*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,"Helvetica Neue",Arial,sans-serif;line-height:1.6;color:#1a1d21;background:#fff;font-size:16px}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;color:#0a0e14;font-weight:700}
h1{font-size:clamp(2rem,4vw,3.25rem)}
h2{font-size:clamp(1.5rem,3vw,2.25rem)}
h3{font-size:1.25rem}
p{margin:0 0 1em}
a{color:#1e88e5;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.container{max-width:1120px;margin:0 auto;padding:0 24px}
.container-narrow{max-width:820px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{position:sticky;top:0;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid #eef0f3;z-index:50}
.site-header .container{display:flex;align-items:center;justify-content:space-between;padding-top:16px;padding-bottom:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:#0a0e14}
.logo-mark{width:34px;height:34px;background:linear-gradient(135deg,#25D366,#128C7E);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900}
.nav{display:flex;gap:24px;align-items:center}
.nav a{color:#475260;font-weight:500;font-size:.95rem}
.nav a:hover{color:#1e88e5;text-decoration:none}
.btn{display:inline-block;padding:10px 20px;border-radius:8px;font-weight:600;font-size:.95rem;transition:transform .1s,box-shadow .15s;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,#25D366,#128C7E);color:#fff}
.btn-primary:hover{text-decoration:none;transform:translateY(-1px);box-shadow:0 6px 20px rgba(18,140,126,.3)}
.btn-outline{background:#fff;color:#0a0e14;border:1px solid #d5dbe3}
.btn-outline:hover{text-decoration:none;border-color:#1e88e5;color:#1e88e5}
.menu-toggle{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer}

/* Hero */
.hero{padding:80px 0 64px;background:linear-gradient(180deg,#f6faff 0%,#fff 100%);text-align:center}
.hero .tag{display:inline-block;background:#e8f5ee;color:#0e7f4f;padding:6px 14px;border-radius:999px;font-size:.85rem;font-weight:600;margin-bottom:20px}
.hero h1{max-width:900px;margin-left:auto;margin-right:auto}
.hero .lead{font-size:1.15rem;color:#475260;max-width:680px;margin:16px auto 32px}
.hero .cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* Sections */
section{padding:64px 0}
.section-title{text-align:center;margin-bottom:48px}
.section-title p{color:#475260;max-width:620px;margin:12px auto 0}

/* Features grid */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.card{background:#fff;border:1px solid #eef0f3;border-radius:12px;padding:28px;transition:border-color .2s,transform .15s}
.card:hover{border-color:#c8d4e3;transform:translateY(-2px)}
.card-icon{width:44px;height:44px;border-radius:10px;background:#eaf4ff;display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:#1e88e5;font-size:1.4rem}
.card h3{margin-bottom:8px}
.card p{color:#475260;margin:0;font-size:.95rem}

/* Trust / partners */
.trust{background:#fafbfc;border-top:1px solid #eef0f3;border-bottom:1px solid #eef0f3}
.trust .container{text-align:center}
.trust h2{font-size:1.4rem}
.partners{display:flex;justify-content:center;flex-wrap:wrap;gap:32px;margin-top:24px;opacity:.8;color:#475260;font-weight:600}
.partners span{padding:8px 18px;border:1px solid #e5e9ee;border-radius:8px;background:#fff;font-size:.9rem}

/* CTA */
.cta-section{background:linear-gradient(135deg,#0a0e14,#1a2332);color:#fff;text-align:center}
.cta-section h2{color:#fff}
.cta-section p{color:#b0bcc9;max-width:560px;margin:0 auto 28px}

/* Footer */
.site-footer{background:#0a0e14;color:#8b97a5;padding:56px 0 24px;font-size:.9rem}
.site-footer h4{color:#fff;margin-bottom:14px;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:40px;margin-bottom:36px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:8px}
.site-footer a{color:#8b97a5}
.site-footer a:hover{color:#fff}
.footer-brand p{margin-top:12px;color:#8b97a5;line-height:1.6}
.footer-bottom{border-top:1px solid #1e2733;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:#5a6674;font-size:.85rem}

/* Legal pages (privacidade, termos etc) */
.legal{padding:56px 0}
.legal h1{margin-bottom:8px}
.legal .updated{color:#6b7785;font-size:.9rem;margin-bottom:32px}
.legal h2{font-size:1.35rem;margin-top:40px;margin-bottom:12px;padding-top:16px;border-top:1px solid #eef0f3}
.legal h2:first-of-type{border-top:0;padding-top:0}
.legal h3{font-size:1.1rem;margin-top:24px}
.legal ul{padding-left:22px}
.legal li{margin-bottom:8px}
.legal strong{color:#0a0e14}

/* Contact */
.contact-info{background:#f6faff;border:1px solid #dbeaff;border-radius:12px;padding:28px;margin:32px 0}
.contact-info p{margin:8px 0}
.contact-info strong{display:inline-block;min-width:130px;color:#0a0e14}

/* Alerts / info box */
.info-box{background:#fff8e6;border-left:4px solid #f5a623;padding:16px 20px;border-radius:6px;margin:24px 0}
.info-box strong{color:#7a5200}

/* Responsivo */
@media(max-width:720px){
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:24px;gap:18px;border-bottom:1px solid #eef0f3;box-shadow:0 8px 24px rgba(0,0,0,.06)}
  .nav.open{display:flex}
  .menu-toggle{display:block}
  .hero{padding:56px 0 40px}
  section{padding:48px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}