.ai-page {
    --ai-ink: #111a18;
    --ai-lime: #c8ff68;
    --ai-cyan: #7ce7ed;
    --ai-violet: #bdb0ff;
    --ai-orange: #ffbd75;
    background: #f3f1e9;
}

.ai-header {
    background: rgba(17, 26, 24, .93);
    color: #fff;
}

.ai-header .brand,
.ai-header .desktop-nav a {
    color: #fff;
}

.ai-header .brand small {
    color: #96a29e;
}

.ai-header .nav-cta {
    background: var(--ai-lime);
    color: var(--ai-ink);
}

.ai-header .menu-button {
    border-color: rgba(255, 255, 255, .18);
    background: rgba(255, 255, 255, .08);
}

.ai-header .menu-button span {
    background: #fff;
}

.ai-hero {
    overflow: hidden;
    padding: 6.5rem 0 6rem;
    background:
        radial-gradient(circle at 8% 25%, rgba(124, 231, 237, .11), transparent 24%),
        radial-gradient(circle at 90% 14%, rgba(200, 255, 104, .12), transparent 23%),
        linear-gradient(rgba(255, 255, 255, .027) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .027) 1px, transparent 1px),
        var(--ai-ink);
    background-size: auto, auto, 42px 42px, 42px 42px, auto;
    color: #fff;
}

.ai-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, .96fr) minmax(470px, 1.04fr);
    gap: clamp(4rem, 8vw, 8rem);
    align-items: center;
}

.ai-hero .back-link {
    display: inline-flex;
    margin-bottom: 2.8rem;
    color: #93a09b;
    font-size: .74rem;
    font-weight: 750;
    text-decoration: none;
}

.ai-hero h1 {
    max-width: 760px;
    margin: 0;
    font-size: clamp(3.8rem, 6.3vw, 6.7rem);
    font-weight: 820;
    letter-spacing: -.078em;
    line-height: .91;
}

.ai-hero h1 em {
    color: var(--ai-lime);
    font-family: Georgia, serif;
    font-weight: 500;
}

.ai-lede {
    max-width: 660px;
    margin: 1.8rem 0 0;
    color: #b2bdb9;
    font-size: 1.08rem;
    line-height: 1.7;
}

.button-mint {
    background: var(--ai-lime);
    color: var(--ai-ink);
}

.ai-secondary {
    border-color: rgba(255, 255, 255, .2);
    color: #fff;
}

.ai-secondary:hover {
    background: rgba(255, 255, 255, .08);
}

.ai-trust {
    display: flex;
    flex-wrap: wrap;
    gap: .7rem 1.4rem;
    margin: 1.5rem 0 0;
    padding: 0;
    color: #8f9d98;
    font-size: .72rem;
    list-style: none;
}

.ai-trust li::before {
    margin-right: .45rem;
    color: var(--ai-lime);
    content: "✓";
}

.capability-map {
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .13);
    border-radius: 24px;
    background: rgba(255, 255, 255, .055);
    box-shadow: 0 35px 90px rgba(0, 0, 0, .25);
    backdrop-filter: blur(16px);
    transform: rotate(1deg);
}

.capability-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.2rem;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.capability-head span {
    color: var(--ai-lime);
    font-size: .65rem;
    font-weight: 850;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.capability-head strong {
    color: #a8b4af;
    font-size: .67rem;
    font-weight: 650;
}

.capability-map ol {
    margin: 0;
    padding: 1rem;
    list-style: none;
}

.capability-map li {
    display: grid;
    grid-template-columns: 38px 1fr auto;
    gap: .8rem;
    align-items: center;
    margin-bottom: .5rem;
    padding: .75rem .8rem;
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 12px;
    background: rgba(255, 255, 255, .04);
}

.capability-map li:nth-child(1) { border-color: rgba(200, 255, 104, .25); background: rgba(200, 255, 104, .08); }
.capability-map li:nth-child(2) { transform: translateX(5px); }
.capability-map li:nth-child(3) { transform: translateX(10px); }
.capability-map li:nth-child(4) { transform: translateX(15px); }
.capability-map li:nth-child(5) { transform: translateX(20px); }
.capability-map li:nth-child(6) { transform: translateX(25px); }

.capability-map li > span {
    color: var(--ai-lime);
    font-family: Georgia, serif;
    font-size: 1.05rem;
    font-style: italic;
}

