/* =========================================================
   COMED S.r.l. — Foglio di stile principale
   Come modificare i colori: cambia le variabili qui sotto in :root
   ========================================================= */

:root {
  /* Colori brand */
  --color-brand: #E69113;
  --color-brand-dark: #C67A0F;
  --color-brand-light: #FCEAD1;

  /* Palette neutra */
  --color-dark: #1A1A1A;
  --color-dark-2: #262626;
  --color-gray-900: #2E2E2E;
  --color-gray-700: #5C5C5C;
  --color-gray-500: #8A8A8A;
  --color-gray-300: #D6D6D6;
  --color-gray-200: #E8E8E8;
  --color-gray-100: #F5F5F4;
  --color-white: #FFFFFF;

  /* Tipografia */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Layout */
  --max-width: 1200px;
  --header-height: 76px;
  --radius: 10px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 8px 24px rgba(0,0,0,.10);
  --transition: 0.25s ease;
}

/* ---------- Reset di base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--color-dark);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

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

section { padding: 88px 0; }
@media (max-width: 768px) {
  section { padding: 56px 0; }
}

.eyebrow {
  display: inline-block;
  color: var(--color-brand);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

h1 { font-size: clamp(2.1rem, 4vw, 3.4rem); font-weight: 800; line-height: 1.12; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 800; line-height: 1.2; letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; font-weight: 700; }
.section-title { margin-bottom: 16px; }
.section-intro {
  max-width: 640px;
  color: var(--color-gray-700);
  font-size: 1.05rem;
  margin-bottom: 48px;
}
.section-head { margin-bottom: 48px; }

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* ---------- Bottoni ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--color-brand); color: var(--color-white); }
.btn-primary:hover { background: var(--color-brand-dark); }
.btn-outline { background: transparent; border-color: var(--color-dark); color: var(--color-dark); }
.btn-outline:hover { background: var(--color-dark); color: var(--color-white); }
.btn-outline-light { background: transparent; border-color: rgba(255,255,255,.5); color: var(--color-white); }
.btn-outline-light:hover { background: var(--color-white); color: var(--color-dark); border-color: var(--color-white); }

/* =========================================================
   HEADER / NAVIGAZIONE
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-gray-200);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo-link { display: flex; align-items: center; flex-shrink: 0; }
.logo-link img { height: 34px; width: auto; }

.main-nav { display: flex; }
.main-nav ul { display: flex; gap: 32px; align-items: center; }
.main-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-dark);
  position: relative;
  padding: 6px 0;
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--color-brand);
  transition: width var(--transition);
}
.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after { width: 100%; }
.main-nav a[aria-current="page"] { color: var(--color-brand); }

.header-actions { display: flex; align-items: center; gap: 16px; }

/* Selettore lingua */
.lang-switch {
  display: flex;
  border: 1.5px solid var(--color-gray-300);
  border-radius: 999px;
  overflow: hidden;
}
.lang-switch button {
  background: none;
  border: none;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-gray-500);
  transition: background var(--transition), color var(--transition);
}
.lang-switch button.active { background: var(--color-brand); color: var(--color-white); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--color-dark);
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0; right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
  }
  .main-nav.open { max-height: 420px; }
  .main-nav ul { flex-direction: column; align-items: flex-start; gap: 0; padding: 8px 24px 20px; }
  .main-nav li { width: 100%; }
  .main-nav a { display: block; padding: 14px 0; border-bottom: 1px solid var(--color-gray-100); }
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  background: var(--color-dark);
  color: var(--color-white);
  overflow: hidden;
  padding: 120px 0 100px;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 82% 20%, rgba(230,145,19,.28), transparent 45%),
    radial-gradient(circle at 15% 85%, rgba(230,145,19,.14), transparent 40%);
  pointer-events: none;
}
.hero-rings {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 480px;
  height: 480px;
  opacity: .5;
  pointer-events: none;
}
@media (max-width: 900px) { .hero-rings { display: none; } }
.hero-inner { position: relative; z-index: 1; max-width: 680px; }
.hero .eyebrow { color: var(--color-brand); }
.hero p.lead {
  font-size: 1.15rem;
  color: var(--color-gray-300);
  margin-top: 20px;
  max-width: 560px;
}
.hero-quote {
  margin-top: 28px;
  font-size: 1.15rem;
  font-style: italic;
  font-weight: 600;
  color: var(--color-white);
  border-left: 3px solid var(--color-brand);
  padding-left: 16px;
}
.hero-actions { display: flex; gap: 16px; margin-top: 40px; flex-wrap: wrap; }

