/* ============================================================
   ACADEMIA DE AVIACIÓN — Programa de Instrucción
   styles.css — Paleta Oficial Avalon Milsim (avalonmilsim.com)
   ============================================================ */

:root {
  color-scheme: dark;
  /* Variables nativas de avalonmilsim.com */
  --color-accent: #abd097;
  --color-accent-hover: #bdddaa;
  --color-accent-soft: #abd0971a;
  --color-accent-border: #abd09759;
  --color-bg: #101210;
  --color-depth: #0d0f0d;
  --color-surface: #161916;
  --color-surface-raised: #202720;
  --color-border: #303630;
  --color-border-strong: #4c544c;
  --color-text: #f2f2f2;
  --color-text-soft: #c0c4c0;
  --color-text-muted: #9da59d;

  /* Mapeo a las variables del tema de la Academia */
  --bg: var(--color-bg);                 /* #101210 */
  --bg-alt: var(--color-depth);          /* #0d0f0d */
  --bg-card: var(--color-surface);       /* #161916 */
  --panel: var(--color-surface-raised);  /* #202720 */
  --line: var(--color-border);           /* #303630 */
  --line-strong: var(--color-border-strong); /* #4c544c */
  --accent: var(--color-accent);         /* #abd097 */
  --accent-hover: var(--color-accent-hover); /* #bdddaa */
  --accent-2: #7fa66c;
  --text: var(--color-text);             /* #f2f2f2 */
  --text-soft: var(--color-text-soft);   /* #c0c4c0 */
  --text-dim: var(--color-text-muted);   /* #9da59d */
  --danger: #d9534f;
  --ok: #abd097;
  --heading-font: Arial, Helvetica, "Segoe UI", sans-serif;
  --body-font: Arial, Helvetica, "Segoe UI", sans-serif;
  --mono-font: "Consolas", "Courier New", monospace;
  --radius: 4px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

::selection {
  background: var(--accent);
  color: var(--bg-alt);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body-font);
  line-height: 1.65;
  min-height: 100vh;
}

img { max-width: 100%; display: block; border-radius: var(--radius); }

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-hover); }

/* ---------- Barra superior ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(180deg, rgba(13,15,13,.98), rgba(16,18,16,.94));
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  color: var(--text);
  font-family: var(--heading-font);
  font-weight: 800;
  letter-spacing: .08em;
  font-size: .95rem;
  text-transform: uppercase;
}

.brand .brand-mark {
  width: 34px; height: 34px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--accent);
  font-family: var(--heading-font);
  font-weight: 800;
  font-size: .8rem;
  background: radial-gradient(circle at 30% 30%, var(--panel), var(--bg-alt));
  flex: none;
}

.brand span { line-height: 1.2; }
.brand small { display: block; color: var(--text-dim); font-size: .62rem; letter-spacing: .2em; font-weight: 400; }

.nav { display: flex; align-items: center; gap: .2rem; }

.nav a {
  color: var(--text-soft);
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  padding: .55rem .7rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: color .2s, background .2s, border-color .2s;
}

.nav a:hover { color: var(--accent-hover); background: var(--color-accent-soft); }

.nav a.active {
  color: var(--accent);
  border-color: var(--color-accent-border);
  background: var(--color-accent-soft);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 1.2rem;
  padding: .35rem .7rem;
  border-radius: var(--radius);
  cursor: pointer;
}

/* ---------- Contenido ---------- */
.wrap { max-width: 1200px; margin: 0 auto; padding: 2.5rem 1.2rem 4rem; }

.hero {
  position: relative;
  text-align: center;
  padding: 4rem 1.2rem 3.5rem;
  border-bottom: 1px solid var(--line);
  background: radial-gradient(circle at 50% 20%, var(--panel) 0, var(--bg-card) 45%, var(--bg-alt) 85%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(13,15,13,.60), rgba(16,18,16,.92)),
    url("AVALONEAGLE.jpg") center 30%/cover no-repeat;
  z-index: 0;
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-family: var(--heading-font);
  font-weight: 800;
  font-size: clamp(1.9rem, 5vw, 3.2rem);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text);
  text-shadow: 0 2px 12px rgba(0,0,0,.85);
}

