/* ═══════════════════════════════════════════════
   IJEN SPA — Treatments page styles
   Depends on: tokens.css, components.css, landing.css
   ═══════════════════════════════════════════════ */

/* ─── HERO ─── */
.tx-hero { padding: 140px 0 80px; position: relative; z-index: 2; text-align: center; }
@media (max-width: 820px) { .tx-hero { padding: 110px 0 48px; } }

.tx-hero-inner { max-width: 780px; margin: 0 auto; }
.tx-h1 {
  font-family: 'Orbitron', sans-serif;
  font-weight: 400;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.15;
  letter-spacing: 1px;
  color: var(--text-primary);
  margin: var(--space-5) 0 var(--space-6);
}
.tx-intro {
  font-family: 'Lato', sans-serif;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto var(--space-10);
}

/* ─── STICKY CATEGORY SWITCHER ─── */
.tx-switcher {
  position: sticky;
  top: 64px;
  z-index: 20;
  background: linear-gradient(180deg, rgba(12,9,5,0.95) 0%, rgba(12,9,5,0.85) 100%);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border-faint);
  border-bottom: 1px solid var(--border-faint);
}
.tx-switcher-inner {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.tx-switcher-inner::-webkit-scrollbar { display: none; }

.tx-tab {
  flex-shrink: 0;
  padding: var(--space-3) var(--space-5);
  font-family: 'Lato', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: var(--r-chip);
  border: 1px solid transparent;
  transition: color var(--t-base), border-color var(--t-base), background var(--t-base);
  white-space: nowrap;
}
.tx-tab:hover { color: var(--text-primary); }
.tx-tab.is-active {
  color: var(--ember);
  border-color: var(--ember);
  background: var(--ember-glow);
}

/* ─── TREATMENT LISTING ─── */
.tx-listing { padding: 80px 0 40px; }
@media (max-width: 820px) { .tx-listing { padding: 48px 0 32px; } }

.tx-group { margin-bottom: 96px; scroll-margin-top: 140px; }
.tx-group:last-of-type { margin-bottom: 48px; }

.tx-group-title {
  font-family: 'Orbitron', sans-serif;
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-faint);
}

.tx-group-sub {
  font-family: 'Lato', sans-serif;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 0 var(--space-8);
}

.tx-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}
@media (max-width: 720px) {
  .tx-grid { grid-template-columns: 1fr; gap: var(--space-3); }
}

/* ─── TREATMENT CARD ─── */
.tx-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--space-8);
  background: linear-gradient(180deg, var(--bg-surface-2) 0%, rgba(23,18,10,0.5) 100%);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-card);
  transition: border-color var(--t-panel), transform var(--t-panel), box-shadow var(--t-panel);
}
@media (hover: hover) {
  .tx-card:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
}

.tx-card--signature {
  background: linear-gradient(135deg, var(--ember-glow) 0%, var(--bg-surface-2) 60%);
  border-color: var(--border-warm);
}

.tx-card .c-chip--tag {
  align-self: flex-start;
  margin-bottom: var(--space-3);
}

.tx-card-title {
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.3px;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.tx-card-desc {
  font-family: 'Lato', sans-serif;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: var(--space-5);
  min-height: 44px;
}

.tx-card-durations {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.tx-card-durations li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--space-3) var(--space-4);
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-faint);
  border-radius: 12px;
  font-family: 'Lato', sans-serif;
}
.tx-card-durations li span { font-size: 13px; color: var(--text-muted); letter-spacing: 0.3px; }
.tx-card-durations li strong { font-size: 15px; color: var(--ember); font-weight: 700; }

.tx-card .c-btn { align-self: flex-start; }

/* ─── ADD-ON ROWS ─── */
.tx-addon-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}
@media (max-width: 720px) { .tx-addon-list { grid-template-columns: 1fr; } }

.tx-addon-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  background: var(--bg-surface-2);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-button);
  transition: border-color var(--t-base);
}
.tx-addon-row:hover { border-color: var(--border-strong); }
.tx-addon-name {
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.tx-addon-desc {
  font-family: 'Lato', sans-serif;
  font-size: 12px;
  color: var(--text-muted);
}
.tx-addon-price {
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--ember);
  flex-shrink: 0;
}

/* ─── WHAT TO EXPECT ─── */
.tx-expect {
  padding: 96px 0;
  background: linear-gradient(180deg, var(--bg-base) 0%, rgba(23,18,10,0.35) 100%);
  position: relative;
  z-index: 2;
}
@media (max-width: 820px) { .tx-expect { padding: 64px 0; } }

.tx-expect-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
@media (max-width: 820px) { .tx-expect-grid { grid-template-columns: 1fr; gap: var(--space-4); } }

.tx-expect-item {
  padding: var(--space-8);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-card);
  background: rgba(23,18,10,0.5);
}
.tx-expect-num {
  font-family: 'Orbitron', sans-serif;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--ember);
  opacity: 0.6;
  margin-bottom: var(--space-3);
}
.tx-expect-item h3 {
  font-family: 'Orbitron', sans-serif;
  font-weight: 500;
  font-size: 16px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}
.tx-expect-item p {
  font-family: 'Lato', sans-serif;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
}

/* ─── FINAL CTA ─── */
.tx-cta-final {
  padding: 96px 0 120px;
  position: relative;
  z-index: 2;
  text-align: center;
}
@media (max-width: 820px) { .tx-cta-final { padding: 64px 0 80px; } }

.tx-cta-inner { max-width: 640px; margin: 0 auto; }
.tx-cta-sub {
  font-family: 'Lato', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-muted);
  margin: var(--space-4) 0 var(--space-8);
}

/* ─── NAV active state ─── */
.nav-links a.is-active { color: var(--ember); }