/* ============================================================
   FEATURE DEMOS — Interactive Demos for Features Page
   Uses px units to avoid rem scaling issues (html font-size shrinks)
   ============================================================ */

/* ── Feature Grid Cards ── */
.ft-feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.ft-grid-card {
    padding: 24px;
    border-radius: 16px;
    border: 1.5px solid #e5e7eb;
    background: #fff;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: default;
}

.ft-grid-card:hover {
    transform: translateY(-4px);
    border-color: #c7d2fe;
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.1);
}

.ft-grid-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    margin-bottom: 14px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.ft-grid-card:hover .ft-grid-icon {
    transform: scale(1.1) rotate(-3deg);
}

.ft-grid-name {
    font-size: 16px;
    font-weight: 700;
    color: #101828;
    margin-bottom: 6px;
}

.ft-grid-desc {
    font-size: 14px;
    color: #667085;
    line-height: 1.55;
}

@media (max-width: 1024px) {
    .ft-feature-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .ft-feature-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .ft-grid-card { padding: 16px; }
}
@media (max-width: 480px) {
    .ft-feature-grid { grid-template-columns: 1fr; }
}

/* ── Scenario Cards Grid ── */
.scenario-demo { padding: 30px 0; }

.scenario-demo-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 14px;
}

.scenario-demo-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.scenario-demo-title .sd-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.scenario-demo-title h4 {
    font-size: 22px;
    font-weight: 800;
    color: #101828;
    margin: 0;
}

.scenario-demo-title .sd-count {
    font-size: 14px;
    color: #667085;
    font-weight: 500;
}

/* Category filter chips */
.scenario-filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.sf-chip {
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    border: 1.5px solid #e5e7eb;
    background: #fff;
    color: #667085;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.sf-chip:hover {
    border-color: #c7d2fe;
    color: #4f46e5;
    background: rgba(99, 102, 241, 0.04);
}

.sf-chip.active {
    background: rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.3);
    color: #4f46e5;
}

/* Card Grid */
.scenario-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.sc-card {
    position: relative;
    border-radius: 16px;
    border: 1.5px solid #e5e7eb;
    background: #fff;
    padding: 24px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 200px;
    opacity: 0;
    transform: translateY(20px);
}

.sc-card.visible { opacity: 1; transform: translateY(0); }

.sc-card:hover {
    transform: translateY(-3px);
    border-color: var(--sc-glow, #c7d2fe);
    box-shadow: 0 8px 32px var(--sc-shadow, rgba(99, 102, 241, 0.12));
}

.sc-card.is-active {
    border-color: var(--sc-glow, rgba(99, 102, 241, 0.4));
    box-shadow: 0 0 0 1px var(--sc-glow-light, rgba(99, 102, 241, 0.15)), 0 4px 24px var(--sc-shadow, rgba(99, 102, 241, 0.1));
}

.sc-card-glow {
    position: absolute;
    top: -40px;
    right: -40px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}

.sc-card.is-active .sc-card-glow { opacity: 1; }

.sc-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 14px;
}

.sc-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
}

/* Toggle switch */
.sc-toggle {
    position: relative;
    width: 44px;
    height: 24px;
    border-radius: 100px;
    background: #e5e7eb;
    cursor: pointer;
    transition: background 0.3s;
    flex-shrink: 0;
}

.sc-toggle.on { background: var(--sc-glow, #6366f1); }

.sc-toggle-dot {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.sc-toggle.on .sc-toggle-dot { transform: translateX(20px); }

.sc-card-name { font-size: 16px; font-weight: 700; color: #101828; margin-bottom: 4px; }
.sc-card-desc { font-size: 14px; color: #667085; line-height: 1.5; flex: 1; margin-bottom: 14px; }

.sc-card-footer { display: flex; align-items: center; justify-content: space-between; }

.sc-status {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 100px;
}

.sc-status.active { color: var(--sc-glow, #059669); background: var(--sc-glow-light, rgba(5, 150, 105, 0.08)); }
.sc-status.inactive { color: #98a2b3; background: rgba(152, 162, 179, 0.08); }

.sc-action {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    font-weight: 600;
    color: var(--sc-glow, #6366f1);
}

