/* vektru.mx — página pública. Colores y tipografía del manual de marca (docs/marca de vektru):
   tinta #0F172A, acento #0284C7, azul claro #6FA0FC, grises slate; Inter auto-alojada. Sin
   JavaScript ni nada de CDN. */
@font-face {
  font-family: "Inter";
  src: url("fonts/Inter-Variable-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --ink: #0F172A;
  --ink-2: #334155;
  --muted: #64748B;
  --line: #E2E8F0;
  --soft: #F8FAFC;
  --accent: #0284C7;
  --accent-2: #6FA0FC;
  --ok: #10B981;
  --radius: 10px;
  --wrap: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -0.01em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* Encabezado */
.top { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.top-row { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand img { width: 150px; }
.nav { display: flex; align-items: center; gap: 22px; font-size: 15px; font-weight: 500; }
.nav a { color: var(--ink-2); }
.nav a:hover { color: var(--ink); text-decoration: none; }

/* Botones */
.btn { display: inline-block; padding: 11px 20px; border-radius: 8px; font-weight: 600; font-size: 15px; border: 1px solid transparent; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #0369A1; }
.btn-ghost { border-color: var(--line); color: var(--ink) !important; background: #fff; }
.btn-ghost:hover { border-color: #CBD5E1; background: var(--soft); }

/* Portada */
.hero { padding: 96px 0 88px; background: radial-gradient(1200px 400px at 85% -10%, rgba(111,160,252,.18), transparent 60%), #fff; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: 13px; font-weight: 600; color: var(--accent); margin: 0 0 14px; }
.hero h1 { font-size: clamp(40px, 6vw, 64px); font-weight: 750; max-width: 14ch; }
.lead { font-size: clamp(18px, 2.2vw, 21px); color: var(--ink-2); max-width: 58ch; margin: 0 0 32px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.tagline { margin: 40px 0 0; color: var(--muted); font-weight: 500; }
.tagline::before { content: ""; display: inline-block; width: 28px; height: 2px; background: var(--accent-2); vertical-align: middle; margin-right: 12px; }

/* Promesas */
.band { background: var(--ink); color: #E2E8F0; padding: 64px 0; }
.promises { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.promises h2 { color: #fff; font-size: 19px; font-weight: 650; }
.promises h2::before { content: ""; display: block; width: 24px; height: 3px; background: var(--accent-2); margin-bottom: 16px; border-radius: 2px; }
.promises p { margin: 0; color: #CBD5E1; font-size: 16px; }

/* Secciones */
.section { padding: 88px 0; }
.section-alt { background: var(--soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-title { font-size: clamp(28px, 3.4vw, 36px); font-weight: 700; }
.section-lead { color: var(--muted); margin: 0 0 36px; max-width: 60ch; }

/* Módulos */
.modules { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.module { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; background: #fff; }
.module h3 { font-size: 18px; margin-top: 12px; }
.module p { margin: 0; color: var(--ink-2); font-size: 15px; }
.module-line { color: var(--muted) !important; font-style: italic; margin-bottom: 10px !important; }
.module-live { grid-column: span 4; display: grid; grid-template-columns: 1fr 2fr; column-gap: 32px; align-items: start; border-color: rgba(2,132,199,.35); box-shadow: 0 1px 0 rgba(15,23,42,.02), 0 8px 24px rgba(2,132,199,.07); }
.module-live .badge { grid-column: 1; justify-self: start; }
.module-live h3 { grid-column: 1; font-size: 24px; }
.module-live .module-line { grid-column: 1; }
.module-live p:last-child { grid-column: 2; grid-row: 1 / span 3; font-size: 16px; align-self: center; }
.badge { display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .02em; padding: 3px 10px; border-radius: 999px; background: var(--soft); color: var(--muted); border: 1px solid var(--line); }
.badge-live { background: rgba(16,185,129,.1); color: #047857; border-color: rgba(16,185,129,.3); }

/* Cómo funciona */
.two-col { display: grid; grid-template-columns: 3fr 2fr; gap: 56px; align-items: start; }
.steps { margin: 0; padding: 0; list-style: none; counter-reset: step; }
.steps li { counter-increment: step; position: relative; padding: 0 0 22px 48px; color: var(--ink-2); }
.steps li::before { content: counter(step); position: absolute; left: 0; top: 0; width: 30px; height: 30px; border-radius: 50%; background: #fff; border: 1px solid var(--line); color: var(--accent); font-weight: 700; font-size: 14px; display: grid; place-items: center; }
.steps strong { color: var(--ink); }
.quote { background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: var(--radius); padding: 28px; }
.quote p { margin: 0; font-size: 21px; font-weight: 600; line-height: 1.4; }
.quote .quote-by { margin-top: 16px; font-size: 15px; font-weight: 400; color: var(--muted); line-height: 1.6; }

/* Contacto */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-list { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: var(--radius); }
.contact-list li { display: flex; justify-content: space-between; gap: 16px; padding: 18px 22px; border-bottom: 1px solid var(--line); }
.contact-list li:last-child { border-bottom: 0; }
.contact-list span { color: var(--muted); }
.contact-list a { font-weight: 600; }

/* Pie */
.foot { background: var(--ink); color: #94A3B8; padding: 48px 0 28px; font-size: 14px; }
.foot-row { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.foot-row p { margin: 12px 0 0; }
.foot a { color: #CBD5E1; }
.foot-nav { display: flex; gap: 22px; flex-wrap: wrap; align-items: flex-start; }
.foot-legal { margin-top: 32px; padding-top: 20px; border-top: 1px solid #1E293B; font-size: 13px; color: #64748B; }

/* Teléfono y tableta */
@media (max-width: 900px) {
  .modules { grid-template-columns: 1fr 1fr; }
  .module-live { grid-column: span 2; grid-template-columns: 1fr; }
  .module-live p:last-child { grid-column: 1; grid-row: auto; margin-top: 12px; }
  .two-col, .contact { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .nav a:not(.btn) { display: none; }
  .brand img { width: 124px; }
  .hero { padding: 64px 0 56px; }
  .promises { grid-template-columns: 1fr; gap: 28px; }
  .modules { grid-template-columns: 1fr; }
  .module-live { grid-column: span 1; }
  .section { padding: 64px 0; }
  .contact-list li { flex-direction: column; gap: 2px; }
}