/* ═══════════════════════════════════════════════════════════════
   ZRN360° Landing — Design System
   Ink navy + brand gradient (cyan→blue→violet) + amber accent
   Typography: Plus Jakarta Sans (display) / Inter (body) / IBM Plex Mono (data)
   ═══════════════════════════════════════════════════════════════ */

:root {
  --ink: #0B1120;
  --ink-2: #0E172B;
  --ink-3: #13203A;
  --paper: #F5F7FB;
  --white: #FFFFFF;

  --text: #E9EDF5;
  --muted: #9AA7BD;
  --muted-2: #66738C;
  --text-dark: #0F172A;
  --muted-dark: #4B5870;

  --cyan: #22D3EE;
  --blue: #3B82F6;
  --violet: #A855F7;
  --amber: #FBBF24;

  --grad: linear-gradient(90deg, #22D3EE 0%, #3B82F6 52%, #A855F7 100%);
  --grad-soft: linear-gradient(135deg, rgba(34,211,238,.14), rgba(59,130,246,.14) 50%, rgba(168,85,247,.14));

  --line: rgba(255,255,255,.09);
  --line-dark: rgba(11,17,32,.10);

  --font-display: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --radius: 18px;
  --max: 1180px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--ink);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

::selection { background: rgba(34,211,238,.28); }

.container { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }

/* ── Type utilities ── */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.display {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: 1.08;
  color: inherit;
}

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  padding: 13px 22px;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
.btn-primary { background: var(--grad); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(59,130,246,.35); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: rgba(34,211,238,.5); color: #fff; }
.btn-ghost-dark { background: transparent; color: var(--text-dark); border-color: var(--line-dark); }
.btn-ghost-dark:hover { border-color: rgba(59,130,246,.45); }

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(11,17,32,.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 800; font-size: 19px; letter-spacing: -.01em; }
.brand img { height: 34px; width: auto; }
.nav { display: flex; align-items: center; gap: 26px; font-size: 14px; font-weight: 500; color: var(--muted); }
.nav a:hover { color: #fff; }
.nav .lang { font-family: var(--font-mono); font-size: 12px; border: 1px solid var(--line); border-radius: 8px; padding: 5px 10px; color: var(--muted); }
.nav .lang:hover { color: #fff; border-color: rgba(34,211,238,.5); }
.menu-btn { display: none; background: none; border: 1px solid var(--line); border-radius: 10px; color: var(--text); padding: 8px 12px; cursor: pointer; }

/* ── Hero ── */
.hero { position: relative; overflow: hidden; padding: 96px 0 84px; }
.hero::before {
  content: "";
  position: absolute; inset: -40% -20% auto;
  height: 120%;
  background:
    radial-gradient(600px 420px at 22% 0%, rgba(34,211,238,.16), transparent 60%),
    radial-gradient(700px 520px at 82% 10%, rgba(168,85,247,.16), transparent 60%);
  pointer-events: none;
}
.hero .container { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(40px, 5.4vw, 66px); margin: 18px 0 20px; color: #fff; }
.hero .lede { font-size: 18px; color: var(--muted); max-width: 540px; }
.hero-ctas { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 34px; margin-top: 48px; flex-wrap: wrap; }
.stat .num { font-family: var(--font-mono); font-size: 26px; font-weight: 500; color: #fff; }
.stat .lbl { font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-2); margin-top: 4px; }
.markets { font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; color: var(--muted); margin-top: 26px; }

/* ── Radar (signature) ── */
.radar-wrap { position: relative; aspect-ratio: 1; max-width: 500px; margin: 0 auto; width: 100%; }
.radar { width: 100%; height: 100%; }
.radar g.rot { transform-box: view-box; transform-origin: 100px 100px; }
.radar .ring-dash { animation: spin 46s linear infinite; }
.radar .ring-dash-2 { animation: spinRev 30s linear infinite; }
.radar .orbit-a { animation: spin 14s linear infinite; }
.radar .orbit-b { animation: spinRev 22s linear infinite; }
.radar .orbit-c { animation: spin 36s linear infinite; }
/* El barrido lo mueve JS (rAF) para sincronizar la visibilidad de los nombres */
.radar .lbl { transition: opacity .22s linear; }
.radar .core-pulse { animation: corePulse 3.2s ease-in-out infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes spinRev { to { transform: rotate(-360deg); } }
@keyframes corePulse {
  0%, 100% { opacity: .85; }
  50% { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .radar .ring-dash, .radar .ring-dash-2, .radar .orbit-a, .radar .orbit-b,
  .radar .orbit-c, .radar .core-pulse { animation: none; }
}

