/* ============================================================
   EFESTO - Homepage Specific Styles
   ============================================================ */

/* Hero — Immagine dentro container con testo sovrapposto */
.hero {
    padding-top: 0;
    padding-bottom: 0;
    background: var(--off-white);
}

.hero-wrap {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-top: 0;
}

/* ————————————————————————————————————————
   NAV HOME — Transparent overlay on hero
   ———————————————————————————————————————— */
.nav.nav-home {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* Homepage: nasconde sfondo bianco in cima */
.nav.nav-home::before {
    opacity: 0;
    transition: opacity 3s var(--ease-out);
}

/* Logo bianco su hero verde */
.nav.nav-home .nav-logo img {
    filter: brightness(0) invert(1);
    transition: filter .4s var(--ease-out);
}

/* Menu mobile aperto: la nav resta sopra il pannello bianco del menu,
   quindi logo e icona hamburger tornano scuri per essere visibili. */
.nav.nav-home:has(.hamburger.active) .nav-logo img {
    filter: none;
}

.nav.nav-home:has(.hamburger.active) .hamburger span {
    background: var(--grey-700);
}

/* Link bianchi pieni (richiesta 08/10/2026: i testi della barra devono risaltare) */
.nav.nav-home .nav-links a {
    color: var(--white);
}

.nav.nav-home .nav-links a:hover,
.nav.nav-home .nav-links a.active {
    color: var(--white);
}

.nav.nav-home .nav-links a::after {
    background: var(--white);
}

/* CTA bianco pieno con testo verde scuro (08/10/2026) */
.nav.nav-home .nav-cta {
    background: var(--white);
    color: var(--green-dark);
    border: 1px solid var(--white);
}

.nav.nav-home .nav-cta:hover {
    background: var(--off-white);
    color: var(--green);
    border-color: var(--off-white);
    box-shadow: 0 4px 12px rgba(0, 0, 0, .15);
}

/* Hamburger bianco */
.nav.nav-home .hamburger span {
    background: var(--white);
}

/* ——— Scrolled: sfondo appare gradualmente ——— */
.nav.nav-home.scrolled {
    border-radius: 0;
}

.nav.nav-home.scrolled::before {
    opacity: 1;
}

.nav.nav-home.scrolled .nav-logo img {
    filter: none;
}

.nav.nav-home.scrolled .nav-links a {
    color: var(--grey-500);
}

.nav.nav-home.scrolled .nav-links a:hover,
.nav.nav-home.scrolled .nav-links a.active {
    color: var(--grey-800);
}

.nav.nav-home.scrolled .nav-links a::after {
    background: var(--green);
}

.nav.nav-home.scrolled .nav-cta {
    background: var(--green);
    color: var(--white);
    border: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.nav.nav-home.scrolled .nav-cta:hover {
    background: var(--green-dark);
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(26, 92, 46, .3);
}

.nav.nav-home.scrolled .hamburger span {
    background: var(--grey-800);
}

.hero-wrap > picture { display: block; }
.hero-wrap > img,
.hero-wrap > picture > img {
    width: 100%;
    height: auto;
    display: block;
    min-height: 500px;
    object-fit: cover;
}

.hero-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-xl);
    max-width: 560px;
}

.hero .section-label {
    color: var(--white);
}

.hero .section-label::before {
    background: var(--white);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4vw, 3.6rem);
    font-weight: 400;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: var(--space-sm);
}

.hero-title em {
    font-style: italic;
    color: var(--green-dark);
}

.hero-content > p {
    font-size: clamp(.85rem, 1vw, 1rem);
    color: rgba(255, 255, 255, .95);
    line-height: 1.8;
    max-width: 440px;
}

.hero-btns {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-top: var(--space-md);
}

/* Pulsante principale bianco con testo verde scuro (08/10/2026): si stacca dal verde
   senza colori estranei alla palette. */
.hero-btns .btn-primary {
    background: var(--white);
    color: var(--green-dark);
    box-shadow: 0 6px 18px rgba(0, 0, 0, .18);
}

.hero-btns .btn-primary:hover {
    background: var(--off-white);
    color: var(--green-dark);
    box-shadow: 0 8px 22px rgba(0, 0, 0, .24);
}

.hero-btns .btn-outline {
    color: var(--white);
    border-color: rgba(255, 255, 255, .9);
}

