/* =============================================================
   HOMEPAGE STYLE — Tri Thức Mở
   Compatible with Flatsome 3.20+
   File: homepage-style.css (child theme root)
   ============================================================= */

:root {
    --hp-primary:    #2563EB;
    --hp-primary-dk: #1D4ED8;
    --hp-primary-lt: #EFF6FF;
    --hp-accent:     #7C3AED;
    --hp-orange:     #F97316;
    --hp-green:      #10B981;
    --hp-teal:       #0D9488;
    --hp-text:       #0F172A;
    --hp-muted:      #64748B;
    --hp-border:     #E2E8F0;
    --hp-bg:         #F8FAFC;
    --hp-white:      #FFFFFF;
    --hp-radius:     12px;
    --hp-radius-lg:  20px;
    --hp-shadow:     0 2px 12px rgba(15,23,42,.07);
    --hp-shadow-hov: 0 8px 28px rgba(37,99,235,.13);
    --hp-ease:       all .25s cubic-bezier(.4,0,.2,1);
}

#hp-wrapper * { box-sizing: border-box; }
#hp-wrapper   { background: var(--hp-bg); }
#hp-wrapper a { text-decoration: none !important; }

/* ═══════════════════════════════════════════════════════════
   HERO FULLWIDTH — FLICKITY
   ═══════════════════════════════════════════════════════════ */

/* Đảm bảo hero tràn full ngang, nằm ngoài .container */
.hp-hero-fullwidth {
    position: relative;
    margin-bottom: 48px;
    /* Phá vỡ padding của Flatsome content wrapper nếu có */
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
}

/* Flickity carousel cell */
.hp-flickity-slider .hp-flickity-cell {
    width: 100%;
    height: 500px;
    position: relative;
    overflow: hidden;
}

@media (max-width: 768px) {
    .hp-flickity-slider .hp-flickity-cell { height: 360px; }
}
@media (max-width: 480px) {
    .hp-flickity-slider .hp-flickity-cell { height: 300px; }
}

/* Background image */
.hp-slide-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1.04);
    transition: transform 8s ease;
}

.hp-flickity-cell.is-selected .hp-slide-bg {
    transform: scale(1);
}

/* Overlay gradient */
.hp-slide-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
}

/* Slide content — nằm trong .container để căn chỉnh */
.hp-flickity-cell .container {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
}

.hp-slide-content {
    max-width: 560px;
    padding: 20px 0;
    animation: none; /* Flickity xử lý animation */
}

.hp-flickity-cell.is-selected .hp-slide-content {
    animation: hp-content-in .7s .1s both;
}

@keyframes hp-content-in {
    from { opacity: 0; transform: translateY(22px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hp-slide-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,.18);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,.3);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 5px 13px;
    border-radius: 40px;
    margin-bottom: 16px;
}

.hp-slide-title {
    font-size: clamp(24px, 4vw, 42px) !important;
    font-weight: 900 !important;
    color: #fff !important;
    line-height: 1.15 !important;
    margin: 0 0 12px !important;
    text-shadow: 0 2px 16px rgba(0,0,0,.2);
}

.hp-slide-desc {
    font-size: 15px;
    color: rgba(255,255,255,.88);
    line-height: 1.65;
    margin: 0 0 26px !important;
}

.hp-slide-btns { display: flex; gap: 12px; flex-wrap: wrap; }

.hp-btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--hp-primary); color: #fff !important;
    font-size: 14px; font-weight: 700;
    padding: 12px 24px; border-radius: 8px;
    transition: var(--hp-ease);
    box-shadow: 0 4px 16px rgba(37,99,235,.4);
}
.hp-btn-primary:hover { background: var(--hp-primary-dk); transform: translateY(-2px); }

.hp-btn-outline {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255,255,255,.14);
    backdrop-filter: blur(8px);
    border: 2px solid rgba(255,255,255,.55);
    color: #fff !important;
    font-size: 14px; font-weight: 700;
    padding: 10px 22px; border-radius: 8px;
    transition: var(--hp-ease);
}
.hp-btn-outline:hover { background: rgba(255,255,255,.26); }

