/* 1. Importazione del font personalizzato */
@font-face {
    font-family: 'Univers Next Pro Medium';
    src: url('css/font/UniversNextProRegular.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: 'Univers Next Pro True Medium';
    src: url('css/font/Univers%20Next%20Pro%20Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: 'Univers Next Pro Bold';
    src: url('css/font/UniversNextProBold.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;
}

:root {
    --info-inline-padding: 24px;
}

/* 2. Reset base e impostazioni di visualizzazione */
body,
html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    overflow-x: hidden;
    /* Evita scorrimenti indesiderati */
    background-color: transparent;
    color: #FFFFFF;
    /* In modalità 'difference', il colore base deve essere Bianco per risultare Nero sul fondo bianco! */
    touch-action: manipulation;
}

/* Sfondo Slideshow */
#bg-slideshow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background-color: #FFFFFF;
    background-size: auto 100%;
    background-position: center center;
    background-repeat: no-repeat;
    cursor: pointer;
}

/* 3. Impostazione della prima Slide */
.slide-container {
    width: 100vw;
    height: 100dvh;
    /* 100dvh evita che gli elementi in basso finiscano "sotto" la barra degli URL di Safari */
    padding: 16px;
    box-sizing: border-box;
    position: relative;
    /* Base per gli elementi posizionati in modo assoluto all'interno */
    mix-blend-mode: difference;
    /* Il super trucco per l'effetto di inversione! */
}

/* 4. Tipografia di base per i paragrafi */
.slide-container p {
    font-family: 'Univers Next Pro Medium', sans-serif;
    font-size: 24px;
    line-height: 26px;
    margin-top: 0;
    margin-bottom: 0;
    white-space: nowrap;
}

/* La scalinata dei rientri proporzionata */
.riga-1 {
    padding-left: 0px;
}

.riga-2 {
    padding-left: 24px;
    /* Metà di 48 */
}

.riga-3 {
    padding-left: 48px;
    /* Metà di 96 */
}

/* Stili per i link (Selected Works, Information) */
.menu-link {
    color: rgb(135, 135, 135);
    text-decoration: none;
    background: none;
    border: 0;
    padding: 0;
    font: inherit;
    cursor: pointer;
    transition: none, text-decoration none;
}

@media (hover: hover) {
    .menu-link:hover {
        color: #FFFFFF;
        text-decoration: underline;
        text-underline-offset: 4px;
    }
}

.menu-link.active {
    color: #FFFFFF;
    text-decoration: underline;
    text-underline-offset: 4px;
}

/* Stile per l'apice (WIP) */
.apice-wip {
    font-family: 'Univers Next Pro True Medium', sans-serif;
    font-size: 12px;
    /* Leggermente più della metà del testo standard (24px) */
    line-height: 0;
    /* Cruciale: evita che la presenza dell'apice sballi le distanze tra le righe (compenetrazione) */
    vertical-align: baseline;
    /* Elimina comportamenti strani del sup dei browser */
    position: relative;
    top: -8px;
    /* Spinta precisa in alto per far combaciare la parte alta della W */
    margin-left: 1px;
}

/* Stile per i link di contatto */
.contact-link {
    font-family: 'Univers Next Pro True Medium', sans-serif;
    font-size: 12px;
    color: inherit;
    text-decoration: none;
    cursor: pointer;
}

.contact-link:hover {
    text-decoration: underline;
    text-underline-offset: 4px;
}

/* Nota in basso a sinistra */
.footer-note {
    position: absolute;
    bottom: 16px;
    left: 16px;
    font-family: 'Univers Next Pro Medium', sans-serif;
    font-size: 16px;
}

/* Classi utilità per gestire gli a capo e le virgole su mobile */
.mobile-break {
    display: none !important;
}

.mobile-hide {
    display: inline !important;
}

/* 5. Responsive Design (Tablet & Mobile) */
@media (prefers-reduced-motion: reduce) {
    .info-panel {
        transition: none;
    }
}

