/* ==========================================================================
   SCIALANZA — sito istituzionale
   Colori ufficiali del marchio: giallo #FFE733, nero #000000, bianco #FFFFFF
   ========================================================================== */

@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  src: url('../fonts/archivo.woff2') format('woff2-variations');
}

:root {
  --giallo: #ffe733;
  --giallo-scuro: #e8cf1c;
  --nero: #000000;
  --bianco: #ffffff;
  --verde: #6e9163;
  --grigio: #f2f1ec;
  --grigio-testo: #5a5a55;

  --max: 1180px;
  --gutter: 20px;

  --sp-sezione: clamp(72px, 10vw, 140px);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--bianco);
  color: var(--nero);
  font-family: 'Archivo', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; height: auto; display: block; }

a { color: inherit; }

/* --------------------------------------------------------- tipografia -- */

h1, h2, h3 {
  margin: 0;
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.028em;
  text-wrap: balance;
}

h2 {
  font-size: clamp(2.1rem, 5.4vw, 3.9rem);
  font-stretch: 92%;
}

h3 {
  font-size: clamp(1.18rem, 2vw, 1.42rem);
  line-height: 1.18;
  letter-spacing: -0.018em;
}

p { margin: 0 0 1.1em; text-wrap: pretty; }
p:last-child { margin-bottom: 0; }

.lead {
  font-size: clamp(1.1rem, 1.9vw, 1.35rem);
  line-height: 1.5;
  font-weight: 450;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 34px;
  height: 3px;
  background: currentColor;
  flex: none;
}

.marker {
  background: var(--giallo);
  box-shadow: 0 0 0 4px var(--giallo);
  border-radius: 1px;
}

/* ----------------------------------------------------------- struttura -- */

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

section { padding-block: var(--sp-sezione); }

.sez--nera   { background: var(--nero);   color: var(--bianco); }
.sez--gialla { background: var(--giallo); color: var(--nero); }
.sez--grigia { background: var(--grigio); color: var(--nero); }

.sez--nera .marker { color: var(--nero); }

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--nero);
  color: var(--giallo);
  padding: 12px 18px;
  font-weight: 700;
  z-index: 200;
}
.skip:focus { left: 8px; top: 8px; }

:focus-visible {
  outline: 3px solid var(--nero);
  outline-offset: 3px;
}
.sez--nera :focus-visible,
.site-footer :focus-visible { outline-color: var(--giallo); }

/* ----------------------------------------------------------- pulsanti -- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border: 2px solid var(--nero);
  border-radius: 999px;
  background: var(--nero);
  color: var(--giallo);
  font: inherit;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 0 rgba(0,0,0,.22); }
.btn:active { transform: translateY(0); box-shadow: none; }

.btn--giallo {
  background: var(--giallo);
  color: var(--nero);
  border-color: var(--giallo);
}
.btn--giallo:hover { box-shadow: 0 6px 0 rgba(255,231,51,.3); }

.btn--vuoto {
  background: transparent;
  color: var(--nero);
}
.btn--vuoto:hover { background: var(--nero); color: var(--giallo); }

/* ------------------------------------------------------------- navbar -- */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--giallo);
  border-bottom: 2px solid var(--nero);
}

.nav__in {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 68px;
  padding-block: 10px;
}

.nav__logo { flex: none; line-height: 0; }
.nav__logo img { width: clamp(132px, 17vw, 168px); height: auto; }

.nav__links {
  display: flex;
  gap: 26px;
  margin-left: auto;
  list-style: none;
  padding: 0;
  margin-block: 0;
}

.nav__links a {
  font-size: 0.93rem;
  font-weight: 650;
  text-decoration: none;
  padding-block: 4px;
  border-bottom: 2px solid transparent;
}
.nav__links a:hover { border-bottom-color: var(--nero); }

.nav .btn { padding: 11px 22px; font-size: 0.92rem; flex: none; }

.nav__toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 2px solid var(--nero);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  line-height: 0;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 2.5px;
  background: var(--nero);
  margin: 4px 0;
}