.capability-map li div {
    display: flex;
    flex-direction: column;
}

.capability-map li strong {
    font-size: .83rem;
}

.capability-map li small {
    color: #899792;
    font-size: .63rem;
}

.capability-map li i {
    padding: .22rem .45rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, .08);
    color: #9caaa5;
    font-size: .54rem;
    font-style: normal;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.capability-rule {
    padding: 1rem 1.2rem 1.2rem;
    border-top: 1px solid rgba(255, 255, 255, .1);
    background: rgba(0, 0, 0, .15);
}

.capability-rule span {
    display: block;
    color: #899792;
    font-size: .56rem;
    font-weight: 850;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.capability-rule strong {
    color: var(--ai-lime);
    font-family: Georgia, serif;
    font-size: .95rem;
    font-weight: 500;
}

.ai-principle {
    border-bottom: 1px solid #d7d4ca;
    background: var(--ai-lime);
    color: var(--ai-ink);
}

.ai-principle .shell {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 2rem;
    align-items: center;
    min-height: 82px;
}

.ai-principle span {
    font-size: .62rem;
    font-weight: 900;
    letter-spacing: .11em;
    text-transform: uppercase;
}

.ai-principle strong {
    font-size: clamp(1rem, 2vw, 1.35rem);
    letter-spacing: -.03em;
    text-align: center;
}

.ai-principle p {
    margin: 0;
    font-size: .7rem;
    font-weight: 650;
}

.track-section {
    background: #fff;
}

.track-picker {
    display: grid;
    grid-template-columns: minmax(0, .92fr) minmax(420px, 1.08fr);
    gap: 1rem;
    align-items: stretch;
}

.track-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .65rem;
}

.track-options button {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr);
    gap: .2rem .7rem;
    padding: .9rem;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: #f6f5ef;
    color: var(--ai-ink);
    cursor: pointer;
    font: inherit;
    text-align: left;
    transition: border-color .18s ease, background .18s ease, transform .18s ease;
}

.track-options button:hover {
    border-color: #9fb583;
    transform: translateY(-1px);
}

.track-options button[aria-pressed="true"] {
    border-color: #476d45;
    background: #eaf5d8;
    box-shadow: inset 0 0 0 1px #476d45;
}

.track-options button > span {
    grid-row: 1 / 3;
    color: #608049;
    font-family: Georgia, serif;
    font-size: 1rem;
    font-style: italic;
}

.track-options strong {
    font-size: .76rem;
    letter-spacing: -.01em;
}

.track-options small {
    color: #718078;
    font-size: .59rem;
    line-height: 1.35;
}

.track-plan {
    display: flex;
    min-height: 100%;
    flex-direction: column;
    padding: clamp(1.4rem, 3vw, 2.2rem);
    border-radius: 18px;
    background:
        radial-gradient(circle at 92% 8%, rgba(200, 255, 104, .12), transparent 28%),
        var(--ai-ink);
    color: #fff;
}

.track-plan-head > span {
    color: var(--ai-lime);
    font-size: .57rem;
    font-weight: 850;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.track-plan h3 {
    margin: .45rem 0 .5rem;
    font-size: clamp(1.7rem, 3vw, 2.65rem);
    letter-spacing: -.055em;
}

.track-plan-head > p {
    max-width: 650px;
    margin: 0;
    color: #a7b3ae;
    font-size: .77rem;
    line-height: 1.6;
}

.track-plan ol {
    margin: 1.3rem 0;
    padding: 0;
    border-top: 1px solid rgba(255, 255, 255, .12);
    list-style: none;
}

.track-plan li {
    display: grid;
    grid-template-columns: 34px 1fr;
    gap: .8rem;
    padding: .8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.track-plan li > span {
    color: var(--ai-lime);
    font-family: Georgia, serif;
    font-size: .8rem;
    font-style: italic;
}

.track-plan li strong {
    display: block;
    font-size: .72rem;
}

.track-plan li p {
    margin: .15rem 0 0;
    color: #93a19b;
    font-size: .62rem;
    line-height: 1.5;
}

.track-plan > a {
    align-self: flex-start;
    margin-top: auto;
    color: var(--ai-lime);
    font-size: .66rem;
    font-weight: 800;
    text-decoration: none;
}

.coverage-note {
    margin: 1rem 0 0;
    padding: .8rem 1rem;
    border-left: 3px solid #78a54e;
    background: #f0f5e8;
    color: #627068;
    font-size: .68rem;
}

.coverage-note strong {
    color: #304239;
}

.roadmap-section {
    background: #f3f1e9;
}

.roadmap-list {
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--line);
    list-style: none;
}

