/* ═══════════════════════════════════════════════════════════════════
   DENTAL SUMMIT 2026 — VISADENT
   Foglio di stile principale
   -------------------------------------------------------------------
   ▸ TUTTI i colori, font e spaziature sono qui sotto (:root).
     Cambia un valore qui e si aggiorna in tutto il sito.
   ═══════════════════════════════════════════════════════════════════ */

:root {
  /* ---- COLORI (concept dall'header) ---- */
  --c-bg:          #16181c;   /* fondo scuro principale (charcoal) */
  --c-bg-alt:      #1b1e24;   /* fondo sezioni alternate */
  --c-surface:     #23272f;   /* card / superfici */
  --c-surface-2:   #2b303a;   /* superfici in evidenza */
  --c-line:        #333944;   /* bordi sottili */

  --c-white:       #ffffff;
  --c-text:        #d9dce1;   /* testo su fondo scuro */
  --c-muted:       #9aa1ab;   /* testo secondario */

  --c-cream:       #e7dccb;   /* crema caldo (sottotitoli poster) */
  --c-cream-soft:  #cbbfa9;

  --c-accent:      #35b7c6;   /* teal Visadent (accento/CTA) */
  --c-accent-2:    #2795a3;   /* teal scuro (hover) */
  --c-blue:        #1f4e8c;   /* blu del flyer */
  --c-blue-deep:   #14315a;

  /* ---- TIPOGRAFIA ---- */
  --font-display: 'Poppins', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;

  /* ---- LAYOUT ---- */
  --maxw: 1200px;
  --radius: 16px;
  --radius-sm: 10px;
  --gap: clamp(1.5rem, 4vw, 3rem);
  --section-y: clamp(4rem, 9vw, 8rem);
  --shadow: 0 20px 50px -20px rgba(0,0,0,.6);
  --transition: .35s cubic-bezier(.4,0,.2,1);
}

/* ─── RESET ─── */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

/* ─── UTILITY ─── */
.container { width: min(100% - 2.5rem, var(--maxw)); margin-inline: auto; }
.section { padding-block: var(--section-y); }
.section.about,
.section.programma,
.section.gallery,
.section.location { background: var(--c-bg-alt); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: .9rem;
}
.eyebrow-light { color: var(--c-cream); }

h1,h2,h3,h4 { font-family: var(--font-display); line-height: 1.15; color: var(--c-white); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); letter-spacing: -.02em; }
h3 { font-size: 1.25rem; }

.section-head { max-width: 640px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head.reveal { }
.section-sub { color: var(--c-muted); margin-top: 1rem; }

/* ─── BOTTONI ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem;
  padding: .95rem 1.9rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .98rem;
  border: 1.5px solid transparent;
  transition: transform var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--c-accent);
  color: #06282c;
  box-shadow: 0 10px 30px -12px var(--c-accent);
}
.btn-primary:hover { background: var(--c-accent-2); color: #fff; }
.btn-ghost {
  background: transparent;
  color: var(--c-cream);
  border-color: rgba(231,220,203,.35);
}
.btn-ghost:hover { border-color: var(--c-cream); background: rgba(231,220,203,.08); }
.btn-block { width: 100%; }

/* ═══════════════════════════════════════════════════════════════════
   HEADER / NAV
   ═══════════════════════════════════════════════════════════════════ */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  padding-block: 1rem;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(18,20,24,.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--c-line);
  padding-block: .55rem;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand-logo { height: 42px; width: auto; }
.site-header.scrolled .brand-logo { height: 36px; }

.main-nav { display: flex; align-items: center; gap: 2rem; }
.main-nav a { font-weight: 500; font-size: .95rem; color: var(--c-text); transition: color var(--transition); }
.main-nav a:hover { color: var(--c-accent); }
.nav-cta {
  background: var(--c-accent); color: #06282c !important;
  padding: .6rem 1.3rem; border-radius: 999px; font-weight: 600;
  font-family: var(--font-display);
}
.nav-cta:hover { background: var(--c-accent-2); color: #fff !important; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: .4rem; }
.nav-toggle span { width: 26px; height: 2px; background: var(--c-white); transition: var(--transition); }

