.detail-page {
    background:
        radial-gradient(circle at top left, rgba(254, 119, 67, 0.12), transparent 30vw),
        linear-gradient(180deg, var(--white) 0%, var(--gray-100) 100%);
    color: var(--black);
}

.detail-page-loading .detail-main,
.detail-page-loading .detail-footer {
    opacity: 0;
}

.detail-page-ready .detail-main,
.detail-page-ready .detail-footer {
    opacity: 1;
    transition: opacity 0.72s cubic-bezier(0.16, 1, 0.3, 1);
}

.detail-main {
    padding-top: 52px;
}

.detail-mask-hero {
    --mask-progress: 0;
    --mask-depth-progress: 0;
    --mask-cover-opacity: 0;
    --mask-title-opacity: 0;
    --mask-title-scale: 4.8;
    --mask-title-blur: 0px;
    --mask-title-fill: 0;
    --mask-normal-opacity: 0;
    --mask-solid-opacity: 0;
    --mask-solid-percent: 0%;
    --mask-support-opacity: 0;
    --mask-support-y: 18px;
    --mask-kicker-y: -18px;
    --mask-cover: #ffffff;
    position: relative;
    height: 960svh;
    margin-top: -52px;
    background: var(--mask-cover);
}

.detail-mask-sticky {
    position: sticky;
    top: 0;
    height: 100svh;
    display: grid;
    place-items: center;
    overflow: hidden;
    isolation: isolate;
    background: transparent;
}

.detail-mask-bg,
.detail-mask-title::before {
    background-image: url('/assets/images/ESSEC%20APAC%20Building.avif');
    background-position: center;
    background-size: cover;
}

.detail-mask-bg {
    position: absolute;
    inset: 0;
    z-index: -3;
    opacity: 1;
    transform: none;
    filter: none;
    will-change: auto;
}

.detail-mask-dim {
    position: absolute;
    inset: 0;
    z-index: -2;
    background: var(--mask-cover);
    opacity: var(--mask-cover-opacity);
    will-change: opacity;
}

.detail-mask-copy {
    width: min(1060px, calc(100% - 36px));
    display: grid;
    justify-items: center;
    text-align: center;
}

.detail-mask-kicker,
.detail-mask-lede,
.detail-mask-actions {
    opacity: var(--mask-support-opacity);
    transition: none;
}

.detail-mask-kicker {
    margin-bottom: 22px;
    color: var(--primary);
    transform: translateY(var(--mask-kicker-y));
}

.detail-mask-lede,
.detail-mask-actions {
    transform: translateY(var(--mask-support-y));
}

.detail-mask-title {
    position: relative;
    width: 100%;
    color: #ffffff;
    font-size: clamp(44px, 8.4vw, 108px);
    font-weight: 800;
    line-height: 0.9;
    letter-spacing: 0;
    text-align: center;
    opacity: max(var(--mask-title-opacity), var(--mask-normal-opacity));
    transform: scale(var(--mask-title-scale));
    filter: blur(var(--mask-title-blur));
    transform-origin: center;
    text-shadow: 0 2px 22px color-mix(in srgb, var(--white) 46%, transparent);
    will-change: transform, opacity, filter;
}

.detail-mask-title::before {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    content: 'My Work at ESSEC Business School';
    color: transparent;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: calc(var(--mask-title-fill) * (1 - var(--mask-normal-opacity)));
    filter: brightness(1.04) contrast(1.08);
}

.detail-mask-title {
    color: color-mix(in srgb, #ffffff var(--mask-solid-percent), transparent);
}

.detail-mask-lede {
    max-width: 760px;
    margin-top: 26px;
    color: #ffffff;
    font-size: clamp(18px, 2vw, 23px);
    line-height: 1.58;
    text-shadow: 0 1px 18px color-mix(in srgb, var(--white) 50%, transparent);
}

.detail-mask-actions {
    margin-top: 32px;
}

.detail-mask-scroll {
    position: absolute;
    left: 50%;
    bottom: 30px;
    transform: translateX(-50%) translateY(calc(var(--mask-progress) * 16px));
    color: rgba(255, 255, 255, 0.72);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    opacity: clamp(0, calc(1 - (var(--mask-progress) * 3)), 1);
}

.detail-hero {
    min-height: min(780px, calc(100svh - 52px));
    display: grid;
    align-items: end;
    padding: clamp(96px, 14vw, 164px) 22px 72px;
    position: relative;
    overflow: hidden;
}

.detail-hero-cinematic {
    --detail-hero-shift: 0px;
    --detail-hero-fade: 1;
}

.detail-hero-cinematic .detail-hero-inner {
    opacity: var(--detail-hero-fade);
    transform: translateY(var(--detail-hero-shift));
}

.detail-hero::before {
    content: '';
    position: absolute;
    inset: auto 0 0;
    height: 44%;
    background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--white) 88%, transparent));
    pointer-events: none;
}

.detail-hero-inner,
.detail-section-inner,
.detail-footer-inner {
    width: min(1120px, 100%);
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.detail-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 22px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
}