.roadmap-level {
    display: grid;
    grid-template-columns: 100px minmax(0, 1fr) 140px;
    gap: 2rem;
    align-items: start;
    padding: 2.2rem 0;
    border-bottom: 1px solid var(--line);
    transition: opacity .2s ease, background .2s ease;
}

.roadmap-level.is-complete {
    opacity: .68;
}

.roadmap-level.is-complete h3::after {
    margin-left: .65rem;
    color: #287a4a;
    content: "✓";
    font-size: .8em;
}

.level-number {
    display: flex;
    flex-direction: column;
}

.level-number span,
.level-kicker {
    color: #7a8580;
    font-size: .58rem;
    font-weight: 850;
    letter-spacing: .11em;
    text-transform: uppercase;
}

.level-number strong {
    color: #2f6e4a;
    font-family: Georgia, serif;
    font-size: 2.2rem;
    font-style: italic;
    font-weight: 500;
    line-height: 1;
}

.level-kicker {
    margin: 0 0 .35rem;
}

.level-copy h3 {
    margin: 0;
    font-size: clamp(1.5rem, 2.2vw, 2.25rem);
    letter-spacing: -.045em;
    line-height: 1.1;
}

.level-copy > p:not(.level-kicker) {
    max-width: 760px;
    margin: .75rem 0 0;
    color: #5e6a65;
    font-size: .9rem;
}

.level-copy ul {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
    margin: 1rem 0;
    padding: 0;
    list-style: none;
}

.level-copy li {
    padding: .32rem .52rem;
    border-radius: 7px;
    background: #e5e4dc;
    color: #65706b;
    font-size: .62rem;
    font-weight: 750;
}

.level-copy details {
    max-width: 780px;
    border-left: 2px solid #9ccd6b;
    padding-left: .85rem;
}

.level-copy summary {
    color: #3e4a45;
    cursor: pointer;
    font-size: .7rem;
    font-weight: 850;
    list-style: none;
    text-transform: uppercase;
}

.level-copy summary::-webkit-details-marker {
    display: none;
}

.level-copy summary span {
    margin-left: .35rem;
    color: #638043;
}

.level-copy details p {
    margin: .5rem 0 0;
    color: #64706a;
    font-size: .78rem;
}

.level-status,
.level-jump {
    align-self: center;
    padding: .68rem .8rem;
    border: 1px solid #ccd1cc;
    border-radius: 9px;
    background: rgba(255, 255, 255, .5);
    color: #52605a;
    cursor: pointer;
    font-size: .66rem;
    font-weight: 800;
    text-align: center;
    text-decoration: none;
}

.level-actions {
    display: grid;
    gap: .55rem;
    align-self: center;
}

.level-actions .level-status,
.level-actions .level-jump {
    width: 100%;
}

.level-status[aria-pressed="true"] {
    border-color: #91c5a1;
    background: #e8f8ed;
    color: #286b43;
}

.level-status span {
    margin-right: .25rem;
}

.roadmap-skill {
    margin-inline: -1rem;
    padding-inline: 1rem;
    border-radius: 16px;
    background: #e9f5d4;
}

.level-jump {
    border-color: var(--ai-ink);
    background: var(--ai-ink);
    color: #fff;
}

.roadmap-progress {
    position: sticky;
    bottom: 18px;
    z-index: 10;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1.2rem;
    align-items: center;
    margin-top: 2rem;
    padding: .85rem 1rem;
    border: 1px solid rgba(17, 26, 24, .2);
    border-radius: 14px;
    background: rgba(17, 26, 24, .94);
    box-shadow: 0 15px 45px rgba(17, 26, 24, .2);
    color: #fff;
    backdrop-filter: blur(14px);
}

.roadmap-progress > div:first-child {
    display: flex;
    min-width: 180px;
    flex-direction: column;
}

.roadmap-progress span {
    color: #91a09a;
    font-size: .55rem;
    font-weight: 850;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.roadmap-progress strong {
    font-size: .74rem;
}

.roadmap-meter {
    overflow: hidden;
    height: 6px;
    border-radius: 99px;
    background: rgba(255, 255, 255, .13);
}

.roadmap-meter span {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: var(--ai-lime);
    transition: width .25s ease;
}

.roadmap-progress button {
    border: 0;
    background: transparent;
    color: #9ba7a2;
    cursor: pointer;
    font-size: .64rem;
    font-weight: 750;
}

.skill-section {
    background:
        radial-gradient(circle at 85% 15%, rgba(200, 255, 104, .12), transparent 20%),
        var(--ai-ink);
    color: #fff;
}

