/* TAWERS 중심 제품군 페이지 */
.pg-page {
    background: #f8fafc;
    margin-top: 80px;
}

/* Tiered filters */
.pg-filters {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    padding: 1.25rem 0 0.75rem;
    position: sticky;
    top: 80px;
    z-index: 10;
    background: rgba(248, 250, 252, 0.97);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #e2e8f0;
    margin-bottom: 0;
}
.pg-filters--tiered {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.25rem 0.85rem;
}
.pg-filter-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.pg-filter-row-label {
    flex: 0 0 auto;
    min-width: 7.5rem;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #64748b;
}
.pg-filter-row--parent .pg-filter-row-label { color: #1d4ed8; }
.pg-filter-row--modules .pg-filter-row-label { color: #475569; padding-left: 0.5rem; }
.pg-filter-row--modules .pg-filter-row-label::before { content: '↳ '; color: #94a3b8; }
.pg-filter-row--ext .pg-filter-row-label { color: #64748b; padding-left: 0.5rem; font-style: italic; }
.pg-filter-row--ext .pg-filter-row-label::before { content: '↳ '; color: #94a3b8; }
.pg-filter-row-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    flex: 1;
}
.pg-filter-btn {
    padding: 0.5rem 0.85rem;
    border: 1px solid #cbd5e1;
    background: #fff;
    color: #475569;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.78rem;
    transition: all 0.2s;
}
.pg-filter-btn--parent {
    font-size: 0.82rem;
    padding: 0.55rem 1rem;
}
.pg-filter-btn--child {
    border-style: dashed;
    background: #f8fafc;
    font-size: 0.76rem;
}
.pg-filter-btn--ext { border-color: #94a3b8; }
.pg-filter-btn:hover { border-color: #3b82f6; color: #1d4ed8; }
.pg-filter-btn.active { background: #0f172a; color: #fff; border-color: #0f172a; border-style: solid; }
.pg-filter-btn--tawers.active { background: linear-gradient(135deg, #1e3a5f, #3b82f6); border-color: #3b82f6; }
.pg-filter-btn--child.active { background: #1e293b; border-color: #1e293b; border-style: solid; }

/* TAWERS parent hero */
.pg-tawers {
    background: linear-gradient(135deg, #0b1220 0%, #0f2744 45%, #1e3a5f 100%);
    color: #fff;
    padding: 2.5rem 0 2.75rem;
    margin-top: 0;
    position: relative;
    overflow: hidden;
}
.pg-tawers::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 75% 25%, rgba(59,130,246,0.15) 0%, transparent 50%);
    pointer-events: none;
}
.pg-tawers-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 1;
}
.pg-tawers-label {
    font-size: 0.85rem;
    color: #93c5fd;
    font-weight: 600;
    margin-bottom: 0.75rem;
    letter-spacing: 0.02em;
}
.pg-tawers-badge {
    display: inline-block;
    background: rgba(59,130,246,0.2);
    border: 1px solid rgba(96,165,250,0.45);
    color: #bfdbfe;
    padding: 0.35rem 0.85rem;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}
.pg-tawers-title {
    font-size: clamp(1.85rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 0.75rem;
    color: #fff !important;
    letter-spacing: -0.02em;
}
.pg-tawers-lead {
    font-size: 1.05rem;
    color: #bfdbfe;
    line-height: 1.6;
    margin-bottom: 1rem;
    font-weight: 500;
}
.pg-tawers-lead strong { color: #fff; font-weight: 800; }
.pg-tawers h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 1rem;
    color: #fff !important;
}
.pg-tawers-desc { color: rgba(255,255,255,0.88); font-size: 1rem; line-height: 1.75; margin-bottom: 1rem; }
.pg-tawers-highlight {
    background: rgba(59,130,246,0.12);
    border-left: 3px solid #3b82f6;
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
    color: #bfdbfe;
    line-height: 1.65;
    margin-bottom: 1.5rem;
    border-radius: 0 6px 6px 0;
}
.pg-tawers-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.pg-btn-primary {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: #fff;
    padding: 0.85rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.2s;
}
.pg-btn-primary:hover { box-shadow: 0 6px 20px rgba(59,130,246,0.4); transform: translateY(-1px); }
.pg-btn-outline {
    background: transparent;
    color: #e2e8f0;
    border: 1px solid rgba(255,255,255,0.35);
    padding: 0.85rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
}
.pg-btn-outline:hover { background: rgba(255,255,255,0.08); }
.pg-tawers-visual {
    background: linear-gradient(145deg, #1e293b, #0f172a);
    border: 1px solid rgba(148,163,184,0.25);
    border-radius: 12px;
    min-height: 280px;
    position: relative;
    background-size: cover;
    background-position: center;
}
.pg-tawers-visual-hint {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 2rem 1rem 0.85rem;
    background: linear-gradient(transparent, rgba(11,18,32,0.95));
    color: #94a3b8;
    font-size: 0.78rem;
    text-align: center;
}
.pg-tawers-visual--slot {
    background: transparent;
    border: none;
    min-height: auto;
    overflow: hidden;
    border-radius: 12px;
}
.pg-tawers-visual--slot .pd-img-slot { border-radius: 12px; overflow: hidden; }

