/* =====================================================================
   SEND comunicación electrónica
   Estilo: limpio y sobrio. Azul de marca, rojo como acento y mucho aire.
   ===================================================================== */

:root {
  --ink: #0B1530;
  --ink-2: #16234A;
  --blue: #1B3FD1;
  --blue-d: #142FA3;
  --blue-l: #7A93F0;
  --red: #E43D30;
  --red-d: #C72E22;
  --sky: #E8EEFF;
  --paper: #FBFCFF;
  --white: #FFFFFF;
  --line: #D5DCF0;
  --mute: #4F5B7C;
  --ok: #0E7A4F;
  --ok-bg: #E4F5EC;
  --bad: #B3261E;
  --bad-bg: #FCEAE8;

  --font-display: 'Bricolage Grotesque', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-body: 'Instrument Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  --shadow: 0 1px 2px rgba(11, 21, 48, .06), 0 18px 44px rgba(11, 21, 48, .10);

  --wrap: 1180px;
  --gut: 24px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--blue); text-underline-offset: 3px; }
a:hover { color: var(--blue-d); }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 .5em;
  color: var(--ink);
}
h1 { font-size: clamp(2.5rem, 5.6vw, 4.6rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.0; }
h2 { font-size: clamp(1.75rem, 3.1vw, 2.6rem); font-weight: 700; }
h3 { font-size: 1.3rem; font-weight: 700; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 4px; }
.sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 8px; }
.skip:focus { left: 8px; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gut); }
.narrow { max-width: 780px; }
.fine { font-size: .9rem; color: var(--mute); }
.small { font-size: .88rem; }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); line-height: 1.5; color: var(--mute); max-width: 62ch; }
.h-sm { font-size: 1.25rem; }
.h-md { font-size: clamp(1.4rem, 2vw, 1.8rem); }
.rule { border: 0; border-top: 1px solid var(--line); margin: 28px 0; }

/* ---------- Franja de correo aéreo ---------- */
.airmail-strip { display: none; }
.airmail { background: #fff; border: 1px solid var(--line); border-top: 4px solid var(--blue); border-radius: 16px; box-shadow: var(--shadow); overflow: hidden; }
.envelope { background: transparent; border-radius: 0; padding: 30px; }
.airmail-wide { box-shadow: none; background: var(--sky); border: 0; border-radius: 22px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font: 600 1rem/1 var(--font-body);
  padding: .95rem 1.5rem; border-radius: 10px; border: 2px solid transparent;
  text-decoration: none; cursor: pointer;
  transition: background-color .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-solid { background: var(--blue); color: #fff; }
.btn-solid:hover { background: var(--blue-d); color: #fff; }
.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: var(--red-d); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.btn-ghost-light:hover { background: #fff; color: var(--ink); }
.btn-sm { padding: .65rem 1.1rem; font-size: .95rem; }
.btn-block { display: flex; width: 100%; }
.btn-block + .btn-block { margin-top: 10px; }
.link-btn { background: none; border: 0; padding: 0; color: var(--blue); font: inherit; text-decoration: underline; cursor: pointer; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

/* ---------- Cabecera ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251, 252, 255, .94);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.bar { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text strong { font: 800 1.65rem/1 var(--font-display); letter-spacing: .02em; }
.brand-text small { font-size: .72rem; color: var(--mute); margin-top: 4px; letter-spacing: .01em; }
.brand-light, .brand-light:hover { color: #fff; }
.brand-light small { color: rgba(255,255,255,.72); }

