/* ==========================================================================
   Conferenza Nazionale dei Presidenti degli Ordini degli Architetti — L'Aquila
   Palette "aquilana": ispirata allo stemma cittadino (aquila nera in campo
   d'argento) e ai colori del gonfalone (nero e verde), con toni di pietra
   travertino e un accento oro per richiamare le "99" origini della città.
   ========================================================================== */

:root {
  --aq-black: #1c1c1c;        /* aquila nera dello stemma */
  --aq-silver: #f5f4f0;       /* campo d'argento / travertino chiaro */
  --aq-stone: #e4ddcd;        /* pietra travertino */
  --aq-stone-dark: #c9bfa4;
  --aq-green: #76823b;        /* verde oliva del logo ufficiale dell'Ordine */
  --aq-green-dark: #4b5427;   /* variante scura dello stesso verde, per sfondi ampi */
  --aq-gold: #b08d3d;         /* accento oro, richiamo alle 99 cannelle/castelli */
  --aq-red: #7a2e2b;          /* rosso mattone d'Abruzzo, uso puntuale */
  --aq-text: #262420;
  --aq-text-light: #6b6659;
  --aq-white: #ffffff;
  --radius: 6px;
  --shadow: 0 6px 24px rgba(28, 28, 28, 0.08);
  --max-width: 1180px;
  --font-serif: Georgia, 'Times New Roman', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--aq-text);
  background: var(--aq-white);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }

a { color: var(--aq-green); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--aq-black);
  line-height: 1.2;
  margin: 0 0 16px;
}

section { padding: 72px 0; }
section:nth-of-type(even) { background: var(--aq-silver); }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
  color: var(--aq-gold);
  font-weight: 700;
  margin-bottom: 10px;
  display: block;
}

.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: var(--radius);
  background: var(--aq-green);
  color: var(--aq-white);
  text-decoration: none;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background .2s ease, transform .15s ease;
}
.btn:hover { background: var(--aq-green-dark); transform: translateY(-1px); }
.btn.btn-gold { background: var(--aq-gold); color: var(--aq-black); }
.btn.btn-gold:hover { background: #957625; }
.btn.btn-outline {
  background: transparent;
  border: 2px solid var(--aq-white);
  color: var(--aq-white);
}
.btn.btn-outline:hover { background: rgba(255,255,255,.12); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--aq-white);
  border-bottom: 1px solid var(--aq-stone);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand img { height: 52px; width: auto; }
.brand .brand-text { font-family: var(--font-serif); line-height: 1.15; }
.brand .brand-text strong { display: block; font-size: 1rem; color: var(--aq-black); }
.brand .brand-text span { font-size: .8rem; color: var(--aq-text-light); }

.main-nav ul {
  display: flex;
  gap: 26px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.main-nav a {
  text-decoration: none;
  color: var(--aq-text);
  font-size: .92rem;
  font-weight: 600;
}
.main-nav a:hover { color: var(--aq-green); }
.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: linear-gradient(160deg, var(--aq-black) 0%, var(--aq-green-dark) 100%);
  color: var(--aq-white);
  padding: 100px 0 90px;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url('../img/collemaggio-interno.jpg') center / cover no-repeat;
  opacity: .28;
  pointer-events: none;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, var(--aq-black) 15%, rgba(28,28,28,.55) 60%, var(--aq-green-dark) 100%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero .eyebrow { color: var(--aq-gold); }
.hero h1 {
  color: var(--aq-white);
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  max-width: 780px;
}
.hero .subtitle {
  font-size: 1.15rem;
  max-width: 620px;
  color: #e7e4da;
  margin-bottom: 34px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin: 32px 0 40px;
}
.hero-meta div { min-width: 140px; }
.hero-meta .label { display: block; font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--aq-gold); margin-bottom: 4px; }
.hero-meta .value { font-size: 1.15rem; font-weight: 700; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- Info cards (programma / ente) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 36px;
}
.card {
  background: var(--aq-white);
  border: 1px solid var(--aq-stone);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
}
.card .icon {
  width: 48px; height: 48px;
  margin-bottom: 18px;
}
.card h3 { font-size: 1.15rem; }
.card ul { padding-left: 18px; margin: 12px 0 0; }
.card ul li { margin-bottom: 6px; }

