/* ============================================================
   Trilussa Palace — global navigation header
   Shared across apex / spa / rooftop sub-sites.
   Tokens align with apex (gold #C4AC8E, dark #1a1410, soft #2C2825).
   ============================================================ */

:root {
    --tn-bg-solid: #1a1410;
    --tn-bg-solid-soft: #2C2825;
    --tn-text: #F5EFE6;
    --tn-muted: #B8AC9C;
    --tn-accent: #C4AC8E;
    --tn-accent-strong: #D8C4A8;
    --tn-border-soft: rgba(245, 239, 230, 0.12);
    --tn-bar-h: 68px;
    --tn-bar-h-shrunk: 54px;
    --tn-z: 100;
    --tn-ease: cubic-bezier(0.2, 0.7, 0.2, 1);
    --tn-font-display: 'Cormorant Garamond', Georgia, serif;
    --tn-font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

.tn-skiplink {
    position: absolute;
    top: -100px;
    left: 16px;
    background: var(--tn-bg-solid);
    color: var(--tn-text);
    padding: 8px 14px;
    z-index: 1000;
    text-decoration: none;
    border-radius: 2px;
}
.tn-skiplink:focus { top: 12px; }

/* ─── Header shell ────────────────────────────────────────── */
.tn-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--tn-z);
    color: var(--tn-text);
    font-family: var(--tn-font-body);
    background: transparent;
    transition: background 0.35s var(--tn-ease), backdrop-filter 0.35s var(--tn-ease), box-shadow 0.35s var(--tn-ease);
}

/* Trasparente sopra hero, solido scrollando */
.tn-header.tn-header--solid {
    background: rgba(26, 20, 16, 0.92);
    backdrop-filter: blur(14px) saturate(120%);
    -webkit-backdrop-filter: blur(14px) saturate(120%);
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
}

/* Per pagine senza hero (es. galleria/contatti) il header è sempre solido */
.tn-header.tn-header--always-solid {
    background: rgba(26, 20, 16, 0.96);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.tn-bar {
    height: var(--tn-bar-h);
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 0 28px;
    transition: height 0.35s var(--tn-ease);
}
.tn-header--solid .tn-bar { height: var(--tn-bar-h-shrunk); }

/* ─── Logo ────────────────────────────────────────────────── */
.tn-logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    line-height: 0;
    flex-shrink: 0;
    transition: opacity 0.3s var(--tn-ease), transform 0.3s var(--tn-ease);
}
.tn-logo img {
    height: 44px;
    width: auto;
    transition: height 0.35s var(--tn-ease);
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.35));
}
.tn-header--solid .tn-logo img { height: 36px; }

/* On hero pages (transparent header) hide the small logo — the hero already shows
   the brand at full size. Logo fades in only when header turns solid. */
.tn-header:not(.tn-header--solid):not(.tn-header--always-solid):not([data-tn-mobile-open="true"]) .tn-logo {
    opacity: 0;
    pointer-events: none;
}

/* ─── Primary nav ─────────────────────────────────────────── */
.tn-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin: 0 auto 0 12px;
}

.tn-link, .tn-link:visited {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    color: var(--tn-text);
    text-decoration: none;
    font-size: 0.92rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 500;
    border-radius: 2px;
    position: relative;
    transition: color 0.2s ease;
}
.tn-link:hover, .tn-link:focus-visible { color: var(--tn-accent); outline: none; }

.tn-link[aria-expanded="true"] { color: var(--tn-accent); }

/* Active section underline */
.tn-link.tn-link--active::after {
    content: '';
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: -2px;
    height: 2px;
    background: var(--tn-accent);
}

/* External link arrow */
.tn-link--ext { font-size: 0.85rem; }
.tn-link--ext .tn-ext-icon { font-size: 0.75em; opacity: 0.7; }

