:root{
    --navy:#1E3A5F;
    --navy-deep:#0F1B2D;
    --accent:#2563EB;
    --accent-soft:#3B7BF6;
    --ink:#13243b;
    --muted:#5f6168;
    --muted-light:#8a857b;
    --bg:#F6F4EF;
    --surface:#ffffff;
    --line:#E8E3DB;
    --line-soft:#EFEBE3;
    --shadow:rgba(54,46,34,.16);
    --shadow-soft:rgba(54,46,34,.10);
    --maxw:1180px;
    --r:18px;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    font-family:'DM Sans',-apple-system,sans-serif;
    background:var(--bg);
    color:var(--ink);
    line-height:1.55;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
  a{text-decoration:none;color:inherit}
  h1,h2,h3{letter-spacing:-.025em;line-height:1.06;font-weight:700}
  .accent-dot{color:var(--accent)}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;gap:9px;
    font-weight:600;font-size:.95rem;
    padding:14px 26px;border-radius:999px;
    transition:transform .25s cubic-bezier(.2,.7,.3,1),box-shadow .25s,background .2s;
    cursor:pointer;border:none;white-space:nowrap;
  }
  .btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px -8px rgba(37,99,235,.32)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px -10px rgba(37,99,235,.42)}
  .btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.22)}
  .btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.4)}
  .btn-dark{background:var(--navy);color:#fff;box-shadow:0 6px 16px -8px var(--shadow)}
  .btn-dark:hover{transform:translateY(-2px)}
  .btn .arr{transition:transform .25s}
  .btn:hover .arr{transform:translateX(3px)}

  /* ---------- header ---------- */
  header{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .3s,backdrop-filter .3s,border-color .3s;border-bottom:1px solid transparent}
  header.scrolled{background:rgba(15,27,45,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.07)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:74px}
  .nav .logo img{height:26px;display:block}
  .nav-links{display:flex;align-items:center;gap:34px}
  .nav-links a{color:rgba(255,255,255,.78);font-size:.92rem;font-weight:500;transition:color .2s}
  .nav-links a:hover{color:#fff}
  .nav-links a.nav-cta{background:#fff;color:var(--navy-deep);padding:10px 20px;border-radius:999px;font-size:.9rem;font-weight:600;transition:transform .2s}
  .nav-links a.nav-cta:hover{transform:translateY(-2px);color:var(--navy-deep)}
  .burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer}
  .burger span{width:24px;height:2px;background:#fff;border-radius:2px}

  /* ---------- hero ---------- */
  .hero{position:relative;background:var(--navy-deep);color:#fff;padding:150px 0 96px;overflow:hidden}
  .hero::before{content:"";position:absolute;top:-30%;right:-10%;width:720px;height:720px;
    background:radial-gradient(circle,rgba(37,99,235,.07),transparent 67%);pointer-events:none}
  .hero::after{content:"";position:absolute;inset:0;
    background-image:linear-gradient(rgba(255,255,255,.014) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.014) 1px,transparent 1px);
    background-size:54px 54px;mask-image:radial-gradient(ellipse 80% 70% at 50% 0%,#000,transparent 75%);pointer-events:none}
  .hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
  .eyebrow{display:block;font-size:.74rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:#9fb2d4;margin-bottom:24px}
  .hero h1{font-size:clamp(2.6rem,5.2vw,4.05rem);margin-bottom:24px}
  .hero h1 .soft{color:#9fb2d4}
  .hero p.lead{font-size:1.22rem;color:#c3cee0;max-width:520px;margin-bottom:38px;line-height:1.5}
  .hero-ctas{display:flex;gap:14px;flex-wrap:wrap}