.detail-kicker::before {
    content: '';
    width: 30px;
    height: 2px;
    background: currentColor;
}

.detail-hero h1 {
    max-width: 900px;
    font-size: clamp(48px, 8vw, 104px);
    line-height: 0.95;
    font-weight: 700;
    letter-spacing: 0;
}

.detail-reveal-title {
    display: grid;
    gap: 0.08em;
}

.detail-hero .detail-reveal-title > span {
    display: block;
    color: var(--black);
}

.detail-hero .detail-reveal-title .detail-accent {
    color: var(--primary);
}

.detail-hero h1 span,
.detail-section-title span {
    color: var(--primary);
}

.detail-lede {
    max-width: 720px;
    margin-top: 28px;
    color: var(--gray-600);
    font-size: clamp(18px, 2.2vw, 24px);
    line-height: 1.55;
}

.detail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.detail-button,
.detail-button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 12px 18px;
    border-radius: 980px;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}

.detail-button {
    background: var(--primary);
    color: #ffffff;
}

.detail-button-secondary {
    color: var(--black);
    border: 1px solid var(--soft-border);
    background: color-mix(in srgb, var(--white) 70%, transparent);
}

.detail-visual-band {
    padding: 0 22px 84px;
}

.detail-depth-band {
    --detail-media-scale: 1;
    --detail-media-lift: 0px;
    perspective: 1200px;
}

.detail-visual {
    width: min(1120px, 100%);
    margin: 0 auto;
    border-radius: 28px;
    overflow: hidden;
    border: 1px solid var(--soft-border);
    background: var(--white);
    box-shadow: 0 34px 90px var(--card-shadow);
}

.detail-depth-visual {
    transform: translateY(var(--detail-media-lift)) scale(var(--detail-media-scale));
    transform-origin: center top;
    transition: transform 0.18s linear;
}

.detail-visual img {
    display: block;
    width: 100%;
    height: clamp(260px, 46vw, 560px);
    object-fit: cover;
}

.detail-stage-section {
    position: relative;
}

.detail-stage-section::before {
    content: '';
    position: absolute;
    inset: 18% auto auto 50%;
    width: min(520px, 46vw);
    aspect-ratio: 1;
    border: 1px solid color-mix(in srgb, var(--primary) 20%, transparent);
    border-radius: 50%;
    opacity: 0.35;
    transform: translateX(-50%);
    pointer-events: none;
}

.detail-section {
    padding: 86px 22px;
}

.detail-intro-section {
    padding-top: 110px;
}

.detail-section-alt {
    background: color-mix(in srgb, var(--gray-100) 74%, var(--white));
}

.detail-section-header {
    max-width: 720px;
    margin-bottom: 34px;
}

.detail-label {
    margin-bottom: 14px;
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.detail-section-title {
    font-size: clamp(32px, 5vw, 62px);
    line-height: 1;
    letter-spacing: 0;
}

.detail-section-copy {
    margin-top: 18px;
    color: var(--gray-600);
    font-size: 17px;
    line-height: 1.75;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.detail-card {
    min-height: 100%;
    padding: 24px;
    border: 1px solid var(--soft-border);
    border-radius: 8px;
    background: color-mix(in srgb, var(--white) 86%, transparent);
}

.detail-card strong {
    display: block;
    margin-bottom: 14px;
    color: var(--primary);
    font-size: 13px;
    text-transform: uppercase;
}

.detail-card h3 {
    font-size: 22px;
    line-height: 1.2;
    letter-spacing: 0;
}

.detail-card p,
.detail-card li {
    color: var(--gray-600);
    font-size: 15px;
    line-height: 1.7;
}

.detail-card p {
    margin-top: 12px;
}

.detail-card ul {
    display: grid;
    gap: 10px;
    margin-top: 14px;
    padding-left: 18px;
}

.detail-split {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: clamp(28px, 5vw, 72px);
    align-items: start;
}

.detail-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.detail-stat {
    min-height: 142px;
    padding: 22px;
    border: 1px solid var(--soft-border);
    border-radius: 8px;
    background: var(--white);
}

.detail-stat span {
    display: block;
    color: var(--primary);
    font-size: 34px;
    font-weight: 800;
}

.detail-stat p {
    margin-top: 8px;
    color: var(--gray-600);
    line-height: 1.5;
}

.detail-impact-section {
    padding-top: 110px;
    padding-bottom: 110px;
    background: linear-gradient(180deg, transparent 0%, color-mix(in srgb, var(--primary) 6%, transparent) 48%, transparent 100%);
}

.detail-impact {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(220px, 0.42fr);
    gap: clamp(28px, 6vw, 84px);
    align-items: end;
    margin-bottom: 42px;
}

.detail-impact-copy {
    max-width: 720px;
}

.detail-impact-metric {
    min-height: 260px;
    display: grid;
    align-content: center;
    justify-items: start;
    padding: 28px;
    border-left: 1px solid var(--soft-border);
}

.detail-impact-metric span,
.detail-impact-metric strong {
    display: inline;
    color: var(--primary);
    font-size: clamp(76px, 13vw, 156px);
    line-height: 0.82;
    font-weight: 800;
    letter-spacing: 0;
}

