/* Layout: columna editorial alineada a la izquierda; cabecera con MDT sintético en curvas de nivel;
   secciones en rejilla título | contenido. Paleta 60/30/10 mamm-dron, un único acento naranja por página. */
:root {
  --ink: #071233;        /* Tinta Naval: fondo base */
  --night: #0B1E4B;      /* Azul Noche: superficies */
  --night-2: #0A1740;    /* Azul 950: bandas alternas */
  --blue: #1F5BFF;       /* Azul Eléctrico 500: estructura, enlaces activos */
  --blue-300: #7FA2FF;
  --blue-100: #D6E3FF;
  --fog: #F5F7FB;        /* texto principal */
  --silver: #CDD5E0;
  --steel: #8A94A6;      /* texto secundario */
  --line: rgba(127, 162, 255, .18);
  --signal: #FF7A1A;     /* Naranja Señal: único acento */
  --amber: #FFA24D;

  --f-display: "Saira", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Barlow", "Helvetica Neue", Arial, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --gutter: clamp(16px, 4vw, 48px);
  --wrap: 72rem;
  color-scheme: dark;
}

@font-face { font-family: "Saira"; src: url("../fonts/saira-latin-wght-normal.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Barlow"; src: url("../fonts/barlow-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Barlow"; src: url("../fonts/barlow-latin-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Barlow"; src: url("../fonts/barlow-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Barlow"; src: url("../fonts/barlow-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("../fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("../fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--ink);
  color: var(--fog);
  font: 400 1.0625rem/1.55 var(--f-body);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; }
a { color: var(--blue-100); text-decoration-color: var(--blue); text-underline-offset: .2em; text-decoration-thickness: 1px; }
a:hover { color: #fff; text-decoration-color: var(--blue-300); }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 2px; }
::selection { background: var(--blue); color: #fff; }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.skip { position: absolute; left: -999px; top: 0; background: var(--fog); color: var(--ink); padding: .5rem 1rem; z-index: 10; }
.skip:focus { left: var(--gutter); }

/* ---------- Cabecera ---------- */
.site-head {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5;
  background: rgba(7, 18, 51, .88);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; }
.brand { display: flex; align-items: baseline; gap: .45rem; text-decoration: none; color: var(--fog); font-family: var(--f-display); text-transform: uppercase; letter-spacing: .02em; font-size: 1rem; white-space: nowrap; }
.brand b { font-weight: 800; }
.brand span { font-weight: 250; }
.brand:hover { color: #fff; }
.nav { display: flex; gap: clamp(.75rem, 2vw, 1.75rem); align-items: center; }
.nav a { font-family: var(--f-display); font-weight: 500; font-size: .95rem; color: var(--silver); text-decoration: none; padding-block: .4rem; border-bottom: 2px solid transparent; }
.nav a:hover { color: #fff; }
.nav a[aria-current="page"] { color: #fff; border-bottom-color: var(--blue); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--fog); font: 500 .9rem var(--f-display); padding: .45rem .8rem; border-radius: 4px; cursor: pointer; }
@media (max-width: 860px) {
  .nav-toggle { display: inline-block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 0; background: var(--ink); border-bottom: 1px solid var(--line); padding: .5rem var(--gutter) 1rem; }
  .nav.open { display: flex; }
  .nav a { padding-block: .75rem; border-bottom: 1px solid var(--line); }
  .nav a[aria-current="page"] { border-bottom-color: var(--line); color: #fff; box-shadow: inset 3px 0 0 var(--blue); padding-left: .75rem; }
}

/* ---------- Héroe con curvas de nivel ---------- */
.terrain { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); background: radial-gradient(120% 90% at 85% 10%, #0E2A6B 0%, var(--night) 45%, var(--ink) 100%); }
.terrain canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.terrain .wrap { position: relative; }
.hero .wrap { padding-block: clamp(4rem, 12vw, 9rem) clamp(3rem, 8vw, 6rem); }
.page-hero .wrap { padding-block: clamp(3rem, 8vw, 5.5rem) clamp(2.5rem, 6vw, 4rem); }

.name { margin: 0; font-family: var(--f-display); text-transform: uppercase; line-height: .9; letter-spacing: -.015em; font-size: clamp(2.6rem, 9vw, 7.25rem); text-wrap: balance; }
.name .thin { display: block; font-weight: 200; color: var(--blue-100); }
.name .bold { display: block; font-weight: 800; color: #fff; }
.role { margin: 1.75rem 0 0; font-family: var(--f-display); font-weight: 500; font-size: clamp(1.1rem, 2.4vw, 1.5rem); color: var(--fog); max-width: 38ch; text-wrap: balance; }
.lede { margin: 1rem 0 0; max-width: 58ch; color: var(--silver); font-size: 1.125rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem 1.25rem; align-items: center; margin-top: 2.25rem; }