  /* product mock (flip) */
  .mock{position:relative;perspective:1700px}
  .mock-inner{position:relative;transition:transform .75s cubic-bezier(.3,.85,.25,1);transform-style:preserve-3d}
  .mock.flipped .mock-inner{transform:rotateY(180deg)}
  .mock-face{background:linear-gradient(160deg,#16263d,#101d31);border:1px solid rgba(255,255,255,.09);
    border-radius:20px;padding:22px;box-shadow:0 40px 80px -30px rgba(0,0,0,.7);
    backface-visibility:hidden;-webkit-backface-visibility:hidden}
  .mock-face.back{position:absolute;inset:0;transform:rotateY(180deg);display:flex;flex-direction:column}
  .flip-btn{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);color:#aebfe0;font-family:inherit;
    font-size:.66rem;font-weight:600;padding:5px 11px;border-radius:7px;cursor:pointer;display:inline-flex;align-items:center;gap:5px;transition:background .2s}
  .flip-btn:hover{background:rgba(255,255,255,.12)}
  .evo{display:flex;align-items:flex-end;gap:9px;flex:1;min-height:90px;margin:6px 0 4px}
  .kpis{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;margin-bottom:16px}
  .kpi{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.06);border-radius:11px;padding:11px}
  .kpi .klbl{font-size:.6rem;color:#7e92b3;text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px}
  .kpi .kval{font-size:1.12rem;font-weight:700;color:#fff}
  .kpi .kval.up{color:#5fd0a0}
  .ebar{flex:1;border-radius:6px 6px 3px 3px;background:linear-gradient(180deg,rgba(125,150,185,.42),rgba(95,118,150,.16));transition:height .7s cubic-bezier(.2,.7,.3,1)}
  .ebar.hi{background:linear-gradient(180deg,#3B7BF6,#2563EB)}
  .mock-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
  .mock-top .ttl{font-size:.78rem;color:#8ea3c4;font-weight:600;letter-spacing:.02em}
  .mock-top .tag{font-size:.68rem;color:#aebfe0;background:rgba(37,99,235,.18);padding:4px 10px;border-radius:6px;font-weight:600}
  .seg{display:inline-flex;background:rgba(255,255,255,.06);border-radius:8px;padding:3px}
  .seg-btn{background:none;border:none;color:#8ea3c4;font-family:inherit;font-size:.68rem;font-weight:600;padding:5px 12px;border-radius:6px;cursor:pointer;transition:background .2s,color .2s}
  .seg-btn.active{background:var(--accent);color:#fff}
  .pnl{margin:4px 0 6px}
  .pnl-row{display:flex;justify-content:space-between;align-items:center;padding:10px 2px;border-bottom:1px solid rgba(255,255,255,.05);opacity:0;transform:translateY(8px)}
  .pnl-row.in{opacity:1;transform:none;transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.3,1)}
  .pnl-row .lbl{font-size:.82rem;color:#aab9d4}
  .pnl-row .amt{font-size:.86rem;font-weight:600;color:#e6ecf6;font-variant-numeric:tabular-nums;transition:opacity .25s}
  .pnl-row .amt.neg{color:#93a4bf}
  .pnl-row.sub{border-top:1px solid rgba(255,255,255,.14);border-bottom:none;margin-top:4px;padding-top:12px}
  .pnl-row.sub .lbl{font-weight:700;color:#fff}
  .pnl-row.sub .amt{font-weight:700;color:#fff}
  .pnl-row.total{border-top:1px solid rgba(37,99,235,.55);border-bottom:none;margin-top:6px;padding-top:13px}
  .pnl-row.total .lbl{font-weight:700;color:#fff;font-size:.92rem}
  .pnl-row.total .amt{font-weight:700;color:#5b9bff;font-size:1.06rem}
  .mock-foot{display:flex;justify-content:space-between;margin-top:14px;font-size:.66rem;color:#6f83a4}
  .mock-foot b{color:#aebfe0;font-weight:700}

  /* ---------- section base ---------- */
  section{padding:104px 0}
  .kicker{font-size:.8rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}

  /* reveal */
  .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1)}
  .reveal.in{opacity:1;transform:none}
  .reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}

  /* ---------- insight ---------- */
  .insight-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}
  .insight h2{font-size:clamp(2rem,3.6vw,2.9rem);color:#13243b}
  .insight .body{font-size:1.18rem;color:var(--muted);line-height:1.65}
  .insight .body strong{color:var(--ink);font-weight:600}
  .rule{width:54px;height:3px;background:var(--accent);border-radius:3px;margin-bottom:30px}

  /* ---------- category (3 cols) ---------- */
  .cat h2{font-size:clamp(1.9rem,3.4vw,2.65rem);color:#13243b;max-width:620px;margin-bottom:60px}
  .cols{display:grid;grid-template-columns:repeat(3,1fr);gap:52px}
  .col{padding-top:2px}
  .col .num{font-size:.78rem;font-weight:700;color:var(--navy);letter-spacing:.05em;margin-bottom:22px}
  .col h3{font-size:1.3rem;color:var(--navy);margin-bottom:12px;font-weight:700}
  .col p{color:var(--muted);font-size:1.02rem}

  /* ---------- how it works ---------- */
  .how-head{text-align:center;margin-bottom:64px}
  .how-head h2{font-size:clamp(1.9rem,3.4vw,2.6rem);color:#13243b;max-width:580px;margin:18px auto 0}
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
  .step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:34px 30px;transition:transform .3s,box-shadow .3s,border-color .3s}
  .step:hover{transform:translateY(-5px);box-shadow:0 20px 42px -24px var(--shadow);border-color:#ddd6ca}
  .step .sn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;
    background:var(--navy);color:#fff;font-weight:700;font-size:1.05rem;margin-bottom:22px}
  .step h3{font-size:1.22rem;color:var(--navy);margin-bottom:10px;font-weight:700}
  .step p{color:var(--muted);font-size:1rem}
  .step .conn{position:absolute;top:52px;right:-17px;color:#cdc6ba;font-size:1.3rem;z-index:2}
  .step:last-child .conn{display:none}

