.question-pill {
        display: inline-block;
        padding: 0.62rem 1rem;
        margin-right: 0.6rem;
        margin-top: 0.55rem;
        border-radius: 999px;
        border: 1px solid rgba(255, 255, 255, 0.28);
        color: #dcecff;
        background: rgba(255, 255, 255, 0.06);
        font-size: clamp(0.95rem, 1.6vw, 1.2rem);
      }

      .door-stage {
        display: grid;
        grid-template-columns: repeat(3, minmax(170px, 240px));
        justify-content: center;
        gap: clamp(18px, 2.4vw, 34px);
        margin-top: 1.2rem;
      }

      .door-card {
        padding: 0.75rem;
        border-radius: 24px;
        position: relative;
      }

      .door-card::after {
        content: "";
        position: absolute;
        inset: 8px;
        border-radius: 18px;
        pointer-events: none;
        opacity: 0;
      }

      .door-card.swap-a::after,
      .door-card.swap-b::after {
        animation: trailPulse 320ms ease-out;
      }

      .door-card.swap-a::after {
        background: radial-gradient(
          circle at 50% 50%,
          rgba(77, 228, 196, 0.32),
          transparent 70%
        );
        box-shadow: 0 0 18px rgba(77, 228, 196, 0.32);
      }

      .door-card.swap-b::after {
        background: radial-gradient(
          circle at 50% 50%,
          rgba(96, 165, 250, 0.34),
          transparent 72%
        );
        box-shadow: 0 0 18px rgba(96, 165, 250, 0.34);
      }

      @keyframes trailPulse {
        0% {
          opacity: 0;
          transform: scale(0.92);
        }
        35% {
          opacity: 0.95;
          transform: scale(1.02);
        }
        100% {
          opacity: 0;
          transform: scale(1.07);
        }
      }

      .door-card.active {
        box-shadow:
          0 0 0 2px rgba(77, 228, 196, 0.8),
          0 0 36px rgba(55, 215, 255, 0.36);
      }

      .door-hit {
        width: 100%;
        border: none;
        background: transparent;
        cursor: pointer;
        padding: 0;
      }

      .door-hit:disabled {
        cursor: default;
      }

      .door-svg {
        width: 100%;
        height: auto;
        overflow: visible;
        animation: bob 2.8s ease-in-out infinite;
      }

      .door-card:nth-child(2) .door-svg {
        animation-delay: 0.3s;
      }

      .door-card:nth-child(3) .door-svg {
        animation-delay: 0.6s;
      }

      @keyframes bob {
        0%,
        100% {
          transform: translateY(0px);
        }
        50% {
          transform: translateY(-8px);
        }
      }

      .door-panel {
        transform-origin: 20% 50%;
        transition: transform 900ms cubic-bezier(0.2, 0.85, 0.22, 1);
      }

      .open .door-panel {
        transform: perspective(600px) rotateY(-72deg);
      }

      .door-goat,
      .door-car {
        opacity: 0;
        transition: opacity 360ms ease;
      }

      .show-goat .door-goat,
      .show-car .door-car {
        opacity: 1;
      }

      .selection-note {
        margin-top: 0.85rem;
        min-height: 1.3em;
        font-size: 1.05rem;
        color: var(--muted);
      }

      .decision {
        text-align: center;
        margin-top: 1.3rem;
        font-family:
          "Avenir Next", "Segoe UI", "SF Pro Display", "Helvetica Neue", Arial,
          sans-serif;
        font-size: clamp(2rem, 7vw, 5rem);
        line-height: 1;
      }

      .split-poll {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1.2rem;
        margin-top: 1rem;
      }

      .poll-box {
        min-height: 48vh;
        display: grid;
        place-items: center;
        border-radius: 28px;
      }

      .poll-box h2 {
        font-size: clamp(2.4rem, 8vw, 7rem);
      }

      .stay-tint {
        background: linear-gradient(
          145deg,
          rgba(255, 122, 138, 0.23),
          rgba(160, 45, 64, 0.2)
        );
        border: 1px solid rgba(255, 122, 138, 0.45);
      }

      .switch-tint {
        background: linear-gradient(
          145deg,
          rgba(77, 228, 196, 0.2),
          rgba(29, 123, 181, 0.24)
        );
        border: 1px solid rgba(77, 228, 196, 0.45);
      }

      .trap {
        display: grid;
        place-items: center;
        min-height: 66vh;
      }