.detail-impact-metric p {
    max-width: 260px;
    margin-top: 22px;
    color: var(--gray-600);
    font-size: 15px;
    line-height: 1.6;
}

.detail-progress-line {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--soft-border);
}

.detail-progress-step {
    position: relative;
    padding: 24px 24px 0 0;
}

.detail-progress-step::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 0;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 8px color-mix(in srgb, var(--primary) 12%, transparent);
}

.detail-progress-step span {
    color: var(--primary);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.detail-progress-step h3 {
    margin-top: 10px;
    font-size: 22px;
}

.detail-progress-step p {
    margin-top: 10px;
    max-width: 300px;
    color: var(--gray-600);
    font-size: 15px;
    line-height: 1.65;
}

.detail-timeline {
    display: grid;
    gap: 16px;
}

.detail-timeline-item {
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 18px;
    padding: 22px 0;
    border-top: 1px solid var(--soft-border);
}

.detail-timeline-item span {
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
}

.detail-timeline-item h3 {
    font-size: 20px;
}

.detail-timeline-item p {
    margin-top: 8px;
    color: var(--gray-600);
    line-height: 1.7;
}

.detail-footer {
    padding: 48px 22px;
    border-top: 1px solid var(--soft-border);
}

.detail-footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    color: var(--gray-600);
    font-size: 14px;
}

.detail-footer a {
    color: var(--black);
    text-decoration: none;
}

[data-reveal] {
    opacity: 0;
    transform: translateY(18px);
    transition:
        opacity 0.72s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.72s cubic-bezier(0.16, 1, 0.3, 1),
        border-color 0.72s cubic-bezier(0.16, 1, 0.3, 1),
        background-color 0.72s cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: calc(var(--reveal-index, 0) * 86ms);
}

[data-reveal="card"],
[data-reveal="metric"] {
    transform: translateY(28px);
}

[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

.detail-showcase-card {
    transition:
        opacity 0.72s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.72s cubic-bezier(0.16, 1, 0.3, 1),
        border-color 0.28s ease,
        background-color 0.28s ease;
}

.detail-showcase-card:hover {
    border-color: color-mix(in srgb, var(--primary) 42%, var(--soft-border));
    background: color-mix(in srgb, var(--white) 92%, var(--primary) 8%);
    transform: translateY(-4px);
}

html[data-theme="dark"] .detail-page {
    background:
        radial-gradient(circle at top left, rgba(254, 119, 67, 0.18), transparent 34vw),
        linear-gradient(180deg, var(--white) 0%, #10151c 100%);
}

html[data-theme="dark"] .detail-mask-hero {
    --mask-cover: #0f1319;
}

html[data-theme="dark"] .detail-hero::before {
    background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--white) 90%, transparent));
}

@media (max-width: 860px) {
    .detail-grid,
    .detail-split,
    .detail-impact,
    .detail-progress-line {
        grid-template-columns: 1fr;
    }

    .detail-hero {
        padding-bottom: 50px;
    }

    .detail-section,
    .detail-visual-band {
        padding-bottom: 64px;
    }

    .detail-impact-metric {
        min-height: auto;
        padding: 0;
        border-left: none;
    }

    .detail-progress-line {
        gap: 28px;
        border-top: none;
    }

    .detail-progress-step {
        padding-top: 0;
        padding-left: 24px;
        border-left: 1px solid var(--soft-border);
    }

    .detail-progress-step::before {
        top: 0;
        left: -5px;
    }
}

@media (max-width: 640px) {
    .detail-mask-hero {
        height: 940svh;
    }

    .detail-mask-title {
        width: min(360px, calc(100% - 36px));
        font-size: clamp(38px, 12vw, 62px);
    }

    .detail-mask-copy {
        width: min(360px, calc(100% - 36px));
    }

    .detail-mask-lede {
        font-size: 17px;
    }

    .detail-hero {
        min-height: auto;
        padding-top: 108px;
    }

    .detail-actions,
    .detail-footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .detail-stats,
    .detail-timeline-item {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .detail-mask-hero {
        height: 100svh;
    }

    .detail-mask-bg {
        opacity: 1;
        transform: none;
        filter: none;
    }

    .detail-mask-dim {
        opacity: 0;
    }

    .detail-mask-title {
        opacity: 1;
        color: var(--black);
        transform: none;
        filter: none;
    }

    .detail-mask-title::before {
        opacity: 0;
    }

    .detail-mask-kicker,
    .detail-mask-lede,
    .detail-mask-actions {
        opacity: 1;
        transform: none;
    }

    .detail-mask-scroll {
        display: none;
    }

    .detail-page-loading .detail-main,
    .detail-page-loading .detail-footer,
    .detail-page-ready .detail-main,
    .detail-page-ready .detail-footer {
        opacity: 1;
        transition: none;
    }

    .detail-hero-cinematic .detail-hero-inner,
    .detail-depth-visual,
    [data-reveal],
    .detail-showcase-card {
        transform: none;
        transition-duration: 0.01ms;
    }

    [data-reveal] {
        opacity: 1;
    }
}