.tn-caret {
    display: inline-block;
    font-size: 0.65em;
    transition: transform 0.2s ease;
    margin-top: 2px;
}
.tn-link[aria-expanded="true"] .tn-caret { transform: rotate(180deg); }

/* ─── Dropdown / Megamenu ─────────────────────────────────── */
.tn-dropdown {
    position: relative;
}

.tn-mega {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    width: 720px;
    max-width: calc(100vw - 56px);
    background: rgba(26, 20, 16, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--tn-border-soft);
    border-radius: 4px;
    padding: 24px;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
    gap: 28px;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity 0.22s var(--tn-ease), transform 0.22s var(--tn-ease);
}
.tn-mega--single { grid-template-columns: 280px minmax(0, 1fr); width: 600px; }

.tn-dropdown[data-tn-open="true"] .tn-mega {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.tn-mega-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    align-items: start;
}
.tn-mega--single .tn-mega-grid { grid-template-columns: 1fr; }

.tn-mega-card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: var(--tn-text);
    border-radius: 3px;
    overflow: hidden;
    background: var(--tn-bg-solid-soft);
    transition: transform 0.25s var(--tn-ease);
    align-self: start;
}
.tn-mega-card:hover, .tn-mega-card:focus-visible {
    transform: translateY(-2px);
    outline: none;
}
.tn-mega-card picture {
    display: block;
    position: relative;
    width: 100%;
    padding-bottom: 66.67%; /* 3:2 aspect ratio */
    overflow: hidden;
    background: #000;
}
.tn-mega-card picture img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--tn-ease);
}
.tn-mega-card:hover picture img { transform: scale(1.04); }
.tn-mega--single .tn-mega-card picture { padding-bottom: 56.25%; /* 16:9 for hero shot */ }
.tn-mega-card-title {
    padding: 10px 12px 2px;
    font-family: var(--tn-font-display);
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.01em;
}
.tn-mega-card-sub {
    padding: 0 12px 12px;
    color: var(--tn-muted);
    font-size: 0.78rem;
    line-height: 1.35;
}

.tn-mega-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tn-mega-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 24px;
}

.tn-mega-list h4 {
    font-family: var(--tn-font-body);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--tn-muted);
    margin: 0 0 8px;
}
.tn-mega-list a {
    display: block;
    padding: 5px 0;
    color: var(--tn-text);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.18s ease, padding-left 0.2s ease;
}
.tn-mega-list a:hover, .tn-mega-list a:focus-visible {
    color: var(--tn-accent);
    padding-left: 4px;
    outline: none;
}
.tn-mega-list a.tn-mega-current {
    color: var(--tn-accent);
}

.tn-mega-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 4px;
    padding: 12px 20px;
    background: var(--tn-accent);
    color: var(--tn-bg-solid);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 2px;
    transition: background 0.2s ease;
}
.tn-mega-cta:hover, .tn-mega-cta:focus-visible {
    background: var(--tn-accent-strong);
    outline: none;
}

/* ─── Right side actions ──────────────────────────────────── */
.tn-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

.tn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--tn-text);
    border-radius: 50%;
    transition: background 0.2s ease, color 0.2s ease;
}
.tn-icon:hover, .tn-icon:focus-visible {
    background: rgba(245, 239, 230, 0.08);
    color: var(--tn-accent);
    outline: none;
}
.tn-icon svg { display: block; }

.tn-lang {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
}
.tn-lang-btn {
    background: none;
    border: 0;
    color: var(--tn-muted);
    font: inherit;
    padding: 4px 6px;
    cursor: pointer;
    text-transform: uppercase;
    transition: color 0.18s ease;
}
.tn-lang-btn:hover, .tn-lang-btn:focus-visible { color: var(--tn-text); outline: none; }
.tn-lang-btn.tn-lang-active { color: var(--tn-accent); }

