/* ============================================================
   AESA UAS · Tramitador de Autorizaciones Operacionales
   Estilo: editorial técnico / blueprint aeronáutico
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,600;9..144,800&family=JetBrains+Mono:wght@400;500;700&family=Inter+Tight:wght@400;500;600;700&display=swap');

:root {
  --ink:        #0a1628;
  --ink-soft:   #1c2a44;
  --paper:      #f5f1e8;
  --paper-pure: #fbf8f0;
  --rule:       #cdbfa3;
  --accent:     #c8341e;       /* rojo bandera */
  --accent-2:   #d4a017;       /* dorado */
  --ok:         #2d6a4f;
  --warn:       #b08900;
  --shadow:     0 1px 0 #cdbfa3, 0 4px 18px rgba(10,22,40,.08);
  --serif:      'Fraunces', 'Times New Roman', serif;
  --mono:       'JetBrains Mono', monospace;
  --sans:       'Inter Tight', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  font-size: 16px;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(10,22,40,.05) 1px, transparent 0);
  background-size: 24px 24px;
}

/* ---------- TOP BAR ---------- */
.topbar {
  background: var(--ink);
  color: var(--paper);
  padding: 10px 24px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--accent-2);
}
.topbar .live::before {
  content: '●';
  color: #6ce39a;
  margin-right: 6px;
  animation: blink 2.4s infinite;
}
@keyframes blink { 50% { opacity: .35; } }

/* ---------- HERO ---------- */
.hero {
  padding: 80px 24px 60px;
  max-width: 1280px;
  margin: 0 auto;
  border-bottom: 1px solid var(--rule);
  position: relative;
}
.hero .stamp {
  position: absolute;
  top: 32px;
  right: 32px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  border: 1.5px solid var(--accent);
  padding: 6px 12px;
  text-transform: uppercase;
  letter-spacing: .15em;
  transform: rotate(3deg);
  background: var(--paper-pure);
}
.hero .kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(48px, 7vw, 96px);
  line-height: .95;
  letter-spacing: -.02em;
  font-variation-settings: "opsz" 120;
  max-width: 920px;
}
.hero h1 em {
  font-style: italic;
  color: var(--accent);
  font-variation-settings: "opsz" 144;
}
.hero .sub {
  margin-top: 24px;
  max-width: 680px;
  font-size: 19px;
  color: var(--ink-soft);
}
.hero .meta {
  margin-top: 32px;
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
}
.hero .meta span strong {
  display: block;
  color: var(--ink);
  font-size: 14px;
  margin-top: 2px;
}

/* ---------- NAV ---------- */
nav.section-nav {
  position: sticky;
  top: 0;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
  padding: 12px 24px;
  z-index: 50;
  display: flex;
  gap: 24px;
  justify-content: center;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  overflow-x: auto;
  white-space: nowrap;
}
nav.section-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: all .2s;
}
nav.section-nav a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ---------- SECCIONES ---------- */
section.block {
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 24px;
  border-bottom: 1px solid var(--rule);
}
section.block h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(34px, 4.5vw, 56px);
  line-height: 1;
  letter-spacing: -.015em;
  margin-bottom: 12px;
}
section.block .lead {
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  color: var(--ink-soft);
  max-width: 680px;
  margin-bottom: 48px;
  line-height: 1.4;
}
.section-no {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: .2em;
  margin-bottom: 10px;
}

/* ---------- TARJETAS DE PLANTILLAS ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 0;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
.card {
  background: var(--paper-pure);
  padding: 28px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  transition: background .2s;
  position: relative;
  display: flex;
  flex-direction: column;
}
.card:hover { background: #fff; }
.card .ref {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: .1em;
  margin-bottom: 12px;
}
.card h3 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: -.01em;
  margin-bottom: 10px;
}
.card p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 18px;
  flex: 1;
}
.card .actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: auto;
}

/* ---------- BOTONES ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 9px 14px;
  text-decoration: none;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: all .15s;
}
.btn:hover {
  background: var(--ink);
  color: var(--paper);
}
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--paper-pure);
}
.btn.primary:hover {
  background: var(--ink);
  border-color: var(--ink);
}
.btn.small { font-size: 10px; padding: 6px 10px; }

