:root {
  --color-primary: #193277;
  --color-primary-dark: #0b2545;
  --color-secondary: #bd9d6c;
  --color-text-dark: #333;
  --color-light-gray: #f4f7f9;
  --color-white: #ffffff;
  --font-cairo: "Cairo", sans-serif;
  --transition-speed: 0.5s;
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
  --radius-md: 10px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  overflow-x: hidden;
  width: 100%;
}


main {
  padding: 1rem 0;
}

.ieee-section {
  padding: 5rem 0;
  margin-bottom: 3rem;
  background-color: var(--color-white);
}

.ieee-section:nth-child(even) {
  background-color: var(--color-light-gray);
}

.section-Txt {
  font-size: 2.5rem;
  color: var(--color-primary-dark);
  text-align: center;
  margin-bottom: 1.5rem;
  font-weight: 800;
  position: relative;
  padding-bottom: 0.8rem;
}

.section-Txt::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 17%;
  transform: translateX(50%);
  width: 420px;
  height: 5px;
  background-color: var(--color-secondary);
  border-radius: var(--radius-md);
}


.title-lecture {
  color: var(--color-secondary);
  font-weight: bold;
  margin-top: 15px;
}
.event-subtitle {
  font-size: 1.8rem;
  color: var(--color-primary-dark);
  margin: 2rem;
  
  font-weight: 700;
}

p {
  margin-bottom: 1rem;
  font-size: 1.05rem;
  color: var(--color-text-dark);
}

.info-block {
  margin-bottom: 3rem;
  padding: 2rem;
  background-color: var(--color-white);
  border-right: 5px solid var(--color-secondary);
  box-shadow: var(--shadow-md);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  transition: border-color var(--transition-speed),
    transform var(--transition-speed);
}

.info-block:hover {
  border-right-color: var(--color-primary);
  transform: translateY(-3px);
}

.event-details-list {
  list-style: none;
  padding: 0;
  margin-top: 1.5rem;
}

.event-details-list li {
  position: relative;
  padding-right: 2rem;
  margin-bottom: 1rem;
  font-size: 1.1rem;
  color: var(--color-primary-dark);
  font-weight: 600;
  border-bottom: 1px dashed rgba(0, 0, 0, 0.1);
  padding-bottom: 0.5rem;
}

.event-details-list li::before {
  content: "➤";
  color: var(--color-secondary);
  position: absolute;
  right: 0;
  font-size: 1rem;
  line-height: 1.2;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 3rem;
}

.gallery-item {
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-speed) box-shadow
    var(--transition-speed);
}

.gallery-item:hover img {
  transform: scale(1.05);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.gallery-item img {
  width: 100%;
  height: 250px;
  display: block;
  transition: transform var(--transition-speed),
    box-shadow var(--transition-speed);

  object-fit: cover;
}
.par-lecture {
  margin-top: 10px;
}
[data-animation] {
  opacity: 0;
  transform: translateY(4rem);
  transition: opacity 0.9s ease-out, transform 0.9s ease-out;
}

[data-animation].animate {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 992px) {
  
  .section-Txt::after {
  content: "";
  display: none;
  
 
}
  .ieee-section {
    padding: 4rem 0;
  }
  .section-Txt {
    font-size: 2.2rem;
  }
  .event-subtitle {
    font-size: 1.6rem;
  }
  .gallery-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {

  .ieee-section {
    padding: 3rem 0;
  }
  .section-Txt {
    font-size: 1rem;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .gallery-img {
    height: 200px;
  }
}
/****************************************مشاريع طلابية ******************************************/
.project-section {
  padding: 5rem 0;
  margin-bottom: 3rem;
  background-color: var(--color-white);
}

.project-section:nth-child(odd) {
  background-color: var(--color-light-gray);
}

.section-title {
  font-size: 2.5rem;
  color: var(--color-primary-dark);
  text-align: center;
  margin-bottom: 1rem;
  font-weight: 800;
  position: relative;
  padding-bottom: 0.8rem;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(50%);
  width: 90px;
  height: 4px;
  background-color: var(--color-secondary);
  border-radius: var(--radius-md);
}

.main-description {
  text-align: center;
  font-size: 1.15rem;
  max-width: 900px;
  margin: 0 auto 3rem;
  color: var(--color-primary-dark);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
  margin-top: 3rem;
}

