/* =============================================================================
   sessions.css — Radiant Light Studios
   Styles for /sessions/ page only. Depends on global.css and design-system.css.
   ============================================================================= */

/* =============================================================================
   PAGE HEADER
   ============================================================================= */

.sessions-page-header {
  padding-top: 140px;
  padding-bottom: var(--space-10);
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.sessions-page-header__inner {
  max-width: 800px;
}

.sessions-page-header__h1 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--type-display);
  font-weight: 400;
  line-height: 1.15;
  color: var(--color-text);
  margin-top: var(--space-2);
  margin-bottom: var(--space-5);
}

.sessions-page-header__sub {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: var(--type-body);
  line-height: 1.8;
  color: var(--color-text);
  opacity: 0.65;
  max-width: 560px;
}

/* =============================================================================
   SESSIONS LIST
   Vertical text list. Image follows cursor on desktop via sessions.js.
   ============================================================================= */

.sessions-list {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-10) var(--space-6) var(--space-16);
}

.session-item {
  display: flex;
  gap: var(--space-6);
  padding: var(--space-8) 0;
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.08);
  cursor: default;
  transition: background-color 0.3s ease, margin-left 0.3s ease, padding-left 0.3s ease;
  border-radius: 2px;
}

.session-item:last-child {
  border-bottom: none;
}

.session-item:hover {
  background-color: oklch(from var(--color-accent) l c h / 0.04);
  margin-left: -8px;
  padding-left: 8px;
}

/* Ordinal number — large italic, background decoration */
.session-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--type-display);
  color: var(--color-accent);
  opacity: 0.25;
  line-height: 1;
  flex-shrink: 0;
  width: 80px;
  padding-top: 0.1em; /* optical alignment with session-label */
  user-select: none;
}

.session-item__content {
  flex: 1;
  min-width: 0; /* prevents flex overflow */
}

/* Category label */
.session-label {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: var(--type-label);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

/* Session name headline */
.session-name {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--type-headline);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  transition: color 0.3s ease;
}

.session-item:hover .session-name {
  color: var(--color-accent);
}

/* Body copy */
.session-body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: var(--type-small);
  line-height: 1.8;
  color: var(--color-text);
  opacity: 0.65;
  max-width: 520px;
  margin-bottom: var(--space-3);
}

/* Inline inquire link */
.session-inquire-link {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: var(--type-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: inline-block;
}

.session-item:hover .session-inquire-link {
  opacity: 1;
}

/* =============================================================================
   CURSOR-FOLLOWING SESSION IMAGE
   Created and positioned by sessions.js. Styles here so they apply immediately.
   ============================================================================= */

#rls-session-img {
  position: fixed;
  pointer-events: none;
  width: 280px;
  height: 360px;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 50;
  top: 0;
  left: 0;
  border-radius: 1px;
  /* GPU compositing hint — prevents layout thrashing on transform updates */
  will-change: transform;
}

#rls-session-img.rls-session-img--visible {
  opacity: 1;
}

.rls-img-wrap {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

#rls-session-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Hide on touch/coarse-pointer devices — sessions.js also checks this */
@media (hover: none) {
  #rls-session-img {
    display: none;
  }
}

/* =============================================================================
   WHAT TO EXPECT
   ============================================================================= */

.sessions-expect {
  padding: var(--space-16) var(--space-6);
  background: var(--color-surface);
}

.sessions-expect .inner {
  max-width: 800px;
  margin: 0 auto;
}

.sessions-expect__h2 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--type-headline);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text);
  margin-top: var(--space-2);
  margin-bottom: var(--space-10);
}

.expect-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  list-style: none;
}

.expect-step {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.expect-step__num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 3rem;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.3;
  margin-bottom: var(--space-1);
  user-select: none;
}

.expect-step__title {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--type-small);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.expect-step__body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: var(--type-small);
  line-height: 1.8;
  color: var(--color-text);
  opacity: 0.65;
}

/* =============================================================================
   FAQ — Native details/summary. No JS.
   ============================================================================= */

.sessions-faq {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-16) var(--space-6);
}

.sessions-faq__h2 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--type-headline);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-text);
  margin-top: var(--space-2);
  margin-bottom: var(--space-10);
}

details {
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.08);
  padding: var(--space-4) 0;
}

details:first-of-type {
  border-top: 1px solid oklch(from var(--color-text) l c h / 0.08);
}

summary {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--type-subhead);
  font-weight: 400;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text);
  padding: var(--space-1) 0;
  transition: color 0.2s ease;
}

/* Remove default marker in all browsers */
summary::-webkit-details-marker {
  display: none;
}

summary::marker {
  display: none;
}

summary::after {
  content: '+';
  font-family: var(--font-body);
  font-style: normal;
  font-size: 1.2rem;
  font-weight: 300;
  flex-shrink: 0;
  margin-left: var(--space-4);
  transition: transform 0.3s var(--ease-spring);
  color: var(--color-accent);
}

details[open] summary::after {
  transform: rotate(45deg);
}

details summary:hover {
  color: var(--color-accent);
}

details p {
  padding: var(--space-4) 0 var(--space-2);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: var(--type-body);
  line-height: 1.8;
  color: var(--color-text);
  opacity: 0.7;
  max-width: 640px;
}

/* FAQ CTA */
.sessions-faq__cta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-10);
  flex-wrap: wrap;
}

.sessions-faq__cta-text {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: var(--type-small);
  color: var(--color-text);
  opacity: 0.55;
}

.sessions-faq__cta-link {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: var(--type-label);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-accent);
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  transition: opacity 0.2s ease;
}

.sessions-faq__cta-link:hover {
  opacity: 0.7;
}

/* =============================================================================
   RESPONSIVE
   ============================================================================= */

@media (max-width: 767px) {
  .sessions-page-header {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
    padding-top: 120px;
  }

  .sessions-list {
    padding: var(--space-8) var(--space-4) var(--space-10);
  }

  .session-item {
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-6) 0;
  }

  .session-num {
    width: auto;
    font-size: clamp(2rem, 6vw, 3rem);
    opacity: 0.2;
  }

  .sessions-expect {
    padding: var(--space-10) var(--space-4);
  }

  .expect-steps {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .sessions-faq {
    padding: var(--space-10) var(--space-4);
  }
}