/* Override Flickity buttons để khớp design */
.hp-hero-fullwidth .flickity-prev-next-button {
    width: 44px; height: 44px;
    background: rgba(255,255,255,.2) !important;
    backdrop-filter: blur(8px);
    border: 1.5px solid rgba(255,255,255,.4) !important;
}
.hp-hero-fullwidth .flickity-prev-next-button:hover {
    background: rgba(255,255,255,.35) !important;
}
.hp-hero-fullwidth .flickity-prev-next-button .arrow { fill: #fff; }
.hp-hero-fullwidth .flickity-page-dots { bottom: 18px; }
.hp-hero-fullwidth .flickity-page-dots .dot {
    width: 8px; height: 8px;
    background: rgba(255,255,255,.55);
    opacity: 1;
    transition: var(--hp-ease);
}
.hp-hero-fullwidth .flickity-page-dots .dot.is-selected {
    width: 24px;
    border-radius: 4px;
    background: #fff;
}

/* ═══════════════════════════════════════════════════════════
   STATS BANNER
   ═══════════════════════════════════════════════════════════ */
.hp-stats {
    background: linear-gradient(135deg, var(--hp-primary) 0%, #4F46E5 50%, #7C3AED 100%);
    border-radius: var(--hp-radius-lg);
    padding: 32px 40px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 52px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hp-stats::before {
    content: '';
    position: absolute; inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='30' cy='30' r='20' fill='%23fff' fill-opacity='.04'/%3E%3C/svg%3E");
}
.hp-stat-item { position: relative; z-index: 1; }
.hp-stat-num  { font-size: 30px; font-weight: 900; color: #fff; display: block; margin-bottom: 4px; line-height: 1; }
.hp-stat-label { font-size: 13px; color: rgba(255,255,255,.75); font-weight: 500; }
@media (max-width: 640px) { .hp-stats { grid-template-columns: repeat(2,1fr); padding: 22px 18px; } }

/* ═══════════════════════════════════════════════════════════
   SECTION — bg trắng, bo góc, shadow (wrap toàn bộ)
   ═══════════════════════════════════════════════════════════ */
.hp-section {
    background: var(--hp-white);
    border-radius: var(--hp-radius-lg);
    border: 1px solid var(--hp-border);
    box-shadow: var(--hp-shadow);
    padding: 20px 22px 22px;
    margin-bottom: 24px;
}

.hp-section-header {
    display: flex; align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--hp-border);
}
.hp-section-left    { display: flex; align-items: center; gap: 11px; }
.hp-section-icon    { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.hp-section-title   { font-size: 18px !important; font-weight: 800 !important; color: var(--hp-text) !important; margin: 0 !important; line-height: 1.2 !important; }
.hp-section-viewall { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; font-weight: 700; color: var(--hp-primary) !important; transition: var(--hp-ease); white-space: nowrap; }
.hp-section-viewall:hover { gap: 9px; }
.hp-no-post { color: #94a3b8; font-size: 13px; text-align: center; padding: 24px 0; margin: 0 !important; }

/* ═══════════════════════════════════════════════════════════
   2 CỘT BLOCK — POST LIST
   ═══════════════════════════════════════════════════════════ */
.hp-2col-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 52px;
}
@media (max-width: 860px) { .hp-2col-wrap { grid-template-columns: 1fr; gap: 16px; } }

.hp-block {
    background: var(--hp-white);
    border-radius: var(--hp-radius-lg);
    padding: 20px;
    box-shadow: var(--hp-shadow);
    border: 1px solid var(--hp-border);
}

.hp-post-list { display: flex; flex-direction: column; gap: 12px; }

.hp-post-item {
    display: flex; gap: 13px; align-items: flex-start;
    padding: 9px; border-radius: 10px;
    transition: var(--hp-ease);
    text-decoration: none !important;
}
.hp-post-item:hover { background: var(--hp-primary-lt); }

.hp-post-thumb {
    width: 70px; height: 70px;
    border-radius: 10px;
    overflow: hidden; flex-shrink: 0;
    background: #e2e8f0;
}
.hp-post-thumb img  { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s; }
.hp-post-item:hover .hp-post-thumb img { transform: scale(1.06); }