/* ── Trust strip ── */
.trust { border-block: 1px solid var(--line); background: rgba(255,255,255,.02); }
.trust .container { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; padding: 26px 0; }
.trust-item { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--muted); }
.trust-item .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--grad); flex-shrink: 0; }

/* ── Sections ── */
.section { padding: 96px 0; }
.section.dark { background: var(--ink); }
.section.light { background: var(--paper); color: var(--text-dark); }
.section-head { max-width: 680px; margin-bottom: 52px; }
.section-head h2 { font-size: clamp(30px, 3.6vw, 44px); margin-top: 14px; }
.section.light .section-head h2 { color: var(--text-dark); }
.section-head .lede { margin-top: 14px; font-size: 16.5px; }
.section.light .section-head .lede { color: var(--muted-dark); }

/* ── Module grid ── */
.mod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.mod-card {
  background: var(--white);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform .18s ease, box-shadow .18s ease;
}
.mod-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(11,17,32,.09); }
.mod-card .icon {
  width: 42px; height: 42px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--grad-soft); color: var(--blue);
  margin-bottom: 16px;
}
.mod-card h3 { font-family: var(--font-display); font-size: 17px; font-weight: 800; color: var(--text-dark); margin-bottom: 8px; }
.mod-card p { font-size: 13.5px; color: var(--muted-dark); }
.mod-card ul { margin-top: 12px; }
.mod-card ul li { font-size: 12.5px; color: var(--muted-dark); padding: 4px 0 4px 18px; position: relative; }
.mod-card ul li::before { content: ""; position: absolute; left: 0; top: 11px; width: 6px; height: 6px; border-radius: 50%; background: var(--grad); }
.mod-card .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.mod-card .tag {
  font-family: var(--font-mono); font-size: 10.5px; color: var(--muted-dark);
  background: #EEF2F8; border: 1px solid var(--line-dark); border-radius: 6px; padding: 3px 7px;
}

/* ── AI grid ── */
.ai-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.ai-card {
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  position: relative;
  overflow: hidden;
}
.ai-card::after {
  content: ""; position: absolute; top: -40px; right: -40px; width: 130px; height: 130px;
  background: radial-gradient(circle, rgba(168,85,247,.16), transparent 70%);
  pointer-events: none;
}
.ai-card h3 { font-family: var(--font-display); font-size: 16px; font-weight: 800; margin: 14px 0 8px; color: #fff; }
.ai-card p { font-size: 13.5px; color: var(--muted); }

/* ── Verticals ── */
.vert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.vert-card {
  background: var(--white);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 28px 26px;
}
.vert-card h3 { font-family: var(--font-display); font-size: 18px; font-weight: 800; color: var(--text-dark); margin-bottom: 10px; }
.vert-card ul li { font-size: 13.5px; color: var(--muted-dark); padding: 6px 0 6px 20px; position: relative; }
.vert-card ul li::before {
  content: ""; position: absolute; left: 0; top: 13px;
  width: 7px; height: 7px; border-radius: 50%; background: var(--grad);
}

/* ── Partner cards ── */
.part-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.part-card {
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  display: flex;
  flex-direction: column;
}
.part-card.hl { border-color: rgba(34,211,238,.35); }
.part-card h3 { font-family: var(--font-display); font-size: 22px; font-weight: 800; color: #fff; margin: 14px 0 6px; }
.part-card .sub { font-family: var(--font-mono); font-size: 12px; color: var(--amber); letter-spacing: .1em; text-transform: uppercase; }
.part-card p { font-size: 14px; color: var(--muted); margin-top: 8px; }
.part-card ul { margin: 16px 0 24px; }
.part-card ul li { font-size: 13.5px; color: var(--muted); padding: 5px 0 5px 22px; position: relative; }
.part-card ul li::before { content: "✓"; position: absolute; left: 0; color: var(--cyan); font-weight: 700; }
.part-card .btn { margin-top: auto; }
.part-single { grid-template-columns: 1fr; max-width: 620px; margin: 0 auto; }

/* ── FAQ ── */
.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  background: var(--white);
  border: 1px solid var(--line-dark);
  border-radius: 14px;
  margin-bottom: 12px;
  padding: 0 22px;
}
.faq summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  color: var(--text-dark);
  padding: 18px 0;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); color: var(--blue); font-size: 20px; }
.faq details[open] summary::after { content: "–"; }
.faq details p { font-size: 14px; color: var(--muted-dark); padding: 0 0 18px; }

