/* ===== ALPHA STI — shared design system ===== */
:root{
  --blue-900:#0a1f63; --blue-800:#11297f; --blue:#1c3aa0; --blue-600:#3556c9;
  --blue-50:#eef1fb; --blue-100:#dbe3f7;
  --green:#4e8c33; --green-600:#5ea03f; --green-300:#8db27d; --green-50:#eef4e6;
  --ink:#13243a; --slate:#566576; --silver:#9aa6b2; --line:#e4eaf0;
  --bg:#ffffff; --soft:#f4f8fc;
  --shadow:0 1px 2px rgba(16,40,70,.04),0 8px 24px rgba(16,40,70,.07);
  --shadow-lg:0 24px 60px rgba(16,40,70,.16);
  --r:14px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:'IBM Plex Sans',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;}
h1,h2,h3,h4{font-family:'Sora',sans-serif;line-height:1.12;margin:0;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px;}
.eyebrow{font-family:'Sora';font-weight:600;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue-600);}
.eyebrow.on-dark{color:#7fb0e0;}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:'Sora';font-weight:600;font-size:15px;padding:13px 22px;border-radius:11px;border:1.5px solid transparent;cursor:pointer;transition:.18s;white-space:nowrap;}
.btn svg{width:17px;height:17px;}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 16px rgba(28,78,128,.28);}
.btn-primary:hover{background:var(--blue-800);transform:translateY(-1px);}
.btn-green{background:var(--green);color:#fff;box-shadow:0 6px 16px rgba(31,138,91,.26);}
.btn-green:hover{background:var(--green-600);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--blue-600);color:var(--blue);}
.btn-ghost.on-dark{color:#fff;border-color:rgba(255,255,255,.28);}
.btn-ghost.on-dark:hover{border-color:#fff;background:rgba(255,255,255,.08);}
.btn-white{background:#fff;color:var(--blue);}
.btn-white:hover{transform:translateY(-1px);box-shadow:var(--shadow);}

/* utility bar */
.utility{background:var(--blue-900);color:#cfe0f0;font-size:13.5px;}
.utility .wrap{display:flex;align-items:center;justify-content:space-between;height:40px;}
.utility a{display:inline-flex;align-items:center;gap:6px;color:#cfe0f0;}
.utility a:hover{color:#fff;}
.utility .u-left{display:flex;gap:22px;}
.utility svg{width:14px;height:14px;opacity:.85;}
@media(max-width:760px){.utility .u-left a:nth-child(2){display:none;}}

/* header */
header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .2s;}
header.scrolled{box-shadow:0 6px 20px rgba(16,40,70,.08);}
.nav{display:flex;align-items:center;gap:30px;height:70px;}
.brand{font-family:'Sora';font-weight:800;font-size:23px;letter-spacing:-.02em;color:var(--ink);display:flex;align-items:center;gap:2px;}
.brand b{color:var(--green);font-weight:800;}
.brand .mark{width:38px;height:38px;margin-right:10px;object-fit:contain;display:block;filter:drop-shadow(0 3px 6px rgba(10,31,99,.25));}
.nav .links{display:flex;gap:26px;margin-left:8px;flex:1;}
.nav .links a{font-size:15px;color:var(--slate);font-weight:500;position:relative;}
.nav .links a:hover,.nav .links a.active{color:var(--blue);}
.nav .links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--blue);transition:width .2s;border-radius:2px;}
.nav .links a:hover::after,.nav .links a.active::after{width:100%;}
.nav .cta{display:flex;align-items:center;gap:12px;}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.burger span{width:18px;height:2px;background:var(--ink);border-radius:2px;}
@media(max-width:940px){.nav .links{display:none;}.nav .cta .btn-ghost{display:none;}.burger{display:flex;}}
.mobile{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 28px 22px;}
.mobile.open{display:block;}
.mobile a{display:block;padding:12px 0;font-family:'Sora';font-weight:500;color:var(--ink);border-bottom:1px solid var(--line);}
.mobile .btn{margin-top:16px;width:100%;justify-content:center;}