.skill-section .section-heading > p {
    color: #a7b2ae;
}

.skill-studio {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .13);
    border-radius: 22px;
    background: rgba(255, 255, 255, .04);
}

.skill-form {
    display: grid;
    gap: 1rem;
    padding: 1.5rem;
    border-right: 1px solid rgba(255, 255, 255, .12);
}

.preset-row {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
    align-items: center;
    margin-bottom: .25rem;
}

.preset-row > span {
    margin-right: .25rem;
    color: #86948e;
    font-size: .62rem;
    font-weight: 800;
    text-transform: uppercase;
}

.preset-row button,
.preview-head button {
    padding: .38rem .58rem;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 8px;
    background: rgba(255, 255, 255, .07);
    color: #d4ddd9;
    cursor: pointer;
    font-size: .62rem;
    font-weight: 750;
}

.skill-form label {
    display: grid;
    gap: .42rem;
}

.skill-form label > span {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    font-size: .72rem;
    font-weight: 800;
}

.skill-form label small {
    color: #7f8d87;
    font-size: .58rem;
    font-weight: 600;
}

.skill-form input,
.skill-form textarea {
    width: 100%;
    padding: .74rem .8rem;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 9px;
    outline: none;
    background: rgba(255, 255, 255, .06);
    color: #fff;
    font: inherit;
    font-size: .75rem;
    line-height: 1.5;
    resize: vertical;
}

.skill-form input::placeholder,
.skill-form textarea::placeholder {
    color: #6f7c77;
}

.skill-form input:focus,
.skill-form textarea:focus {
    border-color: var(--ai-lime);
    box-shadow: 0 0 0 3px rgba(200, 255, 104, .1);
}

.skill-preview {
    min-width: 0;
    padding: 1.5rem;
    background: #0b110f;
}

.preview-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.preview-head span {
    color: var(--ai-lime);
    font-size: .56rem;
    font-weight: 850;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.preview-head h3 {
    margin: .2rem 0 0;
    font-size: 1.2rem;
}

.preview-head button {
    border-color: rgba(200, 255, 104, .32);
    color: var(--ai-lime);
}

.skill-preview pre {
    overflow: auto;
    min-height: 560px;
    max-height: 720px;
    margin: 0;
    padding: 1.1rem;
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 12px;
    background: #101815;
    white-space: pre-wrap;
}

.skill-preview code {
    color: #c7d2cd;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: .7rem;
    line-height: 1.65;
}

.skill-quality {
    display: grid;
    grid-template-columns: auto 110px 1fr;
    gap: .8rem;
    align-items: center;
    margin-top: 1rem;
}

.skill-quality > span {
    color: #88958f;
    font-size: .58rem;
    font-weight: 800;
    text-transform: uppercase;
}

.quality-dots {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 4px;
}

.quality-dots i {
    height: 5px;
    border-radius: 9px;
    background: #26322e;
}

.skill-quality[data-score="1"] .quality-dots i:nth-child(-n + 1),
.skill-quality[data-score="2"] .quality-dots i:nth-child(-n + 2),
.skill-quality[data-score="3"] .quality-dots i:nth-child(-n + 3),
.skill-quality[data-score="4"] .quality-dots i:nth-child(-n + 4),
.skill-quality[data-score="5"] .quality-dots i:nth-child(-n + 5) {
    background: var(--ai-lime);
}

.skill-quality strong {
    color: #aab6b1;
    font-size: .62rem;
    text-align: right;
}

.copy-status {
    min-height: 1.2rem;
    margin: .6rem 0 0;
    color: var(--ai-lime);
    font-size: .65rem;
    text-align: right;
}

.verification-section {
    background: #fff;
}

.verification-grid {
    display: grid;
    grid-template-columns: .72fr 1.28fr;
    gap: clamp(3rem, 8vw, 8rem);
    align-items: start;
}

.verification-grid h2 {
    margin: 0;
    font-size: clamp(2.5rem, 4.3vw, 4.5rem);
    letter-spacing: -.065em;
    line-height: .98;
}

.verification-grid > div:first-child > p:not(.eyebrow) {
    color: #65716b;
}

.verification-card {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 20px;
}

.verification-card > label {
    display: grid;
    grid-template-columns: 24px 1fr;
    gap: .9rem;
    padding: 1.1rem 1.2rem;
    border-bottom: 1px solid var(--line);
    cursor: pointer;
}

