/* ══════════════════════════════════════════════════════════════════════
   Ippocrate — layout: barra di navigazione, sezioni, piè di pagina
   ══════════════════════════════════════════════════════════════════════ */

/* ── Salto al contenuto ────────────────────────────────────────────── */
.skip {
    position: absolute;
    left: 1rem; top: -4rem;
    z-index: 200;
    padding: .7rem 1.1rem;
    background: var(--dark); color: #fff;
    border-radius: var(--r-sm);
    font-weight: 700;
    transition: top var(--t);
}
.skip:focus { top: 1rem; }

/* ── Barra di navigazione ──────────────────────────────────────────── */
.nav {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, .72);
    backdrop-filter: blur(18px) saturate(1.6);
    -webkit-backdrop-filter: blur(18px) saturate(1.6);
    border-bottom: 1px solid transparent;
    transition: background var(--t), border-color var(--t), box-shadow var(--t);
}
.nav--scrolled {
    background: rgba(255, 255, 255, .92);
    border-bottom-color: var(--line);
    box-shadow: 0 4px 24px rgba(27, 32, 128, .05);
}
/* Sopra un hero scuro la barra parte trasparente e in bianco */
.nav--over-dark:not(.nav--scrolled) {
    background: transparent;
    color: #fff;
}
.nav--over-dark:not(.nav--scrolled) .nav__link { color: rgba(255, 255, 255, .82); }
.nav--over-dark:not(.nav--scrolled) .nav__link:hover,
.nav--over-dark:not(.nav--scrolled) .nav__link[aria-current="page"] { color: #fff; }
.nav--over-dark:not(.nav--scrolled) .nav__brand-text { color: #fff; }
/* Il marchio è azzurro: sopra la testata scura va reso in bianco, o sparisce. */
.nav--over-dark:not(.nav--scrolled) .nav__brand img { filter: brightness(0) invert(1); }
.nav--over-dark:not(.nav--scrolled) .nav__ghost {
    color: #fff;
    border-color: rgba(255, 255, 255, .35);
}
.nav--over-dark:not(.nav--scrolled) .nav__ghost:hover { background: rgba(255, 255, 255, .14); }
.nav--over-dark:not(.nav--scrolled) .nav__burger { color: #fff; }

.nav__inner {
    width: 100%;
    max-width: var(--wrap);
    margin-inline: auto;
    padding-inline: var(--gutter);
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav__brand {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    font-weight: 800;
    letter-spacing: -.02em;
    font-size: 1.15rem;
    color: var(--dark);
    flex: none;
}
.nav__brand img { width: 34px; height: 34px; object-fit: contain; }

.nav__links {
    display: flex;
    align-items: center;
    gap: .25rem;
    margin-left: auto;
}
.nav__link {
    position: relative;
    padding: .5rem .8rem;
    border-radius: var(--r-sm);
    font-size: .93rem;
    font-weight: 600;
    color: var(--text);
    transition: color var(--t-fast), background var(--t-fast);
}
.nav__link:hover { color: var(--dark); background: rgba(41, 171, 226, .09); }
.nav__link[aria-current="page"] { color: var(--blue-deep); }

.nav__actions {
    display: flex;
    align-items: center;
    gap: .6rem;
    flex: none;
}
.nav__ghost {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .55rem 1rem;
    border: 1.5px solid var(--line);
    border-radius: var(--r-pill);
    font-size: .9rem;
    font-weight: 700;
    color: var(--text);
    transition: all var(--t-fast);
}
.nav__ghost:hover { border-color: var(--cyan); color: var(--blue-deep); background: var(--cyan-soft); }

.nav__burger {
    display: none;
    padding: .5rem;
    border-radius: var(--r-sm);
    font-size: 1.5rem;
    color: var(--dark);
}

/* ── Menu a tendina delle funzionalità ─────────────────────────────── */
.nav__has-menu { position: relative; }
.nav__trigger {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
}
.nav__trigger .ico { transition: transform var(--t-fast); }
.nav__has-menu[data-open="true"] .nav__trigger .ico { transform: rotate(180deg); }

.megamenu {
    position: absolute;
    top: calc(100% + .7rem);
    left: 50%;
    translate: -50% 0;
    width: min(680px, 92vw);
    padding: .8rem;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    box-shadow: var(--sh-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .25rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--t), transform var(--t), visibility var(--t);
}
.nav__has-menu[data-open="true"] .megamenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.megamenu__item {
    display: flex;
    gap: .8rem;
    padding: .7rem .8rem;
    border-radius: var(--r);
    transition: background var(--t-fast);
}
.megamenu__item:hover { background: var(--cyan-soft); }
.megamenu__ico {
    display: grid;
    place-items: center;
    width: 38px; height: 38px;
    flex: none;
    border-radius: 11px;
    background: var(--grad-soft);
    color: #fff;
    font-size: 1.05rem;
}
.megamenu__t { display: block; font-weight: 700; color: var(--ink); font-size: .93rem; line-height: 1.3; }
.megamenu__d { display: block; font-size: .8rem; color: var(--muted); line-height: 1.45; margin-top: .15rem; }

