/* =========================================================
   EcoDomus — Sviluppo Immobiliare
   Design system · eco / minimalista
   ========================================================= */
:root{
  --green:#3aa935; --green-d:#2e8c2a; --leaf:#57b947;
  --blue:#2a8fd0; --blue-d:#1f6fa5;
  --navy:#1f3a56; --gold:#f2b024;
  --ink:#1e2b38; --ink-soft:#516072; --muted:#8a97a4;
  --paper:#ffffff; --mist:#f3f8f4; --mist2:#eaf3ec; --line:#e4ece6;
  --ok:#2f7d5b;
  --grad:linear-gradient(90deg,var(--green),var(--blue));
  --shadow:0 20px 50px -28px rgba(31,58,86,.4);
  --shadow-sm:0 10px 26px -16px rgba(31,58,86,.35);
  --radius:20px;
  --wrap:1180px;
  --font:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.14;margin:0;font-weight:800;letter-spacing:-.02em;color:var(--navy)}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.eyebrow{font-size:.74rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--green)}
.center{text-align:center}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;padding:.9em 1.5em;border-radius:999px;font-weight:700;font-size:.95rem;cursor:pointer;border:1px solid transparent;transition:.2s;line-height:1}
.btn-primary{background:var(--green);color:#fff;box-shadow:0 12px 26px -14px rgba(58,169,53,.9)}
.btn-primary:hover{background:var(--green-d)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-d)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--navy)}
.btn-ghost:hover{background:var(--mist)}
.btn-lg{padding:1.05em 1.8em;font-size:1rem}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:78px}
.brand img{height:46px;width:auto}
.nav-menu{display:flex;align-items:center;gap:22px;font-size:.9rem;font-weight:600;color:var(--ink-soft)}
.nav-menu a{white-space:nowrap;padding:.3em 0;border-bottom:2px solid transparent;transition:.15s}
.nav-menu a:hover{color:var(--navy)}
.nav-menu a.active{color:var(--green);border-color:var(--green)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-cta .btn{padding:.65em 1.2em;font-size:.88rem}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:2.5px;background:var(--navy);border-radius:2px;transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* sections */
section{padding:78px 0}
.mist{background:var(--mist)}
.section-head{max-width:64ch;margin:0 auto 44px}
.section-head.center{text-align:center}
.section-head h2{font-size:clamp(1.7rem,3.2vw,2.5rem);margin:.3em 0 .4em}
.section-head p{color:var(--ink-soft);font-size:1.08rem}

/* hero */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(900px 500px at 88% -10%, rgba(42,143,208,.12), transparent 60%),
  radial-gradient(700px 500px at 5% 10%, rgba(58,169,53,.12), transparent 55%),
  linear-gradient(180deg,#fff,var(--mist))}
.hero-inner{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;padding:78px 0 84px}
.hero h1{font-size:clamp(2.2rem,4.8vw,3.5rem);margin:.3em 0 .45em}
.hero .lead{font-size:1.16rem;color:var(--ink-soft);max-width:42ch}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.chip{display:inline-flex;align-items:center;gap:.45em;background:#fff;border:1px solid var(--line);color:var(--navy);font-size:.82rem;font-weight:700;padding:.5em .9em;border-radius:999px;box-shadow:var(--shadow-sm)}
.chip svg{color:var(--green)}
.hero-visual{position:relative;background:#fff;border:1px solid var(--line);border-radius:calc(var(--radius) + 6px);padding:26px;box-shadow:var(--shadow);text-align:center}
.hero-visual .emblem{width:min(320px,70%);margin:0 auto 14px}
.hero-visual .cap{font-weight:800;color:var(--navy);font-size:1.05rem}
.hero-visual .sub{color:var(--muted);font-size:.85rem}

.page-hero{background:linear-gradient(180deg,var(--mist),#fff);border-bottom:1px solid var(--line);padding:56px 0 46px}
.page-hero h1{font-size:clamp(1.9rem,4vw,2.8rem);margin:.25em 0 .3em}
.page-hero p{color:var(--ink-soft);max-width:60ch;font-size:1.08rem;margin:0}
.crumbs{font-size:.8rem;color:var(--muted);margin-bottom:8px}
.crumbs a:hover{color:var(--green)}

