html {
  font-size: 15px;
  position: relative;
  min-height: 100%;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.1rem rgba(31, 53, 87, 0.12), 0 0 0 0.25rem rgba(31, 53, 87, 0.24);
}

body {
  margin: 0;
  margin-bottom: 0;
  background: #fff;
  color: #000;
  font-family: "Helvetica Neue", "Lucida Grande", "Segoe UI", Arial, Helvetica, Verdana, sans-serif;
}

:root {
  --tb-header: #4b6c9e;
  --tb-nav: #3a4f63;
  --tb-nav-item: #465c71;
  --tb-nav-item-border: #4e667d;
  --tb-nav-text: #dde4ec;
  --tb-ink: #000;
  --tb-muted: #666;
  --tb-line: #496077;
  --tb-bg: #fff;
  --tb-radius: 2px;
}

.tb-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 3px 6px 0;
  background: var(--tb-bg);
  border: 1px solid var(--tb-line);
}

.tb-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  color: #fff;
}

.tb-topbar {
  background: var(--tb-header);
}

.tb-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0.25rem 0.45rem;
}

.tb-branding {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.tb-brand {
  color: #fff;
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.1;
  text-decoration: none;
}

.tb-brand:hover {
  color: #fff;
}

.tb-user-panel {
  margin-left: auto;
}

.tb-nav {
  padding: 0;
  background: var(--tb-nav);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(0, 0, 0, 0.18);
}

.tb-menu {
  gap: 0;
}

.tb-nav .nav-link {
  color: var(--tb-nav-text);
  padding: 0.35rem 1.35rem;
  font-weight: 600;
  border: 1px solid var(--tb-nav-item-border);
  background: var(--tb-nav-item);
  margin-right: -1px;
}

.tb-nav .nav-link:hover,
.tb-nav .nav-link:focus {
  color: #fff;
  background: #bfcbd6;
  color: #465c71;
}

.tb-nav .dropdown-menu {
  border: 1px solid #9ca8b5;
  border-radius: var(--tb-radius);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.14);
  padding: 0.25rem;
}

.tb-nav .dropdown-item {
  border-radius: var(--tb-radius);
}

.tb-nav .dropdown-item-text {
  padding: 0.5rem 0.9rem;
}

.tb-user-link {
  color: #fff;
  text-decoration: none;
}

.tb-user-link:hover,
.tb-user-link:focus {
  color: #fff;
  text-decoration: underline;
}

.tb-main {
  flex: 1 1 auto;
  padding: 0.75rem 0 2rem;
}

.tb-content-frame,
.tb-card,
.tb-hero,
.hero-copy,
.hero-card,
.feature-card,
.roadmap {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--tb-line);
  border-radius: var(--tb-radius);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.18);
}

.tb-home-frame {
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0.75rem;
}

.tb-content-frame {
  padding: 0.75rem;
}

.tb-hero,
.tb-card {
  padding: 0.9rem;
}

.tb-hero--compact {
  margin-bottom: 0.75rem;
}

.tb-hero-copy {
  padding: 0;
  border: 0;
  box-shadow: none;
}

.tb-kv {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.5rem 1rem;
  align-items: baseline;
  margin: 1rem 0;
}

.tb-kv dt {
  color: var(--tb-muted);
  font-weight: 600;
}

.tb-kv dd {
  margin: 0;
  text-align: right;
  color: var(--tb-ink);
  font-weight: 700;
}

.hero,
.feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(320px, 0.9fr);
  gap: 1.5rem;
  align-items: stretch;
}

.tb-home-frame .hero {
  margin-bottom: 0.9rem;
}

.hero-copy {
  padding: 1.25rem;
}

.tb-home-frame .hero-copy,
.tb-home-frame .hero-card {
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
}

.tb-home-frame .hero-card {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.tb-home-frame .hero-stat {
  min-width: 0;
}

.hero h1,
.feature-card h2,
.roadmap h2,
.tb-hero h1,
.tb-card h2 {
  margin: 0 0 1rem;
  color: var(--tb-ink);
}

.hero h1,
.tb-hero h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.08;
}

.hero p,
.tb-hero p,
.feature-card p,
.roadmap li,
.tb-card p {
  max-width: 64ch;
  font-size: 1rem;
  line-height: 1.7;
  color: #3c4655;
}

.hero-card {
  display: grid;
  gap: 0.75rem;
  padding: 1.25rem;
}

.hero-stat {
  padding: 1rem 1.1rem;
  border-radius: 1rem;
  background: linear-gradient(180deg, #ffffff, #f6f8fc);
  border: 1px solid rgba(31, 53, 87, 0.08);
}

.hero-stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--tb-navy);
}

.hero-stat-label {
  display: block;
  margin-top: 0.2rem;
  color: #5d6877;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
}

.feature-grid {
  margin-top: 1rem;
}

.tb-home-frame .feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 0;
}

.feature-card {
  padding: 1.25rem;
}

.roadmap {
  margin-top: 1rem;
  padding: 1.5rem 1.5rem 1rem;
}

.tb-home-frame .roadmap {
  margin-top: 1rem;
}

.roadmap ol {
  margin: 0;
  padding-left: 1.2rem;
}

.roadmap li + li {
  margin-top: 0.7rem;
}

.tb-footer {
  border-top: 1px solid var(--tb-line);
  padding: 1rem 0 2rem;
  color: var(--tb-muted);
  font-size: 0.95rem;
}

.tb-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.tb-footer-sep {
  color: #a2acb8;
}

.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
  text-align: start;
}

@media (max-width: 992px) {
  .hero,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .tb-home-frame .hero-card,
  .tb-home-frame .feature-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .tb-topbar-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .tb-brand {
    font-size: 1.8rem;
  }

  .tb-content-frame,
  .tb-hero,
  .tb-card,
  .hero-copy,
  .hero-card,
  .feature-card,
  .roadmap {
    border-radius: var(--tb-radius);
  }

  .tb-main {
    padding-top: 1rem;
  }
}