/* ---------- FORMULARIOS ---------- */
.form-page {
  max-width: 880px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}
.form-page .breadcrumb {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 24px;
}
.form-page .breadcrumb a { color: var(--accent); text-decoration: none; }

.form-page h1 {
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  margin-bottom: 8px;
}
.form-page .ref-code {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: .15em;
  margin-bottom: 28px;
}
.form-page .intro {
  font-family: var(--serif);
  font-style: italic;
  font-size: 19px;
  color: var(--ink-soft);
  margin-bottom: 48px;
  padding: 20px 24px;
  border-left: 3px solid var(--accent-2);
  background: var(--paper-pure);
}

fieldset {
  border: none;
  border-top: 2px solid var(--ink);
  padding-top: 24px;
  margin-bottom: 40px;
}
fieldset legend {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 600;
  padding-right: 16px;
  background: var(--paper);
  letter-spacing: -.01em;
}
fieldset .sect-no {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: .15em;
  margin-bottom: 4px;
}

.field { margin-bottom: 22px; }
.field label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ink-soft);
  margin-bottom: 6px;
  font-weight: 500;
}
.field label .req { color: var(--accent); }
.field .help {
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: 4px;
  font-style: italic;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="date"],
input[type="url"],
select,
textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: 15px;
  padding: 10px 12px;
  border: 1px solid var(--rule);
  background: var(--paper-pure);
  color: var(--ink);
  transition: border-color .15s, background .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
}
textarea {
  min-height: 110px;
  font-family: var(--sans);
  resize: vertical;
}
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px; }
@media (max-width: 640px) {
  .row, .row3 { grid-template-columns: 1fr; }
}

.check-list { display: grid; gap: 8px; }
.check-list label {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-family: var(--sans);
  font-size: 14px;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink);
  cursor: pointer;
  padding: 8px 10px;
  border: 1px solid var(--rule);
  background: var(--paper-pure);
}
.check-list input { margin-top: 3px; flex-shrink: 0; }

/* ---------- SUBMIT BAR ---------- */
.submit-bar {
  position: sticky;
  bottom: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 16px 24px;
  margin: 0 -24px;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  border-top: 2px solid var(--accent-2);
}
.submit-bar .status {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  opacity: .7;
}
.submit-bar .actions { display: flex; gap: 10px; }
.submit-bar .btn { color: var(--paper); border-color: var(--paper); }
.submit-bar .btn:hover { background: var(--paper); color: var(--ink); }
.submit-bar .btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.submit-bar .btn.primary:hover { background: #fff; color: var(--accent); }

/* ---------- WIZARD/PROGRESO ---------- */
.progress {
  display: flex;
  gap: 4px;
  margin-bottom: 32px;
  font-family: var(--mono);
  font-size: 10px;
}
.progress .step {
  flex: 1;
  text-align: center;
  padding: 8px 4px;
  background: var(--paper-pure);
  border: 1px solid var(--rule);
  color: var(--ink-soft);
  letter-spacing: .05em;
}
.progress .step.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ---------- FOOTER ---------- */
footer {
  background: var(--ink);
  color: var(--paper);
  padding: 60px 24px 24px;
  font-size: 13px;
}
footer .inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
@media (max-width: 800px) {
  footer .inner { grid-template-columns: 1fr 1fr; }
}
footer h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 14px;
}
footer ul { list-style: none; }
footer ul li { margin-bottom: 6px; }
footer a {
  color: var(--paper);
  text-decoration: none;
  opacity: .75;
  transition: opacity .15s;
}
footer a:hover { opacity: 1; color: var(--accent-2); }
footer .legal {
  max-width: 1280px;
  margin: 40px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(245,241,232,.15);
  font-family: var(--mono);
  font-size: 11px;
  opacity: .5;
  letter-spacing: .05em;
}

/* ---------- ALERTAS ---------- */
.alert {
  padding: 16px 20px;
  border-left: 4px solid var(--warn);
  background: #fdf6e3;
  margin: 20px 0;
  font-size: 14px;
}
.alert.info { border-color: var(--ink); background: var(--paper-pure); }
.alert strong { display: block; margin-bottom: 4px; font-family: var(--serif); }

/* ---------- TABLA RESUMEN ---------- */
table.summary {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin-top: 20px;
}
table.summary th, table.summary td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--rule);
}
table.summary th {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
}
table.summary tr:nth-child(even) td { background: var(--paper-pure); }