/* =========================================================
   FERROBEND
   ELBOWS PRODUCT PAGE
========================================================= */


/* =========================================================
   ELBOW PAGE HERO
========================================================= */

.elbow-hero {
    position: relative;

    padding: 85px 0 90px;

    background:
        linear-gradient(
            115deg,
            #f5f8fa 0%,
            #ffffff 52%,
            #eef4f8 100%
        );

    overflow: hidden;
}

.elbow-hero::before {
    content: "";

    position: absolute;

    width: 420px;
    height: 420px;

    right: -170px;
    top: -170px;

    border-radius: 50%;

    background: rgba(11, 58, 91, 0.035);

    pointer-events: none;
}

.elbow-hero-grid {
    position: relative;
    z-index: 1;

    display: grid;

    grid-template-columns: 1.05fr 0.95fr;

    align-items: center;

    gap: 70px;
}


/* =========================================================
   HERO CONTENT
========================================================= */

.elbow-hero-content {
    max-width: 680px;
}

.elbow-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;

    gap: 8px;

    margin-bottom: 22px;

    color: #718091;

    font-size: 12px;
    font-weight: 500;
}

.elbow-breadcrumb a {
    color: var(--primary);

    transition: color var(--transition);
}

.elbow-breadcrumb a:hover {
    color: var(--accent);
}

.elbow-breadcrumb i {
    font-size: 9px;
    color: #9aa6b2;
}

.elbow-hero h1 {
    max-width: 700px;

    margin-bottom: 22px;

    color: var(--primary-dark);

    font-size: clamp(40px, 5vw, 62px);

    line-height: 1.15;

    letter-spacing: -0.025em;
}

.elbow-hero h1 span {
    display: block;

    color: var(--primary);
}

.elbow-hero-description {
    max-width: 650px;

    margin-bottom: 30px;

    color: var(--text-light);

    font-size: 16px;

    line-height: 1.85;
}


/* =========================================================
   HERO ACTIONS
========================================================= */

.elbow-hero-actions {
    display: flex;
    align-items: center;

    gap: 14px;

    flex-wrap: wrap;

    margin-bottom: 30px;
}

.elbow-hero-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;

    gap: 20px;
}

.elbow-meta-item {
    display: flex;
    align-items: center;

    gap: 8px;

    color: #526171;

    font-size: 12px;
    font-weight: 500;
}

.elbow-meta-item i {
    color: var(--accent);
}


/* =========================================================
   HERO PRODUCT VISUAL
========================================================= */

.elbow-hero-visual {
    display: flex;

    align-items: center;
    justify-content: center;
}

.elbow-product-visual {
    position: relative;

    width: min(100%, 520px);

    min-height: 450px;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 35px;
}

.elbow-product-visual::before {
    content: "";

    position: absolute;

    width: 390px;
    height: 390px;

    border-radius: 50%;

    background: rgba(11, 58, 91, 0.055);
}

.elbow-product-visual::after {
    content: "";

    position: absolute;

    width: 270px;
    height: 270px;

    border-radius: 50%;

    border: 1px solid rgba(11, 58, 91, 0.08);
}

.elbow-product-image {
    position: relative;
    z-index: 2;

    width: 100%;
    max-width: 450px;

    height: auto;

    object-fit: contain;

    filter:
        drop-shadow(
            0 25px 35px rgba(0, 0, 0, 0.14)
        );
}


/* =========================================================
   PRODUCT INTRO
========================================================= */

.elbow-intro {
    background: var(--white);
}

.elbow-intro-grid {
    display: grid;

    grid-template-columns: 1.1fr 0.9fr;

    align-items: center;

    gap: 70px;
}

.elbow-intro-content {
    max-width: 700px;
}

.elbow-intro-content h2 {
    margin-bottom: 20px;

    font-size: clamp(30px, 4vw, 42px);
}

.elbow-intro-content p {
    margin-bottom: 17px;

    font-size: 14px;

    line-height: 1.85;
}


/* =========================================================
   INTRO HIGHLIGHTS
========================================================= */

.elbow-highlight-grid {
    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 14px;

    margin-top: 28px;
}

.elbow-highlight {
    display: flex;
    align-items: center;

    gap: 10px;

    padding: 13px 15px;

    background: var(--bg-light);

    border: 1px solid var(--border);

    border-radius: 8px;

    color: #344555;

    font-size: 12px;
    font-weight: 500;
}

.elbow-highlight i {
    color: var(--accent);
}


/* =========================================================
   QUICK SPECIFICATION CARD
========================================================= */

