/* =========================================================================
   Landing de contacto (Pages/others/contact[_br].php).
   Sale de la maqueta edutin-contacto.html (mismo sistema de diseño que
   /certificado-de-estudios). Sin header ni footer: el menú es
   menu_native_new y el footer, footer_new.
   ========================================================================= */
:root{
  --font-ui:'Mulish',sans-serif; --font-display:'Sora',sans-serif;
  --blue:var(--brand-500,#2979ff); --blue-700:#1f63db; --blue-050:#ECF0FF; --blue-025:#F3F5FA;
  --navy:var(--brand-900,#031b4e); --navy-2:#0B1437;
  --slate:#56607D; --slate-2:#8A93AB;
  --line:#E6EAF3; --line-2:#D7DDEB;
  --wa:#25D366;
  --white:#fff; --paper:#F6F8FC;
  --maxw:1140px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --r-btn:6px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-ui);color:var(--navy);background:var(--white);-webkit-font-smoothing:antialiased;line-height:1.55;font-size:17px}
a{color:inherit;text-decoration:none}
img,svg{display:block}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:6px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{position:relative}
h1,h2,h3{letter-spacing:-.02em;color:var(--navy);font-weight:700;font-family:var(--font-ui)}
h1{font-size:clamp(34px,5.2vw,48px);font-weight:700;line-height:1.2}
h2{font-size:clamp(27px,3.4vw,38px);line-height:1.3}
h3{font-size:clamp(20px,2vw,25px);line-height:1.2}
p{color:var(--slate)}
.eyebrow{font-weight:700;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue-700)}
.hl{color:var(--blue)}
svg.ti-svg{width:1em;height:1em;display:inline-block;vertical-align:-.125em;flex:0 0 auto}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:16px;padding:20px 22px;border-radius:var(--r-btn);border:0;cursor:pointer;font-family:inherit;box-shadow:none;transition:background .18s,border-color .18s,color .18s}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-700)}
.btn-light{background:#fff;color:var(--navy);border:1px solid var(--line)}
.btn-light:hover{border-color:var(--blue);color:var(--blue)}

/* ---------- Secciones ---------- */
.sec-head{max-width:720px;margin-bottom:46px}
.sec-head h2{margin-top:12px}
.band{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- Hero con el formulario ---------- */
.ct-hero{padding:72px 0 96px;overflow:hidden;background:radial-gradient(900px 460px at 78% -8%,rgba(41,121,255,.16),transparent 60%),radial-gradient(700px 420px at 10% 6%,rgba(91,155,255,.12),transparent 55%),linear-gradient(180deg,#fff,var(--blue-025) 70%,#fff)}
.ct-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start}
.ct-intro h1{margin:10px 0 0}
.ct-intro .sub{margin-top:18px;max-width:540px;font-size:18px;line-height:1.75}
.ct-channels{display:grid;gap:12px;margin-top:34px}
.ct-ch{display:flex;align-items:center;gap:16px;padding:16px 18px;border:1px solid var(--line);border-radius:16px;background:#fff;color:inherit;transition:background .16s var(--ease),border-color .16s var(--ease)}
a.ct-ch:hover,a.ct-ch:focus-visible{background:var(--blue-025);border-color:rgba(41,121,255,.35);outline:0}
.ct-ch__ic{width:46px;height:46px;flex:0 0 auto;border-radius:13px;display:grid;place-items:center;color:var(--blue);background:linear-gradient(155deg,rgba(255,255,255,.55),rgba(255,255,255,0) 60%),var(--blue-050);box-shadow:inset 0 1px 0 rgba(255,255,255,.5)}
.ct-ch__ic i,.ct-ch__ic svg{font-size:23px}
.ct-ch__ic--wa{color:var(--wa);background:#E9FBF0}
.ct-ch__tx{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.ct-ch__tx b{font-size:16px;font-weight:700;color:var(--navy-2)}
.ct-ch__tx span{font-size:14px;line-height:1.5;color:var(--slate)}
.ct-ch__go{font-size:18px;color:var(--blue);transition:transform .2s var(--ease)}
a.ct-ch:hover .ct-ch__go{transform:translateX(4px)}

