .related-card__img img {
    transform: scale(1.05);
}

.related-card__body {
    padding: 1.25rem;
}

.related-card__cat {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
}

.related-card__name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--navy);
    margin-bottom: 0.4rem;
    line-height: 1.3;
    transition: color 0.2s;
}

.related-card:hover .related-card__name {
    color: var(--red);
}

.related-card__spec {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
    .product-hero__grid {
        grid-template-columns: 1fr;
    }

    .product-gallery {
        position: static;
    }

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

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

    .quote-section__grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .product-info__key-specs {
        grid-template-columns: 1fr;
    }

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

    .applications__grid {
        grid-template-columns: 1fr;
    }

    .product-tabs__btn {
        padding: 0.75rem 1rem;
        font-size: 0.78rem;
    }

    .specs-table th,
    .specs-table td {
        padding: 0.65rem 0.85rem;
        font-size: 0.82rem;
    }

    .quote-section__form .wpcf7 .quote-form__row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .product-info__cta {
        flex-direction: column;
    }

    .product-info__cta .btn {
        width: 100%;
    }

    .product-gallery__thumbs {
        gap: 0.35rem;
    }

    .related__grid {
        grid-template-columns: 1fr;
    }

    .product-info__voltage {
        flex-wrap: wrap;
    }
}