/* --- LAYOUT CHUNG & RESET --- */
.vea-container { max-width: 1240px; margin: 0 auto; padding: 0 25px; position: relative; }
.campaign-history-page { padding: 140px 0 100px; background: #fcfcfd; position: relative; overflow: hidden; }

/* Khối loang màu nền */
.bg-shape { position: absolute; border-radius: 50%; filter: blur(100px); z-index: 0; opacity: 0.12; pointer-events: none; }
.shape-1 { width: 450px; height: 450px; background: #6366f1; top: -100px; left: -100px; }
.shape-2 { width: 600px; height: 600px; background: #ec4899; bottom: -100px; right: -100px; }

/* Header */
.section-header { text-align: center; margin-bottom: 100px; position: relative; z-index: 2; }
.section-title { font-size: 3.5rem; font-weight: 900; color: #0f172a; letter-spacing: -1px; }
.text-gradient { background: linear-gradient(135deg, #6366f1, #ec4899); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

/* --- TIMELINE (CHỐNG GHI ĐÈ) --- */
.year-group-container { display: flex; gap: 50px; margin-bottom: 100px; position: relative; z-index: 2; }
.year-aside { flex: 0 0 120px; border-right: 2px dashed #e2e8f0; position: relative; }
.year-sticky { position: sticky; top: 150px; text-align: right; padding-right: 35px; }
.year-text { font-size: 3.2rem; font-weight: 900; color: #1e293b; line-height: 1; }

.year-dot-marker {
    position: absolute; right: -10px; top: 18px;
    width: 18px; height: 18px; background: #6366f1;
    border: 4px solid #fff; border-radius: 50%;
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
}

/* --- GRID & CARD PREMIUM (FULL IMAGE) --- */
.campaign-full-grid { flex: 1; display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 40px; }

.campaign-card-premium {
    height: 480px; border-radius: 28px; overflow: hidden;
    position: relative; background: #0f172a;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.card-inner-link { display: block; width: 100%; height: 100%; position: relative; text-decoration: none; }

/* Ảnh bao phủ 100% */
.card-image-bg { position: absolute; inset: 0; z-index: 1; }
.card-image-bg img { 
    width: 100%; height: 100%; object-fit: cover; 
    transition: transform 1.2s cubic-bezier(0.2, 1, 0.3, 1);
}

/* Overlay đen bảo vệ tiêu đề */
.card-inner-link::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.2) 50%, transparent 100%);
    z-index: 2; transition: 0.5s ease;
}

/* Nội dung thông tin */
.card-overlay-content { position: relative; z-index: 3; height: 100%; display: flex; flex-direction: column; justify-content: space-between; padding: 35px; }

.card-badge { background: #6366f1; color: #fff; padding: 5px 12px; border-radius: 6px; font-size: 10px; font-weight: 800; letter-spacing: 1px; }
.card-year-tag { color: rgba(255,255,255,0.6); font-size: 11px; margin-left: 10px; font-weight: 700; }

/* Cải thiện Tiêu đề */
.card-main-title { 
    color: #ffffff !important; font-size: 1.8rem !important; font-weight: 900 !important; 
    line-height: 1.1 !important; margin: 10px 0 20px 0 !important;
    text-transform: uppercase; text-shadow: 0 2px 10px rgba(0,0,0,0.4);
    transition: 0.4s ease;
}

.card-date-small { color: #ec4899; font-size: 12px; font-weight: 800; letter-spacing: 1px; }

.card-explore { display: flex; align-items: center; gap: 15px; opacity: 0.85; transition: 0.3s; }
.link-text { color: #fff; font-size: 11px; font-weight: 700; letter-spacing: 1px; }
.link-circle { 
    width: 35px; height: 35px; border: 1px solid rgba(255, 255, 255, 0.3); 
    border-radius: 50%; display: flex; align-items: center; justify-content: center; 
    color: #fff; transition: 0.4s ease; 
}

/* --- HOVER EFFECTS --- */
.campaign-card-premium:hover .card-image-bg img { transform: scale(1.1); }
.campaign-card-premium:hover .card-inner-link::after { background: linear-gradient(to top, #6366f1 0%, rgba(15, 23, 42, 0.2) 100%); opacity: 0.9; }
.campaign-card-premium:hover .card-main-title { transform: translateY(-5px); }
.campaign-card-premium:hover .link-circle { background: #ec4899; border-color: #ec4899; transform: rotate(-45deg); }
.campaign-card-premium:hover .card-explore { opacity: 1; }

/* Responsive Mobile */
@media (max-width: 992px) {
    .year-group-container { flex-direction: column; gap: 20px; }
    .year-aside { border-right: none; border-bottom: 2px solid #e2e8f0; padding-bottom: 15px; flex: none; width: 100%; }
    .year-sticky { position: relative; top: 0; text-align: left; }
    .year-dot-marker { display: none; }
    .card-main-title { font-size: 1.5rem !important; }
}

/* --- Style cho Coming Soon --- */
.coming-soon-container {
    padding: 100px 0;
    text-align: center;
    display: flex;
    justify-content: center;
}

.coming-soon-box {
    max-width: 500px;
}

.cs-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #6366f1, #ec4899);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.cs-title {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: 8px;
    color: #0f172a;
    margin-bottom: 15px;
}

.cs-text {
    color: #64748b;
    font-size: 1.1rem;
    line-height: 1.6;
}

.cs-bar {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #6366f1, #ec4899);
    margin: 30px auto 0;
    border-radius: 10px;
}