      .fifty {
        font-family:
          "Avenir Next", "Segoe UI", "SF Pro Display", "Helvetica Neue", Arial,
          sans-serif;
        font-weight: 700;
        font-size: clamp(4rem, 18vw, 12rem);
        position: relative;
        color: var(--fifty-color);
        display: inline-block;
      }

      .fifty.cracked::before,
      .fifty.cracked::after {
        content: "";
        position: absolute;
        width: 122%;
        left: -11%;
        height: 5px;
        top: 50%;
        border-radius: 999px;
        background: linear-gradient(
          90deg,
          transparent,
          rgba(255, 66, 66, 0.95),
          transparent
        );
        box-shadow: 0 0 18px rgba(255, 66, 66, 0.6);
        animation: crackStrike 320ms ease-out both;
      }

      .fifty.cracked::before {
        transform: rotate(-18deg);
      }

      .fifty.cracked::after {
        transform: rotate(18deg);
        animation-delay: 60ms;
      }

      .mirror-cracks {
        position: absolute;
        inset: 6% -6%;
        pointer-events: none;
        opacity: 0;
        transition: opacity 180ms ease;
      }

      .fifty.cracked .mirror-cracks {
        opacity: 1;
      }

      .mirror-cracks .crack {
        position: absolute;
        height: 2px;
        transform-origin: left center;
        background: linear-gradient(
          90deg,
          rgba(255, 210, 210, 0),
          rgba(255, 210, 210, 0.9),
          rgba(255, 210, 210, 0)
        );
        animation: crackGrow 260ms ease-out both;
      }

      .mirror-cracks .c1 {
        width: 46%;
        left: 8%;
        top: 26%;
        transform: rotate(11deg);
      }

      .mirror-cracks .c2 {
        width: 40%;
        right: 6%;
        top: 32%;
        transform: rotate(-17deg);
        animation-delay: 40ms;
      }

      .mirror-cracks .c3 {
        width: 56%;
        left: 18%;
        top: 50%;
        transform: rotate(-6deg);
        animation-delay: 70ms;
      }

      .mirror-cracks .c4 {
        width: 35%;
        left: 9%;
        bottom: 24%;
        transform: rotate(17deg);
        animation-delay: 90ms;
      }

      .mirror-cracks .c5 {
        width: 43%;
        right: 10%;
        bottom: 18%;
        transform: rotate(-12deg);
        animation-delay: 120ms;
      }

      .prob-arrows {
        display: flex;
        gap: 1.2rem;
        margin-top: 1rem;
        flex-wrap: wrap;
      }

      .arrow-pill {
        padding: 0.6rem 1rem;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.25);
        opacity: 1;
        transform: translateY(0);
      }

      .flow-wrap {
        margin-top: 0.8rem;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
      }

      .flow-col {
        padding: 1rem;
        border-radius: 20px;
        text-align: center;
      }

      .bucket {
        width: 72%;
        height: 220px;
        margin: 0.8rem auto 0;
        border-radius: 16px;
        border: 2px solid rgba(255, 255, 255, 0.25);
        position: relative;
        overflow: hidden;
      }

      .water {
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        height: 33%;
        background: linear-gradient(
          180deg,
          rgba(96, 165, 250, 0.85),
          rgba(55, 215, 255, 0.75)
        );
        transition: height 1000ms cubic-bezier(0.22, 1, 0.36, 1);
      }

      .water.goat {
        background: linear-gradient(
          180deg,
          rgba(255, 180, 84, 0.88),
          rgba(255, 122, 138, 0.78)
        );
      }

      .flow-label {
        color: var(--muted);
        margin-top: 0.8rem;
      }

      .flow-wrap.flowed [data-door="open"] .water {
        height: 0%;
      }

      .flow-wrap.flowed [data-door="remain"] .water {
        height: 67%;
      }

      .proof-grid {
        margin-top: 1rem;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
      }

      .proof-card {
        padding: 1.1rem;
      }

      .proof-title {
        color: var(--title-contrast);
        font-weight: 700;
        margin-bottom: 0.6rem;
      }

      .proof-line {
        color: var(--text);
        margin-top: 0.45rem;
        font-size: clamp(1rem, 1.7vw, 1.28rem);
      }

      .proof-note {
        margin-top: 0.8rem;
        color: var(--muted);
      }

      .proof-eqn {
        margin-top: 0.85rem;
        padding: 0.7rem 0.85rem;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.22);
        color: var(--title-contrast);
        font-weight: 700;
        font-size: clamp(1.1rem, 2vw, 1.55rem);
      }

