/* =========================================================
   F&C WIND SERVICE — Design System
   Palette: industrial near-black, steel blue, safety-yellow accent
   Type: Oswald (display) / Inter (body) / JetBrains Mono (data)
   ========================================================= */

:root{
  --bg:        #11161A;
  --bg-raised: #161D23;
  --surface:   #1C262D;
  --surface-2: #232F38;
  --steel:     #2C4A5E;
  --steel-2:   #3A6178;
  --accent:    #D9A33B;
  --accent-2:  #F0C272;
  --text:      #F2EFE9;
  --text-dim:  #C7CDD1;
  --text-mute: #7C8A93;
  --line:      #2A343B;
  --ok:        #4FA877;
  --warn:      #D9A33B;
  --danger:    #C9573F;

  --font-display: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --maxw: 1180px;
  --radius: 4px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.1;
  margin: 0;
  color: var(--text);
}

.container{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom: 14px;
}
.eyebrow::before{
  content:"";
  width:8px; height:8px;
  background: var(--accent);
  display:inline-block;
}

/* ---------- Focus visibility ---------- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- Header ---------- */
.site-header{
  position: sticky;
  top:0;
  z-index: 100;
  background: rgba(17,22,26,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content: space-between;
  height: 76px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
}
.brand .mark{
  height: 48px;
  width: auto;
  flex-shrink:0;
  display:flex;
  align-items:center;
}
.brand .mark img, .brand .mark svg{ height:100%; width:auto; display:block; }
.footer-logo{
  height: 64px;
  width: auto;
  display:block;
  margin-bottom: 16px;
}
.brand small{
  display:block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--text-mute);
  text-transform: uppercase;
  margin-top: 2px;
}

.nav{
  display:flex;
  align-items:center;
  gap: 32px;
}
.nav a{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  text-transform: uppercase;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}
.nav a:hover, .nav a.active{
  color: var(--text);
  border-color: var(--accent);
}

.lang-switch{
  display:flex;
  font-family: var(--font-mono);
  font-size: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow:hidden;
}
.lang-switch a{
  padding: 7px 12px;
  color: var(--text-mute);
}
.lang-switch a.active{
  background: var(--surface-2);
  color: var(--accent);
}

.nav-toggle{
  display:none;
  background:none; border:none;
  width: 40px; height:40px;
  cursor:pointer;
  position: relative;
}
.nav-toggle span{
  position:absolute; left:8px; right:8px; height:2px;
  background: var(--text);
  transition: transform .2s, opacity .2s;
}
.nav-toggle span:nth-child(1){ top:14px; }
.nav-toggle span:nth-child(2){ top:20px; }
.nav-toggle span:nth-child(3){ top:26px; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 13px 24px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor:pointer;
  transition: transform .15s, background .15s, border-color .15s, color .15s;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{
  background: var(--accent);
  color: #1A1303;
}
.btn-primary:hover{ background: var(--accent-2); }
.btn-outline{
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}
.btn-outline:hover{ border-color: var(--accent); color: var(--accent); }
.btn-ghost{
  background: transparent;
  color: var(--text-dim);
}
.btn-ghost:hover{ color: var(--accent); }

/* ---------- Hero ---------- */
.hero{
  padding: 88px 0 96px;
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(17,22,26,0.55) 0%, rgba(17,22,26,0.90) 65%, var(--bg) 100%),
    url('https://static.wixstatic.com/media/11062b_d38eb6f132584c9a9b88b3bbd4c7b8ebf000.jpg/v1/fill/w_1920,h_1080,al_c,q_80,usm_0.66_1.00_0.01/11062b_d38eb6f132584c9a9b88b3bbd4c7b8ebf000.jpg')
    center / cover no-repeat;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1{
  font-size: clamp(40px, 5.4vw, 64px);
  margin-bottom: 20px;
}
.hero h1 em{
  font-style: normal;
  color: var(--accent);
}
.hero p.lead{
  font-size: 18px;
  color: var(--text-dim);
  max-width: 520px;
  margin-bottom: 32px;
}
.hero-ctas{
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Turbine status card — signature element */
.scada-card{
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg-raised) 100%);
  border: 1px solid var(--steel);
  border-radius: 6px;
  padding: 22px;
  font-family: var(--font-mono);
  box-shadow: 0 24px 60px -20px rgba(0,0,0,0.6);
}
.scada-card .scada-top{
  display:flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.scada-id{
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}
.scada-id strong{ color: var(--text); font-weight: 600; }
.scada-live{
  display:flex; align-items:center; gap:6px;
  font-size: 11px;
  color: var(--ok);
  letter-spacing: 0.08em;
}
.scada-live .dot{
  width:7px; height:7px; border-radius:50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(79,168,119,0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse{
  0%{ box-shadow: 0 0 0 0 rgba(79,168,119,0.55); }
  70%{ box-shadow: 0 0 0 8px rgba(79,168,119,0); }
  100%{ box-shadow: 0 0 0 0 rgba(79,168,119,0); }
}
.scada-metrics{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}
.scada-metric{
  background: rgba(0,0,0,0.18);
  border-radius: 4px;
  padding: 14px 10px;
  text-align:center;
}
.scada-metric .val{
  font-size: 26px;
  font-weight: 600;
  color: var(--accent-2);
  line-height: 1;
}
.scada-metric .lbl{
  font-size: 10px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 6px;
}
.scada-bars{
  display:flex;
  align-items:flex-end;
  gap: 6px;
  height: 54px;
  margin-bottom: 14px;
}
.scada-bars i{
  flex:1;
  background: var(--steel-2);
  border-radius: 2px 2px 0 0;
  display:block;
}
.scada-foot{
  font-size: 11px;
  color: var(--text-mute);
  display:flex;
  justify-content: space-between;
}
.scada-foot b{ color: var(--ok); font-weight:600; }

/* ---------- Sections ---------- */
.section{ padding: 96px 0; }
.section-tight{ padding: 64px 0; }
.section-alt{ background: var(--bg-raised); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-head{
  max-width: 640px;
  margin-bottom: 56px;
}
.section-head h2{
  font-size: clamp(28px, 3.6vw, 40px);
  margin-bottom: 14px;
}
.section-head p{
  color: var(--text-dim);
  font-size: 17px;
}

/* ---------- Cards / grids ---------- */
.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-2{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.card{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
}
.card .num{
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 0.08em;
}
.card h3{
  font-size: 19px;
  margin-bottom: 12px;
  text-transform: none;
  letter-spacing: 0;
}
.card p{
  color: var(--text-dim);
  font-size: 15px;
  margin:0;
}

/* ---------- Stat strip ---------- */
.stat-strip{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow:hidden;
}
.stat{
  padding: 28px 22px;
  border-right: 1px solid var(--line);
  background: var(--surface);
}
.stat:last-child{ border-right:none; }
.stat .n{
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 600;
  color: var(--accent-2);
  line-height:1;
}
.stat .l{
  font-size: 12px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 8px;
}

/* ---------- Pricing ---------- */
.pricing-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.price-card{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 32px 28px;
  display:flex;
  flex-direction:column;
}
.price-card.featured{
  background: linear-gradient(180deg, var(--steel) 0%, var(--surface) 100%);
  border-color: var(--accent);
  position: relative;
}
.price-card .badge{
  position:absolute;
  top:-13px; left:28px;
  background: var(--accent);
  color:#1A1303;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 3px;
}
.price-card h3{
  font-size: 17px;
  margin-bottom: 18px;
}
.price-card .price{
  font-family: var(--font-mono);
  display:flex;
  align-items:baseline;
  gap:6px;
  margin-bottom: 6px;
}
.price-card .price .amount{
  font-size: 42px;
  font-weight: 700;
  color: var(--text);
}
.price-card .price .unit{
  font-size: 13px;
  color: var(--text-mute);
}
.price-card .sub{
  font-size: 13px;
  color: var(--text-mute);
  margin-bottom: 24px;
  font-style: italic;
}
.price-card .discount{
  display:inline-block;
  background: rgba(79,168,119,0.15);
  color: var(--ok);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 3px 9px;
  border-radius: 3px;
  margin-bottom: 18px;
  align-self: flex-start;
}
.price-card ul{
  list-style:none;
  margin:0 0 28px;
  padding:0;
  flex-grow:1;
}
.price-card li{
  font-size: 14px;
  color: var(--text-dim);
  padding: 9px 0;
  border-top: 1px solid var(--line);
  display:flex;
  gap:10px;
}
.price-card li:first-child{ border-top:none; }
.price-card li::before{
  content:"\2713";
  color: var(--accent);
  font-weight:700;
  flex-shrink:0;
}

