/* ==========================================================================
   events.css — page-specific styles for upcoming-events.html + past-events.html
   Relies on tokens / fonts / .container / .section / .section__title from
   css/style.css. Only layout + event-card visuals live here.
   ========================================================================== */

/* ---------- Page hero ---------------------------------------------------- */
.events-hero {
  padding: 160px 24px 72px;
  background: var(--bg-canvas);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.events-hero .container {
  position: relative;
  z-index: 1;
}

.events-hero::after {
  /* Huge decorative italic ampersand — brand watermark */
  content: '&';
  position: absolute;
  right: -2rem;
  bottom: -6rem;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(14rem, 30vw, 24rem);
  font-weight: 500;
  line-height: 1;
  color: var(--kletu-deep-red);
  opacity: 0.06;
  pointer-events: none;
  z-index: 0;
}

.events-hero__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--kletu-quicksand);
  margin-bottom: 20px;
}

.events-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 5rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0 0 20px;
  text-wrap: balance;
}

.events-hero__title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--kletu-deep-red);
}

.events-hero__lead {
  max-width: 640px;
  font-size: clamp(1.125rem, 1.6vw, 1.25rem);
  line-height: 1.55;
  color: var(--text-secondary);
  margin: 0 0 36px;
}

.events-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.events-hero__jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--kletu-deep-red);
  background: transparent;
  border: 1.5px solid var(--kletu-deep-red);
  border-radius: var(--radius-sm);
  transition: background 0.3s var(--ease-out), color 0.3s var(--ease-out), transform 0.15s var(--ease-out);
}

.events-hero__jump a:hover {
  background: var(--kletu-deep-red);
  color: #fff;
}

.events-hero__jump a:active { transform: scale(0.98); }

.events-hero__jump i { font-size: 0.9rem; }


/* ---------- Section wrappers -------------------------------------------- */
.events-section {
  background: var(--bg-white);
}

.events-section--past {
  background: var(--kletu-ivory);
}

.events-section__header {
  text-align: center;
  margin-bottom: 64px;
  position: relative;
}

/* Count — editorial ribbon with flanking rule lines */
.events-section__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--kletu-slate);
}

.events-section__count::before,
.events-section__count::after {
  content: '';
  display: inline-block;
  width: clamp(32px, 8vw, 64px);
  height: 1px;
  background: var(--kletu-nutmeg);
}

/* Detail — italic serif second line (nearest or most-recent date) */
.events-section__detail {
  display: block;
  margin-top: 10px;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.45;
  color: var(--kletu-quicksand);
}

/* ==========================================================================
   Filter Controls & Search Bar
   ========================================================================== */
.events-filter-bar {
  background: var(--bg-surface, #ffffff);
  border: 1px solid var(--border, rgba(0, 0, 0, 0.08));
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 40px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.events-filter-bar__grid {
  display: grid;
  grid-template-columns: 3fr 1fr 1fr;
  gap: 12px;
  align-items: center;
}

.events-search-wrap {
  position: relative;
}

.events-search-wrap i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--kletu-slate, #666);
  font-size: 1.1rem;
  pointer-events: none;
}

.events-search-input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  background: var(--bg-canvas, #f9f9f9);
  border: 1px solid var(--border, #ddd);
  border-radius: 8px;
  color: var(--text-primary, #111);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.events-search-input:focus {
  outline: none;
  border-color: var(--kletu-deep-red, #6B170D);
  box-shadow: 0 0 0 3px rgba(107, 23, 13, 0.1);
  background: #ffffff;
}

.events-filter-select {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--bg-canvas, #f9f9f9);
  border: 1px solid var(--border, #ddd);
  border-radius: 8px;
  color: var(--text-primary, #111);
  cursor: pointer;
  transition: border-color 0.2s;
}

.events-filter-select:focus {
  outline: none;
  border-color: var(--kletu-deep-red, #6B170D);
}

.events-filter-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border, rgba(0, 0, 0, 0.06));
}