.hero .kicker {
  display: inline-block;
  color: var(--accent);
  letter-spacing: .35em;
  text-transform: uppercase;
  font-size: .75rem;
  font-weight: 800;
  margin-bottom: 1rem;
  border: 1px solid var(--color-accent-border);
  padding: .3rem .9rem;
  border-radius: 3px;
  background: rgba(13,15,13,.65);
}

.hero p {
  max-width: 720px;
  margin: 1rem auto 0;
  color: var(--text-soft);
  background: rgba(13,15,13,.65);
  padding: .8rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-accent-border);
}

/* ---------- Títulos de sección ---------- */
h2.section-title {
  font-family: var(--heading-font);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--accent);
  font-size: 1.35rem;
  margin: 0 0 1.4rem;
  padding-bottom: .5rem;
  border-bottom: 2px solid var(--line);
  position: relative;
}

h2.section-title::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 90px; height: 2px;
  background: var(--accent);
}

h3 {
  color: var(--text);
  font-family: var(--heading-font);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: 1.05rem;
  margin: 2rem 0 .8rem;
}

section.block { margin-bottom: 3.4rem; }

/* ---------- Cards ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.3rem;
}

.card {
  background: linear-gradient(180deg, var(--bg-card), var(--bg));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem;
  position: relative;
  transition: transform .2s, border-color .2s;
}

.card:hover { transform: translateY(-4px); border-color: var(--accent); }

.card .tag {
  display: inline-block;
  font-family: var(--mono-font);
  font-size: .72rem;
  font-weight: 700;
  color: var(--accent);
  border: 1px solid var(--color-accent-border);
  background: var(--color-accent-soft);
  padding: .15rem .55rem;
  border-radius: 3px;
  letter-spacing: .15em;
  margin-bottom: .8rem;
  text-transform: uppercase;
}

.card h4 {
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-size: 1rem;
  margin-bottom: .5rem;
}

.card p { color: var(--text-soft); font-size: .92rem; }
.card .more { display: inline-block; margin-top: .9rem; font-size: .85rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }

/* listas */
ul.tac-list { list-style: none; margin: .5rem 0 1rem; }
ul.tac-list li { padding-left: 1.4rem; position: relative; margin-bottom: .45rem; color: var(--text-soft); }
ul.tac-list li strong { color: var(--text); }
ul.tac-list li::before { content: "▸"; position: absolute; left: 0; color: var(--accent); }

ol.tac-ol { margin: .5rem 0 1rem 1.4rem; color: var(--text-soft); }
ol.tac-ol li { margin-bottom: .45rem; }

/* ---------- Panel / quote ---------- */
.doctrine {
  border-left: 4px solid var(--accent);
  background: var(--panel);
  padding: 1rem 1.3rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--text);
  margin: 1.4rem 0;
}

.doctrine cite { display: block; margin-top: .5rem; font-style: normal; color: var(--text-dim); font-size: .85rem; }

/* ---------- Tablas ---------- */
.table-wrap { overflow-x: auto; margin: 1.2rem 0; border: 1px solid var(--line); border-radius: var(--radius); }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
  min-width: 540px;
  background: var(--bg-alt);
}

thead th {
  background: var(--panel);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: .78rem;
  text-align: left;
  padding: .7rem .9rem;
  border-bottom: 2px solid var(--accent);
}

tbody td { padding: .6rem .9rem; border-bottom: 1px solid var(--line); vertical-align: top; color: var(--text-soft); }
tbody tr:hover { background: var(--color-accent-soft); }

td code, .radio {
  font-family: var(--mono-font);
  color: var(--accent-hover);
  background: var(--color-accent-soft);
  padding: .1rem .35rem;
  border-radius: 3px;
  font-size: .88em;
}

.radio { display: inline-block; border: 1px dashed var(--accent); padding: .45rem .7rem; margin: .25rem 0; }