/* System map infographic */
.pg-tawers-visual-col {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}
.pg-system-map {
    background: linear-gradient(145deg, rgba(30,41,59,0.95), rgba(15,23,42,0.98));
    border: 1px solid rgba(96,165,250,0.35);
    border-radius: 12px;
    padding: 1.1rem 1rem 1rem;
}
.pg-system-map-caption {
    text-align: center;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: #93c5fd;
    margin: 0 0 0.85rem;
    text-transform: uppercase;
}
.pg-system-map-tree { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; }
.pg-system-map-root { text-align: center; }
.pg-system-map-center {
    display: inline-block;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: #fff;
    font-weight: 800;
    font-size: 1rem;
    padding: 0.55rem 1.25rem;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(59,130,246,0.35);
}
.pg-system-map-center-sub {
    display: block;
    font-size: 0.65rem;
    color: #93c5fd;
    margin-top: 0.3rem;
    font-weight: 600;
}
.pg-system-map-connector {
    width: 2px;
    height: 0.75rem;
    background: linear-gradient(#3b82f6, rgba(148,163,184,0.5));
}
.pg-system-map-modules {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.4rem;
    width: 100%;
}
.pg-system-map-node {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    background: rgba(255,255,255,0.06);
    border: 1px dashed rgba(148,163,184,0.45);
    border-radius: 6px;
    padding: 0.4rem 0.45rem;
    font-size: 0.68rem;
    font-weight: 600;
    color: #cbd5e1;
    cursor: pointer;
    transition: all 0.15s;
    text-align: left;
    line-height: 1.3;
}
.pg-system-map-node:hover {
    background: rgba(59,130,246,0.15);
    border-color: #60a5fa;
    color: #fff;
}
.pg-system-map-node-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #60a5fa;
    flex-shrink: 0;
}
.pg-system-map-ext {
    width: 100%;
    margin-top: 0.35rem;
    padding-top: 0.55rem;
    border-top: 1px dashed rgba(148,163,184,0.3);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}
.pg-system-map-ext-label {
    font-size: 0.62rem;
    font-weight: 700;
    color: #94a3b8;
    letter-spacing: 0.04em;
}
.pg-system-map-node--ext {
    display: inline-flex;
    width: auto;
    border-style: dotted;
}
.pg-tawers-photo { border-radius: 12px; overflow: hidden; }
.pg-tawers-photo .pd-img-slot--hero { min-height: 160px; }

.pg-module-thumb {
    margin: -1.35rem -1.35rem 1rem;
    border-radius: 10px 10px 0 0;
    overflow: hidden;
}
.pg-module-thumb .pd-img-slot--module { min-height: 140px; border-radius: 0; }
.pg-module-thumb .pd-img-slot-placeholder { min-height: 140px; border-radius: 0; border: none; border-bottom: 1px dashed rgba(96,165,250,0.35); }
.pg-extension-visual {
    margin: -2rem -2rem 1.25rem;
    max-width: calc(100% + 4rem);
}
.pg-extension-visual .pd-img-slot-placeholder { min-height: 180px; border-radius: 12px 12px 0 0; }