@media screen and (max-width: 1024px) {
    .slide-container {
        padding: 24px;
        min-height: 100dvh;
    }

    .slide-container p,
    .footer-note {
        font-family: 'Univers Next Pro True Medium', sans-serif;
    }

    .slide-container p {
        font-size: clamp(20px, 2.2vw, 24px);
        line-height: clamp(22px, 2.6vw, 26px);
        white-space: normal;
        margin-bottom: 0;
        text-wrap: balance;
    }

    .riga-1 {
        padding-left: 0;
    }

    .riga-2 {
        padding-left: 18px;
    }

    .riga-3 {
        padding-left: 36px;
    }

    .footer-note {
        font-size: 14px;
        line-height: 16px;
    }
}

@media screen and (max-width: 768px) {
    #bg-slideshow {
        background-size: cover;
    }

    .slide-container p,
    .footer-note {
        font-family: 'Univers Next Pro True Medium', sans-serif;
    }

    .slide-container p {
        font-size: 20px;
        line-height: 22px;
        white-space: normal;
        margin-bottom: 0;
        text-wrap: balance;
    }

    .riga-1 {
        padding-left: 0;
    }

    .riga-2 {
        padding-left: 16px;
    }

    .riga-3 {
        padding-left: 32px;
    }

    .apice-wip {
        font-size: 12px;
        top: -6px;
    }

    .mobile-break {
        display: inline !important;
    }

    .mobile-hide {
        display: none !important;
    }
}

.exp-company a,
.panel-link {
    color: inherit;
    text-decoration: none;
}

.exp-company a:hover,
.panel-link:hover {
    text-decoration: underline;
    text-underline-offset: 4px;
}

/* 6. Information Panel */
.info-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100vw;
    height: 70vh;
    background-color: #FFFFFF;
    color: #000000;
    z-index: 10;
    transform: translateY(100%);
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
    box-sizing: border-box;
    padding-top: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    font-family: 'Univers Next Pro Medium', sans-serif;
    font-size: 16px;
    line-height: 18px;
    text-wrap: pretty;
    hyphens: auto;
}

.info-panel.open {
    transform: translateY(0);
}

.info-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    width: 100%;
    flex: 1;
    min-height: 0;
}

.info-container > .info-column-group {
    display: contents;
}

.info-col {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden; /* Prevent the column itself from scrolling */
}

.info-scroll-content {
    flex: 1;
    overflow-y: auto;
    margin-top: -8px; /* Overlap the 8px margin/gradient of the fixed title */
    padding-top: 8px; /* Offset the negative margin so content starts sharp */
    padding-bottom: 24px; /* Space for the sharp bottom fade + buffer */
    scrollbar-width: none;
    -ms-overflow-style: none;
    position: relative; /* Establish stacking context */
    z-index: 1;
    /* Bottom-only gradient mask for desktop scroll content */
    -webkit-mask-image: linear-gradient(to bottom, 
        black 0%, 
        black calc(100% - 12px), 
        transparent 100%
    );
    mask-image: linear-gradient(to bottom, 
        black 0%, 
        black calc(100% - 12px), 
        transparent 100%
    );
}

.info-scroll-content::-webkit-scrollbar {
    display: none;
}


.info-title {
    position: sticky;
    top: -1px; /* Avoid tiny gaps */
    z-index: 10;
    flex-shrink: 0;
    background-color: #FFFFFF;
    font-family: 'Univers Next Pro Medium', sans-serif;
    color: rgb(0, 0, 0);
    font-size: 24px;
    line-height: 26px;
    margin-top: 0;
    margin-bottom: 8px;
    padding: 0 var(--info-inline-padding) 8px var(--info-inline-padding); /* top spacing controlled by panel */
    font-weight: normal;
    text-wrap: balance;
    text-transform: capitalize;
}

.info-title.contacts-title {
    margin-top: 24px;
}

/* 8px fade under the 8px white title padding = 16px total gap from title text to content */
.info-title::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 8px; /* Subtler 8px fade to maintain uniform rhythm */
    background: linear-gradient(to bottom, #FFFFFF, rgba(255, 255, 255, 0));
    pointer-events: none;
    z-index: 5;
}

