/* Landing — Juan Pablo Alegre (rediseño v4, octubre 2026)
   Fuentes autohospedadas (Manrope títulos, Inter texto), JS propio mínimo, sin CDN.
   Tokens de marca: brand/IDENTIDAD.md. Modo claro y oscuro. */

@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("assets/fonts/manrope-latin-wght-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("assets/fonts/inter-latin-wght-normal.woff2") format("woff2");
}

/* ── Tokens ── */
:root {
  color-scheme: light;
  --brand: #1b2a4a;
  --brand-2: #13203a;
  --accent: #2aa198;
  --accent-ink: #1f7d76;
  --accent-hover: #17605b;
  --accent-soft: rgba(42, 161, 152, 0.12);
  --accent-line: rgba(42, 161, 152, 0.35);

  --titulo: #1b2a4a;
  --ink: #1c2530;
  --texto: #3d4752;
  --muted: #667085;
  --faint: #8a94a3;
  --border: #e4e7ec;
  --border-fuerte: #d0d5dd;
  --bg: #ffffff;
  --bg-suave: #f7f8fa;
  --surface: #ffffff;
  --surface-2: #f2f4f7;
  --good: #1c7c4a;
  --bad: #b02a37;

  --btn-bg: #1b2a4a;
  --btn-fg: #ffffff;
  --btn-bg-hover: #13203a;

  --oscura-bg: #1b2a4a;
  --oscura-bg-2: #13203a;
  --oscura-fg: #ffffff;
  --oscura-fg-2: rgba(255, 255, 255, 0.78);
  --oscura-card: rgba(255, 255, 255, 0.06);
  --oscura-border: rgba(255, 255, 255, 0.14);

  --sombra: 0 30px 60px -32px rgba(27, 42, 74, 0.45), 0 2px 6px rgba(27, 42, 74, 0.06);
  --sombra-chica: 0 1px 2px rgba(27, 42, 74, 0.06), 0 8px 24px -16px rgba(27, 42, 74, 0.25);

  --font-titulo: "Manrope", "Segoe UI", system-ui, sans-serif;
  --font-texto: "Inter", "Segoe UI", system-ui, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", Consolas, monospace;
  --radio: 14px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --accent-ink: #3fc1b5;
    --accent-hover: #6ad3c9;
    --accent-soft: rgba(63, 193, 181, 0.14);
    --accent-line: rgba(63, 193, 181, 0.4);
    --titulo: #f2f5fa;
    --ink: #e6eaf2;
    --texto: #c3cad8;
    --muted: #98a2b3;
    --faint: #7b8597;
    --border: #243049;
    --border-fuerte: #31405e;
    --bg: #0f1726;
    --bg-suave: #121c2e;
    --surface: #16213a;
    --surface-2: #1b2742;
    --good: #4cc38a;
    --bad: #f0707b;
    --btn-bg: #3fc1b5;
    --btn-fg: #0f1726;
    --btn-bg-hover: #6ad3c9;
    --oscura-bg: #16213a;
    --oscura-bg-2: #121c2e;
    --oscura-card: rgba(255, 255, 255, 0.04);
    --oscura-border: rgba(255, 255, 255, 0.1);
    --sombra: 0 30px 60px -30px rgba(0, 0, 0, 0.7);
    --sombra-chica: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px -16px rgba(0, 0, 0, 0.6);
  }
  :root:not([data-theme="light"]) .ico-sun { display: block; }
  :root:not([data-theme="light"]) .ico-moon { display: none; }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --accent-ink: #3fc1b5;
  --accent-hover: #6ad3c9;
  --accent-soft: rgba(63, 193, 181, 0.14);
  --accent-line: rgba(63, 193, 181, 0.4);
  --titulo: #f2f5fa;
  --ink: #e6eaf2;
  --texto: #c3cad8;
  --muted: #98a2b3;
  --faint: #7b8597;
  --border: #243049;
  --border-fuerte: #31405e;
  --bg: #0f1726;
  --bg-suave: #121c2e;
  --surface: #16213a;
  --surface-2: #1b2742;
  --good: #4cc38a;
  --bad: #f0707b;
  --btn-bg: #3fc1b5;
  --btn-fg: #0f1726;
  --btn-bg-hover: #6ad3c9;
  --oscura-bg: #16213a;
  --oscura-bg-2: #121c2e;
  --oscura-card: rgba(255, 255, 255, 0.04);
  --oscura-border: rgba(255, 255, 255, 0.1);
  --sombra: 0 30px 60px -30px rgba(0, 0, 0, 0.7);
  --sombra-chica: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px -16px rgba(0, 0, 0, 0.6);
}
:root[data-theme="dark"] .ico-sun { display: block; }
:root[data-theme="dark"] .ico-moon { display: none; }

