/* =========================================================
   Guía de Estudio Mystery ACA · hoja de estilos
   Paleta basada en la identidad de ACA (rojo/azul) y acentos
   del manual Ipsos (amarillo grúa, teal).
   ========================================================= */

:root {
  --navy: #0e3b50;
  --navy-deep: #082635;
  --red: #dd222d;
  --red-dark: #b5181f;
  --yellow: #f7b500;
  --teal: #17b6ae;
  --gray-50: #f6f7f9;
  --gray-100: #eef0f3;
  --gray-200: #e2e5ea;
  --gray-300: #cdd3db;
  --gray-400: #9aa3af;
  --gray-600: #5b6470;
  --gray-700: #414954;
  --gray-800: #2b323c;
  --white: #ffffff;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow-sm: 0 1px 2px rgba(14, 59, 80, .06), 0 1px 1px rgba(14,59,80,.04);
  --shadow-md: 0 8px 24px rgba(14, 59, 80, .12);
  --shadow-lg: 0 20px 45px rgba(8, 38, 53, .18);
  --maxw: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--gray-800);
  background: var(--gray-50);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, .display {
  font-family: 'Oswald', 'Inter', sans-serif;
  text-transform: uppercase;
  letter-spacing: .02em;
  line-height: 1.15;
  color: var(--navy);
  margin: 0 0 .5em;
}
p { line-height: 1.65; margin: 0 0 1em; color: var(--gray-700); }
a { color: var(--red); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
ul, ol { line-height: 1.65; color: var(--gray-700); padding-left: 1.3em; }
li { margin-bottom: .35em; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  font-family: 'Oswald', sans-serif;
  text-transform: uppercase;
  letter-spacing: .04em;
  font-size: 14.5px;
  font-weight: 600;
  padding: 13px 26px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, background .15s ease;
}
.btn-primary { background: var(--red); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--red-dark); text-decoration: none; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-ghost { background: transparent; color: var(--navy); border: 1.5px solid var(--gray-300); }
.btn-ghost:hover { border-color: var(--navy); text-decoration: none; }
.btn-block { width: 100%; }
.btn-sm { padding: 9px 18px; font-size: 12.5px; }

/* ---------- Documentos (descargas) ---------- */
.docgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}
.doccard {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 20px 20px 18px;
  display: flex;
  flex-direction: column;
}
.doccard__badge {
  display: inline-flex;
  align-self: flex-start;
  font-family: 'Oswald';
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  padding: 3px 10px;
  border-radius: 6px;
  margin-bottom: 10px;
}
.doccard__badge--pdf { background: #fdecec; color: var(--red-dark); }
.doccard__badge--docx { background: #e7edf5; color: #2a4a86; }
.doccard h4 { font-size: 14.5px; margin: 0 0 6px; color: var(--navy); text-transform: none; letter-spacing: 0; font-family: 'Inter'; font-weight: 700; }
.doccard p { font-size: 12.8px; color: var(--gray-600); margin: 0 0 14px; flex: 1; }
.doccard__actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* =========================================================
   LOGIN
   ========================================================= */
.loginpage {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 62%, #123f56 100%);
}
.loginpage::before, .loginpage::after {
  content: "";
  position: absolute;
  width: 340px; height: 200px;
  transform: skewX(-25deg);
  opacity: .9;
}
.loginpage::before {
  background: var(--teal);
  top: -60px; right: 8%;
}
.loginpage::after {
  background: var(--yellow);
  bottom: -70px; left: 4%;
}
.login-card {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 420px;
  background: #fff;
  border-radius: 20px;
  padding: 40px 36px 32px;
  box-shadow: var(--shadow-lg);
  text-align: center;
}
.login-card__logo { width: 130px; margin: 0 auto 18px; }
.login-card h1 {
  font-size: 21px;
  margin-bottom: 4px;
}
.login-card .subtitle {
  font-family: 'Inter', sans-serif;
  text-transform: none;
  letter-spacing: 0;
  color: var(--gray-600);
  font-size: 14.5px;
  margin-bottom: 26px;
}
.login-card .subtitle strong { color: var(--red); }
.field {
  text-align: left;
  margin-bottom: 16px;
}
.field label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--gray-600);
  margin-bottom: 6px;
}
.field input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  background: var(--gray-50);
  transition: border-color .15s ease, background .15s ease;
}
.field input:focus {
  outline: none;
  border-color: var(--navy);
  background: #fff;
}
.alert {
  text-align: left;
  background: #fdecec;
  border: 1px solid #f3c3c3;
  color: #9c2020;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  margin-bottom: 18px;
}
.alert-info {
  background: #eaf6f5;
  border-color: #bfe6e3;
  color: #0f6a63;
}
.login-foot {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--gray-100);
  font-size: 12.5px;
  color: var(--gray-400);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.login-foot img { height: 16px; }