.hero-btns .btn-outline:hover {
    border-color: var(--white);
    color: var(--white);
}

.hero-badge {
    margin-top: var(--space-md);
    display: inline-flex;
    align-items: center;
    gap: .6rem;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--white);
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, .25);
}

.hero-badge span {
    font-size: .6rem;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--white);
}

/* Value Section (Chi Siamo + Vantaggi unificati) */
.value {
    padding: var(--space-2xl) 0;
}

.adv-section-header {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-lg);
}

.adv-section-header h2 {
    margin-top: .5rem;
}

.sys-cta {
    margin-top: var(--space-lg);
    text-align: center;
}

.value-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

/* Logistics Map */
.logistics-map {
    margin-top: var(--space-lg);
}

.logistics-header {
    margin-bottom: var(--space-md);
}

.logistics-badge {
    display: inline-block;
    font-size: .65rem;
    font-weight: 600;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--green);
    padding: .5em 1em;
    border: 1px solid var(--green);
    border-radius: 2px;
}

.logistics-sub {
    font-size: .85rem;
    color: var(--grey-500);
    margin-top: .75rem;
    line-height: 1.6;
}

.map-container {
    position: relative;
    max-width: 380px;
}

.italy-map {
    width: 100%;
    height: auto;
}

/* Italia outline */
.italy-outline,
.sicily-outline {
    fill: rgba(212, 208, 202, 0.15);
    stroke: #D4D0CA;
    stroke-width: 1.5;
}

.sardinia-outline {
    fill: rgba(26, 92, 46, 0.08);
    stroke: #1A5C2E;
    stroke-width: 2;
}

/* Punto origine Cagliari */
.port-origin {
    fill: #1A5C2E;
}

.port-origin-pulse {
    fill: none;
    stroke: #1A5C2E;
    stroke-width: 2;
    animation: portPulse 2s ease-out infinite;
}

@keyframes portPulse {
    0% { r: 6; opacity: .8; }
    100% { r: 18; opacity: 0; }
}

/* Rotte animate */
.route-line {
    fill: none;
    stroke: #1A5C2E;
    stroke-width: 1.2;
    stroke-dasharray: 6 4;
    opacity: .5;
    animation: routeFlow 2s linear infinite;
}

@keyframes routeFlow {
    to { stroke-dashoffset: -20; }
}

/* Porti di destinazione */
.port-dot {
    fill: var(--white);
    stroke: #1A5C2E;
    stroke-width: 1.5;
}

/* Label porti */
.port-label {
    font-family: var(--font-body);
    font-size: 9px;
    font-weight: 500;
    fill: var(--grey-500);
    letter-spacing: .03em;
}

.port-label-origin {
    font-size: 10px;
    font-weight: 700;
    fill: #1A5C2E;
    letter-spacing: .08em;
    text-transform: uppercase;
}

/* Footer logistica */
.logistics-footer {
    display: flex;
    gap: var(--space-lg);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--grey-100);
}

.logistics-stat {
    display: flex;
    flex-direction: column;
    gap: .2rem;
}

.logistics-num {
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--green);
    line-height: 1;
}

.logistics-lbl {
    font-size: .7rem;
    color: var(--grey-400);
    text-transform: uppercase;
    letter-spacing: .05em;
}

/* ————————————————————————————————————————
   VANTAGGI — Diagramma tecnico
   ———————————————————————————————————————— */

.adv-diagram {
    position: relative;
    margin-top: var(--space-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* Wrapper immagine — centrato con sfumatura radiale */
.adv-diagram-img-wrap {
    position: relative;
    width: 55%;
    max-width: 520px;
    margin: 0 auto;
    z-index: 1;
    /* Sfumatura: bordi sfumati verso bianco */
    -webkit-mask-image: radial-gradient(ellipse 80% 75% at center, #000 40%, transparent 78%);
    mask-image: radial-gradient(ellipse 80% 75% at center, #000 40%, transparent 78%);
}

.adv-diagram-img {
    display: block;
    width: 100%;
    height: auto;
}

/* Wrapper callout — trasparente al layout su desktop (display: contents),
   i 6 callout figli si comportano come se fossero diretti figli di .adv-diagram
   e mantengono il loro positioning assoluto. Su mobile diventa carosello. */
.adv-callouts {
    display: contents;
}