/* page hero / breadcrumb */
.page-hero{position:relative;background:radial-gradient(120% 150% at 85% -20%,#2742b8 0%,var(--blue) 42%,var(--blue-900) 100%);color:#fff;overflow:hidden;padding:30px 0 56px;}
.page-hero::before{content:"";position:absolute;inset:0;opacity:.5;background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);background-size:26px 26px;}
.page-hero .wrap{position:relative;}
.crumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:#9fc0e0;padding:14px 0 26px;flex-wrap:wrap;}
.crumb a{color:#cfe0f0;}.crumb a:hover{color:#fff;}
.crumb span{opacity:.5;}
.page-hero .ph-top{display:flex;align-items:center;gap:18px;}
.page-hero .ph-ic{width:64px;height:64px;border-radius:16px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);display:grid;place-items:center;color:#b7d79f;flex:0 0 auto;}
.page-hero .ph-ic svg{width:34px;height:34px;}
.page-hero h1{font-size:44px;font-weight:800;letter-spacing:-.025em;}
.page-hero .lead{font-size:19px;color:#d7e6f4;margin-top:14px;max-width:640px;}
.page-hero .actions{display:flex;gap:13px;margin-top:26px;flex-wrap:wrap;}
@media(max-width:760px){.page-hero h1{font-size:32px;}.page-hero .ph-ic{width:52px;height:52px;}}

/* generic blocks */
section.block{padding:80px 0;}
section.soft{background:var(--soft);}
.head{max-width:720px;margin:0 auto 46px;text-align:center;}
.head h2{font-size:34px;margin-top:12px;}
.head p{color:var(--slate);font-size:17px;margin-top:13px;}
@media(max-width:760px){.head h2{font-size:28px;}}

/* prose / intro */
.intro{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.intro h2{font-size:30px;margin-bottom:16px;}
.intro p{color:var(--slate);font-size:16.5px;margin-bottom:14px;}
.intro .chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px;}
.intro .chips .c{display:inline-flex;align-items:center;gap:7px;background:var(--blue-50);color:var(--blue);font-family:'Sora';font-weight:600;font-size:13.5px;padding:7px 13px;border-radius:20px;}
.intro .chips .c svg{width:15px;height:15px;}
@media(max-width:860px){.intro{grid-template-columns:1fr;gap:30px;}}

/* video panel (pasteable youtube) */
.vpanel{position:relative;width:100%;aspect-ratio:16/9;border-radius:16px;overflow:hidden;background:#0c2440;box-shadow:var(--shadow-lg);}
.vpanel iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.vempty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#9fb6cc;text-align:center;padding:22px;background:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 10px,transparent 10px 20px),#0c2440;}
.vempty svg{width:54px;height:54px;color:#3a5572;}
.vempty b{font-family:'Sora';color:#cfe0f0;font-size:16px;}
.vempty small{font-size:13px;color:#7e98b3;max-width:280px;}
.vform{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;}
.vform input{flex:1;min-width:200px;border:1.5px solid var(--line);border-radius:10px;padding:12px 13px;font-family:inherit;font-size:14.5px;color:var(--ink);}
.vform input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-50);}
.vform .btn{padding:12px 18px;font-size:14.5px;}
.verr{color:#c0392b;font-size:13px;margin-top:8px;min-height:16px;}

/* feature tabs (sistema) */
.ftabs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:34px;}
.ftab{display:flex;align-items:center;gap:10px;border:1.5px solid var(--line);background:#fff;border-radius:13px;padding:13px 18px;cursor:pointer;font-family:'Sora';font-weight:600;font-size:15px;color:var(--slate);transition:.16s;}
.ftab .ic{width:30px;height:30px;border-radius:8px;background:var(--blue-50);color:var(--blue);display:grid;place-items:center;transition:.16s;}
.ftab .ic svg{width:18px;height:18px;}
.ftab:hover{border-color:var(--blue-100);color:var(--ink);}
.ftab.active{border-color:var(--blue);color:var(--blue);box-shadow:var(--shadow);}
.ftab.active .ic{background:var(--blue);color:#fff;}
.fpanel{display:none;}
.fpanel.active{display:block;animation:fadeup .25s ease;}
@keyframes fadeup{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
.fpanel-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:start;}
.fpanel h3{font-size:24px;margin-bottom:8px;}
.fpanel .pd{color:var(--slate);font-size:16px;margin-bottom:20px;}
.flist{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.flist li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--ink);}
.flist li svg{width:18px;height:18px;color:var(--green);flex:0 0 auto;margin-top:3px;}
.fpanel .side{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow);}
.fpanel .side .shot{width:100%;aspect-ratio:4/3;border-radius:11px;border:1px solid var(--line);background:repeating-linear-gradient(135deg,var(--blue-50) 0 9px,#fff 9px 18px);display:flex;align-items:center;justify-content:center;color:var(--silver);font-family:ui-monospace,monospace;font-size:12px;text-align:center;padding:14px;margin-bottom:16px;}
.fpanel .side h4{font-size:16px;margin-bottom:6px;}
.fpanel .side p{font-size:14px;color:var(--slate);}
@media(max-width:860px){.fpanel-grid{grid-template-columns:1fr;}.flist{grid-template-columns:1fr;}}

