/* ============================================================
   ECOINVEST — design tokens
   ============================================================ */
:root{
  --marine-900:#0A2A30;
  --marine-800:#0D3B45;
  --marine-700:#123F49;
  --marine-500:#1D5C67;
  --signal-600:#167A5A;
  --signal-500:#1FA378;
  --signal-300:#6FE3B4;
  --mist-100:#EEF3F1;
  --mist-200:#E2EAE7;
  --paper:#FFFFFF;
  --text-primary:#10262B;
  --text-secondary:#4B6F68;
  --text-on-dark:#F2F7F5;
  --text-on-dark-soft:#9FC4BE;
  --line:rgba(13,59,69,0.15);
  --line-dark:rgba(242,247,245,0.18);

  --display:'Space Grotesk', 'IBM Plex Sans', sans-serif;
  --body:'IBM Plex Sans', -apple-system, sans-serif;
  --mono:'IBM Plex Mono', ui-monospace, monospace;

  --max:1180px;
  --max-wide:1320px;
  --radius:3px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--body);
  color:var(--text-primary);
  background:var(--paper);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:600;
  line-height:1.12;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
p{margin:0 0 1em;}
a{color:inherit;}
img,svg{max-width:100%;display:block;}
.container{max-width:var(--max);margin:0 auto;padding:0 28px;}
.container-wide{max-width:var(--max-wide);margin:0 auto;padding:0 28px;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important; transition-duration:.001ms !important;}
}

/* ------------------------------------------------------------
   Eyebrow / mono labels — technical annotation style
   ------------------------------------------------------------ */
.eyebrow{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--signal-600);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:18px;height:1px;background:var(--signal-500);
  display:inline-block;
}
.eyebrow.on-dark{color:var(--signal-300);}

/* ------------------------------------------------------------
   Header / nav
   ------------------------------------------------------------ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,0.86);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 28px;max-width:var(--max-wide);margin:0 auto;
}
.nav-logo{height:68px;width:auto;}
.nav-links{display:flex;gap:20px;list-style:none;margin:0;padding:0;flex-wrap:wrap;}
.nav-links a{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.02em;
  text-decoration:none;color:var(--text-primary);
  padding:6px 0;border-bottom:1px solid transparent;white-space:nowrap;
  transition:border-color .15s ease, color .15s ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"]{
  color:var(--signal-600);border-color:var(--signal-500);
}
.nav-cta{
  font-family:var(--mono);font-size:13px;
  border:1px solid var(--marine-800);color:var(--marine-800);
  padding:9px 18px;text-decoration:none;border-radius:var(--radius);
  transition:background .15s ease,color .15s ease;
  white-space:nowrap;
}
.nav-cta:hover{background:var(--marine-800);color:var(--text-on-dark);}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--marine-800);margin:5px 0;}

@media (max-width:1180px){
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    background:var(--paper);border-bottom:1px solid var(--line);
    flex-direction:column;gap:0;padding:8px 28px 18px;
    display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 0;border-bottom:1px solid var(--line);width:100%;}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
}

/* ------------------------------------------------------------
   Buttons
   ------------------------------------------------------------ */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:14px;letter-spacing:.02em;
  padding:13px 24px;border-radius:var(--radius);text-decoration:none;
  border:1px solid transparent;cursor:pointer;
  transition:transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--signal-500);color:#04211A;}
.btn-primary:hover{background:var(--signal-300);}
.btn-ghost-dark{border-color:var(--line-dark);color:var(--text-on-dark);}
.btn-ghost-dark:hover{border-color:var(--text-on-dark);}
.btn-ghost-light{border-color:var(--marine-800);color:var(--marine-800);}
.btn-ghost-light:hover{background:var(--marine-800);color:var(--text-on-dark);}
.btn-arrow{transition:transform .15s ease;}
.btn:hover .btn-arrow{transform:translateX(3px);}