/* grids & cards */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.2s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.card .ic{width:52px;height:52px;border-radius:14px;background:var(--mist2);display:grid;place-items:center;margin-bottom:16px;color:var(--green)}
.card .ic.blue{background:#e7f2fb;color:var(--blue)}
.card h3{font-size:1.16rem;margin-bottom:.4em}
.card p{color:var(--ink-soft);font-size:.96rem;margin:0}
.card .num{width:38px;height:38px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:14px}

.pillar{position:relative;overflow:hidden}
.pillar:before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--grad)}

.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split.rev .split-media{order:2}
.split-media img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:auto}
.mock{border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line);aspect-ratio:4/3;background:
  linear-gradient(135deg,var(--mist2),#fff);display:grid;place-items:center;color:var(--muted);font-weight:700}

.checks{list-style:none;padding:0;margin:0}
.checks li{padding:11px 0;border-bottom:1px solid var(--line);display:flex;gap:12px;align-items:flex-start;font-size:.98rem}
.checks li svg{color:var(--green);flex:none;margin-top:3px}

.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat b{display:block;font-size:2rem;font-weight:900;color:var(--navy)}
.stat span{font-size:.82rem;color:var(--muted)}

/* ===== energy calculator ===== */
.calc{background:#fff;border:1px solid var(--line);border-radius:calc(var(--radius) + 6px);box-shadow:var(--shadow);overflow:hidden}
.calc-grid{display:grid;grid-template-columns:1.05fr .95fr}
.calc-form{padding:34px}
.calc-form h3{font-size:1.25rem;margin-bottom:4px}
.calc-form .hint{color:var(--muted);font-size:.85rem;margin-bottom:18px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.82rem;font-weight:700;color:var(--ink-soft);margin-bottom:6px}
.field input,.field select{width:100%;padding:.75em .85em;border:1px solid var(--line);border-radius:12px;font:inherit;color:var(--ink);background:var(--mist)}
.field input:focus,.field select:focus{outline:2px solid var(--green);border-color:transparent}
.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg button{flex:1;min-width:70px;padding:.7em .5em;border:1px solid var(--line);background:#fff;border-radius:12px;font:inherit;font-weight:600;cursor:pointer;color:var(--ink-soft);transition:.15s}
.seg button.on{background:var(--green);border-color:var(--green);color:#fff}
.calc-result{padding:34px;background:linear-gradient(160deg,var(--navy),#16304a);color:#fff;display:flex;flex-direction:column;justify-content:center}
.calc-result .big{font-size:2.6rem;font-weight:900;line-height:1;background:linear-gradient(90deg,#8fe08a,#7cc6f0);-webkit-background-clip:text;background-clip:text;color:transparent}
.calc-result .label{color:#b9c7d4;font-size:.85rem;margin-bottom:18px}
.calc-metrics{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:14px 0 20px}
.calc-metrics div{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:12px 14px}
.calc-metrics b{display:block;font-size:1.2rem;color:#fff}
.calc-metrics span{font-size:.72rem;color:#aebccb}
.calc-result .disc{font-size:.72rem;color:#93a4b4;margin-top:auto}
.calc-result .btn{margin-top:14px;justify-content:center}