.nav ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 4px; }
.nav a:not(.btn) {
  display: block; padding: .6rem .85rem; color: var(--ink); text-decoration: none;
  font-weight: 500; font-size: .98rem; border-radius: 8px;
}
.nav a:not(.btn):hover { background: var(--sky); color: var(--ink); }
.nav a[aria-current="page"] { background: var(--sky); font-weight: 600; }
.nav .nav-radar { color: var(--blue); font-weight: 600; }
.nav-cta { margin-left: 8px; }
.has-menu { position: relative; }
.mega {
  position: absolute; left: 50%; top: 100%;
  width: max-content; max-width: 92vw; transform: translateX(-45%);
  display: none; grid-template-columns: repeat(4, auto); gap: 24px 44px;
  padding: 26px 28px; margin-top: 0;
  background: var(--paper); border: 1px solid var(--line); border-top: 4px solid var(--blue);
  border-radius: 4px 4px 14px 14px; box-shadow: 0 18px 40px rgba(11, 21, 48, .14);
}
.has-menu:hover .mega, .has-menu:focus-within .mega { display: grid; }
.mega::before { content: ""; position: absolute; left: 0; right: 0; top: -18px; height: 18px; }
.mega-title { font: 700 .98rem/1.2 var(--font-display); margin: 0 0 10px; color: var(--ink); }
.mega ul { display: block; }
.mega li a { padding: .38rem .5rem; margin-left: -.5rem; font-size: .95rem; font-weight: 500; white-space: nowrap; }
.tag-new {
  display: inline-block; font: 600 .68rem/1 var(--font-body); background: var(--red); color: #fff;
  padding: .22rem .45rem; border-radius: 4px; vertical-align: middle; margin-left: 4px;
}
.tag-lg { font-size: .9rem; padding: .35rem .6rem; vertical-align: middle; }

.nav-toggle { display: none; background: none; border: 2px solid var(--ink); border-radius: 10px; width: 46px; height: 46px; cursor: pointer; }
.nav-toggle .bars, .nav-toggle .bars::before, .nav-toggle .bars::after {
  display: block; width: 20px; height: 2px; background: var(--ink); position: relative; margin: 0 auto; transition: transform .2s var(--ease), opacity .2s;
}
.nav-toggle .bars::before, .nav-toggle .bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle .bars::before { top: -6px; }
.nav-toggle .bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bars::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Mensajes ---------- */
.flash-zone { padding-top: 16px; }
.flash { margin: 0 0 12px; padding: 12px 16px; border-left: 4px solid var(--blue); background: var(--sky); border-radius: 4px 10px 10px 4px; font-weight: 500; }
.flash p { margin: 0 0 4px; }
.flash p:last-child { margin: 0; }
.flash-ok { border-color: var(--ok); background: var(--ok-bg); color: #0A4F33; }
.flash-error { border-color: var(--bad); background: var(--bad-bg); color: #7C1A14; }

/* ---------- Estructura de secciones ---------- */
.band { padding: 92px 0; }
.band-tight { padding: 44px 0 80px; }
.band-sky { background: var(--sky); }
.band-ink { background: var(--ink); color: #E6EBFA; }
.band-ink h2, .band-ink h3 { color: #fff; }
.band-head { max-width: 760px; margin-bottom: 44px; }
.band-head p { color: var(--mute); font-size: 1.12rem; margin: 0; }

.page-head { background: var(--sky); padding: 72px 0 52px; position: relative; }
.page-head::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--line); }
.page-head h1 { font-size: clamp(2.2rem, 4.6vw, 3.7rem); max-width: 18ch; }
.page-head-compact { padding: 48px 0 40px; }
.page-head-compact h1 { max-width: none; }
.code-title { font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: .04em; font-variant-numeric: tabular-nums; }
.crumb { font-size: .92rem; color: var(--mute); margin-bottom: 14px; }
.crumb a { color: var(--mute); }

/* ---------- Héroe ---------- */
.hero { position: relative; overflow: hidden; padding: 72px 0 calc(min(100vw, 1400px) * .125 + 28px); background: var(--paper); }
.hero-flight { position: absolute; left: 50%; bottom: 0; width: 100%; max-width: 1400px; height: auto; transform: translateX(-50%); pointer-events: none; z-index: 0; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }
.hero-copy h1 { max-width: 14ch; margin-bottom: .4em; }
.hero-copy .lead { max-width: 52ch; }
.proof { list-style: none; margin: 36px 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 28px; max-width: 560px; }
.proof li { position: relative; padding-left: 22px; font-weight: 500; font-size: .98rem; line-height: 1.35; }
.proof li::before {
  content: ""; position: absolute; left: 0; top: .28em; width: 13px; height: 13px;
  background: var(--blue); clip-path: polygon(0 45%, 100% 0, 38% 62%);
}
.proof li::after {
  content: ""; position: absolute; left: 5px; top: .62em; width: 8px; height: 8px;
  background: var(--red); clip-path: polygon(0 0, 100% 100%, 0 70%);
}

