:root{
  --ink:#15233B;
  --ink-dark:#0F1A2E;
  --steel:#5B6476;
  --steel-light:#8C94A6;
  --paper:#FFFFFF;
  --paper-warm:#F0F0F0;
  --line:#E2E4E8;
  --ok:#2F6B4F;
  --err:#B3261E;
  --attention:#B8863A;
  --attention-bg:#FBF3E7;
  --radius:6px;
  --font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono:ui-monospace, "SF Mono", "Cascadia Mono", "Segoe UI Mono", Consolas, monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.6;
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
}

h1,h2,h3{
  font-family:var(--font-sans);
  font-weight:700;
  margin:0 0 .4em 0;
  letter-spacing:-0.015em;
}

.mono{font-family:var(--font-mono); letter-spacing:0.02em;}

/* ---------- Nameplate header ---------- */
.nameplate{
  background:var(--paper);
  color:var(--ink);
  padding:1.6rem 1.5rem 2.4rem;
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.nameplate::after{
  content:"";
  position:absolute;
  left:0; right:0; bottom:-1px;
  height:3px;
  background:var(--ink);
}
.nameplate-inner{
  max-width:640px;
  margin:0 auto;
}
.logo-mark{
  display:block;
  height:34px;
  width:auto;
  margin-bottom:1.6rem;
}
.nameplate-eyebrow{
  font-family:var(--font-sans);
  font-weight:600;
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--steel);
  display:flex;
  align-items:center;
  gap:.6em;
}
.nameplate-eyebrow::before{
  content:"";
  width:22px; height:1px;
  background:var(--steel);
  display:inline-block;
}
.nameplate h1{
  color:var(--ink);
  font-size:clamp(1.5rem, 4.5vw, 2.1rem);
  margin-top:.5rem;
}
.nameplate-address{
  color:var(--steel);
  font-size:.95rem;
  margin-top:.3rem;
}
a.nameplate-address-link{
  display:inline-block;
  text-decoration:none;
  border-bottom:1px solid var(--line);
}
a.nameplate-address-link:hover{
  color:var(--ink);
  border-bottom-color:var(--steel);
}

.hero{max-width:640px; margin:2rem auto 0; padding:0 1.5rem;}
.hero-img{
  width:100%;
  aspect-ratio:3/2;
  object-fit:cover;
  object-position:center 45%;
  border-radius:12px;
  border:1px solid var(--line);
  box-shadow:0 4px 16px rgba(21,35,59,.08);
  display:block;
}
.hero-caption{
  margin-top:.7rem;
  font-size:.88rem;
  color:var(--steel);
  text-align:center;
}

.lang-btn{
  font-family:var(--font-mono);
  font-size:.72rem;
  font-weight:500;
  letter-spacing:.06em;
  background:transparent;
  border:1px solid var(--line);
  color:var(--steel);
  padding:.25em .6em;
  border-radius:20px;
  cursor:pointer;
}
.lang-btn:hover{border-color:var(--steel);}
.lang-btn-active{background:var(--ink); color:var(--paper); border-color:var(--ink);}

/* ---------- Layout ---------- */
main{max-width:640px; margin:0 auto; padding:0 1.5rem 4rem;}

.hub-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:.7rem;
  padding-top:1.8rem;
}
.hub-tile{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:.6rem;
  background:var(--paper-warm);
  border:1px solid var(--line);
  border-radius:12px;
  padding:1.4rem .4rem;
  text-decoration:none;
  color:var(--ink);
  font-size:.76rem;
  font-weight:600;
  text-align:center;
  line-height:1.25;
  transition:background .15s ease, border-color .15s ease;
}
.hub-tile:hover, .hub-tile:active, .hub-tile:focus-visible{
  background:var(--ink);
  border-color:var(--ink);
  color:var(--paper);
}
.hub-tile:hover svg, .hub-tile:active svg, .hub-tile:focus-visible svg{color:var(--paper);}
.hub-tile svg{width:34px; height:34px; color:var(--ink); flex-shrink:0;}
.hub-tile-wide{
  grid-column:1 / -1;
  flex-direction:row;
  justify-content:flex-start;
  gap:1rem;
  padding:1.4rem 1.3rem;
  font-size:.95rem;
  background:var(--ink);
  border-color:var(--ink);
  color:var(--paper);
}
.hub-tile-wide svg{width:28px; height:28px; color:var(--paper);}
.hub-tile-wide:hover, .hub-tile-wide:active, .hub-tile-wide:focus-visible{
  background:var(--ink-dark);
  border-color:var(--ink-dark);
  color:var(--paper);
}
.hub-tile-wide:hover svg, .hub-tile-wide:active svg, .hub-tile-wide:focus-visible svg{color:var(--paper);}
.section{display:none;}

