/* ===========================
   TUNNEL LAVIZZARA-LEVENTINA
   Stile condiviso tutte le pagine
   =========================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700;900&family=Source+Sans+3:wght@300;400;600&display=swap');

:root {
  --verde:         #27500A;
  --verde-med:     #3B6D11;
  --verde-acc:     #639922;
  --verde-light:   #EAF3DE;
  --blu:           #0C447C;
  --blu-scuro:     #042C53;
  --grigio-sc:     #5F5E5A;
  --grigio-med:    #888780;
  --grigio-light:  #D3D1C7;
  --crema:         #F5F0E1;
  --bianco:        #FAFAF8;
  --nero:          #1A1A18;
  --rosso:         #C0392B;
}

/* RESET */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
body {
  font-family:'Source Sans 3', sans-serif;
  background:var(--bianco);
  color:var(--nero);
  overflow-x:hidden;
  line-height:1.6;
}
img { display:block; max-width:100%; }
a { text-decoration:none; color:inherit; }

/* ===== NAVBAR ===== */
.navbar {
  position:fixed; top:0; left:0; right:0; z-index:999;
  height:64px;
  background:var(--bianco);
  border-bottom:2px solid var(--verde-acc);
  display:flex; align-items:center; justify-content:space-between;
  padding:0 2.5rem;
  box-shadow:0 2px 12px rgba(0,0,0,0.06);
}
.navbar-logo {
  font-family:'Playfair Display', serif;
  font-size:1.05rem; font-weight:700;
  color:var(--verde); letter-spacing:0.5px;
}
.navbar-logo span { color:var(--verde-acc); }
.navbar-links { display:flex; gap:2rem; list-style:none; }
.navbar-links a {
  font-size:0.9rem; color:var(--grigio-sc);
  font-weight:400; letter-spacing:0.3px;
  padding-bottom:3px;
  border-bottom:2px solid transparent;
  transition:color 0.2s, border-color 0.2s;
}
.navbar-links a:hover,
.navbar-links a.active {
  color:var(--verde);
  border-bottom-color:var(--verde-acc);
}
.navbar-cta {
  background:var(--verde-acc); color:var(--bianco) !important;
  padding:0.45rem 1.1rem; border-radius:2px;
  border-bottom:none !important;
  font-weight:600 !important;
  transition:background 0.2s !important;
}
.navbar-cta:hover { background:var(--verde-med) !important; color:var(--bianco) !important; }

/* hamburger mobile */
.hamburger { display:none; flex-direction:column; gap:5px; cursor:pointer; padding:4px; }
.hamburger span { display:block; width:24px; height:2px; background:var(--verde); border-radius:2px; transition:all 0.3s; }
.mobile-menu {
  display:none; position:fixed; top:64px; left:0; right:0; z-index:998;
  background:var(--bianco); border-bottom:2px solid var(--verde-acc);
  padding:1.5rem 2.5rem; flex-direction:column; gap:1.25rem;
}
.mobile-menu a { font-size:1rem; color:var(--grigio-sc); font-weight:400; padding:0.25rem 0; }
.mobile-menu a.active, .mobile-menu a:hover { color:var(--verde); }
.mobile-menu.open { display:flex; }

/* ===== PAGE HERO (pagine interne) ===== */
.page-hero {
  padding:9rem 2rem 5rem;
  background:var(--verde);
  text-align:center;
  position:relative; overflow:hidden;
}
.page-hero::after {
  content:''; position:absolute; bottom:0; left:0; right:0; height:60px;
  background:var(--bianco);
  clip-path:ellipse(55% 100% at 50% 100%);
}
.page-hero .eyebrow {
  font-size:0.75rem; letter-spacing:4px; text-transform:uppercase;
  color:#97C459; margin-bottom:1rem; display:block;
}
.page-hero h1 {
  font-family:'Playfair Display', serif;
  font-size:clamp(2.2rem, 5vw, 3.8rem); font-weight:900;
  color:var(--bianco); line-height:1.1; margin-bottom:1rem;
}
.page-hero h1 em { font-style:normal; color:var(--verde-acc); }
.page-hero p {
  font-size:1.05rem; color:#C0DD97;
  max-width:580px; margin:0 auto; line-height:1.75;
}

/* ===== CONTAINER ===== */
.container { max-width:940px; margin:0 auto; padding:0 2rem; }
.container-wide { max-width:1140px; margin:0 auto; padding:0 2rem; }

/* ===== SEZIONI ===== */
.section { padding:5rem 2rem; }
.section-alt { padding:5rem 2rem; background:var(--crema); }
.section-dark { padding:5rem 2rem; background:var(--verde); }
.section-blu { padding:5rem 2rem; background:var(--blu-scuro); }

.section-label {
  font-size:0.72rem; letter-spacing:4px; text-transform:uppercase;
  color:var(--verde-acc); margin-bottom:0.6rem; display:block;
}
.section-label-light { color:#97C459; }

