:root {
    --ink: #101816;
    --ink-soft: #3d4a45;
    --paper: #f5f3eb;
    --white: #fff;
    --line: rgba(16, 24, 22, .14);
    --lime: #c8ff68;
    --mint: #b9f6cf;
    --yellow: #ffdc68;
    --shell: 1180px;
    --shadow: 0 28px 80px rgba(16, 24, 22, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; }
button, input, select { color: inherit; font: inherit; }
:focus-visible { outline: 3px solid var(--yellow); outline-offset: 4px; }
.shell { width: min(calc(100% - 40px), var(--shell)); margin-inline: auto; }
.skip-link {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 1000;
    padding: .75rem 1rem;
    border-radius: 10px;
    background: var(--ink);
    color: #fff;
    transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid transparent;
    background: rgba(245, 243, 235, .9);
    backdrop-filter: blur(18px);
}
.site-header.is-scrolled { border-color: var(--line); box-shadow: 0 10px 35px rgba(16, 24, 22, .06); }
.nav-shell {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    min-height: 78px;
}
.brand {
    display: inline-flex;
    gap: .7rem;
    align-items: center;
    width: max-content;
    text-decoration: none;
}
.brand img { width: 38px; height: 38px; }
.brand span { display: flex; flex-direction: column; line-height: 1.2; }
.brand strong { font-size: 1.02rem; letter-spacing: -.02em; }
.brand small { margin-top: .15rem; color: #69756f; font-size: .66rem; }
.desktop-nav { display: flex; gap: 1.8rem; align-items: center; }
.desktop-nav a { color: #3d4a45; font-size: .82rem; font-weight: 720; text-decoration: none; }
.nav-cta {
    justify-self: end;
    padding: .68rem 1.05rem;
    border-radius: 999px;
    background: var(--ink);
    color: #fff;
    font-size: .8rem;
    font-weight: 800;
    text-decoration: none;
}
.menu-button, .mobile-nav { display: none; }

.skills-hero {
    position: relative;
    overflow: hidden;
    padding: 6.5rem 0;
}
.hero-grid-bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(16, 24, 22, .04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 24, 22, .04) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(to bottom, #000, transparent);
}
.skills-hero::before {
    position: absolute;
    top: 60px;
    right: 8%;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(200, 255, 104, .3);
    content: "";
    filter: blur(3px);
}
.skills-hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: clamp(4rem, 9vw, 8rem);
    align-items: center;
}
.eyebrow {
    display: flex;
    gap: .6rem;
    align-items: center;
    margin: 0 0 1.25rem;
    color: #41604f;
    font-size: .7rem;
    font-weight: 850;
    letter-spacing: .15em;
    text-transform: uppercase;
}
.eyebrow > span { width: 20px; height: 3px; border-radius: 999px; background: #33865a; }
.eyebrow-dark { color: #59655f; }
.eyebrow-mint { color: var(--lime); }
.eyebrow-mint > span { background: var(--lime); }
.skills-hero h1 {
    margin: 0;
    font-size: clamp(3.8rem, 6.4vw, 6.5rem);
    font-weight: 820;
    letter-spacing: -.076em;
    line-height: .91;
}
.skills-hero h1 em {
    color: #2b7750;
    font-family: Georgia, "Times New Roman", serif;
    font-weight: 500;
}
.hero-lede { max-width: 680px; margin: 1.8rem 0 0; color: var(--ink-soft); font-size: 1.1rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    padding: .82rem 1.15rem;
    border: 1px solid transparent;
    border-radius: 12px;
    font-weight: 800;
    text-decoration: none;
    transition: transform .2s ease, box-shadow .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--ink); box-shadow: 0 12px 28px rgba(16, 24, 22, .18); color: #fff; }
.button-quiet { border-color: var(--line); background: rgba(255, 255, 255, .5); }
.button-light { background: #fff; color: var(--ink); }
.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: .7rem 1.2rem;
    margin: 1.35rem 0 0;
    padding: 0;
    color: #647069;
    font-size: .75rem;
    list-style: none;
}
.hero-trust span { color: #288451; font-weight: 900; }

