/* ============================================================
   이지정보통신 — Component Library
   Reusable UI components for all pages
   ============================================================ */

/* ──────────────────── DETAIL VIEW BUTTON ──────────────────── */
.btn-detail-view {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    background: transparent;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
}

.btn-detail-view:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(230, 0, 126, 0.3);
}

[data-theme="dark"] .btn-detail-view {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .btn-detail-view:hover {
    color: #fff;
    border-color: var(--accent);
}

/* ──────────────────── HERO SECTION ──────────────────── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero--short {
    min-height: 480px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-overlay--dark {
    background: linear-gradient(180deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.6) 100%);
}

.hero-overlay--light {
    background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.7) 100%);
}

.hero-overlay--gradient {
    background: linear-gradient(135deg, rgba(11,16,33,0.92) 0%, rgba(20,40,160,0.88) 50%, rgba(230,0,126,0.7) 100%);
}

.hero-overlay--mesh {
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(230,0,126,0.25) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(20,40,160,0.3) 0%, transparent 60%),
        radial-gradient(ellipse at 50% 80%, rgba(11,81,197,0.2) 0%, transparent 60%),
        linear-gradient(135deg, #0b1021 0%, #0d1842 50%, #1a0a2e 100%);
}

/* Grid pattern */
.hero-pattern {
    position: absolute;
    inset: 0;
    z-index: 2;
    background-image: 
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: #fff;
    max-width: 900px;
    padding: 0 var(--content-padding);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 10px 24px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 32px;
    backdrop-filter: blur(8px);
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -1.5px;
    text-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.hero-title .accent {
    color: var(--accent);
    text-shadow: 0 0 40px rgba(230,0,126,0.4);
}

.hero-desc {
    font-size: clamp(16px, 2.5vw, 22px);
    color: rgba(255,255,255,0.85);
    font-weight: 400;
    line-height: 1.6;
    max-width: 640px;
    margin: 0 auto 40px;
    word-break: keep-all;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.6);
    font-size: 13px;
    text-align: center;
    z-index: 3;
    animation: heroScroll 2.5s infinite;
    letter-spacing: 2px;
}

.hero-scroll i {
    display: block;
    margin-top: 8px;
    font-size: 18px;
}

@keyframes heroScroll {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.6; }
    50% { transform: translateX(-50%) translateY(8px); opacity: 1; }
}

/* ──────────────────── CARDS ──────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.card-glass {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-light);
}

.card-body {
    padding: 32px;
}

.card-icon {
    width: 64px;
    height: 64px;
    background: var(--accent-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--accent);
    margin-bottom: 20px;
    transition: all var(--duration-normal) ease;
}

.card:hover .card-icon {
    background: var(--accent);
    color: #fff;
    transform: scale(1.05);
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.card-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    word-break: keep-all;
}

/* ──────────────────── STAT COUNTER ──────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    transition: all var(--duration-normal) var(--ease-out);
}

.stat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow);
    border-color: var(--accent);
}

.stat-icon {
    font-size: 36px;
    color: var(--accent);
    flex-shrink: 0;
    margin-top: 4px;
}

.stat-number {
    font-size: 40px;
    font-weight: 900;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 8px;
    font-family: 'Inter', sans-serif;
}

.stat-number small {
    font-size: 20px;
    font-weight: 600;
}

.stat-label {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.stat-sub {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    word-break: keep-all;
}

/* ──────────────────── GRID SYSTEM ──────────────────── */
.grid {
    display: grid;
    gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-2,
    .grid-3,
    .grid-4 { grid-template-columns: 1fr; }
}

/* ──────────────────── PRODUCT CARDS ──────────────────── */
.prod-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-out);
    display: flex;
    flex-direction: column;
}

.prod-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
}

.prod-card-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.prod-card-body {
    padding: 32px 24px;
    display: flex;
    gap: 24px;
    align-items: center;
    flex: 1;
}

.prod-img {
    width: 35%;
    text-align: center;
}

.prod-img img {
    max-width: 100%;
    max-height: 240px;
    object-fit: contain;
    transition: transform var(--duration-normal) ease;
}

