/* ==========================================================================
   Single Product Specification Sheet Premium Styles
   ========================================================================== */

.bg-dark-bg {
    background-color: #0c1017 !important;
}

/* 1. Hero Section Layout with Diagonal Image */
.single-hero {
    position: relative;
    background: linear-gradient(135deg, #0b0f19 0%, #172233 100%);
    padding: 120px 0 100px 0;
    color: white;
    overflow: hidden;
}

.single-hero-container {
    position: relative;
    z-index: 2;
}

.single-hero-text .product-tag-red {
    display: inline-block;
    background-color: var(--primary-red);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    margin-bottom: 1.25rem;
    letter-spacing: 0.5px;
}

.single-hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    font-family: var(--font-heading);
    color: white;
}

.single-hero-text p {
    font-size: 1.05rem;
    color: #94a3b8;
    line-height: 1.6;
    margin-bottom: 2rem;
    max-width: 642px;
    text-align: justify;
}

.single-hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

/* Hero sub-badges horizontal outline layouts */
.hero-sub-badges {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.hero-sub-badge-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
}

.hero-sub-badge-item svg {
    width: 20px;
    height: 20px;
    color: var(--primary-red);
}

/* 2. Trust Bar statistics styling */
.trust-bar-light-blue {
    background-color: #ebf3fe;
    padding: 1.75rem 0;
    border-bottom: 1px solid rgba(2, 175, 251, 0.1);
}

.trust-bar-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    align-items: center;
}

.process-flow-single {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    align-items: center;
}

.trust-bar-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.trust-bar-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    background-color: rgba(2, 175, 251, 0.08);
    border-radius: 50%;
    color: #02affb;
}

.trust-bar-icon-wrapper svg {
    width: 22px;
    height: 22px;
}

.trust-bar-text {
    display: flex;
    flex-direction: column;
}

.trust-bar-val {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: #111622;
    line-height: 1.2;
}

.trust-bar-lbl {
    font-size: 0.8rem;
    color: #4a5568;
    font-weight: 600;
}

/* 3. About Product section with checklist rules */
.single-about-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 4rem;
    align-items: center;
}

.single-about-img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-premium);
}

.single-about-desc {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-dark-secondary);
    margin-bottom: 1.5rem;
}

.checklist-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem 1.5rem;
    margin-top: 1.5rem;
}

.checklist-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark-primary);
}

.checklist-icon-blue {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background-color: #02affb;
    color: white;
    border-radius: 50%;
    font-size: 0.65rem;
    font-weight: bold;
    flex-shrink: 0;
}

/* 4. Properties 6-Card Grid hover effects */
.product-features-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1.25rem;
    margin-top: 4rem;
}

.feature-card {
    background-color: white;
    border: 1px solid var(--light-border);
    border-radius: var(--border-radius);
    padding: 1.75rem 1.25rem;
    text-align: center;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.02);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-premium);
    border-color: var(--primary-red);
}

.feature-card-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(2, 175, 251, 0.06);
    border-radius: 50%;
    color: #02affb;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem auto;
    transition: var(--transition-smooth);
}

.feature-card:hover .feature-card-icon {
    background-color: var(--primary-red);
    color: white;
}

.feature-card-icon svg {
    width: 24px;
    height: 24px;
}

.feature-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary-blue);
}

.feature-card p {
    font-size: 0.75rem;
    color: var(--text-dark-secondary);
    line-height: 1.4;
}

/* 5. Why Choose STEEL MART Panel */
.border-top-bottom-dark {
    border-top: 1px solid var(--dark-border);
    border-bottom: 1px solid var(--dark-border);
}

.container-950 {
    max-width: 950px;
}

.single-highlight-panel {
    background-color: var(--dark-card);
    border: 1px solid var(--dark-border);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-premium);
}

.text-para-light-secondary {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-light-secondary);
}

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

/* 6. Specifications, Tables & Mech progress rules */
.specs-section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.specs-table-wrapper {
    background-color: white;
    border: 1px solid var(--light-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.specs-table-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--primary-blue);
    border-left: 4px solid var(--primary-red);
    padding-left: 0.75rem;
}

.table-custom {
    width: 100%;
    border-collapse: collapse;
}

.table-custom th,
.table-custom td {
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--light-border);
}

.table-custom th {
    background-color: rgba(2, 175, 251, 0.05);
    color: var(--primary-blue);
    font-weight: 700;
}

.table-custom td {
    color: var(--text-dark-primary);
}

.text-para-desc-dark {
    font-size: 0.85rem;
    color: var(--text-dark-secondary);
    margin-bottom: 1.5rem;
}

.progress-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.progress-item-lbl {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark-primary);
}

.progress-bar-bg {
    width: 100%;
    height: 8px;
    background-color: #f1f5f9;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 0.4rem;
}

.progress-bar-fill {
    height: 100%;
    background-color: var(--primary-red);
    border-radius: 4px;
}

/* 7. Heat Treatment steps flow mapping */
.process-flow {
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    margin-top: 2rem;
}

.process-step {
    flex: 1;
    text-align: center;
    position: relative;
}


.process-step-icon {
    width: 52px;
    height: 52px;
    background-color: rgba(2, 175, 251, 0.06);
    border-radius: 50%;
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem auto;
}

.process-step h5 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.25rem;
}

.process-step p {
    font-size: 14px;
    color: var(--text-dark-secondary);
}

/* 8. Industry Applications 6-column Layout */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1.25rem;
}

.app-item-card {
    background-color: white;
    border: 1px solid var(--light-border);
    border-radius: var(--border-radius);
    padding: 1.75rem 1.25rem;
    text-align: center;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.01);
}

