/* ==========================================================================
   Zeta Costruzioni — Landing "Ristrutturazione chiavi in mano da € 20.000"
   Foglio di stile principale
   ========================================================================== */

:root{
  --gold:#d69c3c;
  --gold-dark:#b9822a;
  --blue:#254a72;
  --blue-dark:#1a3550;
  --ink:#1d2126;
  --muted:#5c636e;
  --line:#e6e2da;
  --bg:#ffffff;
  --bg-soft:#f7f4ee;
  --bg-dark:#181b1f;
  --radius:12px;
  --shadow:0 10px 40px rgba(24,27,31,.12);
  --shadow-sm:0 4px 16px rgba(24,27,31,.08);
  --font:'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:1140px;margin:0 auto;padding:0 22px}
h1,h2,h3{line-height:1.15;font-weight:800;letter-spacing:-.01em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font-weight:700;border:none;cursor:pointer;border-radius:10px;padding:16px 30px;font-size:1.05rem;transition:transform .12s ease,box-shadow .12s ease,background .2s ease;text-align:center}
.btn-gold{background:var(--gold);color:#fff;box-shadow:0 8px 22px rgba(214,156,60,.4)}
.btn-gold:hover{background:var(--gold-dark);transform:translateY(-2px)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-dark);transform:translateY(-2px)}
.btn-block{width:100%}

/* ---------- Top bar ---------- */
.topbar{background:var(--gold);color:#fff;font-size:.9rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:14px;min-height:40px;flex-wrap:wrap}
.topbar a{font-weight:700}
.topbar .socials{display:flex;gap:12px;align-items:center}
.topbar .socials a{display:inline-flex;opacity:.9}
.topbar .socials a:hover{opacity:1}

/* ---------- Header ---------- */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:16px}
.logo img{height:52px;width:auto}
nav.main{display:flex;gap:26px;align-items:center}
nav.main a{font-weight:600;font-size:.98rem;color:var(--ink);position:relative}
nav.main a:hover{color:var(--gold)}
.header-cta{display:flex;align-items:center;gap:18px}
.phone-lg{font-weight:800;color:var(--blue);font-size:1.12rem;white-space:nowrap;text-align:right}
.phone-lg small{display:block;font-size:.65rem;font-weight:600;color:var(--muted);letter-spacing:.05em}
@media(max-width:960px){nav.main{display:none}}
@media(max-width:720px){.header-cta .btn,.phone-lg small{display:none}.phone-lg{font-size:1rem}}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;background:linear-gradient(rgba(20,23,27,.86),rgba(20,23,27,.74)),#202428 url('../img/hero-ristrutturazione-ancona.jpg');background-size:cover;background-position:center}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:60px 22px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(214,156,60,.2);border:1px solid var(--gold);color:var(--gold);font-weight:700;font-size:.82rem;padding:7px 14px;border-radius:999px;letter-spacing:.03em;text-transform:uppercase;margin-bottom:20px}
.hero h1{font-size:2.75rem;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero p.lead{font-size:1.16rem;color:#e8e6e2;margin-bottom:24px;max-width:540px}
.hero p.lead a{color:#fff;text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--gold)}
.hero .price-pill{display:inline-flex;flex-direction:column;background:var(--gold);color:#fff;padding:14px 26px;border-radius:12px;margin-bottom:26px;box-shadow:var(--shadow)}
.hero .price-pill span{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;opacity:.95}
.hero .price-pill strong{font-size:2rem;line-height:1}
.hero-points{list-style:none;display:flex;flex-direction:column;gap:10px;margin-top:6px}
.hero-points li{display:flex;align-items:center;gap:10px;font-weight:600}
.hero-points li svg{flex:none;color:var(--gold)}

/* ---------- Form card ---------- */
.form-card{background:#fff;color:var(--ink);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.form-card .head{background:var(--blue);color:#fff;padding:22px 26px}
.form-card .head h2{font-size:1.35rem}
.form-card .head p{font-size:.92rem;color:#d6dde6;margin-top:4px}
.form-card form{padding:24px 26px 26px}
.field{margin-bottom:14px}
.field label{display:block;font-size:.82rem;font-weight:700;margin-bottom:5px;color:var(--ink)}
.field label .req{color:var(--gold)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:9px;font-size:1rem;font-family:inherit;color:var(--ink);background:#fff;transition:border-color .15s ease,box-shadow .15s ease}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(214,156,60,.18)}
.field textarea{resize:vertical;min-height:74px}
.consent{display:flex;gap:9px;align-items:flex-start;font-size:.78rem;color:var(--muted);margin:6px 0 16px}
.consent input{margin-top:3px;width:16px;height:16px;flex:none;accent-color:var(--gold)}
.consent a{color:var(--blue);text-decoration:underline}
.form-note{text-align:center;font-size:.76rem;color:var(--muted);margin-top:12px}
.form-note svg{vertical-align:-2px;color:var(--gold)}

@media(max-width:900px){.hero .wrap{grid-template-columns:1fr;padding:40px 22px}.hero h1{font-size:2.1rem}}

