:root {
        --fas-primary: #1d4e89;
        --fas-primary-dark: #16314f;
        --fas-accent: #5f8fbe;
        --fas-accent-soft: #edf4fb;
        --fas-navy-soft: #f4f8fc;
        --fas-text-main: #1b2d42;
        --fas-text-sub: #617285;
        --fas-line: #d9e4ef;
        --fas-white: #ffffff;
        --fas-shadow-sm: 0 12px 28px rgba(22, 49, 79, 0.08);
        --fas-shadow-md: 0 20px 48px rgba(22, 49, 79, 0.14);
        --fas-radius-lg: 22px;
        --fas-radius-md: 16px;
        --fas-radius-pill: 999px;
    }

    body.fas-page {
        background: #ffffff;
        color: var(--fas-text-main);
    }

    .banner_area {
        position: relative;
    }

    .banner_area .banner_inner .banner_content {
        margin-top: 85px;
    }

    .banner_area .section-head-square {
    width: 200px;
    padding: 3rem 0 3rem 3rem;
}

.banner_area .section-head-square > .head-title,
.banner_area .banner_inner .banner_content h2,
.banner_area .head-title {
    width: 640px;
    font-size: 28px !important;
    line-height: 1.45 !important;
    font-weight: 700;
    letter-spacing: -0.2px;
    margin-bottom: 0;
}

    .portfolio_details_area.fas-section {
        position: relative;
        padding: 90px 0 120px;
        background:
            linear-gradient(180deg, #ffffff 0%, #f7fafe 52%, #ffffff 100%);
        overflow: hidden;
    }

    .portfolio_details_area.fas-section::before {
        content: "";
        position: absolute;
        top: -140px;
        right: -120px;
        width: 360px;
        height: 360px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(95, 143, 190, 0.16) 0%, rgba(95, 143, 190, 0) 72%);
        pointer-events: none;
    }

    .fas-hero {
        position: relative;
        z-index: 1;
        margin-bottom: 44px;
        text-align: center;
    }

    .fas-kicker {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 8px 18px;
        margin-bottom: 18px;
        border-radius: var(--fas-radius-pill);
        background: var(--fas-accent-soft);
        color: var(--fas-primary);
        font-size: 13px;
        font-weight: 700;
        letter-spacing: 0.08em;
    }

    .fas-hero-title {
        font-size: 42px;
        font-weight: 800;
        line-height: 1.25;
        letter-spacing: -0.03em;
        color: var(--fas-primary-dark);
        margin-bottom: 14px;
    }

    .fas-title-line {
        width: 60px;
        height: 4px;
        border-radius: var(--fas-radius-pill);
        margin: 0 auto 22px;
        background: linear-gradient(90deg, var(--fas-primary-dark), var(--fas-accent));
    }

    .fas-hero-desc {
        max-width: 900px;
        margin: 0 auto;
        font-size: 16px;
        line-height: 1.85;
        color: var(--fas-text-sub);
    }

    .fas-highlight-grid {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 24px;
        margin-bottom: 34px;
        position: relative;
        z-index: 1;
    }

    .fas-highlight-card {
        position: relative;
        padding: 30px 28px 28px;
        border-radius: var(--fas-radius-lg);
        background: rgba(255, 255, 255, 0.96);
        border: 1px solid var(--fas-line);
        box-shadow: var(--fas-shadow-sm);
        overflow: hidden;
        transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
    }

    .fas-highlight-card::before {
        content: "";
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: 5px;
        background: linear-gradient(90deg, var(--fas-primary-dark), var(--fas-accent));
    }

    .fas-highlight-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--fas-shadow-md);
        border-color: rgba(95, 143, 190, 0.35);
    }

    .fas-highlight-card h3 {
        font-size: 24px;
        font-weight: 800;
        line-height: 1.35;
        letter-spacing: -0.02em;
        margin-bottom: 14px;
        color: var(--fas-primary-dark);
    }

    .fas-highlight-card p {
        margin: 0;
        font-size: 15px;
        line-height: 1.82;
        color: var(--fas-text-sub);
    }

    .fas-action-wrap {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 14px;
        margin: 0 0 58px;
        position: relative;
        z-index: 1;
    }

    .main_btn.fas-btn,
    .main_btn.fas-btn-secondary,
    .main_btn.fas-btn-dark {
        min-width: 210px;
        padding: 0 28px;
        line-height: 48px;
        border-radius: var(--fas-radius-pill);
        font-size: 14px;
        font-weight: 700;
        letter-spacing: 0.01em;
        text-align: center;
        box-shadow: 0 12px 28px rgba(22, 49, 79, 0.16);
        transition: transform 0.22s ease, box-shadow 0.22s ease, opacity 0.22s ease;
    }

