/* ══════════════════════════════════════════════
   PAGINA — PORTFOLIO
   Riproduce assets/images/sezioni/sezione-portfolio.png
══════════════════════════════════════════════ */
.portfolio { background: var(--dark); color: #fff; }
.portfolio .container { max-width: 1320px; }

.portfolio .label {
    font-family: var(--fd); font-weight: 800; font-size: 11px; letter-spacing: .2em;
    text-transform: uppercase; color: var(--gold); margin-bottom: 16px;
}
.portfolio .pf-h2 {
    font-family: var(--fd); font-weight: 900; font-size: clamp(28px,3.6vw,46px);
    line-height: 1; text-transform: uppercase; color: #fff; letter-spacing: -.01em;
}
.portfolio .gold { color: var(--gold); }
.portfolio .pf-lead {
    font-family: var(--fb); font-size: 16px; line-height: 1.72; color: rgba(255,255,255,.52); max-width: 620px; margin-top: 16px;
    strong { color: rgba(255,255,255,.85); font-weight: 600; }
}

/* ── SCROLL ANIMATIONS (sistema .reveal del tema) ── */
.portfolio .reveal { transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1); }
.portfolio .pf-stagger.reveal { opacity: 1; transform: none; transition: none; }
.portfolio .pf-stagger > * {
    opacity: 0; transform: translateY(22px);
    transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1);
    will-change: opacity, transform;
}
.portfolio .pf-stagger.is-inview > * { opacity: 1; transform: none; }
.portfolio .pf-stagger.is-inview > *:nth-child(1){transition-delay:.04s}
.portfolio .pf-stagger.is-inview > *:nth-child(2){transition-delay:.10s}
.portfolio .pf-stagger.is-inview > *:nth-child(3){transition-delay:.16s}
.portfolio .pf-stagger.is-inview > *:nth-child(4){transition-delay:.22s}
.portfolio .pf-stagger.is-inview > *:nth-child(5){transition-delay:.28s}
.portfolio .pf-stagger.is-inview > *:nth-child(6){transition-delay:.34s}
.portfolio .pf-stagger.is-inview > *:nth-child(7){transition-delay:.40s}
.portfolio .pf-stagger.is-inview > *:nth-child(8){transition-delay:.46s}
@media (prefers-reduced-motion: reduce) {
    .portfolio .reveal, .portfolio .pf-stagger > * { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ── 1 · HERO ── */
.pf-hero {
    position: relative; overflow: hidden; padding-block: 150px 80px;
    @media (max-width: 900px) { padding-block: 120px 64px; }
    .pf-hero-grid {
        position: absolute; inset: 0; z-index: 0; pointer-events: none;
        background-image: linear-gradient(rgba(254,192,59,.022) 1px, transparent 1px), linear-gradient(90deg, rgba(254,192,59,.022) 1px, transparent 1px);
        background-size: 52px 52px;
    }
    .pf-hero-glow { position: absolute; top: 30%; right: 6%; width: 620px; height: 620px; max-width: 60vw; z-index: 0; background: radial-gradient(circle, rgba(252,139,0,.26) 0%, rgba(252,139,0,.06) 45%, transparent 70%); pointer-events: none; }
    .container { position: relative; z-index: 1; }
    .pf-hero-in { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center;
        @media (max-width: 900px) { grid-template-columns: 1fr; gap: 40px; }
    }
    .pf-over { font-family: var(--fd); font-weight: 800; font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--gold); margin-bottom: 18px; }
    .pf-hero-h { font-family: var(--fd); font-weight: 900; font-size: clamp(34px,4.4vw,56px); line-height: .98; text-transform: uppercase; color: #fff; margin-bottom: 18px; letter-spacing: -.01em; }
    .pf-hero-claim { font-family: var(--fs); font-style: italic; font-size: clamp(18px,2vw,24px); color: #fff; margin-bottom: 22px; }
    .pf-hero-lead { font-family: var(--fb); font-size: 16px; line-height: 1.7; color: rgba(255,255,255,.5); max-width: 520px; margin-bottom: 14px; }
    .pf-hero-text .btn { margin-top: 14px; }