.events-filter-pill {
  padding: 7px 16px;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--kletu-slate);
  background: var(--kletu-ivory, #f4efe9);
  border: 1px solid var(--kletu-sand, #e2d9ce);
  border-radius: 20px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s var(--ease-out);
}

.events-filter-pill:hover,
.events-filter-pill.active {
  background: var(--kletu-deep-red, #6B170D);
  color: #ffffff;
  border-color: var(--kletu-deep-red, #6B170D);
}

/* ---------- Mobile UX Optimizations for Filter Bar ---------- */
@media (max-width: 768px) {
  .events-filter-bar {
    padding: 16px;
    margin-bottom: 28px;
    border-radius: 14px;
  }

  .events-filter-bar__grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .events-search-wrap {
    grid-column: 1 / -1;
  }

  .events-filter-pills {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    padding-top: 14px;
    padding-bottom: 6px;
    margin-top: 12px;
    scrollbar-width: none;
    -ms-overflow-style: none;
    position: relative;
  }

  .events-filter-pills::-webkit-scrollbar {
    display: none;
  }

  .events-filter-pill {
    flex: 0 0 auto;
    scroll-snap-align: start;
    padding: 8px 16px;
    font-size: 0.8125rem;
  }
}

.event-card__society-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--kletu-deep-red);
  background: rgba(107, 23, 13, 0.08);
  padding: 3px 8px;
  border-radius: 3px;
  margin-bottom: 10px;
}

.events-section__detail strong {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kletu-deep-red);
  margin-right: 10px;
}

.events-section__detail[hidden] { display: none; }


/* ---------- Grid of event cards ----------------------------------------- */
.events-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

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

@media (min-width: 1024px) {
  .events-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
}


/* ---------- Event card -------------------------------------------------- */
.event-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-white);
  border: 1px solid var(--kletu-sand);      /* warm beige — visible on both white and ivory sections */
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(67, 59, 54, 0.05);   /* subtle always-on shadow gives the card physical presence */
  transition: border-color 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out), transform 0.35s var(--ease-out);
}

.event-card:hover {
  border-color: rgba(107, 23, 13, 0.22);
  box-shadow: 0 16px 40px rgba(107, 23, 13, 0.10);
  transform: translateY(-4px);
}

/* Full-card link wraps image + body; CTA stays focus-able for keyboard users */
.event-card__link {
  display: flex;
  flex-direction: column;
  flex: 1;
  color: inherit;
  text-decoration: none;
}

.event-card__link:focus-visible {
  outline: 2px solid var(--kletu-deep-red);
  outline-offset: -2px;
}

/* Media — 4:3 aspect, image fills, date badge on top-right */
.event-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--kletu-ivory);
}

.event-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.event-card:hover .event-card__media img {
  transform: scale(1.04);
}

/* Fallback when image is missing — show a subtle pattern instead of broken icon */
.event-card__media-img--placeholder {
  opacity: 0.18;
  filter: grayscale(0.3);
  object-fit: contain;
  padding: 28%;
}

.event-card__date {
  position: absolute;
  top: 14px;
  left: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 3px;
  text-align: center;
  line-height: 1;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.event-card__date-day {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.event-card__date-month {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--kletu-quicksand);
  margin-top: 2px;
}

/* Category tag — top-right corner, optional */
.event-card__category {
  position: absolute;
  top: 14px;
  right: 14px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #fff;
  background: var(--kletu-deep-red);
  padding: 5px 10px;
  border-radius: 3px;
}


/* Body */
.event-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 24px 22px 26px;
}

.event-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: 0 0 10px;
  text-wrap: balance;
  transition: color 0.3s var(--ease-out);
}

.event-card:hover .event-card__title {
  color: var(--kletu-deep-red);
}

.event-card__description {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--text-tertiary);
  margin: 0 0 20px;
  /* Clamp to ~3 lines for visual consistency across cards */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.event-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--kletu-deep-red);
  transition: gap 0.3s var(--ease-out);
}

.event-card__cta i {
  font-size: 0.9rem;
  transition: transform 0.3s var(--ease-out);
}

