:root {
  --bb-bg: #132B45;
  --bb-bg-soft: #173552;
  --bb-accent: #1E88E5;
  --bb-accent-deep: #1565C0;
  --bb-success: #80B839;
  --bb-text: #FFFFFF;
  --bb-muted: rgba(255, 255, 255, 0.78);
  --bb-line: rgba(255, 255, 255, 0.12);
  --bb-card: rgba(255, 255, 255, 0.06);
  --bb-radius: 18px;
  --bb-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  --bb-font-display: "Sora", sans-serif;
  --bb-font-body: "Source Sans 3", sans-serif;
  --bb-max: 1120px;
  --bb-header-h: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--bb-font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--bb-text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(30, 136, 229, 0.22), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(128, 184, 57, 0.12), transparent 50%),
    var(--bb-bg);
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
.bb-eyebrow {
  font-family: var(--bb-font-display);
  line-height: 1.2;
  font-weight: 700;
}

h1 {
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  margin: 0 0 1rem;
}

p {
  margin: 0 0 1rem;
  color: var(--bb-muted);
}

.bb-container {
  width: min(100% - 2rem, var(--bb-max));
  margin-inline: auto;
}

/* Header */
.bb-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(19, 43, 69, 0.82);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.bb-header.is-scrolled {
  border-bottom-color: var(--bb-line);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
  background: rgba(19, 43, 69, 0.94);
}

.bb-header__inner {
  min-height: var(--bb-header-h);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.bb-logo img {
  width: 150px;
  height: auto;
}

.bb-nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-left: auto;
}

.bb-nav a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--bb-muted);
  transition: color 0.2s ease;
}

.bb-nav a:hover,
.bb-nav a:focus-visible {
  color: var(--bb-text);
}

.bb-header__cta {
  margin-left: 0.5rem;
}

.bb-burger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--bb-line);
  border-radius: 12px;
  background: transparent;
  padding: 10px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

.bb-burger span {
  display: block;
  height: 2px;
  background: var(--bb-text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.bb-burger.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.bb-burger.is-open span:nth-child(2) {
  opacity: 0;
}

.bb-burger.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Buttons */
.bb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--bb-accent), var(--bb-accent-deep));
  color: var(--bb-text);
  font-family: var(--bb-font-display);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  box-shadow: 0 10px 28px rgba(30, 136, 229, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.bb-btn:hover,
.bb-btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(30, 136, 229, 0.45);
}

.bb-btn--sm {
  padding: 0.65rem 1.1rem;
  font-size: 0.88rem;
}

.bb-btn--ghost {
  background: transparent;
  border-color: rgba(30, 136, 229, 0.55);
  box-shadow: none;
}

.bb-btn--ghost:hover,
.bb-btn--ghost:focus-visible {
  background: rgba(30, 136, 229, 0.12);
  box-shadow: none;
}

/* Hero */
.bb-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(3.5rem, 8vw, 6.5rem) 0 clamp(3rem, 6vw, 5rem);
  overflow: hidden;
}

.bb-hero__mesh {
  position: absolute;
  inset: -20% -10% auto;
  height: 120%;
  z-index: -1;
  background:
    radial-gradient(closest-side at 20% 30%, rgba(30, 136, 229, 0.45), transparent 70%),
    radial-gradient(closest-side at 70% 20%, rgba(128, 184, 57, 0.28), transparent 68%),
    radial-gradient(closest-side at 55% 75%, rgba(30, 136, 229, 0.22), transparent 70%),
    radial-gradient(closest-side at 85% 60%, rgba(255, 255, 255, 0.08), transparent 65%);
  filter: blur(8px);
  animation: bb-mesh 14s ease-in-out infinite alternate;
}

@keyframes bb-mesh {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-2%, 3%, 0) scale(1.05);
  }
}

.bb-hero__content {
  max-width: 760px;
}

.bb-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--bb-text);
}

.bb-live {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bb-success);
  box-shadow: 0 0 0 0 rgba(128, 184, 57, 0.55);
  animation: bb-pulse 1.8s infinite;
}

@keyframes bb-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(128, 184, 57, 0.55);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(128, 184, 57, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(128, 184, 57, 0);
  }
}

.bb-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Sections */
.bb-section {
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.bb-section--soft {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 40%),
    rgba(23, 53, 82, 0.45);
}

.bb-card {
  background: var(--bb-card);
  border: 1px solid var(--bb-line);
  border-radius: var(--bb-radius);
  padding: clamp(1.4rem, 3vw, 2.2rem);
  box-shadow: var(--bb-shadow);
  backdrop-filter: blur(8px);
}

.bb-card--accent {
  border-color: rgba(30, 136, 229, 0.35);
  background:
    linear-gradient(145deg, rgba(30, 136, 229, 0.16), rgba(255, 255, 255, 0.04)),
    var(--bb-card);
}

.bb-stack p:last-child {
  margin-bottom: 0;
}

.bb-split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: center;
}

.bb-split--reverse {
  grid-template-columns: 1fr;
}

.bb-figure {
  margin: 0;
  border-radius: calc(var(--bb-radius) - 4px);
  overflow: hidden;
  border: 1px solid var(--bb-line);
  background: rgba(0, 0, 0, 0.15);
}

.bb-figure img {
  width: 100%;
  object-fit: cover;
}

.bb-figure figcaption {
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  color: var(--bb-muted);
  border-top: 1px solid var(--bb-line);
  background: rgba(19, 43, 69, 0.55);
}

.bb-figure--wide {
  margin-top: 1.5rem;
}

.bb-figure--wide img {
  max-height: 420px;
  object-fit: cover;
}

/* Chips + table */
.bb-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.25rem 0 1rem;
}

