/* Drones Diario — sistema de diseño
   Paleta: cielo azul (vuelo) + grafito (tecnología) + acento verde señal (luz de
   posición LED de un dron) — nada de crema+serif+terracota ni negro+verde ácido. */
:root{
  --bg:#F4F7FA; --surface:#FFFFFF; --surface-2:#E9EFF5;
  --ink:#101820; --ink-soft:#4A5A68; --ink-faint:#7C8B98;
  --sky:#1B6FB8; --sky-ink:#0D3A5F; --sky-soft:#DCEBF9; --sky-soft-ink:#0D4A80;
  --signal:#3FBF7F; --signal-ink:#0B3A22;
  --line:#D7E1EA; --warn:#D9612F; --warn-soft:#FBE6DA;
  --shadow: 0 1px 2px rgba(16,24,32,0.06), 0 8px 24px -12px rgba(16,24,32,0.18);
  --radius: 14px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0B141C; --surface:#101B24; --surface-2:#16232E;
    --ink:#EAF1F6; --ink-soft:#A9BAC6; --ink-faint:#78899A;
    --sky:#5FA8E0; --sky-ink:#CFE6F8; --sky-soft:#123049; --sky-soft-ink:#8FC4EE;
    --signal:#5FDA9C; --signal-ink:#DFFBEA;
    --line:#233241; --warn:#F0895A; --warn-soft:#3A2318;
  }
}
:root[data-theme="dark"]{
  --bg:#0B141C; --surface:#101B24; --surface-2:#16232E;
  --ink:#EAF1F6; --ink-soft:#A9BAC6; --ink-faint:#78899A;
  --sky:#5FA8E0; --sky-ink:#CFE6F8; --sky-soft:#123049; --sky-soft-ink:#8FC4EE;
  --signal:#5FDA9C; --signal-ink:#DFFBEA;
  --line:#233241; --warn:#F0895A; --warn-soft:#3A2318;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  line-height:1.6;
}
h1,h2,h3,h4{
  font-family:'Space Grotesk','Inter',sans-serif;font-weight:700;
  letter-spacing:-0.01em;color:var(--ink);margin:0 0 12px;
}
a{color:var(--sky-soft-ink);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;display:block;}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px;}

/* Header */
header.site{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40;}
header.site .bar{max-width:1180px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.logo{display:flex;align-items:center;gap:9px;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:19px;color:var(--ink);}
.logo .dot{width:11px;height:11px;border-radius:3px;background:var(--signal);box-shadow:0 0 0 3px var(--sky-soft);flex-shrink:0;}
nav.primary{display:flex;gap:4px;align-items:center;}
nav.primary a{padding:8px 12px;border-radius:8px;color:var(--ink-soft);font-size:14px;font-weight:600;white-space:nowrap;}
nav.primary a:hover{background:var(--surface-2);color:var(--ink);text-decoration:none;}

.menu-toggle{display:none;appearance:none;border:none;background:transparent;width:40px;height:40px;padding:0;cursor:pointer;position:relative;border-radius:6px;flex-shrink:0;}
.menu-toggle span{position:absolute;left:9px;right:9px;height:2px;border-radius:2px;background:currentColor;transition:transform .2s ease, opacity .2s ease;}
.menu-toggle span:nth-child(1){top:14px;} .menu-toggle span:nth-child(2){top:19px;} .menu-toggle span:nth-child(3){top:24px;}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}
@media (max-width:900px){
  .menu-toggle{display:block;}
  header.site .bar{flex-wrap:wrap;}
  nav.primary{order:3;width:100%;flex-direction:column;align-items:stretch;gap:2px;max-height:0;overflow:hidden;transition:max-height .25s ease;}
  nav.primary.open{max-height:640px;margin-top:10px;padding-top:10px;border-top:1px solid var(--line);}
  nav.primary a{padding:11px 12px;}
}

/* Hero */
.hero{background:linear-gradient(160deg,var(--sky-ink),var(--sky));color:#fff;padding:64px 0 72px;}
.hero .wrap{display:flex;flex-direction:column;gap:14px;}
.hero .kicker{display:inline-flex;align-self:flex-start;align-items:center;gap:6px;background:rgba(255,255,255,.14);padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;}
.hero h1{color:#fff;font-size:clamp(30px,5vw,46px);max-width:720px;margin:0;}
.hero p{color:#DCEBF9;font-size:17px;max-width:600px;margin:0;}