.solo-mobile { display: none; }

@media (max-width: 880px) {
  .solo-mobile { display: block; }
  .nav__links,
  .nav > .wrap > .nav__in > .btn { display: none; }
  .nav__toggle { display: block; }
  .nav--aperta .nav__links {
    display: flex;
    flex-direction: column;
    gap: 2px;
    position: absolute;
    left: 0; right: 0;
    top: 100%;
    background: var(--giallo);
    border-bottom: 2px solid var(--nero);
    padding: 10px var(--gutter) 22px;
    margin: 0;
  }
  .nav--aperta .nav__links a {
    display: block;
    padding: 12px 0;
    font-size: 1.05rem;
    border-bottom: 1px solid rgba(0,0,0,.14);
  }
  .nav { position: sticky; }
  .nav__in { position: relative; }
}

/* --------------------------------------------------------------- hero -- */

.hero {
  background: var(--giallo);
  padding-block: clamp(56px, 9vw, 104px) clamp(64px, 10vw, 116px);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -140px;
  bottom: -190px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: var(--nero);
  opacity: .055;
  pointer-events: none;
}
@media (max-width: 760px) { .hero::after { display: none; } }

.hero__logo {
  width: min(560px, 82%);
  height: auto;
  margin-bottom: clamp(34px, 5vw, 52px);
}

.hero h1 {
  font-size: clamp(2.3rem, 6.4vw, 4.6rem);
  font-stretch: 88%;
  max-width: 17ch;
  margin-bottom: 26px;
}

.hero__sub {
  max-width: 54ch;
  font-size: clamp(1.08rem, 1.9vw, 1.3rem);
  line-height: 1.5;
  font-weight: 450;
  margin-bottom: 36px;
}

.hero__azioni { display: flex; flex-wrap: wrap; gap: 14px; }

/* -------------------------------------------------------------- testo -- */

.intro { max-width: 60ch; }
.intro p + p { margin-top: 0; }

.due-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: start;
}
@media (max-width: 860px) {
  .due-col { grid-template-columns: 1fr; }
}

/* ------------------------------------------------------------ pilastri -- */

.pilastri {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(258px, 1fr));
  gap: 2px;
  margin-top: clamp(44px, 6vw, 72px);
  background: var(--nero);
  border: 2px solid var(--nero);
}

.pilastro {
  background: var(--bianco);
  padding: clamp(26px, 3.4vw, 38px);
}

.pilastro__n {
  display: block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin-bottom: 20px;
}

.pilastro h3 { margin-bottom: 12px; }

.pilastro p {
  font-size: 0.98rem;
  line-height: 1.58;
  color: var(--grigio-testo);
}

/* ---------------------------------------------------------- interlocutori -- */

.destinatari {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(242px, 1fr));
  gap: 18px;
  margin-top: clamp(40px, 5vw, 64px);
}

.dest {
  background: var(--nero);
  color: var(--bianco);
  padding: 28px 26px 30px;
  border-radius: 18px;
}

.dest h3 { margin-bottom: 10px; color: var(--giallo); }

.dest p {
  font-size: 0.96rem;
  line-height: 1.55;
  color: rgba(255,255,255,.82);
}

.passi {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 20px;
  margin-top: clamp(40px, 5vw, 60px);
  padding-top: clamp(34px, 4vw, 48px);
  border-top: 2px solid var(--nero);
  counter-reset: passo;
}

.passo { position: relative; padding-left: 46px; }

.passo::before {
  counter-increment: passo;
  content: counter(passo);
  position: absolute;
  left: 0;
  top: -2px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--nero);
  color: var(--giallo);
  font-size: 0.88rem;
  font-weight: 800;
}

.passo h3 { font-size: 1.04rem; margin-bottom: 6px; }
.passo p { font-size: 0.95rem; line-height: 1.52; }

/* --------------------------------------------------------------- soci -- */

.soci {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(258px, 1fr));
  gap: 22px;
  margin-top: clamp(40px, 5vw, 60px);
  max-width: 760px;
}

.socio {
  border: 2px solid var(--nero);
  border-radius: 18px;
  padding: 28px 26px;
  display: flex;
  gap: 18px;
  align-items: center;
}

.socio img {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  object-fit: cover;
  flex: none;
}

.socio__nome { font-size: 1.12rem; font-weight: 800; letter-spacing: -0.02em; }

.socio__ruolo {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--grigio-testo);
  margin-top: 3px;
}