.envelope h2 { font-size: 1.5rem; margin-bottom: .25em; }
.env-note { color: var(--mute); font-size: .95rem; margin-bottom: 14px; }
.env-foot { color: var(--mute); font-size: .82rem; margin: 12px 0 0; }
.envelope label { display: block; font-weight: 600; font-size: .9rem; margin: 12px 0 5px; }

/* ---------- Formularios ---------- */
input[type="text"], input[type="email"], input[type="tel"], input[type="number"], select, textarea {
  width: 100%; font: inherit; color: var(--ink);
  padding: .72rem .85rem; background: #fff;
  border: 1.5px solid #B9C3E3; border-radius: 8px;
  transition: border-color .15s, box-shadow .15s;
}
textarea { resize: vertical; min-height: 96px; line-height: 1.5; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(27, 63, 209, .2); }
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 6px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stack > * + * { margin-top: 0; }
.code-input { text-transform: uppercase; letter-spacing: .1em; font-weight: 600; font-variant-numeric: tabular-nums; }
fieldset { border: 0; padding: 0; margin: 0 0 20px; min-width: 0; }
legend { font-weight: 700; font-size: .98rem; padding: 0; margin-bottom: 10px; }
.choice-row { display: flex; flex-wrap: wrap; gap: 10px; }
.choice-row legend { width: 100%; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.choice span { display: inline-block; padding: .7rem 1.1rem; border: 2px solid #B9C3E3; border-radius: 10px; font-weight: 600; background: #fff; transition: all .15s; }
.choice input:checked + span { border-color: var(--blue); background: var(--blue); color: #fff; }
.choice input:focus-visible + span { outline: 3px solid var(--blue); outline-offset: 3px; }
.check-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px 16px; }
.check-grid legend { grid-column: 1 / -1; }
.check-item { display: flex; align-items: flex-start; gap: 10px; font-size: .96rem; padding: 5px 0; cursor: pointer; }
.check-item input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--blue); flex: none; }
.consent { margin: 18px 0 22px; font-size: .92rem; }

/* ---------- Paneles ---------- */
.panel { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 30px; box-shadow: 0 1px 2px rgba(11,21,48,.04); }
.panel + .panel { margin-top: 20px; }
.panel h2 { font-size: 1.5rem; }
.panel .h-sm { font-size: 1.25rem; }
.radar-landing .panel + .panel { margin-top: 0; }
.panel-airmail { background: transparent; border: 0; padding: 0; box-shadow: none; }
.panel-airmail .airmail { height: 100%; }
.thanks { text-align: left; }

/* ---------- Recorrido (inicio) ---------- */
.steps { list-style: none; counter-reset: paso; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; }
.steps li { position: relative; counter-increment: paso; padding-top: 64px; }
.steps li::before {
  content: counter(paso); position: absolute; left: 0; top: 0;
  width: 46px; height: 46px; display: grid; place-items: center;
  border: 2px solid var(--ink); border-radius: 50%;
  font: 700 1.2rem/1 var(--font-display); background: var(--paper); z-index: 1;
}
.steps li::after { content: ""; position: absolute; top: 22px; left: 60px; right: -22px; border-top: 3px dotted var(--red); }
.steps li:last-child::after { display: none; }
.steps h3 { margin-bottom: .3em; }
.steps p { color: var(--mute); margin: 0; font-size: .98rem; }

/* ---------- Directorio de soluciones ---------- */
.directory { display: grid; gap: 52px; }
.dir-group { display: grid; grid-template-columns: 300px 1fr; gap: 40px; border-top: 3px solid var(--ink); padding-top: 24px; }
.dir-head h2, .dir-head h3 { font-size: 1.5rem; margin-bottom: .3em; }
.dir-head p { color: var(--mute); font-size: .98rem; margin: 0; }
.dir-list { list-style: none; margin: 0; padding: 0; }
.dir-list li + li { border-top: 1px solid var(--line); }
.dir-list a {
  display: grid; grid-template-columns: 250px 1fr; gap: 24px; align-items: baseline;
  padding: 16px 12px; margin: 0 -12px; text-decoration: none; color: var(--ink); border-radius: 8px;
  transition: background-color .15s;
}
.dir-list a:hover { background: rgba(255,255,255,.7); }
.band-sky .dir-list a:hover { background: #fff; }
.dir-name { font: 700 1.1rem/1.25 var(--font-display); }
.dir-desc { color: var(--mute); font-size: .98rem; line-height: 1.45; }