  /* ---------- questions ---------- */
  .q-head h2{font-size:clamp(1.9rem,3.4vw,2.65rem);color:#13243b;max-width:560px;margin-bottom:14px}
  .q-head p{color:var(--muted);font-size:1.1rem;max-width:520px;margin-bottom:56px}
  .qgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .qcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:30px 28px;
    transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;overflow:hidden}
  .qcard::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);transform:scaleY(0);transform-origin:top;transition:transform .35s}
  .qcard:hover{transform:translateY(-4px);box-shadow:0 22px 46px -26px var(--shadow);border-color:#ddd6ca}
  .qcard:hover::before{transform:scaleY(1)}
  .qcard .qm{font-size:1.6rem;color:var(--navy);font-weight:700;line-height:1;margin-bottom:16px;opacity:.22}
  .qcard p{font-size:1.12rem;color:var(--ink);font-weight:500;line-height:1.35}

  /* ---------- video ---------- */
  .video-head{text-align:center;margin-bottom:46px}
  .video-head h2{font-size:clamp(1.9rem,3.4vw,2.5rem);color:#13243b;max-width:560px;margin:16px auto 0}
  .video-frame{position:relative;max-width:920px;margin:0 auto;aspect-ratio:16/9;border-radius:22px;overflow:hidden;
    background:linear-gradient(160deg,#16263d,#0f1d31);border:1px solid var(--line);box-shadow:0 40px 80px -42px var(--shadow);cursor:pointer}
  .video-frame::after{content:"";position:absolute;inset:0;pointer-events:none;
    background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:46px 46px}
  .video-frame .play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:74px;height:74px;border-radius:50%;
    background:var(--navy);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 28px -10px rgba(15,27,45,.5);transition:transform .3s;z-index:2}
  .video-frame:hover .play{transform:translate(-50%,-50%) scale(1.07)}
  .video-frame .play i{display:block;width:0;height:0;border-left:19px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:5px}
  .video-frame .vlabel{position:absolute;bottom:20px;left:24px;color:#aebfe0;font-size:.85rem;font-weight:500;z-index:2}

  /* ---------- studios (dark band) ---------- */
  .studios{background:var(--navy-deep);color:#fff;border-radius:28px;margin:0 28px;position:relative;overflow:hidden}
  .studios-inner{max-width:var(--maxw);margin:0 auto;padding:84px 56px;display:grid;grid-template-columns:1.2fr 1fr;gap:50px;align-items:center}
  .studios::before{content:"";position:absolute;bottom:-40%;left:-5%;width:520px;height:520px;background:radial-gradient(circle,rgba(37,99,235,.07),transparent 68%)}
  .studios .kicker{color:var(--accent-soft)}
  .studios h2{font-size:clamp(1.8rem,3.2vw,2.5rem);margin-bottom:22px}
  .studios p{color:#c3cee0;font-size:1.14rem;max-width:520px;margin-bottom:34px;position:relative}
  .studios-r{position:relative}
  .partner-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:26px}
  .partner-card .row{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08)}
  .partner-card .row:last-child{border-bottom:none}
  .partner-card .ico{width:34px;height:34px;border-radius:9px;background:rgba(37,99,235,.2);display:flex;align-items:center;justify-content:center;color:var(--accent-soft);flex-shrink:0;font-weight:700}
  .partner-card .row span{font-size:.98rem;color:#dbe3f0}

  /* ---------- plans ---------- */
  .plans-head{text-align:center;margin-bottom:58px}
  .plans-head h2{font-size:clamp(1.9rem,3.4vw,2.6rem);color:#13243b;margin-top:16px}
  .plan-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:840px;margin:0 auto}
  .plan{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:40px 36px;position:relative;transition:transform .3s,box-shadow .3s}
  .plan:hover{transform:translateY(-5px);box-shadow:0 26px 52px -28px var(--shadow)}
  .plan.featured{border-color:var(--accent);box-shadow:0 26px 52px -30px rgba(37,99,235,.22)}
  .plan .badge{position:absolute;top:-12px;right:30px;background:var(--navy);color:#fff;font-size:.72rem;font-weight:600;padding:5px 13px;border-radius:999px;letter-spacing:.02em}
  .plan h3{font-size:1.5rem;color:var(--navy);margin-bottom:8px}
  .plan .hook{font-size:.92rem;color:var(--navy);font-weight:600;margin-bottom:18px}
  .plan p{color:var(--muted);font-size:1.05rem;margin-bottom:26px;min-height:52px}
  .plan .btn{width:100%;justify-content:center}