/* ---------- Callout ---------- */
.callout {
  border: 1px solid var(--danger);
  background: rgba(217,83,79,.08);
  color: #f2c7c0;
  padding: .9rem 1.2rem;
  border-radius: var(--radius);
  margin: 1.2rem 0;
  font-size: .92rem;
}

.callout strong { color: #ff8f7e; text-transform: uppercase; letter-spacing: .08em; }

.callout.ok { border-color: var(--color-accent-border); background: var(--color-accent-soft); color: var(--text); }
.callout.ok strong { color: var(--accent); }

/* ---------- Instructores / perfil ---------- */
.profile {
  display: flex;
  gap: 1rem;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
}

.profile .avatar {
  width: 58px; height: 58px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  display: grid; place-items: center;
  font-family: var(--heading-font);
  font-weight: 800;
  color: var(--accent);
  font-size: 1.1rem;
  background: var(--bg-alt);
  flex: none;
}

.profile h4 { color: var(--text); letter-spacing: .05em; }
.profile small { color: var(--text-dim); }

/* ---------- Hero image split ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 3rem;
}

.split .split-img { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; position: relative; }

.split .split-img::after {
  content: attr(data-caption);
  position: absolute;
  left: 0; right: 0; bottom: 0;
  background: rgba(13,15,13,.85);
  color: var(--accent);
  font-family: var(--mono-font);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  padding: .5rem .8rem;
}

/* ---------- Paso numerado ---------- */
.steps { counter-reset: step; }
.step {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
  align-items: start;
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--heading-font);
  font-weight: 800;
  color: var(--accent);
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  width: 46px; height: 46px;
  display: grid; place-items: center;
  background: var(--bg-alt);
  font-size: 1rem;
}
.step .b strong { color: var(--text); }
.step .b p { color: var(--text-soft); font-size: .92rem; }

/* ---------- Juramento ---------- */
.oath {
  border: 1px solid var(--color-accent-border);
  border-radius: var(--radius);
  padding: 2rem;
  background:
    linear-gradient(180deg, var(--color-accent-soft), transparent),
    var(--bg-card);
  max-width: 860px;
  margin: 0 auto;
}

.oath p { white-space: pre-line; }

.oath h3 { margin-top: 1.4rem; color: var(--accent); }

/* ---------- Botones ---------- */
.btn {
  display: inline-block;
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: transparent;
  font-family: var(--heading-font);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
  padding: .75rem 1.4rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}

.btn:hover { border-color: var(--accent); color: var(--accent); background: var(--color-accent-soft); }

.btn.solid { background: var(--accent); color: var(--bg); border-color: var(--accent); }
.btn.solid:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--bg-alt); }

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--line);
  background: var(--bg-alt);
  padding: 2rem 1.2rem;
  text-align: center;
  color: var(--text-dim);
  font-size: .82rem;
}

footer .foot-nav { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem; margin-bottom: 1rem; }
footer .foot-nav a { text-transform: uppercase; letter-spacing: .12em; font-size: .72rem; }

/* ---------- Back to top ---------- */
#toTop {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  width: 44px; height: 44px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: rgba(13,15,13,.9);
  color: var(--accent);
  font-size: 1.1rem;
  cursor: pointer;
  display: none;
  z-index: 90;
}
#toTop.show { display: block; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Breadcrumb / meta ---------- */
.page-head { margin-bottom: 2.5rem; }
.page-head .kicker {
  display: inline-block;
  font-family: var(--mono-font);
  color: var(--accent);
  letter-spacing: .3em;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  border: 1px solid var(--color-accent-border);
  padding: .25rem .6rem;
  border-radius: 3px;
  margin-bottom: .7rem;
  background: var(--color-accent-soft);
}
.page-head h1 {
  font-family: var(--heading-font);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: var(--text);
}
.page-head .lead { color: var(--text-soft); max-width: 780px; margin-top: .8rem; }

