/* Vetra Mail — sito vetrina, registrazione, piani, pagine legali */
:root{
  --p:#2563EB; --pd:#1D4ED8; --teal:#0EA5A4; --text:#0F172A; --muted:#64748B;
  --bg:#F8FAFC; --card:#FFFFFF; --border:#E2E8F0; --danger:#DC2626; --ok:#059669;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.55}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.center{text-align:center}

/* buttons */
.btn{display:inline-block;background:var(--p);color:#fff;font-weight:600;padding:12px 22px;border-radius:10px;border:none;cursor:pointer;font-size:15px;transition:background .15s,transform .1s}
.btn:hover{background:var(--pd)}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;color:var(--p);border:1px solid var(--border)}
.btn.ghost:hover{background:#eff4ff}
.btn.block{display:block;width:100%;text-align:center}
.btn[disabled]{opacity:.6;cursor:default}

/* header */
header{position:sticky;top:0;background:rgba(248,250,252,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px}
.brand .m{color:var(--teal)}
.nav-links{display:flex;align-items:center;gap:22px}
.nav-links a{color:var(--muted);font-size:15px;font-weight:500}
.nav-links a:hover{color:var(--text)}
.menu-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--text)}

/* hero */
.hero{padding:72px 0 64px;text-align:center}
.hero h1{font-size:clamp(32px,5vw,52px);line-height:1.1;margin:0 0 16px;letter-spacing:-.5px}
.hero h1 .grad{background:linear-gradient(90deg,var(--p),var(--teal));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:clamp(16px,2.4vw,20px);color:var(--muted);max-width:680px;margin:0 auto 28px}
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.badges{margin-top:36px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap;color:var(--muted);font-size:13px}
.badge{background:var(--card);border:1px solid var(--border);border-radius:999px;padding:6px 14px}

/* sections */
section{padding:56px 0}
.h2{font-size:clamp(24px,3.5vw,34px);text-align:center;margin:0 0 8px;letter-spacing:-.3px}
.lead{text-align:center;color:var(--muted);max-width:620px;margin:0 auto 40px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.feature{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px;transition:transform .15s,box-shadow .15s}
.feature:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(15,23,42,.07)}
.ic{width:44px;height:44px;border-radius:12px;background:#eff4ff;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.ic svg{stroke:var(--p)}
.feature h3{margin:0 0 6px;font-size:18px}
.feature p{margin:0;color:var(--muted);font-size:14px}

/* steps */
.steps{background:var(--card);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.steprow{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;margin-top:24px}
.step{text-align:center}
.num{width:40px;height:40px;border-radius:999px;background:var(--p);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 12px}

/* cta band */
.band{background:linear-gradient(135deg,var(--p),var(--pd));color:#fff;border-radius:20px;padding:48px 24px;text-align:center;margin:8px 0}
.band h2{color:#fff;margin:0 0 12px;font-size:clamp(24px,3.5vw,32px)}
.band p{color:#dbeafe;max-width:560px;margin:0 auto 24px}
.band .btn{background:#fff;color:var(--p)}
.band .btn:hover{background:#eff4ff}

/* footer */
footer{padding:40px 0;color:var(--muted);font-size:13px;border-top:1px solid var(--border)}
.foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.foot a{color:var(--muted)}
.foot a:hover{color:var(--text)}

/* auth / forms */
.auth{max-width:460px;margin:48px auto;padding:0 24px}
.cardbox{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:32px;box-shadow:0 10px 30px rgba(15,23,42,.05)}
.cardbox h1{font-size:24px;margin:0 0 4px}
.cardbox .sub{color:var(--muted);margin:0 0 24px;font-size:15px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}
.field input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;font-size:15px;background:#fff;color:var(--text)}
.field input:focus{outline:none;border-color:var(--p);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hint{font-size:12px;color:var(--muted);margin-top:4px}
.form-msg{padding:12px 14px;border-radius:10px;font-size:14px;margin-bottom:16px;display:none}
.form-msg.err{display:block;background:#fef2f2;color:var(--danger);border:1px solid #fecaca}
.form-msg.ok{display:block;background:#ecfdf5;color:var(--ok);border:1px solid #a7f3d0}
.checkrow{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin-bottom:18px}
.checkrow input{margin-top:3px}
.altlink{text-align:center;margin-top:18px;font-size:14px;color:var(--muted)}
.altlink a{color:var(--p);font-weight:600}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;max-width:760px;margin:0 auto}
.plan{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:28px;position:relative}
.plan.featured{border-color:var(--p);box-shadow:0 12px 36px rgba(37,99,235,.12)}
.plan .tag{position:absolute;top:-12px;left:28px;background:var(--p);color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px}
.plan h3{margin:0 0 6px;font-size:20px}
.plan .price{font-size:38px;font-weight:800;margin:8px 0}
.plan .price small{font-size:15px;font-weight:500;color:var(--muted)}
.plan ul{list-style:none;padding:0;margin:18px 0 24px}
.plan li{padding:7px 0;font-size:14px;color:var(--text);display:flex;gap:8px;align-items:flex-start}
.plan li::before{content:"✓";color:var(--teal);font-weight:700}
.plan .muted-note{font-size:12px;color:var(--muted);text-align:center;margin-top:10px}

/* legal pages */
.legal{max-width:820px;margin:40px auto;padding:0 24px 40px}
.legal h1{font-size:30px;margin:0 0 6px}
.legal .updated{color:var(--muted);font-size:13px;margin-bottom:28px}
.legal h2{font-size:20px;margin:30px 0 8px}
.legal p,.legal li{color:#334155;font-size:15px}
.legal ul{padding-left:20px}
.legal .box{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px 20px;margin:18px 0}

@media(max-width:760px){
  .nav-links{position:absolute;top:64px;left:0;right:0;background:var(--card);border-bottom:1px solid var(--border);flex-direction:column;align-items:stretch;gap:0;padding:8px 0;display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 24px}
  .nav-links .btn{margin:8px 24px}
  .menu-toggle{display:block}
  .row2{grid-template-columns:1fr}
}