.prod-card:hover .prod-img img {
    transform: scale(1.06);
}

.prod-info {
    width: 65%;
    display: flex;
    flex-direction: column;
}

.prod-name {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.prod-desc {
    font-size: 16px;
    color: var(--text-tertiary);
    font-weight: 500;
    margin-bottom: 20px;
}

.spec-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.spec-item {
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.spec-item i {
    color: var(--text-tertiary);
    width: 18px;
    text-align: center;
}

.target-box {
    background: var(--navy-light);
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-primary);
    margin-top: auto;
}

.target-box b {
    color: var(--navy);
    margin-right: 6px;
}

[data-theme="dark"] .target-box b {
    color: #7b9eff;
}

/* ──────────────────── BADGES ──────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 700;
}

.badge--accent {
    background: var(--accent);
    color: #fff;
}

.badge--navy {
    background: var(--navy);
    color: #fff;
}

.badge--dark {
    background: #444;
    color: #fff;
}

.badge--outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* ──────────────────── PRICING CARDS ──────────────────── */
.price-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
}

.price-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.price-card--featured {
    border: 2px solid var(--accent);
    box-shadow: var(--shadow-glow);
}

.price-card--featured::before {
    content: 'BEST';
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: #fff;
    padding: 5px 18px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1px;
}

.price-amount {
    font-size: 36px;
    font-weight: 900;
    color: var(--text-primary);
    margin: 20px 0;
    font-family: 'Inter', sans-serif;
}

.price-amount span {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-tertiary);
}

.price-desc {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.5;
}

.price-features {
    text-align: left;
    margin-bottom: 24px;
}

.price-features li {
    font-size: 15px;
    color: var(--text-secondary);
    padding: 10px 0;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.price-features li i {
    color: var(--accent);
    margin-top: 3px;
    flex-shrink: 0;
}

/* ──────────────────── CASE STUDY CARDS ──────────────────── */
.case-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-normal) var(--ease-out);
    display: flex;
    flex-direction: column;
}

.case-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.case-img {
    height: 220px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.case-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    color: #fff;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
}

.case-body {
    padding: 32px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.case-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.case-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
    word-break: keep-all;
}

.case-result {
    background: var(--navy-light);
    color: var(--navy);
    padding: 14px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 15px;
    text-align: center;
}

[data-theme="dark"] .case-result {
    color: #7b9eff;
}

/* ──────────────────── PROCESS STEPS ──────────────────── */
.process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-top: 48px;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 44px;
    left: 60px;
    right: 60px;
    height: 2px;
    background: var(--border-color);
    z-index: 0;
}

.step-item {
    position: relative;
    z-index: 1;
    text-align: center;
    width: 18%;
}

.step-icon {
    width: 88px;
    height: 88px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--text-tertiary);
    transition: all var(--duration-normal) var(--ease-out);
}

.step-item.active .step-icon {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 24px var(--accent-light);
    transform: scale(1.08);
}

.step-title {
    font-size: 17px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.step-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    word-break: keep-all;
}

/* ──────────────────── TIMELINE ──────────────────── */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 20px;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--border-color));
}

.timeline-item {
    position: relative;
    padding-left: 56px;
    margin-bottom: 40px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 6px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 3px solid var(--accent);
    z-index: 1;
    transition: all var(--duration-normal) ease;
}

.timeline-item:hover::before {
    background: var(--accent);
    transform: scale(1.3);
}

.timeline-year {
    font-size: 22px;
    font-weight: 900;
    color: var(--accent);
    margin-bottom: 12px;
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: all var(--duration-normal) var(--ease-out);
}

.timeline-content:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.timeline-entry {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    padding: 4px 0 4px 16px;
    position: relative;
}

.timeline-entry::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* ──────────────────── KNOX SECTION ──────────────────── */
.knox-card {
    background: var(--bg-card);
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--duration-normal) var(--ease-out);
    border: 1px solid var(--border-light);
}

.knox-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--navy);
}

.knox-icon {
    width: 72px;
    height: 72px;
    background: var(--navy-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--navy);
    font-size: 28px;
    transition: all var(--duration-normal) ease;
}

[data-theme="dark"] .knox-icon {
    color: #7b9eff;
}

.knox-card:hover .knox-icon {
    background: var(--navy);
    color: #fff;
    transform: scale(1.1);
}