.tag{
  display:inline-flex;
  align-items:center;
  gap:.5em;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--ink);
  background:var(--paper-warm);
  border:1px solid var(--line);
  padding:.25em .7em;
  border-radius:20px;
  margin-bottom:.9rem;
}

p{margin:.5rem 0 0;}
.muted{color:var(--steel);}

/* ---------- Cards ---------- */
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:10px;
  padding:1.1rem 1.2rem;
  margin-top:.9rem;
  box-shadow:0 1px 2px rgba(21,35,59,.04);
}
.card h3{font-size:1.05rem; margin-bottom:.25rem;}
.area-link{color:var(--ink); text-decoration:none; border-bottom:1px solid var(--line);}

.accordion-item{border:1px solid var(--line); border-radius:12px; margin-bottom:.7rem; overflow:hidden;}
.accordion-header{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  background:var(--paper-warm);
  border:none;
  padding:1rem 1.1rem;
  font-family:var(--font-sans);
  font-size:.95rem;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
  text-align:left;
}
.accordion-chevron{width:18px; height:18px; flex-shrink:0; transition:transform .2s ease;}
.accordion-item.open .accordion-chevron{transform:rotate(180deg);}
.accordion-body{display:none; padding:.9rem 1rem 1rem;}
.accordion-item.open .accordion-body{display:block;}
.accordion-body .card{margin-top:0; margin-bottom:.7rem;}
.accordion-body .card:last-child{margin-bottom:0;}
.area-link:hover{color:var(--steel); border-bottom-color:var(--steel);}
.card-video{
  display:inline-flex;
  align-items:center;
  gap:.4em;
  margin-top:.6rem;
  font-size:.88rem;
  color:var(--ink);
  text-decoration:none;
  font-weight:600;
  border-bottom:1px solid var(--steel);
}
.card-video:hover{color:var(--steel);}

/* ---------- Buttons ---------- */
.btn{
  appearance:none;
  display:inline-block;
  border:none;
  cursor:pointer;
  font-family:var(--font-sans);
  font-weight:600;
  font-size:.95rem;
  padding:.8em 1.4em;
  border-radius:var(--radius);
  margin-top:1rem;
  transition:transform .12s ease, background .15s ease;
}
.btn:active{transform:translateY(1px);}
.btn:focus-visible{outline:2px solid var(--steel); outline-offset:2px;}
.btn-primary{background:var(--ink); color:var(--paper);}
.btn-primary:hover{background:var(--ink-dark);}
.btn-brass{background:var(--paper-warm); color:var(--ink); border:1px solid var(--line);}
.btn-brass:hover{background:var(--line);}
.btn-ghost{background:transparent; color:var(--ink); border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--ink);}
.btn-block{width:100%; text-align:center; display:block;}

/* ---------- Form (documenti) ---------- */
.form-wrap{max-width:560px; margin:0 auto; padding:2.4rem 1.5rem 4rem;}
.welcome-line{font-size:1rem; color:var(--ink); margin-bottom:1.4rem;}
.form-intro-title{font-size:1.25rem; margin-bottom:.8rem;}
.notice{
  background:var(--attention-bg);
  border:1.5px solid var(--attention);
  border-radius:10px;
  padding:1rem 1.2rem;
  font-size:.9rem;
  color:var(--ink);
  margin-bottom:1.6rem;
}
label{
  display:block;
  font-size:.82rem;
  font-weight:600;
  color:var(--ink-dark);
  margin:1rem 0 .3rem;
}
input[type=text], input[type=date], select{
  width:100%;
  padding:.65em .8em;
  border:1px solid var(--line);
  border-radius:var(--radius);
  font-family:var(--font-sans);
  font-size:.95rem;
  background:#fff;
  color:var(--ink);
}
input:focus, select:focus{outline:2px solid var(--steel); outline-offset:1px; border-color:var(--steel);}
.file-field{
  border:1px dashed var(--line);
  padding:.9em;
  border-radius:var(--radius);
  background:#fff;
}
.file-field input{margin-top:.4em;}

