* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;

}

body {
  background: #0093ac;
  color: #1f2937;
  line-height: 1.6;
}

a {
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.navbar {
  width: 100%;
  padding: 20px 8%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
}

.page-nav {
  position: sticky;
  background: #0f766e;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.logo {
  color: #ffffff;
  font-size: 28px;
  font-weight: 800;
}

.logo span {
  color: #facc15;
}

.nav-menu {
  list-style: none;
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav-menu a {
  color: #ffffff;
  font-weight: 700;
  transition: 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: #facc15;
}

.cart-count {
  background: #facc15;
  color: #0f172a;
  padding: 2px 7px;
  border-radius: 50%;
  font-size: 13px;
  margin-left: 4px;
}

.header {
  min-height: 100vh;
  background:
    linear-gradient(rgba(15, 23, 42, 0.55), rgba(15, 23, 42, 0.55)),
    url("https://images.unsplash.com/photo-1501785888041-af3ef285b470?auto=format&fit=crop&w=1600&q=80") center/cover no-repeat;
  color: #ffffff;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 8% 60px;
}

.hero-content {
  max-width: 760px;
}

.sub-title {
  color: #facc15;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.05;
  margin-bottom: 20px;

}

.hero p {
  font-size: 19px;
  color: #e5e7eb;
  margin-bottom: 28px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  border: none;
  border-radius: 999px;
  padding: 13px 24px;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  display: inline-block;
  transition: 0.3s;
}

.btn:hover {
  transform: translateY(-2px);
}

.primary {
  background: #0f766e;
  color: #ffffff;
}

.primary:hover {
  background: #115e59;
}

.outline {
  background: transparent;
  color: #ffffff;
  border: 2px solid #ffffff;
}

.danger {
  background: #ef4444;
  color: #ffffff;
  margin-left: 8px;
}

.section {
  width: 84%;
  max-width: 1180px;
  margin: auto;
  padding: 78px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 42px;
}

.section-title h2,
.page-hero h1,
.about-grid h2,
.contact-info h2 {
  color: #0f172a;
}

.section-title h2 {
  font-size: 38px;
}

.section-title p {
  color: #64748b;
  margin-top: 8px;
}

.cards,
.ticket-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.card,
.ticket,
.contact-form,
.contact-info,
.cart-item {
  background: #ffffff;
  border-radius: 22px;
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.08);
}

.card {
  overflow: hidden;
  transition: 0.3s;
}

.card:hover,
.ticket:hover {
  transform: translateY(-8px);
}

.card img {
  height: 230px;
  width: 100%;
  object-fit: cover;
}

.card-body,
.ticket,
.contact-info,
.contact-form,
.cart-item {
  padding: 26px;
}

.card-body h3,
.ticket h3 {
  font-size: 23px;
  margin-bottom: 10px;
  color: #0f172a;
}

.ticket {
  transition: 0.3s;
}

.ticket p {
  color: #64748b;
  min-height: 76px;
}

.ticket strong {
  display: block;
  color: #0f766e;
  font-size: 24px;
  margin: 18px 0;
}

.banner {
  width: 84%;
  max-width: 1180px;
  margin: 10px auto 80px;
  padding: 42px;
  border-radius: 26px;
  background: linear-gradient(135deg, #0f766e, #14b8a6);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.banner h2 {
  font-size: 34px;
}

.page-hero {
  padding: 90px 8%;
  text-align: center;
  background: #ccfbf1;
}

.page-hero h1 {
  font-size: 46px;
  margin-bottom: 10px;
}

.page-hero p {
  color: #475569;
  font-size: 18px;
}

.about-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px;
  align-items: center;
}

.about-grid img {
  border-radius: 26px;
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.12);
}

.about-grid p {
  color: #64748b;
  margin: 14px 0;
}

.check-list {
  margin-top: 18px;
  padding-left: 22px;
}

.check-list li {
  margin-bottom: 8px;
}

.contact-info p {
  margin: 12px 0;
  color: #475569;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid #cbd5e1;
  margin-bottom: 16px;
  font-size: 16px;
  outline: none;
}

.contact-form textarea {
  min-height: 130px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: #0f766e;
}

.cart-section {
  max-width: 900px;
}

.cart-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
}

.qty-box {
  display: flex;
  align-items: center;
  gap: 10px;
}

.qty-box button,
.remove-btn {
  border: none;
  background: #e2e8f0;
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 800;
}

.remove-btn {
  background: #fee2e2;
  color: #b91c1c;
}

.cart-summary {
  margin-top: 28px;
  text-align: right;
}

.cart-summary h2 {
  margin-bottom: 18px;
  color: #0f172a;
}

.empty-cart {
  text-align: center;
  padding: 40px;
  color: #64748b;
  background: #ffffff;
  border-radius: 22px;
}

.footer {
  text-align: center;
  padding: 26px;
  background: #0f172a;
  color: #ffffff;
}

@media (max-width: 900px) {
  .navbar {
    position: static;
    background: #0f766e;
    flex-direction: column;
    gap: 16px;
  }

  .nav-menu {
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
  }

  .cards,
  .ticket-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .banner {
    flex-direction: column;
    text-align: center;
  }

  .cart-item {
    grid-template-columns: 1fr;
  }

  .cart-summary {
    text-align: center;
  }
}
.center-box {
  text-align: center;
  margin-top: 34px;
}
.error-message {
  color: red;
  font-size: 14px;
  margin-top: -10px;
  margin-bottom: 12px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid #cbd5e1;
  margin-bottom: 10px;
  font-size: 16px;
  outline: none;
}

.contact-form textarea {
  min-height: 130px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: #0f766e;
}
.lab-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.lab-card {
  background: #ffffff;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  padding: 26px;
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.06);
  transition: 0.3s;
}

.lab-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 35px rgba(15, 23, 42, 0.12);
}

.lab-card h2 {
  color: #0f172a;
  font-size: 24px;
  margin-bottom: 16px;
}

.lab-card p {
  margin-bottom: 12px;
}

.lab-card p a {
  color: #1f2937;
  font-size: 18px;
}

.lab-card p a:hover {
  color: #0f766e;
}

.lab-btn {
  display: block;
  width: 100%;
  text-align: center;
  background: #22c55e;
  color: white;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 600;
  border: 2px solid #0284c7;
  margin-top: 18px;
  transition: 0.3s;
}

.lab-btn:hover {
  background: #16a34a;
  transform: translateY(-2px);
}

@media (max-width: 1100px) {
  .lab-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 650px) {
  .lab-grid {
    grid-template-columns: 1fr;
  }
}