/* ============================================================
   KROMA — sistema base
   Negro croma · verde croma (#2ECC40) · blanco
   "Somos el verde que nadie ve."
   ============================================================ */

:root {
  /* — Lienzo negro neutro (croma sobre negro) — */
  --bg:        #0d0d0d;
  --bg-1:      #131314;
  --bg-2:      #1a1a1c;
  --bg-3:      #232325;
  --line:      rgba(255, 255, 255, 0.10);
  --line-soft: rgba(255, 255, 255, 0.055);

  /* — Tinta — */
  --ink:    #f4f5f3;
  --ink-2:  #b4b6b1;
  --ink-3:  #7d7f7a;

  /* — Verde croma (la marca = el verde) — */
  --green:       #2ecc40;   /* chroma key exacto */
  --green-bright:#5cff72;
  --green-deep:  #1aa530;
  --green-ink:   #08200c;   /* texto sobre verde sólido */

  /* alias para compatibilidad con el markup existente */
  --c1: var(--green);
  --c2: var(--green-bright);
  --c3: var(--green-deep);
  --c4: var(--green);

  --accent: var(--green);
  --accent-ink: var(--green-ink);
  --grad: linear-gradient(100deg, var(--green), var(--green-bright));

  /* — Tipografía — */
  --font-display: "Bricolage Grotesque", "Hanken Grotesk", system-ui, sans-serif;
  --font-body:    "Hanken Grotesk", system-ui, -apple-system, sans-serif;
  --font-mono:    "Space Mono", ui-monospace, monospace;

  /* — Movimiento (0–100, lo controla Tweaks/motion.js) — */
  --motion: 0.70;

  /* — Métricas — */
  --maxw: 1240px;
  --gut: clamp(20px, 5vw, 64px);
  --radius: 20px;
  --radius-lg: 28px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.6;
  font-weight: 420;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

::selection { background: var(--green); color: var(--green-ink); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}

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

/* — Tipos de escala — */
.display {
  font-size: clamp(2.9rem, 8.5vw, 6.6rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
}
.h-sec {
  font-size: clamp(2.1rem, 5vw, 4rem);
  letter-spacing: -0.03em;
}
.h-card { font-size: clamp(1.25rem, 2vw, 1.6rem); }
.lead {
  font-size: clamp(1.05rem, 1.6vw, 1.4rem);
  color: var(--ink-2);
  font-weight: 420;
  line-height: 1.55;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 400;
}

/* — Layout helpers — */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gut);
}
.section { position: relative; padding-block: clamp(72px, 12vw, 150px); }

/* — Texto en degradado multicolor — */
.chroma {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* — Botones — */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-body);
  font-weight: 650;
  font-size: 1rem;
  letter-spacing: -0.01em;
  padding: 0.95em 1.5em;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .25s cubic-bezier(.2,.8,.2,1), background .25s, border-color .25s, color .25s;
  will-change: transform;
  white-space: nowrap;
  text-align: center;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn-primary:hover { filter: brightness(1.06); }
.btn-ghost {
  background: rgba(255,255,255,0.04);
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover { background: rgba(255,255,255,0.09); border-color: rgba(255,255,255,0.22); }
.btn .arrow { transition: transform .25s cubic-bezier(.2,.8,.2,1); }
.btn:hover .arrow { transform: translateX(3px); }

/* — Pill / etiqueta — */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding: 0.5em 0.9em;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

/* — Nota de placeholder (mono) sobre imágenes provisionales — */
.ph-note {
  position: absolute;
  left: 14px; bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.62);
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 0.35em 0.6em;
  border-radius: 8px;
  z-index: 5;
  pointer-events: none;
}

/* — Reveal de scroll — */
[data-reveal] {
  opacity: 0;
  transform: translateY(calc(34px * var(--motion)));
  transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1);
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

.hr { height: 1px; background: var(--line-soft); border: 0; margin: 0; }