/* ===================================================
   hedging.css – Hedging Education Module
   Color theme: Teal (#0d9488) + Navy (#003366)
   =================================================== */

:root {
    --hdg-primary: #0d9488;
    --hdg-primary-dark: #0f766e;
    --hdg-primary-light: #5eead4;
    --hdg-navy: #003366;
    --hdg-light-bg: #f0fdfa;
    --hdg-border: #99f6e4;
    --hdg-amber: #f59e0b;
    --hdg-danger: #dc2626;
    --hdg-success: #16a34a;
    --hdg-gray: #64748b;
    --hdg-text: #1e293b;
    --hdg-card-shadow: 0 4px 20px rgba(13, 148, 136, 0.1);
}

/* === Input card === */
.hdg-input-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.10);
    margin-bottom: 2rem;
    overflow: hidden;
    border: 1px solid #e2e8f0;
}

.hdg-card-header {
    background: linear-gradient(135deg, #003366 0%, #0d9488 100%);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.hdg-card-header h2 {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hdg-card-header h2 i {
    font-size: 1.1rem;
    opacity: 0.9;
}

.hdg-form-body {
    padding: 24px;
}

.hdg-section-label {
    font-weight: 700;
    color: var(--hdg-navy);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hdg-form-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hdg-form-group {
    flex: 1;
    min-width: 200px;
}

.hdg-form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    color: #374151;
    margin-bottom: 6px;
}

.hdg-input-wrap {
    position: relative;
}

.hdg-input-wrap input {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid #d1d5db;
    border-radius: 8px;
    font-size: 0.95rem;
    box-sizing: border-box;
    transition: border-color 0.2s, box-shadow 0.2s;
    color: var(--hdg-text);
    background: #fafafa;
}

.hdg-input-wrap input:focus {
    border-color: var(--hdg-primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
    outline: none;
    background: #fff;
}

.hdg-ticker-hint {
    margin-top: 6px;
    font-size: 0.78rem;
    color: var(--hdg-gray);
}

.hdg-ticker-hint a {
    color: var(--hdg-primary);
    text-decoration: none;
    font-weight: 500;
}

.hdg-ticker-hint a:hover { text-decoration: underline; }

.hdg-submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #003366 0%, #0d9488 100%);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    margin-top: 20px;
    transition: opacity 0.2s, transform 0.2s;
    letter-spacing: 0.02em;
}

.hdg-submit-btn:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}

.hdg-submit-btn i { font-size: 1rem; }

/* === Loading === */
#hdg-loading {
    text-align: center;
    padding: 40px 20px;
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--hdg-card-shadow);
    margin-bottom: 2rem;
}

#hdg-loading .hdg-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid #e2e8f0;
    border-top-color: var(--hdg-primary);
    border-radius: 50%;
    animation: hdg-spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

@keyframes hdg-spin {
    to { transform: rotate(360deg); }
}

#hdg-loading p {
    color: var(--hdg-gray);
    font-size: 0.95rem;
    margin: 0;
}

/* === Step wizard === */
.hdg-step {
    display: none;
    background: #fff;
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.07);
    border: 1px solid #e2e8f0;
    animation: hdg-fadein 0.35s ease;
}

.hdg-step.active { display: block; }

@keyframes hdg-fadein {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hdg-step-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--hdg-light-bg);
}

.hdg-step-badge {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #003366 0%, #0d9488 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
}

.hdg-step-title-wrap h3 {
    margin: 0 0 4px 0;
    color: var(--hdg-navy);
    font-size: 1.35rem;
    font-weight: 700;
}

.hdg-step-title-wrap p {
    margin: 0;
    color: var(--hdg-gray);
    font-size: 0.9rem;
}

/* === Explanation box === */
.hdg-explain-box {
    background: linear-gradient(135deg, var(--hdg-light-bg) 0%, #e0fdf4 100%);
    border: 1px solid var(--hdg-border);
    border-left: 4px solid var(--hdg-primary);
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 24px;
}

.hdg-explain-box h4 {
    color: var(--hdg-primary-dark);
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 12px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hdg-explain-box p {
    color: #1e4340;
    font-size: 0.92rem;
    line-height: 1.75;
    margin: 0 0 10px 0;
}

.hdg-explain-box p:last-child { margin-bottom: 0; }

.hdg-explain-box ul {
    margin: 0;
    padding-left: 20px;
    color: #1e4340;
    font-size: 0.92rem;
    line-height: 1.75;
}

.hdg-explain-box li { margin-bottom: 6px; }

/* === Info strip (key stats row) === */
.hdg-stats-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.hdg-stat-card {
    background: #fff;
    border: 1.5px solid #e2e8f0;
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.hdg-stat-card:hover {
    border-color: var(--hdg-primary-light);
    box-shadow: var(--hdg-card-shadow);
}

