#work.portfolio {
    --gsap-bg: #02040b;
    --gsap-panel: rgba(7, 11, 23, .78);
    --gsap-panel-strong: rgba(12, 17, 31, .92);
    --gsap-line: rgba(226, 232, 240, .14);
    --gsap-text: #f0f9ff;
    --gsap-muted: #94a3b8;
    --gsap-cyan: #00e5ff;
    --gsap-amber: #f6c453;
    --gsap-rose: #fb7185;
    --gsap-lime: #84cc6a;
    position: relative;
    z-index: 2;
    min-height: 100vh;
    padding: 7rem 0 6rem;
    overflow: hidden;
    isolation: isolate;
    /* Sfondo quasi-trasparente su /3d: la sezione progetti è verticale e l'orbiter
        scorre nel gutter destro, deve intravedersi dietro le card (che mantengono
        il proprio pannello opaco). Tinta densa a sinistra dove stanno le card,
        sfumata a destra dove passa l'oggetto 3D. */
    background:
        linear-gradient(90deg, rgba(1, 2, 8, .82) 0%, rgba(1, 2, 8, .5) 42%, transparent 68%),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, .035) 0 1px, transparent 1px 7rem);
}

#work.portfolio::before,
#work.portfolio::after {
    content: "";
    position: absolute;
    left: clamp(1rem, 6vw, 6rem);
    right: clamp(1rem, 6vw, 6rem);
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 229, 255, .55), rgba(246, 196, 83, .48), transparent);
    pointer-events: none;
}

#work.portfolio::before {
    top: 0;
    box-shadow: 0 0 22px rgba(0, 229, 255, .2);
}

#work.portfolio::after {
    bottom: 0;
    opacity: .55;
}

#work .portfolio-heading {
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: minmax(0, .62fr) minmax(0, 1.38fr);
    gap: clamp(1.25rem, 4vw, 4rem);
    align-items: end;
    padding-inline: clamp(1.25rem, 6vw, 6rem);
    margin-bottom: 2.4rem;
}

#work .portfolio-heading::after {
    justify-self: end;
    max-width: 22rem;
    color: var(--gsap-muted);
    font-size: .86rem;
    line-height: 1.6;
    text-align: right;
}

#work .portfolio-label {
    width: max-content;
    color: var(--gsap-amber);
    opacity: 1;
    letter-spacing: 0;
}

#work .portfolio-title {
    color: var(--gsap-text);
    font-size: 3.8rem;
    line-height: .95;
    letter-spacing: 0;
    text-transform: uppercase;
    text-shadow: 0 0 30px rgba(0, 229, 255, .16);
}

/* La stessa cella contiene tutte le card: GSAP porta quella successiva dal
    basso, mentre la precedente resta visibile come bordo della pila. */
#work .stack-list {
    position: relative;
    display: grid;
    max-width: 660px;            /* colonna a sinistra: lascia il gutter destro all'orbiter */
    margin-inline: 0;
    padding-inline: clamp(1.25rem, 6vw, 6rem);
}

#work .stack-card {
    position: relative;
    top: auto;
    grid-area: 1 / 1;
    align-self: start;
    margin-bottom: 0;
    will-change: transform, opacity;
}

#work .stack-list::before {
    content: "";
    position: absolute;
    inset: -2rem clamp(1.25rem, 6vw, 6rem);
    z-index: -1;
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 8px;
    background:
        linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px),
        rgba(2, 6, 14, .52);
    background-size: 32px 32px;
    box-shadow: 0 32px 90px rgba(0, 0, 0, .38);
}

#work .stack-card-body {
    display: flex;
    flex-direction: column;
    min-height: clamp(390px, 53vh, 470px);
    isolation: isolate;
    border-color: var(--gsap-line);
    background:
        linear-gradient(115deg, color-mix(in srgb, var(--accent) 13%, #0c111f), #0c111f 42%),
        repeating-linear-gradient(90deg, transparent 0 71px, rgba(255, 255, 255, .025) 72px),
        #0c111f;
    box-shadow:
        0 30px 70px rgba(0, 0, 0, .42),
        inset 0 0 0 1px color-mix(in srgb, var(--accent) 8%, transparent);
}

#work .stack-card-body::before {
    height: 3px;
    background: linear-gradient(90deg, var(--accent, var(--gsap-cyan)) 0 34%, transparent 82%);
    box-shadow: 0 0 22px var(--accent, var(--gsap-cyan));
}

