:root {
  --glass-bg: rgba(16, 24, 42, 0.58);
  --glass-border: rgba(255, 255, 255, 0.14);
  --accent: #5ad7ff;
  --accent-strong: #7b5dff;
  --text-light: #eef2ff;
  --text-muted: rgba(238, 242, 255, 0.65);
  --shadow: 0 20px 60px rgba(10, 15, 30, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  font-family: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(90, 215, 255, 0.12), transparent 45%),
    radial-gradient(circle at 80% 10%, rgba(123, 93, 255, 0.18), transparent 50%),
    linear-gradient(130deg, #0b1022, #111d3a 50%, #0a0f1f 100%);
  color: var(--text-light);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.bg-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.orb {
  position: absolute;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  filter: blur(0px);
  opacity: 0.8;
  background: radial-gradient(circle, rgba(90, 215, 255, 0.3), rgba(90, 215, 255, 0));
  mix-blend-mode: screen;
}

.orb-1 {
  top: -120px;
  left: -80px;
}

.orb-2 {
  bottom: -140px;
  right: -80px;
  background: radial-gradient(circle, rgba(123, 93, 255, 0.35), rgba(123, 93, 255, 0));
}

.orb-3 {
  top: 35%;
  right: 15%;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(89, 255, 198, 0.28), rgba(89, 255, 198, 0));
}

.site-header,
.content-shell,
.site-footer {
  position: relative;
  z-index: 1;
}

.glass-nav {
  backdrop-filter: blur(16px);
  background: rgba(10, 15, 30, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-mark {
  font-size: 1.1rem;
  color: var(--accent);
}

.brand-text {
  font-weight: 600;
  letter-spacing: 0.08em;
}

.navbar .nav-link {
  color: var(--text-light);
  opacity: 0.85;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus {
  opacity: 1;
  color: #ffffff;
}

.navbar .nav-link.active {
  opacity: 1;
  color: #ffffff;
  text-shadow: 0 0 12px rgba(90, 215, 255, 0.45);
}

.loading-shell {
  padding: 1.75rem 0 0.75rem;
  display: none;
}

.loading-shell.active {
  display: block;
}

.loading-glass {
  backdrop-filter: blur(18px);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow);
}

.tracking {
  letter-spacing: 0.18em;
}

.progress {
  height: 10px;
  background: rgba(255, 255, 255, 0.12);
}

.progress-bar {
  background: linear-gradient(120deg, var(--accent), var(--accent-strong));
  transition: width 0.2s ease;
}

.content-shell {
  padding: 3.5rem 0 2rem;
}

.content-panel {
  backdrop-filter: blur(20px);
  background: var(--glass-bg);
  border-radius: 26px;
  border: 1px solid var(--glass-border);
  padding: 3rem;
  box-shadow: var(--shadow);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.content-panel.loading {
  opacity: 0.35;
  transform: translateY(6px);
}

.hero-title {
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
}

.glass-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 1.75rem;
  height: 100%;
  box-shadow: 0 16px 40px rgba(3, 8, 20, 0.4);
}

.glass-card i {
  font-size: 1.6rem;
  color: var(--accent);
}

.section-title {
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.75);
  text-transform: uppercase;
  font-size: 0.85rem;
}

.section-heading {
  font-size: 2rem;
  font-weight: 600;
}

.badge-soft {
  background: rgba(90, 215, 255, 0.16);
  color: #c9f2ff;
  border: 1px solid rgba(90, 215, 255, 0.4);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.list-ic {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.list-ic i {
  color: var(--accent);
}

.tooltip-ic {
  border-bottom: 1px dotted rgba(255, 255, 255, 0.4);
  cursor: help;
}

.site-footer {
  padding-bottom: 2.5rem;
}

.glass-footer {
  backdrop-filter: blur(18px);
  background: rgba(9, 14, 30, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 1.5rem;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-link:hover {
  color: #ffffff;
}

.btn-primary {
  border: none;
  background: linear-gradient(120deg, var(--accent), var(--accent-strong));
  box-shadow: 0 12px 30px rgba(90, 215, 255, 0.25);
}

.btn-primary:hover,
.btn-primary:focus {
  filter: brightness(1.1);
}

.form-control,
.form-control:focus {
  background: rgba(8, 12, 24, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-light);
  box-shadow: none;
}

.form-control::placeholder {
  color: rgba(238, 242, 255, 0.45);
}

.form-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.text-light-50 {
  color: var(--text-muted) !important;
}

@media (max-width: 991px) {
  .content-panel {
    padding: 2rem;
  }

  .loading-shell {
    padding: 1.25rem 0 0.5rem;
  }
}

@media (max-width: 575px) {
  .content-panel {
    padding: 1.5rem;
  }
}