/* ===== chatbot widget ===== */
.eco-chat-btn{position:fixed;right:20px;bottom:20px;z-index:80;width:60px;height:60px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;box-shadow:var(--shadow);cursor:pointer;border:0;transition:.2s}
.eco-chat-btn:hover{transform:scale(1.06)}
.eco-chat{position:fixed;right:20px;bottom:92px;z-index:80;width:min(380px,calc(100vw - 40px));height:min(560px,70vh);background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);display:none;flex-direction:column;overflow:hidden}
.eco-chat.open{display:flex}
.eco-chat-head{background:var(--grad);color:#fff;padding:16px 18px;display:flex;align-items:center;gap:12px}
.eco-chat-head img{height:30px;background:#fff;border-radius:8px;padding:3px}
.eco-chat-head b{font-size:.98rem}.eco-chat-head span{font-size:.74rem;opacity:.9;display:block}
.eco-chat-body{flex:1;overflow-y:auto;padding:16px;background:var(--mist);display:flex;flex-direction:column;gap:10px}
.msg{max-width:82%;padding:10px 13px;border-radius:14px;font-size:.9rem;line-height:1.45}
.msg.bot{background:#fff;border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:4px}
.msg.me{background:var(--blue);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.eco-chat-foot{border-top:1px solid var(--line);padding:10px;display:flex;gap:8px;background:#fff}
.eco-chat-foot input{flex:1;padding:.6em .8em;border:1px solid var(--line);border-radius:999px;font:inherit;background:var(--mist)}
.eco-chat-foot button{background:var(--green);color:#fff;border:0;border-radius:999px;width:42px;height:42px;cursor:pointer;display:grid;place-items:center}
.chat-note{font-size:.68rem;color:var(--muted);text-align:center;padding:4px}

/* forms */
form.lead{display:grid;gap:12px;background:#fff;border:1px solid var(--line);padding:26px;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
form.lead .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
form.lead label{font-size:.78rem;font-weight:700;color:var(--ink-soft);display:block;margin-bottom:5px}
form.lead input,form.lead select,form.lead textarea{width:100%;padding:.75em .85em;border:1px solid var(--line);border-radius:12px;font:inherit;color:var(--ink);background:var(--mist)}
form.lead .full{grid-column:1/-1}
.hint{font-size:.74rem;color:var(--muted)}

/* projects */
.proj{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.2s}
.proj:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.proj .ph{aspect-ratio:16/10;background:linear-gradient(150deg,var(--green),var(--blue));display:grid;place-items:center;color:#fff;font-weight:800}
.proj .body{padding:20px}
.proj .tag{display:inline-block;background:var(--mist2);color:var(--green-d);font-weight:700;font-size:.72rem;padding:.28em .7em;border-radius:999px;margin-bottom:8px}

/* cta band */
.cta-band{background:linear-gradient(135deg,var(--green),var(--blue));color:#fff;border-radius:calc(var(--radius) + 6px);padding:46px;text-align:center;box-shadow:var(--shadow)}
.cta-band h2{color:#fff;font-size:1.9rem}
.cta-band p{color:#eafaf0;max-width:52ch;margin:0 auto 20px}

/* footer */
.site-footer{background:#14283b;color:#9fb0c0;padding:54px 0 28px;font-size:.9rem}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:30px}
.foot-logo{background:#fff;display:inline-block;padding:10px 14px;border-radius:14px;margin-bottom:14px}
.foot-logo img{height:40px}
.site-footer h4{color:#fff;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px}
.site-footer a:hover{color:#fff}
.foot-list{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:18px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.8rem;color:#7688a0}

.badge-soft{display:inline-flex;gap:.4em;align-items:center;background:var(--mist2);color:var(--green-d);font-size:.72rem;font-weight:700;padding:.35em .8em;border-radius:999px;margin-bottom:14px}

/* responsive */
@media(max-width:900px){
  .nav-menu,.nav-cta .btn-ghost{display:none}
  .nav-toggle{display:flex}
  .nav-menu.open{display:flex;position:absolute;top:78px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:10px 22px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
  .nav-menu.open a{width:100%;padding:12px 0;border-bottom:1px solid var(--line)}
  .hero-inner,.split,.grid-2,.grid-3,.grid-4,.foot-grid,.calc-grid{grid-template-columns:1fr}
  .split.rev .split-media{order:0}
  .stat-row{grid-template-columns:1fr 1fr}
  form.lead .row{grid-template-columns:1fr}
  section{padding:56px 0}
}
@media(max-width:520px){.cta-band{padding:30px}.calc-form,.calc-result{padding:24px}}