/* Callout — posizionamento assoluto sopra l'immagine */
.adv-callout {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0;
    z-index: 5;
    /* Animazione */
    opacity: 0;
    transition: opacity .7s cubic-bezier(.16, 1, .3, 1);
}

.adv-diagram.visible .adv-callout {
    opacity: 1;
}

/* Stagger: ogni callout appare con ritardo */
.adv-diagram.visible .adv-callout--1 { transition-delay: .3s; }
.adv-diagram.visible .adv-callout--2 { transition-delay: .6s; }
.adv-diagram.visible .adv-callout--3 { transition-delay: .9s; }
.adv-diagram.visible .adv-callout--4 { transition-delay: .5s; }
.adv-diagram.visible .adv-callout--5 { transition-delay: .8s; }
.adv-diagram.visible .adv-callout--6 { transition-delay: 1.1s; }

/* Testo */
.adv-callout-text {
    max-width: 190px;
    background: rgba(255, 255, 255, .85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: .6rem .8rem;
    border-radius: var(--radius-sm);
}

/* Icona */
.adv-callout-icon {
    width: 20px;
    height: 20px;
    margin-bottom: .35rem;
    opacity: .6;
}

.adv-callout--left .adv-callout-icon {
    margin-left: auto;
}

.adv-callout-text h3 {
    font-family: var(--font-display);
    font-size: clamp(.8rem, 1vw, .95rem);
    font-weight: 400;
    color: var(--grey-800);
    line-height: 1.25;
    margin-bottom: .2rem;
}

.adv-callout-text p {
    font-size: .7rem;
    color: var(--grey-500);
    line-height: 1.55;
}

/* Dot — cerchio indicatore */
.adv-callout-dot {
    flex-shrink: 0;
}

/* Linea connettore */
.adv-callout-line {
    width: clamp(30px, 6vw, 80px);
    height: 1px;
    background: var(--green);
    opacity: .3;
    flex-shrink: 0;
}

/* === Lato sinistro: testo — linea — dot — (punta verso il monoblocco) */
.adv-callout--left {
    flex-direction: row;
    right: 50%;
    margin-right: 17%;
}

.adv-callout--left .adv-callout-text {
    text-align: right;
    margin-right: 10px;
}

/* === Lato destro: dot — linea — testo (punta verso il monoblocco) */
.adv-callout--right {
    flex-direction: row;
    left: 50%;
    margin-left: 17%;
}

.adv-callout--right .adv-callout-text {
    text-align: left;
    margin-left: 10px;
}

/* Posizioni verticali — distribuite lungo l'altezza del diagramma */
.adv-callout--1 { top: 10%; }
.adv-callout--2 { top: 40%; }
.adv-callout--3 { top: 70%; }
.adv-callout--4 { top: 16%; }
.adv-callout--5 { top: 50%; }
.adv-callout--6 { top: 78%; }

/* Systems Section */
.sys {
    padding: var(--space-lg) 0 var(--space-2xl);
    overflow: hidden;
}


.sys-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: var(--space-lg);
}

.sys-intro {
    font-size: .95rem;
    color: var(--grey-500);
    max-width: 600px;
    margin-top: var(--space-sm);
    line-height: 1.8;
}

.sys-grid {
    display: flex;
    gap: var(--space-md);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-md);
    scrollbar-width: thin;
    scrollbar-color: var(--green-soft) transparent;
}

.sys-grid::-webkit-scrollbar {
    height: 6px;
}

.sys-grid::-webkit-scrollbar-track {
    background: var(--grey-100);
    border-radius: 3px;
}

.sys-grid::-webkit-scrollbar-thumb {
    background: var(--green-soft);
    border-radius: 3px;
}

.sys-grid::-webkit-scrollbar-thumb:hover {
    background: var(--green);
}

.sys-grid > .sys-card {
    flex: 0 0 320px;
    scroll-snap-align: start;
}

/* Scroll wrapper con freccia */
.sys-scroll-wrap {
    position: relative;
}

.sys-scroll-btn {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(to right, transparent, var(--white) 40%);
    border: none;
    cursor: pointer;
    z-index: 2;
    padding-right: .5rem;
    transition: opacity var(--fast);
}

