/* ============================================================= CodiceFiscaleFacile, foglio di stile unico Struttura: token → reset → layout → header → hero → form → risultato → articolo → FAQ → footer → toast Il tema è pilotato dall'attributo data-theme sull'elemento : alla prima visita lo imposta la preferenza di sistema, poi vale la scelta fatta con il pulsante. ============================================================= */ /* ---------- 1. Design token (tema chiaro) ---------- */ :root { /* colori */ --ink: #0b1220; --ink-soft: #364152; --ink-mute: #5b6779; --line: #e4e8f0; --line-strong: #c6cfe0; --surface: #ffffff; --surface-sunk: #f6f8fc; --canvas: #fbfcfe; --sheen: rgba(255, 255, 255, .85); --accent: #1d4ed8; --accent-hi: #3b6bf0; --accent-deep: #12309a; --accent-wash: #eef3ff; /* Testo leggibile sopra una superficie piena color accento. Nel tema scuro l'accento è chiaro, quindi il contrasto si ottiene con testo scuro. */ --on-accent: #ffffff; --ok: #0f7a4f; --ok-wash: #e8f6ef; --danger: #c02434; --danger-wash: #fdeef0; /* forma */ --r-sm: 10px; --r-md: 14px; --r-lg: 22px; --r-xl: 30px; /* ombre stratificate */ --sh-1: 0 1px 2px rgba(11, 18, 32, .05); --sh-2: 0 2px 6px rgba(11, 18, 32, .05), 0 10px 24px -12px rgba(11, 18, 32, .12); --sh-3: 0 1px 3px rgba(11, 18, 32, .05), 0 12px 28px -10px rgba(11, 18, 32, .14), 0 40px 80px -32px rgba(17, 36, 92, .22); /* ombra della card principale: appena percettibile, senza distacco netto */ --sh-soft: 0 1px 2px rgba(11, 18, 32, .04), 0 6px 18px -10px rgba(11, 18, 32, .1); --sh-focus: 0 0 0 3px var(--accent-wash), 0 0 0 4.5px var(--accent); /* ritmo */ --gap: 18px; --pad-x: clamp(20px, 5vw, 40px); --sec-y: clamp(64px, 9vw, 108px); /* tipografia */ --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; --font-mono: ui-monospace, "SF Mono", SFMono-Regular, "JetBrains Mono", Menlo, Consolas, monospace; --ease: cubic-bezier(.22, .68, .32, 1); } /* ---------- 2. Tema scuro ---------- */ :root[data-theme="dark"] { --ink: #eef2f9; --ink-soft: #b3bdcf; --ink-mute: #8e9ab0; --line: #1e2941; --line-strong: #2c3a58; --surface: #101828; --surface-sunk: #0c1322; --canvas: #080c15; --sheen: rgba(255, 255, 255, .12); --accent: #6f92ff; --accent-hi: #8fabff; --accent-deep: #4f74e8; --accent-wash: #1a2440; --on-accent: #0b1220; --ok: #4bd39a; --ok-wash: #10291f; --danger: #ff8a95; --danger-wash: #2a1219; --sh-1: 0 1px 2px rgba(0, 0, 0, .4); --sh-2: 0 2px 6px rgba(0, 0, 0, .35), 0 10px 24px -12px rgba(0, 0, 0, .6); --sh-3: 0 1px 3px rgba(0, 0, 0, .4), 0 14px 32px -10px rgba(0, 0, 0, .6), 0 44px 90px -34px rgba(0, 0, 0, .8); --sh-soft: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 18px -10px rgba(0, 0, 0, .5); --sh-focus: 0 0 0 3px rgba(111, 146, 255, .22), 0 0 0 4.5px var(--accent); } /* Su schermo stretto i margini laterali si riducono al minimo: ogni pixel guadagnato va al contenuto. Vale per tutta la pagina, così le sezioni restano allineate fra loro. */ @media (max-width: 560px) { :root { --pad-x: 10px; } } /* ---------- 3. Reset essenziale ---------- */ *, *::before, *::after { box-sizing: border-box; } html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px; color-scheme: light; } :root[data-theme="dark"] { color-scheme: dark; } body { margin: 0; background: var(--canvas); color: var(--ink); font-family: var(--font); font-size: 17px; line-height: 1.6; letter-spacing: -.006em; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; font-variant-numeric: tabular-nums; overflow-x: hidden; } h1, h2, h3 { margin: 0; line-height: 1.16; letter-spacing: -.028em; font-weight: 650; } p { margin: 0; } ul, ol { margin: 0; padding: 0; list-style: none; } a { color: inherit; text-decoration: none; } svg { display: block; width: 100%; height: 100%; } [hidden] { display: none !important; } button, input { font: inherit; color: inherit; letter-spacing: inherit; } :focus-visible { outline: 2.5px solid var(--accent); outline-offset: 3px; border-radius: 4px; } ::selection { background: var(--accent); color: var(--canvas); } .visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; border: 0; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; } @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; } } /* ---------- 4. Layout ---------- */ .wrap { width: 100%; max-width: 1200px; margin-inline: auto; padding-inline: var(--pad-x); } .skip-link { position: absolute; left: 12px; top: -100px; z-index: 100; padding: 12px 20px; border-radius: var(--r-sm); background: var(--accent); color: var(--on-accent); font-weight: 