/* Fondo bianco, un solo carattere leggero, immagini protagoniste. */
:root {
  --fondo: #ffffff;
  --superficie: #f3f3f2;
  --inchiostro: #1a1a1a;
  --tenue: #6e6e6e;
  --linea: #e4e4e2;
  --accento: #1a1a1a;
  --errore: #b3261e;
  --argilla-chiaro: #fbfbf9;
  --argilla-medio: #a3a6a5;
  --argilla-scuro: #4a4e50;
  --carattere: "Source Sans 3", "Myriad Pro", "Segoe UI", system-ui, sans-serif;
  --margine: clamp(16px, 4vw, 48px);
  --larghezza: 1440px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--fondo);
  color: var(--inchiostro);
  font: 400 1.0625rem/1.6 var(--carattere);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { color: var(--tenue); }
:focus-visible { outline: 2px solid var(--inchiostro); outline-offset: 3px; border-radius: 2px; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { font-family: var(--carattere); font-weight: 400; margin: 0; text-wrap: balance; }

.solo-lettori {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.salta {
  position: absolute;
  left: var(--margine);
  top: -100px;
  background: var(--inchiostro);
  color: var(--fondo);
  padding: 8px 12px;
  border-radius: 4px;
  z-index: 10;
}
.salta:focus { top: 12px; }

/* ---------- Testata: nome a sinistra, menu in alto a destra ---------- */
.testata {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px 24px;
  width: 100%;
  max-width: var(--larghezza);
  margin: 0 auto;
  padding: clamp(18px, 3vw, 32px) var(--margine) clamp(20px, 3vw, 36px);
}
.marchio {
  font-weight: 400;
  font-size: clamp(2rem, 4.4vw, 3.5rem);
  line-height: 1;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
}
.marchio:hover { color: inherit; }
.testata nav {
  display: flex;
  flex-wrap: wrap;
  column-gap: clamp(18px, 2.6vw, 36px);
  padding-top: 0.2em;
}
.testata nav a {
  text-decoration: none;
  color: var(--tenue);
  font-size: 1.0625rem;
  padding: 4px 0;
}
.testata nav a:hover { color: var(--inchiostro); }
.testata nav a[aria-current="page"] {
  color: var(--inchiostro);
  text-decoration: underline;
  text-underline-offset: 0.4em;
}
/* Su telefono il menu va sotto il nome, allineato a sinistra */
@media (max-width: 599px) {
  .testata { flex-direction: column; }
  .testata nav { padding-top: 0; }
}

main {
  flex: 1;
  width: 100%;
  max-width: var(--larghezza);
  margin: 0 auto;
  padding: 0 var(--margine);
}

/* ---------- Home ---------- */
.apertura { margin: 0; }
.apertura img,
.segnaposto {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 4px;
  background: var(--superficie);
}
@media (min-width: 760px) {
  .apertura img, .segnaposto { aspect-ratio: 16 / 9; }
}
.segnaposto { display: grid; place-items: center; color: var(--tenue); padding: 16px; text-align: center; }

/* ---------- Intestazioni di pagina ---------- */
.intestazione { padding: clamp(8px, 2vw, 24px) 0 clamp(24px, 4vw, 44px); }
.intestazione h1 {
  font-weight: 300;
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  line-height: 1.1;
  color: var(--tenue);
}

/* ---------- Studio Serio: la pagina d'ingresso dello studio ---------- */
.intestazione-testo { margin-top: 16px; color: var(--tenue); }
.intestazione-studio h1 {
  color: var(--inchiostro);
  font-weight: 400;
  font-size: clamp(2.25rem, 5.2vw, 4.25rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
}
.studio-ruolo {
  margin: 10px 0 0;
  font-weight: 300;
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: var(--tenue);
}
.studio-intro {
  display: grid;
  gap: 28px;
  padding-bottom: clamp(32px, 5vw, 56px);
  margin-bottom: clamp(28px, 4vw, 44px);
  border-bottom: 1px solid var(--linea);
}
@media (min-width: 900px) {
  .studio-intro { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 64px; align-items: start; }
}
.studio-servizi h2, .titolo-sezione { font-size: 0.9375rem; color: var(--tenue); margin-bottom: 12px; }
.titolo-sezione { margin-bottom: 20px; }
.studio-cta { margin: clamp(36px, 5vw, 56px) 0 0; font-size: 1.25rem; }
.studio-cta a::after { content: "\00a0\2192"; }

/* ---------- Griglie dei progetti ---------- */
.griglia {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px 28px;
}
@media (min-width: 760px) { .griglia { grid-template-columns: 1fr 1fr; gap: 52px 28px; } }