    /* card laterale */
    .pf-hero-card {
        position: relative; background: rgba(15,15,15,.7); backdrop-filter: blur(8px);
        border: 1px solid rgba(255,255,255,.1); border-radius: var(--rl); padding: 26px 26px 26px;
        display: flex; flex-direction: column; gap: 16px; overflow: hidden;
        height: 600px;justify-content: space-around;
        @media (max-width: 900px) { height: auto; gap: 24px; justify-content: flex-start; padding: 30px 26px; }
    }
    .pf-hc-row { display: flex; align-items: center; gap: 14px; position: relative; z-index: 2; }
    .pf-hc-ico { width: 38px; height: 38px; flex-shrink: 0; border-radius: 11px; background: var(--gold-dim); border: 1px solid rgba(254,192,59,.3); display: inline-flex; align-items: center; justify-content: center; svg { width: 19px; height: 19px; } }
    .pf-hc-n { font-family: var(--fd); font-weight: 900; font-size: 16px; text-transform: uppercase; color: var(--gold); line-height: 1; }
    .pf-hc-l { font-family: var(--fb); font-size: 13px; color: rgba(255,255,255,.5); margin-top: 3px; }
    .pf-hc-photo { position: absolute; top: 0; right: 0; bottom: 0; width: 56%; z-index: 1; pointer-events: none;
        img { width: 100%; height: 100%; object-fit: cover; object-position: center top; display: block;
            -webkit-mask-image: linear-gradient(to right, transparent, #000 55%); mask-image: linear-gradient(to right, transparent, #000 55%); opacity: .85; }
        @media (max-width: 480px) { display: none; }
    }
}

/* ── 2 · MENTORE ── */
.pf-mentor { padding-block: 70px; border-top: 1px solid rgba(255,255,255,.06); }
.pf-mentor-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
    @media (max-width: 860px) { grid-template-columns: 1fr; gap: 32px; }
}
.pf-mentor-photo { border-radius: var(--rl); overflow: hidden; border: 1px solid rgba(255,255,255,.08);
    img { width: 100%; height: 600px; object-fit: cover; object-position: center 20%; display: block;
        @media (max-width: 860px) { height: 420px; }
    }
}

/* ── 3 · COMPETENZE ── */
.pf-skills { padding-block: 70px; }
.pf-skills-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; margin-top: 40px;
    @media (max-width: 980px) { grid-template-columns: 1fr 1fr; }
    @media (max-width: 540px) { grid-template-columns: 1fr; }
}
.pf-skill {
    background: var(--dark-2); border: 1px solid rgba(255,255,255,.07); border-radius: var(--rm); padding: 24px 22px;
    transition: border-color var(--t), transform var(--t);
    &:hover { border-color: rgba(254,192,59,.4); transform: translateY(-4px); }
    .pf-skill-ico { width: 40px; height: 40px; border-radius: 11px; background: var(--gold-dim); border: 1px solid rgba(254,192,59,.25); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 16px; svg { width: 20px; height: 20px; } }
    .pf-skill-t { font-family: var(--fd); font-weight: 800; font-size: 15.5px; color: #fff; line-height: 1.22; margin-bottom: 12px; }
    .pf-skill-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 7px;
        li { position: relative; padding-left: 18px; font-family: var(--fb); font-size: 12.5px; color: rgba(255,255,255,.5);
            &::before { content: ''; position: absolute; left: 0; top: 6px; width: 9px; height: 5px; border-left: 1.5px solid var(--gold); border-bottom: 1.5px solid var(--gold); transform: rotate(-45deg); }
        }
    }
}

/* ── 4 · STACK / WORDPRESS ── */
.pf-stack { padding-block: 70px; border-top: 1px solid rgba(255,255,255,.06); }
.pf-stack-head { max-width: 680px; }
.pf-orbit {
    position: relative; margin-top: 50px; min-height: 340px;
    display: flex; align-items: center; justify-content: center;
    @media (max-width: 760px) { min-height: auto; flex-direction: column; gap: 28px; }
}

/* anelli orbitanti animati */
.pf-orbit-rings { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); z-index: 1; pointer-events: none;
    @media (max-width: 760px) { display: none; }
}
.pf-ring { position: absolute; top: 50%; left: 50%; border-radius: 50%; }
.pf-ring-1 { width: 260px; height: 260px; margin: -130px 0 0 -130px; border: 1px dashed rgba(254,192,59,.28); animation: pf-spin 26s linear infinite; }
.pf-ring-2 { width: 380px; height: 380px; margin: -190px 0 0 -190px; border: 1px dashed rgba(255,255,255,.10); animation: pf-spin 40s linear infinite reverse; }
.pf-ring-3 { width: 500px; height: 500px; margin: -250px 0 0 -250px; border: 1px solid rgba(255,255,255,.05); animation: pf-spin 60s linear infinite; }
@keyframes pf-spin { to { transform: rotate(360deg); } }