/* ------------------------------------------------------------
   Hero
   ------------------------------------------------------------ */
.hero{
  position:relative;overflow:hidden;
  background:var(--marine-900);
  color:var(--text-on-dark);
  padding:96px 0 64px;
}
.hero-bg{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;opacity:.9;
}
.hero-inner{position:relative;z-index:2;}
.hero-coord{
  position:absolute;top:40px;right:28px;z-index:2;
  font-family:var(--mono);font-size:12px;color:var(--text-on-dark-soft);
  text-align:right;line-height:1.6;
}
.hero h1{
  font-size:clamp(34px,5.4vw,64px);
  max-width:15ch;
  color:var(--text-on-dark);
}
.hero h1 em{color:var(--signal-300);font-style:normal;}
.hero-sub{
  font-size:18px;max-width:46ch;color:var(--text-on-dark-soft);
  margin-bottom:36px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:64px;}

.stat-strip{
  border-top:1px solid var(--line-dark);
  padding-top:28px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.stat-strip .stat-num{
  font-family:var(--mono);font-size:26px;color:var(--text-on-dark);
  display:block;margin-bottom:4px;
}
.stat-strip .stat-label{
  font-size:13px;color:var(--text-on-dark-soft);
  letter-spacing:.02em;
}
@media (max-width:760px){
  .stat-strip{grid-template-columns:1fr;gap:18px;}
  .hero-coord{display:none;}
}

/* ------------------------------------------------------------
   Sections
   ------------------------------------------------------------ */
section{padding:88px 0;}
.section-mist{background:var(--mist-100);}
.section-head{max-width:640px;margin-bottom:56px;}
.section-head h2{font-size:clamp(26px,3.4vw,38px);}
.section-head p{color:var(--text-secondary);font-size:17px;margin:0;}

/* corner-bracket card — technical drawing crop marks */
.frame-card{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:32px 28px;
  background:var(--paper);
}
.frame-card::before,.frame-card::after,
.frame-card .fc-tr,.frame-card .fc-bl{
  content:"";position:absolute;width:14px;height:14px;
  border-color:var(--signal-500);border-style:solid;border-width:0;
}
.frame-card::before{top:-1px;left:-1px;border-top-width:2px;border-left-width:2px;}
.frame-card::after{bottom:-1px;right:-1px;border-bottom-width:2px;border-right-width:2px;}
.frame-card .fc-tr{top:-1px;right:-1px;border-top-width:2px;border-right-width:2px;}
.frame-card .fc-bl{bottom:-1px;left:-1px;border-bottom-width:2px;border-left-width:2px;}

.card-code{
  font-family:var(--mono);font-size:12px;color:var(--signal-600);
  letter-spacing:.08em;margin-bottom:14px;display:block;
}
.frame-card h3{font-size:20px;margin-bottom:10px;}
.frame-card p{color:var(--text-secondary);font-size:15px;margin:0;}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
@media (max-width:960px){.grid-4{grid-template-columns:1fr 1fr;}}
@media (max-width:860px){
  .grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:1fr;}
}

/* ------------------------------------------------------------
   Value chain (numbered process — legitimate sequence)
   ------------------------------------------------------------ */
.chain{
  display:grid;grid-template-columns:repeat(6,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.chain-step{
  padding:26px 18px;border-right:1px solid var(--line);
  position:relative;
}
.chain-step:last-child{border-right:0;}
.chain-num{
  font-family:var(--mono);font-size:12px;color:var(--signal-600);
  display:block;margin-bottom:10px;
}
.chain-step h4{font-size:15px;margin-bottom:8px;}
.chain-step p{font-size:13.5px;color:var(--text-secondary);margin:0;}
@media (max-width:960px){
  .chain{grid-template-columns:repeat(2,1fr);}
  .chain-step{border-right:1px solid var(--line);border-bottom:1px solid var(--line);}
  .chain-step:nth-child(2n){border-right:0;}
}
@media (max-width:560px){
  .chain{grid-template-columns:1fr;}
  .chain-step{border-right:0 !important;}
}

/* ------------------------------------------------------------
   Project panels (Renoblue)
   ------------------------------------------------------------ */
.project-panel{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:40px;position:relative;background:var(--paper);
  display:grid;grid-template-columns:1.3fr 1fr;gap:40px;
}
.project-panel + .project-panel{margin-top:24px;}
.project-panel .badge{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;
  color:var(--signal-600);background:var(--mist-100);
  border-radius:99px;padding:6px 14px;margin-bottom:18px;
}
.project-panel .badge::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--signal-500);
}
.project-panel h3{font-size:26px;margin-bottom:6px;}
.project-meta{font-family:var(--mono);font-size:13px;color:var(--text-secondary);margin-bottom:18px;}
.project-figures{
  border-left:1px solid var(--line);padding-left:32px;
  display:flex;flex-direction:column;justify-content:center;gap:22px;
}
.pf-item .pf-num{font-family:var(--mono);font-size:32px;color:var(--marine-800);display:block;}
.pf-item .pf-label{font-size:12.5px;color:var(--text-secondary);letter-spacing:.02em;}
@media (max-width:860px){
  .project-panel{grid-template-columns:1fr;padding:28px;}
  .project-figures{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:24px;flex-direction:row;flex-wrap:wrap;}
}