/* ── Base ── */
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-texto);
  color: var(--ink);
  background: var(--bg);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--accent-ink); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 2px solid var(--accent-ink); outline-offset: 3px; border-radius: 4px; }
img, svg { max-width: 100%; display: block; }
ul, ol { padding: 0; }
h1, h2, h3 { font-family: var(--font-titulo); color: var(--titulo); letter-spacing: -0.02em; text-wrap: balance; }
p { text-wrap: pretty; }
b, strong { font-weight: 700; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 40px; }

.skip {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--btn-bg); color: var(--btn-fg); padding: 10px 14px; border-radius: 8px;
  font-weight: 600; text-decoration: none; transition: top 0.15s;
}
.skip:focus { top: 16px; }

/* ── Reveal (solo con JS) ── */
html.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.65s ease, transform 0.65s ease; }
html.js .reveal.is-visible { opacity: 1; transform: none; }

/* ── Nav ── */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.nav--scrolled { border-bottom-color: var(--border); box-shadow: 0 1px 0 rgba(0, 0, 0, 0.02); }
.nav-bar { display: flex; align-items: center; gap: 14px; padding-top: 14px; padding-bottom: 14px; }
.nav-brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }
.nav-logo { width: 32px; height: 32px; border-radius: 8px; flex: none; }
.nav-marca { font-family: var(--font-titulo); font-size: 16px; font-weight: 700; color: var(--titulo); letter-spacing: -0.01em; white-space: nowrap; }
.nav-links { margin-left: auto; display: flex; align-items: center; gap: 28px; font-size: 15px; }
.nav-links a { color: var(--muted); text-decoration: none; white-space: nowrap; font-weight: 500; position: relative; padding: 4px 0; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--accent-ink); border-radius: 2px; transform: scaleX(0); transform-origin: left; transition: transform 0.2s;
}
.nav-links a:hover, .nav-links a.is-active { color: var(--titulo); }
.nav-links a.is-active::after { transform: scaleX(1); }
.nav-links .nav-cta {
  color: var(--btn-fg); background: var(--btn-bg); font-weight: 600; padding: 9px 16px; border-radius: 8px;
}
.nav-links .nav-cta:hover { background: var(--btn-bg-hover); color: var(--btn-fg); }
.nav-links .nav-cta::after { display: none; }

.theme-toggle {
  display: inline-grid; place-items: center; width: 38px; height: 38px;
  border: 1px solid var(--border); border-radius: 10px; background: var(--surface);
  color: var(--muted); cursor: pointer; padding: 0;
}
.theme-toggle:hover { color: var(--titulo); border-color: var(--border-fuerte); }
.theme-toggle svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.ico-sun { display: none; }

.nav-toggle {
  display: none; margin-left: auto; width: 42px; height: 42px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--surface); cursor: pointer; padding: 10px; flex-direction: column; justify-content: space-between;
}
.nav-toggle span { display: block; height: 2px; background: var(--titulo); border-radius: 2px; transition: transform 0.2s, opacity 0.2s; }
.nav--open .nav-toggle span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.nav--open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav--open .nav-toggle span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* ── Tipografía común ── */
.eyebrow {
  font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent-ink); margin-bottom: 18px;
}
h2 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.15; font-weight: 700; }
.cabecera { max-width: 46rem; margin-bottom: 56px; }
.cabecera .bajada { margin-top: 18px; }
.bajada { font-size: 18px; color: var(--texto); max-width: 42rem; }

/* ── Botones ── */
.btn {
  display: inline-block; background: var(--btn-bg); color: var(--btn-fg); text-decoration: none;
  font-weight: 600; font-size: 16px; padding: 14px 26px; border-radius: 10px; text-align: center;
  transition: background 0.15s, transform 0.15s;
}
.btn:hover { background: var(--btn-bg-hover); color: var(--btn-fg); transform: translateY(-1px); }
.btn--grande { font-size: 17px; padding: 16px 28px; }
.btn-borde {
  display: inline-block; border: 1px solid var(--border-fuerte); color: var(--titulo); text-decoration: none;
  font-weight: 600; font-size: 16px; padding: 13px 22px; border-radius: 10px; text-align: center; background: transparent;
  transition: border-color 0.15s, background 0.15s;
}
.btn-borde:hover { border-color: var(--accent-ink); color: var(--accent-ink); background: var(--accent-soft); }

