/* ============================================================
   d2ics S.r.l. — Modulo di contatto / supporto
   Token allineati a style.css del sito principale
   ============================================================ */
:root {
    --ink: #0C1826;
    --paper: #F4F6FA;
    --surface: #FFFFFF;
    --line: #DBE3EE;
    --line-strong: #C3CFDF;
    --accent: #1F6FEB;
    --accent-ink: #0B4FB8;
    --accent-soft: #E8F0FE;
    --text: #14222F;
    --muted: #5B6A7A;
    --ok-bg: #E7F6EC;
    --ok-line: #BFE3CD;
    --ok-ink: #12603A;
    --err-bg: #FDECEC;
    --err-line: #F4C7C7;
    --err-ink: #8A1F1F;
    --font-display: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
    --wrap: 1120px;
    --radius: 14px;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    /* footer sempre a fondo pagina, senza position: fixed */
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.6;
    color: var(--text);
    background: var(--paper);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
.container {
    width: 100%;
    max-width: var(--wrap);
    margin-inline: auto;
    padding-inline: clamp(20px, 5vw, 40px);
}

/* ---------- Header ---------- */
/* Senza menu il logo fa da testata: centrato, grande e non sticky
   (una barra così alta bloccata in cima ruberebbe spazio durante la compilazione) */
.site-header {
    background: var(--surface);
    border-bottom: 1px solid var(--line);
}
.bar {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-block: clamp(20px, 3.5vw, 32px);
}
.logo {
    display: inline-flex;
    align-items: center;
    line-height: 0;
}
.logo img {
    height: clamp(56px, 10vw, 96px);
    width: auto;
    max-width: 100%;
    display: block;
}

/* ---------- Area centrale ---------- */
main {
    flex: 1 0 auto;
    padding-block: clamp(32px, 6vw, 64px);
}
.form-card {
    width: 100%;
    max-width: 560px;
    margin-inline: auto;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 14px 40px rgba(12, 24, 38, 0.07);
    padding: clamp(24px, 4vw, 38px);
}
h1 {
    position: relative;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.5rem, 3.2vw, 2rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin: 0 0 0.9rem;
    padding-top: 22px;
}
h1::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 54px;
    height: 4px;
    background: var(--accent);
    border-radius: 4px;
}
.form-intro {
    margin: 0 0 0.45rem;
    color: var(--muted);
    font-size: 0.97rem;
}

/* ---------- Campi ---------- */
.form-required-note {
    margin: 0 0 1.7rem;
    font-size: 0.86rem;
    color: var(--muted);
}
.req, .field:has(:required) label::after {
    color: var(--accent);
    font-weight: 700;
}
/* l'asterisco segue lo stato reale del campo: niente marcatori da tenere a mano */
.field:has(:required) label::after { content: " *"; }
.opt {
    text-transform: none;
    letter-spacing: 0;
    font-weight: 400;
    opacity: 0.8;
}
.field { margin-bottom: 18px; }
label {
    display: block;
    margin-bottom: 7px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
}
input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 12px 14px;
    font-family: var(--font-body);
    /* 16px minimo: sotto questa soglia iOS zooma sul focus */
    font-size: 16px;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--line-strong);
    border-radius: 10px;
    transition: border-color .18s ease, box-shadow .18s ease;
}
textarea {
    min-height: 130px;
    resize: vertical;
    line-height: 1.55;
}
select {
    -webkit-appearance: none;
    appearance: none;
    padding-right: 42px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235B6A7A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 18px 18px;
}
input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
/* i dati di esempio devono leggersi come suggerimento, non come valore inserito */
::placeholder {
    color: var(--muted);
    opacity: 0.62; /* Firefox applica un'opacità propria: la si fissa qui */
}
textarea::placeholder {
    line-height: 1.5;
}

/* si colora solo dopo un tentativo dell'utente, non a campo vuoto appena caricata la pagina */
input:user-invalid,
select:user-invalid,
textarea:user-invalid {
    border-color: var(--err-line);
}

/* ---------- Antispam ---------- */
.captcha-row {
    display: flex;
    align-items: center;
    gap: 12px;
}
.captcha-sum {
    flex-shrink: 0;
    padding: 10px 14px;
    background: var(--accent-soft);
    border-radius: 10px;
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--accent-ink);
    white-space: nowrap;
    user-select: none;
}
.captcha-row input {
    max-width: 120px;
    text-align: center;
    font-family: var(--font-mono);
}
.captcha-hint {
    margin: 8px 0 0;
    font-size: 0.82rem;
    color: var(--muted);
}
.field-error {
    margin: 8px 0 0;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--err-ink);
}
/* trappola per bot: fuori dallo schermo, mai annunciata, mai a fuoco */
.honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* ---------- Pulsante ---------- */
.btn-submit {
    width: 100%;
    margin-top: 6px;
    padding: 14px 26px;
    border: none;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), var(--accent-ink));
    color: #fff;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 16px;
    letter-spacing: 0.01em;
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(31, 111, 235, 0.28);
    transition: filter .2s ease, transform .15s ease, box-shadow .2s ease;
}
.btn-submit:hover {
    filter: brightness(1.08);
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(11, 79, 184, 0.35);
}
.btn-submit:disabled {
    filter: grayscale(0.4);
    opacity: 0.7;
    cursor: default;
    transform: none;
}
.btn-submit:focus-visible {
    outline: 2px solid var(--accent-ink);
    outline-offset: 3px;
}

/* ---------- Esito invio ---------- */
.form-feedback {
    margin-top: 4px;
    padding: 16px 18px;
    border-radius: 12px;
    font-weight: 600;
    text-align: center;
}
.form-feedback.ok {
    background: var(--ok-bg);
    border: 1px solid var(--ok-line);
    color: var(--ok-ink);
}
.form-feedback.err {
    background: var(--err-bg);
    border: 1px solid var(--err-line);
    color: var(--err-ink);
    font-weight: 500;
}
.form-feedback a { color: inherit; text-decoration: underline; }

/* ---------- Footer ---------- */
footer {
    flex-shrink: 0;
    background: var(--ink);
    color: #8496a8;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    letter-spacing: 0.03em;
    text-align: center;
    padding-block: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
footer p { margin: 0; }
footer a {
    color: inherit;
    text-decoration: none;
    transition: color .2s ease;
}
footer a:hover { color: var(--accent); }

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; }
}