.bb-chip {
  appearance: none;
  border: 1px solid rgba(30, 136, 229, 0.35);
  background: rgba(30, 136, 229, 0.08);
  color: var(--bb-text);
  font-family: var(--bb-font-body);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.bb-chip:hover,
.bb-chip:focus-visible {
  border-color: var(--bb-accent);
  background: rgba(30, 136, 229, 0.18);
}

.bb-chip.is-active {
  background: var(--bb-accent);
  border-color: var(--bb-accent);
  box-shadow: 0 8px 20px rgba(30, 136, 229, 0.3);
}

.bb-table-wrap {
  overflow-x: auto;
  border-radius: var(--bb-radius);
  border: 1px solid var(--bb-line);
  background: rgba(255, 255, 255, 0.04);
  margin-bottom: 1.25rem;
}

.bb-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

.bb-table th,
.bb-table td {
  padding: 0.95rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid var(--bb-line);
  vertical-align: top;
}

.bb-table th {
  font-family: var(--bb-font-display);
  font-size: 0.9rem;
  background: rgba(30, 136, 229, 0.14);
  color: var(--bb-text);
}

.bb-table td {
  color: var(--bb-muted);
}

.bb-table td:first-child {
  color: var(--bb-text);
  font-weight: 600;
  width: 32%;
}

.bb-table tbody tr {
  transition: background 0.2s ease, opacity 0.2s ease;
}

.bb-table tbody tr.is-dimmed {
  opacity: 0.28;
}

.bb-table tbody tr.is-highlighted {
  background: rgba(128, 184, 57, 0.12);
}

.bb-table tbody tr.is-highlighted td:first-child {
  color: var(--bb-success);
}

.bb-table tbody tr:last-child th,
.bb-table tbody tr:last-child td {
  border-bottom: none;
}

/* CTA panel */
.bb-cta-panel {
  text-align: center;
  padding: clamp(2rem, 4vw, 3rem);
  border-radius: calc(var(--bb-radius) + 4px);
  border: 1px solid rgba(30, 136, 229, 0.35);
  background:
    radial-gradient(700px 240px at 50% 0%, rgba(30, 136, 229, 0.28), transparent 70%),
    rgba(255, 255, 255, 0.05);
  box-shadow: var(--bb-shadow);
}

.bb-cta-panel p {
  max-width: 760px;
  margin-inline: auto;
}

.bb-cta-panel .bb-btn {
  margin-top: 0.5rem;
}

/* FAQ */
.bb-faq {
  display: grid;
  gap: 0.75rem;
}

.bb-faq__item {
  border: 1px solid var(--bb-line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  overflow: hidden;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.bb-faq__item[open] {
  border-color: rgba(30, 136, 229, 0.45);
  background: rgba(30, 136, 229, 0.08);
}

.bb-faq__item summary {
  cursor: pointer;
  list-style: none;
  padding: 1rem 1.2rem;
  font-family: var(--bb-font-display);
  font-weight: 600;
  position: relative;
  padding-right: 2.5rem;
}

.bb-faq__item summary::-webkit-details-marker {
  display: none;
}

.bb-faq__item summary::after {
  content: "+";
  position: absolute;
  right: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--bb-accent);
  font-size: 1.25rem;
  font-weight: 700;
}

.bb-faq__item[open] summary::after {
  content: "–";
}

.bb-faq__item p {
  margin: 0;
  padding: 0 1.2rem 1.1rem;
}

/* Footer */
.bb-footer {
  margin-top: 1rem;
  padding: 2.5rem 0 5.5rem;
  border-top: 1px solid var(--bb-line);
  background: rgba(10, 24, 40, 0.55);
}

.bb-footer__inner {
  display: grid;
  gap: 1rem;
  justify-items: start;
}

.bb-footer__note,
.bb-footer__copy {
  margin: 0;
  font-size: 0.92rem;
}

.bb-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.25rem;
}

.bb-footer__nav a {
  color: var(--bb-muted);
  font-weight: 600;
}

.bb-footer__nav a:hover {
  color: var(--bb-accent);
}

/* Floating CTA */
.bb-float-cta {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 90;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--bb-success), #6aa02e);
  color: var(--bb-text);
  font-family: var(--bb-font-display);
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 12px 30px rgba(128, 184, 57, 0.4);
  transform: translateY(120%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.bb-float-cta.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.bb-float-cta:hover {
  transform: translateY(-2px);
}

/* Reveal */
.bb-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.bb-reveal.is-inview {
  opacity: 1;
  transform: none;
}

/* Responsive */
@media (max-width: 960px) {
  .bb-split {
    grid-template-columns: 1fr;
  }

  .bb-header__cta {
    display: none;
  }

  .bb-burger {
    display: flex;
    margin-left: auto;
  }

  .bb-nav {
    position: fixed;
    inset: var(--bb-header-h) 0 auto;
    display: grid;
    gap: 0;
    margin: 0;
    padding: 0.5rem 1rem 1rem;
    background: rgba(19, 43, 69, 0.97);
    border-bottom: 1px solid var(--bb-line);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.28s ease, opacity 0.28s ease;
  }

  .bb-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .bb-nav a {
    padding: 0.85rem 0.25rem;
    border-bottom: 1px solid var(--bb-line);
  }

  .bb-nav a:last-child {
    border-bottom: none;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 1rem;
  }

  .bb-hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .bb-btn {
    width: 100%;
  }

  .bb-float-cta {
    left: 1rem;
    right: 1rem;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .bb-hero__mesh,
  .bb-live,
  .bb-reveal,
  .bb-btn,
  .bb-float-cta {
    animation: none !important;
    transition: none !important;
  }

  .bb-reveal {
    opacity: 1;
    transform: none;
  }
}