:root {
  --sbr-navy: #0e2a47;
  --sbr-navy-deep: #091d33;
  --sbr-blue: #1d4e89;
  --sbr-gold: #d9a441;
  --sbr-gold-soft: #e3b45f;
  --sbr-bg: #f5f6f8;
  --sbr-ink: #1c2733;
  --sbr-muted: #5c6b7a;
  --sbr-border: rgba(14, 42, 71, 0.1);
  --sbr-shadow: 0 1px 2px rgba(9, 29, 51, 0.05), 0 8px 24px -12px rgba(9, 29, 51, 0.18);
  --sbr-shadow-lg: 0 2px 4px rgba(9, 29, 51, 0.06), 0 20px 44px -16px rgba(9, 29, 51, 0.28);
}

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

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

body {
  background-color: var(--sbr-bg);
  color: var(--sbr-ink);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1 0 auto;
}

h1, .display-5 {
  font-family: "Playfair Display", Georgia, "Times New Roman", serif;
  font-weight: 700;
  color: var(--sbr-navy);
  letter-spacing: -0.01em;
}

a {
  color: var(--sbr-blue);
}

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

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem #fff, 0 0 0 0.25rem rgba(217, 164, 65, 0.55);
}

/* ---------- Navbar ---------- */

.sbr-navbar {
  background: linear-gradient(180deg, var(--sbr-navy) 0%, var(--sbr-navy-deep) 100%);
  padding-top: 0.65rem;
  padding-bottom: 0.65rem;
  box-shadow: 0 2px 16px rgba(9, 29, 51, 0.35);
}

.sbr-navbar .navbar-brand {
  font-weight: 600;
  letter-spacing: 0.01em;
}

.sbr-brand-logo {
  height: 40px;
  width: auto;
  margin-right: 0.65rem;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.4));
}

@media (max-width: 575.98px) {
  .sbr-navbar .navbar-brand {
    font-size: 0.98rem;
  }

  .sbr-brand-logo {
    height: 32px;
    margin-right: 0.5rem;
  }
}

.sbr-navbar .nav-link {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 500;
  padding-left: 0.9rem;
  padding-right: 0.9rem;
  border-radius: 0.5rem;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.sbr-navbar .nav-link:hover,
.sbr-navbar .nav-link:focus,
.sbr-navbar .nav-link.active {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.08);
}

/* ---------- Hero ---------- */

.sbr-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  border-radius: 1.25rem;
  padding: clamp(2.75rem, 7vw, 5rem) clamp(1.25rem, 5vw, 3.5rem);
  background:
    radial-gradient(900px 340px at 88% -12%, rgba(217, 164, 65, 0.22), transparent 60%),
    radial-gradient(700px 300px at -10% 110%, rgba(29, 78, 137, 0.5), transparent 65%),
    linear-gradient(140deg, #16406b 0%, var(--sbr-navy) 45%, var(--sbr-navy-deep) 100%);
  box-shadow: var(--sbr-shadow-lg);
}

.sbr-hero h1 {
  color: #fff;
  font-size: clamp(2rem, 5.5vw, 3.25rem);
}

.sbr-hero .lead {
  color: rgba(255, 255, 255, 0.85);
  font-size: clamp(1rem, 2.4vw, 1.2rem);
}

.sbr-hero-rule {
  width: 72px;
  height: 3px;
  background: var(--sbr-gold);
  border-radius: 2px;
  margin: 0.75rem auto 1.25rem;
}

/* ---------- Buttons ---------- */

.btn {
  border-radius: 999px;
  font-weight: 600;
  padding: 0.55rem 1.4rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.btn-lg {
  padding: 0.75rem 1.9rem;
}

.btn-primary {
  background-color: var(--sbr-navy);
  border-color: var(--sbr-navy);
}

.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
  background-color: var(--sbr-navy-deep) !important;
  border-color: var(--sbr-navy-deep) !important;
  transform: translateY(-1px);
  box-shadow: 0 10px 22px -10px rgba(9, 29, 51, 0.55);
}