    .main_btn.fas-btn {
        background: linear-gradient(135deg, var(--fas-primary-dark), var(--fas-primary));
        color: #fff !important;
    }

    .main_btn.fas-btn-secondary {
        background: linear-gradient(135deg, var(--fas-primary), var(--fas-accent));
        color: #fff !important;
    }

    .main_btn.fas-btn-dark {
        background: linear-gradient(135deg, #233548, #486987);
        color: #fff !important;
    }

    .main_btn.fas-btn:hover,
    .main_btn.fas-btn-secondary:hover,
    .main_btn.fas-btn-dark:hover {
        transform: translateY(-2px);
        box-shadow: 0 16px 32px rgba(22, 49, 79, 0.22);
        color: #fff !important;
        text-decoration: none;
        opacity: 0.98;
    }

    .fas-models {
        position: relative;
        z-index: 1;
        margin-bottom: 54px;
    }

    .fas-section-head {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 16px;
        margin-bottom: 24px;
    }

    .fas-section-head-left h2 {
        font-size: 30px;
        font-weight: 800;
        line-height: 1.3;
        letter-spacing: -0.03em;
        color: var(--fas-primary-dark);
        margin-bottom: 10px;
    }

    .fas-section-head-left p {
        margin: 0;
        font-size: 15px;
        line-height: 1.8;
        color: var(--fas-text-sub);
    }

    .fas-section-chip {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        white-space: nowrap;
        padding: 8px 16px;
        border-radius: var(--fas-radius-pill);
        border: 1px solid rgba(95, 143, 190, 0.22);
        background: #fff;
        color: var(--fas-primary);
        font-size: 13px;
        font-weight: 700;
    }

    .fas-model-grid {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 24px;
    }

    .fas-model-card {
        display: flex;
        flex-direction: column;
        height: 100%;
        padding: 30px 28px 28px;
        border-radius: var(--fas-radius-lg);
        border: 1px solid var(--fas-line);
        background: rgba(255, 255, 255, 0.98);
        box-shadow: var(--fas-shadow-sm);
        position: relative;
        overflow: hidden;
        transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
    }

    .fas-model-card::before {
        content: "";
        position: absolute;
        inset: 0 0 auto 0;
        height: 5px;
        background: linear-gradient(90deg, var(--fas-primary-dark), var(--fas-accent));
    }

    .fas-model-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--fas-shadow-md);
        border-color: rgba(95, 143, 190, 0.35);
    }

    .fas-model-tag {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        align-self: flex-start;
        padding: 7px 14px;
        margin-bottom: 16px;
        border-radius: var(--fas-radius-pill);
        background: var(--fas-accent-soft);
        color: var(--fas-primary);
        font-size: 12px;
        font-weight: 700;
        letter-spacing: 0.04em;
    }

    .fas-model-card h3 {
        font-size: 26px;
        font-weight: 800;
        line-height: 1.3;
        margin-bottom: 12px;
        color: var(--fas-primary-dark);
        letter-spacing: -0.02em;
    }

    .fas-model-card p {
        font-size: 15px;
        line-height: 1.8;
        color: var(--fas-text-sub);
        margin-bottom: 18px;
        flex-grow: 1;
    }

    .fas-model-meta {
        list-style: none;
        padding: 0;
        margin: 0 0 22px;
    }

    .fas-model-meta li {
        position: relative;
        padding-left: 18px;
        margin-bottom: 8px;
        font-size: 14px;
        line-height: 1.7;
        color: var(--fas-text-main);
    }

    .fas-model-meta li:last-child {
        margin-bottom: 0;
    }

    .fas-model-meta li::before {
        content: "";
        position: absolute;
        left: 0;
        top: 9px;
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: var(--fas-accent);
    }

    .fas-model-card .main_btn {
        align-self: flex-start;
    }

    .fas-spec-wrap,
    .fas-legacy-wrap {
        position: relative;
        z-index: 1;
        margin-top: 18px;
    }

    .fas-spec-card {
        border-radius: 24px;
        border: 1px solid var(--fas-line);
        background: #fff;
        box-shadow: var(--fas-shadow-sm);
        overflow: hidden;
    }

    .fas-spec-head {
        padding: 28px 30px 20px;
        background: linear-gradient(180deg, rgba(95, 143, 190, 0.12), rgba(95, 143, 190, 0.04));
        border-bottom: 1px solid var(--fas-line);
    }

    .fas-spec-head h3 {
        margin: 0 0 8px;
        font-size: 28px;
        font-weight: 800;
        line-height: 1.3;
        letter-spacing: -0.03em;
        color: var(--fas-primary-dark);
    }

