/* ==========================================================================
   Protocollo Oro — foglio di stile unico
   Lusso-pop scuro: nero caldo, oro, avorio. Nessun framework, nessuna build.
   ========================================================================== */

/* ---------- 1. Variabili ---------- */
:root {
  /* Palette */
  --nero: #0C0A07;
  --carbone: #171310;
  --oro: #D4A937;
  --oro-chiaro: #F0CE6E;
  --oro-scuro: #8C6D1F;
  --avorio: #F6F1E5;
  --panna: #FBF8F0;
  --inchiostro: #1A1611;
  --verde: #1D7A3A;

  /* Derivati */
  --oro-20: rgba(212, 169, 55, .2);
  --oro-25: rgba(212, 169, 55, .25);
  --oro-08: rgba(212, 169, 55, .08);
  --avorio-70: rgba(246, 241, 229, .72);
  --inchiostro-70: rgba(26, 22, 17, .74);

  /* Tipografia */
  --font-titoli: "Fraunces", Georgia, "Times New Roman", serif;
  --font-testo: "Manrope", "Segoe UI", Helvetica, sans-serif;

  /* Misure */
  --max: 1080px;
  --gutter: 24px;
  --sezione: 88px;
  --radius-card: 14px;
  --radius-bottone: 10px;
  --transizione: 300ms ease;
}

/* ---------- 2. Reset essenziale ---------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--nero);
  color: var(--avorio);
  font-family: var(--font-testo);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.68;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-titoli);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 .6em;
  text-wrap: balance;
}

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

a { color: var(--oro); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--oro-chiaro); }

:focus-visible {
  outline: 3px solid var(--oro-chiaro);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 3. Impalcatura ---------- */
.contenitore {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.sezione {
  padding-block: var(--sezione);
}

.sezione--scura { background: var(--nero); color: var(--avorio); }
.sezione--carbone { background: var(--carbone); color: var(--avorio); }
.sezione--avorio { background: var(--avorio); color: var(--inchiostro); }
.sezione--panna { background: var(--panna); color: var(--inchiostro); }

.sezione--avorio h1, .sezione--avorio h2, .sezione--avorio h3,
.sezione--panna h1, .sezione--panna h2, .sezione--panna h3 { color: var(--inchiostro); }

.salta-al-contenuto {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--oro);
  color: var(--nero);
  padding: 12px 18px;
  font-weight: 700;
  z-index: 100;
}
.salta-al-contenuto:focus { left: 12px; top: 12px; }

/* ---------- 4. Elementi tipografici ricorrenti ---------- */
.occhiello {
  font-family: var(--font-testo);
  font-weight: 700;
  font-size: .75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--oro);
  margin: 0 0 18px;
}
.sezione--avorio .occhiello,
.sezione--panna .occhiello { color: var(--oro-scuro); }

.titolo-sezione {
  font-size: clamp(1.9rem, 4.2vw, 2.9rem);
  max-width: 22ch;
}

.sottotitolo {
  font-size: clamp(1.05rem, 2.1vw, 1.25rem);
  max-width: 56ch;
  color: var(--avorio-70);
}
.sezione--avorio .sottotitolo,
.sezione--panna .sottotitolo { color: var(--inchiostro-70); }

.separatore {
  border: 0;
  height: 1px;
  background: var(--oro-20);
  margin: 0;
}

.testo-lungo { max-width: 62ch; }

/* ---------- 5. Bottoni ---------- */
.bottone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-testo);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.2;
  padding: 17px 30px;
  border-radius: var(--radius-bottone);
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transizione), color var(--transizione),
              border-color var(--transizione), transform var(--transizione);
}

.bottone--primario {
  background: var(--oro);
  color: var(--nero);
  border-color: var(--oro);
}
.bottone--primario:hover {
  background: var(--oro-chiaro);
  border-color: var(--oro-chiaro);
  color: var(--nero);
}