.elbow-spec-card {
    padding: 35px;

    background: var(--primary);

    border-radius: var(--radius-lg);

    box-shadow: var(--shadow-lg);

    overflow: hidden;

    position: relative;
}

.elbow-spec-card::before {
    content: "";

    position: absolute;

    width: 220px;
    height: 220px;

    right: -100px;
    top: -100px;

    border-radius: 50%;

    background: rgba(255, 255, 255, 0.055);
}

.elbow-spec-label {
    position: relative;
    z-index: 1;

    display: block;

    margin-bottom: 12px;

    color: #d7a349;

    font-size: 11px;

    font-weight: 700;

    letter-spacing: 0.13em;
}

.elbow-spec-card h3 {
    position: relative;
    z-index: 1;

    margin-bottom: 25px;

    color: var(--white);

    font-size: 23px;
}

.elbow-spec-list {
    position: relative;
    z-index: 1;

    display: flex;
    flex-direction: column;

    gap: 0;
}

.elbow-spec-row {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 20px;

    padding: 13px 0;

    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.elbow-spec-row span:first-child {
    color: rgba(255, 255, 255, 0.58);

    font-size: 11px;
}

.elbow-spec-row span:last-child {
    color: var(--white);

    font-size: 12px;

    font-weight: 600;

    text-align: right;
}


/* =========================================================
   ELBOW TYPES
========================================================= */

.elbow-types-section {
    background: var(--bg);
}

.elbow-types-grid {
    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 20px;
}

.elbow-type-card {
    position: relative;

    padding: 30px;

    background: var(--white);

    border: 1px solid var(--border);

    border-radius: var(--radius);

    overflow: hidden;

    transition:
        transform var(--transition),
        box-shadow var(--transition),
        border-color var(--transition);
}

.elbow-type-card::before {
    content: "";

    position: absolute;

    left: 0;
    top: 0;

    width: 100%;
    height: 3px;

    background: var(--accent);

    transform: scaleX(0);

    transform-origin: left;

    transition: transform var(--transition);
}

.elbow-type-card:hover {
    transform: translateY(-6px);

    border-color: #d4dde5;

    box-shadow: var(--shadow);
}

.elbow-type-card:hover::before {
    transform: scaleX(1);
}

.elbow-type-number {
    display: inline-flex;

    align-items: center;
    justify-content: center;

    width: 38px;
    height: 38px;

    margin-bottom: 20px;

    color: var(--primary);

    background: #edf4f8;

    border-radius: 9px;

    font-size: 12px;

    font-weight: 700;
}

.elbow-type-card h3 {
    margin-bottom: 10px;

    font-size: 19px;
}

.elbow-type-card p {
    font-size: 13px;

    line-height: 1.75;
}


/* =========================================================
   DIMENSION / CONFIGURATION SECTION
========================================================= */

.elbow-config-section {
    background: var(--white);
}

.elbow-config-grid {
    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 20px;
}

.elbow-config-card {
    padding: 28px;

    background: var(--bg-light);

    border: 1px solid var(--border);

    border-radius: var(--radius);
}

.elbow-config-card h3 {
    margin-bottom: 18px;

    font-size: 19px;
}

.elbow-config-list {
    display: flex;
    flex-direction: column;

    gap: 11px;
}

.elbow-config-list li {
    display: flex;
    align-items: flex-start;

    gap: 10px;

    color: var(--text-light);

    font-size: 13px;

    line-height: 1.6;
}

.elbow-config-list li i {
    margin-top: 5px;

    color: var(--accent);

    font-size: 9px;
}


/* =========================================================
   MATERIALS
========================================================= */

.elbow-materials-section {
    background: var(--bg);
}

.elbow-material-grid {
    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 16px;
}

.elbow-material-card {
    display: block;

    padding: 26px 24px;

    background: var(--white);

    border: 1px solid var(--border);

    border-radius: var(--radius);

    text-decoration: none;

    transition:
        transform var(--transition),
        box-shadow var(--transition),
        border-color var(--transition);
}

