.borneo-subpage-section {
    padding: 72px 0;
}

.borneo-banner-title {
    max-width: 880px;
    margin: 0;
    font-size: clamp(1.6rem, 3vw, 2.7rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
    text-wrap: balance;
}

.borneo-page-title-block {
    max-width: 880px;
    margin: 0 auto 30px;
    text-align: center;
}

.borneo-page-title-block h2 {
    margin-bottom: 0;
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    color: #123054;
    text-wrap: balance;
}

.borneo-subpage-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    margin-bottom: 0;
}

.borneo-subpage-breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    margin-bottom: 20px;
    border-radius: 999px;
    background: rgba(29, 171, 126, 0.12);
    color: #16795d;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.borneo-subpage-breadcrumb span {
    opacity: 0.55;
}

.borneo-subpage-copy {
    font-size: 17px;
    line-height: 1.8;
    color: #23324c;
}

.borneo-subpage-panel {
    height: 100%;
    padding: 34px;
    border: 1px solid rgba(18, 48, 84, 0.08);
    border-radius: 28px;
    background: linear-gradient(180deg, #ffffff 0%, #f4fbf9 100%);
    box-shadow: 0 24px 60px rgba(16, 40, 65, 0.08);
}

.borneo-subpage-panel h4 {
    margin-bottom: 18px;
    font-size: 1.1rem;
    font-weight: 800;
    color: #123054;
    text-transform: uppercase;
}

.borneo-meta-list,
.borneo-feature-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.borneo-meta-list li,
.borneo-feature-list li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 14px;
    color: #2d3a55;
    line-height: 1.65;
}

.borneo-meta-list li:before,
.borneo-feature-list li:before {
    content: "";
    position: absolute;
    left: 0;
    top: 11px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #1dab7e;
    box-shadow: 0 0 0 5px rgba(29, 171, 126, 0.14);
}

.borneo-cta-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 34px;
}

.borneo-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 220px;
    padding: 14px 28px;
    border-radius: 999px;
    border: 1px solid transparent;
    background: linear-gradient(135deg, #1dab7e 0%, #108aa7 100%);
    color: #ffffff;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    box-shadow: 0 20px 40px rgba(16, 138, 167, 0.2);
}

.borneo-cta-btn:hover,
.borneo-cta-btn:focus {
    color: #ffffff;
    transform: translateY(-1px);
}

.borneo-ghost-btn {
    background: transparent;
    border-color: rgba(18, 48, 84, 0.14);
    color: #123054;
    box-shadow: none;
}

.borneo-poster-card {
    position: sticky;
    top: 110px;
    padding: 18px;
    border-radius: 32px;
    background: linear-gradient(180deg, #ffffff 0%, #edf7f5 100%);
    box-shadow: 0 26px 60px rgba(16, 40, 65, 0.12);
}

.borneo-poster-card img {
    display: block;
    width: 100%;
    border-radius: 20px;
}

.borneo-highlight-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    margin-top: 36px;
}

.borneo-highlight-card {
    height: 100%;
    padding: 26px;
    border-radius: 24px;
    background: #ffffff;
    border: 1px solid rgba(18, 48, 84, 0.08);
    box-shadow: 0 18px 44px rgba(16, 40, 65, 0.07);
}

.borneo-highlight-card h5 {
    margin-bottom: 12px;
    font-size: 1rem;
    font-weight: 800;
    color: #123054;
}

.borneo-highlight-card p {
    margin: 0;
    color: #45536d;
    line-height: 1.7;
}

.borneo-conference-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
}

.borneo-conference-card {
    height: 100%;
    overflow: hidden;
    border-radius: 30px;
    background: #ffffff;
    border: 1px solid rgba(18, 48, 84, 0.08);
    box-shadow: 0 26px 60px rgba(16, 40, 65, 0.08);
}

.borneo-conference-card img {
    display: block;
    width: 100%;
    height: 320px;
    object-fit: cover;
}

.borneo-conference-card-body {
    padding: 30px;
}

.borneo-conference-tag {
    display: inline-block;
    padding: 7px 14px;
    margin-bottom: 16px;
    border-radius: 999px;
    background: rgba(29, 171, 126, 0.12);
    color: #16795d;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.borneo-conference-card h3 {
    margin-bottom: 14px;
    font-size: 1.7rem;
    font-weight: 800;
    color: #123054;
}

.borneo-conference-card p {
    margin-bottom: 18px;
    color: #45536d;
    line-height: 1.75;
}

.borneo-conference-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
}

.borneo-conference-meta span {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 999px;
    background: #f3f8fb;
    color: #24405f;
    font-size: 14px;
    font-weight: 600;
}

@media (max-width: 991.98px) {
    .borneo-subpage-section {
        padding: 56px 0;
    }

    .borneo-subpage-title {
        font-size: 2rem;
    }

    .borneo-poster-card {
        position: static;
        margin-bottom: 30px;
    }

    .borneo-conference-grid,
    .borneo-highlight-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 575.98px) {
    .borneo-subpage-panel,
    .borneo-conference-card-body {
        padding: 24px;
    }

    .borneo-conference-card img {
        height: auto;
    }

    .borneo-cta-wrap {
        flex-direction: column;
    }

    .borneo-cta-btn {
        width: 100%;
    }
}