/* ---------- SEND Radar: promoción ---------- */
.radar-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: center; }
.kicker-plain { display: inline-block; background: var(--red); color: #fff; font-weight: 600; font-size: .9rem; padding: .3rem .7rem; border-radius: 6px; margin-bottom: 18px; }
.radar-copy p { color: #C9D2EE; font-size: 1.08rem; }
.check { list-style: none; margin: 20px 0 0; padding: 0; display: grid; gap: 9px; }
.check li { position: relative; padding-left: 30px; font-weight: 500; }
.check li::before {
  content: ""; position: absolute; left: 0; top: .32em; width: 18px; height: 18px; border-radius: 50%; background: var(--blue-l);
}
.check li::after {
  content: ""; position: absolute; left: 6px; top: .5em; width: 5px; height: 9px;
  border: solid var(--ink); border-width: 0 2.5px 2.5px 0; transform: rotate(40deg);
}
.check-dark li::before { background: var(--blue); }
.check-dark li::after { border-color: #fff; }

.ticket {
  margin: 0; background: var(--paper); color: var(--ink); border-radius: 14px; position: relative;
  padding: 26px 28px 28px; box-shadow: 0 24px 50px rgba(0, 0, 0, .35);
}
.ticket::before, .ticket::after {
  content: ""; position: absolute; top: 93px; width: 26px; height: 26px; border-radius: 50%; background: var(--ink);
}
.ticket::before { left: -13px; }
.ticket::after { right: -13px; }
.ticket-top { padding-bottom: 20px; margin-bottom: 20px; border-bottom: 2px dashed var(--line); }
.ticket-label { display: block; font-size: .86rem; color: var(--mute); }
.ticket-code { font: 800 1.9rem/1.2 var(--font-display); letter-spacing: .06em; }
.mini-timeline { list-style: none; margin: 0 0 20px; padding: 0; display: grid; gap: 10px; }
.mini-timeline li { position: relative; padding-left: 28px; font-weight: 500; font-size: .98rem; }
.mini-timeline li::before { content: ""; position: absolute; left: 0; top: .3em; width: 16px; height: 16px; border-radius: 50%; background: var(--blue); }
.mini-timeline li::after { content: ""; position: absolute; left: 5px; top: .45em; width: 4px; height: 8px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(40deg); }
.ticket-hash { background: var(--sky); border-radius: 8px; padding: 10px 14px; font-size: .86rem; color: var(--mute); }
.ticket-hash code { display: block; font: 500 .92rem/1.4 ui-monospace, Menlo, Consolas, monospace; color: var(--ink); word-break: break-all; }
.ticket-verdict { margin-top: 14px; background: var(--ok-bg); color: #0A4F33; font-weight: 600; border-radius: 8px; padding: 10px 14px; }

/* ---------- Calculadora de ahorro ---------- */
.roi { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: start; }
.roi-copy p { color: var(--mute); font-size: 1.1rem; }
.roi-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 28px; }
.roi-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.roi-fields .field:last-child { grid-column: 1 / -1; }
.roi-out { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 8px; }
.roi-out > div { background: var(--sky); border-radius: 12px; padding: 14px 16px; }
.roi-out span { display: block; font-size: .86rem; color: var(--mute); }
.roi-out strong { display: block; font: 700 1.5rem/1.2 var(--font-display); letter-spacing: -.01em; }
.roi-out .roi-save { grid-column: 1 / -1; background: var(--ink); color: #fff; }
.roi-out .roi-save span, .roi-out .roi-save small { color: #C9D2EE; }
.roi-out .roi-save strong { font-size: 2.2rem; color: #fff; }
.roi-save small { font-size: .9rem; }