.pf-orbit-core {
    width: 150px; height: 150px; border-radius: 50%; flex-shrink: 0;
    background: radial-gradient(circle at 50% 35%, #1a1a1a, #000); border: 1px solid rgba(255,255,255,.12);
    display: flex; align-items: center; justify-content: center; position: relative; z-index: 3;
    animation: pf-pulse 3.6s ease-in-out infinite;
    .pf-wp-logo { width: 64px; height: 64px; display: block; filter: drop-shadow(0 0 14px rgba(254,192,59,.35)); }
}
@keyframes pf-pulse {
    0%, 100% { box-shadow: 0 0 0 8px rgba(254,192,59,.04), 0 0 30px rgba(252,139,0,.18), 0 30px 60px rgba(0,0,0,.5); }
    50%      { box-shadow: 0 0 0 14px rgba(254,192,59,.07), 0 0 55px rgba(252,139,0,.34), 0 30px 60px rgba(0,0,0,.5); }
}

.pf-chip {
    font-family: var(--fd); font-weight: 700; font-size: 12px; letter-spacing: .04em; color: rgba(255,255,255,.72); white-space: nowrap;
    background: var(--dark-2); border: 1px solid rgba(255,255,255,.1); border-radius: 100px; padding: 9px 15px;
    transition: border-color var(--t), color var(--t);
    z-index: 2;
    &:hover { border-color: var(--gold); color: #fff; }
}
@keyframes pf-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }

@media (prefers-reduced-motion: reduce) {
    .pf-ring, .pf-orbit-core, .pf-chip { animation: none !important; }
}
/* desktop: chip disposte attorno al core */
@media (min-width: 761px) {
    .pf-orbit { display: block; }
    .pf-orbit-core { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); }
    .pf-chip { position: absolute; animation: pf-float 6s ease-in-out infinite; }
    .pf-chip-1 { top: 8%;  left: 26%; animation-delay: -.2s; animation-duration: 5.4s; }
    .pf-chip-2 { top: 6%;  left: 58%; animation-delay: -1.6s; animation-duration: 6.2s; }
    .pf-chip-3 { top: 30%; left: 10%; animation-delay: -2.4s; animation-duration: 5.8s; }
    .pf-chip-4 { top: 28%; left: 80%; animation-delay: -3.1s; animation-duration: 6.4s; }
    .pf-chip-5 { top: 50%; left: 4%;  animation-delay: -.8s;  animation-duration: 5.6s; }
    .pf-chip-6 { top: 52%; left: 86%; animation-delay: -2.0s; animation-duration: 6.0s; }
    .pf-chip-7 { top: 74%; left: 14%; animation-delay: -3.6s; animation-duration: 5.7s; }
    .pf-chip-8 { top: 78%; left: 60%; animation-delay: -1.2s; animation-duration: 6.3s; }
    .pf-chip-9 { top: 92%; left: 34%; animation-delay: -2.7s; animation-duration: 5.9s; }
}
@media (max-width: 760px) {
    .pf-orbit { display: flex; flex-flow: row wrap; justify-content: center; align-items: center; gap: 10px; }
    .pf-orbit > .pf-chip { position: static; animation: none; }
    .pf-orbit-core { flex-basis: 100%; margin: 0 auto 8px; }
}

/* ── 5 · MISSIONI ── */
.pf-missions { padding-block: 70px; }
.pf-missions-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 40px;
    @media (max-width: 900px) { grid-template-columns: 1fr 1fr; }
    @media (max-width: 560px) { grid-template-columns: 1fr; }
}
.pf-mission {
    display: flex; gap: 14px; background: var(--dark-2); border: 1px solid rgba(255,255,255,.07); border-radius: var(--rm); padding: 22px 22px;
    .pf-mission-ico { width: 40px; height: 40px; flex-shrink: 0; border-radius: 11px; background: var(--gold-dim); border: 1px solid rgba(254,192,59,.25); display: inline-flex; align-items: center; justify-content: center; svg { width: 20px; height: 20px; } }
    .pf-mission-t { font-family: var(--fd); font-weight: 800; font-size: 15px; color: #fff; line-height: 1.25; margin-bottom: 6px; }
    .pf-mission-d { font-family: var(--fb); font-size: 13px; line-height: 1.55; color: rgba(255,255,255,.45); }
}