.radar-card {
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 26px;
    background:
        radial-gradient(circle at center, rgba(200, 255, 104, .11), transparent 45%),
        var(--ink);
    box-shadow: var(--shadow);
    color: #fff;
    transform: rotate(1.2deg);
}
.radar-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.3rem;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
    color: #94a49c;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: .65rem;
}
.radar-head i { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 20px var(--lime); }
.radar-core { display: flex; gap: 1rem; align-items: center; padding: 1.3rem; }
.radar-core > span {
    display: grid;
    width: 70px;
    height: 70px;
    place-items: center;
    border-radius: 20px;
    background: var(--lime);
    color: var(--ink);
    font-family: Georgia, serif;
    font-size: 2.4rem;
}
.radar-core div { display: flex; flex-direction: column; }
.radar-core strong { font-size: 1.1rem; }
.radar-core small { color: #91a198; }
.radar-rings { position: relative; min-height: 300px; margin: 0 1.3rem; }
.ring {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}
.ring-one { width: 180px; height: 180px; }
.ring-two { width: 285px; height: 285px; }
.radar-rings::after {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--lime);
    box-shadow: 0 0 30px var(--lime);
    content: "";
    transform: translate(-50%, -50%);
}
.radar-dot {
    position: absolute;
    padding: .4rem .55rem;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 9px;
    background: rgba(255, 255, 255, .08);
    color: #cbd4d0;
    font-size: .6rem;
    font-weight: 850;
}
.dot-ai { top: 18%; left: 20%; color: var(--lime); }
.dot-build { top: 27%; right: 12%; color: var(--yellow); }
.dot-cloud { right: 22%; bottom: 15%; color: #94c9ff; }
.dot-secure { bottom: 22%; left: 12%; color: #ff9c8f; }
.radar-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.3rem;
    border-top: 1px solid rgba(255, 255, 255, .1);
    color: #8d9e96;
    font-size: .65rem;
}
.radar-footer strong { color: #d8e0dc; }

.skills-proof-strip { background: var(--ink); color: #fff; }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-grid > div {
    display: flex;
    min-height: 100px;
    flex-direction: column;
    justify-content: center;
    padding: 1rem 1.5rem;
    border-left: 1px solid rgba(255, 255, 255, .1);
}
.proof-grid > div:last-child { border-right: 1px solid rgba(255, 255, 255, .1); }
.proof-grid strong { color: var(--lime); font-family: Georgia, serif; font-size: 1.7rem; font-weight: 500; }
.proof-grid span { color: #9eaaa4; font-size: .7rem; }

.section { padding: 7rem 0; }
.selection-section { background: #fff; }
.selection-grid {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: clamp(3rem, 8vw, 7rem);
    align-items: center;
}
.selection-grid h2,
.section-heading h2,
.global-benchmark h2 {
    margin: 0;
    font-size: clamp(2.7rem, 4.8vw, 4.8rem);
    font-weight: 800;
    letter-spacing: -.065em;
    line-height: .98;
}
.selection-grid > div > p:not(.eyebrow) { max-width: 610px; color: #606c66; }
.selection-rules { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.selection-rules li {
    display: grid;
    grid-template-columns: 55px 1fr;
    gap: .9rem;
    padding: 1.3rem 0;
    border-bottom: 1px solid var(--line);
}
.selection-rules li > span { color: #367d55; font-family: Georgia, serif; font-style: italic; }
.selection-rules strong { font-size: .92rem; }
.selection-rules p { margin: .25rem 0 0; color: #69756f; font-size: .76rem; }

