body {
  font-family: "Rubik", sans-serif;
}
.login-button {
  display: inline-block;
  background: linear-gradient(90deg, #1a48de, #02ccff);
  color: #fff;
  font-size: 1.3rem;
  font-weight: 600;
  padding: 14px 70px !important;
  border-radius: 70px;
  text-decoration: none;
  transition: all 0.3s ease;
  margin-top: 20px;
  margin-left: -120px;
}

.login-button:hover {
  background: linear-gradient(90deg, #02ccff, #1a48de);
  transform: translateY(-3px);
  color: #fff;
}
.navbar {
  padding: 15px 0;
  background-color: #d5ebff !important;
  margin: 20px;
  height: 80px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border-radius: 15px;
}

.navbar-brand img {
  height: 55px;
  width: 160px;
  object-fit: contain;
  margin-left: 50px;
}

.custom-nav {
  background: linear-gradient(90deg, #1a48de, #02ccff);
  border-radius: 90px;
  padding: 8px 10px;
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
  display: flex;
  gap: 60px;
  margin-right: 150px;
  margin-left: -20px;
}

.custom-nav .nav-link {
  color: #fff;
  font-weight: 600;
  font-size: 1.1rem;
  padding: 10px 35px;
  border-radius: 90px;
  transition: all 0.3s ease;
  position: relative;
}

/* Hover effect */
.custom-nav .nav-link:hover {
  background-color: #fff;
  color: #1a48de;
  transform: translateY(-2px);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

/* Active tab */
.custom-nav .nav-link.active {
  background-color: #fff !important;
  color: #1a48de !important;
  box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.2);
  transform: scale(0.98);
}

/* Underline effect */
.custom-nav .nav-link::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: #fff;
  visibility: hidden;
  transition: 0.3s ease-in-out;
}

.custom-nav .nav-link:hover::before {
  width: 80%;
  visibility: visible;
}
.hero-section {
  padding-top: 50px;
  padding-bottom: 80px;
  overflow: visible !important;
}

.hero-title {
  font-size: 6rem;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -2px;
  margin-left: -125px;
  margin-top: 50px;
  padding-bottom: 10px;
  background: linear-gradient(90deg, #02ccff, #1a48de);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: "Montserrat Bold", sans-serif;
}

.hero-text {
  margin-top: 2px;
  font-size: 1.6rem;
  color: #333;
  line-height: 1.5;
  margin-left: -120px;
}

/* ====== GAMBAR LINGKARAN ====== */
.hero-section .col-md-6.position-relative {
  min-height: 500px;
  position: relative;
  margin-top: 80px;
}

.circle {
  position: absolute;
  overflow: hidden;
  border-radius: 50%;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.circle:hover img {
  transform: scale(1.05);
}

/* Lingkaran utama (depan) */
.circle1 {
  width: 470px;
  height: 470px;
  bottom: 30px;
  right: 190px;
  z-index: 2;
}

/* Lingkaran belakang */
.circle2 {
  width: 340px;
  height: 340px;
  top: -100px;
  right: -65px;
  z-index: 1;
  opacity: 0.95;
}
.circle3 {
  width: 340px;
  height: 340px;
  top: 220px;
  right: -70px;
  z-index: 1;
  opacity: 0.95;
}
@media (max-width: 991px) {
  .custom-nav {
    display: none;
  }
  /* Menu offcanvas standard untuk mobile */
  .offcanvas-body .nav-link {
    color: #333;
    padding: 15px 20px;
    border-bottom: 1px solid #eee;
    transition: color 0.3s ease;
    font-size: 1.4rem;
    padding: 18px 25px;
  }

  .offcanvas-body .nav-link:hover {
    color: #1a48de;
    text-decoration: none;
  }

  .offcanvas-body .nav-link.active {
    color: #1a48de;
    font-weight: 900;
  }

  .login-button {
    display: block !important;
    font-size: 1.1rem;
    padding: 12px 50px !important;
    margin: 20px 0 !important;
    margin-left: auto !important;
    margin-right: auto !important;
    text-align: center;
    width: fit-content;
  }

  .hero-title {
    font-size: 3.7rem;
    margin-left: 0;
    text-align: center;
  }

  .hero-text {
    font-size: 1.3rem;
    margin-left: 0;
    text-align: center;
  }

  .navbar {
    margin: 10px;
    height: auto;
  }

  .navbar-brand img {
    margin-left: 10px;
    height: 45px;
  }

  .hero-section .col-md-6.position-relative {
    min-height: auto;
    margin-top: 30px;
  }

  .circle {
    position: relative !important;
    margin: 15px auto;
    width: 250px !important;
    height: 250px !important;
    top: auto !important;
    right: auto !important;
    bottom: auto !important;
  }
}

/* Tampilkan custom-nav hanya di desktop */
@media (min-width: 992px) {
  /* Sembunyikan header offcanvas di desktop karena tidak digunakan */
  .offcanvas-header {
    display: none;
  }
}