/* ---------- Testimonios, logos ---------- */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
blockquote { margin: 0; padding: 4px 0 4px 20px; border-left: 4px solid var(--red); }
blockquote p { font-size: 1.05rem; }
blockquote footer { font-size: .92rem; color: var(--mute); }
.logos { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 28px 44px; align-items: center; }
.logos img { max-height: 48px; width: auto; filter: grayscale(1); opacity: .75; transition: all .2s; }
.logos a:hover img, .logos img:hover { filter: none; opacity: 1; }

/* ---------- Preguntas frecuentes ---------- */
.faq-wrap { display: grid; grid-template-columns: .7fr 1.3fr; gap: 56px; }
.faq details { border-bottom: 1px solid #B9C3E3; }
.faq summary {
  list-style: none; cursor: pointer; padding: 20px 40px 20px 0; position: relative;
  font: 700 1.12rem/1.3 var(--font-display);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 6px; top: 50%; width: 12px; height: 12px;
  border: solid var(--blue); border-width: 0 3px 3px 0; transform: translateY(-70%) rotate(45deg); transition: transform .2s var(--ease);
}
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq details p { margin: 0 0 22px; color: var(--mute); max-width: 62ch; }

/* ---------- Llamado final ---------- */
.cta-final { padding: 80px 0 96px; }
.cta-inner { background: transparent; padding: 56px 48px; }
.cta-inner h2 { max-width: 22ch; }
.cta-inner p { color: var(--mute); font-size: 1.12rem; margin: 0; }

/* ---------- Pie ---------- */
.site-footer { background: var(--ink); color: #C9D2EE; margin-top: 0; border-top: 4px solid var(--blue); }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 44px; padding-top: 56px; padding-bottom: 40px; }
.foot-brand p { margin: 18px 0 0; max-width: 34ch; font-size: .97rem; }
.foot-contact { font-size: .97rem; }
.site-footer a { color: #fff; text-decoration-color: rgba(255,255,255,.35); }
.site-footer a:hover { color: var(--blue-l); }
.foot-title { font: 700 1rem/1.2 var(--font-display); color: #fff; margin: 0 0 14px; }
.foot-title.dark { color: var(--ink); }
.foot-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot-col a { text-decoration: none; font-size: .97rem; }
.foot-small { font-size: .92rem; }
.news-form { display: flex; gap: 8px; flex-wrap: wrap; }
.news-form input { flex: 1 1 170px; min-width: 0; }
.foot-legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; border-top: 1px solid rgba(255,255,255,.14); padding-top: 22px; padding-bottom: 34px; font-size: .88rem; }
.foot-legal p { margin: 0; }

/* ---------- Soluciones: detalle ---------- */
.detail-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 56px; align-items: start; }
.prose-lg { font-size: 1.2rem; line-height: 1.6; max-width: 62ch; margin-bottom: 2em; }
.detail-main .h-sm { margin-top: 1.4em; }
.callout { margin-top: 36px; padding: 22px 26px; background: var(--sky); border-left: 5px solid var(--blue); border-radius: 4px 14px 14px 4px; }
.callout p { margin: 4px 0 14px; color: var(--mute); }
.side-cta h2 { font-size: 1.35rem; }
.side-cta p { color: var(--mute); font-size: .96rem; }
.related { margin-top: 28px; }
.related ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }

/* ---------- Características ---------- */
.feature-groups { display: grid; gap: 48px; }
.fg { display: grid; grid-template-columns: 300px 1fr; gap: 40px; border-top: 3px solid var(--ink); padding-top: 24px; }
.fg-list { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 24px 36px; }
.fg-list dt { font: 700 1.1rem/1.3 var(--font-display); margin-bottom: 4px; }
.fg-list dd { margin: 0; color: var(--mute); font-size: .98rem; }
.table-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.compare { width: 100%; border-collapse: collapse; min-width: 560px; }
.compare th, .compare td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--line); }
.compare thead th { font: 700 1rem/1.2 var(--font-display); background: var(--paper); }
.compare tbody th { font-weight: 500; }
.compare tr:last-child th, .compare tr:last-child td { border-bottom: 0; }
.compare .col-send { background: #F1F5FF; border-left: 3px solid var(--blue); border-right: 3px solid var(--blue); }
.compare thead .col-send { background: var(--blue); color: #fff; }
.yes { color: var(--ok); font-weight: 700; }
.no { color: var(--mute); }