.scheda a { display: block; text-decoration: none; }
.scheda a:hover { color: inherit; }
.scheda-img, .argilla {
  aspect-ratio: 4 / 3;
  border-radius: 4px;
  overflow: hidden;
  background: var(--superficie);
}
.scheda-img img { width: 100%; height: 100%; object-fit: cover; transition: opacity 0.3s ease; }
.scheda a:hover .scheda-img img { opacity: 0.88; }
/* Le opere si vedono intere, con le loro proporzioni: niente ritagli */
.griglia-opere { align-items: end; }
.griglia-opere .scheda-img { aspect-ratio: auto; background: none; border-radius: 0; }
.griglia-opere .scheda-img img { height: auto; object-fit: contain; }
.scheda h2, .scheda h3 { font-size: 1.25rem; line-height: 1.25; margin-top: 12px; }
.scheda-info { margin: 2px 0 0; color: var(--tenue); font-size: 0.9375rem; }

/* Progetti riservati: una sfera di argilla grezza, come un modello non ancora dipinto */
.argilla {
  position: relative;
  display: grid;
  place-items: center;
  background:
    radial-gradient(120% 90% at 50% 110%, color-mix(in srgb, var(--argilla-scuro) 14%, transparent), transparent 60%),
    var(--superficie);
}
.sfera {
  width: 42%;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 28%, var(--argilla-chiaro) 0 6%, transparent 30%),
    radial-gradient(circle at 70% 82%, color-mix(in srgb, var(--argilla-chiaro) 45%, transparent) 0, transparent 34%),
    radial-gradient(circle at 40% 36%, #d6d8d5 0, var(--argilla-medio) 48%, var(--argilla-scuro) 100%);
  box-shadow: 0 24px 36px -18px color-mix(in srgb, var(--argilla-scuro) 60%, transparent);
  transition: transform 0.8s cubic-bezier(.2,.7,.2,1);
}
.scheda-riservata a:hover .sfera { transform: rotate(-14deg) scale(1.03); }
.lucchetto { position: absolute; width: 24px; height: 24px; right: 16px; bottom: 14px; color: var(--tenue); }
.vuoto { color: var(--tenue); max-width: 46ch; }

/* ---------- Progetto ---------- */
.progetto { padding-top: clamp(4px, 1vw, 12px); }
.indietro { display: inline-block; color: var(--tenue); text-decoration: none; padding: 4px 0; margin-bottom: 18px; }
.indietro:hover { color: var(--inchiostro); }
.indietro::before { content: "\2190\00a0"; }
.progetto-testa { display: grid; gap: 20px; margin-bottom: 32px; }
.progetto-testa h1 {
  font-weight: 300;
  font-size: clamp(1.9rem, 4vw, 3.25rem);
  line-height: 1.08;
  max-width: 22ch;
}
.dati { display: flex; flex-wrap: wrap; gap: 12px 40px; margin: 0; }
.dati dt, .recapiti dt { color: var(--tenue); font-size: 0.875rem; }
.dati dd, .recapiti dd { margin: 2px 0 0; }
.esci button {
  font: inherit;
  font-size: 0.875rem;
  color: var(--tenue);
  background: none;
  border: 1px solid var(--linea);
  border-radius: 999px;
  padding: 7px 16px;
  cursor: pointer;
}
.esci button:hover { color: var(--inchiostro); border-color: var(--inchiostro); }

.testo { max-width: 62ch; }
.progetto .testo { margin-bottom: 44px; }
.testo p { margin: 0 0 1em; }
.testo-grande { font-size: clamp(1.125rem, 1.5vw, 1.25rem); line-height: 1.6; }

.galleria { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 760px) {
  .galleria { grid-template-columns: 1fr 1fr; gap: 28px; }
  .foto { grid-column: 1 / -1; }
  .foto.verticale { grid-column: auto; }
}
.foto { margin: 0; }
.foto img { width: 100%; border-radius: 4px; background: var(--superficie); }
.foto figcaption { color: var(--tenue); font-size: 0.875rem; margin-top: 8px; }

