/* ============================================================
   Alas Doradas Training Center — hoja de estilos única
   Paleta tomada del logotipo institucional:
     oro   #E9C63A · carbón #23262B · humo #F5F6F8
   ============================================================ */

:root {
  --oro: #e9c63a;
  --oro-osc: #c9a516;
  --carbon: #23262b;
  --carbon-2: #2e3239;
  --carbon-3: #3a3f47;
  --humo: #f5f6f8;
  --gris: #6b7280;
  --gris-cl: #d8dbe0;
  --blanco: #ffffff;
  --ok: #1f9d55;
  --ok-bg: #e6f4ec;
  --mal: #c0392b;
  --mal-bg: #fbeaE8;
  --aviso: #b8860b;
  --aviso-bg: #fdf6e3;

  --radio: 10px;
  --radio-lg: 16px;
  --sombra: 0 1px 2px rgba(16, 18, 22, .06), 0 8px 24px rgba(16, 18, 22, .08);
  --sombra-alta: 0 2px 4px rgba(16, 18, 22, .08), 0 16px 40px rgba(16, 18, 22, .14);
  --ancho: 1140px;
  --fuente: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Mono", Consolas, "SF Mono", "Roboto Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--fuente);
  font-size: 16px;
  line-height: 1.65;
  color: var(--carbon);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--carbon); text-decoration: none; }
a:hover { color: var(--oro-osc); }

h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.1rem); }
h3 { font-size: 1.15rem; }
p  { margin: 0 0 1rem; }

.contenedor { width: 100%; max-width: var(--ancho); margin: 0 auto; padding: 0 20px; }

/* ---------- utilidades ---------- */
.centro       { text-align: center; }
.mono         { font-family: var(--mono); }
.silencio     { color: var(--gris); }
.pequeno      { font-size: .875rem; }
.oculto       { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- cabecera ---------- */
.cabecera {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e7e9ed;
}
.cabecera__fila {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 72px;
}
.marca { display: flex; align-items: center; gap: 12px; }
.marca img { width: 56px; height: 56px; object-fit: contain; }
.marca__texto { display: flex; flex-direction: column; line-height: 1.15; }
.marca__nombre { font-weight: 800; letter-spacing: .06em; font-size: .95rem; text-transform: uppercase; }
.marca__sub { font-size: .7rem; letter-spacing: .18em; color: var(--gris); text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  padding: 8px 12px; border-radius: var(--radio);
  font-size: .92rem; font-weight: 600; color: var(--carbon-2);
}
.nav a:hover { background: var(--humo); color: var(--carbon); }
.nav a.activo { color: var(--oro-osc); }

.nav__boton {
  display: none; background: none; border: 1px solid #e7e9ed;
  border-radius: var(--radio); padding: 8px 12px; cursor: pointer; font-size: 1.1rem;
}

/* ---------- botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--radio); border: 1px solid transparent;
  font-weight: 700; font-size: .95rem; cursor: pointer; transition: .15s ease;
  font-family: inherit;
}
.btn--oro { background: var(--oro); color: var(--carbon); }
.btn--oro:hover { background: var(--oro-osc); color: var(--carbon); }
.btn--linea { border-color: rgba(255, 255, 255, .35); color: var(--blanco); }
.btn--linea:hover { background: rgba(255, 255, 255, .1); color: var(--blanco); }
.btn--oscuro { background: var(--carbon); color: var(--blanco); }
.btn--oscuro:hover { background: var(--carbon-2); color: var(--blanco); }
.btn--suave { background: var(--humo); color: var(--carbon); border-color: #e7e9ed; }
.btn--suave:hover { background: #eceef2; }

