/* Causario — portada (2026-09).
 * Los tokens, el reset y el enlace de salto viven en publico.css, que la
 * plantilla carga antes que esta hoja; aquí sólo va lo propio de la portada.
 * Estructura: hero oscuro a sangre, cifras, tres piezas con foto, cómo
 * funciona, cierre con el formulario de solicitud de invitación.
 */

:root {
  --success: #266a4c;
  --success-soft: #edf7f1;
  --ancho: 1240px;
}

/* --- Hero ---------------------------------------------------------------- */

.landing-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: #eef1f7;
}

.landing-hero-foto,
.landing-hero-velo {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.landing-hero-foto {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  filter: grayscale(1) contrast(1.08);
}

.landing-hero-velo {
  background:
    radial-gradient(90% 70% at 78% 6%, rgb(49 94 251 / 26%) 0%, rgb(13 20 33 / 0) 58%),
    linear-gradient(100deg, rgb(13 20 33 / 96%) 0%, rgb(13 20 33 / 86%) 42%, rgb(13 20 33 / 62%) 100%);
}

.landing-topbar,
.landing-hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--ancho);
  margin: 0 auto;
}

.landing-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 44px;
  border-bottom: 1px solid rgb(255 255 255 / 8%);
}

.landing-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  text-decoration: none;
}

.landing-brand-mark { display: grid; flex: 0 0 auto; width: 30px; height: 30px; }
.landing-brand-mark svg { display: block; width: 100%; height: 100%; }
.landing-brand-mark svg path { fill: #f2f5fa; }
.landing-brand-accent { fill: var(--authority-on-dark) !important; }
.landing-brand-stroke { stroke: var(--authority-on-dark); }

.landing-brand strong { font-size: 16px; font-weight: 620; letter-spacing: -.025em; }

.landing-nav { display: flex; align-items: center; gap: 26px; font-size: 13.5px; }
.landing-nav a { color: rgb(238 241 247 / 66%); text-decoration: none; }
.landing-nav a:hover { color: #fff; }

.landing-nav .landing-nav-cta {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 15px;
  border: 1px solid rgb(255 255 255 / 22%);
  border-radius: 8px;
  color: #fff;
  font-weight: 600;
}

.landing-nav .landing-nav-cta:hover { background: rgb(255 255 255 / 10%); }

.landing-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  align-items: center;
  gap: 60px;
  padding: 80px 44px 92px;
}

.landing-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px 5px 8px;
  border: 1px solid rgb(255 255 255 / 16%);
  border-radius: 999px;
  color: rgb(238 241 247 / 72%);
  font-size: 12.5px;
}

.landing-eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--authority-on-dark);
}

.landing-hero-copy { display: grid; gap: 20px; justify-items: start; }

.landing-hero-copy h1 {
  margin: 0;
  font-size: clamp(38px, 4.4vw, 62px);
  font-weight: 560;
  letter-spacing: -.035em;
  line-height: 1.03;
  color: #fff;
  text-wrap: balance;
}

.landing-hero-copy p {
  max-width: 46ch;
  margin: 0;
  color: rgb(238 241 247 / 72%);
  font-size: 17px;
  line-height: 1.6;
  text-wrap: pretty;
}

.landing-acciones { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }

.landing-boton,
.landing-boton-secundario {
  display: inline-flex;
  align-items: center;
  height: 46px;
  padding: 0 24px;
  border-radius: 10px;
  font-size: 14.5px;
  font-weight: 640;
  text-decoration: none;
}

.landing-boton { border: 1px solid #fff; background: #fff; color: var(--ink); }
.landing-boton:hover { background: #dfe5f0; color: var(--ink); }

.landing-boton-secundario {
  border: 1px solid rgb(255 255 255 / 22%);
  color: #fff;
  font-weight: 600;
}

.landing-boton-secundario:hover { background: rgb(255 255 255 / 8%); color: #fff; }

/* --- Vista previa del buscador -------------------------------------------- */

.landing-mock {
  border: 1px solid rgb(255 255 255 / 12%);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 40px 90px -40px rgb(0 0 0 / 70%);
  overflow: hidden;
  color: var(--text);
}

