/* Paleta Fortinet
   Primarios:   Red #DA291C · White #FFFFFF · Light Gray #F0F0F0 · Black #000000
   Secundarios: Green #3CB17E · Teal #2CCCD3 · Blue #307FE2 · Purple #9063CD · Silver #A2B2C8
   Neutrales:   #C8C8C8 · #969696 · #646464 · #464646 */
:root {
  --ftnt-red: #DA291C;
  --ftnt-green: #3CB17E;
  --ftnt-teal: #2CCCD3;
  --ftnt-blue: #307FE2;
  --ftnt-purple: #9063CD;
  --ftnt-silver: #A2B2C8;

  --bg: #F0F0F0;
  --panel: #FFFFFF;
  --ink: #000000;
  --muted: #646464;
  --line: #C8C8C8;
  --track: #F0F0F0;
  --state-closed: #969696;
  --state-open: var(--ftnt-green);

  --font: "Barlow", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-display: "Barlow Semi Condensed", "Barlow", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --panel: #000000;
    --ink: #FFFFFF;
    --muted: #C8C8C8;
    --line: #464646;
    --track: #464646;
    --state-closed: #646464;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.5;
}
[hidden] { display: none !important; }

/* ---------- Botones y enlaces ---------- */
.btn {
  appearance: none;
  display: block;
  width: 100%;
  padding: 15px 18px;
  border: 2px solid var(--ftnt-red);
  border-radius: 4px;
  background: var(--ftnt-red);
  color: #FFFFFF;
  font: 600 17px/1 var(--font);
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}
.btn.secundario { background: transparent; color: var(--ink); border-color: var(--line); }
.btn[disabled] { opacity: .55; cursor: progress; }
.link {
  appearance: none;
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}
.btn:focus-visible, .link:focus-visible, input:focus-visible {
  outline: 3px solid var(--ftnt-blue);
  outline-offset: 2px;
}

/* ---------- Portada (index.html) ---------- */
body.portada {
  background: #000000;
  color: #FFFFFF;
  display: grid;
  place-items: center;
  padding: 32px 24px;
}
.hero { width: 100%; max-width: 900px; }
.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(48px, 9vw, 96px);
  line-height: .95;
  letter-spacing: -0.015em;
  margin: 0;
}
.hero .regla { width: 72px; height: 6px; background: var(--ftnt-red); margin: 28px 0 20px; }
.hero .sub {
  margin: 0 0 40px;
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 500;
  color: var(--ftnt-silver);
}
.hero .btn-inicio { display: inline-block; width: auto; min-width: 200px; }

.acceso { max-width: 380px; margin-top: 8px; }
.acceso label { display: block; margin-bottom: 8px; font-size: 15px; color: #C8C8C8; }
.acceso .fila { display: flex; gap: 10px; }
.acceso input {
  flex: 1;
  min-width: 0;
  padding: 13px 14px;
  border: 1px solid #646464;
  border-radius: 4px;
  background: #000000;
  color: #FFFFFF;
  font: inherit;
}
.acceso .btn { width: auto; }

.mensaje-error {
  min-height: 1.5em;
  margin: 12px 0 0;
  font-size: 15px;
}
.mensaje-error:not(:empty) { border-left: 4px solid var(--ftnt-red); padding-left: 10px; }

/* ---------- Encabezado de páginas internas ---------- */
.encabezado { max-width: 1100px; margin: 0 auto; padding: 20px 24px 32px; }
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  min-height: 28px;
  margin-bottom: 28px;
  font-size: 15px;
}
.titulo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1.05;
}
.titulo::before { content: ""; flex: none; width: 14px; height: 14px; background: var(--ftnt-red); }
.subtitulo {
  margin: 6px 0 0 26px;
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 500;
  color: var(--muted);
}
.contenido { max-width: 1100px; margin: 0 auto; padding: 0 24px 56px; }

/* ---------- Recuadros (soluciones.html) ---------- */
.tarjetas { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 760px) { .tarjetas { grid-template-columns: 1fr; } }
.tarjeta {
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 6px solid var(--acento);
  border-radius: 4px;
  padding: 24px;
}
.tarjeta h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  line-height: 1.15;
}
.tarjeta p { flex: 1; margin: 0 0 24px; }
/* Color por pilar: FortiGate = Network Security = rojo; el resto, colores secundarios */
.tarjeta.apps      { --acento: var(--ftnt-blue); }
.tarjeta.saas      { --acento: var(--ftnt-purple); }
.tarjeta.cnapp     { --acento: var(--ftnt-green); }
.tarjeta.fortigate { --acento: var(--ftnt-red); }

/* ---------- Páginas de producto (en construcción) ---------- */
.panel {
  max-width: 720px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 28px;
}
.panel h2 { margin: 0 0 8px; font-family: var(--font-display); font-size: 24px; }
.panel p { margin: 0; color: var(--muted); }