/* ---------- Contacto y soporte ---------- */
.contact-grid, .support-grid { display: grid; grid-template-columns: 1.5fr .8fr; gap: 36px; align-items: start; }
.form-wide .h-sm { margin-bottom: 18px; }
.plain-steps { margin: 0 0 12px; padding-left: 1.3rem; color: var(--mute); }
.plain-steps li { margin-bottom: 8px; padding-left: 4px; }

/* ---------- SEND Radar: páginas ---------- */
.radar-landing { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.track-layout { display: grid; grid-template-columns: 1.25fr 1fr; gap: 44px; align-items: start; }
.flight { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 26px 28px 20px; margin-bottom: 36px; }
.flight-track { position: relative; height: 70px; }
.flight-line { position: absolute; left: 17px; right: 17px; top: 50%; border-top: 3px dotted #B9C3E3; }
.flight-done { position: absolute; left: 17px; top: 50%; border-top: 3px dotted var(--red); width: calc((100% - 34px) * var(--p, 0)); transition: width 1s linear; }
.flight-plane { position: absolute; top: 50%; left: calc(17px + (100% - 34px) * var(--p, 0)); transform: translate(-50%, -50%) rotate(44deg); transition: left 1s linear; line-height: 0; }
.flight-ends { display: flex; justify-content: space-between; gap: 16px; font-weight: 600; font-size: .96rem; }
.flight-ends small { display: block; font-weight: 400; color: var(--mute); font-size: .82rem; }
.end-right { text-align: right; word-break: break-all; }

.timeline { list-style: none; margin: 14px 0 20px; padding: 0; }
.timeline li { position: relative; display: grid; grid-template-columns: 32px 1fr auto; gap: 14px; padding: 0 0 26px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before { content: ""; position: absolute; left: 11px; top: 26px; bottom: 0; width: 2px; background: var(--line); }
.timeline li:last-child::before { display: none; }
.tl-dot { width: 24px; height: 24px; border-radius: 50%; border: 2px solid #B9C3E3; background: #fff; margin-top: 2px; position: relative; }
.timeline li.done .tl-dot { background: var(--blue); border-color: var(--blue); }
.timeline li.done .tl-dot::after { content: ""; position: absolute; left: 7px; top: 3px; width: 5px; height: 10px; border: solid #fff; border-width: 0 2.5px 2.5px 0; transform: rotate(40deg); }
.timeline li.done::before { background: var(--blue); }
.timeline li.active .tl-dot { border-color: var(--red); animation: pulso 1.4s ease-out infinite; }
.tl-title { margin: 0; font-weight: 700; line-height: 1.3; }
.tl-detail { margin: 2px 0 0; color: var(--mute); font-size: .94rem; }
.tl-time { font-variant-numeric: tabular-nums; font-size: .9rem; color: var(--mute); padding-top: 3px; }
.timeline li:not(.done):not(.active) .tl-title { color: var(--mute); font-weight: 500; }
@keyframes pulso { 0% { box-shadow: 0 0 0 0 rgba(228, 61, 48, .5); } 100% { box-shadow: 0 0 0 12px rgba(228, 61, 48, 0); } }

.cert { position: relative; overflow: hidden; background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 32px 26px 26px; margin-bottom: 20px; box-shadow: var(--shadow); }
.cert::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; background: var(--blue); }
.cert dl { margin: 0 0 18px; display: grid; gap: 14px; }
.cert dt { font-size: .84rem; color: var(--mute); }
.cert dd { margin: 0; font-weight: 600; word-break: break-word; }
.hash { font: 500 .88rem/1.45 ui-monospace, Menlo, Consolas, monospace; word-break: break-all; }
.pill { display: inline-block; padding: .25rem .65rem; border-radius: 999px; font-size: .88rem; font-weight: 700; }
.pill-ok { background: var(--ok-bg); color: #0A4F33; }
.pill-bad { background: var(--bad-bg); color: var(--bad); }
.verdict { border-radius: 12px; padding: 14px 18px; margin-bottom: 16px; }
.verdict p { margin: 4px 0 0; }
.verdict-ok { background: var(--ok-bg); color: #0A4F33; border: 1px solid #A9DCC3; }
.verdict-bad { background: var(--bad-bg); color: #7C1A14; border: 1px solid #F1B7B1; }