/* Menu a tendina "Edizioni passate" */
.nav-dropdown { position: relative; }
.nav-drop-toggle {
  font-family: var(--font-body); font-weight: 500; font-size: .95rem; color: var(--c-text);
  background: none; border: 0; cursor: pointer; padding: 0;
  display: inline-flex; align-items: center; gap: .35rem; transition: color var(--transition);
}
.nav-drop-toggle::after { content: '▾'; font-size: .7em; color: var(--c-accent); }
.nav-drop-toggle:hover { color: var(--c-accent); }
.nav-drop-menu {
  position: absolute; top: calc(100% + .7rem); left: 50%;
  transform: translateX(-50%) translateY(6px);
  background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius-sm);
  padding: .5rem; min-width: 185px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: .15rem;
  opacity: 0; visibility: hidden; transition: var(--transition);
}
.nav-dropdown:hover .nav-drop-menu,
.nav-dropdown:focus-within .nav-drop-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav-drop-menu a { padding: .6rem .9rem; border-radius: 8px; font-size: .92rem; color: var(--c-text); }
.nav-drop-menu a:hover { background: var(--c-surface-2); color: var(--c-accent); }

/* ═══════════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding-block: 7rem 4rem;
  overflow: hidden;
}
/* Sfondo fotografico immersivo dell'hero: assets/images/hero-bg.jpg (CEO) */
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: var(--c-bg) url('../assets/images/hero-bg.jpg') right center / cover no-repeat;
}
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(9,11,15,.96) 0%, rgba(9,11,15,.88) 42%, rgba(10,12,16,.55) 70%, rgba(10,12,16,.16) 100%),
    linear-gradient(0deg, rgba(9,11,15,.55) 0%, transparent 45%);
}
.hero-container { position: relative; z-index: 2; }
.hero-content { max-width: 720px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .5rem 1.05rem;
  border: 1px solid rgba(231,220,203,.28);
  border-radius: 999px;
  font-size: .85rem; font-weight: 500; color: var(--c-cream);
  margin-bottom: 1.8rem;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-accent); box-shadow: 0 0 0 4px rgba(53,183,198,.2); }

.hero-title {
  font-size: clamp(3rem, 9vw, 6.2rem);
  font-weight: 800; letter-spacing: -.03em; line-height: .98;
  color: var(--c-white);
}
.hero-title span { color: var(--c-white); }
.hero-subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 4.2vw, 2.22rem);
  color: var(--c-cream); font-weight: 500; letter-spacing: -.01em;
  margin-top: 1rem;
}
.hero-heading {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.3vw, 1.5rem);
  font-weight: 600; color: var(--c-white); line-height: 1.32;
  max-width: 30ch; margin-top: 1.8rem;
}
.hero-lead { color: var(--c-text); font-size: 1.08rem; max-width: 560px; margin-top: .7rem; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.2rem; }

.hero-meta {
  display: flex; flex-wrap: wrap; gap: 2.4rem;
  margin-top: 3rem; padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,.12);
}
.hero-meta-item { display: flex; flex-direction: column; }
.hero-meta-item strong { font-family: var(--font-display); color: var(--c-white); font-size: 1.05rem; }
.hero-meta-item span { color: var(--c-muted); font-size: .85rem; }

.hero-scroll {
  position: absolute; bottom: 1.6rem; left: 50%; transform: translateX(-50%);
  width: 26px; height: 42px; border: 2px solid rgba(255,255,255,.3); border-radius: 14px;
  display: flex; justify-content: center; z-index: 2;
}
.hero-scroll span { width: 4px; height: 8px; background: var(--c-accent); border-radius: 2px; margin-top: 7px; animation: scrolldot 1.6s infinite; }
@keyframes scrolldot { 0%{opacity:0;transform:translateY(-4px)} 50%{opacity:1} 100%{opacity:0;transform:translateY(10px)} }

/* ═══════════════════════════════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════════════════════════════ */
/* Sfondo fotografico in trasparenza del box "L'evento" (gallery-07) */
.section.about { position: relative; overflow: hidden; }
.section.about::before {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background: url('../assets/images/gallery-07.jpg') center / cover no-repeat;
  opacity: .10;
}
.section.about > .container { position: relative; z-index: 1; }

