/* ==========================================================================
   Luciosoft — Privacy Policy Design System
   Modern theme matching luciosoft.it preview (Inter + Instrument Serif,
   clean studio layout, warm obsidian & accent palette).
   ========================================================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg: #FAFAFA;
    --surface: #FFFFFF;
    --card: #F4F4F6;
    --card-hover: #F8F8FA;
    --ink: #0A0A0C;
    --ink-2: #3F3F46;
    --muted: #71717A;
    --line: rgba(10, 10, 12, 0.08);
    --line-2: rgba(10, 10, 12, 0.14);
    --accent: #FC8A4C;
    --accent-hover: #EA580C;
    --accent-soft: rgba(252, 138, 76, 0.10);
    --accent-border: rgba(252, 138, 76, 0.28);
    --success: #107A57;
    --success-soft: rgba(16, 122, 87, 0.10);
    --danger: #DC2626;
    --danger-soft: rgba(220, 38, 38, 0.10);
    --maxw: 880px;
    --r-lg: 24px;
    --r-md: 16px;
    --r-sm: 10px;
    --shadow-sm: 0 1px 3px rgba(10, 10, 12, 0.04);
    --shadow-md: 0 1px 2px rgba(10, 10, 12, 0.04), 0 16px 40px -12px rgba(10, 10, 12, 0.07);
    --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --serif: 'Instrument Serif', Georgia, 'Times New Roman', serif;
}

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

body {
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--ink-2);
    background:
        radial-gradient(110% 70% at 50% 0%, rgba(252, 138, 76, 0.05) 0%, transparent 60%),
        var(--bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* ---------------- Top Navbar ---------------- */
.site-header {
    border-bottom: 1px solid var(--line);
    background: rgba(250, 250, 250, 0.90);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    position: sticky;
    top: 0;
    z-index: 50;
}

.site-header-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--ink);
}

.brand img {
    height: 24px;
    width: auto;
    display: block;
}

.brand-sep {
    color: var(--line-2);
    font-weight: 300;
    font-size: 0.95rem;
}

.brand-sub {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--muted);
    letter-spacing: -0.01em;
}

.header-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.84rem;
    font-weight: 500;
    color: var(--muted);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 999px;
    background: transparent;
    transition: all 0.2s ease;
}

.header-back:hover {
    color: var(--ink);
    background: var(--card);
}

.header-back svg {
    width: 14px;
    height: 14px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

/* ---------------- Container & Card ---------------- */
.container {
    width: 100%;
    max-width: var(--maxw);
    margin: 36px auto 60px;
    padding: 0 24px;
    flex: 1 0 auto;
}

.container--hub {
    max-width: 640px;
    margin: 48px auto 70px;
}

.container--narrow {
    max-width: 580px;
    margin: 48px auto 70px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-md);
    padding: 52px 56px;
}

.card--hub {
    padding: 44px 40px;
    text-align: center;
}

/* ---------------- Typography ---------------- */
.eyebrow {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}

h1 {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--ink);
    line-height: 1.18;
    margin-bottom: 14px;
}

.serif {
    font-family: var(--serif);
    font-style: italic;
    font-weight: 400;
}

.subtitle {
    font-size: 1.02rem;
    color: var(--muted);
    margin-bottom: 24px;
    line-height: 1.6;
}

.meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--muted);
    margin-bottom: 34px;
}

.meta-pill svg {
    width: 13px;
    height: 13px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

h2 {
    font-size: 1.32rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-top: 40px;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
}

h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--ink);
    margin-top: 24px;
    margin-bottom: 10px;
}

p {
    margin-bottom: 16px;
    color: var(--ink-2);
}

a {
    color: var(--ink);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--accent);
}

ul,
ol {
    margin: 0 0 20px 24px;
    padding: 0;
}

li {
    margin-bottom: 8px;
    color: var(--ink-2);
}

strong {
    color: var(--ink);
    font-weight: 600;
}

.legal-basis {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    background: var(--card);
    border: 1px solid var(--line);
    font-size: 0.8rem;
    color: var(--muted);
    margin: 6px 0 16px;
}

/* ---------------- Highlight & Info Boxes ---------------- */
.highlight {
    background: var(--accent-soft);
    border: 1px solid var(--accent-border);
    border-left: 4px solid var(--accent);
    border-radius: var(--r-sm);
    padding: 18px 22px;
    margin: 24px 0;
    color: var(--ink);
    font-size: 0.96rem;
    line-height: 1.6;
}

.contact-box,
.email-box {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    padding: 22px 26px;
    margin: 24px 0;
}

.contact-box p,
.email-box p {
    margin-bottom: 8px;
}

.contact-box p:last-child,
.email-box p:last-child {
    margin-bottom: 0;
}

/* ---------------- Tables ---------------- */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 24px 0;
    border: 1px solid var(--line);
    border-radius: var(--r-sm);
    overflow: hidden;
    font-size: 0.92rem;
}

th,
td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--line);
}

th {
    background: var(--card);
    color: var(--ink);
    font-weight: 600;
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

tr:last-child td {
    border-bottom: none;
}

/* ---------------- Hub List (index.html) ---------------- */
.app-list {
    list-style: none;
    margin: 28px 0;
    padding: 0;
    display: grid;
    gap: 12px;
}