/* =========================================================
   TOPBAR / NAV
   ========================================================= */
.topbar {
  background: var(--navy);
  border-bottom: 3px solid var(--red);
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand__logo { height: 30px; width: auto; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__text strong {
  font-family: 'Oswald', sans-serif;
  color: #fff;
  font-size: 14.5px;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.brand__text small { color: #aebdc7; font-size: 11.5px; }

.mainnav { display: flex; align-items: center; gap: 2px; }
.mainnav a {
  color: #cfdbe2;
  font-size: 12.5px;
  font-weight: 600;
  padding: 9px 10px;
  border-radius: 999px;
  white-space: nowrap;
  transition: background .15s ease, color .15s ease;
}
.mainnav a:hover { color: #fff; background: rgba(255,255,255,.08); text-decoration: none; }
.mainnav a.is-active { color: var(--navy); background: #fff; }
.mainnav__user {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 6px;
  padding-left: 12px;
  border-left: 1px solid rgba(255,255,255,.18);
  color: #9fb0ba;
  font-size: 11.5px;
  white-space: nowrap;
}
.logout-link { color: var(--yellow) !important; font-weight: 700; }
.logout-link:hover { text-decoration: underline; }
.logout-link--muted { color: #cfdbe2 !important; font-weight: 600; }

.navtoggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.navtoggle span { width: 22px; height: 2px; background: #fff; border-radius: 2px; }

/* =========================================================
   HERO / PAGE HEADER
   ========================================================= */
.pagehero {
  background: linear-gradient(120deg, var(--navy-deep), var(--navy) 70%);
  color: #fff;
  padding: 46px 0 40px;
  position: relative;
  overflow: hidden;
}
.pagehero::after {
  content: "";
  position: absolute;
  right: -60px; top: -40px;
  width: 260px; height: 160px;
  background: var(--red);
  opacity: .85;
  transform: skewX(-22deg);
}
.pagehero__inner { position: relative; z-index: 2; }
.pagehero .kicker {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 10px;
}
.pagehero h1 { color: #fff; font-size: 30px; margin-bottom: 10px; max-width: 720px; }
.pagehero p.lead {
  color: #c6d5dd;
  max-width: 640px;
  font-size: 15.5px;
  margin-bottom: 0;
}

/* =========================================================
   LAYOUT / SECTIONS
   ========================================================= */
.section { padding: 44px 0; }
.section--tight { padding: 30px 0; }
.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}
.section-title .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-family: 'Oswald', sans-serif;
  font-size: 15px;
  flex: none;
}
.section-title h2 { margin: 0; font-size: 21px; }
.section-title .bar { flex: 1; height: 3px; background: var(--gray-200); border-radius: 3px; }

.card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
  padding: 22px 24px;
}

/* Home nav cards */
.navgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
}
.navcard {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.navcard:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); text-decoration: none; border-color: var(--gray-200); }
.navcard__icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 21px;
  background: var(--gray-50);
}
.navcard h3 { font-size: 16px; margin-bottom: 2px; color: var(--navy); }
.navcard p { font-size: 13.5px; color: var(--gray-600); margin: 0; }
.navcard__go { font-size: 12.5px; font-weight: 700; color: var(--red); text-transform: uppercase; letter-spacing: .03em; margin-top: auto; }

