:root {
  --primary-color: #4f46e5;
}
body {
  scroll-behavior: smooth;
  font-family: "Noto Sans", sans-serif;
}

section {
  /* min-height: 100vh; */
  display: flex;
  /* justify-content: center;
  align-items: center; */
  /* text-align: center; */
  padding: 50px 20px;
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s ease-out;
}

section.show {
  opacity: 1;
  transform: translateY(0);
}

/* Navbar underline effect for desktop */
.navbar-nav .nav-link {
  position: relative;
  padding: 8px 12px;
  overflow: hidden;
  transition: background-color 0.3s;
  margin-left: 14px;
  font-size: 14px;
  font-weight: 600;
}

.navbar-nav .nav-item:first-child {
  margin-left: 0;
  /* biar item pertama tetap menempel ke kiri */
}

@media (min-width: 992px) {
  .navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    background-color: var(--primary-color);
    bottom: 0;
    left: 0;
    border-radius: 2px;
    transition: width 0.4s ease-in-out;
  }

  .navbar-nav .nav-link.active::after {
    width: 100%;
  }

  .navbar-nav .nav-link:hover {
    background-color: transparent;
  }
}

/* Mobile navbar active background */
@media (max-width: 991px) {
  .navbar-nav .nav-link.active {
    background-color: rgba(173, 216, 230, 0.3);
    border-radius: 5px;
  }
}

.navbar-brand {
  font-weight: bold;
}

.logo {
  width: 180px;
}

.left-hero {
  /* margin-top: 14%; */
}

/* Card blur & transparency */
.glass-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-radius: 1rem;
  border: 1px solid rgba(200, 200, 200, 0.5);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  /* padding: 1rem; */
}

.divider-vertical {
  width: 1px;
  height: 2.5rem;
  background-color: #cbd5e1;
  /* slate-200 */
}

.icon-indigo {
  color: var(--primary-color);
  /* indigo-600 */
  width: 1.25rem;
  height: 1.25rem;
}

.text-small {
  font-size: 0.875rem;
  font-weight: 600;
}

.title-hero1 {
  font-size: 46px;
  font-weight: bold;
  color: var(--primary-color);
}

.title-hero2 {
  font-size: 40px;
  color: #374151;
  font-weight: 600;
  /* slate-700 */
}

.wrapper-desc-hero {
  margin-top: 40px;
}

.hero {
  background-image: url("../images/bg-hero.png");
  background-size: cover;
  /* supaya gambar full menutup area */
  background-position: center;
  /* biar posisi gambar di tengah */
  background-repeat: no-repeat;
  /* height: 100vh; */
  /* tinggi full layar */
}

.register-card {
  background-color: #ffffff;
  /* max-width: 500px; */
  width: 100%;
  border-radius: 16px;
  border: none;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  /* margin-top: 100px; */
  font-size: 14px;
}

.register-card .form-control,
.register-card .form-select {
  border-radius: 8px;
  padding: 10px 12px;
}

.register-card .input-group-text {
  background-color: #f8f9fa;
  border-radius: 8px 0 0 8px;
}

.btn-register {
  padding: 12px;
  border-radius: 8px;
  font-weight: 600;
}

.section-title {
  font-weight: 800;
  font-size: 2rem;
  color: #4F46E5;
}

.agenda-card {
  background: #fff;
  border-radius: 1rem;
  border: 1px solid #eee;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: all .3s ease;
}

.agenda-card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.cursor-pointer {
  cursor: pointer;
}

.time-wrapper {
  width: 95px;
  height: 95px;
}

.time-glow {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(99, 102, 241, .3), rgba(168, 85, 247, .3));
  filter: blur(10px);
}

.time-circle {
  position: relative;
  width: 95px;
  height: 95px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1e1b4b, #312e81);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 4px solid #B8B7FF;
}

.time-circle2 {
  position: relative;
  width: 95px;
  height: 95px;
  border-radius: 50%;
  background-color: #ffffff;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 4px solid #B8B7FF;
}

.text-time {
  color: #B8B7FF;
}

.agenda-detail {
  padding: 1.5rem;
  padding-left: 6.5rem;
  border-top: 1px solid #eee;
}

/* Chevron Box */
.chevron-box {
  width: 45px;
  height: 45px;
  border-radius: 12px;
  border: 2px solid #B8B7FF;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s ease;
}

.chevron-box:hover {
  background: #EEF2FF;
}

/* Rotate animation */
.chevron-icon {
  transition: transform .3s ease;
}

[data-bs-toggle="collapse"][aria-expanded="true"] .chevron-icon {
  transform: rotate(180deg);
}

#agenda h5 {
  width: 80%;
}

/* Card */
.speaker-card {
  background: #fff;
  border-radius: 1rem;
  border: 1px solid #eee;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  transition: all .3s ease;
}

.speaker-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

/* Image */
.speaker-image-wrapper {
  background: linear-gradient(to bottom, #f8fafc, #ffffff);
  overflow: hidden;
}

.speaker-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

/* Content */
.speaker-name {
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: .25rem;
}

.speaker-role {
  font-size: .9rem;
  color: #6c757d;
  font-style: italic;
  margin-bottom: .25rem;
}

.speaker-company {
  font-size: .95rem;
  font-weight: 600;
  color: #4F46E5;
  margin-bottom: 1rem;
}

.speaker-bio {
  font-size: .9rem;
  color: #555;
  line-height: 1.7;
}

.footer-section {
  background-color: #0f172a;
  /* slate-900 */
  color: #cbd5e1;
  /* slate-300 */
}

.footer-brand {
  color: #ffffff;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -.3px;
}

.footer-badge {
  display: inline-block;
  background: #4F46E5;
  color: #ffffff;
  font-size: 10px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-description {
  font-size: 0.9rem;
  line-height: 1.7;
  color: #94a3b8;
  /* slate-400 */
  max-width: 480px;
}

.footer-heading {
  color: #ffffff;
  font-weight: 700;
  font-size: 1.1rem;
}

.footer-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  color: #64748b;
  /* slate-500 */
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 6px;
}

.footer-text {
  font-size: 0.9rem;
  color: #94a3b8;
  line-height: 1.6;
  margin-bottom: 0;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  /* slate-800 */
  color: #64748b;
  font-size: 0.75rem;
  font-weight: 500;
}