/* Tokensur — hoja de estilos del sitio estático */
:root {
  --azul: #2C5596;        /* Tokensur Azul (primario) */
  --azul-osc: #1B3A6B;
  --cobalto: #1836B2;
  --celeste: #38B0E3;
  --aqua: #7ACCCA;        /* solo decorativo */
  --tinta: #10213F;
  --texto: #33415C;
  --suave: #5B6B85;
  --linea: #DCE3EE;
  --fondo: #FFFFFF;
  --fondo-alt: #F3F6FB;
  --radio: 14px;
  --max: 1160px;
  --sombra: 0 10px 30px rgba(16, 33, 63, .08);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--texto);
  background: var(--fondo);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--azul); }
h1, h2, h3 { color: var(--tinta); line-height: 1.2; margin: 0 0 .6em; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.section { padding: 96px 0; }
.section.alt { background: var(--fondo-alt); }
.eyebrow {
  display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--azul); margin-bottom: 14px;
}
.lead { font-size: 1.12rem; color: var(--suave); max-width: 760px; }
.skip { position: absolute; left: -999px; top: 0; background: #fff; padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 24px; border-radius: 999px; font-weight: 600; font-size: .98rem;
  text-decoration: none; border: 2px solid transparent; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, transform .2s;
  font-family: inherit;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--azul); color: #fff; }
.btn-primary:hover { background: var(--cobalto); }
.btn-light { background: #fff; color: var(--azul); }
.btn-light:hover { background: #EAF2FD; }
.btn-ghost { border-color: rgba(255,255,255,.7); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
:focus-visible { outline: 3px solid var(--celeste); outline-offset: 2px; }

/* Navegación */
.nav {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--linea);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo img { height: 34px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--tinta); text-decoration: none; font-weight: 500; font-size: .96rem; }
.nav-links a:hover { color: var(--azul); }
.nav-links .btn { color: #fff; padding: 10px 18px; }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--tinta); margin: 5px 0; transition: .2s; }

/* Hero */
.hero {
  position: relative; color: #fff; padding: 120px 0 110px;
  background:
    linear-gradient(115deg, rgba(16,33,63,.92) 0%, rgba(44,85,150,.86) 55%, rgba(24,54,178,.72) 100%),
    url("../img/campos.jpg") center / cover no-repeat;
}
.hero h1 { color: #fff; max-width: 860px; }
.hero p { font-size: 1.15rem; max-width: 720px; color: rgba(255,255,255,.92); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero-tag {
  display: inline-block; margin-bottom: 22px; padding: 6px 14px; border-radius: 999px;
  background: rgba(56,176,227,.18); border: 1px solid rgba(122,204,202,.55);
  font-size: .82rem; font-weight: 600; letter-spacing: .04em;
}

/* Dos columnas con foto */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.split.reverse > :first-child { order: 2; }
.photo { border-radius: var(--radio); overflow: hidden; box-shadow: var(--sombra); aspect-ratio: 4 / 3; }
.photo img { width: 100%; height: 100%; object-fit: cover; }
.big-text { font-size: clamp(1.25rem, 2.2vw, 1.6rem); color: var(--tinta); line-height: 1.45; font-weight: 500; }

/* Tarjetas */
.cards { display: grid; gap: 22px; margin-top: 36px; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff; border: 1px solid var(--linea); border-radius: var(--radio);
  padding: 28px; box-shadow: 0 1px 0 rgba(16,33,63,.02);
}
.card .num { font-size: .85rem; font-weight: 700; color: var(--celeste); letter-spacing: .08em; }
.card h3 { margin-top: 8px; }
.card p { color: var(--suave); font-size: .97rem; margin-bottom: .6em; }
.card .entregables { font-size: .9rem; color: var(--texto); border-top: 1px solid var(--linea); padding-top: 12px; margin: 14px 0 0; }
.card-accent { border-top: 4px solid var(--azul); }

.note {
  margin-top: 30px; padding: 18px 22px; border-left: 4px solid var(--celeste);
  background: #EEF7FC; border-radius: 0 var(--radio) var(--radio) 0; font-size: .96rem;
}
.link-arrow { font-weight: 600; text-decoration: none; }
.link-arrow:hover { text-decoration: underline; }

/* Proceso: Problema → Solución → Contexto */
.flow { display: grid; grid-template-columns: 1fr auto 1.4fr auto 1fr; gap: 18px; align-items: stretch; margin-top: 40px; }
.flow-col { border-radius: var(--radio); padding: 28px; }
.flow-problem { background: #fff; border: 1px solid var(--linea); }
.flow-solution { background: var(--azul); color: #fff; }
.flow-solution h3 { color: #fff; }
.flow-context { background: #EEF7FC; border: 1px solid #CBE8F6; }
.flow-tag { font-size: .75rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 10px; color: var(--azul); }
.flow-solution .flow-tag { color: var(--aqua); }
.flow-arrow { display: flex; align-items: center; justify-content: center; font-size: 1.8rem; color: var(--celeste); font-weight: 700; }
.flow ul { margin: 0; padding-left: 18px; }
.flow li { margin-bottom: 8px; font-size: .96rem; }
.steps { list-style: none; padding: 0 !important; margin: 0; counter-reset: s; }
.steps li { display: grid; grid-template-columns: 38px 1fr; gap: 12px; margin-bottom: 14px; }
.steps .n {
  width: 34px; height: 34px; border-radius: 50%; background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.4); display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .85rem;
}
.steps strong { display: block; color: #fff; }
.steps span.d { color: rgba(255,255,255,.88); font-size: .93rem; }

