.course-landing {
    padding-bottom: 0;
}

#result,
#program,
#platform,
#faq {
    scroll-margin-top: 104px;
}

.course-hero {
    position: relative;
    display: grid;
    min-height: 920px;
    overflow: hidden;
    grid-template-columns: minmax(0, 0.92fr) minmax(480px, 1.08fr);
    gap: 56px;
    align-items: center;
    padding: 142px max(24px, calc((100vw - var(--max)) / 2)) 84px;
    border-bottom: 1px solid var(--line);
}

.course-hero::after {
    position: absolute;
    inset: auto 0 0;
    height: 160px;
    content: "";
    background: linear-gradient(180deg, transparent, var(--bg));
    pointer-events: none;
}

.course-hero-grid {
    position: absolute;
    inset: 0;
    opacity: 0.36;
    background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(180deg, #000 12%, transparent 88%);
}

.course-hero-copy,
.learning-visual {
    position: relative;
    z-index: 2;
    min-width: 0;
}

.course-hero h1 {
    max-width: 740px;
    font-size: clamp(48px, 5.2vw, 72px);
    line-height: 0.95;
}

.course-hero-lead {
    max-width: 700px;
    margin: 28px 0 30px;
    color: var(--muted);
    font-size: clamp(18px, 1.8vw, 23px);
    line-height: 1.5;
}

.hero-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin: 30px 0 0;
    padding: 0;
    color: var(--muted);
    list-style: none;
}

.hero-facts li {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.hero-facts svg {
    width: 18px;
    color: var(--blue);
}

.learning-visual {
    transform: perspective(1200px) rotateY(-7deg) rotateX(3deg);
    transform-origin: center right;
}

.learning-window {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: color-mix(in srgb, var(--surface-solid) 95%, #000 5%);
    box-shadow: var(--shadow);
}

.learning-topbar {
    display: flex;
    height: 44px;
    align-items: center;
    gap: 8px;
    padding: 0 14px;
    border-bottom: 1px solid var(--line);
}

.learning-topbar span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--rose);
}

.learning-topbar span:nth-child(2) { background: var(--amber); }
.learning-topbar span:nth-child(3) { background: var(--green); }

.learning-topbar strong {
    margin-left: auto;
    color: var(--muted);
    font-size: 12px;
}

.learning-shell {
    display: grid;
    min-height: 560px;
    grid-template-columns: 220px minmax(0, 1fr);
}

.lesson-rail {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 22px 16px;
    border-right: 1px solid var(--line);
}

.lesson-rail b {
    margin: 0 8px 8px;
    font-size: 13px;
}

.lesson-rail span {
    display: grid;
    min-height: 54px;
    grid-template-columns: 30px 1fr;
    align-items: center;
    gap: 8px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: 9px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.35;
}

.lesson-rail span.is-current {
    border-color: color-mix(in srgb, var(--blue) 58%, var(--line));
    background: color-mix(in srgb, var(--blue) 14%, transparent);
    color: var(--text);
}

.lesson-rail em {
    color: var(--blue);
    font-style: normal;
    font-weight: 800;
}

.learning-stage {
    display: flex;
    min-width: 0;
    flex-direction: column;
    justify-content: center;
    padding: clamp(26px, 4vw, 48px);
}

.stage-progress {
    position: relative;
    height: 6px;
    margin-bottom: 54px;
    border-radius: 3px;
    background: var(--surface-soft);
}

.stage-progress span {
    display: block;
    width: 20%;
    height: 100%;
    border-radius: inherit;
    background: var(--blue);
}

.stage-progress small {
    position: absolute;
    top: 14px;
    left: 0;
    color: var(--muted);
}

.stage-kicker {
    margin: 0 0 10px;
    color: var(--blue);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
}

.learning-stage h2 {
    font-size: clamp(36px, 4vw, 60px);
}

.artifact-line {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-top: 34px;
}

.artifact-line span {
    display: grid;
    min-width: 0;
    gap: 8px;
    justify-items: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 12px 6px;
    color: var(--muted);
    font-size: 11px;
}

.artifact-line svg {
    width: 20px;
    color: var(--blue);
}

.mentor-note {
    display: grid;
    grid-template-columns: 30px 1fr;
    gap: 12px;
    align-items: start;
    margin-top: 24px;
    border-left: 2px solid var(--blue);
    padding: 12px 0 12px 16px;
}