/* ---------- About ---------- */
.about-griglia { display: grid; gap: 32px; }
@media (min-width: 900px) {
  .about-griglia { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 64px; align-items: start; }
  .about-ritratto { position: sticky; top: 24px; }
}
.about-ritratto { margin: 0; }
.about-ritratto img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 4px; background: var(--superficie); }
.blocco { margin-top: 44px; padding-top: 18px; border-top: 1px solid var(--linea); max-width: 62ch; }
.blocco h2 { font-size: 0.9375rem; color: var(--tenue); margin-bottom: 12px; }
.servizi { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.percorso { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.percorso li { display: grid; gap: 0; }
.periodo { color: var(--tenue); font-size: 0.875rem; font-variant-numeric: tabular-nums; }
@media (min-width: 560px) {
  .percorso li { grid-template-columns: 7.5rem 1fr; gap: 16px; }
  .periodo { padding-top: 0.15em; }
}
.about-cta { margin: 44px 0 0; }
.about-cta a::after { content: "\00a0\2192"; }

/* ---------- Contatti ---------- */
.contatti-griglia { display: grid; gap: 40px; }
@media (min-width: 900px) {
  .contatti-griglia { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 64px; }
}
.sottotesto { color: var(--tenue); margin: 0 0 28px; max-width: 42ch; }
.recapiti { margin: 0; display: grid; gap: 18px; }
.recapiti dd { font-size: 1.125rem; overflow-wrap: anywhere; }
.recapiti a { text-decoration: none; }
.recapiti a:hover { text-decoration: underline; color: inherit; }

/* ---------- Moduli ---------- */
.modulo { display: grid; gap: 22px; max-width: 40rem; }
.campo { display: grid; gap: 6px; }
.campo label { color: var(--tenue); font-size: 0.9375rem; }
.campo input, .campo textarea {
  width: 100%;
  min-width: 0;
  font: inherit;
  font-size: 1.0625rem; /* almeno 16px: niente zoom automatico su iPhone */
  padding: 11px 13px;
  border: 1px solid var(--linea);
  border-radius: 4px;
  background: var(--fondo);
  color: var(--inchiostro);
}
.campo textarea { resize: vertical; min-height: 9rem; line-height: 1.5; }
.campo input:focus, .campo textarea:focus { border-color: var(--inchiostro); outline: none; }
.campo [aria-invalid="true"] { border-color: var(--errore); }
.campo-trappola { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.bottone, .riga-password button {
  justify-self: start;
  font: inherit;
  font-weight: 600;
  padding: 12px 22px;
  border: 1px solid var(--inchiostro);
  border-radius: 4px;
  background: var(--inchiostro);
  color: var(--fondo);
  cursor: pointer;
}
.bottone:hover, .riga-password button:hover { background: var(--fondo); color: var(--inchiostro); }
@media (max-width: 559px) { .bottone { justify-self: stretch; } }

.riga-password { display: flex; flex-wrap: wrap; gap: 8px; }
.riga-password input { flex: 1 1 14rem; }
.riga-password button { flex: 0 0 auto; }
@media (max-width: 559px) { .riga-password button { flex: 1 1 100%; } }

.errore { color: var(--errore); margin: 0; font-size: 0.9375rem; }
.errore-generale { padding: 12px 14px; border: 1px solid var(--errore); border-radius: 4px; }
.nota { color: var(--tenue); font-size: 0.875rem; margin: 0; }
.conferma { padding: 28px; border-radius: 4px; background: var(--superficie); max-width: 40rem; }
.conferma h2 { font-size: 1.375rem; margin-bottom: 8px; }
.conferma p { margin: 0 0 8px; color: var(--tenue); }

/* ---------- Pagine strette (password, 404) ---------- */
.stretta { max-width: 34rem; padding: clamp(8px, 4vw, 56px) 0; }
.stretta h1 { font-weight: 300; font-size: clamp(1.75rem, 4vw, 2.5rem); line-height: 1.1; }
.stretta .sottotesto { margin: 10px 0 28px; }
.stretta .modulo { margin-bottom: 28px; }
.argilla-piccola { width: 140px; aspect-ratio: 1; margin-bottom: 28px; border-radius: 6px; }
.argilla-piccola .sfera { width: 58%; }
.argilla-piccola .lucchetto { width: 20px; height: 20px; right: 10px; bottom: 10px; }

/* ---------- Piede: una riga sottile ---------- */
.piede {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  width: calc(100% - 2 * var(--margine));
  max-width: calc(var(--larghezza) - 2 * var(--margine));
  margin: clamp(40px, 6vw, 72px) auto 0;
  padding: 18px 0 26px;
  border-top: 1px solid var(--linea);
  color: var(--tenue);
  font-size: 0.8125rem;
}
.piede a { text-decoration: none; }
.piede a:hover { text-decoration: underline; color: inherit; }
.piede span { margin-left: auto; }
@media (max-width: 559px) {
  .piede span { margin-left: 0; flex-basis: 100%; }
}

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