/* Vector-AI — base elements + shared primitives */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

html {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.55;
  font-feature-settings: "ss01", "cv11", "kern", "calt";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  background-color: var(--color-bg);
  background-image:
    /* Constelación — 7 nodos + conectores teal, eco del logo (tile 600×600) */
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='600' height='600'><g stroke='%234FE8C8' stroke-opacity='0.04' stroke-width='1' fill='none'><line x1='80' y1='100' x2='310' y2='130'/><line x1='310' y1='130' x2='520' y2='90'/><line x1='310' y1='130' x2='170' y2='280'/><line x1='170' y1='280' x2='250' y2='480'/><line x1='430' y1='320' x2='250' y2='480'/><line x1='430' y1='320' x2='510' y2='490'/><line x1='250' y1='480' x2='510' y2='490'/></g><g fill='%234FE8C8' fill-opacity='0.12'><circle cx='80' cy='100' r='2'/><circle cx='310' cy='130' r='2'/><circle cx='520' cy='90' r='2'/><circle cx='170' cy='280' r='2'/><circle cx='430' cy='320' r='2'/><circle cx='250' cy='480' r='2'/><circle cx='510' cy='490' r='2'/></g></svg>"),
    /* Grain — micro-textura orgánica (≈6% opacity, mata el "plano digital") */
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.06 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>"),
    /* Iluminación ambiental — existente */
    radial-gradient(ellipse 1200px 600px at 80% -100px, color-mix(in oklch, var(--color-accent) 6%, transparent), transparent 70%),
    radial-gradient(ellipse 800px 500px at -10% 30%, color-mix(in oklch, var(--color-accent) 3%, transparent), transparent 60%);
  background-size: 600px 600px, 200px 200px, auto, auto;
  background-repeat: repeat, repeat, no-repeat, no-repeat;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: clamp(48px, 6.5vw, var(--fs-5xl)); font-variation-settings: "opsz" 144, "SOFT" 30; }
h2 { font-size: clamp(34px, 4vw, var(--fs-4xl)); font-variation-settings: "opsz" 96; }
h3 { font-size: var(--fs-2xl); font-variation-settings: "opsz" 48; line-height: 1.15; }
h4 { font-size: var(--fs-xl); font-variation-settings: "opsz": 32; line-height: 1.2; letter-spacing: -0.01em; }

p { margin: 0; text-wrap: pretty; }

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

::selection { background: color-mix(in oklch, var(--color-accent) 35%, transparent); color: var(--color-text); }

/* Numeric tabular figures for stats */
.tnum { font-variant-numeric: tabular-nums; }

/* Mono micro-label (caps eyebrow) */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-mute);
  font-weight: 500;
}
.eyebrow .num {
  color: var(--color-accent);
  margin-right: var(--sp-2);
}

/* Pills */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  color: var(--color-text-mute);
}
.pill--pilot {
  background: var(--color-pilot-bg);
  border-color: var(--color-pilot-bd);
  color: var(--color-pilot-fg);
}
.pill--pilot::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--color-accent) 25%, transparent);
  animation: pulse 2.4s var(--ease-out) infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.45; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  font: 500 var(--fs-sm)/1 var(--font-body);
  letter-spacing: -0.005em;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-text);
  transition: background var(--dur-1) var(--ease-out),
              border-color var(--dur-1) var(--ease-out),
              transform var(--dur-1) var(--ease-out);
}
.btn:hover { transform: translateY(-1px); }
.btn .arr { transition: transform var(--dur-2) var(--ease-out); }
.btn:hover .arr { transform: translateX(4px); }

.btn--primary {
  background: var(--color-accent);
  color: #061126;
  font-weight: 600;
}
.btn--primary:hover { background: var(--color-accent-2); }

.btn--ghost {
  border-color: var(--color-border-strong);
  color: var(--color-text);
}
.btn--ghost:hover { border-color: var(--color-text-mute); background: var(--color-bg-raise); }

.btn--lg { padding: 18px 28px; font-size: var(--fs-base); }

/* Layout */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--sp-10);
  position: relative;
}
.section--tight { padding-block: var(--sp-9); }

/* Section header (eyebrow + title + lede) */
.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
  margin-bottom: var(--sp-8);
  max-width: 760px;
}
.section-head .eyebrow { margin-bottom: 4px; }

/* Hairline separator */
.hr {
  border: 0;
  border-top: var(--hairline);
  margin: 0;
}

/* Card primitives */
.card {
  background: var(--color-bg-raise);
  border: var(--hairline);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  position: relative;
  transition: border-color var(--dur-2) var(--ease-out), background var(--dur-2) var(--ease-out);
}
.card:hover { border-color: var(--color-border-strong); }

/* Card with left accent bar (matches PDF look) */
.card--accent {
  border-left: 2px solid var(--accent, var(--color-accent));
  padding-left: calc(var(--sp-6) - 2px);
}

/* Numbered marker */
.numeral {
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  font-variation-settings: "opsz" 96;
  font-weight: 300;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: -0.04em;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: color-mix(in oklch, var(--color-bg) 75%, transparent);
  border-bottom: var(--hairline);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav-links {
  display: flex;
  gap: var(--sp-6);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: var(--fs-sm);
  color: var(--color-text-mute);
  transition: color var(--dur-1) var(--ease-out);
}
.nav-links a:hover, .nav-links a.is-active { color: var(--color-text); }
.nav-links a.is-active { color: var(--color-accent); }

/* Header CTA — direct demo access from any page */
.nav-links a.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: border-color var(--dur-1) var(--ease-out), background var(--dur-1) var(--ease-out);
}
.nav-links a.nav-cta:hover {
  border-color: var(--color-accent);
  background: color-mix(in oklch, var(--color-accent) 10%, transparent);
  color: var(--color-accent);
}
.nav-links a.nav-cta::after {
  content: "→";
  font-family: var(--font-body);
  font-size: 13px;
  opacity: 0.7;
}

/* Hamburger toggle — inyectado por tweaks.js en todas las páginas */
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-mute);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: border-color var(--dur-1) var(--ease-out), color var(--dur-1) var(--ease-out);
}
.nav-toggle:hover { color: var(--color-text); border-color: var(--color-border-strong); }
.nav-toggle[aria-expanded="true"] { color: var(--color-accent); border-color: var(--color-accent); }

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .nav-inner {
    flex-wrap: wrap;
    padding-inline: 16px;
    min-height: 60px;
    padding-block: 10px;
    height: auto;
  }
  .nav-links {
    display: none;
    order: 3;
    flex-basis: 100%;
    margin: 0;
  }
  .nav-links.is-open {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 8px;
    padding: 14px;
    background: color-mix(in oklch, var(--color-bg-raise) 90%, transparent);
    border: 1px solid var(--color-border);
    border-radius: 10px;
  }
  .nav-links.is-open a {
    font-size: 15px;
    padding: 6px 4px;
  }
  .nav-links.is-open a.nav-cta {
    align-self: flex-start;
    padding: 6px 12px;
    margin-top: 4px;
  }
}

/* Footer */
.footer {
  border-top: var(--hairline);
  padding-block: var(--sp-7);
  margin-top: var(--sp-9);
  color: var(--color-text-mute);
  font-size: var(--fs-sm);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-5);
  justify-content: space-between;
  align-items: center;
}
.footer .legal { font-family: var(--font-mono); font-size: var(--fs-mono); letter-spacing: 0.06em; }

/* Reveal-on-scroll (CSS-only, used sparingly) */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
}
.reveal.is-in { opacity: 1; transform: translateY(0); }