.sys-scroll-btn svg {
    width: 28px;
    height: 28px;
    color: var(--green);
    background: var(--white);
    border-radius: 50%;
    padding: 4px;
    box-shadow: var(--shadow-md);
    transition: transform var(--fast), box-shadow var(--fast);
}

.sys-scroll-btn:hover svg {
    transform: translateX(3px);
    box-shadow: var(--shadow-lg);
}

.sys-scroll-btn.hidden {
    opacity: 0;
    pointer-events: none;
}

/* VMC Section */
.vmc {
    padding: var(--space-2xl) 0;
    background: var(--green-pale);
}

.vmc-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.vmc-img {
    display: block;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--white);
    transition: transform var(--fast), box-shadow var(--fast);
}

.vmc-img:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl, 0 20px 40px rgba(0,0,0,.12));
}

.vmc-img img {
    width: 100%;
    transition: transform var(--fast);
}

.vmc-img:hover img {
    transform: scale(1.02);
}

.vmc-content h2 {
    margin-bottom: var(--space-md);
}

.vmc-content h2 em {
    color: var(--green-dark);
}

.vmc-content > p {
    font-size: .95rem;
    color: var(--grey-600);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.vmc-feats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.vmc-feat {
    padding-left: var(--space-sm);
    border-left: 2px solid var(--green);
}

.vmc-feat h4 {
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--grey-800);
    margin-bottom: .25rem;
}

.vmc-feat p {
    font-size: .82rem;
    color: var(--grey-500);
    line-height: 1.6;
}

/* Projects — Schede sfalsate stile architettura */
.proj {
    padding: var(--space-2xl) 0;
}

.proj .proj-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: var(--space-xl);
}

/* Blocco progetto */
.ref-block {
    display: grid;
    grid-template-columns: auto .38fr 1fr;
    gap: 0;
    text-decoration: none;
    color: inherit;
    margin-bottom: var(--space-xl);
    position: relative;
}

.ref-block:last-of-type {
    margin-bottom: 0;
}

.ref-block-reverse {
    grid-template-columns: 1fr .38fr auto;
}

.ref-block-reverse .ref-label {
    order: 3;
    border-left: 1px solid var(--grey-200);
    border-right: none;
}

.ref-block-reverse .ref-info {
    order: 2;
}

.ref-block-reverse .ref-img {
    order: 1;
}

/* Etichetta verticale ruotata */
.ref-label {
    writing-mode: vertical-lr;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) .8rem;
    border-right: 1px solid var(--grey-200);
    position: relative;
}

.ref-num {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--grey-300);
    letter-spacing: .1em;
    transform: rotate(180deg);
}

/* Linea decorativa */
.ref-label::after {
    content: '';
    position: absolute;
    width: 1px;
    height: 40px;
    background: var(--green);
}

.ref-block:not(.ref-block-reverse) .ref-label::after {
    right: -1px;
    top: var(--space-lg);
}

.ref-block-reverse .ref-label::after {
    left: -1px;
    top: var(--space-lg);
}

/* Info panel */
.ref-info {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.ref-tag {
    font-size: .6rem;
    font-weight: 700;
    letter-spacing: .25em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: var(--space-sm);
}

.ref-title {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 2.5vw, 2.4rem);
    color: var(--grey-800);
    line-height: 1.1;
    margin-bottom: .5rem;
}

.ref-loc {
    font-size: .85rem;
    color: var(--grey-400);
    margin-bottom: var(--space-md);
}

.ref-stats {
    display: flex;
    gap: var(--space-md);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--grey-100);
    margin-bottom: var(--space-md);
}

.ref-stat {
    display: flex;
    flex-direction: column;
}

.ref-stat strong {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--green);
    line-height: 1.2;
}

.ref-stat span {
    font-size: .6rem;
    color: var(--grey-400);
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-top: .15rem;
}

.ref-link {
    font-size: .7rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--green);
    display: inline-flex;
    align-items: center;
    gap: .4em;
    transition: gap var(--fast);
}

.ref-block:hover .ref-link {
    gap: .8em;
}

/* Immagine */
.ref-img {
    overflow: hidden;
    border-radius: var(--radius-sm);
}

.ref-img img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform .8s var(--ease-out);
}

.ref-block:hover .ref-img img {
    transform: scale(1.03);
}

/* ————————————————————————————————————————
   SERVIZI SHOWCASE — Griglia immersiva
   ———————————————————————————————————————— */
.svc-showcase {
    padding: var(--space-2xl) 0;
    background: var(--off-white);
}