@media screen and (max-width: 1024px) {
    .info-title::after {
        display: none;
    }
}

@media screen and (min-width: 577px) and (max-width: 1024px) {
    .info-title::after {
        display: none;
    }
}

/* Secondary headings are now identical to primary thanks to universal sticky behavior */
.info-scroll-content .info-title {
    padding-left: var(--info-inline-padding);
}

.info-title:not(:first-child):not(.contacts-title) {
    margin-top: 0; /* Titles sit flush against each other for replacement */
}

/* Allineamento base per i blocchi principali a 16px (per compensare la rimozione del padding del pannello) */
.exp-item,
.info-scroll-content > div:not(.info-title),
.info-container > div:not(.info-title):not(.info-col):not(.go-top-container) {
    padding-left: var(--info-inline-padding);
    padding-right: var(--info-inline-padding);
}

.exp-company {
    padding-left: 0; /* Already inside .exp-item which has 16px */
}

/* Ensure the copyright block has 16px padding regardless of screen size */
.copyright-block {
    padding-left: var(--info-inline-padding) !important;
    padding-right: var(--info-inline-padding);
}

/* Allineamento dell'indentazione interna con la misura (Step) della Home */
.exp-indent,
.info-panel div[style*="padding-left: 16px"] {
    padding-left: 24px !important;
}

.info-panel div[style*="text-indent"] {
    text-indent: 24px !important;
}

.copyright-block {
    padding-left: 0; /* Align symbol to the far left */
    margin-top: auto;
    padding-top: 16px; /* Consistent rhythm with other spacing */
    padding-bottom: 16px; /* Exactly 16px from the bottom as requested */
    display: flex;
    line-height: 18px;
    white-space: nowrap;
}

.copyright-symbol {
    width: 24px; /* Default indent for desktop sync with titles/items */
    flex-shrink: 0;
}

/* Classi per l'area Experience */
.exp-item {
    margin-bottom: 18px;
}

.exp-company {
    color: #000000;
}

.exp-desc {
    color: rgb(135, 135, 135);
}

/* Responsive adjustment for columns */
@media screen and (min-width: 577px) and (max-width: 1024px) {
    .info-panel {
        overflow: hidden;
        display: flex;
        flex-direction: column;
        height: 75vh;
        max-height: 75vh;
        padding-top: 16px;
    }

    .info-container {
        display: grid;
        grid-template-columns: minmax(280px, 0.95fr) minmax(0, 1.05fr);
        align-items: start;
        gap: 0;
        padding-bottom: 16px;
        min-height: 0;
        height: 100%;
        overflow: hidden;
    }

    .info-col {
        width: auto;
        height: auto;
        overflow: visible;
        margin-bottom: 24px;
        box-sizing: border-box;
        display: flex;
        flex-direction: column;
    }

    .info-container > .info-col:first-child {
        padding-right: 16px;
        min-height: 0;
        height: 100%;
        overflow: hidden;
    }

    .info-container > .info-column-group {
        display: flex;
        flex-direction: column;
        min-width: 0;
        min-height: 0;
        height: 100%;
        overflow-y: auto;
        overflow-x: hidden;
        padding-left: 16px;
        padding-right: 0;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .info-container > .info-column-group::-webkit-scrollbar {
        display: none;
    }

    .info-column-group > .info-col {
        width: 100%;
        margin-bottom: 24px;
    }

    .info-column-group > .info-col:last-child {
        margin-bottom: 0;
    }

    .info-title {
        padding-top: 0;
        padding-bottom: 8px;
        margin-bottom: 8px;
    }

    .info-scroll-content {
        overflow-y: visible;
        height: auto;
        padding-top: 0;
        padding-bottom: 0;
        -webkit-mask-image: none;
        mask-image: none;
    }