.sc-action i { font-size: 12px; transition: transform 0.2s; }
.sc-card:hover .sc-action i { transform: translateX(3px); }

/* ── Flow Preview (hover overlay) ── */
.sc-flow-preview {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 24px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    border-radius: 16px;
    z-index: 2;
}

.sc-card:hover .sc-flow-preview { opacity: 1; }

.sc-flow-step { display: flex; align-items: center; gap: 10px; font-size: 14px; color: #344054; font-weight: 500; }
.sc-flow-step i { font-size: 16px; }
.sc-flow-arrow { color: #c7d2fe; font-size: 18px; }

/* ═══ BANNED KEYWORD DEMO ═══ */
.bk-demo { background: #fff; border-radius: 18px; border: 1px solid #e5e7eb; overflow: hidden; box-shadow: 0 4px 24px rgba(0,0,0,0.04); }
.bk-demo-top { display: grid; grid-template-columns: 1fr 1fr; min-height: 320px; }

/* Left: Chat simulation */
.bk-chat-sim { padding: 24px; background: #f8f9fc; border-right: 1px solid #e5e7eb; display: flex; flex-direction: column; }

.bk-chat-header { display: flex; align-items: center; gap: 10px; padding-bottom: 14px; border-bottom: 1px solid #e5e7eb; margin-bottom: 18px; }
.bk-chat-avatar { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, #027BFF, #00c6ff); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 14px; }
.bk-chat-name { font-size: 16px; font-weight: 700; color: #101828; }
.bk-chat-role { font-size: 13px; color: #667085; }

.bk-chat-messages { flex: 1; display: flex; flex-direction: column; gap: 10px; overflow: hidden; }

.bk-msg { max-width: 85%; padding: 10px 14px; border-radius: 14px; font-size: 14px; line-height: 1.5; opacity: 0; transform: translateY(10px); transition: all 0.4s ease; }
.bk-msg.visible { opacity: 1; transform: translateY(0); }
.bk-msg.incoming { background: #e8f2ff; color: #1a56db; align-self: flex-start; border-bottom-left-radius: 4px; }
.bk-msg.outgoing { background: #f0f0f0; color: #344054; align-self: flex-end; border-bottom-right-radius: 4px; }
.bk-msg.blocked { background: #fef2f2; border: 1.5px solid #fca5a5; color: #991b1b; position: relative; }
.bk-msg.blocked::after { content: '🚫 Đã chặn'; position: absolute; bottom: -22px; right: 0; font-size: 12px; color: #dc2626; font-weight: 600; }

/* Input area */
.bk-input-area { margin-top: 14px; display: flex; align-items: center; gap: 10px; }
.bk-input { flex: 1; padding: 10px 14px; border: 1.5px solid #e5e7eb; border-radius: 12px; font-size: 14px; color: #344054; background: #fff; outline: none; font-family: inherit; }
.bk-input.has-violation { border-color: #ef4444; background: #fef2f2; }
.bk-send-btn { width: 42px; height: 42px; border-radius: 12px; background: linear-gradient(135deg, #027BFF, #00c6ff); border: none; color: #fff; font-size: 16px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.2s; }
.bk-send-btn.disabled { background: #e5e7eb; cursor: not-allowed; }

/* Right: Shield */
.bk-shield-area { padding: 24px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 24px; }
.bk-shield { width: 120px; height: 120px; border-radius: 50%; background: linear-gradient(135deg, rgba(34,197,94,0.1), rgba(34,197,94,0.05)); display: flex; align-items: center; justify-content: center; position: relative; transition: all 0.5s ease; }
.bk-shield.alert { background: linear-gradient(135deg, rgba(239,68,68,0.12), rgba(239,68,68,0.05)); }
.bk-shield-icon { font-size: 48px; transition: all 0.5s ease; }
.bk-shield:not(.alert) .bk-shield-icon { color: #22c55e; }
.bk-shield.alert .bk-shield-icon { color: #ef4444; animation: bkShake 0.5s ease; }

@keyframes bkShake { 0%, 100% { transform: rotate(0); } 25% { transform: rotate(-10deg); } 75% { transform: rotate(10deg); } }