/* Griglia asimmetrica: primo item grande, gli altri due affiancati */
.svc-showcase-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.svc-showcase-item--lg {
    grid-column: 1 / -1;
}

/* Item — immagine full con overlay */
.svc-showcase-item {
    position: relative;
    display: block;
    overflow: hidden;
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--white);
}

.svc-showcase-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 1.2s cubic-bezier(.16, 1, .3, 1);
}

.svc-showcase-item--lg img {
    aspect-ratio: 21/9;
}

.svc-showcase-item:not(.svc-showcase-item--lg) img {
    aspect-ratio: 16/10;
}

.svc-showcase-item:hover img {
    transform: scale(1.05);
}

/* Overlay gradient + testo */
.svc-showcase-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: clamp(1.2rem, 3vw, 2.5rem);
    background: linear-gradient(to top, rgba(10, 10, 10, .7) 0%, rgba(10, 10, 10, .15) 50%, transparent 100%);
    transition: background .5s cubic-bezier(.16, 1, .3, 1);
}

.svc-showcase-item:hover .svc-showcase-overlay {
    background: linear-gradient(to top, rgba(10, 10, 10, .8) 0%, rgba(10, 10, 10, .25) 55%, transparent 100%);
}

/* Tag numero */
.svc-showcase-tag {
    font-family: var(--font-display);
    font-size: .8rem;
    color: rgba(255, 255, 255, .4);
    margin-bottom: .5rem;
    letter-spacing: .1em;
}

/* Titolo */
.svc-showcase-overlay h3 {
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 2.2vw, 2rem);
    font-weight: 400;
    line-height: 1.15;
    margin-bottom: .4rem;
}

.svc-showcase-item--lg .svc-showcase-overlay h3 {
    font-size: clamp(1.6rem, 3vw, 2.8rem);
}

/* Descrizione */
.svc-showcase-overlay p {
    font-size: clamp(.75rem, .9vw, .88rem);
    color: rgba(255, 255, 255, .65);
    line-height: 1.6;
    max-width: 420px;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity .5s cubic-bezier(.16, 1, .3, 1),
                transform .5s cubic-bezier(.16, 1, .3, 1);
}

.svc-showcase-item:hover .svc-showcase-overlay p {
    opacity: 1;
    transform: translateY(0);
}

/* Link arrow */
.svc-showcase-link {
    display: inline-flex;
    align-items: center;
    gap: .5em;
    font-size: .7rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--white);
    margin-top: .8rem;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity .5s cubic-bezier(.16, 1, .3, 1) .1s,
                transform .5s cubic-bezier(.16, 1, .3, 1) .1s;
}

.svc-showcase-item:hover .svc-showcase-link {
    opacity: 1;
    transform: translateY(0);
}

.svc-showcase-link span {
    transition: transform .3s;
}

.svc-showcase-item:hover .svc-showcase-link span {
    transform: translateX(4px);
}

/* Responsive overrides for home */
@media (max-width: 1024px) {
    .hero {
        padding-top: 0;
    }

    .vmc-grid {
        grid-template-columns: 1fr;
    }

    .sys-grid > .sys-card {
        flex: 0 0 280px;
    }

    .svc-showcase-grid {
        grid-template-columns: 1fr 1fr;
    }

}

@media (max-width: 768px) {
    .svc-showcase-grid {
        grid-template-columns: 1fr;
    }

    .svc-showcase-overlay p {
        opacity: 1;
        transform: none;
    }

    .svc-showcase-link {
        opacity: 1;
        transform: none;
    }

    /* Vantaggi diagramma su mobile: foto full-width + spiegazioni in carosello orizzontale */
    .adv-diagram-img-wrap {
        width: 100%;
        max-width: 100%;
        -webkit-mask-image: none;
        mask-image: none;
        border-radius: var(--radius-md);
        overflow: hidden;
    }

    .adv-diagram-img {
        width: 100%;
    }

    /* Il wrapper diventa scroller orizzontale con scroll-snap */
    .adv-callouts {
        display: flex;
        flex-direction: row;
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        scroll-snap-type: x mandatory;
        gap: 1rem;
        padding: 1.25rem 1rem 1.5rem;
        margin: 1rem -1rem 0;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    .adv-callouts::-webkit-scrollbar {
        display: none;
    }