/* ── Hero ── */
.hero { position: relative; overflow: hidden; }
.hero-corte {
  position: absolute; left: 0; right: 0; bottom: 0; height: 42%; pointer-events: none;
  background: linear-gradient(100deg, var(--accent-soft), transparent 65%);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}
.hero-grid {
  position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 64px; align-items: center; padding-top: 88px; padding-bottom: 104px;
}
h1 {
  font-size: clamp(32px, 3.9vw, 50px); line-height: 1.1; font-weight: 800; margin-bottom: 24px;
}
h1 em { font-style: normal; color: var(--accent-ink); }
.lead { font-size: 19px; color: var(--texto); margin-bottom: 32px; max-width: 36rem; }
.hero-cta { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-bottom: 44px; }
.pilares { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; border-top: 1px solid var(--border); padding-top: 24px; max-width: 40rem; }
.pilares li { display: flex; flex-direction: column; gap: 6px; }
.pilares strong { font-family: var(--font-titulo); font-size: 15px; font-weight: 800; color: var(--titulo); letter-spacing: 0.02em; text-transform: uppercase; padding-left: 12px; position: relative; }
.pilares strong::before { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 4px; height: 14px; border-radius: 2px; background: var(--accent-ink); }
.pilares span { font-size: 13.5px; color: var(--muted); line-height: 1.45; }

.hero-fig {
  background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 22px;
  box-shadow: var(--sombra);
}
.hero-fig svg { width: 100%; height: auto; }
.hero-fig figcaption { margin-top: 14px; font-size: 14px; color: var(--muted); text-align: center; }
.nodo rect { fill: var(--surface-2); stroke: var(--border-fuerte); stroke-width: 1.2; }
.nodo--fuente rect { fill: var(--bg-suave); stroke: var(--border); }
.nodo--core rect { fill: var(--surface); stroke: var(--titulo); stroke-width: 1.6; }
.nodo--ia rect { fill: var(--accent-soft); stroke: var(--accent-ink); stroke-width: 1.6; }
.nodo-t { font-family: var(--font-titulo); font-size: 14.5px; font-weight: 700; fill: var(--titulo); }
.nodo-s { font-family: var(--font-texto); font-size: 11.5px; fill: var(--muted); }
.nodo-t--c, .nodo-s--c { text-anchor: middle; }
.orbita { fill: none; stroke: var(--border); stroke-width: 1.2; stroke-dasharray: 3 6; }
.orbita--int { stroke: var(--accent-line); stroke-dasharray: none; stroke-width: 1; opacity: 0.7; }
.radio { stroke: var(--border-fuerte); stroke-width: 1.4; }
.monograma { font-family: var(--font-titulo); font-size: 34px; font-weight: 800; letter-spacing: -0.04em; fill: #ffffff; text-anchor: middle; }

/* ── Bandas ── */
.banda { border-top: 1px solid var(--border); }
.banda .wrap { padding-top: 104px; padding-bottom: 104px; }
.banda--suave { background: var(--bg-suave); }

/* ── Casos ── */
.caso {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 64px; align-items: center;
  padding: 0 0 96px;
}
.caso + .caso { border-top: 1px solid var(--border); padding-top: 96px; }
.caso--inv .caso-texto { order: 2; }
.caso-chip {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 18px;
}
.punto { width: 8px; height: 8px; border-radius: 50%; background: var(--good); box-shadow: 0 0 0 4px color-mix(in srgb, var(--good) 20%, transparent); }
.punto--teal { background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.caso h3 { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.2; font-weight: 700; margin-bottom: 16px; }
.caso-texto > p { color: var(--texto); margin-bottom: 22px; }
.caso-puntos { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 26px; }
.caso-puntos li { position: relative; padding-left: 26px; color: var(--texto); font-size: 16px; }
.caso-puntos li::before {
  content: ""; position: absolute; left: 0; top: 9px; width: 12px; height: 8px;
  border-left: 2px solid var(--accent-ink); border-bottom: 2px solid var(--accent-ink); transform: rotate(-45deg);
}
.tags { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li {
  font-size: 13px; font-weight: 500; color: var(--texto); background: var(--surface-2);
  border: 1px solid var(--border); padding: 5px 11px; border-radius: 999px; white-space: nowrap;
}