/* Regulación / Nosotros */
.two-blocks { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.block { background: #fff; border-radius: var(--radio); padding: 36px; border: 1px solid var(--linea); }

/* Antecedentes */
.ant-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 36px; }
.ant { background: #fff; border: 1px solid var(--linea); border-radius: var(--radio); padding: 26px; display: flex; flex-direction: column; }
.ant p { color: var(--texto); font-size: .97rem; flex: 1; }
.ant .t { font-weight: 700; color: var(--tinta); margin-top: 12px; }
.ant .m { font-size: .86rem; color: var(--suave); }
.disclaimer { font-size: .9rem; color: var(--suave); margin-top: 26px; max-width: 820px; }

/* Contacto */
.contact { background: linear-gradient(135deg, var(--azul-osc), var(--azul)); color: #fff; }
.contact h2 { color: #fff; }
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 48px; align-items: start; }
.contact a { color: #fff; }
.contact-info p { color: rgba(255,255,255,.9); }
.contact-info ul { list-style: none; padding: 0; margin: 24px 0 0; }
.contact-info li { margin-bottom: 12px; }
.form { background: #fff; color: var(--texto); border-radius: var(--radio); padding: 32px; box-shadow: 0 20px 50px rgba(0,0,0,.18); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form .full { grid-column: 1 / -1; }
.form label { display: block; font-size: .88rem; font-weight: 600; color: var(--tinta); margin-bottom: 6px; }
.form input, .form select, .form textarea {
  width: 100%; padding: 12px 14px; border: 1px solid #C9D3E3; border-radius: 10px;
  font: inherit; font-size: .96rem; color: var(--tinta); background: #fff;
}
.form textarea { min-height: 130px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--azul); outline: 2px solid rgba(44,85,150,.2); }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: .88rem; font-weight: 400 !important; color: var(--texto) !important; }
.check input { width: auto; margin-top: 4px; }
.hp { position: absolute; left: -5000px; }
.form .btn { width: 100%; margin-top: 8px; }
.form-msg { display: none; padding: 14px 16px; border-radius: 10px; margin-bottom: 16px; font-size: .95rem; }
.form-msg.ok { display: block; background: #E7F6EE; color: #17643B; border: 1px solid #B6E2C8; }
.form-msg.err { display: block; background: #FDECEC; color: #8A1F1F; border: 1px solid #F3C1C1; }

/* Footer */
.footer { background: var(--tinta); color: rgba(255,255,255,.78); padding: 64px 0 28px; font-size: .94rem; }
.footer a { color: rgba(255,255,255,.85); text-decoration: none; }
.footer a:hover { color: #fff; text-decoration: underline; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; }
.footer-logo { display: inline-block; background: #fff; padding: 10px 14px; border-radius: 10px; margin-bottom: 16px; }
.footer-logo img { height: 28px; width: auto; }
.footer h4 { color: #fff; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; margin: 6px 0 14px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 8px; }
.social { display: flex; gap: 12px; margin-top: 14px; }
.social a { display: inline-flex; width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(255,255,255,.3); align-items: center; justify-content: center; }
.social svg { width: 18px; height: 18px; fill: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.14); margin-top: 44px; padding-top: 20px; font-size: .85rem; }

/* Legales */
.legal { padding: 64px 0 96px; }
.legal .container { max-width: 820px; }
.legal-banner { background: #FFF7E0; border: 1px solid #F1D98A; color: #6B5300; padding: 12px 16px; border-radius: 10px; font-size: .9rem; margin-bottom: 28px; }
.legal-toc { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 34px; }
.legal-toc a { padding: 8px 14px; border: 1px solid var(--linea); border-radius: 999px; text-decoration: none; font-size: .92rem; font-weight: 500; }
.legal section { padding-top: 26px; margin-top: 26px; border-top: 1px solid var(--linea); }
.legal h3 { margin-top: 22px; font-size: 1.05rem; }
.legal p, .legal li { font-size: .98rem; }

/* Responsive */
@media (max-width: 1020px) {
  .cards-4, .ant-grid { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: 1fr; }
  .flow-arrow { transform: rotate(90deg); padding: 2px 0; }
}
@media (max-width: 860px) {
  .section { padding: 72px 0; }
  .split, .two-blocks, .contact-grid, .cards-3 { grid-template-columns: 1fr; }
  .split.reverse > :first-child { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 72px; left: 0; right: 0; background: #fff;
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px 20px 20px;
    border-bottom: 1px solid var(--linea); box-shadow: var(--sombra);
  }
  .nav-links.open { display: flex; }
  .nav-links li a { display: block; padding: 12px 0; }
  .nav-links .btn { margin-top: 8px; text-align: center; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .hero { padding: 84px 0 76px; }
  .cards-4, .ant-grid, .form-grid, .footer-grid { grid-template-columns: 1fr; }
  .form, .block { padding: 24px; }
  .hero-actions .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}