/* =========================================================
   VARIABLES Y BASE
   ========================================================= */

:root{
  /* Colores corporativos */
  --c-navy: #001923;      /* Azul oscuro */
  --c-teal: #00B0BD;      /* Turquesa */
  --c-ceramic: #E3E2DA;   /* Gris cerámica */
  --c-amazon: #004254;    /* Azul amazónico */

  /* UI */
  --bg: #ffffff;
  --bg-soft: var(--c-ceramic);
  --text: var(--c-navy);
  --muted: color-mix(in srgb, var(--c-navy) 70%, white);
  --border: color-mix(in srgb, var(--c-navy) 18%, white);

  --radius: 16px;
  --shadow: 0 10px 28px rgba(0,0,0,.08);
  --container: 1120px;
}

*{ box-sizing: border-box; }

html{
  scroll-behavior: smooth;
}

body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto,
               Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a{
  color: var(--c-amazon);
  text-decoration: none;
}
a:hover{
  text-decoration: underline;
}

code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
               "Liberation Mono", "Courier New", monospace;
}

/* =========================================================
   UTILIDADES
   ========================================================= */

.container{
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.muted{ color: var(--muted); }
.center{ text-align: center; }

.skip-link{
  position: absolute;
  left: -999px;
  top: 10px;
  padding: 10px 14px;
  background: var(--c-teal);
  color: var(--c-navy);
  border-radius: 10px;
}
.skip-link:focus{
  left: 10px;
  z-index: 9999;
}

/* =========================================================
   HEADER / NAV
   ========================================================= */

.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner{
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
}

.brand{
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 260px;
}

.brand-logo{
  height: 34px;
}

.brand-sub{
  font-size: 14px;
  color: var(--muted);
}

.nav{
  display: flex;
  gap: 14px;
  flex: 1;
  justify-content: center;
}

.nav a{
  padding: 10px;
  border-radius: 12px;
  color: var(--c-navy);
}

.nav a:hover{
  background: color-mix(in srgb, var(--c-ceramic) 55%, white);
  text-decoration: none;
}

.header-actions{
  display: flex;
  gap: 10px;
  align-items: center;
}

.lang{
  padding: 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.nav-toggle{
  display: none;
  border: 1px solid var(--border);
  background: white;
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
}

/* Drawer móvil */
.nav-drawer{
  border-top: 1px solid var(--border);
  background: white;
}

.drawer-inner{
  display: grid;
  gap: 10px;
  padding: 14px 0 18px;
}

.drawer-inner a{
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

/* =========================================================
   BOTONES
   ========================================================= */

.button{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
}

.button-primary{
  background: var(--c-teal);
  color: var(--c-navy);
}

.button-primary:hover{
  background: color-mix(in srgb, var(--c-teal) 85%, white);
}

.button-secondary{
  background: white;
  border-color: var(--border);
  color: var(--c-navy);
}

/* Botón descarga (recursos PKI) */
.button-download{
  background: color-mix(in srgb, var(--c-teal) 85%, white);
  color: var(--c-navy);
  border: 1px solid var(--c-teal);
}

.button-download:hover{
  background: var(--c-teal);
}


/* =========================================================
   HERO
   ========================================================= */

.hero{
  padding: 48px 0 32px;
  background:
    radial-gradient(900px 260px at 15% 10%, color-mix(in srgb, var(--c-teal) 18%, white), transparent 65%),
    radial-gradient(900px 260px at 85% 10%, color-mix(in srgb, var(--c-amazon) 16%, white), transparent 65%);
}

.hero-inner{
  display: grid;
  grid-template-columns: 1.4fr .6fr;
  gap: 24px;
}

.badge{
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--c-ceramic) 70%, white);
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 700;
}

h1{
  margin: 12px 0;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.1;
}

.lead{
  font-size: 18px;
  max-width: 70ch;
}

.hero-cta{
  display: flex;
  gap: 12px;
  margin: 16px 0;
  flex-wrap: wrap;
}

.hero-meta{
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 10px;
}

.meta-card{
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  background: rgba(255,255,255,.7);
}

.meta-k{
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}

/* =========================================================
   SECCIONES Y GRID
   ========================================================= */

.section{
  padding: 48px 0;
}

.sect