.hero-stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.12);
  margin-top: 72px;
  border-radius: var(--radius);
  overflow: hidden;
}
.hero-stats div { background: var(--color-dark-2); padding: 22px 18px; }
.hero-stats .stat-num { font-size: 1.7rem; font-weight: 800; color: var(--color-brand); }
.hero-stats .stat-label { font-size: 0.78rem; color: var(--color-gray-300); text-transform: uppercase; letter-spacing: .04em; margin-top: 4px; }
@media (max-width: 760px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
}

/* Sub-hero semplice per pagine interne */
.page-hero {
  background: var(--color-dark);
  color: var(--color-white);
  padding: 76px 0 60px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 88% 10%, rgba(230,145,19,.25), transparent 50%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero p.lead { color: var(--color-gray-300); max-width: 640px; margin-top: 16px; font-size: 1.05rem; }
.breadcrumb { font-size: .85rem; color: var(--color-gray-500); margin-bottom: 14px; }
.breadcrumb a { color: var(--color-gray-300); }
.breadcrumb a:hover { color: var(--color-brand); }

/* =========================================================
   CARD GRID GENERICO
   ========================================================= */
.grid {
  display: grid;
  gap: 24px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--color-brand); }
.card-icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-brand-light);
  border-radius: 12px;
  color: var(--color-brand);
  margin-bottom: 20px;
}
.card-icon svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--color-gray-700); font-size: 0.95rem; }

/* Sezione a sfondo alternato */
.section-alt { background: var(--color-gray-100); }

/* =========================================================
   PERCHÉ COMED / punti numerati
   ========================================================= */
.why-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 36px; }
@media (max-width: 700px) { .why-list { grid-template-columns: 1fr; } }
.why-item { display: flex; gap: 20px; }
.why-num {
  flex-shrink: 0;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 2px solid var(--color-brand);
  color: var(--color-brand);
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.why-item h3 { margin-bottom: 6px; }
.why-item p { color: var(--color-gray-700); font-size: 0.95rem; }

/* =========================================================
   CTA banner
   ========================================================= */
.cta-banner {
  background: var(--color-brand);
  color: var(--color-white);
  padding: 64px 0;
  text-align: center;
}
.cta-banner h2 { color: var(--color-white); }
.cta-banner p { color: rgba(255,255,255,.9); margin-top: 12px; }
.cta-banner .btn-outline-light { margin-top: 28px; }

/* =========================================================
   TIMELINE (Chi siamo)
   ========================================================= */
.timeline { position: relative; padding-left: 32px; border-left: 3px solid var(--color-gray-200); }
.timeline-item { position: relative; padding-bottom: 40px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -40px; top: 4px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--color-brand);
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-brand);
}
.timeline-year { color: var(--color-brand); font-weight: 800; font-size: 1rem; margin-bottom: 4px; }
.timeline-item p { color: var(--color-gray-700); }

/* Stat box riutilizzabile */
.stat-box {
  background: var(--color-dark);
  color: var(--color-white);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
}
.stat-box .stat-num { color: var(--color-brand); font-size: 2rem; font-weight: 800; }
.stat-box .stat-label { font-size: .82rem; color: var(--color-gray-300); text-transform: uppercase; letter-spacing: .04em; margin-top: 6px; }

/* Placeholder immagine (in attesa di foto reali) */
.img-placeholder {
  background: linear-gradient(135deg, var(--color-gray-200), var(--color-gray-100));
  border: 1px dashed var(--color-gray-300);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
  font-size: .85rem;
  text-align: center;
  min-height: 260px;
  padding: 20px;
}
.img-placeholder svg { width: 48px; height: 48px; margin-bottom: 10px; color: var(--color-gray-300); }