.knox-card h3 {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.knox-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ──────────────────── MODALS & CTAS (from subpages) ──────────────────── */
.svc-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.6);z-index:9999;display:none;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(4px);}
.svc-modal-overlay.active{display:flex;}
.svc-modal{background:var(--bg-primary);border-radius:var(--radius-lg);max-width:700px;width:100%;max-height:85vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,0.3);position:relative;animation:modalIn 0.3s ease;-ms-overflow-style:none;scrollbar-width:none;}
.svc-modal::-webkit-scrollbar{display:none;}
@keyframes modalIn{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:translateY(0);}}
.svc-modal-header{padding:30px 30px 0;display:flex;justify-content:space-between;align-items:flex-start;}
.svc-modal-header h3{font-size:1.5rem;font-weight:800;color:var(--text-primary);margin:0;}
.svc-modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-secondary);padding:5px;line-height:1;}
.svc-modal-body{padding:20px 30px 30px;}
.svc-modal-body h4{font-size:1.1rem;font-weight:700;color:var(--text-primary);margin:20px 0 15px;position:relative;padding-left:12px;}
.svc-modal-body h4::before{content:'';position:absolute;left:0;top:3px;bottom:3px;width:4px;background:var(--accent);border-radius:2px;}
.svc-modal-body p{font-size:0.95rem;color:var(--text-secondary);line-height:1.7;}

.svc-summary { display:flex; gap:20px; background:var(--bg-secondary); padding:25px; border-radius:var(--radius-md); margin-bottom:25px; align-items:center; border:1px solid var(--border-color); }
.svc-icon { font-size:3rem; color:var(--accent); }
.svc-summary h4 { margin:0 0 8px 0 !important; font-size:1.2rem !important; padding:0 !important; }
.svc-summary h4::before { display:none; }
.svc-summary p { margin:0 !important; color:var(--text-primary); font-size:1rem; }
.pricing-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(180px, 1fr)); gap:15px; margin-bottom:25px; }
.price-item { border:1px solid var(--border-color); border-radius:var(--radius-md); padding:20px 15px; text-align:center; background:var(--bg-primary); transition:transform 0.2s, box-shadow 0.2s; }
.price-item:hover { transform:translateY(-3px); box-shadow:var(--shadow-md); border-color:var(--accent); }
.price-name { font-weight:700; color:var(--text-primary); margin-bottom:12px; font-size:1.05rem; }
.price-val { font-size:1.4rem; font-weight:800; color:var(--accent); margin-bottom:12px; }
.price-desc { font-size:0.9rem; color:var(--text-secondary); line-height:1.5; }
.check-list { list-style:none !important; padding:0 !important; margin-bottom:25px !important; }
.check-list li { position:relative; padding-left:28px; margin-bottom:12px; font-size:0.95rem; line-height:1.6; color:var(--text-secondary); }
.check-list li::before { content:'\f00c'; font-family:'Font Awesome 5 Free'; font-weight:900; color:var(--accent); position:absolute; left:0; top:2px; font-size:1.1rem; }
.tag-cloud { display:flex; flex-wrap:wrap; gap:10px; margin-bottom:25px; }
.tag-cloud .badge { font-size:0.9rem; padding:6px 12px; }

.pricing-data-table { width:100%; border-collapse:collapse; margin-top:20px; background:var(--bg-primary); font-size:0.95rem; text-align:center; box-shadow:var(--shadow-sm); border-radius:var(--radius-md); overflow:hidden; }
.pricing-data-table th { background:var(--bg-secondary); padding:15px; font-weight:700; color:var(--text-primary); border-bottom:2px solid var(--border-color); white-space:nowrap; }
.pricing-data-table td { padding:15px; border-bottom:1px solid var(--border-color); color:var(--text-secondary); vertical-align:middle; line-height:1.5; }
.pricing-data-table tr:last-child td { border-bottom:none; }
.pricing-data-table strong { color:var(--accent); font-weight:700; }
.btn-outline-custom { background:transparent; border:2px solid var(--border-color); color:var(--text-primary); padding:12px 20px; border-radius:var(--radius-sm); font-weight:600; text-decoration:none; display:inline-block; transition:all 0.3s; }
.btn-outline-custom:hover { border-color:var(--accent); color:var(--accent); }