/* ------------------------------------------------------------
   Governance / people
   ------------------------------------------------------------ */
.person-card{display:flex;gap:18px;align-items:flex-start;}
.person-avatar{
  width:56px;height:56px;border-radius:50%;flex:none;
  background:var(--marine-800);color:var(--text-on-dark);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--display);font-size:18px;font-weight:600;
}
.person-name{font-family:var(--display);font-weight:600;font-size:17px;margin-bottom:2px;}
.person-role{font-family:var(--mono);font-size:13px;color:var(--signal-600);margin-bottom:8px;}
.person-note{font-size:14.5px;color:var(--text-secondary);margin:0;}

/* ------------------------------------------------------------
   Data table (dati societari)
   ------------------------------------------------------------ */
.data-table{width:100%;border-collapse:collapse;font-size:15px;}
.data-table tr{border-bottom:1px solid var(--line);}
.data-table td{padding:14px 0;}
.data-table td:first-child{
  color:var(--text-secondary);font-family:var(--mono);font-size:13px;
  width:42%;padding-right:20px;
}

/* ------------------------------------------------------------
   CTA band
   ------------------------------------------------------------ */
.cta-band{
  background:var(--marine-800);color:var(--text-on-dark);
  border-radius:var(--radius);padding:56px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:var(--text-on-dark);font-size:clamp(22px,3vw,30px);margin-bottom:8px;max-width:20ch;}
.cta-band p{color:var(--text-on-dark-soft);margin:0;max-width:44ch;}

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
.site-footer{
  background:var(--marine-900);color:var(--text-on-dark-soft);
  padding:64px 0 28px;font-size:14px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid var(--line-dark);
}
.footer-grid h5{
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--text-on-dark);margin:0 0 16px;
}
.footer-grid ul{list-style:none;margin:0;padding:0;}
.footer-grid li{margin-bottom:10px;}
.footer-grid a{text-decoration:none;color:var(--text-on-dark-soft);}
.footer-grid a:hover{color:var(--text-on-dark);}
.footer-logo{height:72px;margin-bottom:16px;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:24px;flex-wrap:wrap;gap:12px;font-size:12.5px;
}
@media (max-width:860px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}

/* ------------------------------------------------------------
   Page hero (interior pages — lighter, shorter)
   ------------------------------------------------------------ */
.page-hero{
  background:var(--marine-900);color:var(--text-on-dark);
  padding:64px 0 56px;position:relative;overflow:hidden;
}
.page-hero h1{font-size:clamp(30px,4.4vw,46px);max-width:20ch;color:var(--text-on-dark);}
.page-hero p{color:var(--text-on-dark-soft);font-size:17px;max-width:56ch;margin:0;}

/* ------------------------------------------------------------
   Misc utility
   ------------------------------------------------------------ */
.mt-0{margin-top:0;}
.text-center{text-align:center;}
.list-check{list-style:none;margin:0;padding:0;}
.list-check li{
  padding-left:22px;position:relative;margin-bottom:10px;color:var(--text-secondary);
}
.list-check li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:1.5px;background:var(--signal-500);
}

/* contact form */
.form-field{margin-bottom:20px;}
.form-field label{
  display:block;font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;
  color:var(--text-secondary);margin-bottom:8px;text-transform:uppercase;
}
.form-field input,.form-field textarea,.form-field select{
  width:100%;border:1px solid var(--line);border-radius:var(--radius);
  padding:13px 14px;font-family:var(--body);font-size:15px;color:var(--text-primary);
  background:var(--paper);
}
.form-field input:focus,.form-field textarea:focus{
  outline:2px solid var(--signal-500);outline-offset:1px;
}
.form-field textarea{resize:vertical;min-height:120px;}