:root {
  --bg: #0A0F1C;
  --band: #0E1527;
  --surface: #111A2D;
  --line: #1F2B45;
  --line-strong: #2A3A5C;
  --text: #E8EEF9;
  --muted: #9BA9C2;
  --accent: #4F8CFF;
  --on-accent: #06101F;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Space Grotesk', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}

a { color: var(--muted); text-decoration: none; }
a:hover { color: var(--text); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.skip {
  position: absolute;
  left: -9999px;
  top: 8px;
  padding: 12px 16px;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: 8px;
  font-weight: 600;
}
.skip:focus { left: 16px; color: var(--on-accent); }

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding-inline: 24px;
}

/* Encabezado */
.site-header { border-bottom: 1px solid var(--line); }
.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  padding-block: 8px;
}
.logo {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--text);
}
.logo span { color: var(--accent); }
.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 24px;
  font-size: 15px;
}
.nav a { display: inline-flex; align-items: center; min-height: 44px; }

/* Secciones */
.section { border-top: 1px solid var(--line); }
.section--band { background: var(--band); border-bottom: 1px solid var(--line); }
.section-inner {
  padding-block: 72px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.section-head { display: flex; flex-direction: column; gap: 12px; max-width: 640px; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
.h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.01em;
}
.h3--sm { font-size: 20px; }

/* Portada */
.hero-inner {
  padding-block: 72px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 48px;
}
.hero-copy {
  flex: 1 1 420px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: flex-start;
}
.lead { margin: 0; max-width: 520px; font-size: 18px; color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 8px;
  font-weight: 600;
}
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { color: var(--on-accent); filter: brightness(1.1); }
.btn--ghost { border: 1px solid var(--line-strong); color: var(--text); font-weight: 500; }
.btn--ghost:hover { border-color: var(--muted); }

.panel {
  flex: 1 1 340px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--band);
  overflow: hidden;
}
.panel-title {
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
}

/* Pares etiqueta / valor */
.kv { display: flex; flex-wrap: wrap; gap: 2px 16px; }
.k { flex: 0 0 var(--k, 104px); margin: 0; color: var(--muted); }
.v { flex: 1 1 160px; min-width: 0; margin: 0; overflow-wrap: anywhere; }
.v--accent { color: var(--accent); }

.brief {
  --k: 104px;
  margin: 0;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
}

.facts-box {
  flex: 1 1 340px;
  min-width: 0;
  align-self: flex-start;
  margin: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-size: 15px;
}
.facts-box .k { font-family: var(--font-mono); font-size: 13px; }
.facts { --k: 120px; }
.contact-list { --k: 100px; }

/* Servicios */
.cards { display: flex; flex-wrap: wrap; gap: 24px; }
.card {
  flex: 1 1 460px;
  min-width: 0;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.card p { margin: 0; color: var(--muted); }
.icon { width: 28px; height: 28px; color: var(--accent); }

/* Proceso */
.steps {
  display: flex;
  flex-wrap: wrap;
  gap: 32px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.step { flex: 1 1 220px; min-width: 0; display: flex; flex-direction: column; gap: 10px; }
.step-n { font-family: var(--font-mono); font-size: 14px; color: var(--accent); }
.step p { margin: 0; color: var(--muted); }

/* Proyecto */
.project { max-width: 760px; display: flex; flex-direction: column; gap: 16px; margin: 0; }
.project img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.project-body { display: flex; flex-direction: column; gap: 4px; }
.project-body p { margin: 0; color: var(--muted); }
.project-body .tech {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
}

/* Quién soy y contacto */
.split {
  padding-block: 72px;
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
}
.split-main {
  flex: 1 1 420px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}
.split-main p { margin: 0; max-width: 560px; color: var(--muted); }

/* Pie */
.site-footer { border-top: 1px solid var(--line); }
.footer-inner {
  padding-block: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  font-size: 14px;
  color: var(--muted);
}

/* Página de error */
.error-page {
  min-height: 60vh;
  padding-block: 96px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}