.event-card:hover .event-card__cta i {
  transform: translateX(4px);
}


/* ---------- Empty state ------------------------------------------------- */
.events-empty {
  text-align: center;
  padding: 48px 24px;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-style: italic;
  color: var(--kletu-quicksand);
  border: 1px dashed var(--border);
  border-radius: 4px;
}


/* ---------- Past section: slightly muted cards -------------------------- */
.events-section--past .event-card {
  background: #fff;
}


/* ---------- Entry animation for rendered cards -------------------------- */
.event-card {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out),
              border-color 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
  transition-delay: calc(var(--card-index, 0) * 60ms);
}

.event-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hover transforms override translateY — re-apply explicitly */
.event-card.is-visible:hover {
  transform: translateY(-4px);
}


@media (prefers-reduced-motion: reduce) {
  .event-card,
  .event-card__media img,
  .event-card__title,
  .event-card__cta,
  .event-card__cta i {
    transition: none !important;
  }
  .event-card { opacity: 1; transform: none; }
  .event-card:hover { transform: none; }
}

/* ---------- Hero Section Slider ------------------------------------------ */
.events-hero-slider {
  position: relative;
  height: clamp(480px, 60vh, 640px);
  width: 100%;
  background: #0d0c0b;
  overflow: hidden;
}

.events-slides-wrap {
  width: 100%;
  height: 100%;
  position: relative;
}

.events-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  z-index: 1;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.8s;
  display: flex;
  align-items: center;
}

.events-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.events-slide__bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0.32; /* Deep overlay for text contrast */
  transition: transform 6s var(--ease-out);
  z-index: 1;
}

.events-slide__bg--fallback {
  background-color: var(--kletu-deep-red);
  opacity: 0.15;
}

.events-slide.active .events-slide__bg {
  transform: scale(1.04);
}

.events-slide__content {
  position: relative;
  z-index: 2;
  padding: 120px 24px 72px;
  max-width: 860px;
}

.events-slide__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--kletu-nutmeg);
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(15px);
  transition: transform 0.6s var(--ease-out), opacity 0.6s var(--ease-out);
}

.events-slide.active .events-slide__eyebrow {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.2s;
}

.events-slide__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--bg-white);
  margin: 0 0 20px;
  text-wrap: balance;
  opacity: 0;
  transform: translateY(20px);
  transition: transform 0.7s var(--ease-out), opacity 0.7s var(--ease-out);
}

.events-slide__title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--kletu-nutmeg);
}

.events-slide.active .events-slide__title {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.3s;
}

.events-slide__lead {
  font-size: clamp(1.125rem, 1.6vw, 1.25rem);
  line-height: 1.55;
  color: var(--border);
  margin: 0 0 36px;
  max-width: 680px;
  opacity: 0;
  transform: translateY(15px);
  transition: transform 0.6s var(--ease-out), opacity 0.6s var(--ease-out);
}

.events-slide.active .events-slide__lead {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.4s;
}

.events-slide__actions {
  opacity: 0;
  transform: translateY(15px);
  transition: transform 0.6s var(--ease-out), opacity 0.6s var(--ease-out);
}

.events-slide.active .events-slide__actions {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.5s;
}

/* Slider navigation arrows */
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--bg-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: background 0.3s, border-color 0.3s, transform 0.15s;
}

.slider-arrow:hover {
  background: var(--kletu-deep-red);
  border-color: var(--kletu-deep-red);
}

.slider-arrow:active {
  transform: translateY(-50%) scale(0.95);
}

.slider-arrow i {
  font-size: 1.25rem;
}

.slider-arrow--prev {
  left: 32px;
}

.slider-arrow--next {
  right: 32px;
}

/* Slider pagination dots */
.slider-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 0.3s, transform 0.3s;
}

.slider-dot.active {
  background: var(--kletu-nutmeg);
  transform: scale(1.2);
}

@media (max-width: 768px) {
  .events-hero-slider {
    height: 480px;
  }
  .slider-arrow {
    display: none;
  }
  .events-slide__content {
    padding-top: 100px;
  }
}