.verification-card > label:hover {
    background: #f6f8f1;
}

.verification-card input {
    width: 19px;
    height: 19px;
    margin-top: .1rem;
    accent-color: #438b59;
}

.verification-card label span {
    display: flex;
    flex-direction: column;
}

.verification-card label strong {
    font-size: .83rem;
}

.verification-card label small {
    margin-top: .2rem;
    color: #718079;
    font-size: .68rem;
}

.verification-result {
    padding: 1.25rem;
    background: #fff0ed;
}

.verification-result.is-ready {
    background: #eaf8dd;
}

.verification-result span {
    color: #7a5a55;
    font-size: .58rem;
    font-weight: 850;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.verification-result strong {
    display: block;
    margin-top: .15rem;
    font-size: 1rem;
}

.verification-result p {
    margin: .25rem 0 0;
    color: #6a716d;
    font-size: .72rem;
}

.research-section {
    background: #e9f0df;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .75rem;
}

.research-grid article {
    display: flex;
    min-height: 260px;
    flex-direction: column;
    padding: 1.25rem;
    border: 1px solid rgba(62, 86, 64, .18);
    border-radius: 16px;
    background: rgba(255, 255, 255, .66);
}

.research-grid span {
    color: #54813f;
    font-size: .56rem;
    font-weight: 850;
    letter-spacing: .11em;
    text-transform: uppercase;
}

.research-grid h3 {
    margin: 1rem 0 .45rem;
    font-size: 1.15rem;
    letter-spacing: -.035em;
}

.research-grid p {
    margin: 0 0 1.2rem;
    color: #607067;
    font-size: .7rem;
    line-height: 1.6;
}

.research-grid a {
    margin-top: auto;
    padding-top: .7rem;
    border-top: 1px solid rgba(62, 86, 64, .16);
    color: #315b32;
    font-size: .62rem;
    font-weight: 800;
    text-decoration: none;
}

.research-rule {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.2rem;
    align-items: center;
    margin-top: 1rem;
    padding: 1rem 1.2rem;
    border-radius: 13px;
    background: var(--ai-ink);
    color: #fff;
}

.research-rule strong {
    color: var(--ai-lime);
    font-size: .64rem;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.research-rule p {
    margin: 0;
    color: #a8b4af;
    font-size: .68rem;
    line-height: 1.55;
}

.failure-section {
    background: #fff;
}

.failure-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--line);
}

.failure-grid article {
    min-height: 180px;
    padding: 1.1rem;
    background: #fff;
}

.failure-grid span {
    color: #8a6252;
    font-size: .54rem;
    font-weight: 850;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.failure-grid h3 {
    margin: 1.1rem 0 .45rem;
    font-size: .95rem;
    letter-spacing: -.025em;
}

.failure-grid p {
    margin: 0;
    color: #6c7772;
    font-size: .66rem;
    line-height: 1.55;
}

.model-section {
    background: #efede4;
}

.model-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.model-grid article {
    display: flex;
    min-height: 400px;
    flex-direction: column;
    padding: 1.6rem;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, .68);
}

.model-mark {
    display: grid;
    width: 44px;
    height: 44px;
    margin-bottom: 2.8rem;
    place-items: center;
    border-radius: 12px;
    color: #121916;
    font-size: .85rem;
    font-weight: 900;
}

.model-openai { background: var(--ai-lime); }
.model-anthropic { background: var(--ai-orange); }
.model-xai { background: var(--ai-violet); }
.model-google { background: var(--ai-cyan); }

.model-label {
    margin: 0 0 .45rem;
    color: #6e7873;
    font-size: .6rem;
    font-weight: 850;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.model-grid h3 {
    margin: 0;
    font-size: 1.5rem;
    letter-spacing: -.04em;
}

.model-grid h3 + p {
    color: #627069;
    font-size: .8rem;
}

.model-grid ul {
    margin: .7rem 0 1.2rem;
    padding-left: 1rem;
    color: #59655f;
    font-size: .72rem;
}

.model-grid a {
    display: flex;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
    font-size: .7rem;
    font-weight: 850;
    text-decoration: none;
}

.interview-bridge {
    background: var(--ai-ink);
    color: #fff;
}

.interview-bridge-card {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 3rem 6rem;
    align-items: start;
}

.interview-bridge h2 {
    margin: 0;
    font-size: clamp(2.6rem, 4.5vw, 4.7rem);
    letter-spacing: -.065em;
    line-height: .98;
}

.interview-bridge p {
    color: #a6b2ad;
}

.interview-bridge ol {
    margin: 0;
    padding: 0;
    border-top: 1px solid rgba(255, 255, 255, .13);
    list-style: none;
}