/* Illustrazioni tecniche originali (sostituiscono le foto non ancora disponibili) */
.illustration {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-gray-200);
}

/* Vetrina del logo (sezione Chi siamo) */
.logo-showcase {
  background: linear-gradient(135deg, var(--color-gray-100), var(--color-gray-200));
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
  min-height: 420px;
}
.logo-showcase-img {
  width: 100%;
  max-width: 380px;
  height: auto;
}

.two-col {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 860px) {
  .two-col { grid-template-columns: 1fr; }
}
.two-col.reverse .col-media { order: -1; }
@media (max-width: 860px) {
  .two-col.reverse .col-media { order: 0; }
}

/* =========================================================
   TABELLA PARCO MACCHINE
   ========================================================= */
.machine-table { width: 100%; border-collapse: collapse; margin-top: 16px; }
.machine-table th, .machine-table td {
  text-align: left;
  padding: 16px 18px;
  border-bottom: 1px solid var(--color-gray-200);
  font-size: .95rem;
}
.machine-table th { color: var(--color-gray-500); text-transform: uppercase; font-size: .75rem; letter-spacing: .06em; }
.machine-table td:first-child { font-weight: 700; color: var(--color-brand); white-space: nowrap; }

/* =========================================================
   FORM CONTATTI
   ========================================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--color-gray-300);
  border-radius: 8px;
  transition: border-color var(--transition);
  background: var(--color-white);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-brand);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: .8rem; color: var(--color-gray-500); margin-top: 4px; }
.form-error { color: #C0392B; font-size: .8rem; margin-top: 4px; display: none; }
.form-group.invalid input,
.form-group.invalid textarea { border-color: #C0392B; }
.form-group.invalid .form-error { display: block; }
.form-status {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 8px;
  font-size: .9rem;
  display: none;
}
.form-status.show { display: block; }
.form-status.success { background: #E7F6EC; color: #1E7B39; }
.form-status.error { background: #FBE9E7; color: #C0392B; }

.info-card {
  background: var(--color-gray-100);
  border-radius: var(--radius);
  padding: 32px;
}
.info-row { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--color-gray-200); }
.info-row:last-child { border-bottom: none; }
.info-row .icon { flex-shrink: 0; width: 40px; height: 40px; border-radius: 10px; background: var(--color-brand-light); color: var(--color-brand); display: flex; align-items: center; justify-content: center; }
.info-row .icon svg { width: 20px; height: 20px; }
.info-row h3 { font-size: 1rem; margin-bottom: 4px; }
.info-row p, .info-row a { color: var(--color-gray-700); font-size: .92rem; }
.info-row a:hover { color: var(--color-brand); }

.map-embed {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-gray-200);
  line-height: 0;
}
.map-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-weight: 600;
  font-size: .92rem;
  color: var(--color-brand);
}
.map-link svg { width: 18px; height: 18px; }
.map-link:hover { color: var(--color-brand-dark); text-decoration: underline; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer { background: var(--color-dark); color: var(--color-gray-300); padding: 64px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
}
.footer-brand img { height: 30px; margin-bottom: 16px; }
.footer-brand p { font-size: .9rem; color: var(--color-gray-500); max-width: 320px; }
.footer-col h4 { color: var(--color-white); font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 12px; font-size: .92rem; }
.footer-col a:hover { color: var(--color-brand); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 0;
  font-size: .82rem;
  color: var(--color-gray-500);
}

/* =========================================================
   SCROLL REVEAL
   L'attributo "js-reveal" viene aggiunto su <html> da uno script
   inline in <head> (vedi HTML). Se JavaScript è disabilitato o
   fallisce, questa classe non c'è e i contenuti restano visibili:
   l'animazione è un miglioramento progressivo, non un requisito.
   ========================================================= */
.js-reveal .reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.js-reveal .reveal.visible { opacity: 1; transform: translateY(0); }

/* Skip link accessibilità */
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--color-brand); color: #fff;
  padding: 10px 16px; z-index: 2000; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }