/* RadioService · radioservice.es
   Identidad del logotipo: azul marino de la palabra, acero de la órbita y un cian de señal, sobre papel claro.
   Titulares con la serif del sistema (la del logotipo: Charter, Cambria, Georgia); texto en Atkinson Hyperlegible. */
@font-face { font-family: 'Atkinson'; src: url('../site/fonts/atkinson.woff') format('woff'); font-weight: 200 800; font-display: swap; }
@font-face { font-family: 'Atkinson'; src: url('../site/fonts/atkinson-italic.woff') format('woff'); font-weight: 200 800; font-style: italic; font-display: swap; }

:root {
  --bg: #f3f6f9;
  /* nombres que usa tienda.css de Mycall (allí el tema es oscuro) */
  --paper: #10243f;
  --console: #ffffff;
  --rack: #d6dee8;
  --rack-hi: #c3cedb;
  --amber: #1f8aa6;
  --dim: #66758a;
  --display: var(--serif);
  --tally: #b3363b;
  --pgm: #2f8a4c;
  --white: #ffffff;
  --ink: #10243f;
  --ink-2: #3b4d66;
  --mute: #66758a;
  --line: #d6dee8;
  --line-2: #c3cedb;
  --steel: #2a5d84;
  --signal: #1f8aa6;
  --signal-deep: #146c84;
  --signal-soft: #e2f1f5;
  --ok: #2f8a4c;
  --warn: #a8661a;
  --bad: #b3363b;
  --serif: 'Iowan Old Style', Charter, 'Bitstream Charter', Cambria, 'Sitka Text', Georgia, serif;
  --body: 'Atkinson', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --wrap: 1160px;
  --gutter: clamp(16px, 4vw, 40px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 17px/1.6 var(--body); -webkit-font-smoothing: antialiased; }
a { color: var(--signal-deep); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
img { max-width: 100%; height: auto; display: block; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 4px; }
[hidden] { display: none !important; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

h1, h2, h3 { font-family: var(--serif); margin: 0; color: var(--ink); letter-spacing: -0.005em; }
h1 { font-size: clamp(40px, 6.4vw, 78px); line-height: 1.02; font-weight: 700; }
h2 { font-size: clamp(30px, 3.8vw, 46px); line-height: 1.08; font-weight: 700; }
h3 { font-size: clamp(21px, 2vw, 26px); line-height: 1.2; font-weight: 700; }
p { margin: 0; }
.lede { font-size: clamp(18px, 1.5vw, 20px); color: var(--ink-2); max-width: 36em; }
.hint, .small { color: var(--mute); font-size: 15px; }
.tiny { color: var(--mute); font-size: 13.5px; margin-top: 10px; }

/* ---------- cabecera y pie ---------- */
.site-head { position: sticky; top: 0; z-index: 40; background: rgba(243, 246, 249, 0.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.site-head .wrap { display: flex; align-items: center; gap: 22px; height: 76px; }
.brand img { height: 58px; width: auto; mix-blend-mode: multiply; }
.site-head nav { display: flex; gap: 24px; margin-left: auto; align-items: center; }
.site-head nav a { color: var(--ink-2); text-decoration: none; font-size: 15.5px; }
.site-head nav a:hover, .site-head nav a[aria-current] { color: var(--ink); }
.site-head nav a[aria-current] { box-shadow: 0 2px 0 var(--signal); }
@media (max-width: 760px) { .site-head nav a.opt { display: none; } }
.site-foot { border-top: 1px solid var(--line); margin-top: 60px; padding: 36px 0 46px; color: var(--mute); font-size: 14.5px; background: var(--white); }
.site-foot .wrap { display: flex; gap: 24px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.site-foot img { height: 44px; mix-blend-mode: multiply; }
.site-foot a { color: var(--ink-2); }

/* ---------- botones y formularios ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 600 16px/1 var(--body); padding: 14px 20px; border-radius: 8px; border: 1px solid var(--line-2); background: var(--white); color: var(--ink); text-decoration: none; cursor: pointer; transition: background .15s, border-color .15s, transform .1s; }
.btn:hover { border-color: var(--steel); color: var(--ink); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn.primary:hover { background: var(--steel); border-color: var(--steel); color: #fff; }
.btn.signal { background: var(--signal); border-color: var(--signal); color: #fff; }
.btn.signal:hover { background: var(--signal-deep); border-color: var(--signal-deep); }
.btn.small { padding: 9px 14px; font-size: 14.5px; border-radius: 7px; }
.btn.wide { width: 100%; margin-top: 16px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
label.field { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--ink-2); }
input, select, textarea { font: 400 16px/1.4 var(--body); color: var(--ink); background: var(--white); border: 1px solid var(--line-2); border-radius: 8px; padding: 11px 13px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid #1f8aa633; border-color: var(--signal); }
textarea { min-height: 84px; resize: vertical; }