/* ------------------------------------------------------------- form -- */

.form-blocco {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(34px, 6vw, 72px);
  align-items: start;
}
@media (max-width: 900px) {
  .form-blocco { grid-template-columns: 1fr; }
}

.form-aside p { color: rgba(255,255,255,.8); font-size: 1rem; }
.form-aside a { color: var(--giallo); }

.campo { margin-bottom: 18px; }

.campo label {
  display: block;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 7px;
}

.campo input,
.campo select,
.campo textarea {
  width: 100%;
  padding: 13px 15px;
  border: 2px solid transparent;
  border-radius: 10px;
  background: var(--bianco);
  color: var(--nero);
  font: inherit;
  font-size: 1rem;
}

.campo textarea { min-height: 128px; resize: vertical; }

.campo input:focus,
.campo select:focus,
.campo textarea:focus {
  outline: none;
  border-color: var(--giallo);
  box-shadow: 0 0 0 3px rgba(255,231,51,.35);
}

.campo--due {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 560px) { .campo--due { grid-template-columns: 1fr; } }

.consenso {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin: 24px 0 26px;
  font-size: 0.9rem;
  line-height: 1.5;
  color: rgba(255,255,255,.84);
}
.consenso input {
  margin-top: 3px;
  width: 19px;
  height: 19px;
  flex: none;
  accent-color: var(--giallo);
}
.consenso a { color: var(--giallo); }

.hp {
  position: absolute !important;
  left: -9999px !important;
  opacity: 0;
  height: 0;
  width: 0;
}

.form-esito {
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: 10px;
  font-weight: 650;
  font-size: 0.96rem;
}
.form-esito[hidden] { display: none; }
.form-esito--ok { background: var(--giallo); color: var(--nero); }
.form-esito--ko { background: #ffffff; color: #a51d1d; }

/* ------------------------------------------------------------- footer -- */

.site-footer {
  background: var(--nero);
  color: rgba(255,255,255,.72);
  padding-block: clamp(50px, 6vw, 72px) 34px;
  font-size: 0.92rem;
  border-top: 2px solid rgba(255,255,255,.14);
}

.footer__top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,.16);
}

.footer__logo { width: 180px; margin-bottom: 16px; }

.footer h4 {
  margin: 0 0 14px;
  color: var(--bianco);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 9px; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--giallo); text-decoration: underline; }

.footer__legale {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  justify-content: space-between;
  padding-top: 26px;
  font-size: 0.84rem;
  color: rgba(255,255,255,.52);
}
.footer__legale a { color: rgba(255,255,255,.72); }

.dato-mancante {
  background: rgba(255,231,51,.18);
  color: var(--giallo);
  padding: 0 5px;
  border-radius: 3px;
  font-size: 0.92em;
}

/* --------------------------------------------------------- pagine testo -- */

.pagina-testo { padding-block: clamp(56px, 7vw, 96px); }
.pagina-testo .wrap { max-width: 760px; }
.pagina-testo h1 {
  font-size: clamp(2rem, 5vw, 3.1rem);
  font-stretch: 92%;
  margin-bottom: 26px;
}
.pagina-testo h2 {
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  margin: 42px 0 14px;
}
.pagina-testo p,
.pagina-testo li { color: #333331; }
.pagina-testo ul { padding-left: 20px; }
.pagina-testo li { margin-bottom: 8px; }

.nota-bozza {
  background: var(--giallo);
  border: 2px solid var(--nero);
  border-radius: 12px;
  padding: 18px 20px;
  margin-bottom: 34px;
  font-size: 0.94rem;
  color: var(--nero) !important;
  font-weight: 600;
}

.errore-404 {
  min-height: 68vh;
  display: grid;
  place-items: center;
  text-align: center;
  background: var(--giallo);
  padding-block: 80px;
}
.errore-404 h1 { font-size: clamp(4rem, 17vw, 10rem); font-stretch: 80%; line-height: .9; }
.errore-404 p { font-size: 1.15rem; margin: 20px 0 32px; }

/* ------------------------------------------------------------ reveal -- */

.rivela {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
.rivela.visibile { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .rivela { opacity: 1; transform: none; }
}

.pagina-grazie h1 { font-size: clamp(2.6rem, 9vw, 5rem); }