.bk-shield-ring { position: absolute; inset: -8px; border-radius: 50%; border: 2px solid rgba(34,197,94,0.2); transition: all 0.5s; }
.bk-shield.alert .bk-shield-ring { border-color: rgba(239,68,68,0.3); animation: bkPulse 1s ease infinite; }
@keyframes bkPulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.1); opacity: 0.5; } }
.bk-shield-ring-2 { position: absolute; inset: -18px; border-radius: 50%; border: 1.5px dashed rgba(34,197,94,0.12); transition: all 0.5s; }
.bk-shield.alert .bk-shield-ring-2 { border-color: rgba(239,68,68,0.15); }

.bk-shield-label { font-size: 16px; font-weight: 700; text-align: center; transition: color 0.3s; }
.bk-shield:not(.alert) ~ .bk-shield-label { color: #16a34a; }
.bk-shield.alert ~ .bk-shield-label { color: #dc2626; }

.bk-matched-kw { padding: 6px 14px; background: #fef2f2; border: 1px solid #fca5a5; border-radius: 8px; font-family: monospace; font-size: 14px; font-weight: 600; color: #dc2626; opacity: 0; transform: scale(0.8); transition: all 0.3s; }
.bk-matched-kw.show { opacity: 1; transform: scale(1); }

/* Bottom: How it works cards */
.bk-how-it-works { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding: 24px; border-top: 1px solid #e5e7eb; }
.bk-hiw-card { padding: 20px; border-radius: 14px; border: 1px solid; transition: all 0.3s; }
.bk-hiw-card:hover { transform: translateY(-2px); }
.bk-hiw-card.red { border-color: rgba(239,68,68,0.2); background: rgba(239,68,68,0.03); }
.bk-hiw-card.yellow { border-color: rgba(245,158,11,0.2); background: rgba(245,158,11,0.03); }
.bk-hiw-card.green { border-color: rgba(34,197,94,0.2); background: rgba(34,197,94,0.03); }

.bk-hiw-icon { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 15px; color: #fff; margin-bottom: 12px; }
.bk-hiw-card.red .bk-hiw-icon { background: #ef4444; }
.bk-hiw-card.yellow .bk-hiw-icon { background: #f59e0b; }
.bk-hiw-card.green .bk-hiw-icon { background: #22c55e; }

.bk-hiw-title { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.bk-hiw-card.red .bk-hiw-title { color: #dc2626; }
.bk-hiw-card.yellow .bk-hiw-title { color: #b45309; }
.bk-hiw-card.green .bk-hiw-title { color: #16a34a; }

.bk-hiw-desc { font-size: 14px; color: #667085; line-height: 1.55; }
.bk-hiw-desc strong { color: #344054; }

/* ═══ FEATURE SECTION LAYOUT ═══ */
.ft-section-new { max-width: 100%; padding: 0 24px; margin-bottom: 56px; }

.ft-section-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 36px; margin-bottom: 32px; }
.ft-section-header-left { flex: 1; }

.ft-section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 14px;
}
.ft-section-badge.purple { background: rgba(99,102,241,0.08); color: #4f46e5; }
.ft-section-badge.red { background: rgba(239,68,68,0.08); color: #dc2626; }

.ft-section-header-left h3 { font-size: 28px; font-weight: 700; color: #101828; line-height: 1.35; margin: 0; }
.ft-section-header-right { flex: 1; max-width: 520px; }
.ft-section-header-right p { font-size: 16px; color: #475467; line-height: 1.65; margin: 0; }

/* ═══ ANIMATIONS ═══ */
@keyframes scCardEnter { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes bkTyping { 0%, 100% { opacity: 0.3; } 50% { opacity: 1; } }

.bk-typing-indicator { display: flex; gap: 4px; padding: 10px 14px; background: #f0f0f0; border-radius: 14px; align-self: flex-end; width: fit-content; }
.bk-typing-dot { width: 8px; height: 8px; border-radius: 50%; background: #98a2b3; }
.bk-typing-dot:nth-child(1) { animation: bkTyping 1.2s ease infinite 0s; }
.bk-typing-dot:nth-child(2) { animation: bkTyping 1.2s ease infinite 0.2s; }
.bk-typing-dot:nth-child(3) { animation: bkTyping 1.2s ease infinite 0.4s; }