/* Contextual CTA — subtler "Prenota Camera" on apex, prominent on section pages */
.tn-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    background: var(--tn-accent);
    color: var(--tn-bg-solid);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: 2px;
    transition: background 0.2s ease, transform 0.2s ease;
}
.tn-cta:hover, .tn-cta:focus-visible {
    background: var(--tn-accent-strong);
    transform: translateY(-1px);
    outline: none;
}

/* Quieter "PRENOTA CAMERA" variant for apex (Marco wants less spazio) */
.tn-cta--ghost {
    background: transparent;
    color: var(--tn-text);
    border: 1px solid var(--tn-border-soft);
    font-weight: 500;
}
.tn-cta--ghost:hover, .tn-cta--ghost:focus-visible {
    background: rgba(245, 239, 230, 0.08);
    border-color: var(--tn-accent);
    color: var(--tn-accent);
    transform: none;
}

/* Hamburger (visible mobile, hidden desktop) */
.tn-burger {
    display: none;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 0;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
    padding: 0;
    margin: 0;
    color: var(--tn-text);
    border-radius: 2px;
    -webkit-tap-highlight-color: transparent;
    box-shadow: none;
    outline: none;
}
.tn-burger:hover { color: var(--tn-accent); }
.tn-burger:focus { outline: none; }
.tn-burger:focus-visible {
    outline: 2px solid var(--tn-accent);
    outline-offset: -2px;
}
.tn-burger-icon {
    display: block;
    position: relative;
    margin: 0 auto;
    width: 22px;
    height: 14px;
}
.tn-burger-icon span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: currentColor;
    transition: transform 0.3s var(--tn-ease), opacity 0.2s ease, top 0.3s var(--tn-ease);
}
.tn-burger-icon span:nth-child(1) { top: 0; }
.tn-burger-icon span:nth-child(2) { top: 6px; }
.tn-burger-icon span:nth-child(3) { top: 12px; }

.tn-burger[aria-expanded="true"] .tn-burger-icon span:nth-child(1) { top: 6px; transform: rotate(45deg); }
.tn-burger[aria-expanded="true"] .tn-burger-icon span:nth-child(2) { opacity: 0; }
.tn-burger[aria-expanded="true"] .tn-burger-icon span:nth-child(3) { top: 6px; transform: rotate(-45deg); }

/* ─── Breadcrumb (inner pages) ────────────────────────────── */
.tn-breadcrumb {
    padding: 8px 28px;
    font-size: 0.78rem;
    background: rgba(26, 20, 16, 0.85);
    border-top: 1px solid var(--tn-border-soft);
}
.tn-breadcrumb ol {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}
.tn-breadcrumb li { color: var(--tn-muted); }
.tn-breadcrumb li::after { content: '›'; margin-left: 8px; opacity: 0.6; }
.tn-breadcrumb li:last-child::after { content: ''; }
.tn-breadcrumb li:last-child { color: var(--tn-text); }
.tn-breadcrumb a {
    color: var(--tn-muted);
    text-decoration: none;
    transition: color 0.18s ease;
}
.tn-breadcrumb a:hover { color: var(--tn-accent); }

/* ─── Mobile panel ────────────────────────────────────────── */
/* Full-screen panel (covers bar contents). Burger sits on top via z-index. */
.tn-mobile {
    position: fixed;
    inset: 0;
    background: rgba(26, 20, 16, 0.985);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: calc(var(--tn-z) - 1);
    overflow-y: auto;
    padding: 80px 24px 40px;
    display: flex;
    flex-direction: column;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s var(--tn-ease), opacity 0.3s var(--tn-ease);
}
.tn-header[data-tn-mobile-open="true"] .tn-mobile {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

/* When mobile menu is open: hide bar chrome (logo + section nav), keep only the X.
   Bar background goes transparent so the panel reads as full-screen. */
.tn-header[data-tn-mobile-open="true"] {
    background: transparent !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}
.tn-header[data-tn-mobile-open="true"] .tn-logo,
.tn-header[data-tn-mobile-open="true"] .tn-nav {
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
}
.tn-header[data-tn-mobile-open="true"] .tn-burger {
    position: relative;
    z-index: calc(var(--tn-z) + 2);
}