.mentor-note svg { color: var(--blue); }
.mentor-note p { margin: 0; color: var(--muted); line-height: 1.45; }
.mentor-note b { color: var(--text); }

.course-proof {
    position: relative;
    z-index: 3;
    display: grid;
    width: min(calc(100% - 48px), var(--max));
    margin: -36px auto 0;
    grid-template-columns: repeat(2, 1fr);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-solid);
    box-shadow: var(--shadow);
}

.course-proof div {
    padding: 22px;
    border-right: 1px solid var(--line);
}

.course-proof div:last-child { border-right: 0; }
.course-proof strong, .course-proof span { display: block; }
.course-proof strong { font-size: 24px; }
.course-proof span { margin-top: 7px; color: var(--muted); font-size: 13px; line-height: 1.4; }

.course-outcomes {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.course-outcomes article {
    min-width: 0;
    padding: 24px 20px 28px;
    border-right: 1px solid var(--line);
}

.course-outcomes article:last-child { border-right: 0; }
.course-outcomes span { color: var(--blue); font-size: 13px; font-weight: 900; }
.course-outcomes h3 { margin-top: 28px; }
.course-outcomes p { margin: 12px 0 0; color: var(--muted); line-height: 1.5; }

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

.curriculum-list > li {
    display: grid;
    grid-template-columns: 90px minmax(0, 1.25fr) minmax(260px, 0.75fr);
    gap: 30px;
    align-items: start;
    padding: 34px 0;
    border-bottom: 1px solid var(--line);
}

.lesson-number {
    color: var(--blue);
    font-size: 36px;
    font-weight: 900;
    line-height: 1;
}

.lesson-label {
    margin: 0 0 8px;
    color: var(--blue);
    font-size: 12px;
    font-weight: 850;
    text-transform: uppercase;
}

.curriculum-list h3 { font-size: clamp(24px, 3vw, 36px); }
.curriculum-list div > p:last-child { max-width: 650px; margin: 14px 0 0; color: var(--muted); line-height: 1.55; }
.curriculum-list ul { margin: 0; padding-left: 20px; color: var(--muted); line-height: 1.7; }

.platform-course-section {
    display: grid;
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: 58px;
    align-items: start;
}

.platform-course-copy {
    position: sticky;
    top: 118px;
}

.platform-course-copy p:not(.eyebrow) {
    margin: 22px 0 28px;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.55;
}

.platform-benefits {
    display: grid;
    gap: 12px;
}

.platform-benefits article {
    display: grid;
    min-height: 116px;
    grid-template-columns: 42px 1fr;
    gap: 16px;
    align-items: start;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px;
    background: color-mix(in srgb, var(--surface-solid) 88%, transparent);
}

.platform-benefits svg { color: var(--blue); }
.platform-benefits p { margin: 8px 0 0; color: var(--muted); line-height: 1.5; }

.compare-table {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-solid);
}

.compare-row {
    display: grid;
    grid-template-columns: 0.7fr 1fr 1fr;
    border-top: 1px solid var(--line);
}

.compare-row:first-child { border-top: 0; }
.compare-row > * { min-width: 0; padding: 18px 20px; border-right: 1px solid var(--line); line-height: 1.5; }
.compare-row > *:last-child { border-right: 0; }
.compare-row span { color: var(--muted); }
.compare-row span:last-child { color: var(--text); background: color-mix(in srgb, var(--blue) 8%, transparent); }
.compare-head { color: var(--muted); font-size: 13px; font-weight: 800; text-transform: uppercase; }
.compare-note { margin: 16px 0 0; color: var(--muted); font-size: 13px; line-height: 1.5; }

.final-project-section {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(400px, 1.1fr);
    gap: 60px;
    align-items: center;
    padding: 64px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(135deg, color-mix(in srgb, var(--blue) 15%, transparent), transparent 55%), var(--surface-solid);
}

.final-project-copy p:not(.eyebrow) { margin: 20px 0 0; color: var(--muted); font-size: 18px; line-height: 1.55; }

.project-pipeline {
    display: grid;
    margin: 0;
    padding: 0;
    list-style: none;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}