.path-finder-section {
    overflow: hidden;
    background:
        radial-gradient(circle at 10% 15%, rgba(200, 255, 104, .12), transparent 24%),
        linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px),
        var(--ink);
    background-size: auto, 44px 44px, 44px 44px, auto;
    color: #fff;
}
.path-finder-grid {
    display: grid;
    grid-template-columns: .82fr 1.18fr;
    gap: clamp(3rem, 8vw, 7rem);
    align-items: center;
}
.path-finder-copy h2 {
    max-width: 620px;
    margin: 0;
    font-size: clamp(2.9rem, 5vw, 5rem);
    font-weight: 800;
    letter-spacing: -.07em;
    line-height: .94;
}
.path-finder-copy > p:not(.eyebrow) {
    max-width: 610px;
    color: #9eaea7;
}
.path-finder-copy ul {
    display: grid;
    gap: .65rem;
    margin: 1.8rem 0 0;
    padding: 0;
    list-style: none;
}
.path-finder-copy li {
    display: flex;
    gap: .8rem;
    align-items: center;
    color: #bdc8c3;
    font-size: .77rem;
}
.path-finder-copy li span {
    color: var(--lime);
    font-family: Georgia, serif;
    font-style: italic;
}
.path-finder-panel {
    padding: clamp(1.2rem, 3vw, 2rem);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 24px;
    background: rgba(255, 255, 255, .07);
    box-shadow: 0 30px 80px rgba(0, 0, 0, .25);
    backdrop-filter: blur(12px);
}
.path-finder-panel form {
    display: grid;
    gap: .85rem;
}
.path-finder-panel label {
    display: grid;
    grid-template-columns: minmax(150px, .68fr) minmax(220px, 1.32fr);
    gap: 1rem;
    align-items: center;
    padding-bottom: .85rem;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.path-finder-panel label > span {
    color: #b6c3bd;
    font-size: .68rem;
    font-weight: 800;
}
.path-finder-panel select {
    width: 100%;
    min-height: 46px;
    padding: .65rem 2.3rem .65rem .8rem;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 10px;
    background: #1e2b27;
    color: #fff;
    font-size: .72rem;
}
.path-finder-panel form > button,
.path-finder-result > a {
    display: grid;
    min-height: 50px;
    place-items: center;
    border: 0;
    border-radius: 11px;
    background: var(--lime);
    color: var(--ink);
    cursor: pointer;
    font-size: .73rem;
    font-weight: 850;
    text-decoration: none;
}
.path-finder-panel form > button {
    margin-top: .35rem;
}
.path-finder-result {
    margin-top: 1rem;
    padding: 1.15rem;
    border: 1px solid rgba(200, 255, 104, .36);
    border-radius: 16px;
    background: #f6f7f2;
    color: var(--ink);
}
.path-finder-result[hidden] { display: none; }
.finder-result-top {
    display: flex;
    gap: .8rem;
    align-items: center;
}
.finder-result-mark {
    display: grid;
    flex: 0 0 46px;
    width: 46px;
    height: 46px;
    place-items: center;
    border-radius: 13px;
    background: var(--finder-accent, var(--lime));
    font-size: .68rem;
    font-weight: 900;
}
.finder-result-top p {
    display: flex;
    flex-direction: column;
    margin: 0;
    line-height: 1.25;
}
.finder-result-top small {
    color: #5b7867;
    font-size: .55rem;
    font-weight: 850;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.finder-result-top strong {
    margin-top: .2rem;
    font-size: 1rem;
}
.path-finder-result > p {
    margin: .8rem 0;
    color: #59665f;
    font-size: .7rem;
}
.finder-result-meta {
    display: flex;
    gap: .45rem;
    margin-bottom: .8rem;
}
.finder-result-meta span {
    padding: .25rem .5rem;
    border-radius: 999px;
    background: #e7ebe6;
    color: #536158;
    font-size: .56rem;
    font-weight: 750;
}
.path-finder-result > a { width: 100%; background: var(--ink); color: #fff; }
.finder-privacy {
    margin: .8rem 0 0;
    color: #7f9289;
    font-size: .58rem;
    text-align: center;
}

