/* ==========================================================================
   BETT Technologies — Design System
   Sin dependencias externas (sin CDN, sin Google Fonts): fuentes del sistema
   apiladas para imitar el carácter geométrico de la brand spec aprobada.
   ========================================================================== */

:root {
  /* Color */
  --c-void: #0b0d12;
  --c-navy: #131826;
  --c-navy-2: #1a2133;
  --c-red: #ff2d42;
  --c-red-dim: #c8202f;
  --c-blue: #2d5bff;
  --c-blue-dim: #1e3fb8;
  --c-white: #f5f6fa;
  --c-slate: #8a90a2;
  --c-slate-dim: #5b6172;
  --c-border: rgba(245, 246, 250, 0.1);
  --c-glass-bg: rgba(19, 24, 38, 0.55);
  --c-glass-bg-strong: rgba(19, 24, 38, 0.78);
  --c-glass-highlight: rgba(245, 246, 250, 0.06);

  /* Type */
  --f-display: "Space Grotesk", ui-sans-serif, "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --f-body: "Inter", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Menlo, Consolas, monospace;

  /* Layout */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --container: 1200px;
  --header-h: 76px;

  /* Motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.6s;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}
body {
  margin: 0;
  background: var(--c-void);
  color: var(--c-white);
  font-family: var(--f-body);
  font-display: swap;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; margin: 0 0 0.5em; }
p { margin: 0 0 1em; color: var(--c-slate); max-width: 62ch; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; }

/* focus visible — accesibilidad AA */
:focus-visible {
  outline: 2px solid var(--c-blue);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- layout helpers ---------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; position: relative; }
@media (max-width: 768px) { .section { padding: 64px 0; } }
.eyebrow {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-blue);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--c-red); box-shadow: 0 0 12px var(--c-red); }
.section-head { max-width: 640px; margin-bottom: 56px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--c-red); color: #fff; padding: 12px 20px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- glass ---------- */
.glass {
  background: var(--c-glass-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  box-shadow: inset 0 1px 0 var(--c-glass-highlight), 0 20px 40px -20px rgba(0,0,0,0.6);
  position: relative;
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass { background: var(--c-navy-2); }
}
.glass-strong { background: var(--c-glass-bg-strong); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), backdrop-filter var(--dur) var(--ease);
}
.site-header.is-scrolled {
  background: rgba(11, 13, 18, 0.72);
  border-bottom-color: var(--c-border);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; width: 100%; }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--f-display); font-weight: 700; font-size: 1.05rem; letter-spacing: -0.01em; }
.logo svg { height: 28px; width: auto; }
.nav-desktop { display: none; align-items: center; gap: 32px; }
.nav-desktop a { font-size: 0.92rem; color: var(--c-slate); transition: color 0.25s var(--ease); position: relative; }
.nav-desktop a:hover, .nav-desktop a[aria-current="page"] { color: var(--c-white); }
.nav-desktop a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -8px; height: 2px;
  background: linear-gradient(90deg, var(--c-red), var(--c-blue));
}
@media (min-width: 900px) { .nav-desktop { display: flex; } }
.header-actions { display: flex; align-items: center; gap: 14px; }

.lang-switch { display: flex; border: 1px solid var(--c-border); border-radius: 999px; overflow: hidden; font-family: var(--f-mono); font-size: 0.72rem; }
.lang-switch a { padding: 6px 12px; color: var(--c-slate-dim); transition: all 0.2s; }
.lang-switch a[aria-current="true"] { background: var(--c-white); color: var(--c-void); }
.lang-switch a:not([aria-current="true"]):hover { color: var(--c-white); }