.btn-warning {
  background: linear-gradient(180deg, var(--sbr-gold-soft), var(--sbr-gold));
  border: none;
  color: #22293a;
}

.btn-warning:hover, .btn-warning:focus {
  background: linear-gradient(180deg, #ecc06d, var(--sbr-gold-soft));
  color: #22293a;
  transform: translateY(-1px);
  box-shadow: 0 12px 26px -10px rgba(217, 164, 65, 0.65);
}

.btn-outline-primary {
  color: var(--sbr-navy);
  border-color: rgba(14, 42, 71, 0.35);
}

.btn-outline-primary:hover {
  background-color: var(--sbr-navy);
  border-color: var(--sbr-navy);
}

.btn-outline-secondary {
  border-color: rgba(14, 42, 71, 0.25);
  color: var(--sbr-muted);
}

/* ---------- Cards & panels ---------- */

.card {
  border: 1px solid var(--sbr-border);
  border-radius: 1rem;
  box-shadow: var(--sbr-shadow);
}

.sbr-step-card {
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.sbr-step-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--sbr-shadow-lg);
}

.sbr-step-num {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--sbr-navy);
  background: linear-gradient(180deg, rgba(217, 164, 65, 0.28), rgba(217, 164, 65, 0.16));
  border: 1px solid rgba(217, 164, 65, 0.5);
  margin-bottom: 0.85rem;
}

.sbr-panel {
  background: #fff;
  border: 1px solid var(--sbr-border);
  border-radius: 1rem;
  box-shadow: var(--sbr-shadow);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  margin-bottom: 1.5rem;
}

/* ---------- Section headings ---------- */

.sbr-section-heading {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sbr-blue);
  margin-bottom: 1.25rem;
}

.sbr-section-heading::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--sbr-border);
}

/* ---------- Forms ---------- */

.form-label {
  font-weight: 600;
  font-size: 0.92rem;
}

.form-control, .form-select {
  border-radius: 0.65rem;
  border: 1px solid #d3dae3;
  padding: 0.6rem 0.9rem;
  background-color: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus, .form-select:focus {
  border-color: var(--sbr-gold);
}

.form-text {
  color: var(--sbr-muted);
}

.form-check-input:checked {
  background-color: var(--sbr-navy);
  border-color: var(--sbr-navy);
}

.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;
}

/* ---------- Alerts, lists, misc ---------- */

.alert {
  border: none;
  border-radius: 0.85rem;
  box-shadow: var(--sbr-shadow);
}

.alert-info {
  background-color: #e9f1fb;
  color: #16406b;
}

.alert-warning {
  background-color: #fbf3e2;
  color: #6d5416;
}

.list-group {
  border-radius: 1rem;
  box-shadow: var(--sbr-shadow);
}

.list-group-item {
  border-color: var(--sbr-border);
  padding: 0.9rem 1.1rem;
}

.list-group-item-action:hover {
  background-color: #fbfcfe;
}

.sbr-bike-thumb {
  width: 96px;
  height: 72px;
  object-fit: cover;
  border-radius: 0.6rem;
}

@media (max-width: 575.98px) {
  .sbr-bike-thumb {
    width: 72px;
    height: 56px;
  }
}

.breadcrumb {
  font-size: 0.9rem;
}

.badge.text-bg-danger {
  letter-spacing: 0.06em;
}

code {
  background: #eef1f5;
  padding: 0.1rem 0.4rem;
  border-radius: 0.35rem;
  color: #b0324a;
}

/* ---------- Footer ---------- */

.sbr-footer {
  flex-shrink: 0;
  background: var(--sbr-navy-deep);
  color: rgba(255, 255, 255, 0.7);
  padding: 1.75rem 0;
  margin-top: 3rem;
  font-size: 0.9rem;
  text-align: center;
}

.sbr-footer a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
}

.sbr-footer a:hover {
  color: #fff;
  text-decoration: underline;
}

.sbr-footer-brand {
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.25rem;
}