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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 4.5rem;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-surface);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; font-weight: 800; }
h2 { font-size: var(--text-xl); }
h3 { font-size: var(--text-lg); }

a { color: var(--color-sky); text-decoration: none; }
a:hover { text-decoration: underline; }

img, svg { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }

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

.section { padding-block: var(--space-section); }
.section--tint { background: var(--color-surface-2); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-sky);
  margin-bottom: var(--space-3);
}

.section-head { max-width: 40rem; margin-bottom: var(--space-6); }
.section-head p { color: var(--color-muted); margin-top: var(--space-3); }

.mono { font-family: var(--font-mono); }
.muted { color: var(--color-muted); }

:focus-visible {
  outline: 3px solid var(--color-sky);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Reveal saat scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-slow) ease, transform var(--duration-slow) var(--ease-out-expo);
}
.reveal.is-visible { opacity: 1; transform: none; }

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

[hidden] { display: none !important; }