body {
  font-family: 'Mitr', sans-serif;
  color: #3C3C3C;
  margin: 0;
  padding: 0;
}

/* ✅ Navbar */
.nav-color {
  background: linear-gradient(to right, #4169e1, #9400d3);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(6px);
}

.navbar-brand {
  color: #fff !important;
  font-size: 18px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.navbar-logo {
  width: 32px;
  height: auto;
}

.navbar-logo:hover {
  transform: scale(1.3);
  transition: scale 0.3s ease, transform 0.3s ease;
  filter: drop-shadow(0 8px 20px rgba(255, 255, 255, 0.5));
}

.navbar-nav .nav-link {
  color: #fff !important;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 6px;
  position: relative;
  transition: all 0.3s ease;
}

/* ✅ เส้นโผล่จากตรงกลาง + เรืองแสง */
.navbar-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 6px;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  width: 64%;
  height: 3px;
  border-radius: 2px;
  background: #fff;
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
  opacity: 0;
  transition: transform 0.28s cubic-bezier(.2, .9, .2, 1), opacity 0.18s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus,
.navbar-nav .nav-link.active {
  color: #fff !important;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 255, 255, 0.2);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link:focus::after,
.navbar-nav .nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
  opacity: 1;
}

/* Responsive: เส้นใต้อยู่ด้านซ้ายเมื่อเป็นแนวตั้ง */
@media (max-width: 991.98px) {
  .navbar-nav .nav-link::after {
    left: 18px;
    transform: translateX(0) scaleX(0);
    transform-origin: left;
    width: calc(100% - 36px);
  }

  .navbar-nav .nav-link:hover::after,
  .navbar-nav .nav-link.active::after {
    transform: translateX(0) scaleX(1);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease-out;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.hero-section {
  background: linear-gradient(135deg, #8B5CF6, #3B82F6);
  color: #fff;
  padding: 60px 20px;
  margin-bottom: 40px;
}

/* ✅ Security Section */
.security-section {
  padding: 3.5rem 0;
  border-radius: 12px;
  margin-bottom: 2rem;
}

.security-section .security-icon1,
.security-section .security-icon2,
.security-section .security-icon3,
.security-section .security-icon4 {
  width: 72px;
  height: 72px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #fff;
  font-size: 1.25rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.security-section .security-icon1 {
  background: linear-gradient(180deg, #a60808, #900101);
}

.security-section .security-icon2 {
  background: linear-gradient(180deg, #08a66f, #01906a);
}

.security-section .security-icon3 {
  background: linear-gradient(180deg, #083da6, #014190);
}

.security-section .security-icon4 {
  background: linear-gradient(180deg, #a68e08, #908401);
}

.security-section h4 {
  margin-top: 0.6rem;
  color: #0f1724;
}

.security-section p {
  color: #334155;
}

/* ✅ Privacy Policy Section */
.privacy-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #F3E5F5, #E1BEE7);
}

.privacy-section .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.privacy-section .section-header {
  text-align: center;
  margin-bottom: 64px;
}

.privacy-section .grid-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 768px) {
  .privacy-section .grid-wrapper {
    grid-template-columns: 1fr 1fr;
  }
}

.privacy-section .card {
  padding: 32px;
  border-radius: 16px;
  background: linear-gradient(to bottom right, #f0f9ff, #dbeafe);
}

.privacy-section .card-green {
  background: linear-gradient(to bottom right, #f0fff4, #d1fae5);
}

.privacy-section .card-red {
  background: linear-gradient(to bottom right, #fff5f5, #fed7d7);
}

.privacy-section .icon {
  font-size: 40px;
  margin-bottom: 24px;
  color: #3182ce;
}

.privacy-section .card-green .icon {
  color: #38a169;
}

.privacy-section .card-list {
  list-style: none;
  padding: 0;
  margin: 0;
  color: #2d3748;
}

.privacy-section .card-list li {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}

.privacy-section .card-list i {
  margin-right: 8px;
  font-size: 18px;
}

.privacy-section .card-green i {
  color: #38a169;
}

.privacy-section .card-red i {
  color: #e53e3e;
}

/* ✅ Safety Section */
.safety-section {
  padding: 80px 0;
}

.safety-section .safety-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.safety-section .safety-header {
  text-align: center;
  margin-bottom: 64px;
}

.safety-section .safety-header h2 {
  font-size: 32px;
  margin-bottom: 12px;
}

.safety-section .safety-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 768px) {
  .safety-section .safety-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.safety-section .safety-card {
  padding: 32px;
  border-radius: 16px;
  background-color: #f9fafb;
}

.safety-section .card-green {
  background: linear-gradient(to bottom right, #f0fff4, #d1fae5);
}

.safety-section .card-red {
  background: linear-gradient(to bottom right, #fff5f5, #fed7d7);
}

.safety-section .safety-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: #1a202c;
  margin-bottom: 16px;
}

.safety-section .safety-list {
  list-style: none;
  padding: 0;
  margin: 0;
  color: #2d3748;
}

.safety-section .safety-list li {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}

.safety-section .safety-list i {
  margin-right: 8px;
  font-size: 18px;
}

.safety-section .safety-card-green i {
  color: #38a169;
  /* เขียว */
}

.safety-section .safety-card-red i {
  color: #e53e3e;
  /* แดง */
}