    /* Ogni callout diventa una "slide" del carosello */
    .adv-callout {
        position: relative;
        top: auto !important;
        left: auto !important;
        right: auto !important;
        margin: 0 !important;
        flex: 0 0 82%;
        flex-direction: column !important;
        gap: 0;
        padding: 0;
        border: none;
        scroll-snap-align: center;
    }

    .adv-callout-line,
    .adv-callout-dot {
        display: none;
    }

    .adv-callout-text {
        max-width: none;
        text-align: left !important;
        margin: 0 !important;
        background: var(--green-pale);
        padding: 1.25rem 1.25rem 1.5rem;
        border-radius: var(--radius-md);
        height: 100%;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }

    .adv-callout-icon {
        width: 28px;
        height: 28px;
        margin-bottom: .6rem;
        margin-left: 0 !important;
        opacity: .85;
    }

    .adv-callout-text h3 {
        font-size: 1.05rem;
        margin-bottom: .35rem;
    }

    .adv-callout-text p {
        font-size: .85rem;
    }

    /* Su mobile appiattisco lo stagger: tutti i callout fanno fade-in insieme,
       così l'utente che fa swipe non incontra mai una slide a opacity 0 */
    .adv-diagram.visible .adv-callout--1,
    .adv-diagram.visible .adv-callout--2,
    .adv-diagram.visible .adv-callout--3,
    .adv-diagram.visible .adv-callout--4,
    .adv-diagram.visible .adv-callout--5,
    .adv-diagram.visible .adv-callout--6 {
        transition-delay: .15s;
    }

    .sys-grid > .sys-card {
        flex: 0 0 260px;
    }

    .vmc-feats {
        grid-template-columns: 1fr;
    }

    .ref-block,
    .ref-block-reverse {
        grid-template-columns: 1fr;
    }

    .ref-label {
        writing-mode: horizontal-tb;
        border-right: none;
        border-bottom: 1px solid var(--grey-200);
        padding: .6rem var(--space-md);
        justify-content: flex-start;
    }

    .ref-block-reverse .ref-label {
        border-left: none;
        border-bottom: 1px solid var(--grey-200);
        order: 1;
    }

    .ref-block-reverse .ref-img {
        order: 2;
    }

    .ref-block-reverse .ref-info {
        order: 3;
    }

    .ref-num {
        transform: none;
    }

    .ref-label::after {
        display: none;
    }

    .ref-info {
        padding: var(--space-md);
    }
}

/* ════════════════════════════════════════════════════════════
   HERO — solo MOBILE: immagine verticale + testi nelle fasce verdi
   (desktop invariato). Immagine swap via <picture> nell'HTML.
   ════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    /* mostra il ritratto per intero, senza ritaglio */
    .hero-wrap > img,
    .hero-wrap > picture > img {
        min-height: auto;
    }
    /* via "Monoblocchi termoisolanti": non si sovrappone alla scritta EFESTO del monoblocco */
    .hero .section-label {
        display: none;
    }
    /* titolo + testo in alto (verde superiore), bottoni + badge in basso (verde inferiore) */
    .hero-content {
        justify-content: flex-start;
        max-width: 100%;
        /* più aria in alto (stacca il titolo dall'header), bottoni spinti più in basso */
        padding: 5.5rem var(--space-md) 1rem;
    }
    /* su telefono niente badge certificazione: i bottoni scendono sotto il monoblocco (08/10/2026) */
    .hero-badge {
        display: none;
    }
    /* — Sezione "I nostri sistemi": testo a tutta larghezza, bottone sotto il testo — */
    .sys-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .sys-header > div { width: 100%; }
    .sys-intro { max-width: 100%; }
    .sys-header .btn {
        align-self: flex-start;
        margin-top: var(--space-md);
    }
    .hero-title {
        font-size: clamp(1.85rem, 8vw, 2.4rem);
        margin-bottom: var(--space-sm);
    }
    /* su mobile il paragrafo descrittivo è nascosto: lascia libero il monoblocco al centro */
    .hero-content > p {
        display: none;
    }
    .hero-btns {
        margin-top: auto;
    }
}

@media (max-width: 480px) {
    .ref-info { min-width: 0; }
}