/* ===== CSS Variables ===== */
:root {
  --color-blue: #007bff;
  --color-orange: #ff8c00;
  --color-green: #28a745;
  --color-purple: #6f42c1;
  --color-dark: #2d3436;
  --color-light: #f8f9fa;
  --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.12);
  --radius: 16px;
  --transition: 0.3s ease;
}

/* ===== Reset & Base ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--color-light);
  color: var(--color-dark);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}
img {
  max-width: 100%;
  display: block;
}

/* ===== Container ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== Typography ===== */
h2 {
  text-align: center;
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 2.5rem;
  background: linear-gradient(45deg, var(--color-blue), var(--color-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2.text-left {
  text-align: left;
  -webkit-text-fill-color: var(--color-blue);
  background: none;
  color: var(--color-blue);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 0.6rem 1.8rem;
  background: var(--color-blue);
  color: #fff;
  border-radius: 50px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.btn:hover {
  background: var(--color-purple);
  transform: translateY(-2px);
}

/* ===== Cards ===== */
.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  transition: var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

/* ===== Grid ===== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* ===== Flex ===== */
.flex {
  display: flex;
}
.flex-wrap {
  flex-wrap: wrap;
}
.gap-2 {
  gap: 1rem;
}
.gap-4 {
  gap: 2rem;
}

/* ===== Spacing ===== */
.mt-4 {
  margin-top: 2rem;
}
.mt-5 {
  margin-top: 3rem;
}

.mb-3 {
  margin-bottom: 1.5rem;
}
.mb-4 {
  margin-bottom: 2rem;
}
.mb-5 {
  margin-bottom: 3rem;
}

.py-5 {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.p-4 {
  padding: 2rem;
}
.p-5 {
  padding: 3rem;
}

/* ===== Text Utilities ===== */
.text-center {
  text-align: center;
}
.text-muted {
  color: #6c757d;
}
.text-primary {
  color: var(--color-blue);
}
.text-warning {
  color: var(--color-orange);
}
.text-success {
  color: var(--color-green);
}
.text-white {
  color: #fff;
}

.fw-bold {
  font-weight: 700;
}
.fw-semibold {
  font-weight: 600;
}
.fst-italic {
  font-style: italic;
}
.lead {
  font-size: 1.15rem;
}

/* ===== Backgrounds ===== */
.bg-light {
  background: var(--color-light);
}
.bg-gradient-primary {
  background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
}

/* ===== Borders ===== */
.border-left-green {
  border-left: 4px solid var(--color-green);
}

.rounded {
  border-radius: var(--radius);
}

.shadow {
  box-shadow: var(--shadow);
}
.shadow-hover:hover {
  box-shadow: var(--shadow-hover);
}

/* ===== Animation ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transition: all 0.7s ease-out;
}
.animate-on-scroll.visible {
  animation: fadeInUp 0.7s forwards;
}

/* ===== Navbar ===== */
.navbar {
  background: #fff;
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.navbar .logo {
  height: 50px;
  width: auto;
}
.navbar .brand {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(
    90deg,
    var(--color-orange),
    var(--color-blue),
    var(--color-green)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.navbar .eu-logo {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  flex: 1;
  justify-content: center;
  gap: 1.5rem;
  align-items: center;
}
.nav-links a {
  font-weight: 600;
  font-size: 1rem;
  padding: 0.3rem 0;
  position: relative;
  transition: var(--transition);
}
.nav-links a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background: linear-gradient(90deg, var(--color-blue), var(--color-orange));
  transition: var(--transition);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}
.nav-links a:hover {
  color: var(--color-orange);
}
.nav-links a.active {
  color: var(--color-blue);
}