.hp-post-thumb-ph {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
}

.hp-post-info  { flex: 1; min-width: 0; }
.hp-post-name  { font-size: 13.5px; font-weight: 700; color: var(--hp-text); line-height: 1.35; margin-bottom: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.hp-post-excerpt { font-size: 12px; color: var(--hp-muted); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ═══════════════════════════════════════════════════════════
   CARD GRID — 5 cột × 2 hàng = 10 post, 1:1 thumbnail
   ═══════════════════════════════════════════════════════════ */
.hp-card-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
}
@media (max-width: 1000px) { .hp-card-grid { grid-template-columns: repeat(4,1fr); } }
@media (max-width: 720px)  { .hp-card-grid { grid-template-columns: repeat(3,1fr); gap: 10px; } }
@media (max-width: 480px)  { .hp-card-grid { grid-template-columns: repeat(2,1fr); gap: 8px; } }

/* Card — không cần shadow riêng vì section đã wrap */
.hp-card {
    background: var(--hp-bg);
    border-radius: var(--hp-radius);
    border: 1px solid var(--hp-border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--hp-ease);
    text-decoration: none !important;
}
.hp-card:hover {
    background: var(--hp-white);
    border-color: var(--hp-primary);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37,99,235,.12);
}

/* 1:1 thumbnail */
.hp-card-thumb {
    position: relative;
    padding-top: 100%;
    overflow: hidden;
    background: #e2e8f0;
    border-radius: var(--hp-radius) var(--hp-radius) 0 0;
}
.hp-card-thumb img {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover; display: block;
    transition: transform .4s ease;
}
.hp-card:hover .hp-card-thumb img { transform: scale(1.07); }

.hp-card-thumb-ph {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 26px;
    background: linear-gradient(135deg,#e0e7ff,#c7d2fe);
}

/* Hover overlay */
.hp-card-overlay {
    position: absolute; inset: 0;
    background: rgba(37,99,235,.48);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: var(--hp-ease);
}
.hp-card:hover .hp-card-overlay { opacity: 1; }
.hp-card-overlay i { font-size: 20px; color: #fff; }

/* Card body */
.hp-card-body { padding: 8px 10px 10px; flex: 1; }
.hp-card-title {
    font-size: 11.5px; font-weight: 600; color: var(--hp-text);
    line-height: 1.35; text-align: center;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    margin: 0 !important;
}

/* ═══════════════════════════════════════════════════════════
   COLOR THEMES
   ═══════════════════════════════════════════════════════════ */
.hp-icon-tracnghiem  { background: #EFF6FF; color: var(--hp-primary); }
.hp-title-tracnghiem { color: var(--hp-primary) !important; }
.hp-va-tracnghiem    { color: var(--hp-primary) !important; }

.hp-icon-tinhyeu     { background: #FDF4FF; color: #9333EA; }
.hp-title-tinhyeu    { color: #9333EA !important; }
.hp-va-tinhyeu       { color: #9333EA !important; }

.hp-icon-giadinh     { background: #F0FDFA; color: var(--hp-teal); }
.hp-title-giadinh    { color: var(--hp-teal) !important; }
.hp-va-giadinh       { color: var(--hp-teal) !important; }

.hp-icon-tracuu      { background: #FFF7ED; color: var(--hp-orange); }
.hp-title-tracuu     { color: var(--hp-orange) !important; }
.hp-va-tracuu        { color: var(--hp-orange) !important; }

.hp-icon-theme       { background: #EFF6FF; color: var(--hp-primary); }
.hp-title-theme      { color: var(--hp-primary) !important; }
.hp-va-theme         { color: var(--hp-primary) !important; }

.hp-icon-template    { background: #F5F3FF; color: var(--hp-accent); }
.hp-title-template   { color: var(--hp-accent) !important; }
.hp-va-template      { color: var(--hp-accent) !important; }

.hp-icon-khoahoc     { background: #F0FDF4; color: var(--hp-green); }
.hp-title-khoahoc    { color: var(--hp-green) !important; }
.hp-va-khoahoc       { color: var(--hp-green) !important; }

.hp-icon-banve       { background: #FFF7ED; color: #DC2626; }
.hp-title-banve      { color: #DC2626 !important; }
.hp-va-banve         { color: #DC2626 !important; }