.elbow-material-card:hover {
    transform: translateY(-5px);

    border-color: #cbd7e0;

    box-shadow: var(--shadow);
}

.elbow-material-icon {
    width: 42px;
    height: 42px;

    display: flex;
    align-items: center;
    justify-content: center;

    margin-bottom: 16px;

    color: var(--primary);

    background: #edf4f8;

    border-radius: 9px;

    font-size: 16px;
}

.elbow-material-card h3 {
    margin-bottom: 8px;

    color: var(--primary-dark);

    font-size: 17px;

    transition: color var(--transition);
}

.elbow-material-card:hover h3 {
    color: var(--accent);
}

.elbow-material-card p {
    margin-bottom: 18px;

    color: var(--text-light);

    font-size: 12px;

    line-height: 1.65;
}

.elbow-material-link {
    display: inline-flex;
    align-items: center;

    gap: 7px;

    color: var(--primary);

    font-size: 11px;

    font-weight: 600;
}

.elbow-material-link i {
    font-size: 10px;

    transition: transform var(--transition);
}

.elbow-material-card:hover .elbow-material-link i {
    transform: translateX(4px);
}

.elbow-material-icon {
    width: 42px;
    height: 42px;

    display: flex;
    align-items: center;
    justify-content: center;

    margin-bottom: 16px;

    color: var(--primary);

    background: #edf4f8;

    border-radius: 9px;

    font-size: 16px;
}

.elbow-material-card h3 {
    margin-bottom: 8px;

    color: var(--primary-dark);

    font-size: 17px;
}

.elbow-material-card p {
    margin-bottom: 18px;

    color: var(--text-light);

    font-size: 12px;

    line-height: 1.65;
}

.elbow-material-link {
    display: inline-flex;
    align-items: center;

    gap: 7px;

    color: var(--primary);

    font-size: 11px;

    font-weight: 600;
}

.elbow-material-link i {
    font-size: 10px;

    transition: transform var(--transition);
}

.elbow-material-card:hover .elbow-material-link i {
    transform: translateX(4px);
}



/* =========================================================
   STANDARDS
========================================================= */

.elbow-standards-section {
    background: var(--white);
}

.elbow-standards-grid {
    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 18px;
}

.elbow-standard-card {
    display: flex;
    align-items: flex-start;

    gap: 15px;

    padding: 25px;

    background: var(--bg-light);

    border: 1px solid var(--border);

    border-radius: var(--radius);
}

.elbow-standard-icon {
    width: 45px;
    height: 45px;

    flex: 0 0 45px;

    display: flex;
    align-items: center;
    justify-content: center;

    color: var(--primary);

    background: #edf4f8;

    border-radius: 9px;

    font-size: 17px;
}

.elbow-standard-card h3 {
    margin-bottom: 6px;

    font-size: 16px;
}

.elbow-standard-card p {
    font-size: 11px;

    line-height: 1.65;
}


/* =========================================================
   APPLICATIONS
========================================================= */

.elbow-applications-section {
    background: var(--bg);
}

.elbow-applications-grid {
    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 18px;
}

.elbow-application-card {
    padding: 28px;

    background: var(--white);

    border: 1px solid var(--border);

    border-radius: var(--radius);

    transition:
        transform var(--transition),
        box-shadow var(--transition);
}

.elbow-application-card:hover {
    transform: translateY(-5px);

    box-shadow: var(--shadow-sm);
}

.elbow-application-icon {
    width: 48px;
    height: 48px;

    display: flex;
    align-items: center;
    justify-content: center;

    margin-bottom: 18px;

    color: var(--accent);

    background: #fff7e7;

    border-radius: 9px;

    font-size: 18px;
}

.elbow-application-card h3 {
    margin-bottom: 8px;

    font-size: 17px;
}

.elbow-application-card p {
    font-size: 12px;

    line-height: 1.7;
}


/* =========================================================
   TECHNICAL NOTE
========================================================= */

.elbow-technical-note {
    margin-top: 35px;

    display: flex;
    align-items: center;

    gap: 16px;

    padding: 20px 23px;

    background: #f7f9fb;

    border: 1px solid var(--border);

    border-radius: var(--radius);
}

.elbow-technical-note-icon {
    width: 40px;
    height: 40px;

    flex: 0 0 40px;

    display: flex;
    align-items: center;
    justify-content: center;

    color: var(--primary);

    background: #eaf1f5;

    border-radius: 50%;
}

.elbow-technical-note p {
    font-size: 12px;

    line-height: 1.7;
}


/* =========================================================
   ELBOW CTA
========================================================= */