.page-title { margin: 0; font-family: var(--f-display); text-transform: uppercase; line-height: .95; letter-spacing: -.01em; font-size: clamp(2.1rem, 6vw, 4.25rem); text-wrap: balance; max-width: 18ch; }
.page-title .thin { font-weight: 200; color: var(--blue-100); display: block; }
.page-title .bold { font-weight: 800; color: #fff; display: block; }

.readout { position: absolute; right: var(--gutter); bottom: 14px; font: 400 .75rem/1.4 var(--f-mono); color: var(--blue-300); opacity: .85; text-align: right; pointer-events: none; font-variant-numeric: tabular-nums; }
@media (max-width: 640px) { .readout { display: none; } }

/* ---------- Botones ---------- */
.btn { display: inline-flex; align-items: center; gap: .5rem; font: 600 1rem var(--f-display); text-decoration: none; border-radius: 4px; padding: .8rem 1.3rem; border: 1px solid transparent; cursor: pointer; }
.btn-cta { background: var(--signal); color: var(--ink); }
.btn-cta:hover { background: var(--amber); color: var(--ink); }
.btn-line { border-color: var(--blue-300); color: var(--blue-100); background: transparent; }
.btn-line:hover { border-color: #fff; color: #fff; }

/* ---------- Secciones ---------- */
main section { border-bottom: 1px solid var(--line); }
main section.band { background: var(--night-2); }
.sec { display: grid; grid-template-columns: minmax(0, 17rem) minmax(0, 1fr); gap: clamp(1.5rem, 5vw, 4.5rem); padding-block: clamp(3rem, 7vw, 5.5rem); }
@media (max-width: 820px) { .sec { grid-template-columns: minmax(0, 1fr); gap: 1.25rem; } }
.sec > * { min-width: 0; }
.sec h2 { margin: 0; font: 300 clamp(1.6rem, 3.2vw, 2.25rem)/1.05 var(--f-display); text-transform: uppercase; letter-spacing: .01em; color: var(--blue-100); text-wrap: balance; }
.sec h2 strong { font-weight: 800; color: #fff; display: block; }
.prose { max-width: 62ch; }
.prose p { margin: 0 0 1rem; }
.prose p:last-child { margin-bottom: 0; }
.prose .big { font-size: 1.3rem; line-height: 1.45; color: #fff; }
.muted { color: var(--steel); }
h3 { font: 700 1.2rem/1.2 var(--f-display); margin: 0; color: #fff; }

/* Áreas (índice de páginas) */
.areas { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.areas li { border-bottom: 1px solid var(--line); }
.areas a { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .35rem 2rem; padding: 1.6rem 0; text-decoration: none; color: inherit; }
.areas a:hover .area-t { color: #fff; }
.areas a:hover .area-go { border-color: var(--blue-300); color: #fff; }
.area-t { grid-column: 1; font: 700 clamp(1.35rem, 2.8vw, 1.9rem)/1.1 var(--f-display); text-transform: uppercase; color: var(--blue-100); letter-spacing: .005em; }
.area-d { grid-column: 1; color: var(--silver); max-width: 60ch; }
.area-go { grid-column: 2; grid-row: 1 / span 2; align-self: center; font: 500 .9rem var(--f-display); color: var(--blue-100); border: 1px solid var(--line); border-radius: 999px; padding: .45rem 1rem; white-space: nowrap; }
@media (max-width: 560px) { .areas a { grid-template-columns: minmax(0, 1fr); } .area-go { grid-column: 1; grid-row: auto; justify-self: start; margin-top: .5rem; } }

/* Trayectoria (secuencia temporal) */
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr); gap: 1.25rem; padding-block: 1.05rem; border-bottom: 1px solid var(--line); }
.timeline li:first-child { padding-top: 0; }
.timeline time { font: 400 .9rem/1.6 var(--f-mono); color: var(--blue-300); font-variant-numeric: tabular-nums; white-space: nowrap; }
.timeline .what { font-weight: 600; color: #fff; }
.timeline .where { color: var(--silver); }
.timeline .note { color: var(--steel); font-size: .95rem; margin-top: .2rem; }
@media (max-width: 520px) { .timeline li { grid-template-columns: minmax(0, 1fr); gap: .15rem; } }