/* ---------- Formularios (Formulario 781) ---------- */
.form-block {
  background: linear-gradient(180deg, var(--bg-card), var(--bg));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem;
  margin-bottom: 1.6rem;
}

.form-block legend {
  font-family: var(--heading-font);
  font-weight: 800;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: .92rem;
  padding: 0 .6rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: .9rem 1.2rem;
}

.form-grid label,
.f-label {
  display: block;
  font-size: .72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: .12em;
  margin-bottom: .3rem;
}

.f-neccesario::after { content: " *"; color: var(--danger); }

.form-grid input[type="text"],
.form-grid input[type="number"],
.form-grid input[type="date"],
.form-grid input[type="time"],
.form-grid input[type="datetime-local"],
.form-grid select,
.form-grid textarea {
  width: 100%;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  padding: .55rem .7rem;
  font-size: .92rem;
  font-family: var(--body-font);
}

.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-grid input::placeholder,
.form-grid textarea::placeholder { color: #5e665e; }

.form-row { grid-column: 1 / -1; }

.form-check { display: flex; align-items: center; gap: .5rem; font-size: .9rem; }
.form-check input[type="checkbox"] { accent-color: var(--accent); transform: scale(1.3); }

.form-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.4rem; }

.rows-box { border: 1px dashed var(--line); border-radius: var(--radius); padding: 1rem; margin-top: .8rem; }
.row-item {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: .8rem;
  padding: .8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--color-accent-soft);
  margin-bottom: .8rem;
  position: relative;
}
.row-item .remove-row {
  position: absolute;
  top: .5rem; right: .5rem;
}

.btn.small { font-size: .68rem; padding: .4rem .8rem; letter-spacing: .08em; }
.btn.danger { border-color: var(--danger); color: var(--danger); }
.btn.danger:hover { background: var(--danger); color: #fff; }

/* estado de aeronavegabilidad */
.estado-badge {
  display: inline-block;
  font-family: var(--mono-font);
  font-size: .75rem;
  letter-spacing: .12em;
  padding: .2rem .6rem;
  border-radius: 3px;
  border: 1px solid;
  text-transform: uppercase;
}
.estado-apta { color: var(--accent); border-color: var(--accent); }
.estado-limit { color: #e2c07d; border-color: #e2c07d; }
.estado-noapta { color: #ff8f7e; border-color: var(--danger); }
.estado-pend { color: var(--text-dim); border-color: var(--line); }

/* consultor de registros */
.reg-panel {
  border: 1px solid var(--color-accent-border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--color-accent-soft), transparent), var(--bg-card);
  padding: 1.6rem;
  margin-top: 1.6rem;
}
.reg-panel h4 { color: var(--accent); font-family: var(--heading-font); text-transform: uppercase; letter-spacing: .1em; margin: 1.2rem 0 .5rem; font-size: .9rem; border-bottom: 1px dashed var(--line); padding-bottom: .3rem; }
.reg-kv { display: grid; grid-template-columns: 240px 1fr; gap: .25rem 1rem; font-size: .9rem; }
.reg-kv dt { color: var(--text-dim); text-transform: uppercase; font-size: .7rem; letter-spacing: .1em; padding-top: .25rem; }
.reg-kv dd { margin: 0; }

.confirm-box {
  border: 1px solid var(--color-accent-border);
  background: var(--color-accent-soft);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  margin: 2rem 0;
}
.confirm-box .reg-id {
  font-family: var(--mono-font);
  color: var(--accent);
  font-size: 1.2rem;
  display: block;
  margin: .8rem 0 .2rem;
}

.external-link { display: inline-flex; align-items: center; gap: .4em; }

hr.divider {
  border: none;
  border-top: 1px dashed var(--line);
  margin: 2.4rem 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }

  .nav-toggle { display: block; }

  .nav {
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    padding: .6rem 0 .9rem;
  }

  .nav.open { display: flex; }

  .nav a { padding: .7rem .5rem; border-bottom: 1px solid var(--line); }

  .hero { padding: 3rem 1rem 2.5rem; text-align: left; }
}