.landing-mock-barra {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11.5px;
}

.landing-mock-puntos { display: flex; gap: 5px; }
.landing-mock-puntos span { width: 9px; height: 9px; border-radius: 50%; background: #d8dee9; }

.landing-mock-cuerpo { display: grid; gap: 16px; padding: 20px; }

.landing-mock-busqueda {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  box-shadow: 0 0 0 4px rgb(13 20 33 / 8%);
  font-size: 14.5px;
}

.landing-mock-chips { display: flex; flex-wrap: wrap; gap: 7px; }

.landing-mock-chips span {
  padding: 5px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12.5px;
}

.landing-mock-chips .aplicado {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
  font-weight: 560;
}

.landing-mock-fallo {
  display: grid;
  gap: 7px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.landing-mock-fallo header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
}

.landing-mock-fallo strong { font-size: 14.5px; font-weight: 640; }

.landing-mock-fallo .citas {
  color: var(--authority);
  font-size: 12.5px;
  font-weight: 650;
  white-space: nowrap;
}

.landing-mock-fallo p {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-serif);
  font-size: 13.5px;
  line-height: 1.6;
}

/* --- Cifras del corpus ---------------------------------------------------- */

.landing-cifras {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px 32px;
  max-width: var(--ancho);
  margin: 0 auto;
  padding: 38px 44px;
  border-bottom: 1px solid var(--line);
}

.landing-cifras div { display: flex; align-items: baseline; gap: 10px; }

.landing-cifras strong {
  flex: 0 0 auto;
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -.03em;
  white-space: nowrap;
}

.landing-cifras span { color: var(--muted); font-size: 13px; }

/* --- Tres piezas ---------------------------------------------------------- */

.landing-piezas { padding: 80px 44px 84px; background: var(--ink); color: #eef1f7; }

.landing-piezas-inner { display: grid; gap: 32px; max-width: var(--ancho); margin: 0 auto; }

.landing-piezas-inner > h2 {
  margin: 0;
  font-size: clamp(27px, 2.9vw, 38px);
  font-weight: 560;
  letter-spacing: -.03em;
  color: #fff;
}

.landing-piezas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.landing-pieza {
  position: relative;
  display: grid;
  overflow: hidden;
  min-height: 420px;
  border: 1px solid rgb(255 255 255 / 10%);
  border-radius: 14px;
  background: var(--ink);
}

.landing-pieza img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .46;
  filter: grayscale(1) contrast(1.06);
}

.landing-pieza::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(to top, rgb(13 20 33 / 96%) 12%, rgb(13 20 33 / 62%) 52%, rgb(13 20 33 / 18%) 100%);
}

.landing-pieza-copy {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: end;
  gap: 10px;
  padding: 28px;
}

.landing-pieza-copy h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 620;
  letter-spacing: -.02em;
  color: #fff;
}

.landing-pieza-copy p {
  margin: 0;
  color: rgb(238 241 247 / 74%);
  font-size: 14.5px;
  line-height: 1.6;
}

.landing-pieza-copy em {
  color: var(--authority-on-dark);
  font-style: normal;
  font-weight: 600;
}

/* --- Cómo funciona -------------------------------------------------------- */

.landing-pasos {
  display: grid;
  grid-template-columns: clamp(150px, 19%, 260px) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  max-width: var(--ancho);
  margin: 0 auto;
  padding: 76px 44px 80px;
}

.landing-pasos h2 {
  margin: 0;
  font-size: 28px;
  font-weight: 560;
  letter-spacing: -.03em;
  line-height: 1.15;
}

.landing-pasos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 28px;
}

.landing-paso { display: grid; align-content: start; gap: 9px; }

.landing-paso span {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}

.landing-paso h3 { margin: 0; font-size: 15.5px; font-weight: 620; letter-spacing: -.015em; }
.landing-paso p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }

/* --- Cierre con solicitud de invitación ----------------------------------- */

.landing-cierre { position: relative; overflow: hidden; background: var(--ink); }

.landing-cierre img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .32;
  filter: grayscale(1) contrast(1.06);
}

