/**
 * =========================================
 * SECTION: VISION FUTURE - KIẾN TẠO TƯƠNG LAI SỐ
 * =========================================
 * File: assets/css/culture-vision-future.css
 * Dùng cho: Section 4 của page "Văn hóa – Giá trị Tabcom"
 * Scope: .tabcom-vision-future
 * =========================================
 */

/* --- 1. DESIGN SYSTEM --- */
.tabcom-vision-future {
    --primary: #0038FF;
    --primary-light: #0056FF;
    --accent: rgba(0, 56, 255, 0.1);
    --text-main: #1E293B;
    --text-sub: #64748B;
    --bg-body: #FFFFFF;
    --bg-surface: #F8FAFC;
    --shadow-soft: 0 20px 40px -10px rgba(0, 56, 255, 0.15);
    --gradient-title: linear-gradient(135deg, #0038FF 0%, #001BE6 100%);
}

.tabcom-vision-future {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    padding-bottom: 80px;
}

.tabcom-vision-future * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.tabcom-vision-future .wrapper {
    max-width: 1280px;
    margin: 0 auto;
    padding: 80px 20px;
}

/* --- HEADER --- */
.tabcom-vision-future .header-section {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px auto;
    animation: visionFadeUp 0.8s ease-out;
}

.tabcom-vision-future .header-tag {
    background: var(--accent);
    color: #0038FF;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 8px 16px;
    border-radius: 30px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: inline-block;
    margin-bottom: 20px;
    border: 1px solid rgba(0, 56, 255, 0.3);
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.tabcom-vision-future .header-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -1px;
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.tabcom-vision-future .text-gradient {
    background: var(--gradient-title);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tabcom-vision-future .header-desc {
    color: var(--text-sub);
    font-size: 1.1rem;
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}


/* --- BENTO GRID --- */
.tabcom-vision-future .bento-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 30px;
    margin-bottom: 30px;
    animation: visionFadeUp 1s ease-out 0.2s backwards;
    align-items: start;
}

/* KHỐI SỨ MỆNH */
.tabcom-vision-future .mission-box {
    background: var(--bg-surface);
    border-radius: 30px;
    padding: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid transparent;
}

.tabcom-vision-future .mission-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-soft);
    border-color: rgba(20, 184, 166, 0.2);
    background: linear-gradient(to bottom right, #F8FAFC, #F0FDFA);
}

.tabcom-vision-future .mission-header {
    font-size: 0.9rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-light);
    margin-bottom: 30px;
    border-bottom: 2px solid rgba(20, 184, 166, 0.1);
    padding-bottom: 15px;
    display: inline-block;
    width: 100%;
}

.tabcom-vision-future .mission-item {
    margin-bottom: 40px;
    position: relative;
    z-index: 2;
}

.tabcom-vision-future .mission-item:last-child {
    margin-bottom: 0;
}

.tabcom-vision-future .m-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-main);
}

.tabcom-vision-future .icon-wrapper {
    width: 42px;
    height: 42px;
    background: #fff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.1rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.tabcom-vision-future .mission-box:hover .icon-wrapper {
    transform: rotate(10deg) scale(1.1);
    background: var(--primary);
    color: #fff;
}

.tabcom-vision-future .m-desc {
    font-size: 1.05rem;
    color: var(--text-sub);
    padding-left: 58px;
}

/* KHỐI ẢNH (Collage) */
.tabcom-vision-future .image-collage {
    display: grid;
    grid-template-rows: 1fr 1fr;
    gap: 20px;
    max-height: 500px;
}

.tabcom-vision-future .img-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 100%;
    max-height: 240px;
    box-shadow: var(--shadow-soft);
}

.tabcom-vision-future .img-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.tabcom-vision-future .img-card:hover img {
    transform: scale(1.1);
}

.tabcom-vision-future .img-badge {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 8px 18px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--primary);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 8px;
}


/* --- ROADMAP SECTION --- */
.tabcom-vision-future .roadmap-section {
    margin-top: 50px;
    background: #fff;
    border: 1px solid #E2E8F0;
    border-radius: 30px;
    padding: 50px;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
    animation: visionFadeUp 1s ease-out 0.4s backwards;
}

.tabcom-vision-future .roadmap-header {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Timeline Container */
.tabcom-vision-future .steps-container {
    display: flex;
    justify-content: space-between;
    position: relative;
}

/* Đường kẻ nền */
.tabcom-vision-future .steps-line {
    position: absolute;
    top: 25px;
    left: 60px;
    right: 60px;
    height: 4px;
    background: #F1F5F9;
    border-radius: 4px;
    z-index: 0;
}

/* Thanh tiến trình màu */
.tabcom-vision-future .steps-progress {
    position: absolute;
    top: 25px;
    left: 60px;
    width: 0%;
    height: 4px;
    background: var(--gradient-title);
    border-radius: 4px;
    z-index: 1;
    animation: visionProgressRun 1.5s ease-out 1s forwards;
}

.tabcom-vision-future .step-item {
    position: relative;
    z-index: 2;
    width: 24%;
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s;
}

.tabcom-vision-future .step-item:hover {
    transform: translateY(-5px);
}

.tabcom-vision-future .step-circle {
    width: 54px;
    height: 54px;
    background: #fff;
    border: 3px solid #E2E8F0;
    border-radius: 50%;
    margin: 0 auto 20px auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--text-sub);
    transition: all 0.4s ease;
    position: relative;
}

/* Khi active */
.tabcom-vision-future .step-item.active .step-circle {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 0 6px rgba(20, 184, 166, 0.15);
    background: #F0FDFA;
}

.tabcom-vision-future .step-content h4 {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 8px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tabcom-vision-future .step-content p {
    font-size: 0.9rem;
    color: var(--text-sub);
    line-height: 1.4;
    padding: 0 10px;
}

/* --- KEYFRAMES --- */
@keyframes visionFadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes visionProgressRun {
    to {
        width: calc(100% - 120px);
    }
}


/* RESPONSIVE */
@media (max-width: 992px) {
    .tabcom-vision-future .bento-grid {
        grid-template-columns: 1fr;
    }

    .tabcom-vision-future .image-collage {
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-template-rows: 250px;
    }
}

@media (max-width: 768px) {
    .tabcom-vision-future .header-title {
        font-size: 2.5rem;
    }

    .tabcom-vision-future .steps-container {
        flex-direction: column;
        gap: 40px;
        padding-left: 20px;
    }

    .tabcom-vision-future .steps-line {
        width: 4px;
        height: 100%;
        left: 25px;
        top: 0;
    }

    .tabcom-vision-future .steps-progress {
        width: 4px;
        height: 100%;
        left: 25px;
        top: 0;
        animation: none;
    }

    .tabcom-vision-future .step-item {
        width: 100%;
        text-align: left;
        display: flex;
        align-items: flex-start;
        gap: 20px;
    }

    .tabcom-vision-future .step-circle {
        margin: 0;
        flex-shrink: 0;
    }

    .tabcom-vision-future .step-content h4 {
        justify-content: flex-start;
        height: auto;
    }

    .tabcom-vision-future .image-collage {
        grid-template-columns: 1fr;
        grid-template-rows: 200px 200px;
    }
}