/* Aki.labs — hoja de estilos única.
   Sin dependencias externas: ninguna fuente, script ni asset remoto.
   Eso mantiene el sitio rápido, siempre disponible y sin terceros
   mirando a quien lo visita. */

:root {
  --ink:        #10151c;
  --ink-soft:   #47525f;
  --ink-faint:  #6b7684;
  --line:       #e2e6ec;
  --bg:         #ffffff;
  --bg-alt:     #f6f8fa;
  --accent:     #0f6b62;
  --accent-dk:  #0b544d;
  --accent-bg:  #e8f2f0;
  --radius:     10px;
  --wrap:       1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink:       #eef2f6;
    --ink-soft:  #b3bec9;
    --ink-faint: #8794a1;
    --line:      #26303a;
    --bg:        #0d1218;
    --bg-alt:    #131b23;
    --accent:    #4fd1c1;
    --accent-dk: #7fe3d6;
    --accent-bg: #14262a;
  }
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 720px; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-dk); }

.skip {
  position: absolute; left: -9999px;
  background: var(--accent); color: #fff;
  padding: 10px 16px; border-radius: var(--radius);
}
.skip:focus { left: 16px; top: 16px; z-index: 10; color: #fff; }

/* ---------- header ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 5;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(10px);
}

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; min-height: 68px;
}

.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }

.brand-mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--accent); color: #fff;
  display: grid; place-items: center;
  font-weight: 700; font-size: 16px; letter-spacing: -0.02em;
}

.brand-name { font-weight: 650; font-size: 19px; color: var(--ink); letter-spacing: -0.015em; }

.site-header nav { display: flex; align-items: center; gap: 22px; }
.site-header nav a { color: var(--ink-soft); text-decoration: none; font-size: 15px; }
.site-header nav a:hover { color: var(--accent); }

.nav-cta {
  border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 16px; color: var(--ink) !important;
}
.nav-cta:hover { border-color: var(--accent); color: var(--accent) !important; }

/* ---------- hero ---------- */

.hero { padding: 88px 0 72px; border-bottom: 1px solid var(--line); }

.eyebrow {
  margin: 0 0 18px;
  display: inline-block;
  background: var(--accent-bg); color: var(--accent-dk);
  border-radius: 999px; padding: 5px 14px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.02em;
}

.hero h1 {
  margin: 0 0 20px;
  font-size: clamp(2.1rem, 5.2vw, 3.35rem);
  line-height: 1.1; letter-spacing: -0.03em; font-weight: 700;
  max-width: 17ch;
}

.lede { margin: 0 0 32px; font-size: clamp(1.06rem, 2vw, 1.25rem); color: var(--ink-soft); max-width: 62ch; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-block; text-decoration: none;
  background: var(--accent); color: #fff;
  padding: 12px 26px; border-radius: var(--radius);
  font-weight: 600; font-size: 16px;
  border: 1px solid var(--accent);
}
.btn:hover { background: var(--accent-dk); border-color: var(--accent-dk); color: #fff; }

.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: transparent; color: var(--accent); border-color: var(--accent); }

/* ---------- secciones ---------- */

.section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

h2 {
  margin: 0 0 24px;
  font-size: clamp(1.5rem, 3vw, 1.95rem);
  letter-spacing: -0.02em; font-weight: 680; line-height: 1.25;
}

h3 { margin: 0 0 10px; font-size: 1.08rem; font-weight: 650; letter-spacing: -0.01em; }

p { margin: 0 0 18px; }
p:last-child { margin-bottom: 0; }

.section .narrow p { color: var(--ink-soft); }

.grid {
  display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(268px, 1fr));
}

.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
}
.card p { color: var(--ink-soft); font-size: 15.5px; margin: 0; }

.contact-line { margin: 26px 0 14px; }

.mail {
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  font-weight: 640; letter-spacing: -0.02em;
  word-break: break-word;
}

.muted { color: var(--ink-faint); }
.small { font-size: 14px; }

/* ---------- footer ---------- */

.site-footer { border-top: 1px solid var(--line); padding: 40px 0 56px; background: var(--bg-alt); }
.legal { margin: 0 0 10px; font-size: 14.5px; color: var(--ink-soft); line-height: 1.7; }
.legal:last-child { margin-bottom: 0; }

/* ---------- páginas de texto (privacidad) ---------- */

.doc { padding: 56px 0 80px; }
.doc h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); letter-spacing: -0.03em; margin: 0 0 8px; line-height: 1.2; }
.doc .updated { color: var(--ink-faint); font-size: 14.5px; margin: 0 0 40px; }
.doc h2 { font-size: 1.22rem; margin: 40px 0 14px; }
.doc p, .doc li { color: var(--ink-soft); }
.doc ul { margin: 0 0 18px; padding-left: 22px; }
.doc li { margin-bottom: 9px; }
.doc .back { display: inline-block; margin-bottom: 28px; font-size: 15px; text-decoration: none; }
.doc .back:hover { text-decoration: underline; }

@media (max-width: 620px) {
  .site-header nav { gap: 14px; }
  .site-header nav a:not(.nav-cta) { display: none; }
  .hero { padding: 60px 0 52px; }
  .section { padding: 56px 0; }
}