.plan-category { font-size:1.3rem; font-weight:700; color:var(--text-primary); margin:40px 0 20px; border-bottom:2px solid var(--accent); padding-bottom:10px; display:inline-block; }
.doc-box { background:var(--bg-secondary); border:1px solid var(--border-color); border-radius:var(--radius-md); padding:25px; text-align:center; margin-bottom:20px; }
.doc-box h4 { margin-bottom:10px; font-size:1.2rem; color:var(--text-primary); }

/* ──────────────────── M2M CALCULATOR CARDS ──────────────────── */
.m2m-line-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    position: relative;
}
.m2m-line-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}
.m2m-btn-remove {
    background: none; border: none; color: #ff4d4f; cursor: pointer; font-size: 0.9rem; font-weight: 600; padding:5px 10px; border-radius: 4px;
}
.m2m-btn-remove:hover {
    background: rgba(255,77,79,0.1);
}
.m2m-device-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    margin-top: 10px;
}
.m2m-device-opt {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px 5px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg-primary);
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
}
.m2m-device-opt.active {
    border-color: var(--accent);
    background: rgba(230, 0, 126, 0.05); /* Changed from red to accent */
    box-shadow: 0 0 0 1px var(--accent);
}
.m2m-device-opt.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background: var(--bg-tertiary);
}
.m2m-device-opt img {
    height: 40px; margin-bottom: 5px;
}
.m2m-device-name {
    font-size: 0.85rem; font-weight: 600; color: var(--text-primary);
}
.m2m-device-price {
    font-size: 0.8rem; color: var(--text-tertiary);
}
.m2m-plan-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.m2m-plan-opt {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg-primary);
}
.m2m-plan-opt.active {
    border-color: var(--accent);
    background: rgba(230, 0, 126, 0.05);
    box-shadow: 0 0 0 1px var(--accent);
}
.m2m-plan-name {
    font-weight: 700; font-size: 0.95rem; color: var(--text-primary); margin-bottom: 4px;
}
.m2m-plan-data {
    font-size: 0.85rem; color: var(--accent); font-weight: 600; margin-bottom: 4px;
}
.m2m-plan-price {
    font-size: 0.9rem; color: var(--text-secondary);
}

/* ──────────────────── TABS (internet.php) ──────────────────── */
.category-tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }
.tab-btn { padding: 12px 30px; border-radius: 50px; background-color: var(--bg-primary); border: 1px solid var(--border-light); color: var(--text-secondary); text-decoration: none; font-size: 16px; font-weight: 500; transition: all 0.2s; cursor:pointer;}
.tab-btn:hover { border-color: var(--text-primary); color: var(--text-primary); }
.tab-btn.active { background-color: var(--text-primary); border-color: var(--text-primary); color: var(--bg-primary); font-weight: 700; box-shadow: var(--shadow-md); }

/* ──────────────────── CALCULATOR (internet.php) ──────────────────── */
.calc-container { background: var(--bg-primary); border: 2px solid var(--border-color); border-radius: var(--radius-lg); padding: 40px; margin-top: 50px; box-shadow: var(--shadow-md); }
.calc-header { text-align: center; margin-bottom: 30px; }
.calc-header h3 { font-size: 1.8rem; color: var(--text-primary); margin-bottom: 10px; font-weight: 800; }
.calc-header p { color: var(--text-secondary); font-size:1.05rem; }
.calc-row { display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 20px; align-items: center; border-bottom:1px dashed var(--border-light); padding-bottom:20px; }
.calc-row:last-of-type { border-bottom:none; padding-bottom:0; }
.calc-label { width: 140px; font-weight: 700; color: var(--text-primary); font-size:1.1rem; }
.calc-options { display: flex; gap: 10px; flex: 1; flex-wrap: wrap; }
.calc-opt { flex: 1; min-width: 120px; text-align: center; padding: 14px; border: 1px solid var(--border-light); border-radius: var(--radius-md); cursor: pointer; transition: all 0.2s; background: var(--bg-secondary); color: var(--text-secondary); font-weight: 500;}
.calc-opt:hover { border-color:var(--text-tertiary); }
.calc-opt.active { background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 700; box-shadow: 0 4px 10px rgba(230,0,126,0.3); }
.calc-opt small { display:block; font-size:0.8rem; margin-top:4px; opacity:0.8; font-weight:400; }
.calc-result { margin-top: 20px; padding: 30px; background:var(--bg-secondary); border-radius:var(--radius-md); text-align: center; }
.calc-price { font-size: 3rem; font-weight: 800; color: var(--accent); margin: 10px 0; letter-spacing: -1px;}
.calc-price span { font-size: 1.2rem; font-weight: 500; color: var(--text-secondary); }
.calc-notice { font-size:0.85rem; color:var(--text-tertiary); margin-top:15px; }