/* Lista de servicios / capacidades */
.dl { display: grid; gap: 0; margin: 0; border-top: 1px solid var(--line); }
.dl > div { display: grid; grid-template-columns: minmax(0, 15rem) minmax(0, 1fr); gap: .5rem 2rem; padding-block: 1.2rem; border-bottom: 1px solid var(--line); }
.dl dt { font: 700 1.1rem/1.25 var(--f-display); color: #fff; }
.dl dd { margin: 0; color: var(--silver); }
@media (max-width: 640px) { .dl > div { grid-template-columns: minmax(0, 1fr); } }

/* Ficha de datos técnicos */
.spec { width: 100%; border-collapse: collapse; font-size: .98rem; }
.spec-wrap { overflow-x: auto; }
.spec th, .spec td { text-align: left; vertical-align: top; padding: .7rem 1rem .7rem 0; border-bottom: 1px solid var(--line); }
.spec th { font: 500 .95rem var(--f-display); color: var(--blue-100); width: 34%; min-width: 9rem; }
.spec td { color: var(--fog); }
.mono { font-family: var(--f-mono); font-size: .92em; color: var(--blue-100); font-variant-numeric: tabular-nums; }

.tags { display: flex; flex-wrap: wrap; gap: .5rem; margin: 0; padding: 0; list-style: none; }
.tags li { border: 1px solid var(--line); border-radius: 999px; padding: .3rem .85rem; font-size: .95rem; color: var(--blue-100); }

.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14.5rem), 1fr)); gap: 2rem 2.25rem; }
.cols h3 { margin-bottom: .5rem; }
.cols ul { margin: 0; padding-left: 1.1rem; color: var(--silver); }
.cols li { margin-bottom: .35rem; }
.cols li::marker { color: var(--blue); }

/* Bloque de contacto final */
.closing .wrap { padding-block: clamp(3rem, 7vw, 5rem); display: flex; flex-wrap: wrap; gap: 1.5rem 3rem; align-items: center; justify-content: space-between; }
.closing p { margin: 0; font: 300 clamp(1.4rem, 3vw, 2rem)/1.2 var(--f-display); color: var(--blue-100); max-width: 30ch; text-wrap: balance; }
.closing p strong { font-weight: 700; color: #fff; }

/* Contacto */
.contact-grid { display: grid; gap: 0; border-top: 1px solid var(--line); }
.contact-row { display: grid; grid-template-columns: minmax(0, 10rem) minmax(0, 1fr) auto; gap: .5rem 1.5rem; align-items: center; padding-block: 1.25rem; border-bottom: 1px solid var(--line); }
.contact-row .k { font: 500 1rem var(--f-display); color: var(--blue-100); }
.contact-row .v { font: 600 clamp(1.05rem, 2.6vw, 1.45rem)/1.3 var(--f-display); color: #fff; overflow-wrap: anywhere; }
.contact-row .v a { color: #fff; text-decoration: none; }
.contact-row .v a:hover { text-decoration: underline; text-decoration-color: var(--blue-300); }
.copy { background: none; border: 1px solid var(--line); color: var(--blue-100); font: 500 .85rem var(--f-display); border-radius: 999px; padding: .4rem .9rem; cursor: pointer; }
.copy:hover { border-color: var(--blue-300); color: #fff; }
@media (max-width: 600px) { .contact-row { grid-template-columns: minmax(0, 1fr) auto; } .contact-row .k { grid-column: 1 / -1; } }

/* Textos legales */
.legal h3 { font: 700 1.3rem/1.2 var(--f-display); color: #fff; margin: 2.5rem 0 .75rem; }
.legal h3:first-child { margin-top: 0; }
.legal p, .legal li { color: var(--silver); max-width: 68ch; }
.legal ul { padding-left: 1.2rem; }
.todo { background: rgba(255, 122, 26, .14); color: var(--amber); padding: 0 .3em; border-radius: 3px; font-family: var(--f-mono); font-size: .9em; }

/* Pie */
.site-foot { padding-block: 2.5rem; color: var(--steel); font-size: .95rem; }
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 1rem 2.5rem; justify-content: space-between; align-items: baseline; }
.site-foot nav { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; }
.site-foot a { color: var(--silver); text-decoration: none; }
.site-foot a:hover { color: #fff; text-decoration: underline; }