/* VitroNutri — Estilos globales */
:root{
  --green-900:#173F32;
  --green-700:#2E7D5B;
  --green-500:#3FA97A;
  --green-100:#E6F4EC;
  --green-50:#F3FAF6;
  --ink:#0F1F1A;
  --muted:#5A6B65;
  --line:#E3ECE7;
  --white:#FFFFFF;
  --radius:16px;
  --shadow:0 10px 30px rgba(23,63,50,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--green-700);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1120px;margin:0 auto;padding:0 24px}

/* NAV */
header.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--green-900);font-size:18px}
.brand:hover{text-decoration:none}
.logo{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--green-500),var(--green-700));
  display:grid;place-items:center;color:#fff;font-weight:800;
  box-shadow:0 6px 14px rgba(46,125,91,.35);
}
nav.links{display:flex;gap:6px;flex-wrap:wrap}
nav.links a{
  padding:8px 14px;border-radius:999px;color:var(--ink);font-weight:500;font-size:14px;
}
nav.links a:hover{background:var(--green-50);text-decoration:none;color:var(--green-900)}
nav.links a.active{background:var(--green-100);color:var(--green-900)}

/* Page wrapper */
main{padding:64px 0 96px}

/* HERO */
.hero{
  background:
    radial-gradient(1200px 500px at 90% -20%, rgba(63,169,122,.18), transparent 60%),
    linear-gradient(180deg,var(--green-50),#fff);
  padding:80px 0 40px;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--green-100);color:var(--green-900);
  padding:6px 12px;border-radius:999px;font-size:13px;font-weight:600;
}
.badge .dot{width:8px;height:8px;border-radius:50%;background:var(--green-500)}
h1{
  font-size:52px;line-height:1.08;letter-spacing:-.02em;
  color:var(--green-900);margin:16px 0 16px;font-weight:800;
}
h1 span{color:var(--green-700)}
.lead{font-size:19px;color:var(--muted);max-width:560px}
.cta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 22px;border-radius:12px;font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease;
}
.btn-primary{background:var(--green-700);color:#fff}
.btn-primary:hover{background:var(--green-900);text-decoration:none;transform:translateY(-1px);box-shadow:0 10px 20px rgba(23,63,50,.2)}
.btn-ghost{background:#fff;color:var(--green-900);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--green-500);text-decoration:none}

.phone{
  justify-self:center;
  width:280px;height:560px;border-radius:42px;
  background:linear-gradient(160deg,#0F1F1A,#173F32);
  padding:14px;box-shadow:0 30px 60px rgba(23,63,50,.25);
  position:relative;
}
.phone::before{
  content:"";position:absolute;top:16px;left:50%;transform:translateX(-50%);
  width:110px;height:22px;background:#000;border-radius:14px;
}
.screen{
  width:100%;height:100%;border-radius:30px;overflow:hidden;
  background:linear-gradient(180deg,#fff,var(--green-50));
  display:flex;flex-direction:column;padding:40px 18px 18px;
}
.screen h4{margin:8px 0 4px;color:var(--green-900);font-size:16px}
.screen p{margin:0;color:var(--muted);font-size:12px}
.ring{
  width:130px;height:130px;border-radius:50%;
  background:conic-gradient(var(--green-500) 0 72%, #E3ECE7 0);
  display:grid;place-items:center;margin:14px auto;
}
.ring>div{width:100px;height:100px;border-radius:50%;background:#fff;display:grid;place-items:center;font-weight:800;color:var(--green-900)}
.card-mini{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 12px;
  display:flex;justify-content:space-between;align-items:center;margin-top:8px;font-size:12px
}
.card-mini strong{color:var(--green-900)}
.pill{background:var(--green-100);color:var(--green-900);padding:2px 8px;border-radius:999px;font-weight:600;font-size:11px}