/* ---------- Blog y texto largo ---------- */
.post-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; border-top: 3px solid var(--ink); }
.post-list li { border-bottom: 1px solid var(--line); }
.post-list a { display: grid; grid-template-columns: 150px 1fr; gap: 4px 32px; padding: 24px 12px; margin: 0 -12px; text-decoration: none; color: var(--ink); border-radius: 8px; }
.post-list a:hover { background: var(--sky); }
.post-cat { grid-row: 1 / span 3; color: var(--blue); font-weight: 600; font-size: .95rem; padding-top: 6px; }
.post-title { font: 700 1.45rem/1.2 var(--font-display); }
.post-sum { color: var(--mute); }
.post-date { font-size: .88rem; color: var(--mute); }
.empty { color: var(--mute); font-size: 1.1rem; }
.prose { font-size: 1.14rem; line-height: 1.7; }
.prose h2 { font-size: 1.5rem; margin-top: 1.6em; }
.prose p { max-width: 68ch; }

/* ---------- Responsive ---------- */
@media (max-width: 1040px) {
  .hero-grid, .radar-grid, .roi, .detail-grid, .contact-grid, .support-grid, .radar-landing, .track-layout, .faq-wrap { grid-template-columns: 1fr; gap: 40px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .dir-group, .fg { grid-template-columns: 1fr; gap: 20px; }
  .steps { grid-template-columns: 1fr 1fr; gap: 44px 32px; }
  .steps li:nth-child(2)::after { display: none; }
  .quotes { grid-template-columns: 1fr; }
  .check-grid { grid-template-columns: 1fr 1fr; }
  .hero-copy h1 { max-width: 16ch; }
}

@media (max-width: 960px) {
  .nav-toggle { display: inline-block; }
  .nav {
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--paper); border-bottom: 1px solid var(--line);
    max-height: calc(100vh - 82px); overflow-y: auto;
    display: none; padding: 12px var(--gut) 24px;
  }
  .nav.open { display: block; }
  .nav ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav a:not(.btn) { padding: .8rem .6rem; }
  .nav-cta { margin: 10px 0 0; }
  .nav-cta .btn { width: 100%; }
  .has-menu .mega, .has-menu:hover .mega, .has-menu:focus-within .mega { display: none; }
}

@media (max-width: 680px) {
  :root { --gut: 18px; }
  body { font-size: 1.02rem; }
  .band { padding: 64px 0; }
  .band-tight { padding: 32px 0 60px; }
  .hero { padding: 44px 0 64px; }
  .proof { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .steps li::after { display: none; }
  .steps li { padding-top: 58px; }
  .dir-list a { grid-template-columns: 1fr; gap: 2px; }
  .field-row, .roi-fields, .roi-out, .fg-list, .check-grid { grid-template-columns: 1fr; }
  .roi-fields .field:last-child { grid-column: auto; }
  .foot-grid { grid-template-columns: 1fr; gap: 32px; }
  .envelope, .panel, .roi-card, .flight { padding: 22px 18px; }
  .cta-inner { padding: 36px 22px; }
  .post-list a { grid-template-columns: 1fr; }
  .post-cat { grid-row: auto; padding: 0; }
  .timeline li { grid-template-columns: 32px 1fr; }
  .tl-time { grid-column: 2; padding: 0; }
}

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- Impresión (certificado) ---------- */
@media print {
  .site-header, .site-footer, .airmail-strip, .skip, .verify, #print-cert, .crumb, .page-head::after, .btn, .link-btn, .flash-zone, .fine { display: none !important; }
  body { background: #fff; font-size: 12pt; }
  .page-head { background: #fff; padding: 0 0 12px; }
  .track-layout { display: block; }
  .flight, .cert { break-inside: avoid; border: 1px solid #999; margin-bottom: 14px; }
  .hash { font-size: 10pt; }
}