/* ---------- Trust strip ---------- */
.trust{background:var(--bg-soft);border-bottom:1px solid var(--line)}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:26px 22px;text-align:center}
.trust .item{display:flex;flex-direction:column;align-items:center;gap:6px}
.trust .item svg{color:var(--gold)}
.trust .item strong{font-size:1.05rem}
.trust .item span{font-size:.82rem;color:var(--muted)}
@media(max-width:720px){.trust .wrap{grid-template-columns:repeat(2,1fr);gap:22px}}

/* ---------- Sezioni ---------- */
section.block{padding:70px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 46px}
.eyebrow{color:var(--gold);font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:.82rem;margin-bottom:10px}
.section-head h2{font-size:2.1rem;margin-bottom:12px}
.section-head p{color:var(--muted);font-size:1.08rem}

/* Griglia servizi */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.grid{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:transform .15s ease,box-shadow .15s ease;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.card .ico{width:48px;height:48px;border-radius:11px;background:rgba(214,156,60,.14);display:flex;align-items:center;justify-content:center;color:var(--gold);margin-bottom:16px}
.card h3{font-size:1.18rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.96rem;margin-bottom:14px}
.card .more{margin-top:auto;font-weight:700;font-size:.9rem;color:var(--blue)}
.card .more:hover{color:var(--gold)}

/* Come funziona (step) */
.steps{background:var(--bg-soft)}
.steps .grid{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.steps .grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.steps .grid{grid-template-columns:1fr}}
.step{background:#fff;border-radius:var(--radius);padding:28px 24px;border:1px solid var(--line);position:relative}
.step .num{width:40px;height:40px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.step h3{font-size:1.1rem;margin-bottom:6px}
.step p{color:var(--muted);font-size:.94rem}

/* Offerta */
.offer{background:var(--blue);color:#fff}
.offer .wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;padding:66px 22px}
@media(max-width:900px){.offer .wrap{grid-template-columns:1fr;gap:34px}}
.offer h2{font-size:2.1rem;margin-bottom:16px}
.offer h2 em{font-style:normal;color:var(--gold)}
.offer ul{list-style:none;display:flex;flex-direction:column;gap:14px;margin-top:8px}
.offer li{display:flex;gap:12px;align-items:flex-start}
.offer li svg{flex:none;color:var(--gold);margin-top:3px}
.offer li strong{display:block}
.offer li span{color:#cdd7e2;font-size:.94rem}
.offer-box{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:34px;text-align:center}
.offer-box .from{text-transform:uppercase;letter-spacing:.1em;font-size:.82rem;color:var(--gold);font-weight:700}
.offer-box .big{font-size:3.6rem;font-weight:800;line-height:1;margin:8px 0}
.offer-box .vat{color:#cdd7e2;font-size:.9rem;margin-bottom:22px}
.offer-box .btn{width:100%}
.offer-box .micro{font-size:.78rem;color:#aebccb;margin-top:14px}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;background:#fff;overflow:hidden}
.faq-item summary{cursor:pointer;padding:20px 22px;font-weight:700;font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.6rem;line-height:1;color:var(--gold);font-weight:400;flex:none;transition:transform .2s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--blue)}
.faq-a{padding:0 22px 20px;color:var(--muted);font-size:.98rem}

/* CTA finale */
.final{text-align:center;padding:72px 0}
.final h2{font-size:2.2rem;margin-bottom:14px}
.final p{color:var(--muted);font-size:1.1rem;max-width:600px;margin:0 auto 28px}
.final .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* Footer */
footer.site{background:var(--bg-dark);color:#c4c9d0;padding:50px 0 26px;font-size:.92rem}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;margin-bottom:30px}
@media(max-width:760px){footer.site .cols{grid-template-columns:1fr 1fr;gap:26px}}
@media(max-width:480px){footer.site .cols{grid-template-columns:1fr}}
footer.site h3{color:#fff;font-size:1rem;margin-bottom:12px}
footer.site .flogo{background:#fff;display:inline-block;padding:10px 12px;border-radius:8px;margin-bottom:14px}
footer.site .flogo img{height:44px}
footer.site p{margin-bottom:8px}
footer.site ul{list-style:none}
footer.site ul li{margin-bottom:7px}
footer.site a:hover{color:var(--gold)}
footer.site .bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;font-size:.82rem;color:#8a919b;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* Barra fissa mobile */
.mobile-bar{display:none}
@media(max-width:720px){
  .mobile-bar{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:60;background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 18px rgba(0,0,0,.1)}
  .mobile-bar a{flex:1;padding:14px;text-align:center;font-weight:700;font-size:.95rem}
  .mobile-bar .call{color:var(--blue)}
  .mobile-bar .quote{background:var(--gold);color:#fff}
  body{padding-bottom:54px}
}

/* Messaggio di conferma invio */
.success{display:none;padding:40px 26px;text-align:center}
.success svg{color:#2e9e5b;margin-bottom:14px}
.success h2{font-size:1.3rem;margin-bottom:8px}
.success p{color:var(--muted)}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}