.catalog-section { background: var(--paper); }
.section-heading {
    display: grid;
    grid-template-columns: 1fr .7fr;
    gap: 4rem;
    align-items: end;
    margin-bottom: 3rem;
}
.section-heading > p { margin: 0 0 .2rem; color: #606c66; }
.catalog-controls {
    display: flex;
    gap: 1rem;
    align-items: end;
    justify-content: space-between;
}
.category-filters { display: flex; flex-wrap: wrap; gap: .5rem; }
.category-filters button {
    padding: .6rem .82rem;
    border: 1px solid #d0d6d2;
    border-radius: 999px;
    background: transparent;
    cursor: pointer;
    font-size: .7rem;
    font-weight: 780;
}
.category-filters button[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: #fff; }
.catalog-search {
    display: flex;
    flex-direction: column;
    gap: .3rem;
    color: #68746e;
    font-size: .6rem;
    font-weight: 850;
    letter-spacing: .1em;
    text-transform: uppercase;
}
.catalog-search input {
    width: min(280px, 38vw);
    padding: .68rem .8rem;
    border: 1px solid #d0d6d2;
    border-radius: 10px;
    background: #fff;
    font-size: .72rem;
    letter-spacing: 0;
    text-transform: none;
}
.catalog-count { margin: 1rem 0; color: #77827c; font-size: .68rem; }
.course-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}
.course-card {
    display: flex;
    min-height: 530px;
    flex-direction: column;
    padding: 1.35rem;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(255, 255, 255, .72);
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.course-card:hover { background: #fff; box-shadow: 0 22px 55px rgba(16, 24, 22, .09); transform: translateY(-5px); }
.course-card::before {
    width: 100%;
    height: 5px;
    margin-bottom: 1.1rem;
    border-radius: 999px;
    background: var(--track-accent);
    content: "";
}
.course-card-top { display: flex; align-items: center; justify-content: space-between; }
.course-mark {
    display: grid;
    width: 45px;
    height: 45px;
    place-items: center;
    border-radius: 13px;
    background: var(--track-accent);
    font-size: .68rem;
    font-weight: 900;
}
.course-meta { color: #6d7972; font-size: .57rem; font-weight: 750; text-align: right; }
.course-category {
    margin-top: 1.8rem;
    color: #4a765d;
    font-size: .58rem;
    font-weight: 850;
    letter-spacing: .1em;
    text-transform: uppercase;
}
.course-card h3 { margin: .35rem 0 .7rem; font-size: 1.5rem; letter-spacing: -.05em; line-height: 1.05; }
.course-card h3 a { text-decoration: none; }
.course-description { margin: 0; color: #5d6963; font-size: .75rem; }
.course-tags { display: flex; flex-wrap: wrap; gap: .35rem; margin: 1rem 0; padding: 0; list-style: none; }
.course-tags li {
    padding: .25rem .45rem;
    border-radius: 999px;
    background: #ecefe9;
    color: #5b665f;
    font-size: .56rem;
    font-weight: 750;
}
.why-now { margin: 0 0 1.2rem; color: #52675b; font-size: .65rem; }
.course-progress-label { display: flex; align-items: center; justify-content: space-between; margin-top: auto; font-size: .6rem; }
.course-progress-label strong { color: #31764f; }
.course-progress-meter {
    overflow: hidden;
    height: 6px;
    margin: .5rem 0 .9rem;
    border-radius: 999px;
    background: #e0e5e1;
}
.course-progress-meter span { display: block; height: 100%; border-radius: inherit; background: #3ca66b; }
.course-open {
    display: grid;
    min-width: 0;
    min-height: 44px;
    place-items: center;
    padding: .55rem .65rem;
    border: 1px solid var(--ink);
    border-radius: 10px;
    cursor: pointer;
    font-size: .68rem;
    font-weight: 820;
    text-align: center;
    text-decoration: none;
}
.course-actions { display: grid; grid-template-columns: 1.35fr .65fr; gap: .5rem; }
.course-open-primary { background: var(--ink); color: #fff; }
.course-open-secondary { background: transparent; color: var(--ink); }

.video-lab-section { background: var(--ink); color: #fff; }
.video-heading > p { color: #9aa8a1; }
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.video-card {
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 19px;
    background: rgba(255, 255, 255, .055);
}
.video-visual {
    position: relative;
    display: grid;
    min-height: 180px;
    place-items: center;
    background:
        radial-gradient(circle at 65% 35%, rgba(200, 255, 104, .2), transparent 28%),
        linear-gradient(135deg, #1b2925, #0f1715);
}
.video-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: #a8b6af;
    font-size: .58rem;
    font-weight: 850;
    letter-spacing: .1em;
    text-transform: uppercase;
}
.video-play {
    display: grid;
    width: 58px;
    height: 58px;
    place-items: center;
    border-radius: 50%;
    background: var(--lime);
    color: var(--ink);
    font-size: .8rem;
}
.video-visual small { position: absolute; right: 1rem; bottom: .8rem; color: #9caaa3; font-size: .58rem; }
.video-copy { padding: 1.2rem; }
.video-copy > span { color: var(--lime); font-size: .58rem; font-weight: 800; text-transform: uppercase; }
.video-copy h3 { margin: .3rem 0 .5rem; font-size: 1.15rem; letter-spacing: -.035em; }
.video-copy p { min-height: 66px; margin: 0; color: #9faca6; font-size: .7rem; }
.video-copy button {
    width: 100%;
    min-height: 42px;
    margin-top: 1rem;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 9px;
    background: rgba(255, 255, 255, .07);
    color: #fff;
    cursor: pointer;
    font-size: .66rem;
    font-weight: 800;
}
.video-legal { margin: 1.2rem 0 0; color: #82918a; font-size: .62rem; }

.global-benchmark { padding: 4.5rem 0; background: var(--lime); }
.benchmark-grid {
    display: grid;
    grid-template-columns: 1fr .7fr auto;
    gap: 2rem;
    align-items: center;
}
.global-benchmark span { font-size: .62rem; font-weight: 850; letter-spacing: .1em; }
.global-benchmark h2 { max-width: 650px; margin-top: .6rem; font-size: clamp(2.2rem, 4vw, 3.8rem); }
.global-benchmark p { color: #526158; font-size: .78rem; }

