/* ========================================
   Main Button Section
======================================== */
.main-button {
  text-align: center;
  margin-top: 30px;
}

.main-button a {
  display: inline-block;
  background-color: #8865E1 !important;
  color: #fff !important;
  font-size: 14px;
  font-weight: 500;
  height: 40px;
  line-height: 40px;
  padding: 0 200px !important;
  text-decoration: none;
  transition: all 0.3s;
  margin-bottom: 20px;
}

.main-button a:hover {
  background-color: #fff !important;
  color: #8865E1 !important;
}


/* ========================================
   Container & Main Layout
======================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

main {
  margin-top: 80px;
  padding: 40px 20px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}


/* ========================================
   Course Title Section
======================================== */
.course-title-section {
  text-align: center;
  margin-bottom: 50px;
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.course-title-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
}

.course-title-section h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #333;
  margin-bottom: 40px;
}


/* ========================================
   Countdown Timer
======================================== */
.countdown-timer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  max-width: 500px;
  margin: -10px auto;
  padding: 20px;
  border: 1px solid #e0e0e0; 
}

.time-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 70px;
}

.time-number {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
  color: #333;
}

.time-label {
  font-size: 14px;
  color: #666;
  margin-top: 5px;
}

.time-divider {
  width: 1px;
  height: 50px;
  background-color: #e0e0e0;
}


/* ========================================
   Course Content Layout
======================================== */
.content-box {
  background: rgba(249, 249, 249, 0.9);
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.course-image {
  width: 100%;
  margin-bottom: 30px;
  overflow: hidden;
}

.course-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
}

.main-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
}

.content-left {
  background: transparent;
  padding: 0;
  box-shadow: none;
}


/* ========================================
   Content Sections
======================================== */
.content-section {
  margin-bottom: 40px;
}

.content-section h3 {
  font-size: 18px;
  color: #333;
  margin-bottom: 20px;
}

.content-section p {
  color: #666;
  margin-bottom: 15px;
  line-height: 1.7;
  font-size: 16px;
}

.content-section ul {
  list-style: none;
  padding: 0;
}

.content-section li {
  color: #666;
  margin-bottom: 10px;
  padding-left: 20px;
  position: relative;
}

.content-section li:before {
  content: "•";
  color: #8865E1;
  font-weight: bold;
  position: absolute;
  left: 0;
}


/* ========================================
   Accordion (Replaced but styles retained)
======================================== */
/* Retained for backward compatibility */
.accordion-item,
.accordion-header,
.accordion-content,
.accordion-title-section,
.accordion-details,
.detail-item,
.detail-separator,
.accordion-icon,
.lesson-grid,
.lesson-item {
  /* These styles are no longer needed */
}


/* ========================================
   Sidebar Content
======================================== */
.content-right {
  position: sticky;
  top: 120px;
  height: fit-content;
}

.sidebar-card {
  background: rgba(249, 249, 249, 0.9);
  padding: 30px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}


/* ========================================
   Event Date Card
======================================== */
.event-date-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  margin-bottom: 25px;
  border: 1px solid #c0c2c5;
}

.date-number {
  font-size: 3rem;
  font-weight: 700;
  color: #333;
  line-height: 1;
  min-width: 60px;
  text-align: center;
}

.date-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.month-year,
.time-range {
  font-size: 16px;
  font-weight: 600;
  color: #333;
  line-height: 1.2;
}

.timezone {
  font-size: 13px;
  color: #666;
  line-height: 1.2;
}


/* ========================================
   Calendar Section
======================================== */
.calendar-section {
  margin-bottom: 25px;
  padding-bottom: 20px;
  border-bottom: 1px solid #c0c2c5;
}

.calendar-section p {
  margin-bottom: 15px;
  font-weight: 600;
  color: #333;
  font-size: 14px;
}

.calendar-icons {
  display: flex;
  gap: 10px;
}

.calendar-icons img {
  width: 35px;
  height: 35px;
  border-radius: 6px;
  transition: transform 0.3s;
}

.calendar-icons img:hover {
  transform: scale(1.1);
}


/* ========================================
   Info Section
======================================== */
.info-section {
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid #c0c2c5;
}

.info-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.info-section h4 {
  font-weight: 600;
  color: #333;
  margin-bottom: 8px;
  font-size: 14px;
}

.info-section p {
  color: #666;
  margin-bottom: 8px;
  font-size: 16px;
  line-height: 1.5;
}