/* ── Mocks ── */
.mock {
  background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 20px 22px 22px;
  box-shadow: var(--sombra); font-variant-numeric: tabular-nums;
  transform: rotate(-1.2deg); transition: transform 0.4s ease;
}
.caso--inv .mock { transform: rotate(1.2deg); }
.caso:hover .mock { transform: rotate(0); }
.mock-top { display: flex; align-items: center; gap: 6px; margin-bottom: 18px; }
.mock-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--border-fuerte); }
.mock-titulo { margin-left: 10px; font-family: var(--font-titulo); font-weight: 700; font-size: 14px; color: var(--titulo); }
.mock-kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 18px; }
.mock-kpis div { background: var(--bg-suave); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; min-width: 0; }
.mock-kpis small { display: block; font-size: 11px; color: var(--muted); margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mock-kpis b { font-family: var(--font-titulo); font-size: 19px; font-weight: 800; color: var(--titulo); letter-spacing: -0.02em; }
.mock-kpis b.pos { color: var(--good); }
.mock-kpis b.neg { color: var(--bad); }
.mock-barras { display: flex; align-items: flex-end; gap: 6px; height: 104px; padding: 0 2px 10px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.mock-barras i {
  flex: 1; height: var(--h); background: color-mix(in srgb, var(--titulo) 22%, transparent); border-radius: 4px 4px 2px 2px;
  transform-origin: bottom; transition: transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.mock-barras i.hoy { background: var(--accent-ink); }
html.js .reveal:not(.is-visible) .mock-barras i { transform: scaleY(0.08); }
.mock-chat { display: flex; flex-direction: column; gap: 8px; font-size: 13.5px; line-height: 1.45; }
.mock-q { align-self: flex-end; background: var(--btn-bg); color: var(--btn-fg); padding: 8px 12px; border-radius: 12px 12px 3px 12px; max-width: 85%; }
.mock-a { align-self: flex-start; background: var(--bg-suave); border: 1px solid var(--border); color: var(--texto); padding: 8px 12px; border-radius: 12px 12px 12px 3px; max-width: 92%; }
.mock-fuente { display: block; margin-top: 6px; font-size: 11.5px; color: var(--accent-ink); font-weight: 600; }
.mock-grilla { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; margin-bottom: 8px; }
.mock-grilla span { aspect-ratio: 1; border-radius: 6px; background: var(--accent); }
.mock-grilla .g1 { opacity: 0.12; } .mock-grilla .g2 { opacity: 0.28; } .mock-grilla .g3 { opacity: 0.46; } .mock-grilla .g4 { opacity: 0.66; } .mock-grilla .g5 { opacity: 0.92; }
.mock-leyenda { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; font-size: 11px; color: var(--muted); text-align: center; }

.caso-link { display: inline-block; margin-top: 22px; font-weight: 600; color: var(--titulo); text-decoration: none; }
.caso-link::after { content: " ↗"; color: var(--accent-ink); }
.caso-link:hover { color: var(--accent-ink); }

/* ── Además (trayectoria amplia) ── */
.ademas { border-top: 1px solid var(--border); padding-top: 64px; padding-bottom: 64px; }
.ademas-cab { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 20px 48px; align-items: baseline; margin-bottom: 36px; }
.ademas-cab h3 { font-size: 22px; font-weight: 700; }
.ademas-cab p { color: var(--muted); font-size: 16px; }
.ademas-lista { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px 32px; }
.ademas-lista li { display: flex; flex-direction: column; gap: 6px; padding-left: 18px; border-left: 2px solid var(--accent-line); }
.ademas-lista strong { font-family: var(--font-titulo); font-size: 16.5px; font-weight: 700; color: var(--titulo); }
.ademas-lista span { font-size: 15px; color: var(--texto); }

/* ── Código abierto ── */
.abierto { border-top: 1px solid var(--border); padding-top: 64px; }
.abierto-cab { display: flex; align-items: baseline; gap: 20px; flex-wrap: wrap; margin-bottom: 28px; }
.abierto-cab h3 { font-size: 22px; font-weight: 700; }
.abierto-cab p { color: var(--muted); font-size: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.repo {
  display: flex; flex-direction: column; gap: 12px; padding: 24px; border: 1px solid var(--border); border-radius: var(--radio);
  background: var(--surface); text-decoration: none; color: inherit; box-shadow: var(--sombra-chica);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.repo:hover { transform: translateY(-3px); border-color: var(--accent-line); color: inherit; box-shadow: var(--sombra); }
.repo-nombre { font-family: var(--font-mono); font-size: 15px; font-weight: 600; color: var(--accent-ink); }
.repo p { font-size: 15px; color: var(--texto); flex: 1; }
.repo-link { font-size: 14px; font-weight: 600; color: var(--titulo); }
.repo-link::after { content: " ↗"; color: var(--accent-ink); }