.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: var(--gap); align-items: center; }
.about-text p { color: var(--c-muted); margin-top: 1.1rem; font-size: 1.05rem; }
.about-text strong { color: var(--c-text); }
.about-quote {
  background: linear-gradient(160deg, var(--c-surface), var(--c-bg));
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-accent);
  border-radius: var(--radius);
  padding: 2.2rem;
}
.about-quote blockquote { font-family: var(--font-display); font-size: 1.35rem; font-weight: 500; color: var(--c-cream); line-height: 1.4; }
.about-quote figcaption { margin-top: 1.4rem; }
.about-quote figcaption strong { display: block; color: var(--c-white); font-family: var(--font-display); }
.about-quote figcaption span { color: var(--c-muted); font-size: .9rem; }

/* ═══════════════════════════════════════════════════════════════════
   A CHI È RIVOLTO
   ═══════════════════════════════════════════════════════════════════ */
.audience {
  margin-top: var(--gap);
  display: grid; grid-template-columns: 1.25fr 1fr; gap: var(--gap); align-items: center;
  background: linear-gradient(150deg, var(--c-surface), var(--c-bg));
  border: 1px solid var(--c-line); border-left: 3px solid var(--c-accent);
  border-radius: var(--radius); padding: clamp(1.8rem, 4vw, 2.8rem);
}
.audience h3 { color: var(--c-white); font-size: 1.5rem; margin: .3rem 0 .9rem; }
.audience p { color: var(--c-muted); }
.audience p strong { color: var(--c-text); }
.audience-list { display: flex; flex-wrap: wrap; gap: .7rem; }
.audience-list li {
  background: var(--c-bg); border: 1px solid var(--c-line);
  color: var(--c-cream); padding: .6rem 1.15rem; border-radius: 999px;
  font-family: var(--font-display); font-weight: 500; font-size: .95rem;
}
@media (max-width: 760px) { .audience { grid-template-columns: 1fr; } }

/* ═══════════════════════════════════════════════════════════════════
   BENEFITS
   ═══════════════════════════════════════════════════════════════════ */
.benefits-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.benefit-card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: 1.8rem 1.6rem;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.benefit-card:hover { transform: translateY(-6px); border-color: var(--c-accent); background: var(--c-surface-2); }
.benefit-icon {
  width: 52px; height: 52px; border-radius: 13px; margin-bottom: 1.1rem;
  display: grid; place-items: center; color: var(--c-accent);
  background: rgba(53,183,198,.12); border: 1px solid rgba(53,183,198,.28);
  transition: background var(--transition), color var(--transition);
}
.benefit-icon svg { width: 27px; height: 27px; display: block; }
.benefit-card:hover .benefit-icon { background: var(--c-accent); color: #06282c; }
.benefit-card h3 { color: var(--c-white); margin-bottom: .5rem; font-size: 1.1rem; }
.benefit-card p { color: var(--c-muted); font-size: .95rem; }

/* ═══════════════════════════════════════════════════════════════════
   PROGRAMMA / TIMELINE
   ═══════════════════════════════════════════════════════════════════ */
.timeline { position: relative; max-width: 820px; margin-inline: auto; }
.timeline::before { content:''; position:absolute; left: 150px; top: 8px; bottom: 8px; width: 2px; background: var(--c-line); }
.timeline-item { position: relative; display: grid; grid-template-columns: 150px 1fr; gap: 2rem; padding-bottom: 2.4rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-time {
  font-family: var(--font-display); font-weight: 600; color: var(--c-accent);
  text-align: right; padding-right: 1.6rem; font-size: .95rem;
}
.timeline-body { position: relative; padding-left: 1.6rem; }
.timeline-body::before {
  content:''; position: absolute; left: -7px; top: 6px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--c-bg-alt); border: 3px solid var(--c-accent);
}
.timeline-body h3 { color: var(--c-white); margin-bottom: .4rem; }
.timeline-body p { color: var(--c-muted); }
.timeline-body strong { color: var(--c-text); }

.chips { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: .9rem; }
.chips li {
  background: var(--c-surface); border: 1px solid var(--c-line);
  color: var(--c-cream); padding: .4rem .9rem; border-radius: 999px; font-size: .85rem;
}

.extra {
  margin-top: 3.5rem;
  background: linear-gradient(150deg, var(--c-surface), var(--c-bg));
  border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: clamp(1.8rem, 4vw, 2.6rem);
}
.extra h3 { color: var(--c-white); margin-bottom: 1.2rem; }
.extra-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem 2rem; }
.extra-list li { position: relative; padding-left: 1.6rem; color: var(--c-muted); }
.extra-list li::before { content:'✓'; position: absolute; left: 0; color: var(--c-accent); font-weight: 700; }
.extra-list strong { color: var(--c-text); }
.extra-note { margin-top: 1.6rem; color: var(--c-cream); font-weight: 500; }

