/* Guías Neurolabs — lectura larga, misma identidad de la home (negro, cian, Unbounded). */

@font-face {
  font-family: "Unbounded";
  src: url("/fonts/unbounded-latin.woff2") format("woff2");
  font-weight: 200 900;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #020405;
  --surface: rgba(7, 12, 14, 0.78);
  --ink: #f7f8fb;
  --muted: #a5b0b5;
  --muted-2: #6f7b82;
  --line: rgba(255, 255, 255, 0.14);
  --line-strong: rgba(255, 255, 255, 0.24);
  --cyan: #1fd7ff;
  --green: #51e6a6;
  --wa: #25d366;
  /* Unbounded no tiene glifos chinos: el navegador cae a estas al renderizar zh */
  --cjk: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC",
    "Source Han Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(90% 40% at 80% 0%, rgba(31, 215, 255, 0.07) 0%, rgba(2, 4, 5, 0) 60%),
    var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", var(--cjk), sans-serif;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--cyan);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
}

/* header */

.g-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(2, 4, 5, 0.7);
  border-bottom: 1px solid var(--line);
}

.g-header__inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.g-header__inner img {
  height: 26px;
  width: auto;
}

.g-header__inner nav {
  margin-left: auto;
  display: flex;
  gap: 16px;
  font-size: 0.86rem;
}

.g-header__inner nav a {
  color: var(--muted);
}

.g-header__inner nav a:hover {
  color: var(--ink);
  text-decoration: none;
}

/* layout */

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

.g-crumbs {
  font-size: 0.8rem;
  color: var(--muted-2);
  margin-bottom: 18px;
}

.g-crumbs a {
  color: var(--muted);
}

h1,
h2,
h3 {
  font-family: "Unbounded", "Segoe UI", system-ui, var(--cjk), sans-serif;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(1.55rem, 4.5vw, 2.3rem);
  font-weight: 800;
  margin: 0 0 14px;
  text-wrap: balance;
}

h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 40px 0 12px;
}

p {
  margin: 0 0 16px;
}

ul,
ol {
  margin: 0 0 16px;
  padding-left: 22px;
}

li {
  margin-bottom: 8px;
}

strong {
  color: #fff;
}

.faja {
  display: block;
  width: 74px;
  height: 5px;
  margin: 14px 0 22px;
  border-radius: 99px;
  background: linear-gradient(
    90deg,
    #1fd7ff 0 14%,
    #51e6a6 14% 28%,
    #f1bc55 28% 42%,
    #ff6f91 42% 58%,
    #b28cff 58% 72%,
    #f06b45 72% 86%,
    #1fd7ff 86% 100%
  );
  box-shadow: 0 0 14px rgba(31, 215, 255, 0.25);
}

.g-meta {
  font-size: 0.82rem;
  color: var(--muted-2);
  margin-bottom: 26px;
}

/* respuesta corta (formato citable) */

.g-answer {
  border: 1px solid rgba(31, 215, 255, 0.35);
  border-left: 4px solid var(--cyan);
  border-radius: 14px;
  background: rgba(31, 215, 255, 0.06);
  padding: 18px 20px;
  margin: 0 0 30px;
  font-size: 1.02rem;
}

.g-answer strong {
  color: var(--cyan);
}

/* tabla de precios */

.g-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 20px;
  font-size: 0.94rem;
}

.g-table th,
.g-table td {
  text-align: left;
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.g-table th {
  font-family: "Unbounded", var(--cjk), sans-serif;
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.g-table td:last-child {
  white-space: nowrap;
  color: var(--green);
  font-weight: 700;
}

/* cajas */

.g-note {
  border: 1px dashed var(--line-strong);
  border-radius: 12px;
  padding: 14px 18px;
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0 0 20px;
}

/* FAQ */

.g-faq details {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  padding: 0 18px;
  margin-bottom: 10px;
}