    .fas-spec-head p {
        margin: 0;
        font-size: 14px;
        line-height: 1.8;
        color: var(--fas-text-sub);
    }

    .fas-table-wrap {
        width: 100%;
        overflow-x: auto;
    }

    .fas-spec-table {
        width: 100%;
        min-width: 980px;
        border-collapse: collapse;
        background: #fff;
    }

    .fas-spec-table thead th {
        padding: 16px 14px;
        background: #f6fafe;
        border-bottom: 1px solid var(--fas-line);
        color: var(--fas-primary-dark);
        font-size: 14px;
        font-weight: 700;
        text-align: center;
        white-space: nowrap;
    }

    .fas-spec-table tbody td {
        padding: 16px 14px;
        border-bottom: 1px solid #edf3f8;
        color: #4c6074;
        font-size: 14px;
        line-height: 1.7;
        text-align: center;
        vertical-align: middle;
        background: #fff;
    }

    .fas-spec-table tbody tr:hover td {
        background: #fbfdff;
    }

    .fas-spec-table tbody td:first-child {
        font-weight: 700;
        color: var(--fas-text-main);
        background: #fcfdff;
        white-space: nowrap;
    }

    .fas-spec-table tbody tr:last-child td {
        border-bottom: none;
    }

    .fas-legacy-wrap {
        margin-top: 34px;
    }

    .fas-note-box {
        margin-top: 18px;
        padding: 20px 22px;
        border-radius: var(--fas-radius-md);
        background: #f8fbfe;
        border: 1px solid var(--fas-line);
        color: var(--fas-text-sub);
        font-size: 14px;
        line-height: 1.8;
    }

    .fas-note-box strong {
        color: var(--fas-primary-dark);
        font-weight: 700;
    }

    @media (max-width: 1199px) {
        .fas-highlight-grid,
        .fas-model-grid {
            grid-template-columns: repeat(2, minmax(0, 1fr));
        }
    }

    @media (max-width: 991px) {
        .banner_area .section-head-square {
            width: 200px;
            padding: 2.5rem 0 2.5rem 2.5rem;
        }

        .banner_area .section-head-square > .head-title,
        .banner_area .banner_inner .banner_content h2,
        .banner_area .head-title {
            width: 100%;
            font-size: 24px !important;
            line-height: 1.45 !important;
        }

        .portfolio_details_area.fas-section {
            padding: 70px 0 90px;
        }

        .fas-hero-title {
            font-size: 34px;
        }

        .fas-section-head {
            flex-direction: column;
            align-items: flex-start;
        }

        .fas-section-head-left h2 {
            font-size: 26px;
        }

        .fas-spec-head {
            padding: 24px 22px 18px;
        }

        .fas-spec-head h3 {
            font-size: 24px;
        }
    }

    @media (max-width: 767px) {
        .banner_area .section-head-square {
            width: 160px;
            padding: 2rem 0 2rem 2rem;
            margin: 0 auto;
        }

        .banner_area .section-head-square > .head-title,
        .banner_area .banner_inner .banner_content h2,
        .banner_area .head-title {
            width: 100%;
            font-size: 20px !important;
            line-height: 1.5 !important;
        }

        .portfolio_details_area.fas-section {
            padding: 56px 0 72px;
        }

        .fas-kicker {
            margin-bottom: 14px;
        }

        .fas-hero-title {
            font-size: 28px;
        }

        .fas-hero-desc {
            font-size: 15px;
        }

        .fas-highlight-grid,
        .fas-model-grid {
            grid-template-columns: 1fr;
            gap: 18px;
        }

        .fas-highlight-card,
        .fas-model-card {
            padding: 24px 20px 22px;
        }

        .fas-highlight-card h3,
        .fas-model-card h3 {
            font-size: 22px;
        }

        .fas-action-wrap {
            gap: 12px;
            margin-bottom: 42px;
        }

        .main_btn.fas-btn,
        .main_btn.fas-btn-secondary,
        .main_btn.fas-btn-dark {
            width: 100%;
            min-width: auto;
        }

        .fas-spec-head {
            padding: 20px 18px 16px;
        }

        .fas-spec-head h3 {
            font-size: 21px;
        }

        .fas-note-box {
            padding: 16px 18px;
        }
    }

/* =========================
   FAS model product images
========================= */
.fas-model-image {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 116px;
    margin: 0 0 22px;
    padding: 8px 10px;
    border-radius: 14px;
    background: linear-gradient(180deg, #f8fbfe 0%, #ffffff 100%);
}

.fas-model-image img {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 98px;
    object-fit: contain;
}

@media (max-width: 767px) {
    .fas-model-image {
        height: 104px;
        margin-bottom: 18px;
        padding: 6px 8px;
    }

    .fas-model-image img {
        max-height: 88px;
    }
}