/* ============================================================
   PUERTA21 — identidad visual "tablero de salidas de aeropuerto"
   ============================================================ */

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

:root{
  --bg: #0B1220;
  --panel: #121A2B;
  --panel-2: #182238;
  --line: #26314A;
  --amber: #FFB020;
  --amber-dim: #8a6520;
  --teal: #49D9C6;
  --red: #E8604A;
  --text: #ECEFF4;
  --text-dim: #9AA7BD;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --radius: 3px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--teal);text-decoration:none;}
a:hover{text-decoration:underline;}
a:focus-visible, button:focus-visible{outline:2px solid var(--amber);outline-offset:2px;}
img{max-width:100%;display:block;}

.wrap{max-width:1080px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,var(--panel) 0%, var(--bg) 100%);
  position:sticky;top:0;z-index:50;
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:16px;padding-bottom:16px;gap:16px;flex-wrap:wrap;}
.brand{display:flex;align-items:baseline;gap:10px;font-family:var(--mono);font-weight:800;font-size:1.25rem;letter-spacing:.02em;color:var(--text);}
.brand .flap{
  background:var(--amber);color:#1a1200;padding:2px 7px;border-radius:2px;font-size:0.85rem;
}
.brand-tag{font-family:var(--sans);font-size:.75rem;color:var(--text-dim);font-weight:500;}
nav.main-nav{display:flex;gap:22px;flex-wrap:wrap;font-family:var(--mono);font-size:.82rem;letter-spacing:.03em;}
nav.main-nav a{color:var(--text-dim);text-transform:uppercase;}
nav.main-nav a:hover{color:var(--amber);text-decoration:none;}

/* ---------- board (signature element) ---------- */
.board{
  background:#070B14;
  border:1px solid var(--line);
  border-radius:6px;
  padding:0;
  overflow:hidden;
  box-shadow:0 20px 60px -20px rgba(0,0,0,.6), inset 0 0 40px rgba(255,176,32,.03);
}
.board-head{
  display:grid;
  grid-template-columns: 70px 1fr 130px 150px;
  gap:12px;
  padding:12px 20px;
  font-family:var(--mono);
  font-size:.68rem;
  letter-spacing:.08em;
  color:var(--amber-dim);
  text-transform:uppercase;
  border-bottom:1px solid var(--line);
}
.board-row{
  display:grid;
  grid-template-columns: 70px 1fr 130px 150px;
  gap:12px;
  align-items:center;
  padding:14px 20px;
  border-bottom:1px solid #182034;
  font-family:var(--mono);
  animation: flapIn .5s ease backwards;
}
.board-row:last-child{border-bottom:none;}
.board-row:hover{background:rgba(255,176,32,.04);}
.board-row a{color:var(--text);display:block;}
.board-row a:hover{color:var(--amber);text-decoration:none;}
.b-code{color:var(--teal);font-weight:700;font-size:.85rem;}
.b-title{font-family:var(--sans);font-weight:600;font-size:.98rem;color:var(--text);}
.b-cat{font-size:.7rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.05em;}
.b-status{
  font-size:.68rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  padding:5px 8px;border-radius:2px;text-align:center;white-space:nowrap;
}
.st-plazo{background:rgba(232,96,74,.15);color:#ff8a72;border:1px solid rgba(232,96,74,.35);}
.st-vigente{background:rgba(73,217,198,.13);color:var(--teal);border:1px solid rgba(73,217,198,.3);}
.st-gratis{background:rgba(255,176,32,.14);color:var(--amber);border:1px solid rgba(255,176,32,.32);}

@keyframes flapIn{
  0%{opacity:0; transform: translateY(-6px) scaleY(.4); filter:blur(2px);}
  60%{opacity:1;}
  100%{opacity:1; transform: translateY(0) scaleY(1); filter:blur(0);}
}
.board-row:nth-child(2){animation-delay:.03s}
.board-row:nth-child(3){animation-delay:.08s}
.board-row:nth-child(4){animation-delay:.13s}
.board-row:nth-child(5){animation-delay:.18s}
.board-row:nth-child(6){animation-delay:.23s}
.board-row:nth-child(7){animation-delay:.28s}
.board-row:nth-child(8){animation-delay:.33s}
.board-row:nth-child(9){animation-delay:.38s}
@media (prefers-reduced-motion: reduce){
  .board-row{animation:none;}
}

/* ---------- hero ---------- */
.hero{padding:64px 0 40px;}
.eyebrow{
  font-family:var(--mono);font-size:.75rem;letter-spacing:.12em;color:var(--amber);
  text-transform:uppercase;margin:0 0 14px;
}
.hero h1{
  font-family:var(--sans);font-weight:700;font-size:clamp(2rem,4.4vw,3.1rem);
  line-height:1.12;margin:0 0 18px;max-width:16ch;
}
.hero p.lede{color:var(--text-dim);font-size:1.1rem;max-width:56ch;margin:0 0 8px;}