/* ── CTA band ── */
.cta-band { position: relative; overflow: hidden; padding: 84px 0; }
.cta-band .container { text-align: center; position: relative; }
.cta-band h2 { font-size: clamp(30px, 4vw, 46px); color: #fff; }
.cta-band p { color: var(--muted); margin: 16px auto 30px; max-width: 560px; font-size: 16px; }

/* ── Footer ── */
.site-footer { border-top: 1px solid var(--line); padding: 54px 0 34px; background: var(--ink); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px; }
.site-footer h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 16px; }
.site-footer a { display: block; font-size: 14px; color: var(--muted); padding: 4px 0; }
.site-footer a:hover { color: #fff; }
.site-footer .brandline { font-size: 14px; color: var(--muted); max-width: 300px; margin-top: 14px; }
.footer-bottom { border-top: 1px solid var(--line); margin-top: 44px; padding-top: 22px; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: 12.5px; color: var(--muted-2); }

/* ── Forms (partners / login) ── */
.form-card {
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  max-width: 520px;
}
.field { margin-bottom: 16px; }
.field label { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 7px; }
.field input, .field select {
  width: 100%;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: #fff;
  font-family: var(--font-body);
  font-size: 15px;
  padding: 12px 14px;
  outline: none;
}
.field input:focus { border-color: rgba(34,211,238,.55); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-msg { font-size: 14px; border-radius: 10px; padding: 12px 14px; margin-top: 14px; display: none; }
.form-msg.ok { display: block; background: rgba(16,185,129,.12); border: 1px solid rgba(16,185,129,.4); color: #6EE7B7; }
.form-msg.err { display: block; background: rgba(239,68,68,.12); border: 1px solid rgba(239,68,68,.4); color: #FCA5A5; }

/* ── Portal ── */
.portal-wrap { padding: 64px 0; }
.portal-grid { display: grid; grid-template-columns: 280px 1fr; gap: 28px; align-items: start; }
.portal-side { background: var(--ink-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; }
.portal-side h3 { font-family: var(--font-display); font-size: 16px; font-weight: 800; color: #fff; margin-bottom: 4px; }
.portal-side .mail { font-size: 13px; color: var(--muted); word-break: break-all; }
.portal-main h2 { font-family: var(--font-display); font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 18px; }
.doc-row {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  background: var(--ink-2); border: 1px solid var(--line); border-radius: 14px;
  padding: 16px 18px; margin-bottom: 10px;
}
.doc-row .doc-name { font-weight: 600; font-size: 14.5px; color: #fff; }
.doc-row .doc-meta { font-family: var(--font-mono); font-size: 11px; color: var(--muted-2); margin-top: 3px; }
.doc-row .btn { padding: 9px 16px; font-size: 13px; }
.pricing-box {
  background: var(--ink-2); border: 1px solid var(--line); border-radius: 14px;
  padding: 20px; margin-top: 26px; font-size: 14px; color: var(--muted);
}
.pricing-box strong { color: #fff; }

/* ── Page hero (subpages) ── */
.page-hero { padding: 76px 0 56px; position: relative; overflow: hidden; }
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(560px 380px at 18% 0%, rgba(34,211,238,.14), transparent 60%),
    radial-gradient(640px 460px at 86% 10%, rgba(168,85,247,.14), transparent 60%);
  pointer-events: none;
}
.page-hero .container { position: relative; }
.page-hero h1 { font-size: clamp(34px, 4.6vw, 54px); margin-top: 14px; color: #fff; }
.page-hero .lede { color: var(--muted); font-size: 17px; max-width: 640px; margin-top: 14px; }

/* ── Reveal ── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .5s ease, transform .5s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ── Split grid (subpáginas) ── */
.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }
.split-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* ── Responsive ── */
@media (max-width: 1020px) {
  .hero .container { grid-template-columns: 1fr; }
  .radar-wrap { max-width: 420px; margin-top: 8px; }
  .mod-grid, .ai-grid, .vert-grid { grid-template-columns: repeat(2, 1fr); }
  .part-grid { grid-template-columns: 1fr; }
  .split-grid, .split-2 { grid-template-columns: 1fr; gap: 28px; }
  .trust .container { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .portal-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .mod-grid, .ai-grid, .vert-grid, .trust .container { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .nav { display: none; }
  .nav.open { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: rgba(11,17,32,.98); border-bottom: 1px solid var(--line); padding: 18px 24px; gap: 16px; }
  .menu-btn { display: inline-flex; }
  .hero { padding: 64px 0; }
  .section { padding: 68px 0; }
  .field-row { grid-template-columns: 1fr; }
  .hero-stats { gap: 22px; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .radar-wrap { max-width: 320px; }
  .page-hero { padding: 56px 0 44px; }
}