/* ---------- Formulario ---------- */
.ct-card{position:relative;padding:32px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 30px 60px -36px rgba(11,20,55,.28)}
.ct-card h2{margin:0;font-size:24px;font-weight:700;color:var(--navy-2);letter-spacing:-.01em}
.ct-card__sub{margin:6px 0 24px;font-size:15px;color:var(--slate)}
.ct-form{display:grid;gap:18px}
.ct-field{display:grid;gap:7px}
.ct-field label{font-size:14px;font-weight:700;color:var(--navy-2)}
.ct-input{width:100%;height:50px;padding:0 14px;border:1px solid var(--line-2);border-radius:12px;background:#fff;font:inherit;font-size:15.5px;color:var(--navy-2);transition:border-color .16s var(--ease),box-shadow .16s var(--ease)}
textarea.ct-input{height:auto;min-height:168px;padding:13px 14px;line-height:1.6;resize:vertical}
.ct-input::placeholder{color:var(--slate-2)}
.ct-input:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(41,121,255,.14)}
.ct-field.is-err .ct-input{border-color:#E5484D}
.ct-field.is-err .ct-input:focus{box-shadow:0 0 0 3px rgba(229,72,77,.14)}
.ct-err{display:none;align-items:center;gap:6px;font-size:13.5px;color:#D93036}
.ct-err svg{font-size:15px}
.ct-field.is-err .ct-err{display:flex}
.ct-meta{display:flex;justify-content:space-between;gap:12px}
.ct-count{margin-left:auto;font-size:13px;color:var(--slate)}
.ct-count.is-over{color:#D93036}
.ct-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.ct-captcha{min-height:78px}
@media(max-width:380px){.ct-captcha{min-height:144px}}
.ct-alert{display:none;align-items:flex-start;gap:8px;padding:12px 14px;border-radius:12px;background:#FDECEC;font-size:14px;line-height:1.5;color:#B4232A}
.ct-alert svg{font-size:17px;margin-top:1px}
.ct-alert.is-on{display:flex}
.ct-submit{width:100%;height:52px;gap:10px;justify-content:center}
.ct-submit[disabled]{opacity:.7;cursor:progress}
.ct-spin{width:18px;height:18px;border-radius:50%;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;animation:ctSpin .7s linear infinite;display:none}
.ct-submit.is-busy .ct-spin{display:block}
.ct-legal{margin:2px 0 0;font-size:13px;line-height:1.6;color:var(--slate);text-align:center}
.ct-legal a{color:var(--blue-700);font-weight:700;padding:1px 4px;margin:0 -4px;border-radius:6px;transition:background .16s var(--ease)}
.ct-legal a:hover{background:var(--blue-050)}

/* confirmación */
.ct-done{display:none;flex-direction:column;align-items:center;text-align:center;padding:30px 8px 12px}
.ct-card.is-sent{display:flex;flex-direction:column;justify-content:center}
.ct-card.is-sent .ct-form,.ct-card.is-sent > h2,.ct-card.is-sent > .ct-card__sub{display:none}
.ct-card.is-sent .ct-done{display:flex;animation:ctIn .35s var(--ease)}
.ct-done__ic{width:68px;height:68px;border-radius:20px;display:grid;place-items:center;margin-bottom:18px;color:#fff;background:linear-gradient(155deg,rgba(255,255,255,.28),rgba(255,255,255,0) 55%),linear-gradient(155deg,#2979ff 0%,#1C63E8 55%,#1550C4 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.35)}
.ct-done__ic svg{font-size:34px}
.ct-done h3{margin:0 0 8px;font-size:24px;font-weight:700;color:var(--navy-2)}
.ct-done p{margin:0 0 22px;max-width:380px;font-size:15.5px;line-height:1.7;color:var(--slate)}
.ct-done p b{color:var(--navy-2)}

/* ---------- Ayuda rápida ---------- */
.ct-help{padding:96px 0 110px}
.ct-help__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ct-help__card{display:flex;flex-direction:column;gap:6px;padding:24px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:background .16s var(--ease),border-color .16s var(--ease)}
.ct-help__card:hover,.ct-help__card:focus-visible{background:var(--blue-025);border-color:rgba(41,121,255,.35);outline:0}
.ct-help__card .ct-ch__ic{margin-bottom:10px;color:var(--blue)}
.ct-help__card h3{margin:0;font-size:17px;font-weight:700;line-height:1.35;letter-spacing:-.01em;color:var(--navy-2)}
.ct-help__card span{font-size:15px;line-height:1.65;color:var(--slate)}
.ct-help__card em{display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:10px;font-style:normal;font-size:14.5px;font-weight:700;color:var(--blue-700)}
.ct-help__card em i{transition:transform .2s var(--ease)}
.ct-help__card:hover em i{transform:translateX(4px)}

@media(max-width:960px){
  .ct-grid{grid-template-columns:1fr;gap:40px}
  .ct-help__grid{grid-template-columns:1fr}
}
@media(max-width:760px){
  .ct-help{padding:72px 0}
}
@media(max-width:560px){
  .ct-card{padding:24px 20px}
  .ct-hero{padding:48px 0 72px}
}
@media(max-width:480px){
  .wrap{padding:0 16px}
  .ct-help{padding:52px 0}
}
@media(prefers-reduced-motion:reduce){
  .ct-card.is-sent .ct-done{animation:none}
  .ct-spin{animation-duration:2s}
}
@keyframes ctSpin{to{transform:rotate(360deg)}}
@keyframes ctIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}