/* =========================================================================
   Fritz Hagl — stile mobile-first.
   Identità: accento bordeaux (#800B38) ereditato dall'originale, su base neutra
   chiara, tipografia pulita. Layout a due colonne (menu + contenuto) su desktop,
   menu a comparsa (hamburger) su mobile.
   ========================================================================= */

:root {
    --accent: #800B38;
    --accent-dark: #5d0827;
    --ink: #1c1a1b;
    --muted: #6c6a6b;
    --line: #dcd8d9;
    --bg: #f7f5f5;
    --panel: #ffffff;
    --maxw: 1180px;
    --sidebar: 250px;
    --space: clamp(1rem, 0.6rem + 1.6vw, 1.75rem);
    --radius: 6px;
    --font: "Segoe UI", Tahoma, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--font);
    color: var(--ink);
    background: var(--bg);
    line-height: 1.6;
    font-size: clamp(1rem, 0.97rem + 0.15vw, 1.0625rem);
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover, a:focus { text-decoration: underline; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.skip-link {
    position: absolute; left: -9999px; top: 0;
    background: var(--accent); color: #fff; padding: .6rem 1rem; z-index: 100;
}
.skip-link:focus { left: 0; }

.vh {
    position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---- Header ------------------------------------------------------------- */
.site-header {
    background: var(--panel);
    border-bottom: 3px solid var(--accent);
    position: sticky; top: 0; z-index: 30;
}
.site-header__inner {
    max-width: var(--maxw); margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    gap: 1rem; padding: .75rem var(--space);
}
.brand { display: flex; align-items: center; gap: .9rem; text-decoration: none; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand__logo { width: clamp(160px, 38vw, 300px); height: auto; }
.brand__role {
    font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
    color: var(--muted); white-space: nowrap;
}

/* Hamburger */
.nav-toggle {
    display: inline-flex; flex-direction: column; gap: 5px; justify-content: center;
    width: 44px; height: 44px; padding: 0 9px; background: transparent;
    border: 1px solid var(--line); border-radius: var(--radius); cursor: pointer;
}
.nav-toggle__bar { height: 2px; background: var(--ink); border-radius: 2px; transition: transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- Layout ------------------------------------------------------------- */
.layout { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--space); }
.sidebar { padding: 1rem 0; }
.content { padding: 1.25rem 0 2.5rem; min-width: 0; }

/* ---- Navigazione (sidebar) ---------------------------------------------- */
.nav__group { list-style: none; margin: 0 0 1rem; padding: 0; border-top: 1px solid var(--line); }
.nav__item { border-bottom: 1px solid var(--line); }
.nav__link {
    display: block; padding: .6rem .25rem; color: var(--ink); font-size: .82rem;
    letter-spacing: .06em; text-transform: uppercase; text-decoration: none;
}
.nav__link:hover { color: var(--accent); text-decoration: none; }
.nav__link.is-active { color: var(--accent); font-weight: 700; border-left: 3px solid var(--accent); padding-left: .6rem; }

.lang-switch { margin-top: 1.5rem; }
.lang-switch__list { list-style: none; margin: 0; padding: 0; }
.lang-switch__item { margin: .15rem 0; }
.lang-switch__link, .lang-switch__current { font-size: .8rem; }
.lang-switch__current { color: var(--accent); font-weight: 700; }

/* ---- Contenuto / prose -------------------------------------------------- */
.page__head { margin-bottom: 1.25rem; border-bottom: 1px solid var(--line); padding-bottom: .75rem; }
.page__title { font-size: clamp(1.35rem, 1.1rem + 1.4vw, 2rem); margin: 0; color: var(--accent); line-height: 1.2; }
.page__subtitle { margin: .35rem 0 0; color: var(--muted); font-size: 1.05rem; }

.prose { max-width: 70ch; }
.prose img { margin: 1rem 0; border-radius: var(--radius); }
.prose h2, .prose h3, .prose h4 { color: var(--ink); line-height: 1.25; margin: 1.8rem 0 .6rem; }
.prose a { text-decoration: underline; }

/* Immagini interne ai testi migrati (classi legacy) */
.prose .inhalt_re { float: right; max-width: 45%; margin: .3rem 0 1rem 1.5rem; }
.prose .inhalt_solo, .prose .w_subtitle { margin: 1.2rem 0; }
.prose .image_right_subtitle { float: right; max-width: 45%; margin: .3rem 0 1rem 1.5rem; }
.prose .image_left_subtitle { float: left; max-width: 45%; margin: .3rem 1.5rem 1rem 0; }
.prose .subtitle_under_soloimage, .prose .display_subtitle { font-size: .85rem; color: var(--muted); }
.prose .single_link { margin: .5rem 0; }
.prose .pr_500 { margin: 1.2rem 0; }

.notice { background: var(--panel); border: 1px dashed var(--line); border-left: 3px solid var(--accent); padding: 1rem; color: var(--muted); }