fieldset{
  border:1px solid var(--line);
  border-radius:8px;
  padding:1rem 1.1rem 1.2rem;
  margin-top:1.3rem;
}
.guest-row.collapsed{padding:.75rem 1.1rem;}
.guest-row.collapsed > legend,
.guest-row.collapsed > label,
.guest-row.collapsed > input,
.guest-row.collapsed > select,
.guest-row.collapsed > .guest-row-actions{
  display:none;
}
.guest-row-actions{
  display:flex;
  align-items:center;
  gap:1rem;
  margin-top:.9rem;
}
.guest-summary{
  display:none;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  font-weight:600;
  color:var(--ink);
}
.guest-row.collapsed .guest-summary{display:flex;}
.guest-summary-name{overflow:hidden; text-overflow:ellipsis; white-space:nowrap;}
.guest-summary-edit{
  background:none;
  border:none;
  cursor:pointer;
  color:var(--steel);
  font-size:.82rem;
  font-weight:600;
  padding:.2em .3em;
  flex-shrink:0;
}
.guest-summary-edit:hover{color:var(--ink);}
legend{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--steel);
  padding:0 .4em;
}
.guest-row-done{
  background:var(--ink);
  color:var(--paper);
  border:none;
  border-radius:6px;
  font-size:.82rem;
  font-weight:600;
  padding:.5em 1em;
  cursor:pointer;
}
.guest-row-done:hover{background:var(--ink-dark);}
.guest-row-remove{
  background:none; border:none;
  color:var(--err);
  font-size:.82rem;
  cursor:pointer;
  text-decoration:underline;
}
.checkbox-row{
  display:flex;
  align-items:flex-start;
  gap:.6em;
  margin-top:1.4rem;
  font-size:.85rem;
  color:var(--ink);
}
.checkbox-row input{
  width:22px;
  height:22px;
  min-width:22px;
  margin-top:.1em;
  accent-color:var(--ink);
  flex-shrink:0;
}

.form-actions{margin-top:.6rem;}
.form-error{color:var(--err); font-size:.85rem; margin-top:.6rem; display:none;}
.form-success{
  text-align:center;
  padding:3rem 1rem;
}
.form-success .tag{background:#E9F1EA; color:var(--ok); border-color:#c9dfcc;}

/* ---------- Modal ---------- */
.modal-backdrop{
  position:fixed; inset:0;
  background:rgba(27,36,32,.55);
  display:flex; align-items:center; justify-content:center;
  padding:1.2rem;
  z-index:50;
}
.modal{
  background:#fff;
  max-width:420px;
  width:100%;
  border-radius:12px;
  padding:1.6rem 1.5rem;
  border-top:4px solid var(--ink);
  box-shadow:0 12px 32px rgba(21,35,59,.18);
}
.modal-section{
  max-width:520px;
  max-height:85vh;
  overflow-y:auto;
  position:relative;
  padding-top:2.4rem;
}
.modal-close-x{
  position:absolute;
  top:.9rem;
  right:.9rem;
  width:32px;
  height:32px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--paper-warm);
  color:var(--ink);
  font-size:1.3rem;
  line-height:1;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
}
.modal-close-x:hover{background:var(--line);}
.modal-section-body .tag{margin-top:0;}
.modal-section-body .card:first-of-type{margin-top:.9rem;}
.modal h3{font-size:1.15rem;}
.modal .btn{margin-top:1.3rem;}

.hidden{display:none !important;}

footer{
  text-align:center;
  font-size:.78rem;
  color:#8a8f89;
  padding:1.6rem 1.5rem 2.4rem;
}