/* ---------- portada ---------- */
.hero { border-bottom: 1px solid var(--line); background: radial-gradient(120% 90% at 85% 10%, #ffffff 0%, #eef3f7 55%, var(--bg) 100%); overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: clamp(20px, 4vw, 60px); align-items: center; padding-top: clamp(40px, 7vw, 90px); padding-bottom: clamp(40px, 7vw, 90px); }
.hero .lede { margin-top: 22px; }
.hero .ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.orbit { position: relative; width: 100%; aspect-ratio: 1; max-width: 460px; justify-self: center; }
.orbit svg { width: 100%; height: 100%; overflow: visible; }
.orbit .ring { fill: none; stroke: var(--steel); stroke-width: 2; opacity: .55; }
.orbit .ring.b { stroke: var(--signal); opacity: .35; stroke-dasharray: 3 7; }
.orbit .core { fill: var(--white); stroke: var(--line-2); }
.orbit .sat circle { fill: var(--ink); }
.orbit .sat text { font: 600 15px var(--body); fill: var(--ink); }
.orbit .sat .lbl-bg { fill: var(--white); stroke: var(--line); }
.orbit .spin { transform-origin: 230px 230px; animation: orbit 60s linear infinite; }
.orbit .spin .sat { animation: orbit 60s linear infinite reverse; transform-box: fill-box; transform-origin: center; }
@keyframes orbit { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .orbit .spin, .orbit .spin .sat { animation: none; } }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; } .orbit { max-width: 340px; } }

section.block { padding: clamp(56px, 8vw, 100px) 0; }
section.block + section.block { border-top: 1px solid var(--line); }
.head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(16px, 4vw, 60px); align-items: end; margin-bottom: clamp(28px, 4vw, 48px); }
.head p { color: var(--ink-2); font-size: 18px; max-width: 34em; }
@media (max-width: 860px) { .head { grid-template-columns: 1fr; } }

/* productos: cada uno con su propia disposición */
.product { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(20px, 4vw, 56px); align-items: start; padding: clamp(28px, 4vw, 44px) 0; border-top: 1px solid var(--line); }
.product:first-of-type { border-top: 0; padding-top: 0; }
.product .tag { display: inline-block; font-size: 14px; color: var(--signal-deep); font-weight: 600; margin-bottom: 8px; }
.product h3 { font-size: clamp(28px, 3vw, 38px); }
.product p.desc { color: var(--ink-2); margin-top: 12px; max-width: 32em; }
.product ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.product li { padding-left: 24px; position: relative; color: var(--ink-2); }
.product li::before { content: ''; position: absolute; left: 3px; top: 10px; width: 8px; height: 8px; border-radius: 50%; border: 2px solid var(--signal); }
.product .ctas { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; align-items: center; }
.product .from { font-family: var(--serif); font-size: 22px; font-weight: 700; color: var(--ink); }
.product .from small { font-family: var(--body); font-size: 14px; color: var(--mute); font-weight: 400; }
@media (max-width: 860px) { .product { grid-template-columns: 1fr; } }

.editions { width: 100%; border-collapse: collapse; font-size: 15px; background: var(--white); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.editions th, .editions td { padding: 11px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.editions thead th { font-family: var(--serif); font-size: 16px; color: var(--ink); background: #f7f9fb; }
.editions td { color: var(--ink-2); }
.editions td.price { white-space: nowrap; font-weight: 600; color: var(--ink); }
.editions tr:last-child td { border-bottom: 0; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; counter-reset: s; }
.steps li { counter-increment: s; padding: 4px 26px 8px; border-left: 1px solid var(--line); }
.steps li::before { content: counter(s); display: block; font-family: var(--serif); font-weight: 700; font-size: 40px; color: var(--signal); line-height: 1; margin-bottom: 10px; }
.steps b { display: block; font-size: 18px; margin-bottom: 6px; }
.steps p { color: var(--ink-2); font-size: 15.5px; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; row-gap: 24px; } }

.keybox { margin-top: clamp(30px, 5vw, 50px); padding: clamp(24px, 4vw, 40px); border-radius: 14px; background: var(--ink); color: #e9eef4; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: center; }
.keybox h3 { color: #fff; }
.keybox p { color: #c2cfdd; margin-top: 8px; }
.keybox .btn { background: #fff; color: var(--ink); border-color: #fff; }
@media (max-width: 700px) { .keybox { grid-template-columns: 1fr; } }