.section-title {
  font-family:'Playfair Display', serif;
  font-size:clamp(1.8rem, 3.5vw, 2.8rem); font-weight:700;
  color:var(--blu-scuro); line-height:1.15; margin-bottom:1.25rem;
}
.section-title-light { color:var(--bianco); }

.section-body {
  font-size:1rem; line-height:1.85; color:var(--grigio-sc);
  max-width:680px;
}
.section-body-light { color:#C0DD97; }

/* ===== BOTTONI ===== */
.btn {
  display:inline-block; padding:0.85rem 2rem;
  font-family:'Source Sans 3', sans-serif;
  font-size:0.95rem; font-weight:600; letter-spacing:0.3px;
  border-radius:2px; border:none; cursor:pointer;
  transition:background 0.2s, transform 0.15s, color 0.2s;
  text-align:center;
}
.btn:hover { transform:translateY(-2px); }
.btn-verde { background:var(--verde-acc); color:var(--bianco); }
.btn-verde:hover { background:var(--verde-med); color:var(--bianco); }
.btn-outline-verde { background:transparent; color:var(--verde); border:2px solid var(--verde-acc); }
.btn-outline-verde:hover { background:var(--verde-acc); color:var(--bianco); }
.btn-bianco { background:var(--bianco); color:var(--verde); }
.btn-bianco:hover { background:var(--verde-light); color:var(--verde); }
.btn-outline-bianco { background:transparent; color:var(--bianco); border:2px solid rgba(255,255,255,0.5); }
.btn-outline-bianco:hover { border-color:var(--bianco); background:rgba(255,255,255,0.1); }
.btn-lg { padding:1rem 2.5rem; font-size:1.05rem; }
.btn-full { width:100%; display:block; }

/* ===== CARD ===== */
.card {
  background:var(--bianco); border:1px solid var(--grigio-light);
  padding:2rem; transition:transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform:translateY(-3px); box-shadow:0 8px 24px rgba(0,0,0,0.08); }
.card-accent { border-top:3px solid var(--verde-acc); }
.card-accent-left { border-left:3px solid var(--verde-acc); border-top:none; }

/* ===== STAT BOX ===== */
.stat-num {
  font-family:'Playfair Display', serif;
  font-size:2.4rem; font-weight:700; color:var(--verde);
  line-height:1;
}
.stat-num-light { color:var(--bianco); }
.stat-label { font-size:0.82rem; color:var(--grigio-med); margin-top:0.3rem; line-height:1.4; }
.stat-label-light { color:#97C459; }

/* ===== FORM ===== */
.form-group { margin-bottom:1.25rem; }
.form-group label {
  display:block; font-size:0.78rem; letter-spacing:1px;
  text-transform:uppercase; color:var(--grigio-sc);
  margin-bottom:0.4rem; font-weight:600;
}
.form-group input,
.form-group textarea,
.form-group select {
  width:100%; padding:0.75rem 1rem;
  background:var(--bianco); border:1.5px solid var(--grigio-light);
  font-family:'Source Sans 3', sans-serif; font-size:0.95rem;
  color:var(--nero); border-radius:2px; outline:none;
  transition:border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus { border-color:var(--verde-acc); }
.form-group textarea { resize:vertical; min-height:90px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
.form-check {
  display:flex; gap:0.75rem; align-items:flex-start;
  margin:1.25rem 0; font-size:0.85rem; color:var(--grigio-sc); line-height:1.5;
}
.form-check input[type=checkbox] { margin-top:3px; accent-color:var(--verde-acc); flex-shrink:0; }

/* ===== PROGRESS BAR ===== */
.progress-bar { height:8px; background:var(--grigio-light); border-radius:4px; overflow:hidden; margin-top:0.75rem; }
.progress-fill { height:100%; background:var(--verde-acc); border-radius:4px; transition:width 1s ease; }

/* ===== TIMELINE ===== */
.timeline { position:relative; padding-left:2rem; border-left:2px solid var(--grigio-light); margin-top:2.5rem; }
.tl-item { padding-bottom:2.5rem; position:relative; }
.tl-item:last-child { padding-bottom:0; }
.tl-dot {
  position:absolute; left:-2.55rem; top:0.35rem;
  width:12px; height:12px; border-radius:50%;
  background:var(--verde-acc); border:2px solid var(--bianco);
  box-shadow:0 0 0 2px var(--verde-acc);
}
.tl-dot-big {
  width:18px; height:18px; left:-2.85rem; top:0.2rem;
  background:var(--verde); box-shadow:0 0 0 3px var(--verde);
}
.tl-year { font-size:0.72rem; letter-spacing:2px; text-transform:uppercase; color:var(--verde-acc); margin-bottom:0.25rem; }
.tl-item h3 { font-family:'Playfair Display', serif; font-size:1.15rem; color:var(--blu-scuro); margin-bottom:0.4rem; }
.tl-item p { font-size:0.92rem; line-height:1.7; color:var(--grigio-sc); }
.tl-tag { display:inline-block; background:var(--verde-light); color:var(--verde); font-size:0.7rem; letter-spacing:1px; padding:0.2rem 0.6rem; text-transform:uppercase; margin-bottom:0.4rem; }

