/* ============================================================================
   Burton v7 — Three Paths
   ----------------------------------------------------------------------------
   The most important navigation on the site. Each path is a visual entry
   into one of the three reader-facing pillars: Treat a Room, Soundproof,
   Audio Gear. Big, confident, photo/illustration-forward.
   ========================================================================= */

.paths {
  padding-block: var(--space-12);
}

@media (min-width: 720px) {
  .paths { padding-block: var(--space-16); }
}

@media (min-width: 900px) {
  .paths { padding-block: var(--space-20); }
}

.paths__header {
  max-width: 54ch;
  margin-bottom: var(--space-12);
}

.paths__eyebrow {
  margin-bottom: var(--space-4);
}

.paths__title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: var(--fs-3xl);
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-snug);
  color: var(--color-ink);
  margin-bottom: var(--space-4);
}

.paths__subtitle {
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  line-height: var(--lh-relaxed);
  color: var(--color-ink-muted);
}

/* Three cards only divide cleanly into 1 column or 3 columns. Any 2-column
   state leaves an orphan, so jump straight from 1 → 3 at a breakpoint that
   guarantees the 3-card row fits inside `.container` (1140px max, ~48px
   inline padding on tablet+). */
.paths__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 960px) {
  .paths__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ── Path card ───────────────────────────────────────────────────────────── */

.path {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  isolation: isolate;
  transition: border-color var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

/* Let cards stretch to a consistent min-height only when they sit side-by-side.
   On mobile each card runs full-width and should size to its content. */
@media (min-width: 720px) {
  .path {
    padding: var(--space-8);
    min-height: 420px;
  }
}

.path:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  border-color: var(--color-accent);
}

.path__number {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: var(--fs-5xl);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--color-ink-subtle);
  margin-bottom: var(--space-6);
  opacity: 0.5;
  transition: color var(--duration-base) var(--ease-out),
              opacity var(--duration-base) var(--ease-out);
}

.path:hover .path__number {
  color: var(--color-accent);
  opacity: 1;
}

.path__title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: var(--fs-2xl);
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-snug);
  color: var(--color-ink);
  margin-bottom: var(--space-4);
}

.path__description {
  font-family: var(--font-serif);
  font-size: var(--fs-md);
  line-height: var(--lh-relaxed);
  color: var(--color-ink-muted);
  margin-bottom: var(--space-5);
}

/* Technical metadata chips — monospace spec-sheet strip per pillar.
   Signals this is engineering content, not lifestyle. */
.path__specs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
}

.path__spec {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  padding: 3px 7px;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xs);
  white-space: nowrap;
}

.path__spec--accent {
  color: var(--color-accent-hover);
  border-color: var(--color-accent-soft);
  background: var(--color-accent-soft);
}

.path__lead {
  margin-top: auto;
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-line);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.path__lead-label {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-ink-subtle);
  margin-bottom: var(--space-1);
}

.path__lead-item {
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  color: var(--color-ink);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: color var(--duration-fast) var(--ease-out);
}

.path__lead-item::before {
  content: "→";
  color: var(--color-ink-subtle);
  font-size: 0.85em;
}

.path:hover .path__lead-item {
  color: var(--color-ink);
}

.path__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  color: var(--color-ink);
  transition: gap var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

.path:hover .path__cta {
  gap: var(--space-3);
  color: var(--color-accent);
}

.path__cta svg {
  width: 16px;
  height: 16px;
  transition: transform var(--duration-fast) var(--ease-out);
}

.path:hover .path__cta svg {
  transform: translateX(4px);
}

/* ── Pillar-specific tinting (subtle, accent-border only on hover) ───────── */

.path--treat {
  --path-tint: #A7F3D0;
}

.path--soundproof {
  --path-tint: #BAE6FD;
}

.path--gear {
  --path-tint: #FDE68A;
}

/* Subtle top-edge tinting to differentiate pillars without overwhelming */
.path::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--path-tint, var(--color-accent-soft));
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}

.path:hover::before {
  opacity: 1;
}