/* Disco orbitale puramente grafico: differenzia le card col loro accent
    senza aggiungere immagini o sottrarre spazio ai contenuti. */
#work .stack-card-body::after {
    content: "";
    position: absolute;
    right: clamp(1.5rem, 5vw, 3.5rem);
    bottom: clamp(1.5rem, 4vw, 2.8rem);
    z-index: -1;
    width: clamp(7rem, 18vw, 11rem);
    aspect-ratio: 1;
    border: 1px solid color-mix(in srgb, var(--accent) 42%, transparent);
    border-radius: 50%;
    background:
        radial-gradient(circle, var(--accent) 0 3px, transparent 4px),
        linear-gradient(90deg, transparent 49.5%, color-mix(in srgb, var(--accent) 28%, transparent) 50%, transparent 50.5%),
        linear-gradient(transparent 49.5%, color-mix(in srgb, var(--accent) 28%, transparent) 50%, transparent 50.5%);
    box-shadow: 0 0 45px color-mix(in srgb, var(--accent) 12%, transparent);
    opacity: .7;
}

#work .stack-bignum {
    top: .12em;
    right: .2em;
    color: color-mix(in srgb, var(--accent) 13%, transparent);
    -webkit-text-stroke: 1px color-mix(in srgb, var(--accent) 28%, transparent);
}

#work .stack-category {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    width: max-content;
    color: var(--accent);
}

#work .stack-category::before {
    content: "";
    width: 1.8rem;
    height: 1px;
    background: currentColor;
    box-shadow: 0 0 10px currentColor;
}

#work .stack-name {
    max-width: 12ch;
    margin-top: .35rem;
    font-size: clamp(2rem, 4.5vw, 3.4rem);
    line-height: .95;
    text-transform: uppercase;
}

#work .stack-desc {
    position: relative;
    z-index: 1;
    color: #cbd5e1;
    line-height: 1.75;
    max-width: 54ch;
}

#work .stack-tech span {
    border-color: color-mix(in srgb, var(--accent, var(--gsap-cyan)) 35%, transparent);
    color: #dff8ff;
    background: color-mix(in srgb, var(--accent, var(--gsap-cyan)) 11%, transparent);
}

#work .stack-link {
    position: relative;
    z-index: 1;
    margin-top: auto;
    padding-top: 1.6rem;
    color: var(--accent);
}

#work .stack-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -.4rem;
    width: 2.4rem;
    height: 1px;
    background: currentColor;
    transition: width .25s ease;
}

#work .stack-link:hover::after,
#work .stack-link:focus-visible::after {
    width: 100%;
}


.gsap-word,
.gsap-char {
    display: inline-block;
    will-change: transform, opacity;
}

.gsap-line-mask {
    display: inline-block;
    overflow: hidden;
    vertical-align: bottom;
}

.about .about-eyebrow,
.about .about-title,
.about .about-copy p,
.about .about-point,
.about .about-tags span,
.form-section .form-eyebrow,
.form-section .form-heading,
.form-section .form-sub,
#contact .contact-eyebrow,
#contact .contact-heading,
#contact .contact-sub,
#contact .contact-link,
#contact .contact-meta {
    will-change: transform, opacity;
}

/* ───────────────── Experience extras ───────────────── */

/* Preloader */
#gsapExpPreloader {
    position: fixed;
    inset: 0;
    z-index: 100000;
    animation: gsapExpPreFallback .6s ease 3.6s forwards;
}

@keyframes gsapExpPreFallback {
    to {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }
}

html.gsap-unavailable #gsapExpPreloader {
    display: none;
}

.gsap-exp-pre-panel {
    position: absolute;
    left: 0;
    right: 0;
    height: 50.5%;
    background: #02040b;
    will-change: transform;
}

.gsap-exp-pre-panel--top {
    top: 0;
    border-bottom: 1px solid rgba(0, 229, 255, .14);
}

.gsap-exp-pre-panel--bottom {
    bottom: 0;
}

.gsap-exp-pre-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: grid;
    justify-items: center;
    gap: 1.1rem;
    text-align: center;
    will-change: transform, opacity;
}

.gsap-exp-pre-label {
    font-size: .62rem;
    font-weight: 500;
    letter-spacing: .32em;
    text-transform: uppercase;
    color: #7dd3fc;
    opacity: .75;
}

.gsap-exp-pre-count {
    font-size: clamp(3.4rem, 9vw, 5.6rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -.03em;
    color: #f0f9ff;
    font-variant-numeric: tabular-nums;
    text-shadow: 0 0 32px rgba(0, 229, 255, .25);
}

.gsap-exp-pre-bar {
    display: block;
    width: clamp(140px, 26vw, 220px);
    height: 2px;
    background: rgba(255, 255, 255, .1);
    overflow: hidden;
}

.gsap-exp-pre-bar i {
    display: block;
    height: 100%;
    transform: scaleX(0);
    transform-origin: left center;
    background: linear-gradient(90deg, #00e5ff, #f6c453, #fb7185);
    box-shadow: 0 0 14px rgba(0, 229, 255, .55);
}