.hdg-stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--hdg-navy);
    display: block;
    margin-bottom: 4px;
    letter-spacing: -0.02em;
}

.hdg-stat-label {
    font-size: 0.75rem;
    color: var(--hdg-gray);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.hdg-stat-card.teal .hdg-stat-value { color: var(--hdg-primary); }
.hdg-stat-card.amber .hdg-stat-value { color: var(--hdg-amber); }
.hdg-stat-card.danger .hdg-stat-value { color: var(--hdg-danger); }

/* === Concept cards (step 1) === */
.hdg-concept-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 20px;
}

.hdg-concept-card {
    background: #fff;
    border: 1.5px solid #e2e8f0;
    border-radius: 14px;
    padding: 22px;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.hdg-concept-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
}

.hdg-concept-card.concept-what::before { background: var(--hdg-primary); }
.hdg-concept-card.concept-why::before  { background: var(--hdg-amber); }
.hdg-concept-card.concept-cost::before { background: var(--hdg-danger); }

.hdg-concept-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(13, 148, 136, 0.12);
}

.hdg-concept-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 14px;
}

.concept-what .hdg-concept-icon { background: #e0fdf4; color: var(--hdg-primary); }
.concept-why  .hdg-concept-icon { background: #fef3c7; color: var(--hdg-amber); }
.concept-cost .hdg-concept-icon { background: #fee2e2; color: var(--hdg-danger); }

.hdg-concept-card h5 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--hdg-navy);
    margin: 0 0 10px 0;
}

.hdg-concept-card p {
    font-size: 0.875rem;
    color: var(--hdg-gray);
    line-height: 1.65;
    margin: 0;
}

/* === Chart container === */
.hdg-chart-wrap {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    overflow: hidden;
}

.hdg-chart-wrap h5 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--hdg-navy);
    margin: 0 0 16px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hdg-chart-wrap h5 i { color: var(--hdg-primary); }

.hdg-chart-inner {
    min-height: 320px;
    width: 100%;
}

.hdg-chart-dual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 20px 0;
}

/* === Calculator (Step 3) === */
.hdg-calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 20px 0;
}

.hdg-calc-panel {
    background: var(--hdg-light-bg);
    border: 1.5px solid var(--hdg-border);
    border-radius: 14px;
    padding: 22px;
}

.hdg-calc-panel h5 {
    color: var(--hdg-primary-dark);
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0 0 16px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hdg-input-group {
    margin-bottom: 16px;
}

.hdg-input-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 6px;
}

.hdg-input-group input[type="range"] {
    width: 100%;
    accent-color: var(--hdg-primary);
    cursor: pointer;
}

.hdg-range-val {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--hdg-primary);
    float: right;
}

.hdg-input-group select,
.hdg-input-group input[type="number"] {
    width: 100%;
    padding: 9px 12px;
    border: 1.5px solid #d1d5db;
    border-radius: 8px;
    font-size: 0.9rem;
    box-sizing: border-box;
    background: #fff;
}

.hdg-result-display {
    background: linear-gradient(135deg, #003366 0%, #0d9488 100%);
    border-radius: 14px;
    padding: 24px;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
}

.hdg-result-display h5 {
    margin: 0;
    font-size: 0.85rem;
    opacity: 0.8;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hdg-result-number {
    font-size: 2.8rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.03em;
}

.hdg-result-sub {
    font-size: 0.85rem;
    opacity: 0.8;
}

.hdg-formula-box {
    background: rgba(255,255,255,0.15);
    border-radius: 8px;
    padding: 12px;
    font-size: 0.82rem;
    font-family: 'Courier New', monospace;
    opacity: 0.9;
    line-height: 1.6;
}

/* === Scenario table (Step 4) === */
.hdg-scenario-table-wrap {
    overflow-x: auto;
    margin: 16px 0;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
}

.hdg-scenario-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
    min-width: 480px;
}

.hdg-scenario-table th {
    background: linear-gradient(135deg, #003366 0%, #0d9488 100%);
    color: #fff;
    padding: 12px 16px;
    text-align: center;
    font-weight: 600;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.hdg-scenario-table td {
    padding: 13px 16px;
    text-align: center;
    border-bottom: 1px solid #f1f5f9;
    font-weight: 500;
}

.hdg-scenario-table tr:last-child td { border-bottom: none; }
.hdg-scenario-table tr:hover td { background: #f8fafc; }

.hdg-scenario-table .loss { color: var(--hdg-danger); font-weight: 700; }
.hdg-scenario-table .gain { color: var(--hdg-success); font-weight: 700; }
.hdg-scenario-table .net-positive { color: var(--hdg-success); font-weight: 800; }
.hdg-scenario-table .net-negative { color: var(--hdg-danger); font-weight: 700; }
.hdg-scenario-table .net-neutral  { color: var(--hdg-gray); font-weight: 700; }