/* ── 6 · PROGETTI (case study a righe alternate) ── */
.pf-projects { padding-block: 70px; border-top: 1px solid rgba(255,255,255,.06); }
.pf-projects-list { display: flex; flex-direction: column; gap: 18px; margin-top: 40px; }
.pf-project {
    position: relative; width: 100%;
    background: var(--dark-4); border: 1px solid rgba(255,255,255,.08); border-radius: var(--rl); overflow: hidden;
    transition: border-color var(--t);
    &:hover { border-color: rgba(254,192,59,.35); }
}
/* immagine al 100% di larghezza: l'altezza segue la foto, niente tagli */
.pf-project-img { display: block; width: 100%; height: auto; }
/* velo che scurisce l'immagine per rendere il testo leggibile all'hover */
.pf-project-veil { position: absolute; inset: 0; pointer-events: none;
    background: linear-gradient(to top, rgba(10,10,12,.92) 0%, rgba(10,10,12,.78) 38%, rgba(10,10,12,.25) 72%, rgba(10,10,12,0) 100%);
    opacity: 0; transition: opacity var(--t);
}
.pf-project:hover .pf-project-veil,
.pf-project:focus-within .pf-project-veil { opacity: 1; }
/* info nascoste, escono dal basso all'hover */
.pf-project-info { position: absolute; inset: auto 0 0 0; z-index: 2;
    padding: 30px 28px; display: flex; flex-direction: column; justify-content: flex-end;
    opacity: 0; transform: translateY(18px);
    transition: opacity var(--t), transform var(--t);
}
.pf-project:hover .pf-project-info,
.pf-project:focus-within .pf-project-info { opacity: 1; transform: translateY(0); }
.pf-project-tag { font-family: var(--fd); font-weight: 800; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--gold); margin-bottom: 12px; }
.pf-project-t { font-family: var(--fd); font-weight: 900; font-size: clamp(19px,1.6vw,23px); text-transform: uppercase; color: #fff; line-height: 1.1; margin-bottom: 12px; }
.pf-project-d { font-family: var(--fb); font-size: 14px; line-height: 1.65; color: rgba(255,255,255,.78); margin-bottom: 16px; }
.pf-project-tech { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px;
    li { font-family: var(--fd); font-weight: 700; font-size: 11px; letter-spacing: .02em; color: rgba(255,255,255,.85);
        background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: 100px; padding: 5px 11px; }
}
/* su touch/mobile l'hover non esiste: immagine sopra, testi in un blocco leggibile sotto */
@media (hover: none), (max-width: 640px) {
    .pf-project-veil { display: none; }
    .pf-project-info {
        position: static; opacity: 1; transform: none;
        background: var(--dark-2); border-top: 1px solid rgba(255,255,255,.08);
        padding: 24px 22px 26px;
    }
    .pf-project-t { font-size: 21px; }
    .pf-project-d { color: rgba(255,255,255,.6); }
}
.pf-projects-note { font-family: var(--fb); font-size: 13px; color: rgba(255,255,255,.4); margin-top: 22px; text-align: center; }

/* ── 7 · WHITE LABEL ── */
.pf-wl { padding-block: 70px; }
.pf-wl-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; margin-top: 40px;
    @media (max-width: 900px) { grid-template-columns: 1fr 1fr; }
    @media (max-width: 540px) { grid-template-columns: 1fr; }
}
.pf-wl-card {
    background: var(--dark-2); border: 1px solid rgba(255,255,255,.07); border-radius: var(--rm); padding: 24px 22px;
    transition: border-color var(--t), transform var(--t);
    &:hover { border-color: rgba(254,192,59,.4); transform: translateY(-4px); }
    .pf-wl-ico { width: 44px; height: 44px; border-radius: 12px; background: var(--gold-dim); border: 1px solid rgba(254,192,59,.25); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 16px; svg { width: 22px; height: 22px; } }
    .pf-wl-t { font-family: var(--fd); font-weight: 800; font-size: 15.5px; color: #fff; margin-bottom: 9px; }
    .pf-wl-d { font-family: var(--fb); font-size: 13px; line-height: 1.55; color: rgba(255,255,255,.46); }
}

/* ── 8 · NDA / COME LAVORO ── */
.pf-nda { padding-block: 40px 90px; }
.pf-nda-panel {
    position: relative; overflow: hidden; border-radius: var(--rl);
    background: linear-gradient(150deg, var(--dark-3), var(--dark-2)); border: 1px solid rgba(255,255,255,.08);
    display: grid; grid-template-columns: 1.2fr .8fr; align-items: stretch;
    &::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--grad-gold); z-index: 2; }
    .pf-nda-glow { position: absolute; top: -40%; right: -8%; width: 480px; height: 480px; background: radial-gradient(circle, rgba(252,139,0,.2), transparent 65%); pointer-events: none; }
    .pf-nda-in { position: relative; z-index: 1; max-width: 720px; padding: 56px 48px;
        @media (max-width: 560px) { padding: 40px 24px; }
    }
    .pf-lead { max-width: 640px; margin-bottom: 26px; }
    @media (max-width: 860px) { grid-template-columns: 1fr; }
}
.pf-nda-photo { position: relative; z-index: 1; min-height: 340px;
    img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center top;
        -webkit-mask-image: linear-gradient(to right, transparent, #000 32%); mask-image: linear-gradient(to right, transparent, #000 32%); }
    @media (max-width: 860px) { min-height: 300px; img { -webkit-mask-image: linear-gradient(to bottom, #000 55%, transparent); mask-image: linear-gradient(to bottom, #000 55%, transparent); } }
}