/* =========================================================
   ESTUDIO ESGB · BASE
   Reset + tipografía refinada (sentence case, sin uppercase).
========================================================= */

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

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--color-fg);
  background: var(--color-bg);
  min-height: 100vh;
  overflow-x: hidden;
}

img, svg, video, canvas, iframe { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; transition: color var(--t-fast); }
ul, ol { list-style: none; }

::selection {
  background: var(--color-fg);
  color: var(--color-bg);
}

/* =========================================================
   TIPOGRAFÍA — sentence case, refinada
========================================================= */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tighter);
  color: var(--color-fg);
}

.h-display {
  font-family: var(--font-display);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-hero);
  line-height: 1.02;
  letter-spacing: var(--ls-tighter);
}

.h-1 { font-size: var(--fs-4xl); font-weight: var(--fw-semibold); letter-spacing: var(--ls-tighter); line-height: 1.05; }
.h-2 { font-size: var(--fs-3xl); font-weight: var(--fw-semibold); letter-spacing: var(--ls-tight);   line-height: 1.08; }
.h-3 { font-size: var(--fs-2xl); font-weight: var(--fw-semibold); letter-spacing: var(--ls-tight);   line-height: 1.15; }
.h-4 { font-size: var(--fs-xl);  font-weight: var(--fw-semibold); letter-spacing: var(--ls-snug);    line-height: 1.25; }

/* Eyebrow/label discreto: SOLO los labels van uppercase, no los headings */
.eyebrow {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-fg-mute);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.eyebrow .star {
  width: 14px; height: 14px;
  color: var(--color-accent);
  flex-shrink: 0;
}

p { max-width: 65ch; }

.lead {
  font-size: var(--fs-lg);
  line-height: var(--lh-relaxed);
  color: var(--color-fg-mute);
  font-weight: var(--fw-regular);
}

.muted { color: var(--color-fg-mute); }

/* =========================================================
   LAYOUT HELPERS
========================================================= */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section { padding-block: var(--section-pad-y); }
.section-soft { background: var(--color-bg-soft); }
.section-dark { background: var(--color-bg-dark); color: var(--color-bg); }
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 { color: var(--color-bg); }

.divider { height: 1px; background: var(--color-line); width: 100%; }

.grid { display: grid; gap: var(--sp-5); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-12 { grid-template-columns: repeat(12, 1fr); }

@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* =========================================================
   STAR ICON DECORATIVO (4 puntas, estilo oraxis)
========================================================= */

.icon-star {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: middle;
}

/* =========================================================
   ANIMACIONES SCROLL-REVEAL
========================================================= */

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 1000ms var(--ease-out),
    transform 1000ms var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

[data-reveal].is-revealed { opacity: 1; transform: none; }

[data-reveal="fade"]  { transform: none; }
[data-reveal="up-lg"] { transform: translateY(48px); }
[data-reveal="left"]  { transform: translateX(-32px); }
[data-reveal="right"] { transform: translateX(32px); }
[data-reveal="left"].is-revealed,
[data-reveal="right"].is-revealed { transform: none; }

/* Star spinning suave */
.spin-slow {
  animation: spin 14s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}