/* ============================================================
   TILLFORGE — RESET & BASE
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
}

body {
  font-family: var(--font-body);
  font-size: var(--type-lead);
  line-height: var(--leading-body);
  color: var(--clr-white);
  background-color: var(--clr-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* --- Typography base --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
  color: var(--clr-white);
}

h1 { font-size: var(--type-h1); }
h2 { font-size: var(--type-h2); }
h3 { font-size: var(--type-h3); }

p {
  color: var(--clr-white-dim);
  max-width: 68ch;
}

a {
  color: var(--clr-red);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}
a:hover { color: var(--clr-white); }

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

ul, ol { list-style: none; }

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: var(--font-body);
}

code, kbd, pre {
  font-family: var(--font-mono);
}

/* --- Focus visible ring --- */
:focus-visible {
  outline: 2px solid var(--clr-red);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* --- Selection colour --- */
::selection {
  background: var(--clr-red-dim);
  color: var(--clr-white);
}

/* --- Scrollbar (webkit) --- */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb {
  background: var(--clr-surface-3);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--clr-red); }

/* --- Utilities --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.container--prose {
  max-width: var(--max-w-prose);
}

/* --- Reveal animation base (JS adds .is-visible) --- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--dur-lazy) var(--ease-out),
    transform var(--dur-lazy) var(--ease-out);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
[data-reveal][data-delay="1"] { transition-delay: 100ms; }
[data-reveal][data-delay="2"] { transition-delay: 200ms; }
[data-reveal][data-delay="3"] { transition-delay: 300ms; }
[data-reveal][data-delay="4"] { transition-delay: 400ms; }
[data-reveal][data-delay="5"] { transition-delay: 500ms; }