/* Stat strip */
.statstrip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin: 26px 0 6px;
}
.stat {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-left: 4px solid var(--red);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}
.stat b { display: block; font-family: 'Oswald'; font-size: 20px; color: var(--navy); }
.stat span { font-size: 12px; color: var(--gray-600); }

/* Generic 2-col / 3-col grids */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px,1fr)); gap: 14px; }

/* Colored info card w/ left rule (used for Remolque vs Puesta en marcha etc.) */
.rulecard {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px 22px;
  border-top: 4px solid var(--navy);
  box-shadow: var(--shadow-sm);
}
.rulecard.rc-red { border-top-color: var(--red); }
.rulecard.rc-yellow { border-top-color: var(--yellow); }
.rulecard.rc-teal { border-top-color: var(--teal); }
.rulecard h3 { font-size: 16px; margin-bottom: 8px; }
.rulecard h3 span.tag {
  display: inline-block;
  font-size: 10.5px;
  font-family: 'Inter';
  text-transform: uppercase;
  letter-spacing: .05em;
  font-weight: 700;
  color: #fff;
  background: var(--navy);
  padding: 3px 9px;
  border-radius: 999px;
  margin-bottom: 8px;
}
.rulecard.rc-red h3 span.tag { background: var(--red); }

/* Timeline (Ciclo de servicio) */
.timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px,1fr));
  gap: 14px;
  counter-reset: step;
}
.timeline__step {
  background: #fff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
  padding: 16px 16px 14px;
  position: relative;
}
.timeline__step .n {
  font-family: 'Oswald';
  font-size: 22px;
  color: var(--red);
  display: block;
}
.timeline__step h4 { font-size: 13.5px; margin: 4px 0 6px; }
.timeline__step p { font-size: 12.5px; margin: 0; color: var(--gray-600); }

/* Pills / badges */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--gray-100);
  color: var(--gray-700);
}
.pill-red { background: #fdecec; color: var(--red-dark); }
.pill-yellow { background: #fff5da; color: #8a6300; }
.pill-teal { background: #e6f8f6; color: #0f7a72; }
.pill-navy { background: #e7edf0; color: var(--navy); }

/* Table (franjas horarias, etc.) */
table.simple {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
table.simple th, table.simple td {
  text-align: left;
  padding: 11px 14px;
  font-size: 13.5px;
  border-bottom: 1px solid var(--gray-100);
}
table.simple th {
  background: var(--navy);
  color: #fff;
  font-family: 'Oswald';
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: .03em;
}
table.simple tr:last-child td { border-bottom: none; }

/* Alert / warning callouts (Normas de seguridad) */
.callout {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #fff5f5;
  border: 1px solid #f4d0d0;
  border-radius: var(--radius);
  padding: 16px 18px;
}
.callout__icon {
  flex: none;
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--red);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 19px;
  font-weight: 800;
}
.callout p { margin: 0; color: #7a2020; font-size: 14px; }
.callout ul { margin: 6px 0 0; color: #7a2020; }

/* Photo cards */
.photocard {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
}
.photocard img { width: 100%; height: 190px; object-fit: cover; }
.photocard.tall img { height: 260px; }
.photocard figcaption {
  padding: 12px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
}

/* =========================================================
   TABS (checklists page)
   ========================================================= */
.tabs { display: flex; gap: 8px; margin-bottom: 26px; flex-wrap: wrap; }
.tab-btn {
  font-family: 'Oswald';
  text-transform: uppercase;
  letter-spacing: .03em;
  font-size: 13.5px;
  font-weight: 600;
  padding: 11px 22px;
  border-radius: 999px;
  border: 1.5px solid var(--gray-200);
  background: #fff;
  color: var(--gray-600);
  cursor: pointer;
  transition: all .15s ease;
}
.tab-btn.is-active { background: var(--navy); border-color: var(--navy); color: #fff; }
.tab-panel { display: none; }
.tab-panel.is-active { display: block; }