.nav-toggle { display: inline-flex; background: none; border: 1px solid var(--c-border); border-radius: 8px; padding: 8px; color: var(--c-white); }
@media (min-width: 900px) { .nav-toggle { display: none; } }
.nav-mobile { position: fixed; inset: var(--header-h) 0 0 0; background: rgba(11,13,18,0.98); backdrop-filter: blur(20px); z-index: 90; padding: 32px 24px; display: none; }
.nav-mobile.is-open { display: block; }
.nav-mobile a { display: block; font-family: var(--f-display); font-size: 1.5rem; padding: 14px 0; border-bottom: 1px solid var(--c-border); color: var(--c-white); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; border-radius: 999px; font-weight: 600; font-size: 0.95rem;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.3s;
  cursor: pointer; border: 1px solid transparent; will-change: transform;
}
.btn-primary { background: linear-gradient(135deg, var(--c-red), var(--c-red-dim)); color: #fff; box-shadow: 0 8px 24px -8px rgba(255,45,66,0.55); }
.btn-primary:hover { box-shadow: 0 12px 32px -8px rgba(255,45,66,0.75); }
.btn-ghost { background: var(--c-glass-bg); border-color: var(--c-border); color: var(--c-white); }
.btn-ghost:hover { border-color: var(--c-blue); }
.btn-row { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 32px; }

/* ---------- hero ---------- */
.hero { position: relative; padding-top: 72px; padding-bottom: 96px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: -1; opacity: 0.55; }
.hero-bg svg { width: 100%; height: 100%; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(90px); z-index: -1; opacity: 0.35; pointer-events: none; }
.hero-glow.red { width: 420px; height: 420px; background: var(--c-red); top: -120px; right: -80px; }
.hero-glow.blue { width: 480px; height: 480px; background: var(--c-blue); bottom: -160px; left: -120px; }
.hero-grid { display: grid; gap: 48px; align-items: center; }
@media (min-width: 980px) { .hero-grid { grid-template-columns: 1.1fr 0.9fr; } }
.hero h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); }
.hero .lede { font-size: 1.15rem; color: var(--c-white); opacity: 0.78; max-width: 46ch; }

/* consola liquida — elemento firma */
.console { padding: 24px; }
.console-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; font-family: var(--f-mono); font-size: 0.72rem; color: var(--c-slate); text-transform: uppercase; letter-spacing: 0.1em; }
.console-dots { display: flex; gap: 6px; }
.console-dots span { width: 8px; height: 8px; border-radius: 50%; background: var(--c-slate-dim); }
.console-dots span:nth-child(1) { background: var(--c-red); }
.console-dots span:nth-child(2) { background: #ffb020; }
.console-dots span:nth-child(3) { background: #2ecc71; }
.console-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.console-metric { padding: 16px; border-radius: var(--radius-sm); background: var(--c-glass-highlight); border: 1px solid var(--c-border); transition: transform 0.4s var(--ease), border-color 0.4s var(--ease); }
.console:hover .console-metric { transform: translateY(-2px); }
.console-metric:hover { border-color: var(--c-blue); }
.console-metric .val { font-family: var(--f-mono); font-size: 1.6rem; font-weight: 700; color: var(--c-white); }
.console-metric .lab { font-family: var(--f-mono); font-size: 0.68rem; color: var(--c-slate); text-transform: uppercase; letter-spacing: 0.08em; margin-top: 4px; }
.console-bar { height: 6px; border-radius: 4px; background: rgba(245,246,250,0.08); overflow: hidden; margin-top: 10px; }
.console-bar > span { display: block; height: 100%; background: linear-gradient(90deg, var(--c-blue), var(--c-red)); border-radius: 4px; transform-origin: left; transform: scaleX(0); transition: transform 1.2s var(--ease); }
.console.is-live .console-bar > span { transform: scaleX(var(--fill, 0.7)); }
.console-liquid-btn { position: relative; }
.console-liquid-btn:hover { filter: url(#liquid-distort); }

/* ---------- cards / grids ---------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { padding: 32px; transition: transform 0.4s var(--ease), border-color 0.4s var(--ease); }
.card:hover { transform: translateY(-4px); border-color: rgba(45,91,255,0.4); }
.card .icon { width: 44px; height: 44px; margin-bottom: 20px; }
.card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card ul { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.card ul li { font-size: 0.88rem; color: var(--c-slate); display: flex; gap: 8px; }
.card ul li::before { content: "→"; color: var(--c-blue); flex-shrink: 0; }