/* Grana cinematografica */
.gsap-exp-grain {
    position: fixed;
    inset: -50%;
    z-index: 9998;
    pointer-events: none;
    opacity: .05;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="300" height="300"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.85" numOctaves="2" stitchTiles="stitch"/></filter><rect width="300" height="300" filter="url(%23n)" opacity="0.62"/></svg>');
    animation: gsapExpGrain 9s steps(10) infinite;
}

@keyframes gsapExpGrain {
    0%, 100% { transform: translate(0, 0); }
    10% { transform: translate(-4%, -7%); }
    20% { transform: translate(-12%, 3%); }
    30% { transform: translate(6%, -14%); }
    40% { transform: translate(-4%, 12%); }
    50% { transform: translate(-12%, 6%); }
    60% { transform: translate(12%, 0); }
    70% { transform: translate(0, 10%); }
    80% { transform: translate(3%, 13%); }
    90% { transform: translate(-9%, 5%); }
}

@media (prefers-reduced-motion: reduce) {
    .gsap-exp-grain { animation: none; }
}

/* Barra progresso scroll */
.gsap-exp-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    z-index: 9500;
    background: rgba(255, 255, 255, .05);
    pointer-events: none;
}

.gsap-exp-progress i {
    display: block;
    height: 100%;
    transform: scaleX(0);
    transform-origin: left center;
    background: linear-gradient(90deg, #00e5ff, #f6c453, #fb7185);
    box-shadow: 0 0 14px rgba(0, 229, 255, .45);
}

/* Rail di navigazione laterale */
.gsap-exp-rail {
    position: fixed;
    top: 50%;
    right: 1.15rem;
    transform: translateY(-50%);
    /* Sopra grana (9998) e barra progresso (9500): erano tra i pochi overlay
        fixed più alti del rail e lo attenuavano visivamente in trasparenza. */
    z-index: 9999;
    display: grid;
    gap: 1.05rem;
}

.gsap-exp-rail a {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: .6rem;
    padding: .15rem 0;
    cursor: pointer;
    font-family: inherit;
    /* voci ora ancore server-rendered (partial site-nav) */
    text-decoration: none;
}

.gsap-exp-rail-label {
    font-size: .56rem;
    font-weight: 500;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: #64748b;
    opacity: 0;
    transform: translateX(8px);
    transition: opacity .25s ease, transform .25s ease, color .25s ease;
    pointer-events: none;
    white-space: nowrap;
}

.gsap-exp-rail-dot {
    width: .55rem;
    height: .55rem;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, .32);
    background: transparent;
    transition: background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}

.gsap-exp-rail a:hover .gsap-exp-rail-label,
.gsap-exp-rail a.is-active .gsap-exp-rail-label {
    opacity: 1;
    transform: translateX(0);
}

.gsap-exp-rail a.is-active .gsap-exp-rail-label {
    color: #7dd3fc;
}

.gsap-exp-rail a:hover .gsap-exp-rail-dot {
    border-color: rgba(0, 229, 255, .6);
}

.gsap-exp-rail a.is-active .gsap-exp-rail-dot {
    background: #00e5ff;
    border-color: #00e5ff;
    transform: scale(1.25);
    box-shadow: 0 0 14px rgba(0, 229, 255, .55);
}

/* Tabbar mobile stile webapp: nascosta di default, mostrata solo ≤980px
    dove il rail laterale sparisce (mai scritta finora: la classe esisteva
    nel partial site-nav ma senza CSS in nessuna pagina del tema). */
.gsap-exp-tabbar {
    display: none;
}

@media (max-width: 980px) {
    .gsap-exp-rail { display: none; }
    .gsap-exp-grain { display: none; }
    .gsap-exp-marquee { padding: 3rem 0; }

    .gsap-exp-tabbar {
        display: flex;
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 9999;
        justify-content: space-around;
        align-items: center;
        padding: .5rem clamp(.5rem, 3vw, 1.5rem);
        padding-bottom: calc(.5rem + env(safe-area-inset-bottom, 0px));
        background: rgba(2, 4, 11, .86);
        backdrop-filter: blur(14px);
        border-top: 1px solid rgba(226, 232, 240, .14);
    }

    .gsap-exp-tab {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: .2rem;
        padding: .3rem .6rem;
        color: #64748b;
        text-decoration: none;
        font-size: .62rem;
        font-weight: 500;
        letter-spacing: .04em;
        transition: color .2s ease;
    }

    .gsap-exp-tab svg {
        width: 1.3rem;
        height: 1.3rem;
    }

    .gsap-exp-tab.is-active {
        color: #00e5ff;
    }
}

/* Cursore custom */
html.gsap-exp-cursor body,
html.gsap-exp-cursor a,
html.gsap-exp-cursor button {
    cursor: none;
}

html.gsap-exp-cursor input,
html.gsap-exp-cursor textarea,
html.gsap-exp-cursor select,
html.gsap-exp-cursor label {
    cursor: auto;
}