/* === Options strike selector (Steps 5 & 6) === */
.hdg-strike-selector {
    background: var(--hdg-light-bg);
    border: 1.5px solid var(--hdg-border);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.hdg-strike-selector h5 {
    margin: 0 0 16px 0;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--hdg-primary-dark);
}

.hdg-strike-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.hdg-strike-pill {
    padding: 6px 14px;
    border-radius: 20px;
    border: 1.5px solid var(--hdg-border);
    background: #fff;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--hdg-primary-dark);
    cursor: pointer;
    transition: all 0.15s;
}

.hdg-strike-pill:hover {
    background: var(--hdg-primary);
    color: #fff;
    border-color: var(--hdg-primary);
}

.hdg-strike-pill.active {
    background: var(--hdg-primary);
    color: #fff;
    border-color: var(--hdg-primary);
    box-shadow: 0 2px 8px rgba(13, 148, 136, 0.3);
}

.hdg-option-info-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 16px;
}

.hdg-option-info-item {
    text-align: center;
    background: #fff;
    border-radius: 8px;
    padding: 12px 8px;
    border: 1px solid #e2e8f0;
}

.hdg-option-info-item .val {
    display: block;
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--hdg-navy);
}

.hdg-option-info-item .lbl {
    font-size: 0.72rem;
    color: var(--hdg-gray);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* === Rolling chart tabs === */
.hdg-tab-btns {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.hdg-tab-btn {
    padding: 7px 16px;
    border-radius: 8px;
    border: 1.5px solid #e2e8f0;
    background: #fff;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--hdg-gray);
    cursor: pointer;
    transition: all 0.15s;
}

.hdg-tab-btn.active,
.hdg-tab-btn:hover {
    background: var(--hdg-primary);
    color: #fff;
    border-color: var(--hdg-primary);
}

/* === Strategy cards (Step 8) === */
.hdg-strategy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 20px;
}

.hdg-strategy-card {
    background: #fff;
    border: 1.5px solid #e2e8f0;
    border-radius: 14px;
    padding: 22px;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.hdg-strategy-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
}

.hdg-strategy-card.s1::before { background: var(--hdg-primary); }
.hdg-strategy-card.s2::before { background: var(--hdg-navy); }
.hdg-strategy-card.s3::before { background: var(--hdg-success); }
.hdg-strategy-card.s4::before { background: var(--hdg-amber); }

.hdg-strategy-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.hdg-strategy-card.recommended {
    border-color: var(--hdg-primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.hdg-strategy-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--hdg-light-bg);
    color: var(--hdg-primary-dark);
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.hdg-strategy-badge.recommended-badge {
    background: var(--hdg-primary);
    color: #fff;
}

.hdg-strategy-card h5 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--hdg-navy);
    margin: 0 0 10px 0;
}

.hdg-strategy-card p {
    font-size: 0.87rem;
    color: var(--hdg-gray);
    line-height: 1.65;
    margin: 0 0 14px 0;
}

.hdg-strategy-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.hdg-meta-tag {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}

.hdg-meta-tag.cost-low    { background: #dcfce7; color: #15803d; }
.hdg-meta-tag.cost-mid    { background: #fef3c7; color: #b45309; }
.hdg-meta-tag.cost-high   { background: #fee2e2; color: #dc2626; }
.hdg-meta-tag.protect-full { background: #dbeafe; color: #1d4ed8; }
.hdg-meta-tag.protect-part { background: #f0fdf4; color: #16a34a; }

.hdg-recommendation-banner {
    background: linear-gradient(135deg, var(--hdg-primary) 0%, var(--hdg-primary-dark) 100%);
    border-radius: 14px;
    padding: 24px;
    color: #fff;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.hdg-rec-icon {
    width: 56px;
    height: 56px;
    background: rgba(255,255,255,0.2);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.hdg-rec-content h4 {
    margin: 0 0 6px 0;
    font-size: 1.1rem;
    font-weight: 700;
}

.hdg-rec-content p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.85;
    line-height: 1.55;
}

/* === Next step button === */
.hdg-next-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    max-width: 320px;
    margin: 28px auto 0;
    padding: 14px 28px;
    background: linear-gradient(135deg, #003366 0%, #0d9488 100%);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    letter-spacing: 0.02em;
}

.hdg-next-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.35);
}

.hdg-next-btn i { transition: transform 0.2s; }
.hdg-next-btn:hover i { transform: translateX(5px); }

