/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --primary: #2b465e;
    --primary-08: rgba(43, 70, 94, 0.08);
    --primary-20: rgba(43, 70, 94, 0.20);
    --primary-26: rgba(43, 70, 94, 0.26);
    --bg-light: #f6f6f6;
    --bg-dark: #2b465e;
    --white: #ffffff;
    --font: 'Aspekta', sans-serif;
    --container: 1432px;
    --radius: 8px;
    --header-height: 110px;
}

html { font-size: 16px; }
/* overflow-x: clip (non hidden) — hidden crea un contenitore di scroll
   e romperebbe position: sticky su header e immagini dei trattamenti */
body { font-family: var(--font); color: var(--primary); background: var(--white); -webkit-font-smoothing: antialiased; overflow-x: hidden; overflow-x: clip; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
address { font-style: normal; }

/* ===== HEADER ===== */
.site-header {
    background: var(--bg-dark);
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 8px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    width: 100%;
    max-width: var(--container);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo { display: flex; align-items: center; }
.site-logo .logo-img { height: 41px; width: auto; }
.logo-text { color: var(--white); font-size: 20px; font-weight: 700; }

.primary-nav .nav-menu {
    display: flex;
    align-items: center;
    gap: 24px;
    list-style: none;
}

/* Ogni voce occupa tutta l'altezza dell'header: il dropdown si aggancia
   al bordo inferiore senza spazi vuoti che interrompono l'hover. */
.primary-nav .nav-menu > li {
    display: flex;
    align-items: center;
    height: var(--header-height);
}

.primary-nav .nav-menu a {
    color: var(--white);
    font-size: 20px;
    font-weight: 600;
    white-space: nowrap;
    transition: opacity .2s;
}
.primary-nav .nav-menu a:hover { opacity: .75; }

.primary-nav .nav-menu .menu-item-has-children > a::after {
    content: '';
    display: inline-block;
    width: 12px;
    height: 6px;
    margin-left: 8px;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 12 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 4 5-4' stroke='white' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat center / contain;
    transition: transform .25s ease;
}
.primary-nav .nav-menu .menu-item-has-children:hover > a::after,
.primary-nav .nav-menu .menu-item-has-children:focus-within > a::after { transform: rotate(180deg); }

/* Dropdown */
.primary-nav .nav-menu .menu-item-has-children { position: relative; }

.primary-nav .nav-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 240px;
    list-style: none;
    padding: 8px 0;
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: 0 8px 24px rgba(0,0,0,.1);
    z-index: 101;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s;
}

/* Voci vicine al bordo destro: il dropdown si apre verso sinistra */
.primary-nav .nav-menu > li:nth-last-child(-n+2) .sub-menu { left: auto; right: 0; }

.primary-nav .nav-menu .menu-item-has-children:hover > .sub-menu,
.primary-nav .nav-menu .menu-item-has-children:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.primary-nav .nav-menu .sub-menu li { display: block; }
.primary-nav .nav-menu .sub-menu a {
    color: var(--primary);
    font-size: 16px;
    font-weight: 500;
    padding: 10px 20px;
    display: block;
    transition: background .2s;
}
.primary-nav .nav-menu .sub-menu a:hover { background: var(--primary-08); opacity: 1; }

/* ===== FOOTER ===== */
.site-footer { background: var(--white); }

.footer-inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 35px 40px;
    display: grid;
    grid-template-columns: 335px 335px 184px 335px;
    gap: 40px;
    align-items: start;
}

.footer-col h4 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 34px;
}

.footer-brand .footer-logo { margin-bottom: 21px; }
.footer-brand .footer-logo img { height: 41px; width: auto; }

.footer-address {
    font-size: 15px;
    line-height: 1.4;
    color: var(--primary);
    margin-bottom: 21px;
}

.footer-legal {
    display: flex;
    gap: 8px;
    margin-bottom: 21px;
}

.footer-legal a {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-08);
    padding: 8px 16px;
    border-radius: 4px;
}

.footer-social { display: flex; gap: 8px; }
.footer-social a {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}
.footer-social a svg { width: 15px; height: 15px; }