/* Box Free Bar */
.freebar {
  margin-top: 1.8rem; display: flex; align-items: center; gap: 1.3rem;
  background: radial-gradient(140% 180% at 100% 0%, rgba(255,255,255,.22), transparent 55%),
    linear-gradient(135deg, var(--c-accent-2), var(--c-accent));
  border-radius: var(--radius); padding: 1.3rem 1.7rem; color: #052226;
  box-shadow: 0 16px 36px -18px rgba(53,183,198,.7);
}
.freebar-glass {
  flex: 0 0 auto; width: 56px; height: 56px; border-radius: 50%;
  background: rgba(255,255,255,.9); display: grid; place-items: center; font-size: 1.8rem; line-height: 1;
}
.freebar strong {
  display: block; font-family: var(--font-display); font-weight: 800;
  font-size: 1.55rem; letter-spacing: .03em; color: #052226; text-transform: uppercase;
}
.freebar p { color: #08363b; font-weight: 500; margin-top: .15rem; }

/* ═══════════════════════════════════════════════════════════════════
   RELATORI
   ═══════════════════════════════════════════════════════════════════ */
.speakers-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; max-width: 940px; margin: 0 auto; }
.speaker-card {
  background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: var(--radius); padding: 2rem 1.6rem; text-align: center;
  transition: transform var(--transition), border-color var(--transition);
}
.speaker-card:hover { transform: translateY(-6px); border-color: var(--c-accent); }
/* Avatar: mostra le iniziali; per usare una foto vera, imposta
   background-image su .speaker-avatar (vedi README). */
.speaker-avatar {
  width: 92px; height: 92px; border-radius: 50%; margin: 0 auto 1.2rem;
  background: linear-gradient(145deg, var(--c-blue), var(--c-accent));
  display: grid; place-items: center; position: relative;
  background-size: cover; background-position: center;
}
.speaker-avatar::after {
  content: attr(data-initials);
  font-family: var(--font-display); font-weight: 700; font-size: 1.6rem; color: #fff;
}
.speaker-avatar[style*="url"]::after { content: ''; }
.speaker-card h3 { color: var(--c-white); }
.speaker-role { display: block; color: var(--c-accent); font-size: .85rem; font-weight: 600; margin: .3rem 0 .8rem; }
.speaker-card p { color: var(--c-muted); font-size: .92rem; }

/* ═══════════════════════════════════════════════════════════════════
   GALLERY
   ═══════════════════════════════════════════════════════════════════ */
.gallery-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px; gap: 1rem;
}
.gallery-item { overflow: hidden; border-radius: var(--radius-sm); background: var(--c-surface); }
.gallery-item.wide { grid-column: span 2; }
.gallery-item.tall { grid-row: span 2; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.gallery-item:hover img { transform: scale(1.06); }