.course-dialog, .video-dialog {
    width: min(1120px, calc(100% - 30px));
    max-height: min(92vh, 930px);
    padding: 0;
    border: 0;
    border-radius: 24px;
    box-shadow: 0 40px 120px rgba(0, 0, 0, .35);
}
.course-dialog::backdrop, .video-dialog::backdrop { background: rgba(5, 12, 10, .78); backdrop-filter: blur(5px); }
.dialog-shell, .video-dialog-shell {
    position: relative;
    overflow: auto;
    max-height: min(92vh, 930px);
    padding: clamp(1.4rem, 4vw, 3rem);
}
.dialog-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 2;
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border: 1px solid #d5dbd7;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    font-size: 1.3rem;
}
.dialog-heading { display: flex; gap: 1rem; align-items: center; padding-right: 3rem; }
.dialog-mark {
    display: grid;
    flex: 0 0 58px;
    width: 58px;
    height: 58px;
    place-items: center;
    border-radius: 16px;
    font-size: .78rem;
    font-weight: 900;
}
.dialog-heading p, .video-dialog-kicker {
    margin: 0 0 .25rem;
    color: #4c7b60;
    font-size: .62rem;
    font-weight: 850;
    letter-spacing: .1em;
    text-transform: uppercase;
}
.dialog-heading h2, .video-dialog h2 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.3rem);
    letter-spacing: -.06em;
    line-height: 1.02;
}
.dialog-description { max-width: 800px; margin: 1.3rem 0; color: #5e6b64; }
.course-outcome {
    display: flex;
    flex-direction: column;
    padding: 1rem 1.1rem;
    border: 1px solid #cfe2d5;
    border-radius: 13px;
    background: #eef9f1;
}
.course-outcome span { color: #367953; font-size: .58rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.course-outcome strong { margin-top: .25rem; font-size: .82rem; }
.dialog-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(2rem, 6vw, 5rem); margin-top: 2rem; }
.mission-head { display: flex; align-items: center; justify-content: space-between; font-size: .66rem; }
.mission-head span { font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.mission-head strong { color: #31764f; }
.mission-meter { overflow: hidden; height: 7px; margin: .6rem 0 1rem; border-radius: 999px; background: #e2e8e4; }
.mission-meter span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #4dc079, var(--lime)); }
.mission-list { display: grid; gap: .65rem; }
.proof-mission {
    display: grid;
    grid-template-columns: auto 38px 1fr;
    gap: .7rem;
    align-items: start;
    padding: .95rem;
    border: 1px solid #d9dfdb;
    border-radius: 13px;
    cursor: pointer;
}
.proof-mission.is-complete { border-color: #80c698; background: #eff9f2; }
.proof-mission input { margin-top: .2rem; accent-color: #32865a; }
.mission-number { color: #397f58; font-family: Georgia, serif; font-style: italic; }
.mission-copy { display: flex; flex-direction: column; }
.mission-copy strong { font-size: .82rem; }
.mission-copy p { margin: .2rem 0; color: #5e6b64; font-size: .7rem; }
.mission-copy small { color: #33724f; font-size: .61rem; }
.reference-panel {
    padding: 1.2rem;
    border-radius: 16px;
    background: #f0efe8;
}
.reference-panel h3 { margin: 0; font-size: .82rem; }
.reference-panel > p { color: #68736d; font-size: .68rem; }
.reference-panel > div { display: grid; gap: .55rem; margin-top: 1rem; }
.reference-link {
    display: flex;
    flex-direction: column;
    padding: .75rem;
    border: 1px solid #d4dad6;
    border-radius: 10px;
    background: #fff;
    text-decoration: none;
}
.reference-link strong { font-size: .72rem; }
.reference-link span { color: #53705f; font-size: .6rem; }
.interactive-link {
    display: block;
    margin-top: 1rem;
    padding: .75rem;
    border-radius: 10px;
    background: var(--ink);
    color: #fff;
    font-size: .68rem;
    font-weight: 800;
    text-align: center;
    text-decoration: none;
}
.interactive-link[hidden] { display: none; }