.g-faq summary {
  cursor: pointer;
  padding: 14px 0;
  font-weight: 700;
  list-style: none;
}

.g-faq summary::before {
  content: "+ ";
  color: var(--cyan);
  font-weight: 800;
}

.g-faq details[open] summary::before {
  content: "− ";
}

.g-faq details p {
  margin: 0 0 16px;
  color: var(--muted);
}

/* CTA */

.g-cta {
  margin: 44px 0 0;
  text-align: center;
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  padding: 34px 22px;
  background:
    radial-gradient(90% 120% at 50% 0%, rgba(31, 215, 255, 0.09) 0%, rgba(2, 4, 5, 0) 60%),
    rgba(4, 8, 10, 0.6);
}

.g-cta h2 {
  margin-top: 0;
}

.g-cta p {
  color: var(--muted);
  max-width: 34em;
  margin: 10px auto 22px;
}

.g-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  background: linear-gradient(135deg, #3ee584, #1fc45f);
  color: #04240f;
  font-weight: 800;
  box-shadow: 0 12px 34px rgba(37, 211, 102, 0.3);
  transition: transform 0.18s ease;
}

.g-btn:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.g-btn--cyan {
  background: linear-gradient(135deg, #35e0ff, #1fb9e0);
  color: #04141a;
  box-shadow: 0 12px 34px rgba(31, 215, 255, 0.28);
}

/* tarjetas del índice */

.g-cards {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
}

.g-card {
  display: block;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  padding: 20px 22px;
  color: var(--ink);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.g-card:hover {
  transform: translateY(-2px);
  border-color: rgba(31, 215, 255, 0.55);
  text-decoration: none;
}

.g-card strong {
  display: block;
  font-family: "Unbounded", var(--cjk), sans-serif;
  font-weight: 650;
  font-size: 1rem;
  margin-bottom: 6px;
}

.g-card span {
  color: var(--muted);
  font-size: 0.92rem;
}

/* relacionadas + footer */

.g-related {
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
}

.g-related ul {
  padding-left: 18px;
}

.g-footer {
  border-top: 1px solid var(--line);
  margin-top: 50px;
  padding: 24px 20px 40px;
  text-align: center;
  font-size: 0.84rem;
  color: var(--muted-2);
}

.g-footer a {
  color: var(--muted);
  margin: 0 8px;
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }

  .g-header__inner nav {
    gap: 10px;
  }

  .g-table td:last-child {
    white-space: normal;
  }
}


/* ============================================================
   SELECTOR DE IDIOMA de las guias (HTML estatico: <details>, sin JS)
   ============================================================ */

.g-lang {
  position: relative;
  flex: none;
}

.g-lang summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  font-size: 0.8rem;
  line-height: 1;
  cursor: pointer;
  list-style: none;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

/* quita el triangulito nativo del <details> */
.g-lang summary::-webkit-details-marker {
  display: none;
}

.g-lang summary:hover,
.g-lang[open] summary {
  border-color: rgba(31, 215, 255, 0.55);
  background: rgba(31, 215, 255, 0.1);
  color: var(--cyan);
}

.g-lang svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
}

.g-lang > div {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 150px;
  padding: 6px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: #071013;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.55);
  display: flex;
  flex-direction: column;
  gap: 2px;
  z-index: 40;
}

.g-lang > div a {
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.84rem;
}

.g-lang > div a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
  text-decoration: none;
}

.g-lang > div a[aria-current="true"] {
  color: var(--cyan);
  font-weight: 600;
}

/* en el telefono el nav se aprieta, pero el selector NUNCA se esconde */
@media (max-width: 560px) {
  .g-header__inner {
    gap: 10px;
    padding: 10px 14px;
  }

  .g-header__inner nav {
    gap: 10px;
    font-size: 0.8rem;
  }

  .g-lang summary {
    padding: 6px 8px;
    font-size: 0.76rem;
  }
}