/* ============================================================
   THE SOUND — SHARED COMPONENTS · v1
   Built from brand/the-sound-design-system.html on top of
   styles/tokens.css. Pages consume these; page styles stay thin.
   No hard-coded hex/px outside the tokens.
   ============================================================ */

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
}

img { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }
a { color: inherit; -webkit-tap-highlight-color: transparent; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: var(--track-tight);
  line-height: var(--leading-snug);
}

/* — Layout — */
.wrap { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }

/* — Hairline — */
.rule { height: 1px; background: var(--border); border: 0; }

/* — Label / eyebrow — */
.eyebrow {
  font-family: var(--font-label);
  text-transform: uppercase;
  letter-spacing: var(--track-label);
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 500;
}

/* — Buttons — */
.btn {
  font-family: var(--font-label);
  text-transform: uppercase;
  letter-spacing: .13em;
  font-size: .78rem;
  font-weight: 500;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--dur) var(--ease);
  text-decoration: none;
  line-height: 1;
}
.btn--primary { background: var(--forest); color: var(--bone); border-color: var(--forest); }
.btn--primary:hover { background: var(--forest-deep); border-color: var(--forest-deep); }
.btn--outline { background: transparent; color: var(--text); border-color: var(--text); }
.btn--outline:hover { background: var(--text); color: var(--bg); }
.btn--brass { background: var(--brass); color: var(--night); border-color: var(--brass); }
.btn--brass:hover { background: var(--brass-soft); }
.btn:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.btn[disabled] { opacity: .4; cursor: not-allowed; }

/* Signature CTA — underlined italic link */
.btn--link {
  background: none;
  border: 0;
  padding: var(--space-1) 0;
  color: var(--text);
  text-transform: none;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  letter-spacing: 0;
  border-radius: 0;
}
.btn--link span {
  border-bottom: 1px solid var(--text);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.btn--link:hover span { color: var(--accent); border-color: var(--accent); }

/* — Fields: forms read like requests — */
.field { display: flex; flex-direction: column; gap: var(--space-1); margin-bottom: var(--space-4); }
.field label {
  font-family: var(--font-label);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .68rem;
  color: var(--text-muted);
}
.field input, .field select, .field textarea {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--text);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  padding: var(--space-2) 2px;
  transition: border-color var(--dur) var(--ease);
  -webkit-appearance: none;
  appearance: none;
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-muted); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--focus); }

/* — Tag chips — */
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-label);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .66rem;
  color: var(--text-soft);
  border: var(--border-hair);
  border-radius: var(--radius-pill);
  padding: var(--space-1) var(--space-3);
}

/* — Cards & panels: hairlines, not shadows — */
.panel {
  border: var(--border-hair);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  background: var(--surface);
}

/* — Reveal on scroll: slow, architectural — */
.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal[data-d="1"] { transition-delay: .12s; }
.reveal[data-d="2"] { transition-delay: .24s; }
.reveal[data-d="3"] { transition-delay: .36s; }
.reveal[data-d="4"] { transition-delay: .48s; }
.reveal[data-d="5"] { transition-delay: .6s; }
.reveal[data-d="6"] { transition-delay: .72s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}