/* ============================================================
   utilities.css — Shared Helpers & Animations
   Reusable classes used across multiple sections.
============================================================ */

/* ── Layout container ───────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
@media (min-width: 64rem) {
  .container { padding: 0 2.5rem; }
}

/* ── Section shared styles ──────────────────────────────────── */
.section { padding: 6rem 0; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 1.25rem;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--color-ink);
  margin-bottom: 3rem;
}
.section-heading em { font-style: italic; }

/* ── Typography helpers ─────────────────────────────────────── */
.hand {
  font-family: var(--font-hand);
  font-weight: 600;
  line-height: 1;
}

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

/* Marker highlight (like a highlighter pen) */
.marker {
  background-image: linear-gradient(
    100deg,
    color-mix(in srgb, var(--color-accent) 22%, transparent),
    color-mix(in srgb, var(--color-accent) 22%, transparent)
  );
  background-position: 0 78%;
  background-repeat: no-repeat;
  background-size: 100% 42%;
  padding: 0 0.05em;
}

/* Ink underline — SVG squiggle beneath text */
.ink-underline {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='18' viewBox='0 0 220 18'%3E%3Cpath d='M3 12 C 45 5 80 5 120 10 S 190 13 217 7' fill='none' stroke='%23ff5a3c' stroke-width='3.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 100% 0.5em;
  padding-bottom: 0.12em;
}

/* ── Scroll-progress bar ────────────────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  transform: scaleX(var(--scroll, 0));
  transform-origin: left;
  background: linear-gradient(
    90deg,
    var(--color-accent),
    var(--color-sun),
    var(--color-teal),
    var(--color-berry)
  );
  z-index: 60;
  pointer-events: none;
}

/* ── Scroll reveal ──────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity  0.85s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}
.reveal.from-right { transform: translate(40px); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ── Shared buttons ─────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-ink);
  color: var(--color-paper);
  border-radius: 999px;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background 0.3s, transform 0.3s;
}
.btn-primary:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
}
.btn-arrow { transition: transform 0.3s; }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }

.btn-text {
  font-size: 0.875rem;
  color: var(--color-ink-soft);
  text-decoration: underline;
  text-decoration-color: var(--color-line);
  text-underline-offset: 4px;
  transition: color 0.2s, text-decoration-color 0.2s;
}
.btn-text:hover {
  color: var(--color-ink);
  text-decoration-color: var(--color-accent);
}

/* ── Pulse keyframe (used on open-to-work badge dot) ────────── */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}