/* Elementi dei testi migrati */
.prose .credit { color: var(--muted); font-size: .9rem; font-style: italic; margin-top: 1.5rem; }
.prose .solo_image { margin: 1.5rem 0; text-align: center; }
.prose .title { color: var(--accent); }
.prose .copy { color: var(--muted); font-size: .9rem; border-top: 1px solid var(--line); padding-top: 1rem; margin-top: 1.5rem; }

/* Elenco saggi (pagina "Über das Werk") */
.essay-list ul { list-style: none; margin: 1.5rem 0 0; padding: 0; display: grid; gap: .6rem; }
.essay-list__link { display: block; padding: .85rem 1.1rem; background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: var(--radius); }
.essay-list__link:hover { text-decoration: none; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,.08); }
.essay-list__title { display: block; font-weight: 600; color: var(--ink); }
.essay-list__author { display: block; font-size: .85rem; color: var(--muted); margin-top: .15rem; }

/* ---- Galleria: categorie ------------------------------------------------ */
.gallery-cats { display: grid; gap: .75rem; margin-top: 1.5rem; grid-template-columns: 1fr; }
.gallery-cat {
    display: block; padding: 1rem 1.1rem; background: var(--panel); border: 1px solid var(--line);
    border-left: 4px solid var(--accent); border-radius: var(--radius); color: var(--ink);
    font-weight: 600; transition: transform .15s, box-shadow .15s;
}
.gallery-cat:hover { text-decoration: none; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,.08); }

/* ---- Griglia opere ------------------------------------------------------ */
.grid { list-style: none; margin: 1.5rem 0 0; padding: 0; display: grid; gap: clamp(1rem, 2vw, 1.75rem);
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.thumb { display: flex; flex-direction: column; gap: .5rem; align-items: center; text-align: center; color: var(--ink); }
.thumb:hover { text-decoration: none; }
.thumb__img { border: 1px solid var(--line); background: var(--panel); transition: box-shadow .15s, transform .15s; }
.thumb:hover .thumb__img, .thumb:focus .thumb__img { box-shadow: 0 6px 18px rgba(0,0,0,.12); transform: translateY(-2px); }
.thumb__caption { font-size: .78rem; color: var(--muted); line-height: 1.35; }

/* ---- Singola opera ------------------------------------------------------ */
.artwork__nav { display: flex; align-items: center; justify-content: space-between; gap: .5rem; margin-bottom: 1.25rem; }
.artwork__navlink { padding: .5rem .9rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); font-weight: 600; }
.artwork__navlink:hover { text-decoration: none; border-color: var(--accent); color: var(--accent); }
.artwork__navlink.is-disabled { color: var(--line); border-style: dashed; }
.artwork__navlink--back { flex: 1; text-align: center; }
.artwork__figure { margin: 0; text-align: center; }
.artwork__img { margin: 0 auto; border: 1px solid var(--line); background: var(--panel); }
.artwork__caption { margin-top: .75rem; color: var(--muted); font-size: .92rem; }

/* ---- Contatti / link ---------------------------------------------------- */
.contact__name { font-weight: 700; font-size: 1.1rem; margin: 0 0 .25rem; }
.contact__address { font-style: normal; color: var(--ink); }
.contact__line { display: block; }
.contact__details { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1rem; margin-top: 1rem; }
.contact__details dt { color: var(--muted); }
.contact__details dd { margin: 0; }

.link-list { list-style: none; margin: 1.25rem 0 0; padding: 0; display: grid; gap: 1rem; }
.link-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.15rem; }
.link-card__title { margin: 0 0 .35rem; font-size: 1.05rem; }
.link-card__url { font-weight: 600; }
.link-card__desc { margin: .4rem 0 0; color: var(--muted); }

/* ---- Footer ------------------------------------------------------------- */
.site-footer { background: var(--panel); border-top: 1px solid var(--line); margin-top: 2rem; }
.site-footer__inner { max-width: var(--maxw); margin: 0 auto; padding: 1.25rem var(--space);
    display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; align-items: center; justify-content: space-between; }
.site-footer__links { list-style: none; display: flex; flex-wrap: wrap; gap: 1rem; margin: 0; padding: 0; font-size: .85rem; }
.site-footer__copy { margin: 0; color: var(--muted); font-size: .82rem; }
.site-footer__powered { margin: 0; color: var(--muted); font-size: .82rem; }
.site-footer__powered a { color: inherit; text-decoration: underline; }

/* ---- Mobile: menu a comparsa ------------------------------------------- */
@media (max-width: 859px) {
    .sidebar { display: none; }
    .sidebar.is-open { display: block; border-bottom: 1px solid var(--line); }
    .brand__role { display: none; }
}

/* ---- Desktop: due colonne ---------------------------------------------- */
@media (min-width: 860px) {
    .nav-toggle { display: none; }
    .layout { display: grid; grid-template-columns: var(--sidebar) 1fr; gap: clamp(1.5rem, 3vw, 3rem); }
    .sidebar { display: block !important; position: sticky; top: 96px; align-self: start; }
    .gallery-cats { grid-template-columns: 1fr 1fr; }
}