/* =========================================================
   area.html page-only styles
   - header/footer styles excluded
   - blue theme unified
   ========================================================= */

:root {
    --area-primary: #27486b;
    --area-primary-dark: #16314f;
    --area-accent: #6d89a6;
    --area-accent-soft: #edf3f8;
    --area-text-main: #173047;
    --area-text-sub: #5b6b79;
    --area-line: rgba(22, 49, 79, 0.10);
    --area-shadow-sm: 0 14px 30px rgba(22, 49, 79, 0.08);
    --area-shadow-md: 0 20px 42px rgba(22, 49, 79, 0.12);
}

.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;
}

.area-section {
    background: linear-gradient(180deg, #ffffff 0%, #f7fafc 100%);
}

.area-intro {
    max-width: 920px;
    margin: 0 auto 44px;
    text-align: center;
    color: var(--area-text-sub);
    line-height: 1.85;
    word-break: keep-all;
}

.area-summary-card {
    position: relative;
    margin-bottom: 34px;
    padding: 28px 30px;
    border-radius: 22px;
    border: 1px solid rgba(217, 226, 236, 0.95);
    background: linear-gradient(135deg, rgba(237, 243, 248, 0.88), rgba(255, 255, 255, 0.98));
    box-shadow: var(--area-shadow-sm);
    color: var(--area-text-sub);
    line-height: 1.9;
    overflow: hidden;
}

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

.area-grid {
    display: grid;
    gap: 28px;
}

.area-block {
    position: relative;
    display: grid;
    grid-template-columns: minmax(300px, 1fr) minmax(360px, 1.25fr);
    background: #fff;
    border: 1px solid rgba(217, 226, 236, 0.95);
    border-radius: 28px;
    overflow: hidden;
    box-shadow: var(--area-shadow-sm);
    transition: box-shadow 0.28s ease, border-color 0.28s ease;
}

.area-block:hover {
    box-shadow: var(--area-shadow-md);
    border-color: rgba(39, 72, 107, 0.24);
}

.area-media {
    position: relative;
    min-height: 320px;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}

.area-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(18, 33, 54, 0.14), rgba(18, 33, 54, 0.04));
}

.area-media.consulting {
    background-image: url("../../img/area1.jpg");
}

.area-media.maintenance {
    background-image: url("../../img/area2.jpg");
}

.area-media.system {
    background-image: url("../../img/area3.jpg");
}

.area-content {
    position: relative;
    padding: 40px 42px;
    background: linear-gradient(135deg, var(--area-primary) 0%, var(--area-accent) 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.area-content::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 8px;
    height: 100%;
    background: rgba(255, 255, 255, 0.16);
}

.area-label {
    display: inline-block;
    margin-bottom: 14px;
    padding: 7px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    color: rgba(255, 255, 255, 0.92);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    align-self: flex-start;
}

.area-title {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.6px;
    color: #fff;
    margin-bottom: 18px;
}

.area-desc {
    font-size: 19px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.94);
    margin-bottom: 24px;
    word-break: keep-all;
}

.area-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.area-list li {
    position: relative;
    padding-left: 18px;
    color: rgba(255, 255, 255, 0.96);
    font-size: 17px;
    line-height: 1.7;
    word-break: keep-all;
}

.area-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 12px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
}

.area-bottom-note {
    margin-top: 40px;
    text-align: center;
    color: var(--area-text-sub);
    line-height: 1.85;
}

@media (max-width: 1199px) {
    .area-content {
        padding: 34px 30px;
    }

    .area-title {
        font-size: 36px;
    }

    .area-desc {
        font-size: 18px;
    }

    .area-list li {
        font-size: 16px;
    }
}

@media (max-width: 991px) {
    .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;
    }

    .area-block {
        grid-template-columns: 1fr;
    }

    .area-media {
        min-height: 260px;
    }

    .area-content {
        padding: 30px 24px;
    }

    .area-title {
        font-size: 32px;
    }

    .area-desc {
        font-size: 17px;
        margin-bottom: 20px;
    }

    .area-list li {
        font-size: 15px;
    }
}

@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;
    }

    .area-summary-card {
        padding: 22px 18px;
        border-radius: 18px;
    }

    .area-block {
        border-radius: 20px;
    }

    .area-media {
        min-height: 220px;
    }

    .area-content {
        padding: 24px 18px;
    }

    .area-label {
        margin-bottom: 12px;
        padding: 6px 12px;
        font-size: 11px;
    }

    .area-title {
        font-size: 26px;
        margin-bottom: 14px;
    }

    .area-desc {
        font-size: 15px;
        line-height: 1.65;
        margin-bottom: 18px;
    }

    .area-list {
        gap: 8px;
    }

    .area-list li {
        font-size: 14px;
        line-height: 1.65;
    }

    .area-list li::before {
        top: 10px;
        width: 6px;
        height: 6px;
    }

    .area-bottom-note {
        margin-top: 30px;
        font-size: 15px;
    }
}