/* ───── Design tokens ───── */
:root{
  --amf-green:#5cb85c;
  --amf-green-dark:#3a7d44;
  --amf-green-deep:#1f3d2b;
  --cs-lime:#A4C939;
  --cs-navy:#1F4E79;
  --cs-navy-dark:#143553;
  --green-100:#e8f3e9;
  --lime-100:#f0f5dc;
  --navy-100:#e3edf6;
  --ink:#1a1f1a;
  --ink-soft:#4a544a;
  --paper:#fafaf7;
  --paper-2:#f3f2ec;
  --line:#e5e3da;
  --radius:14px;
  --radius-lg:24px;
  --shadow-sm:0 1px 2px rgba(31,61,43,.06), 0 2px 8px rgba(31,61,43,.04);
  --shadow-md:0 8px 32px rgba(31,61,43,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',system-ui,sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

.display{
  font-family:'Fraunces',Georgia,serif;
  font-weight:400;
  letter-spacing:-.02em;
  font-variation-settings:"opsz" 144;
}

a{color:var(--cs-navy);text-decoration:none}
a:hover{text-decoration:underline}

.container{max-width:1140px;margin:0 auto;padding:0 24px}

/* ───── Top bar ───── */
.topbar{
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--line);
  padding:14px 0;
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(1.4) blur(8px);
}
.topbar .inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.logos{display:flex;align-items:center;gap:18px}
.logos img{display:block;width:auto}
.logos .amf-logo{height:48px}
.logos .cs-logo{height:32px}
.logo-sep{width:1px;height:34px;background:var(--line)}
.logo-x{font-size:11px;color:var(--ink-soft);font-weight:500;letter-spacing:.08em;text-transform:uppercase}
.topbar .cta{
  background:var(--cs-navy);color:#fff;padding:10px 20px;
  border-radius:999px;font-size:14px;font-weight:600;
  transition:background .2s;
}
.topbar .cta:hover{background:var(--cs-navy-dark);text-decoration:none;color:#fff}
@media(max-width:640px){
  .logos{gap:10px}
  .logos .amf-logo{height:38px}
  .logos .cs-logo{height:24px}
  .logo-x{display:none}
}

/* ───── Hero ───── */
.hero{
  position:relative;
  padding:80px 0 100px;
  overflow:hidden;
  background:
    radial-gradient(circle at 88% 18%, var(--lime-100) 0%, transparent 45%),
    radial-gradient(circle at 8% 90%, var(--navy-100) 0%, transparent 40%),
    var(--paper);
}
.hero-title-row{
  display:flex;
  flex-direction:row;
  flex-wrap:nowrap;
  align-items:flex-start;
  gap:40px;
  margin-bottom:32px;
  width:100%;
}
.hero-title-row h1{
  flex:1 1 auto;
  min-width:0;
  max-width:none;
  margin:0;
}
.hero-image{
  flex:0 0 550px;
  width:550px;
  height:280px;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-md);
}
.hero-slide{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:0;
  transition:opacity .8s ease-in-out;
}
.hero-slide.active{opacity:1;}
.hero-image{position:relative;}
@media(max-width:900px){
  .hero-title-row{flex-direction:column}
  .hero-image{flex:none;width:100%;height:200px}
}
.hero .eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);
  padding:8px 16px;border-radius:999px;
  font-size:13px;font-weight:500;color:var(--ink-soft);
  margin-bottom:32px;
}
.eyebrow .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--cs-lime);
  box-shadow:0 0 0 4px rgba(164,201,57,.25);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{50%{box-shadow:0 0 0 8px transparent}}

.hero h1{
  font-size:clamp(40px,6.5vw,80px);
  line-height:1.02;
  margin:0 0 24px;
  color:var(--amf-green-deep);
}
.hero h1 em{
  font-style:italic;
  font-variation-settings:"opsz" 144,"wght" 400;
  color:var(--cs-navy);
  position:relative;
}
.hero h1 em::after{
  content:'';position:absolute;left:0;right:0;bottom:6%;
  height:.18em;background:var(--cs-lime);
  z-index:-1;border-radius:2px;
}
.hero .lede{
  font-size:clamp(17px,1.6vw,20px);
  color:var(--ink-soft);
  max-width:55ch;
  margin:0 0 40px;
}

.hero-meta{
  display:flex;flex-wrap:wrap;gap:32px;
  padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  margin-bottom:40px;
}
.hero-meta .item{display:flex;flex-direction:column;gap:2px}
.hero-meta .label{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-soft);font-weight:600}
.hero-meta .value{font-family:'Fraunces',serif;font-size:22px;color:var(--amf-green-deep);font-weight:500}