.project-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-speed),
    box-shadow var(--transition-speed);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-secondary);
}

.project-icon-container {
  width: 100%;
  height: 150px;
  background-color: var(--color-primary-dark);
  display: flex;
  justify-content: center;
  align-items: center;
}

.project-icon-container i {
  font-size: 3.5rem;
  color: var(--color-secondary);
  transition: color var(--transition-speed);
}

.project-card:hover .project-icon-container i {
  color: var(--color-white);
}

.project-content {
  padding: 1.5rem;
  text-align: right;
}

.project-title {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
  font-weight: 700;
}

.project-content p {
  margin-bottom: 0.8rem;
  line-height: 1.5;
  color: var(--color-text-dark);
}

.project-meta {
  font-size: 0.95rem;
  color: var(--color-secondary);
  font-weight: 600;
}

[data-animation] {
  opacity: 0;
  transform: translateY(4rem);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

[data-animation].animate {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 992px) {
  .project-section {
    padding: 4rem 0;
  }
  .section-title {
    font-size: 2.2rem;
  }
  .project-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .project-section {
    padding: 3rem 0;
  }
  .section-Txt{
    font-size: 2rem;
  }
  .project-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .main-description {
    font-size: 1.05rem;
  }
}
/* *******************************رحلات علمية *************************************************/
.trip-section {
  padding: 6rem 0;
  background-color: var(--color-white);
}

.trip-section:nth-child(even) {
  background-color: var(--color-light-gray);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.8rem;
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
  font-weight: 800;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 5px;
  background-color: var(--color-secondary);
  border-radius: 3px;
}

.main-description {
  font-size: 1.15rem;
  max-width: 800px;
  margin: 1.5rem auto 0;
  color: #555;
  font-weight: 400;
}

.trip-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  margin-bottom: 4rem;
  overflow: hidden;
  transition: transform var(--transition-speed);
}

.trip-card:hover {
  transform: translateY(-5px);
}

.trip-content {
  padding: 2.5rem;
  flex: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.trip-gallery {
  flex: 1;
  min-height: 350px;
  overflow: hidden;
}

.trip-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 6s ease-in-out;
}

.trip-card:hover .trip-gallery img {
  transform: scale(1.05);
}

.trip-card:nth-child(even) {
  flex-direction: row-reverse;
}

.trip-content-title {
  font-size: 2rem;
  color: var(--color-primary-dark);
  margin-bottom: 1rem;
  font-weight: 700;
}

.trip-meta {
  font-size: 1rem;
  color: var(--color-secondary);
  margin-bottom: 1.5rem;
  display: flex;
  gap: 20px;
}

.trip-meta span {
  display: flex;
  align-items: center;
  font-weight: 600;
}

.trip-meta i {
  margin-left: 8px;
  color: var(--color-primary);
}

.trip-description-text {
  font-size: 1.1rem;
  color: var(--color-text-dark);
  margin-bottom: 1.5rem;
  line-height: 1.8;
  border-right: 4px solid var(--color-secondary);
  padding-right: 15px;
}

.trip-details {
  list-style: none;
  padding: 0;
  margin-top: 1rem;
}

.trip-details li {
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  font-weight: 600;
  display: flex;
  align-items: center;
}

.trip-details li i {
  margin-left: 10px;
  color: var(--color-secondary);
}

/* Responsive Adjustments */
@media (max-width: 992px) {
  .trip-card {
    flex-direction: column;
    margin-bottom: 3rem;
  }

  .trip-card:nth-child(even) {
    flex-direction: column;
  }

  .trip-gallery {
    order: -1;
    min-height: 250px;
  }

  .trip-content {
    padding: 2rem;
  }

  .section-title {
    font-size: 2.2rem;
  }
}

@media (max-width: 576px) {
  .trip-section {
    padding: 4rem 0;
  }
  .section-title {
    font-size: 2rem;
  }
  .trip-content-title {
    font-size: 1.6rem;
  }
  .main-description {
    font-size: 1rem;
  }
}

/* AOS Setup */
[data-aos] {
  opacity: 0;
  transition-property: opacity, transform;
  transition-duration: 0.8s;
  transition-timing-function: ease-out;
  transform: translateY(30px);
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}
.gallry_grid{
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 15px;
  margin-bottom: 40px ;
}