/* ---------- sections / cards ---------- */
section{padding:52px 0;}
section.on-panel{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
h2.section-title{
  font-family:var(--mono);font-size:1rem;letter-spacing:.05em;text-transform:uppercase;
  color:var(--amber);margin:0 0 28px;display:flex;align-items:center;gap:10px;
}
h2.section-title::before{content:"";width:22px;height:2px;background:var(--amber);display:inline-block;}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
@media (max-width:820px){.grid-3{grid-template-columns:1fr;}.grid-2{grid-template-columns:1fr;}
  .board-head, .board-row{grid-template-columns: 54px 1fr 96px; }
  .board-head .bh-cat, .board-row .b-cat{display:none;}
}

.card{
  background:var(--panel-2);border:1px solid var(--line);border-radius:6px;padding:24px;
  display:flex;flex-direction:column;gap:10px;
}
.card h3{margin:0;font-size:1.05rem;}
.card p{margin:0;color:var(--text-dim);font-size:.92rem;}
.card .card-meta{font-family:var(--mono);font-size:.68rem;color:var(--teal);text-transform:uppercase;letter-spacing:.06em;}
.card a.card-link{margin-top:auto;font-family:var(--mono);font-size:.78rem;color:var(--amber);}

/* ---------- gate / category hub header ---------- */
.gate-header{
  background:var(--panel);border-bottom:1px solid var(--line);padding:44px 0 34px;
}
.gate-number{
  font-family:var(--mono);color:var(--amber);font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;
  border:1px solid var(--amber-dim);display:inline-block;padding:4px 10px;border-radius:3px;margin-bottom:16px;
}

/* ---------- article layout ---------- */
.article-header{padding:48px 0 24px;border-bottom:1px solid var(--line);}
.breadcrumbs{font-family:var(--mono);font-size:.72rem;color:var(--text-dim);margin-bottom:18px;text-transform:uppercase;letter-spacing:.04em;}
.breadcrumbs a{color:var(--text-dim);}
.article-header h1{font-size:clamp(1.7rem,3.4vw,2.4rem);line-height:1.18;margin:0 0 16px;max-width:22ch;}
.article-meta{display:flex;gap:18px;flex-wrap:wrap;font-family:var(--mono);font-size:.75rem;color:var(--text-dim);}

.article-body{padding:40px 0;max-width:720px;}
.article-body h2{font-size:1.35rem;margin:2.2em 0 .7em;}
.article-body h3{font-size:1.1rem;margin:1.8em 0 .6em;color:var(--amber);}
.article-body p{margin:0 0 1.1em;color:#D7DCE6;}
.article-body ul, .article-body ol{margin:0 0 1.3em;padding-left:1.3em;color:#D7DCE6;}
.article-body li{margin-bottom:.5em;}
.article-body strong{color:var(--text);}

/* boarding-pass style info box */
.pass{
  background:var(--panel-2);border:1px solid var(--line);border-radius:8px;
  padding:22px 24px;margin:28px 0;position:relative;
}
.pass::before{
  content:"";position:absolute;left:-8px;top:50%;width:16px;height:16px;background:var(--bg);
  border-radius:50%;transform:translateY(-50%);border:1px solid var(--line);
}
.pass::after{
  content:"";position:absolute;right:-8px;top:50%;width:16px;height:16px;background:var(--bg);
  border-radius:50%;transform:translateY(-50%);border:1px solid var(--line);
}
.pass-label{font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;color:var(--amber);text-transform:uppercase;margin-bottom:10px;}
.pass dl{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:0;}
.pass dt{font-family:var(--mono);font-size:.72rem;color:var(--text-dim);text-transform:uppercase;white-space:nowrap;}
.pass dd{margin:0;font-weight:600;color:var(--text);}

.callout{
  border-left:3px solid var(--red);background:rgba(232,96,74,.08);
  padding:16px 18px;border-radius:0 6px 6px 0;margin:24px 0;font-size:.94rem;
}
.callout.tip{border-left-color:var(--teal);background:rgba(73,217,198,.07);}

.ad-slot{
  border:1px dashed var(--line);border-radius:6px;padding:18px;text-align:center;
  font-family:var(--mono);font-size:.68rem;color:var(--text-dim);letter-spacing:.06em;text-transform:uppercase;
  margin:32px 0;
}

.affiliate-box{
  background:var(--panel-2);border:1px solid var(--amber-dim);border-radius:8px;padding:22px;margin:28px 0;
}
.affiliate-box .pass-label{color:var(--amber);}
.btn{
  display:inline-block;background:var(--amber);color:#1a1200;font-weight:700;
  padding:10px 18px;border-radius:4px;font-family:var(--sans);font-size:.9rem;margin-top:10px;
}
.btn:hover{text-decoration:none;filter:brightness(1.08);}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:40px 0;margin-top:40px;}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;}
footer p{color:var(--text-dim);font-size:.82rem;margin:0;}
footer nav{display:flex;gap:18px;flex-wrap:wrap;font-size:.82rem;}
footer nav a{color:var(--text-dim);}

.disclaimer{color:var(--text-dim);font-size:.78rem;max-width:70ch;}