/* ROOT WARNA */
:root {
  --primary: #0d6efd;
  --secondary: #4da3ff;
  --dark: #0f172a;
  --bg: #f8fafc;
}

/* GLOBAL */
body {
  font-family: 'Segoe UI', sans-serif;
  background-color: var(--bg);
  margin: 0;
}

/* NAVBAR */
.main-navbar {
  backdrop-filter: blur(10px);
}

.navbar .container-fluid {
  padding-left: 10px;
}

.logo {
  height: 50px;
  transition: 0.3s;
}

.logo:hover {
  transform: scale(1.05);
}

.nav-link {
  font-weight: 500;
  transition: 0.3s;
}

.nav-link:hover {
  color: var(--primary) !important;
}

/* HERO (FIX RESPONSIVE) */
.hero-section {
  width: 100%;
  overflow: hidden;
}

.hero-section img {
  width: 100%;
  height: 60vh;
  object-fit: cover;
}

/* MOBILE FIX */
@media (max-width: 768px) {
  .hero-section img {
    height: 40vh;
  }
}

/* BUTTON DI BAWAH HERO */
.booking-section {
  margin-top: 5px;
  padding-bottom: 40px;
}

.booking-section .btn {
  padding: 15px 40px;
  font-size: 18px;
  border-radius: 50px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  transition: 0.3s;
}

.booking-section .btn:hover {
  transform: translateY(-5px);
}

/* SECTION UMUM */
.section-title {
  color: var(--primary);
  font-weight: bold;
}

.section-text {
  color: #6c757d;
  max-width: 600px;
  margin: 10px auto;
}

/* ABOUT */
.about-section {
  padding: 70px 0;
}

/* FEATURES */
.features-section {
  padding: 70px 0;
  background: #ffffff;
}

.feature-card {
  border-radius: 20px;
  padding: 25px;
  transition: 0.3s;
  margin-bottom: 20px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

/* SERTIFIKASI */
.certification-section {
  padding: 70px 0;
}

.cert-card {
  border-radius: 20px;
  padding: 20px;
  transition: 0.3s;
  margin-bottom: 20px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.cert-card img {
  width: 60px;
  margin-bottom: 10px;
  background: #e7f1ff;
  padding: 12px;
  border-radius: 50%;
  transition: 0.3s;
}

.cert-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.cert-card:hover img {
  transform: scale(1.1);
}

.payment-logo {
  width: 80px;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: 0.3s;
}

.payment-logo:hover {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.1);
}

/* CTA */
.cta-section {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  padding: 70px 0;
}

.cta-section .btn {
  background: white;
  color: var(--primary);
  border: none;
  transition: 0.3s;
}

.cta-section .btn:hover {
  background: #e6e6e6;
}

/* FOOTER */
.footer {
  background: var(--dark);
  color: white;
  padding: 25px;
  font-size: 14px;
  text-align: center;
}

/* RESPONSIVE TAMBAHAN */
@media (max-width: 768px) {
  .hero-section img {
    height: 40vh;
  }

  .booking-section .btn {
    font-size: 16px;
    padding: 12px 25px;
  }
}