/* ROOT VARIABLES */
:root {
  --primary: #6a4dcf;
  --primary-dark: #5839b8;
  --primary-light: #8f6ad6;
  --text-dark: #1b1b1b;
  --text-medium: #4f4f4f;
  --text-light: #5f6368;
  --bg-white: #ffffff;
  --bg-off-white: #fafbfc;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 32px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 24px 60px rgba(106, 77, 207, 0.15);
  --shadow-xl: 0 32px 75px rgba(106, 77, 207, 0.22);
  --border-radius-sm: 12px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --transition-smooth: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* SECTION CONTAINER */
.event-schedule-premium {
  background: linear-gradient(180deg, var(--bg-off-white) 0%, var(--bg-white) 100%);
  padding: 150px 0;
  position: relative;
  overflow: hidden;
}

/* ANIMATED BACKGROUND ORBS */
.background-orbs {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, #6a4dcf, #8f6ad6);
  top: -100px;
  left: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 350px;
  height: 350px;
  background: linear-gradient(135deg, #8f6ad6, #b794f4);
  top: 40%;
  right: -80px;
  animation-delay: 7s;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, #6a4dcf, #5839b8);
  bottom: -50px;
  left: 50%;
  animation-delay: 14s;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(50px, -50px) scale(1.1);
  }
  66% {
    transform: translate(-30px, 30px) scale(0.9);
  }
}

.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* HEADER */
.schedule-header {
  max-width: 780px;
  margin: 0 auto 100px;
  text-align: center;
}

.schedule-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--primary);
  text-transform: uppercase;
  padding: 10px 24px;
  background: rgba(106, 77, 207, 0.08);
  border: 1px solid rgba(106, 77, 207, 0.2);
  border-radius: 50px;
  animation: fadeInDown 0.8s var(--transition-smooth);
}

.schedule-eyebrow svg {
  width: 16px;
  height: 16px;
  animation: pulse 2s ease-in-out infinite;
}

.schedule-header h2 {
  font-size: 48px;
  font-weight: 700;
  margin: 24px 0;
  color: var(--text-dark);
  line-height: 1.2;
  animation: fadeInUp 0.8s var(--transition-smooth) 0.2s backwards;
}

.schedule-description {
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-light);
  max-width: 680px;
  margin: 0 auto;
  animation: fadeInUp 0.8s var(--transition-smooth) 0.4s backwards;
}

/* GRID */
.schedule-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

/* CARD - NO BACKDROP FILTER OR GLASS EFFECTS */
.event-card {
  position: relative;
  min-height: 680px;
  padding: 48px 40px 32px;
  border-radius: var(--border-radius-lg);
  background: var(--bg-white);
  border: 1.5px solid rgba(106, 77, 207, 0.12);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  transition: all 0.5s var(--transition-smooth);
  opacity: 0;
  animation: cardFadeIn 0.7s var(--transition-smooth) forwards;
  animation-delay: calc(var(--card-index, 0) * 0.15s + 0.6s);
  overflow: hidden;
}

.event-card[data-event-id="1"] {
  --card-index: 0;
}

.event-card[data-event-id="2"] {
  --card-index: 1;
}

.event-card[data-event-id="3"] {
  --card-index: 2;
}

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* CARD SHINE EFFECT */
.card-shine {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.4) 50%,
    transparent 100%
  );
  transform: skewX(-20deg);
  transition: left 0.7s var(--transition-smooth);
  pointer-events: none;
  z-index: 1;
}

.event-card:hover .card-shine {
  left: 100%;
}

.event-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(106, 77, 207, 0.25);
}

/* DATE BADGE */
.event-date {
  position: absolute;
  top: 0;
  right: 40px;
  transform: translateY(-50%);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--bg-white);
  padding: 16px 20px;
  border-radius: var(--border-radius-md);
  text-align: center;
  box-shadow: 0 10px 30px rgba(106, 77, 207, 0.4);
  transition: all 0.4s var(--transition-bounce);
  z-index: 2;
  min-width: 70px;
}

.event-card:hover .event-date {
  transform: translateY(-50%) scale(1.08) rotate(-2deg);
  box-shadow: 0 14px 38px rgba(106, 77, 207, 0.55);
}

.event-date .day {
  font-size: 28px;
  font-weight: 700;
  display: block;
  line-height: 1;
  margin-bottom: 2px;
}

.event-date .month {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.95;
}

/* EVENT CATEGORY */
.event-category {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(106, 77, 207, 0.08);
  padding: 8px 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  margin-top: 12px;
  width: fit-content;
  transition: all 0.3s ease;
}

.event-category svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s var(--transition-bounce);
}

.event-card:hover .event-category {
  background: rgba(106, 77, 207, 0.14);
  transform: translateX(4px);
}

