/* ============================================================
   RTS BASE — fonts, reset, shared primitives.
   Brand values come exclusively from tokens.css.
   ============================================================ */

/* ---- Self-hosted variable fonts (no external requests) ---- */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../assets/fonts/montserrat-var-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../assets/fonts/montserrat-var-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url('../assets/fonts/jetbrainsmono-var-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url('../assets/fonts/jetbrainsmono-var-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
img, svg, video { display: block; max-width: 100%; }
button, input, select { font: inherit; color: inherit; }
a { color: inherit; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100dvh;
}

/* Paper-grain overlay — subtle texture so the white isn't clinical */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.03;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

::selection { background: var(--accent); color: var(--on-accent); }

:focus-visible {
  outline: 3px solid var(--accent-deep);
  outline-offset: 3px;
}

/* ---- Type primitives ---- */
.display {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: var(--track-display);
  line-height: 0.94;
}
.display--hero { font-size: var(--text-hero); }
.display--1 { font-size: var(--text-h1); }
.display--2 { font-size: var(--text-h2); }

.kicker {
  font-family: var(--font-mono);
  font-size: var(--text-tiny);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--track-label);
  color: var(--accent-deep);
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.text-dim { color: var(--ink-dim); }
.text-deep { color: var(--accent-deep); }

/* Yellow highlighter — THE way yellow meets text on white:
   ink text on a yellow marker stroke, never yellow glyphs. */
.hl {
  background: linear-gradient(104deg,
    transparent 0.4%,
    var(--accent) 1.8%,
    var(--accent) 98%,
    transparent 99.5%);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  padding: 0.05em 0.18em;
  margin-inline: -0.08em;
}

/* ---- Layout ---- */
.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.section { padding-block: var(--space-7); }

/* Light grey band — alternate section background */
.zone { background: var(--zone); }

/* Dark panel — IG-poster heritage moments (stats band, footer).
   Inside it, yellow text is safe (15.7:1 on ink). */
.dark-panel { background: var(--dark); color: var(--on-dark); }
.dark-panel .kicker { color: var(--on-dark-accent); }
.dark-panel .text-dim { color: var(--on-dark-dim); }
.dark-panel .text-accent { color: var(--on-dark-accent); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  padding: 0.95em 1.9em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-small);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  border: 2px solid var(--ink);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out-hard),
              background var(--dur-fast) linear,
              color var(--dur-fast) linear,
              box-shadow var(--dur-fast) var(--ease-out-hard);
}
/* Yellow fill + ink text + ink border — the signature CTA */
.btn--primary {
  background: var(--accent);
  color: var(--on-accent);
}
.btn--primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--accent-deep);
}
/* Brown outline/text ghost (yellow outlines vanish on white) */
.btn--ghost {
  background: transparent;
  color: var(--accent-deep);
  border-color: var(--accent-deep);
}
.btn--ghost:hover {
  background: var(--accent-deep);
  color: var(--on-accent-deep);
}
/* Brown fill + white text */
.btn--deep {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: var(--on-accent-deep);
}
.btn--deep:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--accent);
}
.btn:active { transform: translate(0, 0); box-shadow: none; }

/* ---- Card primitive ---- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

/* ---- Ticker (marquee strip, IG-story energy) ---- */
.ticker {
  overflow: hidden;
  white-space: nowrap;
  border-block: 1px solid var(--line);
  padding-block: 0.55em;
  user-select: none;
}
.ticker__track {
  display: inline-block;
  animation: ticker-scroll 28s linear infinite;
}
.ticker__track > span {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--track-label);
  color: var(--ink-dim);
  padding-inline: 1.5em;
}
.ticker__track > span::after {
  content: '●';
  color: var(--accent-deep);
  font-size: 0.6em;
  vertical-align: middle;
  margin-left: 3em;
}
/* Dark ticker variant — yellow dots come back on ink */
.dark-panel .ticker { border-color: var(--dark-line); }
.dark-panel .ticker__track > span { color: var(--on-dark-dim); }
.dark-panel .ticker__track > span::after { color: var(--on-dark-accent); }

@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---- Scroll reveal (opt-in via .reveal; JS adds .is-in) ---- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-slow) var(--ease-out-hard),
              transform var(--dur-slow) var(--ease-out-hard);
}
.reveal.is-in { opacity: 1; transform: none; }

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