/* ===== landing pages (lp/) ===== */
.lp-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.lp-header .nav{height:70px}
.lp-tel{display:inline-flex;align-items:center;gap:.5em;font-weight:800;color:var(--navy);font-size:1.02rem}
.lp-tel svg{color:var(--green)}
.lp-hero-img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;background:var(--mist2)}
.trust-bar{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.lp-fig{margin:0}
.lp-fig img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow-sm);background:var(--mist2)}
.lp-fig figcaption{font-size:.86rem;color:var(--ink-soft);margin-top:10px;font-style:italic}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0;margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;font-weight:700;color:var(--navy);padding:16px 18px;list-style:none;position:relative;padding-right:40px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:1.3rem;color:var(--green);font-weight:800}
.faq details[open] summary:after{content:"–"}
.faq details p{padding:0 18px 16px;margin:0;color:var(--ink-soft);font-size:.96rem}
.lp-footer{background:#14283b;color:#9fb0c0;padding:30px 0;font-size:.86rem}
.lp-footer a:hover{color:#fff}
.lp-footer .row{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:center}
.sticky-cta{display:none}
@media(max-width:900px){
  body.lp-page{padding-bottom:78px}
  .sticky-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:90;gap:10px;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);box-shadow:0 -10px 26px -18px rgba(31,58,86,.55)}
  .sticky-cta .btn{flex:1;justify-content:center;padding:.95em .5em}
}

/* ===== calculator capture step ===== */
.calc-capture{max-height:0;opacity:0;overflow:hidden;transition:max-height .7s ease,opacity .6s ease;background:var(--mist);border-top:1px solid var(--line)}
.calc-capture.show{max-height:1200px;opacity:1}
.calc-capture .inner{padding:30px 34px}
.calc-capture h3{font-size:1.15rem;margin-bottom:4px}
.calc-capture>.inner>p{color:var(--ink-soft);font-size:.94rem;margin-bottom:16px}
.calc-capture form.lead{box-shadow:none}
.privacy-check{display:flex;gap:10px;align-items:flex-start;font-size:.8rem;color:var(--ink-soft);line-height:1.5;font-weight:400}
.privacy-check input[type=checkbox]{width:18px;min-width:18px;height:18px;margin:2px 0 0;flex:none;accent-color:var(--green)}
.privacy-check a{color:var(--green);font-weight:700;text-decoration:underline}
@media(max-width:520px){.calc-capture .inner{padding:22px}}

/* ===== pagina caso studio progetto ===== */
picture{display:block;max-width:100%}
.grid-2>*,.grid-3>*,.grid-4>*,.stat-row>*{min-width:0}
.lp-fig img{width:100%;height:auto}
.lp-fig picture,.proj .ph picture{width:100%;height:100%}
.lp-fig img,.case-hero-img,.proj .ph img{max-width:100%}
.case-hero{position:relative;background:var(--mist)}
.case-hero .wrap{padding-top:44px;padding-bottom:44px}
.case-hero h1{font-size:clamp(1.75rem,3.6vw,2.6rem);margin:.25em 0 .4em;max-width:20ch}
.case-hero p.lead{color:var(--ink-soft);font-size:1.06rem;max-width:62ch;margin:0}
.case-hero-img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow);background:var(--mist2);margin-top:28px}
.case-body p{color:var(--ink-soft)}
.case-block{border-left:4px solid var(--green);background:#fff;border:1px solid var(--line);border-left-width:4px;border-radius:0 14px 14px 0;padding:20px 22px;margin-bottom:14px}
.case-block h3{font-size:1.05rem;margin-bottom:.35em}
.case-block p{margin:0;color:var(--ink-soft);font-size:.97rem}
.data-table{width:100%;border-collapse:collapse;font-size:.96rem;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.data-table th,.data-table td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.data-table tr:last-child th,.data-table tr:last-child td{border-bottom:0}
.data-table th{width:38%;color:var(--navy);font-weight:700;background:var(--mist)}
.data-table td{color:var(--ink-soft)}
.table-scroll{overflow-x:auto}
.proj .ph img{width:100%;height:100%;object-fit:cover;display:block}
.proj .meta{color:var(--muted);font-size:.85rem;margin:.2em 0 .6em}
@media(max-width:640px){
  .data-table th{width:auto}
  .data-table th,.data-table td{display:block;border-bottom:0;padding:10px 16px}
  .data-table td{padding-top:0;border-bottom:1px solid var(--line)}
  .data-table tr:last-child td{border-bottom:0}
}