/* feature cards grid (segmento) */
.fcards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.fcard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;transition:.2s;}
.fcard:hover{border-color:var(--blue-100);box-shadow:var(--shadow);transform:translateY(-3px);}
.fcard .ic{width:48px;height:48px;border-radius:12px;background:var(--blue-50);display:grid;place-items:center;color:var(--blue);margin-bottom:16px;}
.fcard .ic svg{width:24px;height:24px;}
.fcard h3{font-size:18px;margin-bottom:7px;}
.fcard p{color:var(--slate);font-size:14.5px;}
@media(max-width:860px){.fcards{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.fcards{grid-template-columns:1fr;}}

/* related chips */
.related{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;}
.related a{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:10px 18px;font-family:'Sora';font-weight:600;font-size:14.5px;color:var(--ink);transition:.16s;}
.related a:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px);box-shadow:var(--shadow);}
.related a .ic{width:22px;height:22px;color:var(--blue-600);}
.related a svg{width:18px;height:18px;}

/* lead form */
.lead{background:linear-gradient(135deg,var(--blue-800),var(--blue-900));color:#fff;border-radius:24px;padding:54px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;box-shadow:var(--shadow-lg);}
.lead h2{font-size:32px;color:#fff;}
.lead p{color:#cfe0f0;font-size:16.5px;margin-top:14px;}
.lead .li{display:flex;align-items:center;gap:11px;margin-top:16px;color:#e7f1fa;font-size:15.5px;}
.lead .li svg{width:20px;height:20px;color:#b7d79f;}
.form{background:#fff;border-radius:16px;padding:28px;}
.form .frow{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.form label{font-family:'Sora';font-size:13px;font-weight:500;color:var(--slate);display:block;margin:12px 0 5px;}
.form input,.form select{width:100%;border:1.5px solid var(--line);border-radius:10px;padding:12px 13px;font-family:inherit;font-size:15px;color:var(--ink);background:#fff;transition:.15s;}
.form input:focus,.form select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-50);}
.form .btn{width:100%;justify-content:center;margin-top:20px;}
.form .priv{font-size:12px;color:var(--silver);text-align:center;margin-top:12px;line-height:1.5;}
@media(max-width:860px){.lead{grid-template-columns:1fr;padding:32px;gap:30px;}}

/* cta band */
.ctaband{background:radial-gradient(120% 160% at 20% 0%,var(--blue-600),var(--blue) 55%,var(--blue-900));color:#fff;text-align:center;border-radius:24px;padding:60px 40px;position:relative;overflow:hidden;}
.ctaband::before{content:"";position:absolute;inset:0;opacity:.4;background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);background-size:26px 26px;}
.ctaband h2{position:relative;font-size:38px;color:#fff;}
.ctaband p{position:relative;color:#d7e6f4;font-size:18px;margin:16px auto 30px;max-width:560px;}
.ctaband .actions{position:relative;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
@media(max-width:760px){.ctaband h2{font-size:28px;}}

/* footer */
footer{background:var(--blue-900);color:#b9cde0;padding:64px 0 26px;}
.fgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
footer .brand{color:#fff;margin-bottom:16px;}
footer .brand .mark{filter:drop-shadow(0 3px 8px rgba(0,0,0,.35));}
footer p.ab{font-size:14.5px;color:#9fb6cc;max-width:280px;}
footer h4{font-family:'Sora';color:#fff;font-size:14px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:18px;font-weight:600;}
footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;}
footer ul a{font-size:14.5px;color:#b9cde0;}
footer ul a:hover{color:#fff;}
footer .ct{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;margin-bottom:13px;color:#cfe0f0;}
footer .ct svg{width:17px;height:17px;color:#7fb0e0;flex:0 0 auto;margin-top:3px;}
.social{display:flex;gap:10px;margin-top:18px;}
.social a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.08);display:grid;place-items:center;color:#cfe0f0;transition:.18s;}
.social a:hover{background:var(--green);color:#fff;}
.social svg{width:18px;height:18px;}
.fbottom{border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:#8aa3bb;}
@media(max-width:860px){.fgrid{grid-template-columns:1fr 1fr;gap:34px;}}
@media(max-width:520px){.fgrid{grid-template-columns:1fr;}}

/* whatsapp float */
.wa{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 10px 26px rgba(37,211,102,.45);transition:.2s;}
.wa:hover{transform:scale(1.07);}
.wa svg{width:30px;height:30px;color:#fff;}