.info-section p i {
  margin-right: 8px;
  color: #8865E1;
}


/* ========================================
   Social Icons
======================================== */
.social-icons {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.social-icons i {
  font-size: 1.3rem;
  color: #666;
  cursor: pointer;
  transition: color 0.3s;
}

.social-icons i:hover {
  color: #8865E1;
}


/* ========================================
   Skills Grid Section
======================================== */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 20px;
}

.skill-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: #666;
  font-size: 15px;
  line-height: 1.6;
  padding: 15px;
  background: rgba(136, 101, 225, 0.05);
  border-radius: 8px;
  border-left: 3px solid #8865E1;
  transition: all 0.3s ease;
}

.skill-item:hover {
  background: rgba(136, 101, 225, 0.1);
  transform: translateX(5px);
}

.skill-item i {
  color: #22c55e;
  font-size: 18px;
  margin-top: 2px;
  flex-shrink: 0;
}

.skill-item span {
  font-weight: 500;
  color: #333;
}


/* ========================================
   Skills Tags
======================================== */
.skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.skill-tag {
  background: #f8f9fa;
  border: 1px solid #e9ecef;
  padding: 8px 16px;
  font-size: 14px;
  color: #495057;
  font-weight: 500;
}


/* ========================================
   Responsive Design
======================================== */
@media (max-width: 768px) {
  .main-content {
    grid-template-columns: 1fr;
    gap: 0px;
  }

  .course-title-section h1 {
    font-size: 2rem;
  }

  .content-box,
  .sidebar-card {
    padding: 20px;
  }

  .lesson-grid {
    grid-template-columns: 1fr;
  }

  .event-date-card {
    flex-direction: column;
    text-align: center;
    gap: 15px;
    padding: 15px;
  }

  .date-number {
    font-size: 2.5rem;
  }

  .date-details {
    align-items: center;
  }

  .accordion-details {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .detail-separator {
    display: none;
  }

  .accordion-header {
    padding: 15px;
  }

  .accordion-title {
    font-size: 16px;
  }

  .detail-item {
    font-size: 13px;
  }

  .skills-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .skill-item {
    padding: 12px;
    font-size: 14px;
  }

  .skill-item i {
    font-size: 16px;
  }
}

/* Small Devices */
@media (max-width: 540px) {
  .countdown-timer {
    gap: 15px;
    padding: 15px;
    max-width: 350px;
  }

  .time-unit {
    width: 60px;
  }

  .time-number {
    font-size: 28px;
  }

  .time-label {
    font-size: 12px;
  }
}


@media (max-width: 392px) {
  .countdown-timer {
    gap: 15px;
    padding: 15px;
    max-width: 300px;
  }

  .time-unit {
    width: 60px;
  }

  .time-number {
    font-size: 18px;
  }

  .time-label {
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .course-title-section h1 {
    font-size: 1.5rem;
  }

  .course-title-section {
    padding: 20px;
  }

  .event-date-card {
    padding: 12px;
    gap: 10px;
  }

  .date-number {
    font-size: 2rem;
    min-width: 50px;
  }

  .month-year {
    font-size: 15px;
  }

  .time-range {
    font-size: 13px;
  }

  .timezone {
    font-size: 12px;
  }

  .accordion-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .accordion-icon {
    align-self: flex-end;
    margin-left: 0;
  }

  .skills-grid {
    gap: 12px;
  }

  .skill-item {
    padding: 10px;
    font-size: 13px;
  }
}


html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1 0 auto;
}

footer {
  flex-shrink: 0;
  /* تصميم الفوتر */
}


@media (max-width: 550px) {
  .main-button a {
    padding: 0 30px !important;
    width: 100%;
    box-sizing: border-box;
    font-size: 14px;
  }

  .head-title h1,
  .course-title-section h1 {
    font-size: 1.4rem;
    text-align: center;
    padding: 0 10px;
    word-break: break-word;
  }

  .main-content {
    display: block;
    padding: 0;
  }

  .content-left,
  .content-right,
  .content-box,
  .sidebar-card {
    width: 100%;
    box-sizing: border-box;
  }

  .content-box {
    padding: 15px;
  }

  .sidebar-card {
    padding: 15px;
    margin-top: 20px;
  }

  .skills-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .skill-item {
    font-size: 13px;
    padding: 10px;
  }
}