/* ---------- tienda (sobre tienda.css de Mycall, en claro) ---------- */
body.rs .shop-title h1 { font-family: var(--serif); font-size: clamp(36px, 5vw, 60px); }
body.rs .dur { background: var(--white); border-color: var(--line-2); color: var(--ink); }
body.rs .dur span { color: var(--ink-2); }
body.rs .dur:hover { border-color: var(--steel); }
body.rs .dur[aria-checked="true"] { background: var(--signal-soft); border-color: var(--signal); box-shadow: inset 0 0 0 1px var(--signal); }
body.rs .dur b, body.rs .pane h2, body.rs .sum-card h2, body.rs .checkout h2, body.rs .methods legend { font-family: var(--serif); }
body.rs .dur .off { background: var(--signal); color: #fff; }
body.rs .pane { border-top-color: var(--line); }
body.rs .item { border-bottom-color: var(--line); }
body.rs .item .t small { color: var(--mute); }
body.rs .item .pr { color: var(--ink-2); }
body.rs .item.on .pr { color: var(--ink); }
body.rs .stepper { background: var(--white); border-color: var(--line-2); }
body.rs .stepper button { color: var(--ink); }
body.rs .stepper button:hover:not(:disabled) { background: var(--signal-soft); }
body.rs .stepper button:disabled { color: #b5c0cc; }
body.rs .item.on .stepper { border-color: var(--signal); }
body.rs .switch span { background: #e6ebf1; border-color: var(--line-2); }
body.rs .switch span::after { background: #9aa8b8; }
body.rs .switch input:checked + span { background: var(--signal-soft); border-color: var(--signal); }
body.rs .switch input:checked + span::after { background: var(--signal); }
body.rs .sum-card { background: var(--white); border-color: var(--line); box-shadow: 0 18px 40px -26px #10243f55; }
body.rs .sum-lines li, body.rs .sum-row { color: var(--ink-2); }
body.rs .sum-row { border-top-color: var(--line); }
body.rs .sum-row b, body.rs .sum-total b { color: var(--ink); }
body.rs .sum-total { border-top-color: var(--line-2); }
body.rs .sum-total b { font-family: var(--serif); }
body.rs .saving { color: var(--ok); }
body.rs .method { background: var(--white); border-color: var(--line-2); }
body.rs .method small { color: var(--mute); }
body.rs .method:has(input:checked) { background: var(--signal-soft); border-color: var(--signal); }
body.rs .method input, body.rs .accept input { accent-color: var(--signal); }
body.rs .accept { color: var(--ink-2); }
body.rs .terms { background: var(--white); border-color: var(--line); color: var(--ink-2); }
body.rs .notice { background: var(--white); border-color: var(--line-2); }
body.rs .notice.bad { background: #fbeeee; border-color: #e3b3b5; color: #7d2226; }
body.rs .notice.ok { background: #eaf5ee; border-color: #b6d9c1; color: #1e5a32; }
body.rs .field em { color: var(--mute); }
body.rs .status { background: var(--white); border-color: var(--line-2); }
body.rs .status i { background: var(--warn); box-shadow: 0 0 0 4px #a8661a26; }
body.rs .status.paid i, body.rs .status.done i { background: var(--ok); box-shadow: 0 0 0 4px #2f8a4c26; }
body.rs .pay { background: linear-gradient(120deg, #e6f2f6 0%, #ffffff 80%); border-color: #b9dbe5; }
body.rs .pay h2, body.rs .lic h2, body.rs .order h1 { font-family: var(--serif); }
body.rs .pay dt { color: var(--signal-deep); }
body.rs .pay dd { color: var(--ink); font-family: var(--serif); }
body.rs .pay p { color: var(--ink-2); }
body.rs .copy { border-color: var(--line-2); color: var(--ink-2); }
body.rs .copy:hover { background: var(--signal-soft); }
body.rs .keys li { border-bottom-color: var(--line); }
body.rs .keys li span, body.rs .recap td { color: var(--ink-2); }
body.rs .keys code, body.rs .recap td:last-child { color: var(--ink); }
body.rs .recap td { border-bottom-color: var(--line); }