.gsap-exp-cursor-dot,
.gsap-exp-cursor-ring {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    will-change: transform;
}

.gsap-exp-cursor-dot {
    z-index: 99001;
    width: 7px;
    height: 7px;
    margin: -3.5px 0 0 -3.5px;
}

.gsap-exp-cursor-dot i {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: #00e5ff;
    box-shadow: 0 0 12px rgba(0, 229, 255, .85);
    transform: scale(var(--cur-dot-scale, 1));
    transition: transform .25s ease;
}

.gsap-exp-cursor-ring {
    z-index: 99000;
    width: 38px;
    height: 38px;
    margin: -19px 0 0 -19px;
}

.gsap-exp-cursor-ring i {
    display: grid;
    place-items: center;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 1px solid rgba(0, 229, 255, .55);
    background: rgba(0, 229, 255, 0);
    transform: scale(var(--cur-scale, 1));
    transition: transform .3s cubic-bezier(.3, 1.4, .5, 1), background .25s ease, border-color .25s ease;
}

.gsap-exp-cursor-label {
    font-size: .34rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: #010208;
    opacity: 0;
    transition: opacity .2s ease;
}

.gsap-exp-cursor-ring.is-link { --cur-scale: 1.65; }

.gsap-exp-cursor-ring.is-label {
    --cur-scale: 2.35;
}

.gsap-exp-cursor-ring.is-label i {
    background: rgba(0, 229, 255, .95);
    border-color: rgba(0, 229, 255, .95);
}

.gsap-exp-cursor-ring.is-label .gsap-exp-cursor-label {
    opacity: 1;
}

.gsap-exp-cursor-dot.is-link { --cur-dot-scale: .45; }
.gsap-exp-cursor-dot.is-gone { --cur-dot-scale: 0; }
.gsap-exp-cursor-ring.is-gone { --cur-scale: 0; }
.gsap-exp-cursor-ring.is-down { --cur-scale: .8; }
.gsap-exp-cursor-dot.is-down { --cur-dot-scale: 1.6; }

/* Marquee */
.gsap-exp-marquee {
    position: relative;
    z-index: 2;
    padding: 4.2rem 0;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(1, 2, 8, .95), rgba(3, 7, 18, .88));
    border-top: 1px solid rgba(0, 229, 255, .1);
    border-bottom: 1px solid rgba(0, 229, 255, .1);
}

.gsap-exp-marquee-row {
    display: flex;
    width: max-content;
    will-change: transform;
}

.gsap-exp-marquee-row + .gsap-exp-marquee-row {
    margin-top: 1.4rem;
}

.gsap-exp-marquee-chunk {
    display: flex;
    align-items: center;
    gap: clamp(1.4rem, 3vw, 2.4rem);
    padding-right: clamp(1.4rem, 3vw, 2.4rem);
    font-size: clamp(2.1rem, 5.5vw, 4.2rem);
    font-weight: 700;
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: -.02em;
    color: #f0f9ff;
    white-space: nowrap;
}

.gsap-exp-marquee-chunk .is-outline {
    color: transparent;
    -webkit-text-stroke: 1px rgba(0, 229, 255, .65);
}

.gsap-exp-marquee-row--alt .gsap-exp-marquee-chunk .is-outline {
    -webkit-text-stroke: 1px rgba(251, 113, 133, .6);
}

.gsap-exp-marquee-chunk i {
    flex: none;
    width: .42em;
    height: .42em;
    border: 1px solid rgba(246, 196, 83, .6);
    transform: rotate(45deg);
}

@media (max-width: 980px) {
    #work.portfolio {
        padding-top: 5.5rem;
    }

    #work .portfolio-heading {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    #work .portfolio-heading::after {
        justify-self: start;
        text-align: left;
    }

    #work .portfolio-title {
        font-size: 3rem;
    }

    /* Colonna a piena larghezza su mobile: niente gutter destro, l'orbiter
        resta comunque dietro (canvas z-index 0) e non copre mai le card. */
    #work .stack-list {
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    #work.portfolio {
        padding: 4.75rem 0 5rem;
    }

    #work .portfolio-title {
        font-size: 2.35rem;
    }

    #work .stack-list::before {
        inset: -1.1rem 1rem;
    }

    #work .stack-list {
        display: block;
    }

    #work .stack-card {
        margin-bottom: 1.6rem;
    }

    #work .stack-card-body {
        min-height: 420px;
    }
}

@media (prefers-reduced-motion: reduce), (max-height: 600px) {
    #work .stack-list {
        display: block;
    }

    #work .stack-card {
        margin-bottom: 1.6rem;
    }
}