.footer-about p,
.footer-hours-content {
    font-size: 14px;
    line-height: 1.4;
    color: var(--primary);
}
.footer-hours-list { list-style: none; padding: 0; margin: 0; }
.footer-hours-list li {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 4px 0;
}
.footer-hours-list li span:first-child { font-weight: 600; }

.footer-menu .footer-nav { list-style: none; }
.footer-menu .footer-nav li { margin-bottom: 16px; }
.footer-menu .footer-nav a { font-size: 17px; font-weight: 600; color: var(--primary); }

.footer-bottom {
    background: var(--primary-08);
    text-align: center;
    padding: 24px 8px;
}
.footer-bottom p { font-size: 13px; color: var(--primary); }
.footer-bottom a { text-decoration: underline; }

/* ===== TORNA SU ===== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.3s, transform 0.3s;
    pointer-events: none;
    box-shadow: 0 4px 16px rgba(43,70,94,0.25);
}
.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.back-to-top svg { width: 20px; height: 20px; }
.back-to-top:hover { opacity: 0.85; }

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    bottom: 32px;
    left: 32px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #25D366;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99;
    box-shadow: 0 4px 16px rgba(37,211,102,0.35);
    transition: transform 0.25s, box-shadow 0.25s;
}
.whatsapp-float svg { width: 32px; height: 32px; }
.whatsapp-float:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(37,211,102,0.45);
}

/* ===== HAMBURGER ===== */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 8px;
    z-index: 201;
    flex-shrink: 0;
}
.hamburger span {
    display: block;
    width: 28px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
}
.hamburger.is-active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.is-active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.is-active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ===== MOBILE MENU ===== */
.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(420px, 100vw);
    height: 100dvh;
    background: #1e3347;
    z-index: 200;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}
.mobile-menu::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, rgba(255,255,255,0.1), rgba(255,255,255,0.4), rgba(255,255,255,0.1));
}
.mobile-menu.is-open { transform: translateX(0); }

/* Backdrop */
.mobile-menu-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 199;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s;
}
.mobile-menu-backdrop.is-open { opacity: 1; pointer-events: auto; }

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
}
.mobile-menu-logo .logo-img { height: 32px; width: auto; }

.mobile-menu-close {
    position: relative;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 8px;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.2s;
}
.mobile-menu-close:hover { background: rgba(255,255,255,0.15); }
.mobile-menu-close span {
    position: absolute;
    top: 50%; left: 50%;
    width: 14px; height: 1.5px;
    background: var(--white);
    border-radius: 2px;
}
.mobile-menu-close span:nth-child(1) { transform: translate(-50%, -50%) rotate(45deg); }
.mobile-menu-close span:nth-child(2) { transform: translate(-50%, -50%) rotate(-45deg); }

.mobile-nav { padding: 16px 28px 48px; flex: 1; }
.mobile-nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
}
.mobile-nav-menu > li {
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobile-nav-menu > li > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 22px;
    font-weight: 600;
    color: var(--white);
    padding: 18px 0;
    transition: color 0.2s;
    letter-spacing: -0.01em;
}
.mobile-nav-menu > li > a:hover { color: rgba(255,255,255,0.65); }
.mobile-nav-menu > li.current-menu-item > a { color: rgba(255,255,255,0.5); }

/* Voce con sottomenu: tap sulla riga = apri/chiudi */
.mobile-nav-menu > li.menu-item-has-children > a {
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}
.mobile-nav-menu > li.menu-item-has-children > a::after {
    content: '';
    width: 14px;
    height: 8px;
    flex-shrink: 0;
    margin-left: 16px;
    opacity: .7;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 12 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 4 5-4' stroke='white' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat center / contain;
    transition: transform 0.3s ease, opacity 0.2s;
}
.mobile-nav-menu > li.menu-item-has-children.is-open > a::after {
    transform: rotate(180deg);
    opacity: 1;
}

