/* ============================================================
   CLASSES PAGE – classes.css
   ============================================================ */

/* ── Page Hero ──────────────────────────────────────────── */
.page-hero {
  position: relative;
  padding: 10rem 0 5rem;
  background: var(--black);
  color: var(--white);
  border-bottom: 1px solid rgba(214, 207, 191, 0.3);
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/waves.svg') no-repeat bottom right;
  background-size: auto 90%;
  opacity: 0.15;
  pointer-events: none;
}

.page-hero-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 1.5rem;
}

.page-hero-title {
  font-size: 5rem;
  line-height: 0.9;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .page-hero-title { font-size: 9rem; }
}

.page-hero-sub {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--grey);
}

/* ── Intro ──────────────────────────────────────────────── */
.classes-intro {
  padding: 5rem 0 6rem;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.classes-intro-inner {
  max-width: 52rem;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.classes-intro-eyebrow {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-muted);
}

.classes-intro-text {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--ink);
}

/* ── Category Section ───────────────────────────────────── */
.classes-section {
  padding: 6rem 0 7rem;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.classes-section--alt {
  background: var(--paper);
}

/* ── Section Header ─────────────────────────────────────── */
.classes-section-header {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 768px) {
  .classes-section-header {
    grid-template-columns: 5fr 7fr;
    gap: 4rem;
    align-items: start;
  }
}

.classes-section-label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.section-number {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--ink-muted);
  text-transform: uppercase;
}

.classes-section-label h2 {
  font-size: 5.5rem;
  line-height: 0.85;
  text-transform: uppercase;
  color: var(--ink);
}

@media (min-width: 768px) {
  .classes-section-label h2 { font-size: 8rem; }
}

@media (min-width: 1280px) {
  .classes-section-label h2 { font-size: 10rem; }
}

.classes-section-info {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 1rem;
  padding-bottom: 0.5rem;
}

.classes-section-tagline {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
}

.classes-section-desc {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--ink-muted);
  max-width: 40rem;
}

/* ── Classes Grid ───────────────────────────────────────── */
.classes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .classes-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .classes-grid { grid-template-columns: repeat(3, 1fr); }
}

.classes-grid--2col {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .classes-grid--2col { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .classes-grid--2col {
    grid-template-columns: repeat(2, 1fr);
    max-width: 60rem;
  }
}

/* ── Class Tile ─────────────────────────────────────────── */
.class-tile {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: border-color 200ms, transform 200ms;
}

.class-tile:hover {
  border-color: var(--ink);
  transform: translateY(-3px);
}

.classes-section--alt .class-tile {
  background: var(--surface);
}

.class-tile-tagline {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.5rem;
}

.class-tile-name {
  font-size: 2rem;
  line-height: 1;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 1.25rem;
}

@media (min-width: 768px) {
  .class-tile-name { font-size: 2.25rem; }
}

.class-tile-desc {
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--ink-muted);
  flex: 1;
  margin-bottom: 1.5rem;
}

/* ── Formats ────────────────────────────────────────────── */
.class-tile-formats {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.formats-label {
  display: block;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ink-muted);
  margin-bottom: 0.6rem;
}

.formats-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.formats-list li {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 0.3rem 0.65rem;
}

/* ── Class Tile CTA ─────────────────────────────────────── */
.class-tile-cta {
  display: inline-block;
  margin-top: 1.5rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: opacity 150ms;
}

.class-tile-cta:hover {
  opacity: 0.5;
}

/* ── Booking CTA ────────────────────────────────────────── */
.booking-cta {
  background: var(--black);
  color: var(--white);
  padding: 8rem 0;
}

.booking-cta-inner {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

@media (min-width: 768px) {
  .booking-cta-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }
}

.booking-cta-title {
  font-size: 3.5rem;
  line-height: 0.9;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

@media (min-width: 768px) {
  .booking-cta-title { font-size: 5rem; }
}

.booking-cta-sub {
  font-size: 0.875rem;
  color: var(--grey);
  font-weight: 500;
  max-width: 30rem;
}

.booking-cta-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .booking-cta-actions { align-items: flex-end; }
}

.btn-book-large {
  display: inline-block;
  background: var(--white);
  color: var(--black);
  padding: 1.25rem 3rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border: 1px solid var(--white);
  transition: background 150ms, color 150ms;
  white-space: nowrap;
}

.btn-book-large:hover {
  background: transparent;
  color: var(--white);
}

.btn-locations-link {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--grey);
  border-bottom: 1px solid var(--grey);
  padding-bottom: 0.2rem;
  transition: color 150ms, border-color 150ms;
}

.btn-locations-link:hover {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ── Active nav link ────────────────────────────────────── */
.nav-links a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}