.video-dialog { width: min(920px, calc(100% - 30px)); background: var(--ink); color: #fff; }
.video-close { border-color: rgba(255, 255, 255, .2); background: rgba(255, 255, 255, .1); color: #fff; }
.video-credit { margin: .5rem 0 1.2rem; color: #9ba9a2; font-size: .7rem; }
.video-frame {
    overflow: hidden;
    aspect-ratio: 16 / 9;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 15px;
    background: #080d0c;
}
.video-frame iframe { width: 100%; height: 100%; border: 0; }
.video-frame > div { display: grid; height: 100%; place-content: center; text-align: center; }
.video-frame > div span { color: var(--lime); font-size: .7rem; font-weight: 800; }
.video-frame > div p { color: #8c9b94; font-size: .65rem; }
.video-prompts { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; margin-top: .9rem; }
.video-prompts article {
    padding: .9rem;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 12px;
    background: rgba(255, 255, 255, .055);
}
.video-prompts span { color: var(--lime); font-size: .58rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.video-prompts p { margin: .35rem 0 0; color: #b3beb8; font-size: .7rem; }
.youtube-fallback { display: inline-block; margin-top: .9rem; color: var(--lime); font-size: .67rem; font-weight: 800; }
.catalog-fallback { display: block; padding: 2rem; border: 1px solid var(--line); border-radius: 16px; background: #fff; font-weight: 800; }

footer { padding: 4.5rem 0 1.5rem; background: var(--ink); color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 5rem; padding-bottom: 3rem; }
footer .brand { color: #fff; }
footer .brand small { color: #8f9b95; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.footer-links > div { display: flex; flex-direction: column; gap: .6rem; }
.footer-links strong { margin-bottom: .2rem; color: var(--lime); font-size: .65rem; text-transform: uppercase; }
.footer-links a { width: max-content; color: #a6b1ac; font-size: .72rem; text-decoration: none; }
.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 1.2rem;
    border-top: 1px solid rgba(255, 255, 255, .1);
    color: #7f8b85;
    font-size: .65rem;
}

@media (max-width: 1080px) {
    .course-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .benchmark-grid { grid-template-columns: 1fr 1fr; }
    .benchmark-grid > a { grid-column: 1 / -1; }
}
@media (max-width: 950px) {
    .nav-shell { grid-template-columns: 1fr auto; }
    .desktop-nav, .nav-cta { display: none; }
    .menu-button {
        display: grid;
        width: 42px;
        height: 42px;
        place-content: center;
        gap: 6px;
        border: 1px solid var(--line);
        border-radius: 12px;
        background: rgba(255, 255, 255, .6);
        cursor: pointer;
    }
    .menu-button span { width: 18px; height: 2px; background: var(--ink); }
    .mobile-nav {
        position: fixed;
        inset: 78px 0 auto;
        display: flex;
        height: calc(100vh - 78px);
        flex-direction: column;
        padding: 1rem 20px;
        background: var(--paper);
    }
    .mobile-nav[hidden] { display: none; }
    .mobile-nav a { padding: 1rem .2rem; border-bottom: 1px solid var(--line); font-weight: 800; text-decoration: none; }
    .mobile-nav-cta { margin-top: 1rem; border-radius: 10px; background: var(--ink); color: #fff; text-align: center; }
    .skills-hero-grid, .selection-grid, .path-finder-grid, .dialog-layout { grid-template-columns: 1fr; }
    .section-heading { grid-template-columns: 1fr; gap: 1.2rem; }
    .video-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
    .shell { width: min(calc(100% - 28px), var(--shell)); }
    .skills-hero { padding: 4rem 0; }
    .skills-hero h1 { font-size: clamp(3.25rem, 15vw, 4.7rem); }
    .proof-grid { grid-template-columns: repeat(2, 1fr); }
    .proof-grid > div { border-bottom: 1px solid rgba(255, 255, 255, .1); }
    .section { padding: 5rem 0; }
    .catalog-controls { align-items: stretch; flex-direction: column; }
    .path-finder-panel label { grid-template-columns: 1fr; gap: .4rem; }
    .catalog-search input { width: 100%; }
    .course-grid, .video-grid, .benchmark-grid, .footer-grid, .video-prompts { grid-template-columns: 1fr; }
    .course-card { min-height: 470px; }
    .dialog-heading { align-items: flex-start; }
    .proof-mission { grid-template-columns: auto 1fr; }
    .mission-number { display: none; }
    .footer-links { grid-template-columns: 1fr 1fr; }
    .footer-bottom { gap: .5rem; align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .button, .course-card { transition: none; }
}