/* Violation counter */
.bk-violation-counter { display: flex; align-items: center; gap: 8px; padding: 8px 14px; background: #fef2f2; border: 1px solid #fca5a5; border-radius: 10px; font-size: 14px; font-weight: 600; color: #dc2626; opacity: 0; transition: all 0.4s; }
.bk-violation-counter.show { opacity: 1; }
.bk-violation-counter .count { background: #dc2626; color: #fff; padding: 2px 8px; border-radius: 100px; font-size: 12px; }

/* ═══ REMINDER DEMO ═══ */
.rm-demo { background:#fff; border-radius:18px; border:1px solid #e5e7eb; overflow:hidden; box-shadow:0 4px 24px rgba(0,0,0,0.04); }
.rm-demo-grid { display:grid; grid-template-columns:1fr 1fr; }
.rm-form { padding:24px; border-right:1px solid #e5e7eb; background:#f8f9fc; }
.rm-form-header { display:flex; align-items:center; gap:10px; margin-bottom:16px; }
.rm-emoji-pick { font-size:28px; cursor:pointer; padding:4px; border-radius:6px; transition:background 0.2s; }
.rm-emoji-pick:hover { background:rgba(99,102,241,0.08); }
.rm-form-title { font-size:18px; font-weight:700; color:#101828; }
.rm-form-subtitle { font-size:14px; color:#667085; }
.rm-emoji-grid { flex-wrap:wrap; gap:5px; padding:8px; background:#fff; border:1px solid #e5e7eb; border-radius:10px; margin-bottom:12px; }
.rm-emoji-item { font-size:20px; cursor:pointer; padding:5px; border-radius:5px; transition:background 0.15s; }
.rm-emoji-item:hover { background:rgba(99,102,241,0.1); }
.rm-input { width:100%; padding:10px 14px; border:1.5px solid #e5e7eb; border-radius:10px; font-size:15px; color:#101828; font-weight:600; font-family:inherit; outline:none; margin-bottom:14px; background:#fff; box-sizing:border-box; }
.rm-input:focus { border-color:#6366f1; }
.rm-quick-section,.rm-datetime-section { margin-bottom:14px; padding:12px; border:1px solid #e5e7eb; border-radius:10px; background:#fff; }
.rm-section-label { font-size:12px; font-weight:700; color:#667085; text-transform:uppercase; letter-spacing:0.5px; margin-bottom:10px; display:flex; align-items:center; gap:6px; }
.rm-section-label i { font-size:12px; }
.rm-quick-chips,.rm-repeat-chips { display:flex; gap:8px; flex-wrap:wrap; }
.rm-chip { padding:6px 14px; border-radius:100px; font-size:13px; font-weight:500; border:1.5px solid #e5e7eb; background:#fff; color:#667085; cursor:pointer; transition:all 0.2s; }
.rm-chip.small { padding:5px 12px; font-size:12px; }
.rm-chip:hover { border-color:#c7d2fe; color:#4f46e5; }
.rm-chip.active { background:rgba(99,102,241,0.08); border-color:rgba(99,102,241,0.3); color:#4f46e5; }
.rm-datetime-display { font-size:14px; font-weight:600; color:#101828; padding:8px 12px; background:rgba(99,102,241,0.04); border-radius:8px; border:1px solid rgba(99,102,241,0.15); }
.rm-selectors { display:flex; gap:14px; }
.rm-selector { flex:1; }
.rm-selector-label { font-size:12px; font-weight:600; color:#667085; margin-bottom:8px; }
.rm-color-dots { display:flex; gap:6px; }
.rm-dot { width:24px; height:24px; border-radius:50%; cursor:pointer; transition:all 0.2s; border:2px solid transparent; }
.rm-dot:hover { transform:scale(1.15); }
.rm-dot.active { border-color:#101828; transform:scale(1.15); box-shadow:0 0 0 2px #fff, 0 0 0 4px currentColor; }
.rm-priority-chips { display:flex; gap:6px; flex-wrap:wrap; }
.rm-pri-chip { display:flex; align-items:center; gap:5px; padding:4px 10px; border-radius:100px; font-size:12px; font-weight:500; border:1.5px solid #e5e7eb; background:#fff; color:#667085; cursor:pointer; transition:all 0.2s; }
.rm-pri-chip:hover { border-color:#c7d2fe; }
.rm-pri-chip.active { background:rgba(99,102,241,0.06); border-color:rgba(99,102,241,0.3); color:#4f46e5; }
.rm-pri-dot { width:8px; height:8px; border-radius:50%; flex-shrink:0; }