.tn-mobile-section {
    border-bottom: 1px solid var(--tn-border-soft);
    padding: 14px 0;
}
.tn-mobile-section:last-child { border-bottom: 0; }

.tn-mobile-section > a, .tn-mobile-toggle {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    background: transparent;
    border: 0;
    padding: 10px 0;
    color: var(--tn-text);
    font: inherit;
    font-family: var(--tn-font-display);
    font-size: 1.5rem;
    letter-spacing: 0.02em;
    cursor: pointer;
    text-decoration: none;
    text-align: left;
}
.tn-mobile-toggle .tn-caret { font-size: 0.65em; transition: transform 0.25s ease; }
.tn-mobile-toggle[aria-expanded="true"] .tn-caret { transform: rotate(180deg); }

.tn-mobile-sub {
    display: none;
    padding: 6px 0 14px;
    flex-direction: column;
    gap: 4px;
}
.tn-mobile-toggle[aria-expanded="true"] + .tn-mobile-sub { display: flex; }
.tn-mobile-sub a {
    color: var(--tn-text);
    opacity: 0.85;
    text-decoration: none;
    padding: 8px 0;
    font-size: 1rem;
    letter-spacing: 0.04em;
}
.tn-mobile-sub a:hover, .tn-mobile-sub a:focus-visible { color: var(--tn-accent); opacity: 1; outline: none; }
.tn-mobile-sub a.tn-mega-current { color: var(--tn-accent); }
.tn-mobile-sub .tn-mobile-cta {
    margin-top: 8px;
    padding: 12px 18px;
    background: var(--tn-accent);
    color: var(--tn-bg-solid);
    border-radius: 2px;
    text-align: center;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 0.85rem;
}


/* ─── Body offset (so content isn't hidden under fixed header) ── */
/* Pages opt-in by adding data-tn-offset="auto" to <body>. Hero pages skip. */
body[data-tn-offset="auto"] {
    padding-top: var(--tn-bar-h);
}

/* ─── Responsive ──────────────────────────────────────────── */
@media (max-width: 960px) {
    /* Keep nav visible but compact: only SPA + Rooftop direct links, no megamenu */
    .tn-nav {
        margin: 0 0 0 auto;
        gap: 0;
    }
    .tn-link--ext { display: none; }            /* Hotel hidden — accessible via burger */
    .tn-dropdown .tn-link {
        padding: 8px 10px;
        font-size: 0.78rem;
        letter-spacing: 0.08em;
    }
    .tn-dropdown .tn-link .tn-caret { display: none; }  /* No dropdown indicator on header buttons (mobile uses direct nav) */
    .tn-mega { display: none !important; }      /* No megamenu on mobile (use burger) */
    /* Hide ONLY the chrome copies — the mobile-foot copies stay visible inside burger */
    .tn-actions .tn-cta,
    .tn-actions .tn-icon,
    .tn-actions .tn-lang { display: none; }
    .tn-burger { display: inline-flex; align-items: center; justify-content: center; }
    .tn-actions { gap: 4px; margin-left: 8px; }
    .tn-bar { padding: 0 14px; gap: 8px; }
}

@media (max-width: 480px) {
    .tn-logo img { height: 36px; }
    .tn-header--solid .tn-logo img { height: 30px; }
    :root { --tn-bar-h: 60px; --tn-bar-h-shrunk: 50px; }
    .tn-dropdown .tn-link { padding: 8px 8px; font-size: 0.72rem; letter-spacing: 0.06em; }
    .tn-bar { padding: 0 10px; gap: 4px; }
}

@media (max-width: 360px) {
    /* On tiny screens fall back to burger only */
    .tn-nav { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .tn-header, .tn-bar, .tn-logo img, .tn-mega, .tn-mobile, .tn-mega-card img, .tn-cta {
        transition: none;
    }
}