/* ---------- portada ---------- */
.portada {
  position: relative; color: var(--blanco);
  background:
    radial-gradient(1000px 480px at 78% -10%, rgba(233, 198, 58, .22), transparent 62%),
    linear-gradient(160deg, #1b1e22 0%, var(--carbon) 55%, #191c20 100%);
  padding: 84px 0 96px;
  overflow: hidden;
}
.portada::after {
  content: ""; position: absolute; inset: auto 0 -1px 0; height: 4px;
  background: linear-gradient(90deg, transparent, var(--oro), transparent);
}
.portada__rejilla { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.portada h1 { color: var(--blanco); margin-bottom: .35em; }
.portada h1 span { color: var(--oro); }
.portada p { color: var(--gris-cl); font-size: 1.06rem; max-width: 56ch; }
.portada__acciones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.portada__emblema {
  background: var(--blanco); border-radius: 24px; padding: 28px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .35);
}

.etiqueta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  background: rgba(233, 198, 58, .14); border: 1px solid rgba(233, 198, 58, .35);
  color: var(--oro); font-size: .78rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; margin-bottom: 20px;
}

.cifras {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radio-lg); overflow: hidden; margin-top: 56px;
}
.cifra { background: rgba(255, 255, 255, .04); padding: 22px 18px; text-align: center; }
.cifra__valor { font-size: 1.9rem; font-weight: 800; color: var(--oro); line-height: 1.1; }
.cifra__texto { font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--gris-cl); }

/* ---------- secciones ---------- */
.seccion { padding: 76px 0; }
.seccion--humo { background: var(--humo); }
.seccion--oscura { background: var(--carbon); color: var(--blanco); }
.seccion--oscura h2 { color: var(--blanco); }
.seccion--oscura p { color: var(--gris-cl); }

.titulo { max-width: 62ch; margin-bottom: 44px; }
.titulo--centro { margin-left: auto; margin-right: auto; text-align: center; }
.titulo__ojo {
  font-size: .78rem; font-weight: 800; letter-spacing: .16em;
  text-transform: uppercase; color: var(--oro-osc); margin-bottom: 10px;
}
.seccion--oscura .titulo__ojo { color: var(--oro); }

/* ---------- tarjetas ---------- */
.rejilla { display: grid; gap: 24px; }
.rejilla--2 { grid-template-columns: repeat(2, 1fr); }
.rejilla--3 { grid-template-columns: repeat(3, 1fr); }
.rejilla--4 { grid-template-columns: repeat(4, 1fr); }

.tarjeta {
  background: var(--blanco); border: 1px solid #e7e9ed;
  border-radius: var(--radio-lg); padding: 28px; box-shadow: var(--sombra);
}
.tarjeta--plana { box-shadow: none; }

.curso { display: flex; flex-direction: column; transition: .18s ease; }
.curso:hover { transform: translateY(-3px); box-shadow: var(--sombra-alta); }
.curso__cabecera {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; padding-bottom: 14px; border-bottom: 2px solid var(--oro); margin-bottom: 18px;
}
.curso__sigla {
  font-family: var(--mono); font-size: .8rem; font-weight: 700;
  background: var(--carbon); color: var(--oro); padding: 4px 10px; border-radius: 6px;
}
.curso__cifra { font-size: 1.6rem; font-weight: 800; }
.curso__cifra small { font-size: .8rem; font-weight: 600; color: var(--gris); }
.materias { list-style: none; margin: 0; padding: 0; font-size: .9rem; }
.materias li {
  display: flex; justify-content: space-between; gap: 10px;
  padding: 7px 0; border-bottom: 1px dashed #e7e9ed;
}
.materias li:last-child { border-bottom: 0; }
.materias .letra {
  display: inline-block; width: 20px; font-weight: 800; color: var(--oro-osc);
  font-family: var(--mono);
}

/* ---------- datos de contacto ---------- */
.dato { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 22px; }
.dato__icono {
  flex: 0 0 auto; width: 40px; height: 40px; border-radius: 10px;
  background: var(--humo); display: grid; place-items: center; font-size: 1.1rem;
}
.dato__titulo { font-weight: 700; font-size: .9rem; margin-bottom: 2px; }
.dato__valor { color: var(--gris); font-size: .92rem; }