.pg-compact-tawers {
    background: #0f172a;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
    font-size: 0.88rem;
}
.pg-compact-tawers-badge {
    display: inline-block;
    background: rgba(59,130,246,0.25);
    border: 1px solid rgba(96,165,250,0.4);
    color: #bfdbfe;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 0.2rem 0.55rem;
    border-radius: 4px;
    margin-right: 0.5rem;
    vertical-align: middle;
}
.pg-compact-tawers a { color: #93c5fd; font-weight: 600; text-decoration: none; }
.pg-compact-tawers a:hover { text-decoration: underline; }

/* Modules section */
.pg-modules { padding: 3.5rem 0 2rem; }
.pg-section-head { text-align: center; max-width: 720px; margin: 0 auto 2rem; }
.pg-section-label {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #3b82f6;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    padding: 0.3rem 0.75rem;
    border-radius: 4px;
    margin-bottom: 0.75rem;
}
.pg-section-head h2 { font-size: clamp(1.25rem, 2.5vw, 1.65rem); font-weight: 800; color: #0f172a; margin-bottom: 0.65rem; }
.pg-section-head p { color: #64748b; font-size: 0.92rem; line-height: 1.7; margin: 0; }

.pg-module-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}
.pg-module-grid::before {
    content: '';
    position: absolute;
    top: -1.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 1.5rem;
    background: linear-gradient(#3b82f6, #cbd5e1);
}
.pg-module-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 1.35rem;
    display: flex;
    flex-direction: column;
    transition: all 0.2s;
    position: relative;
}
.pg-module-card::before {
    content: '';
    position: absolute;
    top: 0; left: 1.25rem; right: 1.25rem;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #1e40af);
    border-radius: 0 0 3px 3px;
    opacity: 0.6;
}
.pg-module-parent-badge {
    position: absolute;
    top: 0.65rem;
    right: 0.65rem;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1d4ed8;
    font-size: 0.62rem;
    font-weight: 800;
    padding: 0.2rem 0.45rem;
    border-radius: 4px;
    letter-spacing: 0.02em;
    z-index: 1;
}
.pg-module-parent-badge--ext {
    position: static;
    display: inline-block;
    margin-bottom: 0.75rem;
    background: #f8fafc;
    border-style: dashed;
    color: #64748b;
}
.pg-module-card:hover { border-color: #93c5fd; box-shadow: 0 8px 24px rgba(59,130,246,0.1); transform: translateY(-2px); }
.pg-module-badge {
    font-size: 0.7rem;
    font-weight: 700;
    color: #3b82f6;
    margin-bottom: 0.5rem;
    margin-top: 0.25rem;
}
.pg-module-card h3 { font-size: 1rem; font-weight: 700; color: #0f172a; margin-bottom: 0.55rem; line-height: 1.4; }
.pg-module-card p { font-size: 0.82rem; color: #64748b; line-height: 1.65; flex: 1; margin-bottom: 1rem; }
.pg-module-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 1rem; }
.pg-module-tags span {
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.68rem;
    font-weight: 600;
    color: #475569;
}
.pg-module-link {
    display: block;
    text-align: center;
    padding: 0.65rem;
    background: #0f172a;
    color: #fff;
    border-radius: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s;
}
.pg-module-link:hover { background: #1e293b; }

/* Extension section */
.pg-extension { padding: 2rem 0 4rem; }
.pg-extension-card {
    max-width: 720px;
    margin: 0 auto;
    background: #fff;
    border: 1px dashed #94a3b8;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
}
.pg-extension-card h3 { font-size: 1.15rem; font-weight: 700; color: #0f172a; margin-bottom: 0.65rem; }
.pg-extension-card p { color: #64748b; font-size: 0.88rem; line-height: 1.65; margin-bottom: 1.25rem; }

.pg-hidden { display: none !important; }

@media (max-width: 1024px) {
    .pg-tawers-grid {
        display: flex;
        flex-direction: column;
    }
    .pg-tawers-visual-col { order: -1; margin-bottom: 0.5rem; }
    .pg-tawers-text { order: 0; }
    .pg-system-map-modules { grid-template-columns: repeat(2, 1fr); }
    .pg-module-grid { grid-template-columns: repeat(2, 1fr); }
    .pg-filter-row-label { min-width: 100%; padding-left: 0 !important; }
}
@media (max-width: 640px) {
    .pg-system-map-modules { grid-template-columns: 1fr 1fr; }
    .pg-module-grid { grid-template-columns: 1fr; }
    .pg-filters { top: 70px; }
    .pg-tawers { padding: 2rem 0; }
}