/* ---------- zona de descargas ---------- */
.dl-page { padding-top: clamp(36px, 6vw, 70px); padding-bottom: 40px; }
.dl-login { max-width: 560px; margin-top: 26px; display: flex; flex-direction: column; gap: 12px; }
.dl-login .row { display: flex; gap: 10px; }
.dl-login input { font: 600 19px/1.3 ui-monospace, 'Cascadia Mono', Consolas, monospace; letter-spacing: .05em; text-transform: uppercase; }
.dl-msg { color: var(--bad); font-size: 15px; min-height: 1.4em; }
.dl-who { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding: 16px 18px; background: var(--white); border: 1px solid var(--line); border-radius: 10px; margin-top: 24px; }
.dl-who b { font-family: var(--serif); font-size: 20px; }
.dl-who span { display: block; color: var(--mute); font-size: 14.5px; }
.dl-group { margin-top: 30px; }
.dl-group h2 { font-size: 26px; margin-bottom: 10px; }
.dl-list { list-style: none; padding: 0; margin: 0; background: var(--white); border: 1px solid var(--line); border-radius: 10px; }
.dl-list li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px; align-items: center; padding: 16px 18px; border-top: 1px solid var(--line); }
.dl-list li:first-child { border-top: 0; }
.dl-list b { font-size: 17px; }
.dl-list .meta { color: var(--mute); font-size: 14px; }
.dl-list .d { color: var(--ink-2); font-size: 15px; margin-top: 4px; white-space: pre-wrap; }
.dl-list .sha { font: 12px ui-monospace, Consolas, monospace; color: #8a97a8; overflow-wrap: anywhere; }
.dl-empty { padding: 20px; color: var(--mute); }

/* Pie siempre abajo en páginas cortas */
body.rs { min-height: 100vh; display: flex; flex-direction: column; }
body.rs > main { flex: 1 0 auto; width: 100%; }

/* ---------- prueba gratuita (días del panel → Demos) ---------- */
.demo-strip { display: block; text-align: center; padding: 11px var(--gutter); background: linear-gradient(90deg, #146c84, #1f8aa6 50%, #146c84); color: #fff; text-decoration: none; font-size: 15.5px; }
.demo-strip b { font-size: 17px; margin-right: 6px; }
.demo-strip:hover { color: #fff; filter: brightness(1.08); }
.demo-strip .go { display: inline-block; margin-left: 10px; padding: 3px 10px; border-radius: 999px; background: #ffffff2e; font-weight: 600; }
.btn.demo { background: var(--pgm); border-color: var(--pgm); color: #fff; position: relative; }
.btn.demo:hover { background: #267a41; border-color: #267a41; color: #fff; }
.btn.demo::after { content: ''; position: absolute; inset: -4px; border-radius: 12px; border: 2px solid var(--pgm); opacity: 0; animation: demo-pulse 2.4s ease-out infinite; pointer-events: none; }
@keyframes demo-pulse { 0% { opacity: .7; transform: scale(.98); } 70%, 100% { opacity: 0; transform: scale(1.06); } }
@media (prefers-reduced-motion: reduce) { .btn.demo::after { animation: none; } }
.demo-band { border-radius: 20px; padding: clamp(24px, 4vw, 44px); background: linear-gradient(135deg, #e2f1f5, #eaf6ee); border: 1px solid #b9dfc6; display: grid; grid-template-columns: minmax(0, 1.4fr) auto; gap: 24px; align-items: center; }
.demo-band h2 em { font-style: normal; color: var(--pgm); }
.demo-band p { color: var(--ink-2); margin-top: 12px; max-width: 40em; }
.demo-band ul { display: flex; flex-wrap: wrap; gap: 8px 18px; padding: 0; margin: 16px 0 0; list-style: none; color: var(--ink-2); font-size: 15px; }
.demo-band li::before { content: '✓'; color: var(--pgm); margin-right: 7px; font-weight: 700; }
.demo-band .btn { font-size: 18px; padding: 18px 26px; }
@media (max-width: 760px) { .demo-band { grid-template-columns: 1fr; } }

/* ---------- Contactar (0.31.2) ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.25fr; gap: 40px; align-items: start; }
.contact-pitch h2 { margin-top: 0; }
.contact-why { padding-left: 20px; color: var(--ink-2); line-height: 1.7; }
.contact-form { background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 24px; }
.cfields { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
.cfields .span2 { grid-column: span 2; }
.contact-form .field em { font-style: normal; color: var(--mute); margin-left: 6px; }
.contact-form .field input.bad { border-color: var(--tally); }
.contact-form .accept { display: flex; gap: 12px; align-items: flex-start; margin: 20px 0; color: var(--ink-2); font-size: 15px; }
.contact-form .accept input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--signal); flex: none; }
.contact-form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.cnotice { padding: 14px 16px; border-radius: 10px; border: 1px solid var(--line-2); margin: 0 0 16px; }
.cnotice.bad { background: #fbeeee; border-color: #e3b3b5; color: #7d2226; }
.cnotice.ok { background: #eaf5ee; border-color: #b6d9c1; color: #1e5a32; margin: 16px 0 0; }
@media (max-width: 820px) { .contact { grid-template-columns: 1fr; gap: 20px; } }
@media (max-width: 560px) { .cfields { grid-template-columns: 1fr; } .cfields .span2 { grid-column: auto; } .contact-form { padding: 18px; } }

/* 0.31.3: que la cabecera fija no tape el formulario al llegar desde «Contactar» */
#contactar, #contact-form { scroll-margin-top: 84px; }