/* Accordion (checklist blocks) */
.accordion { display: flex; flex-direction: column; gap: 10px; }
.acc-item {
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.acc-item__head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: 'Oswald';
  font-size: 14.5px;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: .015em;
}
.acc-item__head .ico {
  flex: none;
  width: 30px; height: 30px;
  border-radius: 8px;
  background: var(--gray-50);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
}
.acc-item__head .chev {
  margin-left: auto;
  transition: transform .2s ease;
  color: var(--gray-400);
  font-size: 13px;
}
.acc-item.is-open .acc-item__head .chev { transform: rotate(180deg); }
.acc-item__body { display: none; padding: 0 20px 18px 62px; }
.acc-item.is-open .acc-item__body { display: block; }

.checkpoint {
  padding: 11px 0;
  border-top: 1px solid var(--gray-100);
}
.checkpoint:first-child { border-top: none; padding-top: 0; }
.checkpoint__q { font-weight: 600; font-size: 13.8px; color: var(--gray-800); margin-bottom: 3px; }
.checkpoint__desc { font-size: 12.8px; color: var(--gray-600); margin-bottom: 5px; }
.checkpoint__opts { display: flex; gap: 6px; flex-wrap: wrap; }
.opt {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--gray-100);
  color: var(--gray-600);
}

.situacion {
  background: #fff;
  border-left: 3px solid var(--yellow);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  box-shadow: var(--shadow-sm);
  padding: 13px 16px;
  margin-bottom: 10px;
  font-size: 13.6px;
  color: var(--gray-700);
}
.situacion b { color: var(--navy); }

/* =========================================================
   FOOTER
   ========================================================= */
.sitefooter {
  background: var(--navy-deep);
  color: #9fb0ba;
  margin-top: 50px;
}
.sitefooter__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 34px 24px 30px;
  text-align: center;
}
.sitefooter__brand { display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: 10px; }
.sitefooter__logo { height: 22px; }
.sitefooter__brand span { font-family: 'Oswald'; text-transform: uppercase; letter-spacing: .05em; font-size: 13px; color: #fff; }
.sitefooter__note { max-width: 520px; margin: 0 auto 16px; font-size: 12.5px; color: #7d909c; }
.sitefooter__ipsos { display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 12px; color: #7d909c; }
.sitefooter__ipsos img { height: 18px; background: #fff; padding: 3px 6px; border-radius: 5px; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 860px) {
  .navtoggle { display: flex; }
  .mainnav {
    position: absolute;
    top: 66px; left: 0; right: 0;
    background: var(--navy);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 20px 18px;
    display: none;
    border-bottom: 3px solid var(--red);
  }
  .mainnav.is-open { display: flex; }
  .mainnav a { padding: 12px 6px; }
  .mainnav__user { margin: 8px 0 0; padding: 12px 0 0; border-left: none; border-top: 1px solid rgba(255,255,255,.15); justify-content: space-between; }
  .pagehero h1 { font-size: 24px; }
  .acc-item__body { padding-left: 20px; }
}
@media (max-width: 520px) {
  .login-card { padding: 30px 22px 26px; }
}

/* ---------- Registro / cuenta / admin (agregado) ---------- */
.alert-ok { background: #eaf6f5; border-color: #bfe6e3; color: #0f6a63; }
.login-card--wide { max-width: 560px; text-align: left; }
.login-card--wide h1, .login-card--wide .subtitle { text-align: center; }
.login-card--wide .grid-2 { grid-template-columns: 1fr 1fr; gap: 0 16px; }
.login-register-cta { margin-top: 4px; font-size: 13.5px; color: var(--gray-600); text-align: center; }
.field-hint { margin-top: -10px; margin-bottom: 14px; font-size: 12px; color: var(--gray-500); }
.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); }
table.table-users { min-width: 900px; }
table.table-users th, table.table-users td { white-space: nowrap; font-size: 13px; }
table.table-users form { margin: 0; }

@media (max-width: 640px) {
  .login-card--wide .grid-2 { grid-template-columns: 1fr; }
}