/* ── Capacitaciones (banda oscura) ── */
.banda--oscura { background: linear-gradient(160deg, var(--oscura-bg), var(--oscura-bg-2)); border-top: 0; position: relative; overflow: hidden; }
.banda--oscura::before {
  content: ""; position: absolute; right: -10%; top: -30%; width: 55%; height: 160%;
  background: radial-gradient(closest-side, rgba(42, 161, 152, 0.18), transparent); pointer-events: none;
}
.banda--oscura .wrap { position: relative; }
.cabecera--clara h2 { color: var(--oscura-fg); }
.cabecera--clara .bajada { color: var(--oscura-fg-2); }
.cabecera--clara .eyebrow { color: #5fd1c5; }
.niveles { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: nivel; }
.nivel {
  position: relative; background: var(--oscura-card); border: 1px solid var(--oscura-border); border-radius: var(--radio);
  padding: 30px 28px 28px; display: flex; flex-direction: column; gap: 12px;
  transition: border-color 0.2s, background 0.2s;
}
.nivel:hover { border-color: rgba(95, 209, 197, 0.6); background: rgba(255, 255, 255, 0.09); }
.nivel-num { font-family: var(--font-titulo); font-size: 40px; font-weight: 800; letter-spacing: -0.04em; color: #5fd1c5; line-height: 1; }
.nivel h3 { color: var(--oscura-fg); font-size: 21px; font-weight: 700; }
.nivel p { color: var(--oscura-fg-2); font-size: 16px; flex: 1; }
.nivel-para { font-size: 13px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: #5fd1c5; }

/* ── Enfoque ── */
.principios { gap: 40px; margin-bottom: 72px; }
.principio h3 { font-size: 21px; font-weight: 700; margin-bottom: 12px; padding-top: 18px; position: relative; }
.principio h3::before { content: ""; position: absolute; top: 0; left: 0; width: 36px; height: 3px; background: var(--accent-ink); border-radius: 2px; }
.principio p { color: var(--texto); font-size: 16px; }
.stack { border-top: 1px solid var(--border); padding-top: 48px; }
.stack-titulo { font-size: 14px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 24px; font-family: var(--font-texto); }
.stack-grupos { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.stack-cat { display: block; font-family: var(--font-titulo); font-size: 15px; font-weight: 700; color: var(--titulo); margin-bottom: 12px; }

/* ── Certificaciones ── */
.certs { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cert {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radio); padding: 26px;
  display: flex; flex-direction: column; gap: 10px; box-shadow: var(--sombra-chica);
}
.cert-nivel {
  align-self: flex-start; font-size: 12.5px; font-weight: 700; letter-spacing: 0.04em; color: var(--muted);
  border: 1px solid var(--border-fuerte); border-radius: 6px; padding: 3px 9px; font-variant-numeric: tabular-nums;
}
.cert h3 { font-size: 18px; font-weight: 700; line-height: 1.3; }
.cert p { font-size: 15px; color: var(--texto); flex: 1; }
.cert-emisor { font-size: 13px; font-weight: 600; color: var(--muted); display: inline-flex; align-items: center; gap: 8px; }
.cert-emisor::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.cert--expert { grid-column: span 2; border-color: var(--accent-line); background: linear-gradient(135deg, var(--accent-soft), var(--surface) 55%); }
.cert--expert .cert-nivel { color: var(--btn-fg); background: var(--btn-bg); border-color: var(--btn-bg); }
.cert--expert h3 { font-size: 22px; }
.cert--badge { grid-column: span 2; border-color: var(--accent-line); }
.cert--badge .cert-nivel { color: var(--accent-ink); border-color: var(--accent-line); background: var(--accent-soft); }