/* ═══════════════════════════════════════════════════════════════════
   TESTIMONIANZE (reel 9:16)
   ═══════════════════════════════════════════════════════════════════ */
.testimonials { background: var(--c-bg-alt); }
.reels {
  display: flex; gap: 1.6rem;
  justify-content: center;
  overflow-x: auto; scroll-snap-type: x mandatory;
  padding-bottom: 1rem; margin-inline: calc(var(--gap) * -1); padding-inline: var(--gap);
}
.reel { flex: 0 0 clamp(230px, 24vw, 290px); scroll-snap-align: center; }
.reel-video {
  width: 100%; aspect-ratio: 9 / 16; object-fit: cover;
  border-radius: var(--radius); border: 1px solid var(--c-line);
  background: #000; display: block; box-shadow: var(--shadow);
}
/* Reel incorporato (Google Drive) in formato verticale 9:16 */
.reel-frame {
  position: relative; width: 100%; aspect-ratio: 9 / 16;
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--c-line); background: #000; box-shadow: var(--shadow);
}
.reel-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
/* Facade "click-to-play": poster del testimone + pulsante play; il video Drive
   viene caricato solo al click (più veloce e anteprime personalizzate). */
.reel-play {
  position: absolute; inset: 0; width: 100%; height: 100%; padding: 0; border: 0;
  cursor: pointer; background-color: #000; background-size: cover; background-position: center;
  display: grid; place-items: center;
}
.reel-play::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 46%, rgba(0,0,0,.30), rgba(0,0,0,.06) 42%, transparent 64%);
  transition: background .2s ease;
}
.reel-play-icon {
  position: relative; width: 66px; height: 66px; border-radius: 50%;
  background: rgba(255,255,255,.92); box-shadow: 0 10px 28px -8px rgba(0,0,0,.65);
  display: grid; place-items: center; transition: transform .2s ease, background .2s ease;
}
.reel-play-icon::after {
  content: ''; width: 0; height: 0; margin-left: 5px;
  border-left: 20px solid var(--c-accent); border-top: 12px solid transparent; border-bottom: 12px solid transparent;
}
.reel-play:hover .reel-play-icon { transform: scale(1.08); background: #fff; }
.reel-play:hover::before { background: radial-gradient(circle at 50% 46%, rgba(0,0,0,.18), transparent 60%); }
.reel-play:focus-visible { outline: 3px solid var(--c-accent); outline-offset: 3px; }
/* Lightbox video (il player Drive ha bisogno di spazio: lo apriamo grande e centrato) */
.reel-lightbox {
  position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center;
  padding: 4vh 4vw; background: rgba(6,10,16,.88); backdrop-filter: blur(4px);
  animation: reelFade .18s ease;
}
@keyframes reelFade { from { opacity: 0; } to { opacity: 1; } }
.reel-lightbox__inner {
  position: relative; height: min(86vh, 900px); aspect-ratio: 9 / 16; max-width: 94vw;
  background: #000; border-radius: 16px; overflow: hidden; box-shadow: 0 30px 90px -20px rgba(0,0,0,.85);
}
.reel-lightbox__inner iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.reel-lightbox__close {
  position: absolute; top: 18px; right: 18px; width: 46px; height: 46px; border-radius: 50%;
  background: rgba(255,255,255,.92); color: #06282c; border: 0; cursor: pointer;
  font-size: 26px; line-height: 1; display: grid; place-items: center; z-index: 2;
  box-shadow: 0 8px 22px -6px rgba(0,0,0,.6); transition: transform var(--transition);
}
.reel-lightbox__close:hover { transform: scale(1.08); background: #fff; }
.reel figcaption { margin-top: 1rem; text-align: center; }
.reel figcaption strong { display: block; color: var(--c-white); font-family: var(--font-display); }
.reel figcaption span { color: var(--c-accent); font-size: .85rem; font-weight: 600; }
@media (max-width: 760px) { .reels { justify-content: flex-start; } }

/* ═══════════════════════════════════════════════════════════════════
   PARTNERS
   ═══════════════════════════════════════════════════════════════════ */
.partners-grid {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: 1rem;
}
.partner-logo {
  background: #fff; border-radius: 12px;
  height: 72px; min-width: 132px; padding: .8rem 1.4rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 22px -12px rgba(0,0,0,.55);
  transition: transform var(--transition);
}
.partner-logo:hover { transform: translateY(-4px); }
.partner-logo img { max-height: 38px; max-width: 108px; width: auto; height: auto; object-fit: contain; }
.partner-logo--name {
  font-family: var(--font-display); font-weight: 700;
  color: #2c313a; font-size: 1.02rem; letter-spacing: .01em;
}

/* ═══════════════════════════════════════════════════════════════════
   LOCATION
   ═══════════════════════════════════════════════════════════════════ */
.location-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: var(--gap); align-items: center; }
.location-info { margin: 1.6rem 0 2rem; display: grid; gap: .8rem; }
.location-info li { color: var(--c-muted); padding-left: 1.4rem; position: relative; }
.location-info li::before { content:'▸'; position:absolute; left:0; color: var(--c-accent); }
.location-info strong { color: var(--c-text); }
.location-map { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--c-line); box-shadow: var(--shadow); }
.location-map iframe { width: 100%; height: 380px; border: 0; display: block; filter: grayscale(.3) contrast(1.05); }