/* ---------- pie ---------- */
.pie { background: #191c20; color: var(--gris-cl); padding: 52px 0 24px; font-size: .9rem; }
.pie h4 { color: var(--blanco); font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; }
.pie a { color: var(--gris-cl); }
.pie a:hover { color: var(--oro); }
.pie ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.pie__base {
  margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .1);
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
  font-size: .82rem; color: #8b9099;
}

/* ============================================================
   Módulo de certificados
   ============================================================ */
.franja {
  background:
    radial-gradient(800px 380px at 82% -30%, rgba(233, 198, 58, .18), transparent 60%),
    linear-gradient(160deg, #1b1e22, var(--carbon));
  color: var(--blanco); padding: 56px 0;
}
.franja h1 { color: var(--blanco); font-size: clamp(1.7rem, 4vw, 2.5rem); }
.franja p { color: var(--gris-cl); max-width: 62ch; }

.migas { font-size: .82rem; color: #9aa0a8; margin-bottom: 14px; }
.migas a { color: var(--oro); }
.migas span { margin: 0 6px; }

.buscador {
  background: var(--blanco); border: 1px solid #e7e9ed; border-radius: var(--radio-lg);
  box-shadow: var(--sombra-alta); padding: 32px; max-width: 720px; margin: -46px auto 0;
  position: relative; z-index: 2;
}
.buscador__campos { display: flex; gap: 12px; flex-wrap: wrap; }
.campo { flex: 1 1 320px; }
.campo label { display: block; font-size: .82rem; font-weight: 700; margin-bottom: 6px; }
.campo input {
  width: 100%; padding: 13px 15px; border: 1px solid #d8dbe0; border-radius: var(--radio);
  font-size: 1rem; font-family: var(--mono); letter-spacing: .04em; background: var(--blanco);
  color: var(--carbon);
}
.campo input:focus { outline: 2px solid var(--oro); outline-offset: 1px; border-color: var(--oro); }
.pista { font-size: .8rem; color: var(--gris); margin-top: 10px; }
.pista code {
  background: var(--humo); padding: 2px 7px; border-radius: 5px;
  font-family: var(--mono); cursor: pointer; border: 1px solid #e7e9ed;
}
.pista code:hover { background: #eceef2; }

.aviso {
  border-radius: var(--radio); padding: 14px 16px; font-size: .92rem;
  margin-top: 18px; border: 1px solid transparent;
}
.aviso--error { background: var(--mal-bg); border-color: #f1c9c4; color: var(--mal); }
.aviso--info  { background: var(--aviso-bg); border-color: #ecdcb0; color: var(--aviso); }

/* --- ficha del estudiante --- */
.columna { max-width: 720px; margin: 0 auto; }

.verificacion {
  background: var(--blanco); border: 1px solid #e7e9ed; border-radius: var(--radio-lg);
  box-shadow: var(--sombra-alta); padding: 36px 32px 32px; margin-bottom: 24px;
  text-align: center;
}
.verificacion__sello {
  display: inline-flex; align-items: center; gap: 7px; margin-bottom: 22px;
  padding: 6px 16px; border-radius: 999px; background: var(--ok-bg); color: var(--ok);
  font-size: .76rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
}
.verificacion__sello::before { content: "✓"; font-size: .95rem; }
.verificacion h2 { font-size: 1.5rem; margin-bottom: 4px; }
.verificacion .resumen { margin: 26px 0 18px; }
.verificacion__codigo {
  font-family: var(--mono); font-size: .82rem; letter-spacing: .06em;
  color: var(--gris); margin: 0;
}

.avatar {
  width: 84px; height: 84px; border-radius: 50%; margin: 0 auto 16px;
  background: linear-gradient(145deg, var(--oro), var(--oro-osc));
  color: var(--carbon); display: grid; place-items: center;
  font-size: 1.7rem; font-weight: 800; letter-spacing: .02em;
}
.insignia {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px;
  border-radius: 999px; font-size: .76rem; font-weight: 800;
  letter-spacing: .06em; text-transform: uppercase;
}
.insignia--ok  { background: var(--ok-bg);  color: var(--ok); }
.insignia--mal { background: var(--mal-bg); color: var(--mal); }
.insignia--curso { background: var(--humo); color: var(--carbon-2); }