/* ── Menu mobile ───────────────────────────────────────────────────── */
.mobilemenu {
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    z-index: 99;
    background: #fff;
    padding: 1.5rem var(--gutter) 2.5rem;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity var(--t), transform var(--t), visibility var(--t);
}
.mobilemenu[data-open="true"] { opacity: 1; visibility: visible; transform: none; }
.mobilemenu__group + .mobilemenu__group { margin-top: 1.6rem; }
.mobilemenu__label {
    font-size: .72rem; font-weight: 800; letter-spacing: .14em;
    text-transform: uppercase; color: var(--light);
    margin-bottom: .5rem;
}
.mobilemenu a {
    display: flex; align-items: center; gap: .7rem;
    padding: .75rem .25rem;
    font-weight: 600; color: var(--ink);
    border-bottom: 1px solid var(--line-soft);
}
.mobilemenu a .ico { color: var(--cyan); font-size: 1.15rem; }

/* ── Sezioni ───────────────────────────────────────────────────────── */
.section { padding-block: var(--pad-y); }
.section--tight { padding-block: clamp(3rem, 6vw, 5rem); }
.section--white { background: var(--white); }
.section--soft {
    background: linear-gradient(180deg, var(--white) 0%, var(--bg) 100%);
}
.section--night {
    background: var(--grad-night);
    color: rgba(255, 255, 255, .78);
}
.section--night h2, .section--night h3, .section--night .h2, .section--night .h3 { color: #fff; }
.section--night .lead { color: rgba(255, 255, 255, .72); }
.section--night .eyebrow { color: var(--cyan-light); }

.section__head {
    max-width: 720px;
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section__head--center { margin-inline: auto; text-align: center; }
.section__head .eyebrow { margin-bottom: .9rem; }
.section__head .lead { margin-top: 1rem; }

/* ── Piè di pagina ─────────────────────────────────────────────────── */
.footer {
    background: var(--night);
    color: rgba(255, 255, 255, .62);
    padding-block: clamp(3.5rem, 7vw, 5rem) 2rem;
    font-size: .92rem;
}
.footer__grid {
    display: grid;
    grid-template-columns: 1.6fr repeat(3, 1fr);
    gap: 2.5rem;
}
.footer__brand {
    display: inline-flex; align-items: center; gap: .6rem;
    font-size: 1.2rem; font-weight: 800; color: #fff;
    margin-bottom: .9rem;
}
.footer__brand img { width: 32px; height: 32px; object-fit: contain; filter: brightness(0) invert(1); }
.footer h3 {
    font-size: .74rem; font-weight: 800; letter-spacing: .14em;
    text-transform: uppercase; color: rgba(255, 255, 255, .45);
    margin-bottom: .9rem;
}
.footer li + li { margin-top: .55rem; }
.footer a { transition: color var(--t-fast); }
.footer a:hover { color: var(--cyan-light); }
.footer__bottom {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, .1);
    display: flex; flex-wrap: wrap; gap: 1rem;
    justify-content: space-between; align-items: center;
    font-size: .85rem;
    color: rgba(255, 255, 255, .45);
}

/* ── Barra di avanzamento della lettura ────────────────────────────── */
.progress {
    position: fixed; inset: 0 0 auto 0;
    z-index: 101; height: 3px;
    background: transparent; pointer-events: none;
}
.progress__bar {
    height: 100%; width: 0;
    background: var(--grad-soft);
    transition: width .1s linear;
}

/* ── Adattamenti ───────────────────────────────────────────────────── */
@media (max-width: 1023px) {
    .nav__links, .nav__actions .nav__ghost { display: none; }
    .nav__burger { display: block; }
    .nav__actions { margin-left: auto; }
    .footer__grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .footer__grid > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 599px) {
    .footer__grid { grid-template-columns: 1fr; }

    /* Sotto i 600px il nome accanto al logo e il pulsante a piena misura
       si mangiavano il menu a panino: l'icona basta a riconoscere il marchio. */
    .nav__brand-text { display: none; }
    .nav__inner { gap: .75rem; }
    .nav__actions .btn { padding: .55rem 1rem; font-size: .85rem; }
    .nav__burger { margin-right: -.35rem; }
}
@media (min-width: 1024px) {
    .mobilemenu { display: none; }
}