/* ═══════════════════════════════════════════════════════════════════
   REGISTER / FORM
   ═══════════════════════════════════════════════════════════════════ */
.register {
  background:
    linear-gradient(150deg, var(--c-blue-deep), var(--c-bg) 55%),
    var(--c-bg);
}
.register-inner { display: grid; grid-template-columns: 1fr 1.05fr; gap: var(--gap); align-items: start; }
.register-head h2 { margin-bottom: 1rem; }
.register-head p { color: var(--c-text); font-size: 1.05rem; }
.register-head strong { color: var(--c-cream); }
.register-phone { margin-top: 1.4rem !important; color: var(--c-muted) !important; }
.register-phone a { color: var(--c-accent); font-weight: 600; }

.register-form {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: clamp(1.6rem, 4vw, 2.4rem);
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.1rem; display: flex; flex-direction: column; gap: .45rem; }
.form-group label { font-size: .88rem; font-weight: 500; color: var(--c-text); }
.form-group input,
.form-group select {
  width: 100%;
  background: var(--c-bg);
  border: 1.5px solid var(--c-line);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  color: var(--c-white); font-family: inherit; font-size: .98rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input::placeholder { color: var(--c-muted); }
.form-group input:focus,
.form-group select:focus {
  outline: none; border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(53,183,198,.18);
}
.form-group select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2335b7c6' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.6rem;
}
.form-group.invalid input,
.form-group.invalid select { border-color: #e2564f; box-shadow: 0 0 0 3px rgba(226,86,79,.15); }

.form-consent .checkbox { flex-direction: row; align-items: flex-start; gap: .7rem; font-size: .85rem; color: var(--c-muted); cursor: pointer; }
.form-consent input { width: 18px; height: 18px; margin-top: .15rem; accent-color: var(--c-accent); flex-shrink: 0; }

.form-feedback { margin-top: 1rem; font-size: .95rem; text-align: center; min-height: 1.2rem; }
.form-feedback.success { color: #4fd08a; }
.form-feedback.error { color: #ff8a82; }

/* honeypot: nascosto agli umani, visibile ai bot */
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* stato invio */
#submitBtn.loading { opacity: .7; pointer-events: none; }

/* ═══════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════ */
.site-footer { background: #101216; border-top: 1px solid var(--c-line); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--gap); padding-block: clamp(2.5rem, 5vw, 4rem); }
.footer-logo { height: 40px; margin-bottom: 1rem; }
.footer-brand p { color: var(--c-muted); max-width: 300px; }
.footer-col h4 { color: var(--c-white); font-size: 1rem; margin-bottom: 1rem; }
.footer-col a, .footer-col span { display: block; color: var(--c-muted); margin-bottom: .55rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--c-accent); }
.footer-bottom { border-top: 1px solid var(--c-line); padding-block: 1.4rem; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.footer-bottom span { color: var(--c-muted); font-size: .82rem; }

/* ═══════════════════════════════════════════════════════════════════
   ANIMAZIONI (reveal on scroll)
   ═══════════════════════════════════════════════════════════════════ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .hero-scroll span { animation: none; }
}

/* ═══════════════════════════════════════════════════════════════════
   BOX ECM (formazione accreditata)
   ═══════════════════════════════════════════════════════════════════ */
.ecm {
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(53,183,198,.5), transparent 55%),
    linear-gradient(120deg, var(--c-blue-deep), var(--c-blue) 60%, var(--c-accent-2));
  position: relative; overflow: hidden;
}
.ecm-inner { display: grid; grid-template-columns: auto 1fr; gap: clamp(1.6rem, 4vw, 3.5rem); align-items: center; }
.ecm-badge {
  width: clamp(150px, 20vw, 210px); aspect-ratio: 1; border-radius: 30px;
  background: rgba(255,255,255,.12); border: 2px solid rgba(255,255,255,.55);
  display: grid; place-content: center; text-align: center; color: #fff;
  box-shadow: 0 20px 50px -20px rgba(0,0,0,.55);
}
.ecm-badge-top, .ecm-badge-bot { font-size: .78rem; letter-spacing: .16em; text-transform: uppercase; color: var(--c-cream); }
.ecm-badge-main { font-family: var(--font-display); font-weight: 800; font-size: clamp(2.8rem, 6vw, 4.2rem); line-height: 1; margin: .1rem 0; }
.ecm .eyebrow { color: var(--c-cream); }
.ecm-content h2 { color: #fff; }
.ecm-content p { color: rgba(255,255,255,.92); margin-top: 1rem; max-width: 60ch; }
.ecm-list { display: flex; flex-wrap: wrap; gap: .7rem 1.6rem; margin: 1.4rem 0 1.8rem; }
.ecm-list li { position: relative; padding-left: 1.7rem; color: #fff; font-weight: 500; }
.ecm-list li::before { content: '✓'; position: absolute; left: 0; color: var(--c-cream); font-weight: 800; }
.ecm .btn { background: #fff; color: var(--c-blue-deep); box-shadow: 0 10px 30px -12px rgba(0,0,0,.5); }
.ecm .btn:hover { background: var(--c-cream); color: var(--c-blue-deep); }