.nav-links .instagram-link {
  font-size: 1.3rem;
  color: #e1306c;
  transition: var(--transition);
}
.nav-links .instagram-link:hover {
  transform: scale(1.2);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  width: 28px;
  height: 3px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-left {
  display: flex;
  flex: 1;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  text-align: center;
  color: #fff;
  overflow: hidden;
}
.hero .bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero .bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 20%;
}
.hero .content {
  padding: 2rem;
  max-width: 800px;
  z-index: 1;
}
.hero h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 1);
}
.hero .subtitle {
  font-size: 1.4rem;
  background: rgba(0, 0, 0, 0.25);
  padding: 0.5rem 1.5rem;
  border-radius: 16px;
  display: inline-block;
  margin-bottom: 1rem;
}
.hero .desc {
  font-size: 1.1rem;
  background: rgba(0, 0, 0, 0.25);
  padding: 0.5rem 1.5rem;
  border-radius: 16px;
  line-height: 1.6;
}

/* ===== Info Cards ===== */
.info-card {
  background: #fff;
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
  border-bottom: 4px solid var(--color-blue);
  height: 100%;
}
.info-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.info-card i {
  font-size: 2rem;
  color: var(--color-orange);
  margin-bottom: 0.75rem;
}
.info-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.info-card p {
  font-size: 0.9rem;
  color: #6c757d;
  line-height: 1.5;
}

/* ===== Objective Cards ===== */
.obj-card {
  background: #fff;
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
  border-top: 4px solid var(--color-purple);
  height: 100%;
}
.obj-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.obj-card .icon {
  width: 60px;
  height: 60px;
  background: rgba(0, 123, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}
.obj-card .icon i {
  font-size: 1.5rem;
  color: var(--color-blue);
}
.obj-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.obj-card p {
  font-size: 0.85rem;
  color: #6c757d;
  line-height: 1.6;
}

/* ===== Mentor Cards ===== */
.mentor-card {
  background: #fff;
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
  border-top: 4px solid var(--color-purple);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.mentor-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.mentor-card img,
.mentor-card .avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 0.75rem;
  border: 3px solid var(--color-blue);
  flex-shrink: 0;
}
.mentor-card .avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #e9ecef;
  font-size: 1.5rem;
  font-weight: 700;
  color: #6c757d;
}
.mentor-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}
.mentor-card p {
  font-size: 0.85rem;
  color: #6c757d;
}

/* ===== Organization Cards ===== */
.org-card {
  background: #fff;
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
  border-top: 4px solid var(--color-blue);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.org-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.org-card .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
}
.org-card .label.coordinator {
  color: var(--color-blue);
}
.org-card .label.partner {
  color: var(--color-orange);
}
.org-card img {
  height: 60px;
  object-fit: contain;
  margin: 0.75rem auto;
}
.org-card h4 {
  font-weight: 700;
  margin-bottom: 0.25rem;
}
.org-card .country {
  font-size: 0.9rem;
  color: #6c757d;
}
.org-card .desc {
  font-size: 0.85rem;
  color: #6c757d;
  margin-top: 0.5rem;
  flex: 1;
}

/* ===== Leader Cards ===== */
.leader-card {
  background: #fff;
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
  border-top: 4px solid var(--color-dark);
  height: 100%;
}
.leader-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.leader-card i {
  font-size: 2.5rem;
  color: var(--color-blue);
  margin-bottom: 0.75rem;
}
.leader-card h4 {
  font-weight: 700;
}
.leader-card .role {
  color: #6c757d;
  font-weight: 600;
}

/* ===== Gallery Cards ===== */
.gallery-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-top: 4px solid var(--color-orange);
  height: 100%;
  max-height: 600px;
  display: flex;
  flex-direction: column;
}
.gallery-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.gallery-card .slider {
  position: relative;
  padding-bottom: 75%; /* 4:3 Aspect Ratio */
  height: 0;
  overflow: hidden;
  flex-shrink: 0;
}
.gallery-card .slider-track {
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  width: 200%;
  height: 100%;
  transition: transform 0.4s ease;
}
.gallery-card .slider-track img {
  width: 50%;
  height: 100%;
  object-fit: cover;
  flex-shrink: 0;
}
.gallery-card .slider-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 2;
}
.gallery-card .slider-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition);
}
.gallery-card .slider-dots span.active {
  background: #fff;
  transform: scale(1.2);
}

