.lab-intro {
    font-family: 'Arimo', sans-serif;
    font-size: 0.875rem;
    color: var(--ink-doux);
    text-align: center;
    line-height: 1.6;
    text-wrap: balance;
    padding-bottom: 1rem;
}

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

.intro-lead {
    display: block;
    color: var(--ink-dense);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.45rem;
}

.projects ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    width: 100%;
}

.projects ul li + li {
    border-top: 1px solid var(--bord-liste);
}

.projects ul .project-row {
    display: block;
    padding: 1rem 0;
    color: #fff;
    opacity: 0.55;
    transition: opacity 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
    .projects ul .project-row { transition: none; }
}

@media (hover: hover) {
    .projects ul .project-row:hover,
    .projects ul .project-row.hover-open {
        opacity: 1;
    }
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'Arimo', sans-serif;
    font-size: 1rem;
    letter-spacing: 0.03em;
    text-wrap: balance;
}

.project-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.project-year {
    font-size: 0.85rem;
    opacity: 0.5;
}

.project-name-link {
    color: inherit;
    text-decoration: none;
    font-weight: 600;
}

@media (hover: none) {
    .project-name-link {
        pointer-events: none;
    }
}

.project-link {
    display: flex;
    align-items: center;
    color: inherit;
    text-decoration: none;
    opacity: 0;
    transition: opacity 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
    .project-link { transition: none; }
}

.link-icon {
    width: 12px;
    height: 12px;
}

.link-placeholder {
    display: inline-block;
    width: 12px;
}

@media (hover: hover) {
    .project-row:hover .project-link {
        opacity: 0.5;
    }

    .project-link:hover {
        opacity: 1;
    }
}

@media (hover: none) {
    .project-link {
        opacity: 0.45;
    }

    .projects ul .project-row.open {
        opacity: 1;
    }
}

.project-body {
    display: grid;
    grid-template-rows: 0fr;
}

.project-body-inner {
    overflow: hidden;
    padding-top: 0;
}

@media (prefers-reduced-motion: no-preference) {
    .project-body        { transition: grid-template-rows 0.35s ease; }
    .project-body-inner  { transition: padding-top 0.35s ease; }
}

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
    .project-body       { transition: grid-template-rows 0.4s ease; }
    .project-body-inner { transition: padding-top 0.4s ease; }
    .project-header,
    .project-content    { transition: transform 0.35s ease; }

    .projects ul .project-row:hover .project-header,
    .projects ul .project-row:hover .project-content,
    .projects ul .project-row.hover-open .project-header,
    .projects ul .project-row.hover-open .project-content {
        transform: translateX(4px);
    }

    .projects ul .project-row.hover-open .project-body {
        grid-template-rows: 1fr;
    }

    .projects ul .project-row.hover-open .project-body-inner {
        padding-top: 0.35rem;
    }
}

@media (hover: hover) and (prefers-reduced-motion: reduce) {
    .projects ul .project-row.hover-open .project-body       { grid-template-rows: 1fr; }
    .projects ul .project-row.hover-open .project-body-inner { padding-top: 0.35rem; }
}

.project-row.open .project-body {
    grid-template-rows: 1fr;
}

.project-row.open .project-body-inner {
    padding-top: 0.35rem;
}

.project-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.project-thumb-link {
    display: block;
    position: relative;
}

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
    .project-thumb-link::after {
        content: '';
        position: absolute;
        inset: 0;
        border-radius: 6px;
        background: rgba(0, 0, 0, 0);
        transition: background 0.2s ease;
        pointer-events: none;
    }
    .project-thumb-link:hover::after {
        background: rgba(0, 0, 0, 0.3);
    }
}

.project-thumb {
    width: 100%;
    aspect-ratio: 16/7;
    border-radius: 6px;
    border: 1px solid var(--bord-verre);
    background: rgba(255, 255, 255, 0.04);
    display: block;
    object-fit: cover;
}

.project-desc {
    font-family: 'Arimo', sans-serif;
    font-size: 0.875rem;
    line-height: 1.5;
    opacity: 0.45;
    text-wrap: balance;
}

.project-stack {
    font-family: 'Arimo', sans-serif;
    font-size: 0.8rem;
    line-height: 1;
    opacity: 0.3;
    margin-top: 0.55rem;
    letter-spacing: 0.03em;
}

.stack-icon {
    display: inline;
    vertical-align: middle;
    width: 10px;
    height: 10px;
    fill: currentColor;
    stroke: none;
    margin-right: 0.2em;
    position: relative;
    top: -0.05em;
}


/* ── Section lab embarquée (home page) ─────────────────── */

#lab-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

@media (prefers-reduced-motion: no-preference) {
    #lab-btn[aria-expanded="true"] {
        animation: lab-breathe 5s infinite;
    }
}

@media (prefers-reduced-motion: reduce) {
    #lab-btn[aria-expanded="true"] {
        opacity: 1;
        filter: drop-shadow(0 0 8px rgba(255,255,255,0.25));
    }
}

/* Courbe gaussienne asymétrique — calquée sur la LED MacBook :
   inhale 33 % du cycle (~1.65s), exhale 59 % (~2.95s), pause 8 % (~0.4s).
   cubic-bezier(0.37,0,0.63,1) approxime la cloche gaussienne (plus creusée qu'une sinusoïde). */
@keyframes lab-breathe {
    0% {
        opacity: 0.28;
        filter: drop-shadow(0 0 2px rgba(255,255,255,0.05));
        animation-timing-function: cubic-bezier(0.37, 0, 0.63, 1);
    }
    33% {
        opacity: 0.95;
        filter: drop-shadow(0 0 12px rgba(255,255,255,0.42));
        animation-timing-function: cubic-bezier(0.37, 0, 0.63, 1);
    }
    92% {
        opacity: 0.28;
        filter: drop-shadow(0 0 2px rgba(255,255,255,0.05));
        animation-timing-function: linear;
    }
    100% {
        opacity: 0.28;
        filter: drop-shadow(0 0 2px rgba(255,255,255,0.05));
    }
}

.lab-section {
    display: grid;
    grid-template-rows: 0fr;
    margin-top: -2.5rem;
    width: min(520px, 90vw);
}

@media (prefers-reduced-motion: no-preference) {
    .lab-section {
        transition: grid-template-rows 0.45s ease, margin-top 0.45s ease;
    }
}

.lab-section.open {
    grid-template-rows: 1fr;
    margin-top: 0;
}

.lab-inner {
    overflow: hidden;
}

.lab-inner .projects {
    padding: 0.75rem 1.25rem;
    background: var(--surface-verre);
    border: 1px solid var(--bord-verre);
    border-radius: 10px;
}