.app-item-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-premium);
    border-color: var(--primary-red);
}

.app-item-icon {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    display: block;
}

.app-item-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.app-item-desc {
    font-size: 0.75rem;
    color: var(--text-dark-secondary);
    line-height: 1.5;
}

/* 9. Bottom split grids & enquire cta rules */
.bottom-split-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: stretch;
}

.enquire-cta-panel {
    background: linear-gradient(135deg, #02affb 0%, #111622 100%);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
    padding: 3.5rem 2.5rem;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    box-shadow: var(--shadow-premium);
    position: relative;
    overflow: hidden;
}

.enquire-cta-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(236, 47, 51, 0.18) 0%, transparent 60%);
    z-index: 1;
}

.enquire-cta-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.enquire-cta-panel:hover {
    transform: translateY(-5px);
    border-color: var(--primary-red);
    box-shadow: 0 10px 30px rgba(236, 47, 51, 0.2);
}

.enquire-cta-icon {
    width: 68px;
    height: 68px;
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary-red);
    transition: transform 0.3s ease;
}

.enquire-cta-panel:hover .enquire-cta-icon {
    transform: scale(1.1);
}

.enquire-cta-icon svg {
    width: 32px;
    height: 32px;
}

.enquire-cta-panel h2 {
    font-family: var(--font-heading);
    font-size: 1.85rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.enquire-cta-panel p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    max-width: 340px;
}

.enquire-cta-btn {
    display: inline-block;
    padding: 0.85rem 2.25rem;
    background-color: var(--primary-red);
    color: #ffffff;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    border-radius: 30px;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 15px rgba(236, 47, 51, 0.3);
}

.enquire-cta-panel:hover .enquire-cta-btn {
    background-color: #bd1318;
}

/* 10. Conclusion section rules */
.container-narrow {
    max-width: 800px;
    margin: 0 auto;
}

.text-center-summary {
    font-size: 0.95rem;
    line-height: 1.8;
    text-align: center;
    color: var(--text-dark-secondary);
}

/* 11. FAQ Accordion Grid */
.container-850 {
    max-width: 850px;
}

.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-accordion-item {
    background-color: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-accordion-item.active {
    border-color: var(--primary-red);
}

.faq-accordion-trigger {
    width: 100%;
    background: transparent;
    border: none;
    padding: 1.5rem 1.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    cursor: pointer;
    color: #ffffff;
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    gap: 1rem;
    transition: color 0.3s ease;
}

.faq-accordion-trigger:hover {
    color: var(--primary-red);
}

.faq-question {
    display: flex;
    gap: 0.75rem;
}

.faq-num {
    color: var(--primary-red);
}

.faq-icon-arrow {
    font-size: 1.5rem;
    line-height: 1;
    color: rgba(255, 255, 255, 0.4);
    transition: transform 0.3s ease, color 0.3s ease;
    flex-shrink: 0;
}

.faq-accordion-item.active .faq-icon-arrow {
    transform: rotate(45deg);
    /* "+" rotates to "x" */
    color: var(--primary-red);
}

.faq-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease;
    padding: 0 1.75rem;
}

.faq-accordion-item.active .faq-accordion-content {
    max-height: 250px;
    padding-bottom: 1.5rem;
}

.faq-answer {
    font-size: 0.9rem;
    color: var(--text-light-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Structural styling helpers */
.border-top-light {
    border-top: 1px solid var(--light-border);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1200px) {
    .product-features-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }

    .apps-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 992px) {


    .single-hero-text p {
        margin: 0 auto 2rem auto;
    }

    .single-hero-actions {
        justify-content: center;
    }

    .hero-sub-badges {
        justify-content: center;
    }

    .single-about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .specs-section-grid {
        grid-template-columns: 1fr;
    }

    .trust-bar-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .bottom-split-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

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

    .process-flow {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .process-step:nth-child(2)::after {
        display: none;
    }
}

@media (max-width: 576px) {
    .single-hero-text h1 {
        font-size: 2.5rem;
    }

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

    .process-flow {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .process-step:not(:last-child)::after {
        content: "↓";
        right: auto;
        left: 50%;
        bottom: -1.5rem;
        top: auto;
        transform: translateX(-50%);
    }

    .trust-bar-container {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

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

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

/* ==========================================================================
   Two Column Layout with Sidebar for Single Product Hero
   ========================================================================== */
.single-hero-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 5px;
    align-items: center;
}
.section-light-single {
	padding:25px 0px;
}
.single-hero-sidebar {
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 2.5rem 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.single-hero-sidebar .sidebar-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.75rem;
    text-transform: uppercase;
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
}

.single-hero-sidebar .sidebar-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--primary-red);
    border-radius: 2px;
}

.sidebar-product-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.sidebar-product-list li a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: color 0.25s ease, transform 0.25s ease;
}

.sidebar-product-list li a i {
    font-size: 0.9rem;
    color: var(--primary-red);
    transition: color 0.25s ease;
}

.sidebar-product-list li a:hover {
    color: #ffffff;
    transform: translateX(4px);
}

.sidebar-product-list li a:hover i {
    color: #ffffff;
}

@media (max-width: 992px) {
    .single-hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

/* Scrollable Grades List */
.sidebar-grades-scroll {
    max-height: 250px;
    overflow-y: auto;
    padding-right: 5px;
    margin-top: 1rem;
}

.sidebar-grades-scroll::-webkit-scrollbar {
    width: 6px;
}

.sidebar-grades-scroll::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.sidebar-grades-scroll::-webkit-scrollbar-thumb {
    background: var(--primary-red);
    border-radius: 4px;
}

.sidebar-grades-scroll::-webkit-scrollbar-thumb:hover {
    background: #ff4d52;
}