/* ===== CITAZIONE ===== */
.blockquote {
  border-left:4px solid var(--verde-acc); padding-left:2rem;
  font-family:'Playfair Display', serif; font-size:1.5rem;
  font-style:italic; line-height:1.5; color:var(--bianco);
  max-width:720px;
}
.blockquote-source {
  display:block; font-family:'Source Sans 3', sans-serif;
  font-size:0.82rem; font-style:normal; color:#97C459;
  margin-top:1.25rem; letter-spacing:1px;
}

/* ===== FOOTER ===== */
.footer {
  background:var(--nero); color:var(--grigio-med);
  padding:3.5rem 2rem 1.5rem;
}
.footer-grid {
  max-width:940px; margin:0 auto;
  display:grid; grid-template-columns:2fr 1fr 1fr; gap:3rem;
  padding-bottom:2.5rem;
  border-bottom:1px solid #2C2C2A;
}
.footer-logo {
  font-family:'Playfair Display', serif; font-size:1rem;
  font-weight:700; color:var(--bianco); display:block; margin-bottom:0.75rem;
}
.footer-logo span { color:var(--verde-acc); }
.footer-desc { font-size:0.85rem; line-height:1.7; color:#5F5E5A; max-width:260px; margin-bottom:1rem; }
.footer-email { color:var(--verde-acc); font-size:0.85rem; }
.footer-col h4 { font-size:0.72rem; letter-spacing:2px; text-transform:uppercase; color:#B4B2A9; margin-bottom:1rem; }
.footer-col ul { list-style:none; }
.footer-col ul li { margin-bottom:0.5rem; }
.footer-col ul a { color:#5F5E5A; font-size:0.88rem; transition:color 0.2s; }
.footer-col ul a:hover { color:var(--verde-acc); }
.footer-bottom { max-width:940px; margin:1.5rem auto 0; text-align:center; font-size:0.78rem; color:#5F5E5A; }

/* ===== ALERT / SUCCESS ===== */
.alert-success {
  display:none; background:var(--verde-light);
  border:1.5px solid var(--verde-acc); color:var(--verde);
  padding:1.25rem 1.5rem; margin-top:1.25rem;
  font-size:0.95rem; line-height:1.6; border-radius:2px;
}

/* ===== REVEAL ANIMATION ===== */
.reveal { opacity:0; transform:translateY(24px); transition:opacity 0.65s ease, transform 0.65s ease; }
.reveal.visible { opacity:1; transform:translateY(0); }
.reveal-delay-1 { transition-delay:0.1s; }
.reveal-delay-2 { transition-delay:0.2s; }
.reveal-delay-3 { transition-delay:0.3s; }

/* ===== UTILITY ===== */
.text-center { text-align:center; }
.text-verde { color:var(--verde-acc); }
.mt-1 { margin-top:1rem; }
.mt-2 { margin-top:2rem; }
.mt-3 { margin-top:3rem; }
.mb-1 { margin-bottom:1rem; }
.mb-2 { margin-bottom:2rem; }
.mb-3 { margin-bottom:3rem; }
.grid-2 { display:grid; grid-template-columns:repeat(auto-fit, minmax(280px,1fr)); gap:1.5rem; }
.grid-3 { display:grid; grid-template-columns:repeat(auto-fit, minmax(220px,1fr)); gap:1.5rem; }
.grid-4 { display:grid; grid-template-columns:repeat(auto-fit, minmax(180px,1fr)); gap:1.5rem; }
.flex-center { display:flex; align-items:center; justify-content:center; gap:1rem; flex-wrap:wrap; }
.divider { height:2px; background:var(--grigio-light); margin:2rem 0; }
.divider-verde { background:var(--verde-acc); }

/* ===== COUNTER BAR ===== */
.counter-bar {
  background:var(--verde-med); padding:1.5rem 2rem;
  display:flex; justify-content:center; gap:4rem; flex-wrap:wrap;
}
.counter-item { text-align:center; }
.counter-num { font-family:'Playfair Display', serif; font-size:2rem; font-weight:700; color:var(--bianco); }
.counter-sub { font-size:0.72rem; color:#C0DD97; letter-spacing:2px; text-transform:uppercase; margin-top:0.15rem; }

/* ===== RESPONSIVE ===== */
@media(max-width:768px) {
  .navbar-links { display:none; }
  .hamburger { display:flex; }
  .form-row { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:2rem; }
  .counter-bar { gap:2rem; }
  .page-hero { padding:8rem 1.5rem 4.5rem; }
  .section, .section-alt, .section-dark, .section-blu { padding:3.5rem 1.5rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns:1fr; }
}