.landing-cierre::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(90deg, rgb(13 20 33 / 95%) 0%, rgb(13 20 33 / 72%) 70%, rgb(13 20 33 / 56%) 100%);
}

.landing-cierre-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 24px;
  justify-items: start;
  max-width: var(--ancho);
  margin: 0 auto;
  padding: 88px 44px 92px;
  color: rgb(238 241 247 / 74%);
}

.landing-cierre-inner h2 {
  margin: 0;
  max-width: 24ch;
  font-size: clamp(29px, 3.2vw, 44px);
  font-weight: 560;
  letter-spacing: -.032em;
  line-height: 1.06;
  color: #fff;
}

.landing-cierre-inner p { margin: 0; max-width: 52ch; font-size: 16px; line-height: 1.6; }

.landing-form { display: grid; gap: 8px; width: min(100%, 520px); }

.landing-form label { color: rgb(238 241 247 / 78%); font-size: 13px; font-weight: 620; }

.landing-form-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; }

.landing-form input {
  width: 100%;
  min-width: 0;
  min-height: 48px;
  padding: 10px 14px;
  border: 1px solid rgb(255 255 255 / 24%);
  border-radius: 10px;
  outline: 0;
  background: rgb(255 255 255 / 8%);
  color: #fff;
  transition: border-color .16s ease, box-shadow .16s ease;
}

.landing-form input::placeholder { color: rgb(238 241 247 / 46%); }
.landing-form input:hover { border-color: rgb(255 255 255 / 38%); }

.landing-form input:focus {
  border-color: #fff;
  box-shadow: 0 0 0 4px rgb(255 255 255 / 14%);
}

.landing-form input[aria-invalid="true"] { border-color: #f0a9a2; }

.landing-form button {
  min-height: 48px;
  padding: 10px 22px;
  border: 1px solid #fff;
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-weight: 640;
  white-space: nowrap;
  transition: background-color .16s ease, transform .16s ease;
}

.landing-form button:hover { background: #dfe5f0; }
.landing-form button:active { transform: translateY(1px); }

.landing-form-nota { color: rgb(238 241 247 / 60%); font-size: 12.5px; }

.landing-login-link { margin: 0; color: rgb(238 241 247 / 70%); font-size: 14px; }
.landing-login-link a { color: #fff; font-weight: 620; text-decoration: underline; }

.landing-message {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  align-items: start;
  gap: 9px;
  width: min(100%, 520px);
  padding: 12px 13px;
  border: 1px solid;
  border-radius: 10px;
  font-size: 14px;
}

.landing-message svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.landing-message-success { border-color: #bfdfcd; background: var(--success-soft); color: var(--success); }
.landing-message-error { border-color: #f0c9c5; background: var(--danger-soft); color: var(--danger); }

/* --- Pie ----------------------------------------------------------------- */

.landing-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: var(--ancho);
  margin: 0 auto;
  padding: 24px 44px 30px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.landing-footer nav { display: flex; gap: 20px; }
.landing-footer a { color: var(--muted); text-decoration: none; }
.landing-footer a:hover { color: var(--text); }

.landing-hero :focus-visible,
.landing-cierre :focus-visible { outline-color: rgb(255 255 255 / 45%); }

/* --- Adaptación ---------------------------------------------------------- */

@media (max-width: 1000px) {
  .landing-hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 56px 24px 64px; }
  .landing-topbar { padding: 16px 24px; }
  .landing-nav { gap: 16px; }
  .landing-nav a:not(.landing-nav-cta) { display: none; }
  .landing-cifras,
  .landing-footer { padding-left: 24px; padding-right: 24px; }
  .landing-piezas { padding: 56px 24px 60px; }
  .landing-pasos { grid-template-columns: 1fr; gap: 24px; padding: 56px 24px 60px; }
  .landing-cierre-inner { padding: 64px 24px 68px; }
}

@media (max-width: 560px) {
  .landing-form-row { grid-template-columns: 1fr; }
  .landing-form button { width: 100%; }
  .landing-pieza { min-height: 320px; }
}