/* Actions area */
.rm-actions-area { padding:24px; display:flex; flex-direction:column; gap:14px; }
.rm-action-card { display:flex; align-items:center; gap:12px; padding:14px; border:1.5px solid #e5e7eb; border-radius:12px; background:#fff; transition:all 0.2s; }
.rm-action-card:hover { border-color:#c7d2fe; }
.rm-action-icon { width:40px; height:40px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:16px; flex-shrink:0; }
.rm-action-info { flex:1; }
.rm-action-name { font-size:15px; font-weight:700; color:#101828; }
.rm-action-desc { font-size:13px; color:#667085; }
.rm-action-toggle { position:relative; width:44px; height:24px; border-radius:100px; background:#e5e7eb; cursor:pointer; transition:background 0.3s; flex-shrink:0; }
.rm-action-toggle.on { background:#3B82F6; }
.rm-action-toggle-dot { position:absolute; top:3px; left:3px; width:18px; height:18px; border-radius:50%; background:#fff; transition:transform 0.3s cubic-bezier(0.34,1.56,0.64,1); box-shadow:0 1px 3px rgba(0,0,0,0.15); }
.rm-action-toggle.on .rm-action-toggle-dot { transform:translateX(20px); }
.rm-msg-preview { padding:12px; border:1.5px solid rgba(59,130,246,0.2); border-radius:10px; background:rgba(59,130,246,0.03); }
.rm-msg-label { font-size:13px; font-weight:700; color:#3B82F6; margin-bottom:6px; display:flex; align-items:center; gap:6px; }
.rm-msg-content { font-size:14px; color:#344054; line-height:1.5; padding:8px; background:#fff; border-radius:6px; border:1px solid #e5e7eb; }
.rm-todo-section { padding:12px; border:1px solid #e5e7eb; border-radius:10px; }
.rm-todo-list { display:flex; flex-direction:column; gap:6px; }
.rm-todo-item { display:flex; align-items:center; gap:8px; font-size:14px; color:#344054; cursor:pointer; padding:4px 0; transition:all 0.2s; }
.rm-todo-item.done { color:#98a2b3; text-decoration:line-through; }
.rm-todo-check { width:20px; height:20px; border-radius:4px; display:flex; align-items:center; justify-content:center; font-size:10px; flex-shrink:0; }
.rm-todo-check:not(.empty) { background:#22C55E; color:#fff; }
.rm-todo-check.empty { border:2px solid #d1d5db; background:#fff; }
.rm-todo-item.done .rm-todo-check.empty { background:#22C55E; color:#fff; border-color:#22C55E; }
.rm-todo-item.done .rm-todo-check.empty::after { content:'✓'; color:#fff; font-size:10px; }
.rm-result { display:flex; align-items:center; gap:10px; padding:12px; border-radius:10px; background:rgba(34,197,94,0.06); border:1px solid rgba(34,197,94,0.2); }
.rm-result-icon { color:#22c55e; font-size:20px; }
.rm-result-text { font-size:14px; font-weight:600; color:#16a34a; }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 1024px) {
    .scenario-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .scenario-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .sc-card { padding: 18px; min-height: 180px; }
    .sc-card:hover .sc-flow-preview { opacity: 0; }
    .bk-demo-top { grid-template-columns: 1fr; }
    .bk-chat-sim { border-right: none; border-bottom: 1px solid #e5e7eb; }
    .bk-how-it-works { grid-template-columns: 1fr; }
    .rm-demo-grid { grid-template-columns: 1fr; }
    .rm-form { border-right: none; border-bottom: 1px solid #e5e7eb; }
    .rm-selectors { flex-direction: column; gap: 10px; }
    .ft-section-header { flex-direction: column; gap: 14px; }
    .ft-section-header-left h3 { font-size: 22px; }
    .scenario-demo-header { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
    .scenario-grid { grid-template-columns: 1fr; }
}