:root{
  --sage:#A3B18A; --sage-dark:#7D8B6A; --sage-deep:#566246;
  --sand:#F4EDE0; --cream:#FAF6F0; --ink:#2F3E46;
  --r:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Nunito',system-ui,sans-serif;color:var(--ink);background:var(--cream);font-size:18px;line-height:1.65}
.wrap{max-width:1080px;margin:0 auto;padding:0 28px}
.narrow{max-width:760px}
.center{text-align:center}
img{max-width:100%;height:auto}
a{color:var(--sage-deep)}

/* header */
.top{position:sticky;top:0;z-index:10;background:rgba(250,246,240,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--sand)}
.top-in{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px}
.logo{height:48px;width:auto;display:block}
.logo-big{height:84px;margin:0 auto 32px}
.logo-foot{height:44px;margin:0 auto 12px}
.top nav{display:flex;align-items:center;gap:28px}
.top nav a{text-decoration:none;font-weight:600;color:var(--ink)}
.top nav a:hover{color:var(--sage-deep)}
.top nav a.btn{color:#fff}

/* buttons */
.btn{display:inline-block;background:var(--sage-deep);color:#fff;font-weight:700;font-family:inherit;font-size:1.05rem;padding:16px 34px;border:0;border-radius:999px;text-decoration:none;cursor:pointer;transition:background .2s, transform .2s}
.btn:hover{background:var(--sage-dark);transform:translateY(-1px)}
.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--sage);outline-offset:3px}
.btn-sm{padding:10px 22px;font-size:.95rem}
.btn-lg{width:100%;margin-top:12px;padding:18px}
.link{font-weight:700;margin-left:22px;text-decoration:none;border-bottom:2px solid var(--sage)}

/* hero */
.hero{padding:96px 0 104px;background:var(--cream)}
.hero-in{display:grid;grid-template-columns:1.25fr 1fr;gap:64px;align-items:center}
.eyebrow{color:var(--sage-dark);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:.85rem;margin:0 0 18px}
h1{font-size:clamp(2rem,4.4vw,3.2rem);line-height:1.15;margin:0 0 24px;font-weight:800;color:var(--ink)}
.lead{font-size:1.2rem;margin:0 0 36px;max-width:36em}
.actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px}
.hero-card{position:relative;background:var(--sand);border-radius:40px;padding:64px 40px;min-height:320px;display:flex;flex-direction:column;justify-content:center;overflow:hidden}
.dot{position:absolute;border-radius:50%}
.dot-a{width:150px;height:150px;background:var(--sage);opacity:.55;top:-40px;right:-30px}
.dot-b{width:80px;height:80px;background:var(--sage-dark);opacity:.35;bottom:28px;left:-20px}
.quote{position:relative;font-size:1.5rem;font-weight:700;line-height:1.4;margin:0 0 14px;color:var(--sage-deep)}
.quote-sub{position:relative;margin:0}

/* sections */
section{padding:96px 0}
.soft{background:var(--sand)}
h2{font-size:clamp(1.7rem,3vw,2.3rem);margin:0 0 14px;font-weight:800;line-height:1.2}
.sub{font-size:1.15rem;margin:0 0 48px;color:var(--ink);opacity:.85}
h3{font-size:1.25rem;margin:0 0 10px;font-weight:700;color:var(--sage-deep)}

.cards{display:grid;gap:24px}
.cards.three{grid-template-columns:repeat(3,1fr)}
.card{background:var(--cream);border-radius:var(--r);padding:36px 30px}
.card p{margin:0}
.note{margin:40px 0 0;max-width:46em}

.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.steps li p{margin:0}
.num{display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;background:var(--sage);color:var(--sage-deep);font-weight:800;font-size:1.3rem;margin-bottom:18px}

.values{list-style:none;padding:0;margin:36px 0 0;display:grid;gap:18px;text-align:left}
.values li{background:var(--cream);border-radius:var(--r);padding:22px 28px}

