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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #f5f5f5;
}

/* ===== TOP BAR ===== */
.top-bar {
  background: #1a1a2e;
  color: white;
  padding: 0.7rem 0;
  font-size: 0.85rem;
}

.top-bar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.top-bar-left {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.top-bar-left a,
.top-bar-left span {
  color: white;
  text-decoration: none;
  transition: color 0.3s ease;
}

.top-bar-left a:hover {
  color: #00bcd4;
}

.top-bar-right {
  color: white;
  font-weight: bold;
}

/* ===== HEADER & NAVIGATION ===== */
header {
  background: white;
  color: #333;
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  gap: 1rem;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.logo-img {
  height: 45px;
  width: auto;
  display: block;
}

.logo-text {
  font-size: 1.3rem;
  font-weight: bold;
  color: #0066cc;
  white-space: nowrap;
}

/* ===== HAMBURGER MENU BUTTON ===== */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #0066cc;
  font-size: 1.8rem;
  cursor: pointer;
  padding: 0.3rem 0.5rem;
  z-index: 102;
  flex-shrink: 0;
}

.menu-toggle.active {
  color: #00bcd4;
}

/* ===== NAVIGATION ===== */
.nav-menu {
  display: flex;
  flex-grow: 1;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
  width: 100%;
}

nav li {
  display: flex;
}

nav a {
  color: #333;
  text-decoration: none;
  transition: background 0.3s ease, color 0.3s ease;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 1rem 0.8rem;
  display: block;
  border-bottom: 3px solid transparent;
}

nav a:hover {
  color: #0066cc;
  border-bottom-color: #00bcd4;
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  height: 500px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-carousel {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.carousel-item {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.carousel-item.active {
  opacity: 1;
}

.carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.4);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: white;
  max-width: 600px;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-content h1 .highlight {
  color: #00bcd4;
}

.hero-content p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.carousel-controls {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.carousel-prev,
.carousel-next {
  background: rgba(0,0,0,0.5);
  color: white;
  border: none;
  padding: 0.5rem 0.8rem;
  cursor: pointer;
  font-size: 1.2rem;
  transition: background 0.3s ease;
}

.carousel-prev:hover,
.carousel-next:hover {
  background: rgba(0,0,0,0.8);
}

.carousel-dots {
  display: flex;
  gap: 0.5rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: background 0.3s ease;
}

.dot.active {
  background: #00bcd4;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 0.9rem 2rem;
  background: #0066cc;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-weight: bold;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn:hover {
  background: #0052a3;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,102,204,0.3);
}

.btn-primary {
  background: #0066cc;
}

.btn-primary:hover {
  background: #0052a3;
}

.btn-secondary {
  background: #00bcd4;
  color: white;
  border: 2px solid #0066cc;
}

.btn-secondary:hover {
  background: #0099b3;
}

/* ===== CONTAINER & SECTIONS ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

section {
  padding: 3rem 0;
}

section h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  text-align: center;
  color: #1a1a2e;
  text-transform: uppercase;
  letter-spacing: 1px;
}

section h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: #0066cc;
  text-transform: uppercase;
}

/* ===== WELCOME SECTION ===== */
.welcome-section {
  background: white;
  padding: 4rem 0;
}

.welcome-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.welcome-image img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.welcome-content h2 {
  text-align: left;
  margin-bottom: 1.5rem;
}

.welcome-content p {
  color: #666;
  margin-bottom: 1.5rem;
  line-height: 1.8;
  font-size: 0.95rem;
}

.welcome-list {
  list-style: none;
  margin-bottom: 1.5rem;
}

.welcome-list li {
  padding: 0.5rem 0 0.5rem 2rem;
  position: relative;
  color: #666;
  line-height: 1.8;
}

.welcome-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #00bcd4;
  font-weight: bold;
  font-size: 1.2rem;
}

/* ===== MISSION SECTION ===== */
.mission-section {
  background: #f9f9f9;
  padding: 4rem 0;
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.mission-card {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mission-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.mission-card h3 {
  margin-bottom: 1rem;
  color: #0066cc;
}

.mission-card p {
  color: #666;
  margin-bottom: 1.5rem;
  line-height: 1.8;
  font-size: 0.95rem;
}

.mission-card a {
  color: #0066cc;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.mission-card a:hover {
  color: #00bcd4;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-section {
  background: white;
  padding: 4rem 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-card {
  background: #f9f9f9;
  padding: 2rem;
  border-left: 4px solid #0066cc;
  border-radius: 4px;
}

.testimonial-card p {
  color: #666;
  margin-bottom: 1rem;
  line-height: 1.8;
  font-style: italic;
  font-size: 0.95rem;
}

.testimonial-card .date {
  color: #999;
  font-size: 0.85rem;
}

/* ===== ACTIVITIES SECTION ===== */
.activities-section {
  background: #f9f9f9;
  padding: 4rem 0;
}

.section-intro {
  text-align: center;
  color: #666;
  margin-bottom: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

.activities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.activity-card {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
}

.activity-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.activity-card h3 {
  margin-bottom: 1rem;
  color: #0066cc;
  text-transform: uppercase;
}

.activity-card p {
  color: #666;
  margin-bottom: 1.5rem;
  line-height: 1.8;
  font-size: 0.9rem;
}

.activity-card a {
  color: #0066cc;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.activity-card a:hover {
  color: #00bcd4;
}

/* ===== ABOUT SECTION ===== */
.about-section {
  background: white;
  padding: 4rem 0;
  text-align: center;
}

.about-section p {
  color: #666;
  margin-bottom: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
  font-size: 0.95rem;
}

/* ===== FOOTER ===== */
footer {
  background: #1a1a2e;
  color: white;
  padding: 3rem 0 1rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  margin-bottom: 1rem;
  color: #00bcd4;
  text-transform: uppercase;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: #00bcd4;
}

.footer-section p {
  margin-bottom: 0.8rem;
  color: #ccc;
  font-size: 0.9rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #999;
  font-size: 0.85rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1023px) {
  .hero-content h1 {
    font-size: 2rem;
  }

  .mission-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .activities-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 767px) {
  .top-bar-container {
    flex-direction: column;
    gap: 0.5rem;
  }

  .top-bar-left {
    flex-direction: column;
    gap: 0.5rem;
  }

  .header-container {
    flex-wrap: nowrap;
    padding: 0.8rem 0.5rem;
    gap: 0.5rem;
  }

  .menu-toggle {
    display: block;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    z-index: 99;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  }

  .nav-menu.active {
    max-height: 400px;
  }

  nav ul {
    flex-direction: column;
    gap: 0;
  }

  nav li {
    width: 100%;
  }

  nav a {
    padding: 1rem;
    border-bottom: 1px solid #eee;
    border-radius: 0;
  }

  .logo-img {
    height: 35px;
  }

  .logo-text {
    font-size: 1rem;
  }

  .hero {
    height: 350px;
  }

  .hero-content h1 {
    font-size: 1.5rem;
  }

  .hero-content p {
    font-size: 0.9rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  section h2 {
    font-size: 1.8rem;
  }

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

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

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

  .welcome-content h2 {
    text-align: center;
  }

  .footer-container {
    grid-template-columns: 1fr;
  }
}