/* ──────────────────── BANNER / CTA ──────────────────── */
.cta-banner {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    box-shadow: var(--shadow-xl);
}

.cta-banner h3 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 8px;
}

.cta-banner p {
    font-size: 17px;
    opacity: 0.7;
}

/* ── CTA Banner (mobile.php 전용) ── */
.cta-banner--mobile {
    background: #fff;
    border: 1px solid var(--border-color);
    padding: 50px 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
}

.cta-banner__text {
    flex: 1;
    min-width: 0;
    text-align: left;
}

.cta-banner__text h3 {
    color: var(--text-primary);
    font-size: 2.2rem;
    margin-bottom: 15px;
    font-weight: 800;
    word-break: keep-all;
}

.cta-banner__text p {
    color: var(--text-secondary);
    font-size: 1.15rem;
    font-weight: 400;
    margin: 0;
    opacity: 1;
}

.cta-banner__text p strong {
    color: var(--text-primary);
    font-weight: 700;
}

.cta-banner__buttons {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.cta-banner__btn {
    font-size: 1.1rem;
    padding: 16px 32px;
    border-radius: 8px;
    font-weight: 700;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    white-space: nowrap;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.cta-banner__btn--tel {
    background: #fff;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.cta-banner__btn--tel:hover {
    background: var(--bg-secondary);
}

.cta-banner__btn--cta {
    background: var(--accent);
    color: #fff;
    border: none;
    box-shadow: 0 4px 15px rgba(230,0,110,0.3);
}

.cta-banner__btn--cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(230,0,110,0.4);
}

@media (max-width: 768px) {
    .cta-banner--mobile {
        flex-direction: column;
        text-align: center;
        padding: 30px 20px;
        gap: 20px;
    }

    .cta-banner__text {
        text-align: center;
    }

    .cta-banner__text h3 {
        font-size: 1.4rem;
        margin-bottom: 10px;
    }

    .cta-banner__text p {
        font-size: 0.95rem;
    }

    .cta-banner__buttons {
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }

    .cta-banner__btn {
        width: 100%;
        justify-content: center;
        font-size: 1rem;
        padding: 14px 20px;
        box-sizing: border-box;
    }
}

/* ──────────────────── INSIGHT / BLOG CARDS ──────────────────── */
.story-card {
    display: block;
    text-decoration: none;
    color: inherit;
}

.story-thumb {
    position: relative;
    width: 100%;
    padding-top: 66%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 20px;
    background: var(--bg-tertiary);
}

.story-thumb img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

.story-card:hover .story-thumb img {
    transform: scale(1.08);
}

.story-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.story-excerpt {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.story-date {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* ──────────────────── FORM COMPONENTS ──────────────────── */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-weight: 700;
    margin-bottom: 8px;
    font-size: 15px;
    color: var(--text-primary);
}

.form-required {
    color: var(--accent);
    margin-left: 3px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 15px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--duration-fast) ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 4px var(--accent-light);
}

/* ──────────────────── RESPONSIVE OVERRIDES ──────────────────── */
@media (max-width: 1024px) {
    .process-steps {
        flex-direction: column;
        gap: 24px;
    }
    .process-steps::before { display: none; }
    .step-item { width: 100%; }

    .cta-banner {
        flex-direction: column;
        text-align: center;
        padding: 36px;
    }
}

@media (max-width: 768px) {
    .prod-card-body {
        flex-direction: column;
        text-align: center;
    }

    .prod-img,
    .prod-info {
        width: 100%;
    }

    .spec-grid {
        justify-items: center;
    }

    .hero--short {
        min-height: 360px;
    }

    .hero-title {
        font-size: clamp(28px, 7vw, 42px);
    }
}