.bottone--secondario {
  background: transparent;
  color: var(--oro);
  border-color: var(--oro);
}
.bottone--secondario:hover {
  color: var(--oro-chiaro);
  border-color: var(--oro-chiaro);
}

.bottone--grande {
  font-size: 1.08rem;
  padding: 21px 40px;
}

.bottone--pieno { width: 100%; }

.gruppo-bottoni {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

/* ---------- 6. Barra di navigazione ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(12, 10, 7, .86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--oro-20);
}
.nav__interno {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 74px;
}
.nav__logo { display: inline-flex; align-items: center; }
.nav__logo img { height: 30px; width: auto; }
.nav .bottone { padding: 12px 20px; font-size: .93rem; white-space: nowrap; }

@media (max-width: 560px) {
  .nav__logo img { height: 20px; }
  .nav .bottone { padding: 10px 12px; font-size: .78rem; }
}

/* ---------- 7. Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--nero);
  padding-block: clamp(72px, 12vw, 132px);
}

.hero__sfondo {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(60% 55% at 18% 10%, rgba(212, 169, 55, .06), transparent 70%),
    radial-gradient(50% 50% at 88% 82%, rgba(212, 169, 55, .06), transparent 72%);
}

.hero__xau {
  position: absolute;
  right: -2vw;
  bottom: -4vh;
  font-family: var(--font-titoli);
  font-weight: 700;
  font-size: clamp(9rem, 30vw, 26rem);
  line-height: .78;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 2px rgba(212, 169, 55, .28);
  opacity: .35;
  pointer-events: none;
  user-select: none;
}

.hero__contenuto { position: relative; z-index: 1; max-width: 46rem; }
.hero__contenuto h1 { max-width: 14ch; }
.hero__contenuto .hero__sub { max-width: 54ch; }

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  margin-bottom: 26px;
}

.hero__sub {
  font-size: clamp(1.08rem, 2.3vw, 1.32rem);
  color: var(--avorio-70);
}

.hero--compatto { padding-block: clamp(64px, 9vw, 104px); }
.hero--compatto h1 { font-size: clamp(2rem, 5vw, 3.3rem); }

/* ---------- 8. Barra dei fatti ---------- */
.fatti {
  background: var(--avorio);
  color: var(--inchiostro);
  border-block: 1px solid rgba(140, 109, 31, .2);
  padding-block: 26px;
}
.fatti__lista {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 26px;
  font-weight: 600;
  font-size: .98rem;
}
.fatti__lista li { display: flex; align-items: center; gap: 26px; }
.fatti__lista li:not(:last-child)::after {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--oro);
  flex: none;
}

/* ---------- 9. Griglie e card ---------- */
.griglia {
  display: grid;
  gap: 22px;
  margin-top: 46px;
}
.griglia--3 { grid-template-columns: 1fr; }
.griglia--2 { grid-template-columns: 1fr; }

@media (min-width: 720px) {
  .griglia--2 { grid-template-columns: 1fr 1fr; gap: 26px; }
}
@media (min-width: 900px) {
  .griglia--3 { grid-template-columns: repeat(3, 1fr); }
}

.card-chiara {
  background: #fff;
  color: var(--inchiostro);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  box-shadow: 0 1px 2px rgba(26, 22, 17, .05), 0 18px 40px rgba(26, 22, 17, .07);
}
.card-chiara h3 { font-size: 1.3rem; margin-bottom: .5em; }
.card-chiara p { color: var(--inchiostro-70); }

.card-scura {
  background: var(--carbone);
  border: 1px solid var(--oro-25);
  border-radius: var(--radius-card);
  padding: 34px 30px;
}
.card-scura h3 { font-size: clamp(1.5rem, 3vw, 1.95rem); margin-bottom: .45em; }
.card-scura p { color: var(--avorio-70); }