/* form */
.form-sec{background:var(--cream)}
.form{background:#fff;border-radius:32px;padding:44px;box-shadow:0 10px 40px rgba(86,98,70,.10)}
fieldset{border:0;padding:0;margin:0 0 36px}
legend{font-weight:800;font-size:1.2rem;color:var(--sage-deep);margin-bottom:18px;padding:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.full{grid-column:1 / -1}
label{display:block;font-weight:700;font-size:.98rem}
input,select,textarea{display:block;width:100%;margin-top:8px;padding:14px 18px;font:inherit;font-weight:400;color:var(--ink);background:var(--cream);border:2px solid var(--sand);border-radius:16px;transition:border-color .2s}
input:focus,select:focus,textarea:focus{border-color:var(--sage)}
textarea{resize:vertical}
.msg{margin:20px 0 0;padding:20px 24px;border-radius:20px;text-align:center;font-size:1.05rem}
.msg.ok{background:var(--sand);color:var(--sage-deep);border:2px solid var(--sage)}
.msg.err{background:var(--cream);color:var(--ink);border:2px solid var(--sand)}
.msg[hidden]{display:none}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.fine{font-size:.88rem;opacity:.75;margin:16px 0 0;text-align:center}

/* footer */
footer{background:var(--sand);padding:56px 0;text-align:center}
footer p{margin:4px 0}
.foot-in .fine{margin-top:16px}

.thanks{min-height:100vh;display:flex;align-items:center;padding:60px 0}
.thanks h1{font-size:clamp(1.8rem,4vw,2.6rem)}
.thanks .lead{margin:0 auto 36px}

@media (max-width:820px){
  body{font-size:17px}
  .hero{padding:56px 0 64px}
  .hero-in{grid-template-columns:1fr;gap:40px}
  .cards.three,.steps{grid-template-columns:1fr}
  .grid2{grid-template-columns:1fr}
  .form{padding:28px 22px}
  section{padding:64px 0}
  .top nav a:not(.btn){display:none}
  .logo{height:40px}
}

/* resumen y confirmación */
.resumen[hidden]{display:none}
.res-title{font-size:1.5rem;margin:0 0 6px}
.res-sub{margin:0 0 28px}
#res-list{margin:0 0 28px;display:grid;gap:14px}
#res-list div{background:var(--cream);border-radius:16px;padding:14px 20px}
#res-list dt{font-size:.85rem;font-weight:700;color:var(--sage-dark);margin:0 0 2px}
#res-list dd{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}
.res-actions{display:flex;gap:14px;flex-wrap:wrap}
.res-actions .btn{flex:1 1 200px;text-align:center}
.btn-ghost{background:transparent;color:var(--sage-deep);border:2px solid var(--sage-deep)}
.btn-ghost:hover{background:var(--sand);color:var(--sage-deep)}
.btn[disabled]{opacity:.65;cursor:not-allowed;transform:none}
.field-err{border-color:#B5654B !important}

.nota{margin:4px 0 0;padding:16px 20px;background:var(--sand);border-left:4px solid var(--sage);border-radius:16px;font-size:.95rem;line-height:1.55;color:var(--ink)}
.nota strong{color:var(--sage-deep)}
.nota-apoyo{margin:24px 0 0}
.row3{display:grid;grid-template-columns:1fr 110px 130px;gap:20px}
@media (max-width:720px){.row3{grid-template-columns:1fr 1fr}.row3 label:first-child{grid-column:1 / -1}}
#res-list dd{white-space:pre-line;overflow-wrap:anywhere}

.aviso{display:flex;align-items:center;justify-content:center;gap:12px;background:#F4EDE0;color:#2F3E46;border-bottom:1px solid #A3B18A;padding:8px 48px 8px 16px;position:relative;font-family:'Nunito',sans-serif;font-size:.92rem;line-height:1.4;text-align:center}
.aviso[hidden]{display:none}
.aviso p{margin:0}
.aviso strong{color:#566246}
.aviso-cerrar{position:absolute;right:10px;top:50%;transform:translateY(-50%);width:30px;height:30px;border:0;border-radius:50%;background:transparent;color:#566246;font-size:1.3rem;line-height:1;cursor:pointer}
.aviso-cerrar:hover,.aviso-cerrar:focus-visible{background:#FAF6F0;outline:2px solid #7D8B6A}
@media(max-width:600px){.aviso{font-size:.85rem;padding:8px 44px 8px 12px}}