600; transition: top .18s var(--ease); } .skip-link:focus { top: 12px; } /* ---------- 5. Header ---------- */ .site-header { position: sticky; top: 0; z-index: 40; border-bottom: 1px solid transparent; background: color-mix(in srgb, var(--canvas) 82%, transparent); backdrop-filter: saturate(1.6) blur(14px); -webkit-backdrop-filter: saturate(1.6) blur(14px); transition: border-color .2s var(--ease); } .site-header.is-stuck { border-bottom-color: var(--line); } .header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 68px; } .header-right { display: flex; align-items: center; gap: clamp(14px, 3vw, 28px); } .brand { display: inline-flex; align-items: center; gap: 11px; } /* Lo sprite del marchio non deve occupare spazio né essere raggiungibile. */ .sprite { position: absolute; width: 0; height: 0; overflow: hidden; } /* Il marchio è la stessa icona dell'applicazione: il disegno arriva fino al bordo, quindi l'angolo arrotondato lo mette il contenitore. */ .brand-mark { flex: none; width: 34px; height: 34px; border-radius: 10px; overflow: hidden; box-shadow: 0 4px 12px -3px color-mix(in srgb, var(--accent) 55%, transparent); } .brand-name { font-size: 1.03rem; font-weight: 500; letter-spacing: -.02em; } .brand-name strong { font-weight: 700; } .site-nav { display: flex; gap: clamp(16px, 3vw, 28px); font-size: .95rem; color: var(--ink-soft); } .site-nav a { position: relative; padding: 6px 0; transition: color .16s var(--ease); } .site-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1.5px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .22s var(--ease); } .site-nav a:hover { color: var(--ink); } .site-nav a:hover::after { transform: scaleX(1); } /* La pagina corrente resta segnata: il filetto è già disegnato. */ .site-nav a[aria-current="page"] { color: var(--ink); font-weight: 560; } .site-nav a[aria-current="page"]::after { transform: scaleX(1); } /* --- interruttore del tema --- */ /* I pulsanti quadrati dell'intestazione: tema e condivisione, stessa forma. */ .theme-toggle, .icon-btn { position: relative; display: grid; place-items: center; width: 40px; height: 40px; padding: 0; border: 1px solid var(--line-strong); border-radius: 12px; background: var(--surface); color: var(--ink-soft); cursor: pointer; transition: color .16s var(--ease), border-color .16s var(--ease), background .16s var(--ease), transform .14s var(--ease); } .theme-toggle:hover, .icon-btn:hover { color: var(--accent); border-color: var(--accent); } .theme-toggle:active, .icon-btn:active { transform: scale(.94); } .icon-btn svg { width: 20px; height: 20px; } /* Tema, condivisione e menu stanno vicini fra loro e lontani dalla navigazione. */ .header-tools { display: flex; align-items: center; gap: 8px; } .theme-icon { grid-area: 1 / 1; width: 20px; height: 20px; transition: opacity .2s var(--ease), transform .3s var(--ease); } /* Nel tema chiaro il pulsante propone la luna, e viceversa. */ .theme-icon--sun { opacity: 0; transform: rotate(-70deg) scale(.6); } .theme-icon--moon { opacity: 1; transform: none; } :root[data-theme="dark"] .theme-icon--sun { opacity: 1; transform: none; } :root[data-theme="dark"] .theme-icon--moon { opacity: 0; transform: rotate(70deg) scale(.6); } /* --- menu del telefono --- */ /* Il pulsante riusa la forma dell'interruttore del tema: due controlli affiancati nell'intestazione devono avere lo stesso ingombro. */ .menu-toggle { display: none; place-items: center; width: 40px; height: 40px; padding: 0; border: 1px solid var(--line-strong); border-radius: 12px; background: var(--surface); color: var(--ink-soft); cursor: pointer; transition: color .16s var(--ease), border-color .16s var(--ease); } .menu-toggle:hover { color: var(--accent); border-color: var(--accent); } /* Tre righe: quella centrale è l'elemento, le altre due i suoi pseudo. */ .menu-bars, .menu-bars::before, .menu-bars::after { display: block; width: 18px; height: 1.9px; border-radius: 2px; background: currentColor; transition: transform .24s var(--ease), opacity .16s var(--ease); } .menu-bars { position: relative; } .menu-bars::before, .menu-bars::after { content: ""; position: absolute; } .menu-bars::before { transform: translateY(-6px); } .menu-bars::after { transform: translateY(6px); } /* A menu aperto le righe diventano una croce. */ .nav-open .menu-bars { background: transparent; } .nav-open .menu-bars::before { transform: rotate(45deg); } .nav-open .menu-bars::after { transform: rotate(-45deg); } @media (max-width: 760px) { .menu-toggle { display: grid; } /* Lo stesso