.event-card:hover .event-category svg {
  transform: scale(1.15) rotate(5deg);
}

/* TITLE */
.event-title {
  font-size: 23px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
  color: var(--text-dark);
  transition: color 0.3s ease;
}

.event-card:hover .event-title {
  color: var(--primary);
}

/* LOCATION */
.event-location {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-medium);
  margin-bottom: 28px;
  transition: all 0.3s ease;
}

.event-location svg {
  width: 14px;
  height: 14px;
  fill: var(--primary);
  transition: transform 0.3s var(--transition-bounce);
}

.event-card:hover .event-location svg {
  transform: scale(1.2) translateY(-2px);
}

/* BULLET POINTS */
.event-points {
  list-style: none;
  padding: 0;
  margin: 0 0 auto;
}

.event-points li {
  font-size: 15px;
  color: var(--text-medium);
  line-height: 1.7;
  margin-bottom: 14px;
  padding-left: 32px;
  position: relative;
  transition: all 0.3s ease;
}

.event-points li::before {
  content: attr(data-icon);
  position: absolute;
  left: 0;
  top: 0;
  font-size: 18px;
  transition: transform 0.3s var(--transition-bounce);
}

.event-card:hover .event-points li::before {
  transform: scale(1.2) rotate(10deg);
}

.event-card:hover .event-points li {
  padding-left: 36px;
  color: var(--text-dark);
}

/* EVENT FOOTER */
.event-footer {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

/* EVENT META */
.event-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-medium);
}

.meta-item svg {
  width: 16px;
  height: 16px;
  stroke: var(--primary);
  opacity: 0.7;
}

/* CTA BUTTON */
.btn-event {
  width: 100%;
  height: 58px;
  border-radius: var(--border-radius-sm);
  border: none;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--bg-white);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.4s var(--transition-smooth);
  z-index: 1;
}

.btn-text {
  position: relative;
  z-index: 2;
  transition: transform 0.3s ease;
}

.btn-arrow {
  width: 20px;
  height: 20px;
  stroke-width: 2.5;
  transition: transform 0.4s var(--transition-bounce);
  position: relative;
  z-index: 2;
}

.btn-loader {
  display: none;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--bg-white);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  position: absolute;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.btn-event.loading .btn-text,
.btn-event.loading .btn-arrow {
  opacity: 0;
}

.btn-event.loading .btn-loader {
  display: block;
}

/* Button Gradient Overlay */
.btn-event::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 0;
}

.btn-event:hover::before {
  opacity: 1;
}

.btn-event:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 45px rgba(106, 77, 207, 0.5);
}

.btn-event:hover .btn-arrow {
  transform: translateX(6px);
}

.btn-event:active {
  transform: translateY(-1px) scale(0.98);
  box-shadow: 0 10px 28px rgba(106, 77, 207, 0.4);
}

/* Focus States */
.btn-event:focus-visible {
  outline: 3px solid rgba(106, 77, 207, 0.4);
  outline-offset: 4px;
}

.event-card:focus-within {
  border-color: rgba(106, 77, 207, 0.3);
  box-shadow: var(--shadow-lg), 0 0 0 3px rgba(106, 77, 207, 0.08);
}

/* ANIMATIONS */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

/* RESPONSIVE */
@media (max-width: 1200px) {
  .schedule-grid {
    gap: 32px;
  }
  
  .event-card {
    min-height: 650px;
    padding: 44px 36px 32px;
  }
}

@media (max-width: 1024px) {
  .schedule-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .event-card[data-event-id="3"] {
    --card-index: 2;
  }
}

@media (max-width: 768px) {
  .event-schedule-premium {
    padding: 100px 0;
  }

  .schedule-header {
    margin-bottom: 70px;
  }

  .schedule-header h2 {
    font-size: 36px;
  }

  .schedule-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .event-card {
    min-height: auto;
    padding: 40px 32px 28px;
  }

  .event-date {
    right: 32px;
  }
}

@media (max-width: 480px) {
  .event-schedule-premium {
    padding: 80px 0;
  }

  .container {
    padding: 0 16px;
  }

  .schedule-header h2 {
    font-size: 30px;
  }

  .schedule-description {
    font-size: 15px;
  }

  .event-card {
    padding: 36px 24px 24px;
  }

  .event-date {
    right: 24px;
    padding: 14px 16px;
  }

  .event-date .day {
    font-size: 24px;
  }

  .event-title {
    font-size: 20px;
  }

  .event-points li {
    font-size: 14px;
    padding-left: 28px;
  }

  .event-meta {
    flex-direction: column;
    gap: 10px;
  }

  .btn-event {
    height: 54px;
    font-size: 15px;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}