    .info-container > .info-col:first-child {
        display: flex;
        flex-direction: column;
        min-height: 0;
    }

    .info-container > .info-col:first-child .info-scroll-content {
        flex: 1 1 auto;
        min-height: 0;
        overflow-y: auto;
        overflow-x: hidden;
        max-height: none;
    }

    .info-scroll-content .info-title {
        padding-top: 16px;
        padding-bottom: 8px;
        margin-bottom: 8px;
    }

    .info-container > .info-col:first-child .copyright-block {
        margin-top: auto;
    }

    /* Uniform Scheme for Tablet/Mobile Start */
    .info-panel .info-title {
        font-size: 20px;
        line-height: 22px;
        padding-left: var(--info-inline-padding) !important;
    }

    .info-panel .exp-company,
    .info-panel .info-col > div:not(.copyright-block):not(.exp-item):not(.go-top-container):not([style*="padding-left: 16px"]) {
        padding-left: var(--info-inline-padding) !important;
    }

    .info-panel .exp-indent,
    .info-panel div[style*="padding-left: 16px"]:not(.go-top-container) {
        padding-left: calc(var(--info-inline-padding) + 8px) !important;
        text-indent: 0 !important;
    }

    .info-panel div[style*="text-indent"] {
        padding-left: var(--info-inline-padding) !important;
        text-indent: 16px !important;
    }

    .info-panel .copyright-block {
        padding-left: var(--info-inline-padding) !important;
        padding-bottom: 16px;
        padding-right: var(--info-inline-padding);
    }

    .copyright-symbol {
        width: 16px;
    }
}

/* Resets and hidden elements */
.go-top-container {
    display: none;
}

@media screen and (max-width: 576px) {
    .info-container {
        display: block; /* Stack verticale puro */
        overflow: visible;
        height: auto;
        -webkit-overflow-scrolling: touch;
    }

    .info-column-group {
        display: contents !important;
    }

    .info-col,
    .info-scroll-content {
        display: contents !important; /* Unified stack for sticky header substitution */
    }

    .info-panel,
    .info-panel .panel-link,
    .info-panel .exp-company a {
        font-family: 'Univers Next Pro True Medium', sans-serif;
    }

    .info-panel .info-title {
        position: sticky;
        top: -1px;
        z-index: 10;
        background-color: #FFFFFF;
        font-family: 'Univers Next Pro True Medium', sans-serif;
        font-size: 20px;
        line-height: 22px;
        padding: 0 var(--info-inline-padding) 8px var(--info-inline-padding); /* Standard 24px horizontal rhythm for mobile; top spacing via panel */
        margin-bottom: 8px;
    }

    .info-panel .info-title:not(#info-panel-title):not(.contacts-title) {
        margin-top: 24px;
    }

    .info-panel {
        height: 70vh;
        /* Più basso su mobile rispetto al desktop */
        padding-top: 16px;
        padding-bottom: 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        /* Bottom-only gradient mask on mobile panel scroll */
        -webkit-mask-image: linear-gradient(to bottom, 
            black 0%, 
            black calc(100% - 16px), 
            transparent 100%
        );
        mask-image: linear-gradient(to bottom, 
            black 0%, 
            black calc(100% - 16px), 
            transparent 100%
        );
    }

    .copyright-block {
        padding-top: 18px;
        padding-bottom: 32px; /* Space from the bottom of the scroll */
        margin-top: 0;
        padding-left: 16px !important; /* Mobile indent (16px) */
    }

    .go-top-container {
        display: block;
        width: 100%;
        box-sizing: border-box;
        padding: 24px 16px 24px 16px;
        text-align: left;
        margin-top: 16px;
        clear: both;
        position: relative;
        z-index: 2;
        background-color: #FFFFFF;
        flex-shrink: 0;
    }

    .go-top-link {
        font-family: 'Univers Next Pro True Medium', sans-serif;
        color: #000000;
        text-decoration: underline;
        text-underline-offset: 4px;
        font-size: 16px;
        display: inline-block;
    }
}