/* ==========================================================================
   Radio Silence — base: fonts, reset, typography primitives, reveal system
   ========================================================================== */

/* ----- Self-hosted fonts (zero third-party requests) ----- */

@font-face {
  font-family: "RS Mono";
  src: local("Menlo"), local("Menlo-Regular"),
       url("../fonts/dejavu-sans-mono.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Space Grotesk";
  src: url("../fonts/space-grotesk-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Space Grotesk";
  src: url("../fonts/space-grotesk-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ----- Reset ----- */

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

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

body {
  margin: 0;
  background: var(--rs-black);
  color: var(--rs-white);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: inherit; }

button { font: inherit; }

::selection { background: var(--rs-orange); color: var(--rs-black); }

/* ----- Typography primitives ----- */

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

/* Bracket kicker — the in-world terminal label above each section */
.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--rs-orange);
  text-transform: uppercase;
}

.kicker--meta { color: var(--rs-meta); }

.headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 18px 0 20px;
}

.sub {
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.65;
  color: var(--rs-logbook-meta);
  max-width: 34em;
  margin: 0;
}

/* Condensed metadata (Family B). font-stretch is honored by SF Pro on
   Apple platforms; elsewhere the letter-spacing carries the look. */
.condensed {
  font-family: var(--font-sans);
  font-stretch: condensed;
  letter-spacing: 0.5px;
}

/* ----- Layout primitives ----- */

.wrap {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-pad) 0;
}

.section--cv {
  content-visibility: auto;
  contain-intrinsic-size: auto 800px;
}

/* ----- Buttons ----- */

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 15px 28px;
  border-radius: 6px;
  transition: transform 0.25s var(--ease-out-quint), box-shadow 0.25s var(--ease-out-quint),
              background-color 0.25s, color 0.25s, border-color 0.25s;
}

.btn--primary {
  background: var(--rs-orange);
  color: var(--rs-black);
  border: 1.5px solid var(--rs-orange);
}

.btn--primary:hover {
  box-shadow: var(--rs-bloom-orange);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--rs-logbook-meta);
  border: 1.5px solid var(--rs-header-divider);
}

.btn--ghost:hover {
  color: var(--rs-amber);
  border-color: var(--rs-dim);
}

.btn--disabled {
  cursor: not-allowed;
  pointer-events: none;
}

.btn--disabled:hover {
  box-shadow: none;
  transform: none;
}

/* ----- Badges (app mode-badge spec: 1.5px border, 5px radius, 6/3 pad, mono 11) ----- */

.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 3px 6px;
  border-radius: 5px;
  border: 1.5px solid var(--rs-green);
  color: var(--rs-green);
}

.badge--beta {
  border-color: var(--rs-orange);
  color: var(--rs-orange);
}

/* ----- Reveal system (driven by reveal.js) ----- */

[data-reveal] {
  opacity: 0;
  transform: translateY(var(--reveal-rise));
  transition:
    opacity var(--reveal-duration) var(--ease-out-quint),
    transform var(--reveal-duration) var(--ease-out-quint);
  transition-delay: var(--d, 0ms);
  will-change: opacity, transform;
}

[data-reveal="fade"] { transform: none; }

[data-reveal="draw"] {
  transform: scaleX(0);
  transform-origin: center;
}

/* Apple-style media entrance: rise + scale-settle, longer and unmistakable */
[data-reveal="media"] {
  transform: translateY(48px) scale(0.96);
  transition-duration: 1.1s, 1.1s;
}

/* Sub-copy spotlight: dim → bright, no movement */
[data-reveal="spot"] {
  opacity: 0.35;
  transform: none;
  transition-duration: 1.2s;
}

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

/* Word-stagger for headlines (spans injected by reveal.js on [data-split]) */
[data-split] .w {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.55em);
  transition:
    opacity 0.8s var(--ease-out-quint),
    transform 0.8s var(--ease-out-quint);
  transition-delay: var(--d, 0ms);
}

[data-split].is-in .w {
  opacity: 1;
  transform: none;
}

/* Masked line-rise for [data-split="lines"] headlines: reveal.js wraps each
   VISUAL line in .lm (clip mask) > .li (riser). Each line rises from behind
   the mask and fades in — the fade softens the hard clip edge for an
   apple-style entrance. The padding/negative-margin pair keeps
   ascenders/descenders from being cropped by the mask. */
[data-split="lines"] .lm {
  display: block;
  overflow: hidden;
  padding: 0.08em 0;
  margin: -0.08em 0;
}

[data-split="lines"] .li {
  display: block;
  opacity: 0;
  transform: translateY(118%);
  transition:
    transform 0.85s var(--ease-out-quint),
    opacity 0.85s var(--ease-out-quint);
  transition-delay: calc(0.18s + var(--i, 0) * 95ms);
}

[data-split="lines"].is-in .li { opacity: 1; transform: none; }

/* ----- Reduced motion: everything visible, nothing moves ----- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  [data-reveal],
  [data-split] .w,
  [data-split="lines"] .li {
    opacity: 1;
    transform: none;
    clip-path: none;
    transition: none;
  }

  .no-motion-hide { display: none; }
}

.no-motion [data-reveal],
.no-motion [data-split] .w,
.no-motion [data-split="lines"] .li {
  opacity: 1;
  transform: none;
  clip-path: none;
  transition: none;
}