.project-pipeline li {
    display: grid;
    min-height: 120px;
    place-content: center;
    gap: 10px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    text-align: center;
    font-weight: 800;
}

.project-pipeline span { color: var(--blue); font-size: 13px; }

.fit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.fit-grid article {
    min-height: 250px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px;
    background: color-mix(in srgb, var(--surface-solid) 88%, transparent);
}

.fit-grid svg { color: var(--blue); }
.fit-grid h3 { margin-top: 48px; }
.fit-grid p { color: var(--muted); line-height: 1.55; }

.faq-list {
    display: grid;
    border-top: 1px solid var(--line);
}

.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 24px 50px 24px 0; cursor: pointer; font-size: 20px; font-weight: 800; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: 22px; right: 4px; content: "+"; color: var(--blue); font-size: 28px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { max-width: 780px; margin: -8px 0 24px; color: var(--muted); line-height: 1.6; }

.course-final-cta {
    width: min(calc(100% - 48px), 980px);
    margin: 110px auto 0;
    padding: 62px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(135deg, color-mix(in srgb, var(--blue) 20%, transparent), transparent 58%), var(--surface-solid);
    text-align: center;
    box-shadow: var(--shadow);
}

.course-final-cta p:not(.eyebrow) { margin: 20px auto 28px; color: var(--muted); font-size: 18px; }
.course-final-cta small { display: block; margin-top: 16px; color: var(--muted); }

@media (max-width: 1120px) {
    .course-hero { grid-template-columns: 1fr; padding-top: 150px; }
    .course-hero-copy { max-width: 850px; }
    .learning-visual { width: min(860px, 100%); transform: none; }
    .course-outcomes { grid-template-columns: repeat(3, 1fr); border-left: 1px solid var(--line); }
    .course-outcomes article { border-bottom: 1px solid var(--line); }
    .platform-course-section { grid-template-columns: 1fr; }
    .platform-course-copy { position: static; }
}

@media (max-width: 800px) {
    .course-landing .site-header .ghost-button { display: none; }
    .course-landing .site-header .primary-button { padding-inline: 12px; font-size: 12px; }
    .course-hero { min-height: auto; gap: 46px; padding: 126px 18px 78px; }
    .course-hero h1 { font-size: clamp(42px, 13vw, 64px); }
    .course-hero .hero-actions { align-items: stretch; flex-direction: column; }
    .course-hero .primary-button, .course-hero .text-link { width: 100%; }
    .hero-facts { display: grid; gap: 12px; }
    .learning-shell { min-height: 500px; grid-template-columns: 1fr; }
    .lesson-rail { display: none; }
    .learning-stage { padding: 26px 20px; }
    .artifact-line { grid-template-columns: repeat(2, 1fr); }
    .course-proof { grid-template-columns: 1fr 1fr; }
    .course-proof div { border-bottom: 1px solid var(--line); }
    .course-proof div:nth-child(2) { border-right: 0; }
    .course-proof div:last-child { border-bottom: 0; }
    .course-outcomes { grid-template-columns: 1fr; }
    .course-outcomes article { border-right: 0; }
    .curriculum-list > li { grid-template-columns: 58px 1fr; gap: 18px; }
    .curriculum-list ul { grid-column: 2; }
    .platform-benefits article { grid-template-columns: 34px 1fr; }
    .compare-table { overflow-x: auto; }
    .compare-row { min-width: 700px; }
    .final-project-section { grid-template-columns: 1fr; gap: 36px; padding: 34px 20px; }
    .fit-grid { grid-template-columns: 1fr; }
    .fit-grid article { min-height: 220px; }
    .course-final-cta { width: min(calc(100% - 28px), 980px); margin-top: 82px; padding: 38px 20px; }
    .course-final-cta .primary-button { width: 100%; }
}

@media (max-width: 460px) {
    .course-landing .brand-note { display: none; }
    .course-landing .site-header .icon-button:not([data-theme-toggle]) { display: none; }
    .course-proof { grid-template-columns: 1fr; }
    .course-proof div { border-right: 0; }
    .curriculum-list > li { grid-template-columns: 1fr; }
    .curriculum-list ul { grid-column: 1; }
    .lesson-number { font-size: 28px; }
    .project-pipeline { grid-template-columns: repeat(2, 1fr); }
}