.tag { display: inline-block; font-family: var(--f-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--c-border); color: var(--c-slate); }

.portfolio-card { overflow: hidden; padding: 0; }
.portfolio-card .thumb { aspect-ratio: 16/10; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--c-navy), var(--c-navy-2)); border-bottom: 1px solid var(--c-border); }
.portfolio-card .thumb svg { width: 70%; height: 70%; }
.portfolio-card .body { padding: 24px; }

.blog-card { padding: 28px; display: flex; flex-direction: column; height: 100%; }
.blog-card .meta { font-family: var(--f-mono); font-size: 0.72rem; color: var(--c-slate); margin-bottom: 12px; }
.blog-card h3 { font-size: 1.1rem; }
.blog-card .excerpt { flex: 1; }
.blog-card .read-more { font-family: var(--f-mono); font-size: 0.8rem; color: var(--c-blue); margin-top: 12px; }

/* ---------- counters (Nosotros) ---------- */
.counters { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
@media (min-width: 768px) { .counters { grid-template-columns: repeat(4, 1fr); } }
.counter-item { text-align: center; padding: 28px 16px; }
.counter-item .num { font-family: var(--f-mono); font-size: 2.2rem; font-weight: 700; background: linear-gradient(135deg, var(--c-white), var(--c-blue)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.counter-item .lab { font-size: 0.82rem; color: var(--c-slate); margin-top: 8px; }

.values-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-top: 40px; }
.value-item { padding: 24px; border-left: 2px solid var(--c-blue); }
.value-item h4 { font-size: 1rem; margin-bottom: 6px; }
.value-item p { font-size: 0.88rem; }

/* ---------- forms ---------- */
.form-grid { display: grid; gap: 20px; }
@media (min-width: 700px) { .form-grid.two { grid-template-columns: 1fr 1fr; } }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 0.82rem; color: var(--c-slate); font-family: var(--f-mono); text-transform: uppercase; letter-spacing: 0.06em; }
.field input, .field select, .field textarea {
  background: var(--c-glass-highlight); border: 1px solid var(--c-border); border-radius: var(--radius-sm);
  padding: 12px 14px; color: var(--c-white); font-family: var(--f-body); font-size: 0.95rem;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--c-blue); }
.contact-grid { display: grid; gap: 40px; }
@media (min-width: 980px) { .contact-grid { grid-template-columns: 1fr 0.8fr; } }
.contact-info-item { display: flex; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--c-border); }
.contact-info-item .k { font-family: var(--f-mono); font-size: 0.72rem; color: var(--c-slate); text-transform: uppercase; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--c-border); padding: 64px 0 32px; margin-top: 64px; }
.footer-grid { display: grid; gap: 40px; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.footer-col h5 { font-family: var(--f-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--c-slate); margin-bottom: 16px; }
.footer-col a { display: block; color: var(--c-slate); font-size: 0.9rem; padding: 6px 0; transition: color 0.2s; }
.footer-col a:hover { color: var(--c-white); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--c-border); font-size: 0.8rem; color: var(--c-slate-dim); }

/* ---------- reveal on scroll ---------- */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { [data-reveal] { opacity: 1; transform: none; } }

/* ---------- lang landing (root redirect page) ---------- */
.lang-landing { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; padding: 24px; }
.lang-landing .choices { display: flex; gap: 16px; margin-top: 32px; justify-content: center; flex-wrap: wrap; }

/* ---------- blog post ---------- */
.post-body h2 { font-size: 1.5rem; margin-top: 2em; }
.post-body p, .post-body li { color: var(--c-slate); font-size: 1.02rem; max-width: 68ch; }
.post-body ul { list-style: disc; padding-left: 1.4em; margin-bottom: 1em; }
.post-body ul li::marker { color: var(--c-blue); }
.post-hero { padding: 64px 0 32px; }
.post-meta { display: flex; gap: 16px; align-items: center; font-family: var(--f-mono); font-size: 0.78rem; color: var(--c-slate); margin-bottom: 20px; }