.interview-bridge li {
    display: grid;
    grid-template-columns: 46px 1fr;
    gap: .8rem;
    padding: 1.15rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, .13);
}

.interview-bridge li > span {
    color: var(--ai-lime);
    font-family: Georgia, serif;
    font-style: italic;
}

.interview-bridge li strong {
    font-size: .86rem;
}

.interview-bridge li p {
    margin: .2rem 0 0;
    font-size: .68rem;
}

.interview-bridge .button {
    grid-column: 2;
    justify-self: start;
}

.source-section {
    background: #fff;
}

.source-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--line);
}

.source-grid a {
    display: flex;
    min-height: 190px;
    flex-direction: column;
    padding: 1.25rem;
    background: #fff;
    text-decoration: none;
    transition: background .2s ease;
}

.source-grid a:hover {
    background: #f3f8e9;
}

.source-grid span {
    color: #5e7e43;
    font-size: .57rem;
    font-weight: 850;
    letter-spacing: .11em;
    text-transform: uppercase;
}

.source-grid strong {
    margin-top: auto;
    font-size: 1rem;
}

.source-grid small {
    margin-top: .25rem;
    color: #718078;
    font-size: .65rem;
}

.source-note {
    margin: 1rem 0 0;
    color: #77837d;
    font-size: .65rem;
}

.ai-final {
    padding: 4rem 0;
    background: var(--ai-lime);
    color: var(--ai-ink);
}

.ai-final .final-cta-kicker {
    color: #526a36;
}

.ai-final .final-cta-inner {
    border: 0;
}

.ai-final .button-light {
    background: var(--ai-ink);
    color: #fff;
}

.ai-footer {
    background: #080d0b;
}

@media (max-width: 980px) {
    .ai-hero-grid,
    .track-picker,
    .skill-studio,
    .verification-grid,
    .interview-bridge-card {
        grid-template-columns: 1fr;
    }

    .ai-hero-grid {
        gap: 4rem;
    }

    .capability-map {
        width: min(100%, 650px);
        margin-inline: auto;
    }

    .skill-form {
        border-right: 0;
        border-bottom: 1px solid rgba(255, 255, 255, .12);
    }

    .skill-preview pre {
        min-height: 420px;
    }

    .interview-bridge .button {
        grid-column: 1;
    }

    .research-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .failure-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

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

@media (max-width: 760px) {
    .ai-hero {
        padding: 4.5rem 0;
    }

    .ai-hero h1 {
        font-size: clamp(3rem, 15vw, 4.5rem);
    }

    .ai-principle .shell {
        grid-template-columns: 1fr;
        gap: .2rem;
        padding-block: 1rem;
        text-align: center;
    }

    .roadmap-level {
        grid-template-columns: 65px 1fr;
        gap: 1rem;
    }

    .level-status,
    .level-jump,
    .level-actions {
        grid-column: 2;
        justify-self: start;
    }

    .roadmap-progress {
        grid-template-columns: 1fr auto;
    }

    .roadmap-meter {
        grid-column: 1 / -1;
        grid-row: 2;
    }

    .model-grid,
    .source-grid {
        grid-template-columns: 1fr;
    }

    .failure-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .skill-quality {
        grid-template-columns: 1fr;
    }

    .skill-quality strong {
        text-align: left;
    }

    .capability-map li {
        grid-template-columns: 32px 1fr;
    }

    .capability-map li i {
        display: none;
    }
}

@media (max-width: 520px) {
    .ai-hero .hero-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .capability-map li:nth-child(n) {
        transform: none;
    }

    .capability-head {
        align-items: flex-start;
        flex-direction: column;
    }

    .roadmap-level {
        grid-template-columns: 1fr;
    }

    .level-number {
        flex-direction: row;
        gap: .4rem;
        align-items: baseline;
    }

    .level-status,
    .level-jump,
    .level-actions {
        grid-column: 1;
    }

    .roadmap-skill {
        margin-inline: 0;
    }

    .track-options,
    .research-grid,
    .failure-grid {
        grid-template-columns: 1fr;
    }

    .research-rule {
        grid-template-columns: 1fr;
        gap: .35rem;
    }

    .skill-form,
    .skill-preview {
        padding: 1rem;
    }

    .skill-form label > span {
        align-items: flex-start;
        flex-direction: column;
    }

    .verification-card > label {
        padding-inline: .9rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .roadmap-meter span {
        transition: none;
    }
}