.mobile-nav-menu .sub-menu {
    list-style: none;
    padding: 0;
}
/* Collassato solo quando il JS ha attivato l'accordion (senza JS resta aperto) */
.mobile-nav-menu > li.has-accordion > .sub-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-nav-menu .sub-menu li { border: none; }
.mobile-nav-menu .sub-menu a {
    font-size: 16px;
    font-weight: 400;
    color: rgba(255,255,255,0.55);
    padding: 11px 0;
    display: block;
    transition: color 0.2s;
}
.mobile-nav-menu .sub-menu li:last-child a { padding-bottom: 20px; }
.mobile-nav-menu .sub-menu a:hover,
.mobile-nav-menu .sub-menu a:active { color: rgba(255,255,255,0.85); }
.mobile-nav-menu .sub-menu .current-menu-item > a { color: var(--white); }

/* Link alla pagina della voce genitore, iniettato via JS */
.mobile-nav-menu .sub-menu .mobile-nav-parent-link a {
    font-weight: 600;
    color: rgba(255,255,255,0.8);
}

body.menu-open { overflow: hidden; }

/* ===== ISTRUZIONI ===== */
.istr-lista { padding: 60px 24px; }
.istr-lista-inner { max-width: 960px; margin: 0 auto; display: flex; flex-direction: column; gap: 40px; }

.istr-tratt-block {
    background: #fff;
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 16px;
    padding: 24px;
}
.istr-tratt-header { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.istr-tratt-thumb {
    width: 64px; height: 64px;
    border-radius: 12px;
    background-size: cover;
    background-position: center;
    flex-shrink: 0;
}
.istr-tratt-titolo { font-size: 22px; color: var(--primary); margin: 0; }
.istr-tratt-titolo a { color: inherit; text-decoration: none; }
.istr-tratt-titolo a:hover { text-decoration: underline; }

.istr-pdf-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.istr-pdf-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 10px;
    color: var(--primary);
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s;
}
.istr-pdf-item a:hover { background: var(--primary-08, #f3efe9); border-color: var(--primary); }
.istr-pdf-icon { display: inline-flex; width: 22px; height: 22px; flex-shrink: 0; }
.istr-pdf-icon svg { width: 100%; height: 100%; }
.istr-pdf-name { flex: 1; font-weight: 500; }
.istr-pdf-cta { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }

.tratt-istruzioni { padding: 60px 24px; background: var(--primary-08, #f3efe9); }
.tratt-istruzioni-inner { max-width: 880px; margin: 0 auto; }
.tratt-istruzioni-titolo { font-size: 32px; color: var(--primary); margin-bottom: 24px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .primary-nav { display: none; }
    .hamburger { display: flex; }
    :root { --header-height: 80px; }

    .footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
        padding: 40px 24px;
    }
}

@media (max-width: 640px) {
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 40px 20px;
    }
    .footer-col h4 { margin-bottom: 16px; }

    /* Hero secondarie uniformi */
    .arch-hero,
    .cont-hero,
    .studio-hero { height: 200px !important; min-height: 200px; }

    .arch-hero-titolo,
    .cont-hero-titolo,
    .studio-hero-titolo { font-size: 32px !important; }

    /* Fix fondatore mobile */
    .dottore-fondatore-info-wrap { padding-top: 0 !important; }

    .back-to-top { bottom: 20px; right: 20px; width: 42px; height: 42px; }
    .whatsapp-float { bottom: 20px; left: 20px; width: 50px; height: 50px; }
    .whatsapp-float svg { width: 28px; height: 28px; }

    /* Istruzioni — mobile */
    .istr-lista { padding: 32px 16px; }
    .istr-lista-inner { gap: 24px; }
    .istr-tratt-block { padding: 16px; border-radius: 12px; }
    .istr-tratt-header { gap: 12px; margin-bottom: 12px; }
    .istr-tratt-thumb { width: 48px; height: 48px; border-radius: 8px; }
    .istr-tratt-titolo { font-size: 18px; line-height: 1.3; }

    .istr-pdf-item a {
        flex-wrap: wrap;
        padding: 12px 14px;
        gap: 8px 12px;
    }
    .istr-pdf-name {
        flex: 1 1 100%;
        order: 2;
        font-size: 15px;
        word-break: break-word;
    }
    .istr-pdf-icon { order: 1; }
    .istr-pdf-cta {
        order: 3;
        flex: 1 1 100%;
        font-size: 12px;
        text-align: right;
    }

    .tratt-istruzioni { padding: 40px 16px; }
    .tratt-istruzioni-titolo { font-size: 24px; margin-bottom: 16px; }
}