/* GRID GENERIC */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px}
.feature{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:.2s;
}
.feature:hover{border-color:var(--green-500);box-shadow:var(--shadow);transform:translateY(-2px)}
.icon{
  width:44px;height:44px;border-radius:12px;background:var(--green-100);
  display:grid;place-items:center;color:var(--green-700);font-size:20px;margin-bottom:14px;
}
.feature h3{margin:0 0 6px;color:var(--green-900);font-size:17px}
.feature p{margin:0;color:var(--muted);font-size:14.5px}

h2{font-size:34px;letter-spacing:-.01em;color:var(--green-900);margin:0 0 8px;font-weight:800}
h2.center{text-align:center}
.sub{color:var(--muted);font-size:17px;max-width:640px}
.sub.center{margin:0 auto;text-align:center}

/* SUPPORT */
.support-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;margin-top:36px}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq details:last-child{border-bottom:none}
.faq summary{
  cursor:pointer;font-weight:600;color:var(--green-900);font-size:15.5px;
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;
}
.faq summary::after{content:"+";color:var(--green-700);font-size:22px;font-weight:700}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--muted);margin:10px 0 0;font-size:14.5px}
.contact-row{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line)}
.contact-row:last-child{border-bottom:none}
.contact-row .icon{margin:0}
.contact-row div{display:flex;flex-direction:column}
.contact-row strong{color:var(--green-900);font-size:15px}
.contact-row span{color:var(--muted);font-size:13.5px}

/* MARKETING */
.marketing-hero{
  background:linear-gradient(135deg,var(--green-700),var(--green-900));
  color:#fff;border-radius:24px;padding:56px;margin-bottom:40px;position:relative;overflow:hidden;
}
.marketing-hero::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(63,169,122,.35),transparent 70%);
}
.marketing-hero h2{color:#fff;font-size:40px;max-width:640px;position:relative}
.marketing-hero p{max-width:600px;color:rgba(255,255,255,.85);font-size:17px;position:relative;margin-top:10px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px;position:relative}
.stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:14px;padding:18px;backdrop-filter:blur(6px)}
.stat b{display:block;font-size:28px;color:#fff}
.stat span{color:rgba(255,255,255,.75);font-size:13.5px}

.split{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}
.split .card-lg{background:var(--green-50);border-radius:var(--radius);padding:32px;border:1px solid var(--green-100)}
.split .card-lg h3{color:var(--green-900);margin-top:0}
.split .card-lg ul{margin:12px 0 0;padding-left:18px;color:var(--muted);font-size:15px}
.split .card-lg li{margin:6px 0}

/* LEGAL */
.legal{max-width:820px;margin:0 auto}
.legal h2{font-size:32px}
.legal .meta{color:var(--muted);font-size:14px;margin-bottom:24px}
.legal h3{color:var(--green-900);margin-top:32px;font-size:20px}
.legal p, .legal li{color:#243430;font-size:15.5px}
.legal .toc{
  background:var(--green-50);border:1px solid var(--green-100);border-radius:14px;
  padding:18px 22px;margin:20px 0 28px;
}
.legal .toc ol{margin:6px 0 0 20px;padding:0;columns:2;color:var(--green-900)}
.legal .toc li{margin:4px 0;font-size:14px}

/* FOOTER */
footer{background:var(--green-900);color:#B8CFC5;padding:56px 0 28px;margin-top:40px}
footer a{color:#B8CFC5}
footer a:hover{color:#fff;text-decoration:none}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.foot-brand{color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;gap:10px}
.foot h5{color:#fff;font-size:14px;letter-spacing:.05em;text-transform:uppercase;margin:0 0 12px}
.foot ul{list-style:none;padding:0;margin:0}
.foot li{margin:6px 0;font-size:14px}
.copy{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:20px;font-size:13px;text-align:center;color:#8DA79C}

@media (max-width: 900px){
  .hero-grid,.support-grid,.split,.stats,.grid-3,.foot-grid{grid-template-columns:1fr}
  h1{font-size:38px}
  h2{font-size:26px}
  .marketing-hero{padding:36px}
  .marketing-hero h2{font-size:28px}
  .phone{width:240px;height:480px}
  nav.links a{font-size:13px;padding:6px 10px}
  .legal .toc ol{columns:1}
}