  /* ---------- final cta ---------- */
  .final{background:var(--navy-deep);color:#fff;text-align:center;position:relative;overflow:hidden}
  .final::before{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:680px;height:480px;background:radial-gradient(ellipse,rgba(37,99,235,.07),transparent 68%)}
  .final-inner{position:relative}
  .final h2{font-size:clamp(2rem,4vw,3rem);margin-bottom:30px;max-width:680px;margin-left:auto;margin-right:auto}

  /* ---------- footer ---------- */
  footer{background:var(--navy-deep);color:#fff;padding:60px 0 38px;border-top:1px solid rgba(255,255,255,.08)}
  .foot{display:flex;justify-content:space-between;align-items:flex-start;gap:40px;flex-wrap:wrap}
  .foot .logo img{height:24px;margin-bottom:14px}
  .foot .tag{color:#8ea3c4;font-size:.92rem;max-width:280px}
  .foot-links{display:flex;gap:60px;flex-wrap:wrap}
  .foot-col h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.07em;color:#6f83a4;margin-bottom:16px;font-weight:600}
  .foot-col a{display:block;color:#c3cee0;font-size:.95rem;margin-bottom:11px;transition:color .2s}
  .foot-col a:hover{color:#fff}
  .foot-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;color:#6f83a4;font-size:.85rem;flex-wrap:wrap;gap:12px}

  /* ---------- whatsapp float ---------- */
  .wapp{position:fixed;bottom:24px;right:24px;z-index:200;display:inline-flex;align-items:center;
    background:var(--navy);color:#fff;border-radius:999px;padding:15px;box-shadow:0 12px 30px -10px rgba(15,27,45,.55);
    opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .35s,transform .35s,visibility .35s;cursor:pointer}
  .wapp.show{opacity:1;visibility:visible;transform:none}
  .wapp:hover{transform:translateY(-2px)}
  .wapp svg{width:26px;height:26px;flex-shrink:0;display:block}
  .wapp .lbl{max-width:0;overflow:hidden;white-space:nowrap;font-size:.92rem;font-weight:600;transition:max-width .35s,margin .35s}
  .wapp:hover .lbl{max-width:130px;margin-left:9px}
  @media(max-width:560px){.wapp .lbl{display:none}}

  /* ---------- responsive ---------- */
  @media(max-width:900px){
    .nav-links{display:none}
    .burger{display:flex}
    .hero-grid,.insight-grid,.studios-inner{grid-template-columns:1fr;gap:42px}
    .hero{padding:128px 0 76px}
    .mock{transform:none}
    .cols,.steps,.qgrid,.plan-cards{grid-template-columns:1fr}
    .cols{gap:38px}
    .step .conn{display:none}
    .studios{margin:0 14px}.studios-inner{padding:54px 32px}
    section{padding:74px 0}
  }
  @media(max-width:560px){
    .wrap{padding:0 20px}
    .foot-links{gap:36px}
  }

  /* mobile menu */
  .mobile-menu{display:none;position:fixed;top:74px;left:0;right:0;z-index:99;background:rgba(15,27,45,.97);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08);padding:18px 28px 26px;flex-direction:column;gap:4px}
  .mobile-menu.open{display:flex}
  .mobile-menu a{color:#dbe3f0;font-size:1.05rem;font-weight:500;padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.07)}
  .mobile-menu a:last-child{border-bottom:none}
  .mobile-menu a.mm-cta{margin-top:12px;background:var(--accent);color:#fff;text-align:center;border-radius:999px;padding:14px;border:none;font-weight:600}
  .burger.x span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .burger.x span:nth-child(2){opacity:0}
  .burger.x span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .burger span{transition:transform .25s,opacity .2s}

  /* touch: sin hover sticky inconsistente */
  @media(hover:none){
    .step:hover,.plan:hover,.gain:hover,.role:hover{transform:none;box-shadow:none}
    .step:hover,.gain:hover{border-color:var(--line)}
    .qcard:hover{transform:none;box-shadow:none;border-color:var(--line)}
    .qcard:hover::before{transform:scaleY(0)}
    .qcard.tapped{transform:translateY(-4px);box-shadow:0 22px 46px -26px var(--shadow);border-color:#ddd6ca}
    .qcard.tapped::before{transform:scaleY(1)}
    .step:hover,.gain:hover{border-color:var(--line)}
  }