/* Grid / cards */
.section{padding:56px 0;}
.section-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:24px;gap:16px;flex-wrap:wrap;}
.section-head h2{font-size:24px;margin:0;}
.section-head .see-all{font-size:14px;font-weight:600;color:var(--sky-soft-ink);}
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
@media(max-width:900px){.grid-cards{grid-template-columns:repeat(2,1fr);}}
@media(max-width:600px){.grid-cards{grid-template-columns:1fr;}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .15s ease, box-shadow .15s ease;}
.card:hover{transform:translateY(-3px);box-shadow:0 12px 28px -14px rgba(16,24,32,.28);}
.card .thumb{aspect-ratio:16/10;background:var(--surface-2);display:flex;align-items:center;justify-content:center;color:var(--ink-faint);font-size:13px;}
.card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.card .cat-tag{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--sky-soft-ink);}
.card h3{font-size:16px;margin:0;line-height:1.35;}
.card p{margin:0;font-size:14px;color:var(--ink-soft);}
.card a.stretched{position:absolute;inset:0;}
.card{position:relative;}

/* Category hub grid (pillars on homepage) */
.pillars{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;}
@media(max-width:900px){.pillars{grid-template-columns:repeat(3,1fr);}}
@media(max-width:560px){.pillars{grid-template-columns:repeat(2,1fr);}}
.pillar{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 14px;text-align:center;display:flex;flex-direction:column;gap:8px;align-items:center;}
.pillar .ic{width:40px;height:40px;border-radius:10px;background:var(--sky-soft);color:var(--sky-soft-ink);display:flex;align-items:center;justify-content:center;font-size:19px;}
.pillar span{font-size:13px;font-weight:700;color:var(--ink);}
.pillar.local .ic{background:var(--signal);color:var(--signal-ink);}

/* Callout */
.callout{background:var(--sky-soft);border-left:4px solid var(--sky);border-radius:0 10px 10px 0;padding:16px 18px;margin:20px 0;}
.callout p{margin:0;color:var(--sky-soft-ink);font-size:14.5px;}

/* Footer */
footer.site{background:var(--sky-ink);color:#CFE3F5;padding:44px 0 28px;margin-top:40px;}
footer.site .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;margin-bottom:28px;}
@media(max-width:720px){footer.site .cols{grid-template-columns:1fr;}}
footer.site h3{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px;}
footer.site a{color:#CFE3F5;font-size:14px;display:block;margin-bottom:7px;}
footer.site a:hover{color:#fff;}
footer.site .bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:#9FC2DE;}
footer.site .bottom button{background:none;border:none;color:#9FC2DE;font-size:12.5px;text-decoration:underline;cursor:pointer;padding:0;font-family:inherit;}

/* Prose (páginas legales / contenido largo) */
.prose{max-width:760px;}
.prose h2{font-size:19px;margin:32px 0 10px;}
.prose h2:first-child{margin-top:0;}
.prose p{margin:0 0 14px;color:var(--ink-soft);font-size:15px;}
.prose ul{margin:0 0 14px;color:var(--ink-soft);font-size:15px;}
.prose a{color:var(--sky-soft-ink);font-weight:600;}
.table-wrap{overflow-x:auto;margin:14px 0;}
table.compare{width:100%;border-collapse:collapse;font-size:14px;}
table.compare th, table.compare td{padding:9px 12px;text-align:left;border:1px solid var(--line);}
table.compare th{background:var(--surface-2);}
.breadcrumb{font-size:13px;color:var(--ink-faint);margin-bottom:10px;}
.breadcrumb a{color:var(--ink-faint);}

/* Cookie banner */
.cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;max-width:640px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 45px -20px rgba(16,24,32,.5);padding:18px 20px;z-index:80;}
.cookie-banner.hidden{display:none;}
.cookie-banner p{margin:0 0 12px;font-size:13.5px;color:var(--ink-soft);}
.cookie-banner .actions{display:flex;gap:10px;justify-content:flex-end;}
.cookie-banner button{border-radius:8px;padding:9px 16px;font-size:13.5px;font-weight:700;cursor:pointer;border:1px solid var(--line);background:var(--surface-2);color:var(--ink);}
.cookie-banner button.primary{background:var(--sky);border-color:var(--sky);color:#fff;}