.app-item {
    margin: 0;
}

.app-link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    text-decoration: none;
    color: var(--ink);
    box-shadow: var(--shadow-sm);
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.app-link:hover {
    transform: translateY(-2px);
    border-color: rgba(10, 10, 12, 0.22);
    box-shadow: 0 12px 28px -8px rgba(10, 10, 12, 0.09);
}

.app-link .app-icon {
    width: 44px;
    height: 44px;
    border-radius: 11px;
    box-shadow: 0 2px 8px rgba(10, 10, 12, 0.08);
    flex: 0 0 auto;
    object-fit: cover;
    display: block;
}

.app-link-info {
    flex: 1 1 auto;
    min-width: 0;
    text-align: left;
}

.app-link-title {
    font-weight: 600;
    font-size: 1.02rem;
    color: var(--ink);
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: 1.25;
}

.app-link-tag {
    font-size: 0.8rem;
    color: var(--muted);
    margin-top: 3px;
    line-height: 1.35;
}

.app-link-arrow {
    color: var(--muted);
    transition: transform 0.2s ease, color 0.2s ease;
    flex: 0 0 auto;
    display: inline-flex;
}

.app-link-arrow svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
}

.app-link:hover .app-link-arrow {
    color: var(--ink);
    transform: translateX(3px);
}

/* ---------------- Buttons ---------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.92rem;
    font-weight: 600;
    border-radius: 999px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background: var(--ink);
    color: #fff;
    box-shadow: 0 2px 8px rgba(10, 10, 12, 0.15);
}

.btn-primary:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(252, 138, 76, 0.25);
}

.btn-ghost {
    background: var(--card);
    color: var(--ink);
    border: 1px solid var(--line);
}

.btn-ghost:hover {
    background: var(--card-hover);
    border-color: var(--line-2);
}

/* ---------------- Interactive Flow / State ---------------- */
.loader {
    border: 3px solid var(--line);
    border-top: 3px solid var(--accent);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    animation: spin 0.9s linear infinite;
    margin: 0 auto 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hidden {
    display: none !important;
}

.state-message {
    padding: 16px 20px;
    border-radius: var(--r-sm);
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.state-message.success {
    background: var(--success-soft);
    color: var(--success);
    border: 1px solid rgba(16, 122, 87, 0.25);
}

.state-message.error {
    background: var(--danger-soft);
    color: var(--danger);
    border: 1px solid rgba(220, 38, 38, 0.25);
}

/* ---------------- Footer ---------------- */
.site-footer {
    border-top: 1px solid var(--line);
    background: var(--surface);
    padding: 28px 24px;
    color: var(--muted);
    font-size: 0.84rem;
    margin-top: auto;
}

.site-footer-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.site-footer a {
    color: var(--muted);
    text-decoration: none;
    transition: color 0.15s ease;
}

.site-footer a:hover {
    color: var(--ink);
}

.footer-nav {
    display: flex;
    gap: 18px;
    list-style: none;
    margin: 0;
    padding: 0;
}

/* ---------------- Language Selector & Switching ---------------- */
.header-actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.lang {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 2px;
    border: 1px solid var(--line-2);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.7);
}

.lang button {
    padding: 4px 8px;
    border: 0;
    border-radius: 999px;
    background: none;
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .08em;
    color: var(--muted);
    cursor: pointer;
    transition: background .2s ease, color .2s ease;
    line-height: 1;
    font-family: var(--sans);
}

.lang button.is-active,
html[lang="it"] .lang button[data-lang="it"],
html[lang="en"] .lang button[data-lang="en"] {
    background: var(--ink);
    color: #fff;
    cursor: default;
}

html[lang="it"] .lang button[data-lang="en"],
html[lang="en"] .lang button[data-lang="it"] {
    background: none;
    color: var(--muted);
    cursor: pointer;
}

html[lang="it"] [data-lang-block="en"],
html[lang="en"] [data-lang-block="it"] {
    display: none !important;
}

html[lang="it"] [data-lang-inline="en"],
html[lang="en"] [data-lang-inline="it"] {
    display: none !important;
}

/* ---------------- Responsive ---------------- */
@media (max-width: 680px) {
    .container {
        margin: 20px auto 40px;
        padding: 0 16px;
    }

    .card {
        padding: 30px 22px;
        border-radius: var(--r-md);
    }

    h1 {
        font-size: 1.8rem;
    }

    .site-header-inner {
        padding: 12px 16px;
    }

    .header-actions {
        gap: 6px;
    }

    .site-footer-inner {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .footer-nav {
        justify-content: center;
    }
}