.gallery-card .body {
  padding: 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0; /* Prevents flex overflow issues */
}
.gallery-card .body h6 {
  font-weight: 700;
  margin-bottom: 0.25rem;
}
.gallery-card .body p {
  font-size: 0.85rem;
  color: #6c757d;
  line-height: 1.5;
  overflow-y: scroll; /* Makes text scrollable */
  flex: 1;
  padding-right: 2px; /* Space for scrollbar */
}

/* ===== Quote Cards ===== */
.quote-card {
  background: #fff;
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--color-purple);
  height: 100%;
}
.quote-card .day {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-blue);
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.quote-card .text {
  font-style: italic;
  margin-bottom: 0.75rem;
}
.quote-card .author {
  text-align: right;
  font-weight: 700;
  font-size: 0.9rem;
  color: #6c757d;
}

/* ===== Timeline (Activities) ===== */
.timeline-item {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.timeline-item .day {
  flex-shrink: 0;
  width: 70px;
  height: 70px;
  background: var(--color-blue);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  text-align: center;
  line-height: 1.2;
}
.timeline-item .content {
  background: #fff;
  padding: 1.25rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  flex: 1;
}
.timeline-item .content h4 {
  color: var(--color-blue);
  margin-bottom: 0.75rem;
}
.timeline-item .content ul {
  list-style: none;
  padding: 0;
}
.timeline-item .content ul li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  color: #495057;
}
.timeline-item .content ul li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-orange);
  font-weight: 700;
}

/* ===== Badges ===== */
.badge {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: #fff;
  border-radius: 50px;
  box-shadow: var(--shadow);
  font-weight: 600;
  font-size: 0.9rem;
}
.badge i {
  color: var(--color-orange);
  margin-right: 0.5rem;
}

/* ===== Footer ===== */
.footer {
  background: var(--color-dark);
  color: #fff;
  padding: 2.5rem 1.5rem;
  margin-top: 3rem;
  text-align: center;
}
.footer .legal {
  font-size: 0.8rem;
  color: #adb5bd;
  max-width: 800px;
  margin: 0 auto 1.5rem;
  text-align: center;
}
.footer .legal p {
  margin-bottom: 0.5rem;
}
.footer .legal strong {
  color: #dee2e6;
}
.footer .disclaimer {
  font-size: 0.8rem;
  color: #adb5bd;
  max-width: 800px;
  margin: 0 auto 1rem;
}
.footer .copy {
  color: var(--color-orange);
  font-weight: 700;
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    gap: 1rem;
    width: 100%;
  }
  .nav-links.open {
    display: flex;
  }

  .navbar {
    flex-direction: column;
    padding: 0.75rem 1rem;
    gap: 0.5rem;
  }
  .nav-left {
    width: 100%;
    justify-content: center;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2rem;
  }
  .hero .subtitle {
    font-size: 1.1rem;
  }
  .hero .desc {
    font-size: 1rem;
  }

  h2 {
    font-size: 1.8rem;
  }
  h2.text-left {
    margin-top: 2rem;
    text-align: center;
  }

  .timeline-item {
    flex-direction: column;
    align-items: center;
  }
  .timeline-item .day {
    width: 60px;
    height: 60px;
    font-size: 0.75rem;
  }

  .gallery-card .slider {
    padding-bottom: 75%;
  }

  .navbar .logo {
    height: 70px;
  }
  .navbar .eu-logo {
    height: 40px;
  }
  .navbar .brand {
    font-size: 1.6rem;
  }

  .container {
    padding: 0 1rem;
  }

  .footer .legal {
    text-align: center;
  }
}

@media (max-width: 480px) {
  .nav-left {
    flex-direction: column;
    padding: 0.5rem 1rem;
  }
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 1.6rem;
  }
  .hero .subtitle {
    font-size: 0.95rem;
  }
  .hero .desc {
    font-size: 0.9rem;
  }
  .gallery-card .slider {
    padding-bottom: 75%;
  }
}