.elbow-cta-section {
    position: relative;

    padding: 90px 0;

    background:
        linear-gradient(
            110deg,
            var(--primary-dark),
            var(--primary)
        );

    overflow: hidden;
}

.elbow-cta-section::before {
    content: "";

    position: absolute;

    width: 430px;
    height: 430px;

    right: -170px;
    top: -230px;

    border-radius: 50%;

    border: 65px solid rgba(255, 255, 255, 0.035);
}

.elbow-cta-content {
    position: relative;
    z-index: 1;

    max-width: 760px;

    margin: 0 auto;

    text-align: center;
}

.elbow-cta-content .eyebrow {
    color: #e1ab4d;
}

.elbow-cta-content h2 {
    margin-bottom: 18px;

    color: var(--white);

    font-size: clamp(30px, 4vw, 44px);
}

.elbow-cta-content p {
    max-width: 650px;

    margin: 0 auto 30px;

    color: rgba(255, 255, 255, 0.72);

    font-size: 14px;
}


/* =========================================================
   RESPONSIVE — TABLET
========================================================= */

@media (max-width: 1100px) {

    .elbow-hero-grid {
        gap: 40px;
    }

    .elbow-hero h1 {
        font-size: 48px;
    }

    .elbow-intro-grid {
        gap: 45px;
    }

    .elbow-types-grid,
    .elbow-standards-grid,
    .elbow-applications-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

}


/* =========================================================
   RESPONSIVE — MOBILE
========================================================= */

@media (max-width: 800px) {

    .elbow-hero {
        padding: 65px 0 70px;
    }

    .elbow-hero-grid {
        grid-template-columns: 1fr;

        text-align: center;

        gap: 35px;
    }

    .elbow-hero-content {
        max-width: 100%;
    }

    .elbow-breadcrumb {
        justify-content: center;
    }

    .elbow-hero h1 {
        font-size: clamp(38px, 10vw, 50px);
    }

    .elbow-hero-description {
        font-size: 14px;
    }

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

    .elbow-hero-meta {
        justify-content: center;
    }

    .elbow-hero-visual {
        order: -1;
    }

    .elbow-product-visual {
        min-height: 350px;
    }

    .elbow-product-visual::before {
        width: 300px;
        height: 300px;
    }

    .elbow-product-visual::after {
        width: 210px;
        height: 210px;
    }

    .elbow-intro-grid {
        grid-template-columns: 1fr;

        gap: 40px;
    }

    .elbow-highlight-grid {
        grid-template-columns: 1fr;
    }

    .elbow-config-grid {
        grid-template-columns: 1fr;
    }

    .elbow-types-grid,
    .elbow-material-grid,
    .elbow-standards-grid,
    .elbow-applications-grid {
        grid-template-columns: 1fr;
    }

    .elbow-technical-note {
        align-items: flex-start;
    }

}


/* =========================================================
   RESPONSIVE — SMALL MOBILE
========================================================= */

@media (max-width: 520px) {

    .elbow-hero {
        padding: 50px 0 60px;
    }

    .elbow-hero h1 {
        font-size: 36px;
    }

    .elbow-hero-description {
        font-size: 13px;
    }

    .elbow-hero-actions {
        flex-direction: column;

        width: 100%;
    }

    .elbow-hero-actions .btn {
        width: 100%;
    }

    .elbow-product-visual {
        min-height: 290px;

        padding: 20px;
    }

    .elbow-product-visual::before {
        width: 240px;
        height: 240px;
    }

    .elbow-product-visual::after {
        width: 170px;
        height: 170px;
    }

    .elbow-spec-card {
        padding: 28px;
    }

    .elbow-spec-row {
        align-items: flex-start;

        flex-direction: column;

        gap: 4px;
    }

    .elbow-spec-row span:last-child {
        text-align: left;
    }

    .elbow-type-card,
    .elbow-config-card,
    .elbow-material-card,
    .elbow-standard-card,
    .elbow-application-card {
        padding: 24px;
    }

    .elbow-technical-note {
        flex-direction: column;
    }

    .elbow-cta-section {
        padding: 70px 0;
    }

}