/* ComparadorEnvíos.com — hoja única. Paleta: esmeralda #0b6e4f, ámbar #f4a100, tinta #16262e */
:root{
  --verde:#0b6e4f; --verde-osc:#08523b; --ambar:#f4a100; --tinta:#16262e;
  --gris:#5b6b73; --linea:#dde5e1; --fondo:#f4f7f5; --blanco:#fff;
  --radio:12px; --sombra:0 2px 12px rgba(22,38,46,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--tinta);background:var(--fondo);line-height:1.5;-webkit-font-smoothing:antialiased}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
h1,h2,h3{line-height:1.15;margin:0 0 .5em}
a{color:var(--verde)}

/* Header */
.site-header{background:var(--blanco);border-bottom:1px solid var(--linea);position:sticky;top:0;z-index:10}
.header-row{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--tinta);font-size:1.15rem;letter-spacing:-.01em}
.brand strong{color:var(--verde)}
.brand em{font-style:normal;color:var(--gris);font-size:.85em}
.brand-mark{width:30px;height:30px}
.header-cta{background:var(--ambar);color:var(--tinta);text-decoration:none;font-weight:600;padding:9px 16px;border-radius:999px;font-size:.95rem}
.header-cta:hover{filter:brightness(1.05)}

/* Hero */
.hero{background:linear-gradient(160deg,var(--verde) 0%,var(--verde-osc) 100%);color:#eafff6;padding:44px 0 96px;text-align:center}
.hero h1{font-size:clamp(1.7rem,5.5vw,2.7rem);color:#fff;font-weight:800;letter-spacing:-.02em}
.hero-sub{max-width:640px;margin:0 auto;font-size:clamp(1rem,2.6vw,1.15rem)}
.hero-points{list-style:none;display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:center;padding:0;margin:18px 0 0;font-size:.95rem}
.hero-points li::before{content:"✓ ";color:var(--ambar);font-weight:700}
.br-desktop{display:none}
@media(min-width:700px){.br-desktop{display:block}}

/* Cotizador */
.quoter-section{margin-top:-64px;padding-bottom:32px}
.card{background:var(--blanco);border:1px solid var(--linea);border-radius:var(--radio);box-shadow:var(--sombra);padding:20px}
.quoter{display:flex;flex-direction:column;gap:14px}
.seg{display:flex;gap:8px}
.seg label{flex:1;cursor:pointer}
.seg input{position:absolute;opacity:0}
.seg span{display:block;text-align:center;padding:10px;border:1.5px solid var(--linea);border-radius:10px;font-weight:600;background:#fbfdfc}
.seg input:checked+span{border-color:var(--verde);background:#eaf6f1;color:var(--verde-osc)}
.seg input:focus-visible+span{outline:2px solid var(--ambar)}
fieldset{border:0;padding:0;margin:0}
legend{font-weight:700;padding:0;margin-bottom:8px;font-size:1rem}
.grid-2{display:grid;gap:14px}
@media(min-width:700px){.grid-2{grid-template-columns:1fr 1fr;gap:20px}}
.row{display:flex;gap:10px}
.row.freight{flex-wrap:wrap}
.field{display:flex;flex-direction:column;gap:4px;flex:1;min-width:0}
.field.small{max-width:120px}
.field.xs{flex:1 1 90px;max-width:130px}
label{font-size:.85rem;color:var(--gris);font-weight:600}
input,select{font:inherit;padding:10px 12px;border:1.5px solid var(--linea);border-radius:8px;background:#fff;color:var(--tinta);width:100%}
input:focus,select:focus{outline:2px solid var(--verde);outline-offset:0;border-color:var(--verde)}
input[aria-invalid="true"]{border-color:#c0392b}
.hint{font-size:.85rem;color:var(--gris);margin:.3em 0 0}
.row.bottom{flex-direction:column;align-items:stretch}
@media(min-width:700px){.row.bottom{flex-direction:row;align-items:flex-end}.row.bottom .field{max-width:260px}}
input[type=date]{min-height:44px}
.btn-primary{background:var(--ambar);border:0;color:var(--tinta);font:inherit;font-weight:700;font-size:1.05rem;padding:13px 26px;border-radius:10px;cursor:pointer;flex:0 0 auto;min-height:48px}
@media(min-width:700px){.btn-primary{flex:1 1 220px}}
.btn-primary:hover{filter:brightness(1.05)}
.btn-primary:disabled{opacity:.6;cursor:wait}
.form-error{color:#c0392b;font-weight:600;margin:0}

/* Loading */
.loading{margin-top:16px;text-align:center;padding:32px 20px}
.spinner{width:38px;height:38px;border:4px solid var(--linea);border-top-color:var(--verde);border-radius:50%;margin:0 auto 12px;animation:sp 1s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
#loading-msg{font-weight:600;margin:0}

/* Resultados */
.results{margin-top:20px}
.results h2{font-size:1.3rem}
.results-list{list-style:none;padding:0;margin:12px 0;display:flex;flex-direction:column;gap:10px}
.offer{background:var(--blanco);border:1.5px solid var(--linea);border-radius:var(--radio);padding:14px 16px;display:grid;grid-template-columns:1fr auto;gap:4px 12px;align-items:center}
.offer.best{border-color:var(--verde)}
.offer .carrier{font-weight:700;font-size:1.05rem}
.offer .service{color:var(--gris);font-size:.9rem;grid-column:1}
.offer .delivery{color:var(--gris);font-size:.9rem;grid-column:1}
.offer .price{grid-column:2;grid-row:1/span 2;text-align:right;font-size:1.45rem;font-weight:800;color:var(--verde-osc);white-space:nowrap}
.offer .price small{display:block;font-size:.72rem;font-weight:600;color:var(--gris)}
.badge{display:inline-block;background:#eaf6f1;color:var(--verde-osc);font-size:.72rem;font-weight:700;border-radius:999px;padding:2px 9px;margin-left:8px;vertical-align:middle}
.badge.fast{background:#fdf3dd;color:#8a5a00}
.includes{margin-top:14px}
.empty{margin-top:16px;text-align:center}

/* Cómo funciona / transportistas */
.how,.carriers{padding:36px 0 8px}
.how h2,.carriers h2{text-align:center;font-size:1.35rem}
.steps{display:grid;gap:16px;margin-top:18px}
@media(min-width:700px){.steps{grid-template-columns:repeat(3,1fr)}}
.steps article{background:var(--blanco);border:1px solid var(--linea);border-radius:var(--radio);padding:18px}
.step-n{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--verde);color:#fff;font-weight:700;margin-bottom:8px}
.steps h3{font-size:1.02rem;margin-bottom:.3em}
.steps p{margin:0;color:var(--gris);font-size:.93rem}
.carrier-list{list-style:none;display:flex;flex-wrap:wrap;gap:10px;justify-content:center;padding:0;margin:16px 0 24px}
.carrier-list li{background:var(--blanco);border:1px solid var(--linea);border-radius:999px;padding:8px 18px;font-weight:600;color:var(--gris)}

/* Footer */
.site-footer{background:var(--tinta);color:#b8c6cc;padding:28px 0 32px;margin-top:28px;font-size:.88rem;text-align:center}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:center;margin-bottom:14px}
.site-footer a{color:#dfeae6}
.site-footer p{margin:.3em 0}