/* ==========================================================================
   RIKKEI IOC - STYLESHEET
   Max-width: 1480px, Responsive, Modern clean UI
   ========================================================================== */

.ioc-detail-section {
    width: 100%;
    background-color: #ffffff;
    color: #1e293b;
    box-sizing: border-box;
}

.ioc-detail-container {
    max-width: 1480px;
    margin: 0 auto;
    box-sizing: border-box;
}

/* ---------------- Tiêu đề mục chung với icon tam giác đỏ ---------------- */
.ioc-sec-heading {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 22px;
}

.ioc-red-triangle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ioc-red-triangle svg {
    display: block;
    width: 18px;
    height: 22px;
}

.ioc-sec-title {
    font-size: 24px;
    font-weight: 700;
    color: #0f172a;
    margin: 0;
    line-height: 1.25;
}

/* ---------------- 1. HÀNG 1: TỔNG QUAN + SƠ ĐỒ ---------------- */
.ioc-row-top {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 50px;
}

.ioc-overview-col {
    display: flex;
    flex-direction: column;
}

.ioc-overview-desc {
    font-size: 16px;
    line-height: 1.75;
    color: #334155;
    margin: 0;
    text-align: justify;
}

.ioc-diagram-col {
    display: flex;
    justify-content: center;
    align-items: center;
}

.ioc-img-card {
    width: 100%;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ioc-diagram-img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 14px;
    display: block;
}

/* ---------------- 2. HÀNG 2: DÀNH CHO AI ---------------- */
.ioc-sec-block {
    margin-bottom: 50px;
}

.ioc-audience-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.ioc-audience-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 24px 22px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ioc-audience-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    border-color: #cbd5e1;
}

.ioc-audience-title {
    font-size: 17px;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 10px 0;
    line-height: 1.35;
}

.ioc-audience-desc {
    font-size: 14px;
    line-height: 1.6;
    color: #64748b;
    margin: 0;
}

/* ---------------- 3. HÀNG 3: MÔ HÌNH KỲ THỰC TẬP ---------------- */
.ioc-model-container {
    background: #eff6fd;
    border: 1px solid #dbeafe;
    border-radius: 20px;
    padding: 28px;
}

.ioc-model-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.ioc-model-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 24px 26px;
    box-shadow: 0 2px 8px rgba(30, 64, 175, 0.03);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ioc-model-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.08);
    border-color: #bfdbfe;
}

/* Pill badge chứa icon + text */
.ioc-model-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    align-self: flex-start;
    background: linear-gradient(135deg, #1d68d8 0%, #154ca0 100%);
    color: #ffffff;
    padding: 8px 20px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 20px;
    box-shadow: 0 3px 10px rgba(21, 76, 160, 0.25);
}

.ioc-pill-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.ioc-pill-icon svg {
    display: block;
}

.ioc-pill-text {
    line-height: 1;
}

/* Danh sách gạch đầu dòng */
.ioc-model-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ioc-model-list li {
    position: relative;
    padding-left: 20px;
    font-size: 14.5px;
    line-height: 1.65;
    color: #334155;
    margin-bottom: 10px;
}

.ioc-model-list li:last-child {
    margin-bottom: 0;
}

.ioc-model-list li::before {
    content: "•";
    position: absolute;
    left: 4px;
    top: -1px;
    color: #2563eb;
    font-size: 20px;
    line-height: 1;
}

/* ---------------- 4. HÀNG 4: HÌNH ẢNH VÀ DEMO ---------------- */
.ioc-demo-block {
    margin-bottom: 20px;
}

/* ---------------- RESPONSIVE BREAKPOINTS ---------------- */
@media (max-width: 1024px) {
    .ioc-row-top {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .ioc-audience-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .ioc-model-grid {
        gap: 18px;
    }
}

@media (max-width: 768px) {
    .ioc-model-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .ioc-model-container {
        padding: 18px;
    }

    .ioc-sec-title {
        font-size: 20px;
    }

    .ioc-overview-desc {
        font-size: 15px;
    }
}

@media (max-width: 600px) {
    .ioc-audience-grid {
        grid-template-columns: 1fr;
    }

    .ioc-detail-container {
        padding: 0 16px;
    }

    .ioc-model-card {
        padding: 18px;
    }
}