.btn-primary{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--cs-navy);color:#fff;
  padding:18px 32px;border-radius:999px;
  font-size:16px;font-weight:600;
  transition:transform .15s, box-shadow .2s, background .2s;
  box-shadow:var(--shadow-md);
}
.btn-primary:hover{transform:translateY(-1px);text-decoration:none;background:var(--cs-navy-dark);color:#fff}
.btn-primary svg{transition:transform .2s}
.btn-primary:hover svg{transform:translateX(3px)}

.seats-info{margin-top:14px;font-size:13px;color:var(--ink-soft)}

/* ───── Section base ───── */
section{padding:80px 0}
.section-eyebrow{
  font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--amf-green-dark);margin-bottom:14px;
}
.section-title{
  font-size:clamp(32px,4.5vw,52px);
  line-height:1.1;color:var(--amf-green-deep);
  margin:0 0 24px;max-width:18ch;
}

/* ───── Rationale ───── */
.rationale{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.rationale-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.rationale-grid p{font-size:18px;color:var(--ink-soft);margin:0 0 20px;max-width:55ch}
.rationale-grid p:first-of-type::first-letter{
  font-family:'Fraunces',serif;font-size:72px;font-weight:400;
  float:left;line-height:.85;margin:6px 12px 0 0;color:var(--cs-navy);
}
@media(max-width:860px){.rationale-grid{grid-template-columns:1fr;gap:32px}}

/* ───── Programma ───── */
.program{background:var(--paper-2)}
.timeline{margin-top:48px;position:relative}
.timeline::before{
  content:'';position:absolute;left:78px;top:8px;bottom:8px;
  width:2px;background:linear-gradient(to bottom,var(--amf-green),var(--cs-lime),var(--cs-navy));
}
.slot{
  display:grid;grid-template-columns:90px 1fr;gap:32px;
  padding:24px 0;align-items:start;position:relative;
}
.slot+.slot{border-top:1px dashed var(--line)}
.slot .time{
  font-family:'Fraunces',serif;
  font-size:20px;font-weight:500;color:var(--amf-green-deep);
  position:relative;padding-top:2px;
}
.slot .time::after{
  content:'';position:absolute;right:-15px;top:8px;
  width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--amf-green);
}
.slot.highlight .time::after{border-color:var(--cs-navy);background:var(--navy-100)}
.slot.lectio .time::after{border-color:var(--cs-lime);background:var(--lime-100)}
.slot .body h3{
  font-family:'Fraunces',serif;font-weight:500;
  font-size:22px;line-height:1.25;margin:0 0 8px;color:var(--amf-green-deep);
}
.slot .body .speaker{font-size:15px;color:var(--ink-soft);margin:0}
.slot .body .speaker strong{color:var(--ink);font-weight:600}
.slot .tag{
  display:inline-block;font-size:11px;font-weight:600;
  text-transform:uppercase;letter-spacing:.12em;
  background:var(--lime-100);color:var(--amf-green-dark);
  padding:4px 10px;border-radius:999px;margin-bottom:10px;
}
.slot .tag.navy{background:var(--navy-100);color:var(--cs-navy)}
@media(max-width:600px){
  .timeline::before{left:0}
  .slot{grid-template-columns:1fr;gap:8px;padding-left:24px}
  .slot .time::after{left:-30px;right:auto;top:6px}
}

/* ───── Speakers ───── */
.speakers{background:#fff;border-top:1px solid var(--line)}
.speaker-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:24px;margin-top:48px;
}
.speaker-card{
  background:var(--paper);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px;
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.speaker-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--cs-lime)}
.speaker-avatar{
  width:56px;height:56px;border-radius:50%;
  background:linear-gradient(135deg,var(--cs-lime),var(--amf-green-dark));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-family:'Fraunces',serif;font-size:22px;font-weight:500;
  margin-bottom:18px;
}
.speaker-card.navy .speaker-avatar{background:linear-gradient(135deg,var(--cs-navy),var(--cs-navy-dark))}
.speaker-card h4{
  font-family:'Fraunces',serif;font-weight:500;font-size:19px;
  margin:0 0 6px;color:var(--amf-green-deep);
}
.speaker-card .role{font-size:13px;color:var(--ink-soft);line-height:1.5}
.li-link{display:inline-flex;align-items:center;gap:5px;margin-top:10px;font-size:12px;font-weight:600;color:#0077b5;text-decoration:none;opacity:.8;transition:opacity .2s}
.li-link:hover{opacity:1;text-decoration:none}
.speaker-card.navy .li-link{color:#0077b5}