/* View all steps */
#hdg-wizard.hdg-view-all .hdg-step {
    display: block;
}

#hdg-wizard.hdg-view-all .hdg-next-btn {
    display: none;
}

.hdg-view-all-wrap {
    margin-top: 8px;
    padding: 8px 0 24px;
    text-align: center;
}

.hdg-view-all-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    padding: 14px 28px;
    background: #fff;
    color: var(--hdg-navy);
    border: 2px solid var(--hdg-primary);
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s, transform 0.2s;
    letter-spacing: 0.02em;
    box-shadow: 0 2px 12px rgba(13, 148, 136, 0.12);
}

.hdg-view-all-btn:hover {
    background: linear-gradient(135deg, #f0fdfa 0%, #ecfeff 100%);
    color: #0f766e;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.2);
}

.hdg-view-all-btn[aria-expanded="true"] {
    background: linear-gradient(135deg, #003366 0%, #0d9488 100%);
    color: #fff;
    border-color: transparent;
}

.hdg-view-all-btn[aria-expanded="true"]:hover {
    color: #fff;
    background: linear-gradient(135deg, #002952 0%, #0b7d73 100%);
}

/* === Alert === */
.hdg-alert {
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hdg-alert.danger { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.hdg-alert.info   { background: #e0f2fe; color: #0c4a6e; border: 1px solid #bae6fd; }

/* === Divider with label === */
.hdg-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0;
    color: var(--hdg-gray);
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hdg-divider::before,
.hdg-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e2e8f0;
}

/* === Vol heatmap bar (Step 7) === */
.hdg-vol-level-bar {
    display: flex;
    gap: 8px;
    align-items: stretch;
    margin: 16px 0;
    border-radius: 10px;
    overflow: hidden;
    height: 48px;
}

.hdg-vol-zone {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 700;
    color: #fff;
    text-align: center;
    padding: 4px;
}

.hdg-vol-zone.low    { background: #16a34a; }
.hdg-vol-zone.mid    { background: var(--hdg-amber); color: #000; }
.hdg-vol-zone.high   { background: #ea580c; }
.hdg-vol-zone.crisis { background: var(--hdg-danger); }

/* === Progress bar for VaR === */
.hdg-risk-bar-wrap {
    background: #e2e8f0;
    border-radius: 8px;
    height: 10px;
    margin-top: 6px;
    overflow: hidden;
}

.hdg-risk-bar {
    height: 100%;
    border-radius: 8px;
    background: linear-gradient(90deg, var(--hdg-success) 0%, var(--hdg-amber) 50%, var(--hdg-danger) 100%);
    transition: width 0.5s ease;
}

/* ============================================================
   MOBILE RESPONSIVE
   ============================================================ */

@media (max-width: 900px) {
    .hdg-concept-grid {
        grid-template-columns: 1fr;
    }

    .hdg-chart-dual {
        grid-template-columns: 1fr;
    }

    .hdg-calc-grid {
        grid-template-columns: 1fr;
    }

    .hdg-strategy-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hdg-step {
        padding: 20px 16px;
        border-radius: 12px;
    }

    .hdg-step-badge {
        width: 40px;
        height: 40px;
        font-size: 0.95rem;
        border-radius: 10px;
    }

    .hdg-step-title-wrap h3 {
        font-size: 1.15rem;
    }

    .hdg-stats-strip {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .hdg-stat-value { font-size: 1.25rem; }

    .hdg-chart-inner { min-height: 260px; }

    .hdg-option-info-strip {
        grid-template-columns: repeat(2, 1fr);
    }

    .hdg-result-number { font-size: 2.2rem; }

    .hdg-recommendation-banner {
        flex-direction: column;
        text-align: center;
    }

    .hdg-rec-icon { margin: 0 auto; }

    .hdg-form-body { padding: 16px; }

    .hdg-next-btn {
        max-width: 100%;
    }

    .hdg-view-all-btn {
        max-width: 100%;
    }
}

@media (max-width: 576px) {
    .hdg-step {
        padding: 16px 12px;
    }

    .hdg-stats-strip {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .hdg-stat-card { padding: 12px 8px; }
    .hdg-stat-value { font-size: 1.1rem; }
    .hdg-stat-label { font-size: 0.68rem; }

    .hdg-strike-pills { gap: 6px; }
    .hdg-strike-pill { padding: 5px 10px; font-size: 0.78rem; }

    .hdg-option-info-strip {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .hdg-explain-box { padding: 14px 16px; }

    .hdg-chart-inner { min-height: 220px; }

    .hdg-step-header { gap: 12px; }
    .hdg-step-badge { width: 36px; height: 36px; font-size: 0.85rem; border-radius: 9px; }
    .hdg-step-title-wrap h3 { font-size: 1rem; }
    .hdg-step-title-wrap p { font-size: 0.8rem; }
}