/* ---------- Process timeline ---------- */
.process{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.process-step{
  border-left: 2px solid var(--line);
  padding-left: 22px;
  position: relative;
}
.process-step .step-n{
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 12px;
}
.process-step h3{
  font-size: 18px;
  margin-bottom: 10px;
  text-transform:none;
  letter-spacing:0;
}
.process-step p{
  color: var(--text-dim);
  font-size: 14.5px;
}

/* ---------- CTA band ---------- */
.cta-band{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 56px 48px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band h2{ font-size: 28px; margin-bottom: 8px; }
.cta-band p{ color: var(--text-dim); margin:0; }

/* ---------- Footer ---------- */
.site-footer{
  border-top: 1px solid var(--line);
  padding: 56px 0 36px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.footer-grid h4{
  font-size: 13px;
  color: var(--text-mute);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.footer-grid a, .footer-grid p{
  display:block;
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 10px;
}
.footer-grid a:hover{ color: var(--accent); }
.footer-bottom{
  border-top: 1px solid var(--line);
  padding-top: 24px;
  display:flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-mute);
  flex-wrap:wrap;
  gap: 10px;
}

/* ---------- Forms ---------- */
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom:18px; }
.field{ display:flex; flex-direction:column; gap:8px; }
.field.full{ grid-column: 1 / -1; }
.field label{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.field input, .field select, .field textarea{
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
}
.field input:focus, .field select:focus, .field textarea:focus{
  border-color: var(--accent);
  outline:none;
}
.field textarea{ resize: vertical; min-height: 110px; }

/* ---------- Utility ---------- */
.text-center{ text-align:center; }
.mt-tight{ margin-top: 12px; }
.muted{ color: var(--text-mute); }
.mono{ font-family: var(--font-mono); }

/* ---------- Map list (impianti) ---------- */
.fleet-list{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.fleet-tag{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
}
.fleet-tag .model{ color: var(--accent); display:block; margin-top:4px; font-size:11px; }

/* ---------- Feature photo (banner fotografico) ---------- */
.feature-photo{
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 16 / 7;
}
.feature-photo img{
  width:100%; height:100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
}
.feature-photo .feature-cap{
  position:absolute; left:0; right:0; bottom:0;
  background: linear-gradient(180deg, transparent, rgba(10,13,15,0.9) 75%);
  padding: 48px 28px 22px;
}
.feature-photo .feature-cap .eyebrow{ margin-bottom: 8px; }
.feature-photo .feature-cap p{
  color: var(--text-dim);
  max-width: 560px;
  margin:0;
  font-size: 15px;
}

/* ---------- Photo gallery (foto sul campo) ---------- */
.photo-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.photo-card{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  aspect-ratio: 4 / 3;
}
.photo-card img{
  width:100%; height:100%;
  object-fit: cover;
  display:block;
  filter: saturate(0.92) contrast(1.03);
  transition: transform .3s;
}
.photo-card:hover img{ transform: scale(1.04); }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .grid-3, .grid-2, .pricing-grid, .process, .footer-grid{ grid-template-columns: 1fr 1fr; }
  .stat-strip{ grid-template-columns: 1fr 1fr; }
  .stat{ border-bottom: 1px solid var(--line); }
  .fleet-list{ grid-template-columns: repeat(2,1fr); }
  .photo-grid{ grid-template-columns: 1fr 1fr; }
  .feature-photo{ aspect-ratio: 16/9; }
}

@media (max-width: 720px){
  .nav{
    position: fixed;
    top: 76px; left:0; right:0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 28px 28px;
    gap: 18px;
    display:none;
  }
  .nav.open{ display:flex; }
  .nav-toggle{ display:block; }
  .lang-switch{ order:2; }
  .grid-3, .grid-2, .pricing-grid, .process, .footer-grid, .stat-strip, .fleet-list{ grid-template-columns: 1fr; }
  .photo-grid{ grid-template-columns: 1fr; }
  .feature-photo{ aspect-ratio: 4/3; }
  .stat{ border-right:none; border-bottom: 1px solid var(--line); }
  .cta-band{ flex-direction:column; align-items:flex-start; }
  .form-row{ grid-template-columns: 1fr; }
  .section{ padding: 64px 0; }
  .hero{ padding: 56px 0 64px; }
}