      .proof-bottom {
        max-width: 46ch;
      }

      @keyframes crackStrike {
        0% {
          opacity: 0;
          transform: scaleX(0.2);
        }
        100% {
          opacity: 1;
        }
      }

      @keyframes crackGrow {
        0% {
          opacity: 0;
          transform: scaleX(0.15);
        }
        100% {
          opacity: 1;
        }
      }

      .rapid-box {
        margin-top: 1.2rem;
        padding: 1.1rem;
      }

      .rapid-feed {
        min-height: 5.2em;
        font-size: clamp(1.2rem, 2.8vw, 2rem);
        color: var(--rapid-feed-color);
      }

      .sim-panel {
        display: grid;
        grid-template-columns: 1.2fr 1fr;
        gap: 1rem;
        margin-top: 0.8rem;
      }

      .counter {
        font-size: clamp(1.4rem, 4.2vw, 3rem);
        color: var(--cyan);
      }

      .bars {
        margin-top: 0.8rem;
      }

      .bar-row {
        margin-top: 0.8rem;
      }

      .bar-track {
        width: 100%;
        height: 20px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.12);
        overflow: hidden;
      }

      .bar-fill {
        width: 0%;
        height: 100%;
        transition: width 280ms linear;
      }

      .stay-fill {
        background: linear-gradient(90deg, #ff7a8a, #d74660);
      }

      .switch-fill {
        background: linear-gradient(90deg, #4de4c4, #2e8ecc);
      }

      .grid-100 {
        margin-top: 1rem;
        display: grid;
        grid-template-columns: repeat(20, minmax(16px, 1fr));
        gap: 5px;
      }

      .mini-door {
        aspect-ratio: 0.7;
        border-radius: 4px;
        background: linear-gradient(160deg, #c3873a, #6d3313);
        border: 1px solid rgba(255, 220, 168, 0.55);
        transition:
          transform 200ms ease,
          opacity 350ms ease,
          background 350ms ease;
      }

      .mini-door.chosen {
        box-shadow:
          0 0 0 1px rgba(77, 228, 196, 0.95),
          0 0 10px rgba(77, 228, 196, 0.8);
      }

      .mini-door.opened {
        opacity: 0.2;
        transform: scale(0.85);
      }

      .mini-door.final {
        background: linear-gradient(160deg, #1f6b9a, #173f66);
        border-color: rgba(126, 196, 255, 0.8);
      }

      .paradox-grid {
        margin-top: 1.1rem;
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 0.8rem;
      }

      .paradox {
        text-align: center;
        padding: 0.8rem;
        min-height: 170px;
        opacity: 0;
        transform: translateY(14px);
      }

      .paradox.show {
        opacity: 1;
        transform: translateY(0);
        transition: all 500ms ease;
      }

      .paradox .icon {
        font-size: clamp(1.9rem, 4vw, 3rem);
      }

      .paradox .name {
        margin-top: 0.5rem;
        color: var(--muted);
        font-size: 0.95rem;
      }

      .quote {
        margin-top: 1.5rem;
        font-size: clamp(1.8rem, 4vw, 3.6rem);
        line-height: 1.15;
        max-width: 24ch;
      }

      .welcome {
        color: var(--cyan);
        font-size: clamp(1.1rem, 2.2vw, 1.7rem);
        margin-top: 1rem;
      }

      .revisit {
        margin-top: 1.4rem;
        color: var(--muted);
        font-size: 1.05rem;
      }

      .mini-btn {
        margin-top: 1rem;
        margin-right: 0.6rem;
        border: none;
        border-radius: 12px;
        padding: 0.55rem 0.9rem;
        font-weight: 700;
        background: linear-gradient(130deg, var(--cyan), var(--blue));
        color: #081727;
        cursor: pointer;
      }

      .mini-btn.alt {
        background: linear-gradient(130deg, var(--orange), #ff8f4f);
        color: #34210c;
      }

      .tiny {
        color: var(--muted);
        font-size: 0.95rem;
      }

      .fragment {
        opacity: 0;
        transform: translateY(8px);
        transition:
          opacity 320ms ease,
          transform 320ms ease;
      }

      .fragment.visible {
        opacity: 1;
        transform: translateY(0);
      }

      .deck-controls {
        position: fixed;
        right: 20px;
        bottom: 18px;
        display: flex;
        gap: 10px;
        z-index: 8;
      }

      .theme-panel {
        position: fixed;
        right: 20px;
        bottom: 70px;
        z-index: 9;
        padding: 0.55rem;
        border-radius: 16px;
        min-width: 170px;
        display: none;
        gap: 0.45rem;
      }

      .theme-panel.open {
        display: grid;
      }

      .doodle-panel {
        position: fixed;
        right: 20px;
        bottom: 70px;
        z-index: 9;
        padding: 0.65rem;
        border-radius: 16px;
        min-width: 210px;
        display: none;
        gap: 0.5rem;
      }

      .doodle-panel.open {
        display: grid;
      }

      .doodle-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.7rem;
        color: var(--text);
        font-size: 0.9rem;
      }

      .doodle-panel input[type="range"] {
        width: 100%;
        accent-color: var(--cyan);
      }

      .theme-option {
        border: 1px solid rgba(255, 255, 255, 0.32);
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.08);
        color: var(--text);
        font-weight: 700;
        text-align: left;
        padding: 0.45rem 0.65rem;
        cursor: pointer;
      }

      .theme-option.active {
        border-color: var(--cyan);
        box-shadow: 0 0 0 1px rgba(55, 215, 255, 0.45);
      }

      .deck-nav {
        width: 42px;
        height: 42px;
        border: 1px solid rgba(255, 255, 255, 0.34);
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.14);
        color: var(--nav-text);
        font-size: 1.1rem;
        cursor: pointer;
      }

      .deck-nav.wide {
        width: auto;
        min-width: 60px;
        padding: 0 10px;
        border-radius: 999px;
        font-size: 0.8rem;
        font-weight: 700;
      }

      .deck-nav.mode-toggle {
        min-width: 74px;
        letter-spacing: 0.03em;
      }

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

      .deck-progress {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        height: 4px;
        background: rgba(255, 255, 255, 0.14);
        z-index: 8;
      }

      .deck-progress > div {
        width: 0;
        height: 100%;
        background: linear-gradient(90deg, var(--cyan), var(--mint));
        transition: width 320ms ease;
      }

      .story-lede {
        margin-top: 1rem;
        color: var(--muted);
        font-size: clamp(1.05rem, 2vw, 1.35rem);
        max-width: 62ch;
      }

      .story-stage {
        margin-top: 1.5rem;
        display: grid;
        gap: 0.85rem;
      }

      .story-beat {
        display: flex;
        align-items: center;
        gap: 1rem;
        padding: 0.85rem 1.1rem;
        border-radius: 18px;
      }

      .story-portrait {
        width: 64px;
        height: 64px;
        border-radius: 50%;
        overflow: hidden;
        flex: none;
        border: 2px solid rgba(255, 255, 255, 0.35);
      }

      .story-portrait img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
      }

      .story-portrait img.face-top {
        object-position: 50% 0%;
      }

      .story-dual {
        display: flex;
        flex: none;
        gap: 0.4rem;
      }

      .story-name {
        color: var(--title-contrast);
        font-weight: 700;
        font-size: 0.8rem;
        letter-spacing: 0.03em;
        text-transform: uppercase;
      }

      .story-line {
        margin-top: 0.2rem;
        color: var(--text);
        font-size: clamp(1.05rem, 2vw, 1.4rem);
        line-height: 1.32;
      }

      .story-beat.reveal-beat {
        border: 1px solid rgba(77, 228, 196, 0.4);
      }

      @media (max-width: 980px) {
        .examples-grid {
          grid-template-columns: 1fr;
        }

        .door-stage {
          grid-template-columns: repeat(3, minmax(96px, 1fr));
        }

        .split-poll,
        .sim-panel {
          grid-template-columns: 1fr;
        }

        .flow-wrap {
          grid-template-columns: 1fr;
        }

        .proof-grid {
          grid-template-columns: 1fr;
        }

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

      /* Harari deck additions */

      .icon-avatar {
        width: 84px;
        height: 84px;
        border-radius: 50%;
        display: grid;
        place-items: center;
        font-size: 2.3rem;
        flex: none;
        border: 2px solid rgba(255, 255, 255, 0.28);
        box-shadow: 0 10px 26px rgba(0, 0, 0, 0.2);
      }

      .icon-avatar.md {
        width: 60px;
        height: 60px;
        font-size: 1.55rem;
      }

      .icon-avatar.sm {
        width: 46px;
        height: 46px;
        font-size: 1.2rem;
        border-width: 1.5px;
      }

      .icon-avatar.snap-health {
        background: linear-gradient(
          150deg,
          rgba(77, 228, 196, 0.92),
          rgba(21, 110, 92, 0.85)
        );
      }

      .icon-avatar.snap-machine {
        background: linear-gradient(
          150deg,
          rgba(96, 165, 250, 0.92),
          rgba(29, 78, 161, 0.85)
        );
      }

      .icon-avatar.snap-jobs {
        background: linear-gradient(
          150deg,
          rgba(255, 180, 84, 0.95),
          rgba(173, 97, 27, 0.85)
        );
      }

      .icon-avatar.snap-data {
        background: linear-gradient(
          150deg,
          rgba(255, 122, 138, 0.95),
          rgba(173, 43, 61, 0.85)
        );
      }

      .icon-avatar.neutral {
        background: linear-gradient(
          150deg,
          rgba(255, 255, 255, 0.24),
          rgba(255, 255, 255, 0.06)
        );
      }

      .snapshot-head {
        display: flex;
        align-items: center;
        gap: 1.1rem;
        margin-top: 0.5rem;
      }

      .snapshot-head h2 {
        margin: 0;
      }

      .option-grid {
        margin-top: 1.1rem;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 0.9rem;
      }

      .option-card {
        padding: 1rem 0.8rem;
        border-radius: 16px;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.55rem;
      }

      .option-label {
        color: var(--text);
        font-weight: 600;
        font-size: 0.95rem;
      }

      .chain-row {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 0.5rem 0.35rem;
        margin-top: 1.2rem;
      }

      .chain-node {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.4rem;
        width: 96px;
        text-align: center;
      }

      .chain-node-label {
        font-size: 0.75rem;
        color: var(--muted);
        line-height: 1.25;
      }

      .chain-arrow {
        font-size: 1.3rem;
        color: var(--muted);
        flex: none;
      }

      .app-badge-row {
        display: flex;
        flex-wrap: wrap;
        gap: 1.1rem;
        margin-top: 1.1rem;
      }

      .app-badge {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.4rem;
        width: 76px;
        text-align: center;
      }

      .app-badge span {
        font-size: 0.75rem;
        color: var(--muted);
      }

      .reveal-pill {
        display: inline-block;
        margin: 0.5rem 0.5rem 0 0;
        padding: 0.45rem 0.85rem;
        border-radius: 999px;
        font-weight: 600;
        font-size: 0.88rem;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.26);
        color: var(--title-contrast);
      }

      /* Evolving-human motif (recurring figure) */

      .motif-slide {
        display: flex;
        gap: 2rem;
        align-items: center;
        margin-top: 1rem;
      }

      .motif-content {
        flex: 1;
        min-width: 0;
      }

      .motif-side {
        flex: none;
      }

      .evo-wrap {
        position: relative;
        width: 240px;
        height: 300px;
      }

      .evo-wrap.scale-featured {
        transform: scale(1.15);
        transform-origin: center center;
      }

      .evo-head {
        position: absolute;
        top: 20px;
        left: 50%;
        transform: translateX(-50%);
        width: 64px;
        height: 64px;
        border-radius: 50%;
        background: linear-gradient(
          150deg,
          rgba(96, 165, 250, 0.92),
          rgba(29, 78, 161, 0.85)
        );
        border: 2px solid rgba(255, 255, 255, 0.3);
        box-shadow: 0 10px 22px rgba(0, 0, 0, 0.22);
      }

      .evo-body {
        position: absolute;
        top: 78px;
        left: 50%;
        transform: translateX(-50%);
        width: 140px;
        height: 170px;
        border-radius: 70px 70px 20px 20px / 90px 90px 20px 20px;
        background: linear-gradient(
          160deg,
          rgba(96, 165, 250, 0.55),
          rgba(29, 78, 161, 0.55)
        );
        border: 2px solid rgba(255, 255, 255, 0.22);
        box-shadow: 0 12px 26px rgba(0, 0, 0, 0.2);
      }

      .evo-badge {
        position: absolute;
      }

      .evo-line {
        position: absolute;
        height: 2px;
        background: rgba(126, 196, 255, 0.65);
        transform-origin: 0 0;
      }

      .evo-choice-pill {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
      }

      .big-question {
        margin-top: 1.3rem;
        font-family:
          "Avenir Next", "Segoe UI", "SF Pro Display", "Helvetica Neue", Arial,
          sans-serif;
        font-weight: 700;
        font-size: clamp(2.6rem, 8vw, 5.2rem);
        color: var(--title-contrast);
      }

      /* Reference photography */

      .photo-frame {
        border-radius: 18px;
        overflow: hidden;
        border: 1px solid var(--glass-stroke);
        box-shadow: 0 14px 30px rgba(0, 0, 0, 0.28);
        background: rgba(255, 255, 255, 0.04);
      }

      .photo-frame img {
        display: block;
        width: 100%;
        height: 100%;
        object-fit: cover;
      }

      .photo-frame.side {
        width: 220px;
        height: 220px;
        flex: none;
      }

      .photo-frame.banner {
        width: 100%;
        height: 200px;
        margin-top: 0.9rem;
      }

      .photo-frame.thumb {
        width: 128px;
        height: 128px;
      }

      .photo-caption {
        margin-top: 0.5rem;
        font-size: 0.72rem;
        color: var(--muted);
        text-align: center;
      }

      .photo-side {
        display: flex;
        flex-direction: column;
        align-items: center;
      }

      .photo-side .photo-caption {
        max-width: 220px;
      }

      .photo-row {
        display: flex;
        gap: 0.9rem;
        flex-wrap: wrap;
        margin-top: 1rem;
      }

      .photo-col {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.4rem;
      }

      .photo-col .photo-caption {
        max-width: 128px;
      }

      /* CRISPR deck additions */

      .icon-avatar.opt-red {
        background: linear-gradient(
          150deg,
          rgba(255, 99, 99, 0.95),
          rgba(153, 27, 27, 0.85)
        );
      }

      .icon-avatar.opt-yellow {
        background: linear-gradient(
          150deg,
          rgba(255, 216, 84, 0.95),
          rgba(161, 118, 16, 0.85)
        );
      }

      .icon-avatar.opt-green {
        background: linear-gradient(
          150deg,
          rgba(94, 224, 138, 0.95),
          rgba(21, 128, 61, 0.85)
        );
      }

      .code-strip {
        display: flex;
        align-items: center;
        gap: 0.35rem;
        margin-top: 1.1rem;
        flex-wrap: wrap;
      }

      .code-letter {
        width: 2.3rem;
        height: 2.3rem;
        display: grid;
        place-items: center;
        border-radius: 8px;
        font-family: "SF Mono", "Fira Code", Menlo, monospace;
        font-size: 1.3rem;
        font-weight: 700;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.22);
        color: var(--text);
      }

      .code-letter.mistake {
        background: rgba(255, 122, 138, 0.22);
        border-color: var(--rose);
        color: var(--rose);
      }

      .code-caret {
        display: inline-block;
        width: 2px;
        height: 1.7rem;
        background: var(--cyan);
        animation: caretBlink 1s steps(2) infinite;
      }

      @keyframes caretBlink {
        50% {
          opacity: 0;
        }
      }

      .chain-row.vertical {
        flex-direction: column;
      }

      .icon-list {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
        margin-top: 0.9rem;
      }

      .icon-list-item {
        display: flex;
        align-items: center;
        gap: 0.7rem;
      }

      .icon-list-item span {
        color: var(--text);
        font-size: clamp(0.95rem, 1.6vw, 1.15rem);
      }

      .split-panels {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1.2rem;
        margin-top: 1rem;
      }

      .split-panel {
        padding: 1.1rem;
        border-radius: 18px;
      }

      .split-panel.good {
        border-left: 4px solid var(--mint);
      }

      .split-panel.risk {
        border-left: 4px solid var(--rose);
      }

      .split-panel-title {
        color: var(--title-contrast);
        font-weight: 700;
        margin-bottom: 0.5rem;
      }

      .headline-line {
        margin-top: 0.55rem;
        color: var(--text);
        font-weight: 700;
        font-size: clamp(0.92rem, 1.5vw, 1.05rem);
        line-height: 1.35;
      }

      @media (max-width: 980px) {
        .snapshot-head {
          gap: 0.8rem;
        }

        .icon-avatar {
          width: 60px;
          height: 60px;
          font-size: 1.6rem;
        }

        .motif-slide {
          flex-direction: column;
        }

        .evo-wrap,
        .evo-wrap.scale-featured {
          transform: scale(0.78);
          transform-origin: top center;
        }

        .photo-frame.side {
          width: 100%;
          height: 160px;
        }

        .photo-frame.banner {
          height: 140px;
        }

        .split-panels {
          grid-template-columns: 1fr;
        }
      }