.lista-datos { list-style: none; margin: 20px 0 0; padding: 0; font-size: .9rem; }
.lista-datos li { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px solid #eef0f3; }
.lista-datos li:last-child { border-bottom: 0; }
.lista-datos dt, .lista-datos .k { color: var(--gris); }
.lista-datos .v { font-weight: 600; text-align: right; }

.panel {
  background: var(--blanco); border: 1px solid #e7e9ed;
  border-radius: var(--radio-lg); box-shadow: var(--sombra);
  padding: 26px 28px; margin-bottom: 24px;
}
.panel__titulo {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 18px;
}
.panel__titulo h2, .panel__titulo h3 { margin: 0; font-size: 1.1rem; }

.tabla-envoltura { overflow-x: auto; }
table.notas { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 560px; }
table.notas th, table.notas td { padding: 11px 12px; text-align: left; border-bottom: 1px solid #eef0f3; }
table.notas thead th {
  font-size: .74rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--gris); background: var(--humo); border-bottom: 1px solid #e7e9ed;
}
table.notas tbody tr:hover { background: #fbfbfc; }
table.notas .num { text-align: right; font-family: var(--mono); }
table.notas .letra-mod { font-family: var(--mono); font-weight: 800; color: var(--oro-osc); width: 34px; }
table.notas tfoot td {
  font-weight: 800; background: var(--humo); border-top: 2px solid var(--carbon); border-bottom: 0;
}
.nota-ok  { color: var(--ok);  font-weight: 700; }
.nota-mal { color: var(--mal); font-weight: 700; }

.barra { height: 6px; background: #eef0f3; border-radius: 999px; overflow: hidden; min-width: 90px; }
.barra span { display: block; height: 100%; background: var(--oro); border-radius: 999px; }

.resumen { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 24px; }
.resumen__item {
  background: var(--blanco); border: 1px solid #e7e9ed; border-radius: var(--radio-lg);
  padding: 20px; text-align: center; box-shadow: var(--sombra);
}
.resumen__valor { font-size: 1.8rem; font-weight: 800; line-height: 1.15; }
.resumen__texto { font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; color: var(--gris); }

.sello {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--humo); border: 1px dashed #cfd3da;
  border-radius: var(--radio); padding: 16px; font-size: .86rem; color: var(--gris);
}
.sello strong { color: var(--carbon); }

.firmas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 8px; }
.firma { text-align: center; font-size: .84rem; }
.firma__linea { border-top: 1px solid var(--carbon-3); margin: 34px 12px 8px; }
.firma__cargo { color: var(--gris); font-size: .78rem; }

/* ---------- impresión ---------- */
@media print {
  .cabecera, .pie, .no-imprimir, .franja { display: none !important; }
  body { background: #fff; }
  .panel, .verificacion { box-shadow: none; border-color: #ccc; break-inside: avoid; }
}

/* ---------- adaptable ---------- */
@media (max-width: 980px) {
  .portada__rejilla { grid-template-columns: 1fr; }
  .portada__emblema { max-width: 340px; margin: 0 auto; }
  .rejilla--3, .rejilla--4 { grid-template-columns: repeat(2, 1fr); }
  .cifras { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .nav__boton { display: block; }
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--blanco); border-bottom: 1px solid #e7e9ed; padding: 10px 20px 16px;
  }
  .nav.abierta { display: flex; }
  .nav .btn { margin-top: 8px; }
  .rejilla--2, .rejilla--3, .rejilla--4 { grid-template-columns: 1fr; }
  .resumen, .firmas { grid-template-columns: 1fr; }
  .seccion { padding: 52px 0; }
  .buscador { padding: 22px; margin-top: -30px; }
}