/* ── Contacto ── */
.banda--contacto { background: var(--bg); }
.contacto {
  display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr); gap: 56px; align-items: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  border-radius: 24px; padding: 64px !important; margin-top: 104px; margin-bottom: 104px;
  position: relative; overflow: hidden;
}
.banda--contacto .wrap.contacto { padding-top: 64px; padding-bottom: 64px; }
.contacto::after {
  content: ""; position: absolute; right: 0; bottom: 0; width: 60%; height: 55%;
  background: linear-gradient(100deg, rgba(42, 161, 152, 0.25), transparent 70%);
  clip-path: polygon(0 100%, 100% 0, 100% 100%); pointer-events: none;
}
.contacto > * { position: relative; }
.contacto .eyebrow { color: #5fd1c5; }
.contacto h2 { color: #ffffff; font-size: clamp(24px, 3vw, 34px); margin-bottom: 14px; }
.contacto .bajada { color: rgba(255, 255, 255, 0.78); font-size: 17px; }
.contacto-acciones { display: flex; flex-direction: column; gap: 12px; }
.contacto .btn--grande { background: #ffffff; color: var(--brand); }
.contacto .btn--grande:hover { background: #e9f6f4; color: var(--brand); }
.contacto-redes { display: flex; gap: 12px; }
.contacto-redes .btn-borde { flex: 1; border-color: rgba(255, 255, 255, 0.35); color: #ffffff; }
.contacto-redes .btn-borde:hover { border-color: #5fd1c5; color: #5fd1c5; background: rgba(255, 255, 255, 0.06); }

/* ── Pie ── */
footer { border-top: 1px solid var(--border); background: var(--bg-suave); }
.pie {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px 28px;
  padding-top: 28px; padding-bottom: 28px; font-size: 14px; color: var(--muted);
}
.pie-marca { display: inline-flex; align-items: center; gap: 10px; color: var(--texto); font-weight: 500; }
.pie-marca img { border-radius: 6px; }
.pie-nota { color: var(--faint); }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; padding-top: 64px; padding-bottom: 80px; }
  .hero-fig { max-width: 560px; }
  .caso { grid-template-columns: 1fr; gap: 40px; padding-bottom: 72px; }
  .caso + .caso { padding-top: 72px; }
  .caso--inv .caso-texto { order: 0; }
  .caso-visual { max-width: 560px; }
  .mock, .caso--inv .mock { transform: none; }
  .certs { grid-template-columns: repeat(2, 1fr); }
  .cert--badge { grid-column: span 1; }
  .banda .wrap { padding-top: 80px; padding-bottom: 80px; }
  .contacto { grid-template-columns: 1fr; gap: 32px; padding: 48px !important; margin-top: 80px; margin-bottom: 80px; }
}
@media (max-width: 900px) {
  .grid-3, .niveles, .principios { grid-template-columns: 1fr; }
  .pilares { grid-template-columns: repeat(2, 1fr); }
  .ademas-cab { grid-template-columns: 1fr; gap: 8px; }
  .ademas-lista { grid-template-columns: repeat(2, 1fr); }
  .niveles { gap: 16px; }
  .stack-grupos { grid-template-columns: repeat(2, 1fr); }
  .principios { gap: 32px; margin-bottom: 56px; }
}
@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 4px;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: 12px 20px 18px; box-shadow: var(--sombra-chica);
  }
  .nav--open .nav-links { display: flex; }
  .nav-links a { padding: 12px 8px; font-size: 16px; border-radius: 8px; }
  .nav-links a::after { display: none; }
  .nav-links a.is-active { background: var(--surface-2); }
  .nav-links .nav-cta { text-align: center; margin-top: 6px; }
  .theme-toggle { align-self: flex-start; margin-top: 10px; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding: 0 20px; }
  .hero-grid { padding-top: 48px; padding-bottom: 64px; }
  .lead { font-size: 17.5px; }
  .hero-cta .btn, .hero-cta .btn-borde { flex: 1; }
  .pilares { gap: 16px; }
  .ademas-lista { grid-template-columns: 1fr; gap: 20px; }
  .ademas { padding-top: 48px; padding-bottom: 48px; }
  .hero-fig { padding: 14px; border-radius: 16px; }
  .banda .wrap { padding-top: 64px; padding-bottom: 64px; }
  .cabecera { margin-bottom: 40px; }
  .caso { padding-bottom: 56px; }
  .caso + .caso { padding-top: 56px; }
  .mock { padding: 16px; }
  .mock-kpis { gap: 8px; }
  .mock-kpis div { padding: 8px 10px; }
  .mock-kpis b { font-size: 16px; }
  .certs { grid-template-columns: 1fr; }
  .cert--expert { grid-column: auto; }
  .contacto { padding: 32px 24px !important; border-radius: 18px; margin-top: 64px; margin-bottom: 64px; }
  .contacto-redes { flex-direction: column; }
  .pie { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .stack-grupos { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: stretch; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  html.js .reveal:not(.is-visible) .mock-barras i { transform: none; }
  .mock, .caso--inv .mock { transform: none; transition: none; }
  .repo, .btn { transition: none; }
}