:root{--bg:#0b0b0c;--bg2:#0e0e10;--card:#111113;--line:#232327;--line2:#3a3a40;--txt:#f2f2f3;--mut:#a8a8b0;--soft:#c8c8ce;--acc:#c9d3e3;--grad:linear-gradient(180deg,#f4f4f6,#aeb2bb)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--txt);font-family:Inter,system-ui,sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:Sora,sans-serif;margin:0}
a{color:var(--acc)}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.eyebrow{font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--acc);margin-bottom:16px}
.sec{padding:104px 0}
.alt{background:var(--bg2);border-top:1px solid #1d1d20;border-bottom:1px solid #1d1d20}
.sec-title{font-weight:600;font-size:clamp(30px,3.8vw,46px);line-height:1.1;letter-spacing:-.015em;margin-bottom:16px}
.sec-lead{font-size:18px;color:var(--mut);margin:0}
.head{max-width:680px;margin-bottom:56px}
.btn{display:inline-block;text-decoration:none;font-weight:600;padding:16px 28px;border-radius:10px;font-size:16px;border:0;cursor:pointer;font-family:Inter,sans-serif;min-height:48px}
.btn-primary{background:var(--grad);color:#0b0b0c}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{border:1px solid var(--line2);color:var(--txt);font-weight:500}
.btn-ghost:hover{background:#1b1b1e}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px}

/* nav */
header{border-bottom:1px solid #1d1d20}
.nav{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding-top:20px;padding-bottom:20px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--txt)}
.brand b{display:block;font-family:Sora,sans-serif;font-weight:600;font-size:20px;letter-spacing:.28em;line-height:1}
.brand small{display:block;font-size:11px;letter-spacing:.42em;color:#a1a1a8;margin-top:4px;line-height:1}
.menu{display:flex;flex-wrap:wrap;align-items:center;gap:8px 28px;font-size:15px}
.menu a{color:var(--soft);text-decoration:none;padding:10px 0}
.menu a.btn{color:#0b0b0c;padding:12px 22px;font-size:15px}

/* hero */
.hero{padding:96px 0 88px;background:radial-gradient(ellipse at 75% 0,#1c1d22 0,#0b0b0c 60%)}
.hero .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:56px}
.hero-txt{flex:1 1 480px;min-width:0}
.hero-txt .eyebrow{display:flex;align-items:center;gap:10px}
.hero-txt .eyebrow:before{content:"";width:28px;height:1px;background:var(--acc)}
.hero h1{font-weight:600;font-size:clamp(38px,5.4vw,68px);line-height:1.05;letter-spacing:-.02em;margin-bottom:24px;background:linear-gradient(180deg,#fff 20%,#9a9ea8);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{margin:0 0 36px;font-size:19px;color:#b4b4bb;max-width:560px}
.hero .cta{display:flex;flex-wrap:wrap;gap:14px}
.hero .note{margin:20px 0 0;font-size:14px;color:#8d8d95}
.flow{flex:1 1 420px;min-width:0;background:var(--card);border:1px solid #26262a;border-radius:16px;padding:24px;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.flow-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;font-family:Sora,sans-serif;font-weight:500;font-size:15px}
.live{font:500 12px Inter,sans-serif;color:#7fd6a0;border:1px solid #24402f;border-radius:99px;padding:4px 12px}
.step{display:flex;align-items:center;gap:14px;background:#17171a;border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin-bottom:12px;font-size:15px}
.step i{width:32px;height:32px;border-radius:8px;background:#222226;display:flex;align-items:center;justify-content:center;flex:none}
.flow-f{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;font-size:13px;color:#8d8d95}
.flow-f span:last-child{color:var(--txt)}

/* tech */
.tech{padding:36px 0;border-bottom:1px solid #1d1d20;background:var(--bg2)}
.tech .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px 40px;font-size:15px;color:#9b9ba3}
.tech .wrap span:first-child{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:#8a8a92}

/* grids */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:32px;display:flex;flex-direction:column;gap:14px;transition:border-color .2s}
.card:hover{border-color:var(--line2)}
.card h3{font-weight:600;font-size:20px}
.card p{margin:0;color:var(--mut);font-size:16px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.steps div{border-top:1px solid var(--line2);padding-top:24px}
.steps .n{font-family:Sora,sans-serif;font-size:14px;color:var(--acc);margin-bottom:14px}
.steps h3{font-weight:600;font-size:20px;margin-bottom:10px}
.steps p{margin:0;color:var(--mut)}

/* why */
.why{display:flex;flex-wrap:wrap;gap:56px;align-items:center}
.why>div{flex:1 1 420px;min-width:0}
.checks{display:flex;flex-direction:column;gap:18px;margin-top:28px}
.checks div{display:flex;gap:14px;align-items:flex-start;color:var(--soft);font-size:17px}
.checks svg{flex:none;margin-top:3px}
.logo-box{display:flex;justify-content:center}
.logo-box img{width:100%;max-width:560px;height:auto;-webkit-mask-image:radial-gradient(ellipse at center,#000 45%,transparent 78%);mask-image:radial-gradient(ellipse at center,#000 45%,transparent 78%)}

/* contact */
.contact{background:radial-gradient(ellipse at 20% 100%,#1c1d22 0,#0b0b0c 60%)}
.contact .wrap{display:flex;flex-wrap:wrap;gap:56px;align-items:center}
.contact .info{flex:1 1 440px;min-width:0}
.contact .info p{margin:0 0 28px;font-size:18px;color:var(--mut);max-width:480px}
.contact ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;color:var(--soft)}
.contact ul a{color:var(--soft)}
form{flex:1 1 420px;min-width:0;background:var(--card);border:1px solid #26262a;border-radius:16px;padding:32px;display:flex;flex-direction:column;gap:18px}
.f{display:flex;flex-direction:column;gap:8px}
label{font-size:14px;color:var(--soft)}
input,textarea{background:var(--bg);border:1px solid #2c2c31;border-radius:8px;padding:14px;color:var(--txt);font-size:16px;font-family:Inter,sans-serif;width:100%}
textarea{resize:vertical}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
#estado{margin:0;font-size:15px;min-height:22px}
#estado.ok{color:#7fd6a0}#estado.err{color:#ff9b9b}
.legal{font-size:13px;color:#8d8d95;margin:0}

/* footer + whatsapp */
footer{border-top:1px solid #1d1d20;padding:40px 0;font-size:14px;color:#8d8d95}
footer .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
footer nav{display:flex;flex-wrap:wrap;gap:8px 24px}
footer nav a{color:var(--mut);text-decoration:none;padding:8px 0}
.wa{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.45);z-index:50}
.wa:hover{filter:brightness(1.08)}
@media(max-width:640px){.sec{padding:72px 0}.hero{padding:64px 0}.menu{gap:4px 20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}