/* ═══════════════════════════════════════════════════════════════════
   PAGINE EDIZIONE (recap 2024 / 2025)
   ═══════════════════════════════════════════════════════════════════ */
.page-hero {
  position: relative; padding: clamp(9rem, 16vw, 12rem) 0 clamp(3rem, 6vw, 5rem);
  background:
    linear-gradient(180deg, rgba(9,11,15,.75), rgba(9,11,15,.95)),
    radial-gradient(120% 90% at 100% 0%, rgba(31,78,140,.4), transparent 55%),
    var(--c-bg);
  overflow: hidden;
}
.page-hero .eyebrow { margin-bottom: 1rem; }
.page-hero h1 { font-size: clamp(2.6rem, 7vw, 4.6rem); color: var(--c-white); letter-spacing: -.02em; line-height: 1; }
.page-hero .page-hero-sub { color: var(--c-cream); font-family: var(--font-display); font-size: clamp(1.05rem, 2.4vw, 1.4rem); margin-top: 1rem; }
.page-hero .page-hero-lead { color: var(--c-muted); max-width: 620px; margin-top: 1.4rem; font-size: 1.08rem; }
.page-hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.stat {
  background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: var(--radius); padding: 1.8rem 1.4rem; text-align: center;
}
.stat-num { font-family: var(--font-display); font-weight: 800; font-size: clamp(2rem, 4vw, 2.8rem); color: var(--c-accent); line-height: 1; }
.stat-label { color: var(--c-muted); font-size: .9rem; margin-top: .5rem; }

.recap-text { max-width: 760px; }
.recap-text p { color: var(--c-muted); margin-top: 1.1rem; font-size: 1.06rem; }
.recap-text strong { color: var(--c-text); }

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .speakers-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .main-nav {
    position: fixed; inset: 0 0 0 auto; width: min(80vw, 320px);
    background: var(--c-bg-alt); flex-direction: column; align-items: flex-start;
    justify-content: center; gap: 1.6rem; padding: 2rem;
    transform: translateX(100%); transition: transform var(--transition);
    box-shadow: -20px 0 60px rgba(0,0,0,.5);
  }
  .main-nav.open { transform: none; }
  .nav-toggle { display: flex; z-index: 101; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .about-grid, .location-grid, .register-inner { grid-template-columns: 1fr; }
  .extra-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }

  /* Menu a tendina: nel menu mobile mostra i link espansi */
  .nav-drop-menu {
    position: static; transform: none; opacity: 1; visibility: visible;
    box-shadow: none; border: 0; background: transparent; padding: .3rem 0 0 .9rem; min-width: 0;
  }
  .nav-drop-toggle { pointer-events: none; }

  /* Box ECM e statistiche */
  .ecm-inner { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  /* Su smartphone inquadro il volto del CEO e rinforzo l'overlay per leggibilità */
  .hero::before { background-position: 86% 22%; }
  .hero-overlay { background: linear-gradient(180deg, rgba(9,11,15,.62) 0%, rgba(9,11,15,.72) 45%, rgba(9,11,15,.92) 100%); }
}
@media (max-width: 640px) {
  .hero { min-height: 90svh; }
  .hero-title { font-size: clamp(2.6rem, 12vw, 3.4rem); }
}
@media (max-width: 560px) {
  .benefits-grid, .speakers-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
  .gallery-item.wide { grid-column: span 2; }
  .gallery-item.tall { grid-row: span 1; }
  .timeline::before { left: 8px; }
  .timeline-item { grid-template-columns: 1fr; gap: .4rem; }
  .timeline-time { text-align: left; padding-left: 2rem; padding-right: 0; }
  .timeline-body { padding-left: 2rem; }
  .timeline-body::before { left: 1px; }
  .hero-meta { gap: 1.4rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom .container { flex-direction: column; }
}