/* ───── Location ───── */
.location{
  background:linear-gradient(135deg,var(--amf-green-deep) 0%,var(--cs-navy-dark) 100%);
  color:#fff;
}
.location .section-title{color:#fff}
.location .section-eyebrow{color:var(--cs-lime)}
.location-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;margin-top:32px}
.location-info p{color:rgba(255,255,255,.85);font-size:17px;line-height:1.7}
.location-info .address{
  font-family:'Fraunces',serif;font-size:24px;color:#fff;font-weight:500;
  margin:24px 0 8px;
}
.location-info .map-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--cs-lime);font-weight:600;margin-top:16px;
}
.location-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-lg);
  aspect-ratio:4/3;
  overflow:hidden;position:relative;
}
.location-card iframe{width:100%;height:100%;border:0;filter:grayscale(.3) contrast(.95)}
@media(max-width:860px){.location-grid{grid-template-columns:1fr;gap:32px}}

/* ───── Form ───── */
.form-section{
  background:
    radial-gradient(circle at 90% 10%, var(--lime-100) 0%, transparent 35%),
    var(--paper);
}
.form-wrap{
  max-width:640px;margin:0 auto;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:48px;box-shadow:var(--shadow-md);
}
.form-wrap .section-eyebrow{text-align:center}
.form-wrap .section-title{text-align:center;margin:0 auto 12px;max-width:none}
.form-wrap .form-lede{text-align:center;color:var(--ink-soft);margin:0 0 32px}

.field{margin-bottom:18px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:520px){.field-row{grid-template-columns:1fr}}
label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px}
label .req{color:var(--cs-navy)}
input[type=text],input[type=email],input[type=tel]{
  width:100%;padding:12px 14px;
  border:1px solid var(--line);border-radius:10px;
  font-family:inherit;font-size:15px;
  background:var(--paper);
  transition:border-color .15s,background .15s,box-shadow .15s;
}
input:focus{
  outline:none;border-color:var(--cs-lime);background:#fff;
  box-shadow:0 0 0 3px var(--lime-100);
}

/* Honeypot: nascosto a utenti veri, visibile ai bot */
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.checkbox-field{display:flex;gap:10px;align-items:flex-start;margin-bottom:14px}
.checkbox-field input{margin-top:3px;flex-shrink:0;accent-color:var(--cs-navy)}
.checkbox-field label{font-size:13px;color:var(--ink-soft);font-weight:400;line-height:1.5;margin:0}
.checkbox-field a{color:var(--cs-navy);text-decoration:underline}

.submit-btn{
  width:100%;background:var(--cs-navy);color:#fff;
  padding:16px;border:none;border-radius:999px;
  font-size:16px;font-weight:600;cursor:pointer;
  margin-top:14px;
  transition:background .2s,transform .15s;
  font-family:inherit;
}
.submit-btn:hover{background:var(--cs-navy-dark);transform:translateY(-1px)}

.form-foot{text-align:center;font-size:12px;color:var(--ink-soft);margin-top:18px}

/* Alerts */
.alert{
  padding:14px 18px;border-radius:10px;margin-bottom:20px;
  font-size:14px;line-height:1.5;
}
.alert.error{background:#fdecea;border-left:4px solid #c0392b;color:#7d1a14}
.alert.success{background:#e8f5e9;border-left:4px solid var(--amf-green-dark);color:#1b5e20}
.alert ul{margin:6px 0 0;padding-left:18px}

/* ───── Banner comestai ───── */
.banner-cs{padding:48px 0;}
.banner-cs a{display:block;}
.banner-cs img{
  width:100%;
  max-width:680px;
  display:block;
  margin:0 auto;
  border-radius:20px;
  box-shadow:var(--shadow-md);
  transition:transform .2s ease,box-shadow .2s ease;
}
.banner-cs img:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 40px rgba(31,61,43,.15);
}

/* ───── Footer ───── */
footer{
  background:#fff;border-top:1px solid var(--line);
  padding:48px 0 32px;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;
  margin-bottom:32px;
}
@media(max-width:720px){.footer-grid{grid-template-columns:1fr;gap:24px}}
.footer-logos{display:flex;align-items:center;gap:20px;margin-bottom:14px}
.footer-logos img{width:auto}
.footer-logos .amf-foot{height:38px}
.footer-logos .cs-foot{height:24px}
.footer-grid p,.footer-grid li{font-size:13px;color:var(--ink-soft);line-height:1.7}
.footer-grid h5{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--ink);margin:0 0 10px;font-weight:700}
.footer-grid ul{list-style:none;margin:0;padding:0}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:20px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:12px;color:var(--ink-soft);
}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .8s,transform .8s}
.reveal.in{opacity:1;transform:none}