/* ---------- Sedi ---------- */
.venue {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 56px;
}
.venue:last-child { margin-bottom: 0; }
.venue img { border-radius: var(--radius); box-shadow: var(--shadow); }
.venue h3 { margin-bottom: 6px; }
.venue .address { color: var(--aq-text-light); margin-bottom: 18px; }

/* ---------- Gallery / la città ---------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 36px;
}
.gallery figure { margin: 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: var(--aq-white); }
.gallery figure img { width: 100%; height: 190px; object-fit: cover; }
.gallery figcaption { font-size: .8rem; color: var(--aq-text-light); padding: 10px 12px; }

/* ---------- Hotel ---------- */
.hotel-card {
  border: 1px solid var(--aq-stone);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--aq-white);
  box-shadow: var(--shadow);
}
.hotel-card .hotel-body { padding: 24px; }
.hotel-card .price { font-weight: 700; color: var(--aq-green); font-size: 1.05rem; }

/* ---------- Come arrivare ---------- */
.arrivo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
  margin-top: 36px;
}
.arrivo-grid h4 { font-size: 1rem; margin-bottom: 8px; }

/* ---------- Form iscrizione ---------- */
.form-section { background: var(--aq-black); color: var(--aq-white); }
.form-section h2 { color: var(--aq-white); }
.form-section .eyebrow { color: var(--aq-gold); }
.form-wrap {
  background: var(--aq-white);
  color: var(--aq-text);
  border-radius: var(--radius);
  padding: 40px;
  margin-top: 30px;
  box-shadow: var(--shadow);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-grid .full { grid-column: 1 / -1; }
label { display: block; font-weight: 600; font-size: .88rem; margin-bottom: 6px; }
input[type="text"], input[type="email"], input[type="tel"], select, textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--aq-stone-dark);
  border-radius: var(--radius);
  font-size: .95rem;
  font-family: inherit;
  background: var(--aq-white);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--aq-green);
  outline-offset: 1px;
}
fieldset { border: 1px solid var(--aq-stone); border-radius: var(--radius); padding: 14px 16px; margin: 0; }
fieldset legend { font-weight: 600; font-size: .88rem; padding: 0 6px; }
.checkbox-row { display: flex; align-items: flex-start; gap: 10px; margin-top: 8px; }
.checkbox-row input { width: auto; margin-top: 4px; }
.checkbox-row label { font-weight: 400; font-size: .85rem; }
.consent-block {
  border: 1px solid var(--aq-stone);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-top: 22px;
  background: var(--aq-silver);
}
.consent-block .privacy-summary {
  max-height: 130px;
  overflow-y: auto;
  font-size: .82rem;
  color: var(--aq-text-light);
  border: 1px solid var(--aq-stone-dark);
  border-radius: var(--radius);
  padding: 10px 12px;
  margin-bottom: 12px;
  background: var(--aq-white);
}
.required-note { font-size: .78rem; color: var(--aq-text-light); margin-top: 6px; }
.form-msg { padding: 14px 16px; border-radius: var(--radius); margin-bottom: 20px; font-size: .92rem; display: none; }
.form-msg.success { background: #e4efe7; color: var(--aq-green-dark); border: 1px solid #b7d3bd; }
.form-msg.error { background: #f6e4e2; color: var(--aq-red); border: 1px solid #e3b6b0; }
.form-msg.visible { display: block; }
.field-error { color: var(--aq-red); font-size: .78rem; margin-top: 4px; display: none; }
.field-error.visible { display: block; }

/* ---------- Footer ---------- */
footer {
  background: var(--aq-green-dark);
  color: #d9e2dc;
  padding: 56px 0 28px;
  font-size: .9rem;
}
footer h4 { color: var(--aq-white); font-size: 1rem; margin-bottom: 14px; }
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  margin-bottom: 36px;
}
footer a { color: #d9e2dc; }
footer a:hover { color: var(--aq-gold); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.15);
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  font-size: .8rem;
  color: #a9b6ae;
}
.footer-bottom a { color: #a9b6ae; text-decoration: underline; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .main-nav { display: none; }
  .venue { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
}