/* ---------- 10. Gradini ---------- */
.gradino { display: flex; flex-direction: column; }
.gradino__numero {
  font-family: var(--font-titoli);
  font-weight: 700;
  font-size: clamp(3.4rem, 9vw, 5rem);
  line-height: .85;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--oro);
  margin-bottom: 14px;
  display: block;
}
.gradino__kicker {
  font-weight: 700;
  font-size: .74rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--oro);
  margin: 0 0 14px;
}
.gradino .bottone { margin-top: 26px; align-self: flex-start; }

/* ---------- 11. Liste con spunta ---------- */
.spunte {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 13px;
}
.spunte li {
  position: relative;
  padding-left: 34px;
  line-height: 1.55;
}
.spunte li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .28em;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--oro-08);
  border: 1px solid var(--oro-25);
}
.spunte li::after {
  content: "";
  position: absolute;
  left: 7px;
  top: .55em;
  width: 5px;
  height: 9px;
  border: solid var(--oro);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.spunte--verdi li::before {
  background: rgba(29, 122, 58, .08);
  border-color: rgba(29, 122, 58, .3);
}
.spunte--verdi li::after { border-color: var(--verde); }

/* ---------- 12. Fascia Aurex ---------- */
.fascia {
  background: var(--carbone);
  border-block: 1px solid var(--oro-20);
  padding-block: 54px;
  text-align: center;
}
.fascia h2 { font-size: clamp(1.4rem, 3vw, 1.85rem); margin-bottom: .5em; }
.fascia p {
  color: var(--avorio-70);
  max-width: 62ch;
  margin-inline: auto;
}

/* ---------- 13. Sezione finale ---------- */
.finale { text-align: center; }
.finale h2 { font-size: clamp(2rem, 5vw, 3.1rem); margin-inline: auto; }
.finale .sottotitolo { margin-inline: auto; }
.finale .gruppo-bottoni { justify-content: center; }

/* ---------- 14. Riquadro video ---------- */
.video-box {
  border: 2px dashed var(--oro-25);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, rgba(212, 169, 55, .05), rgba(23, 19, 16, .6));
  padding: clamp(38px, 8vw, 70px) 26px;
  text-align: center;
  margin-top: 40px;
}
.video-box__play {
  width: 74px;
  height: 74px;
  margin: 0 auto 22px;
  border-radius: 50%;
  border: 1px solid var(--oro-25);
  background: var(--oro-08);
  display: grid;
  place-items: center;
}
.video-box__play svg { width: 26px; height: 26px; display: block; }
.video-box h2 { font-size: clamp(1.3rem, 3vw, 1.8rem); max-width: 28ch; margin-inline: auto; }
.video-box__attesa {
  font-weight: 700;
  font-size: .74rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--oro);
  margin: 0;
}

/* ---------- 15. Modulo contatti ---------- */
.form-card {
  background: var(--carbone);
  border: 1px solid var(--oro-25);
  border-radius: var(--radius-card);
  padding: clamp(28px, 5vw, 44px);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .45);
  max-width: 640px;
  margin-inline: auto;
}
.form-card h2 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); }
.form-card__sub { color: var(--avorio-70); margin-bottom: 30px; }

.campo { margin-bottom: 20px; }
.campo label {
  display: block;
  font-weight: 700;
  font-size: .93rem;
  margin-bottom: 8px;
  color: var(--avorio);
}
.campo input[type="text"],
.campo input[type="email"],
.campo input[type="tel"] {
  width: 100%;
  font-family: var(--font-testo);
  font-size: 1rem;
  color: var(--avorio);
  background: rgba(12, 10, 7, .8);
  border: 1px solid var(--oro-25);
  border-radius: var(--radius-bottone);
  padding: 15px 16px;
  transition: border-color var(--transizione), background-color var(--transizione);
}
.campo input::placeholder { color: rgba(246, 241, 229, .38); }
.campo input:hover { border-color: rgba(212, 169, 55, .45); }
.campo input:focus { border-color: var(--oro); background: rgba(12, 10, 7, 1); }

.campo__aiuto {
  display: block;
  font-size: .84rem;
  color: var(--avorio-70);
  margin-top: 7px;
}

.campo--consenso {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 26px 0 24px;
}
.campo--consenso input[type="checkbox"] {
  width: 22px;
  height: 22px;
  margin: 2px 0 0;
  flex: none;
  accent-color: var(--oro);
}
.campo--consenso label {
  font-weight: 400;
  font-size: .93rem;
  line-height: 1.5;
  color: var(--avorio-70);
  margin: 0;
}

.form-nota {
  margin: 18px 0 0;
  font-size: .88rem;
  color: var(--avorio-70);
  text-align: center;
}

/* ---------- 16. Passi numerati ---------- */
.passi {
  list-style: none;
  counter-reset: passo;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}
.passi li {
  counter-increment: passo;
  position: relative;
  padding-left: 62px;
  min-height: 44px;
  display: flex;
  align-items: center;
}
.passi li::before {
  content: counter(passo);
  position: absolute;
  left: 0;
  top: 0;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  font-family: var(--font-titoli);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--oro);
  border: 1px solid var(--oro-25);
  border-radius: 50%;
  background: var(--oro-08);
}
.sezione--avorio .passi li::before,
.sezione--panna .passi li::before { color: var(--oro-scuro); }

/* ---------- 17. FAQ ---------- */
.faq { margin-top: 40px; display: grid; gap: 14px; }
.faq details {
  background: var(--carbone);
  border: 1px solid var(--oro-25);
  border-radius: var(--radius-card);
  padding: 4px 24px;
}
.faq summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--font-titoli);
  font-weight: 600;
  font-size: 1.14rem;
  letter-spacing: -0.01em;
  padding: 20px 34px 20px 0;
  position: relative;
  color: var(--avorio);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-testo);
  font-size: 1.6rem;
  line-height: 1;
  color: var(--oro);
  transition: transform var(--transizione);
}
.faq details[open] summary::after { content: "\2013"; }
.faq details p {
  color: var(--avorio-70);
  padding-bottom: 22px;
  margin: 0;
  max-width: 64ch;
}

/* ---------- 18. Pagine di testo (grazie, privacy) ---------- */
.pagina-testo { background: var(--avorio); color: var(--inchiostro); }
.pagina-testo .contenuto { max-width: 68ch; }
.pagina-testo h1 { font-size: clamp(2rem, 5vw, 3rem); }
.pagina-testo h2 {
  font-size: 1.28rem;
  margin-top: 2.2em;
  margin-bottom: .5em;
}
.pagina-testo p { color: var(--inchiostro-70); }

.pagina-centrata {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  padding-block: 72px;
}
.pagina-centrata .contenuto { max-width: 62ch; margin-inline: auto; }
.pagina-centrata .passi { text-align: left; max-width: 48ch; margin-inline: auto; }
.pagina-centrata .passi li { display: flex; }

.nota-riquadro {
  margin-top: 40px;
  padding: 22px 24px;
  border-radius: var(--radius-card);
  background: var(--carbone);
  border: 1px solid var(--oro-25);
  color: var(--avorio-70);
  text-align: left;
}

.note-legali {
  margin-top: 52px;
  padding-top: 28px;
  border-top: 1px solid rgba(140, 109, 31, .25);
  font-size: .88rem;
  line-height: 1.62;
  color: rgba(26, 22, 17, .66);
}

/* ---------- 19. Piede ---------- */
.piede {
  background: var(--nero);
  border-top: 1px solid var(--oro-20);
  padding-block: 52px 62px;
}
.piede__alto {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--oro-20);
}
.piede__logo img { height: 24px; width: auto; }
.piede__link {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-size: .92rem;
  font-weight: 600;
}
.piede__rischio {
  margin: 26px 0 0;
  font-size: .75rem;
  line-height: 1.62;
  color: #9A948A;
  max-width: 90ch;
}

/* ---------- 20. Rispetto delle preferenze di movimento ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 1ms !important; animation-duration: 1ms !important; }
}