:root {
  --bg: #060b1f;
  --bg-soft: #111a38;
  --surface: rgba(16, 24, 52, 0.76);
  --surface-strong: rgba(22, 31, 67, 0.92);
  --text: #f4f8ff;
  --muted: #9eb0d8;
  --accent: #45ffd4;
  --accent-2: #49a5ff;
  --line: rgba(255, 255, 255, 0.14);
  --radius: 18px;
  --shadow: 0 24px 40px rgba(0, 0, 0, 0.34);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Segoe UI", "Trebuchet MS", Arial, sans-serif;
  background: radial-gradient(circle at 12% 12%, #16307c, transparent 38%),
    radial-gradient(circle at 86% 20%, #0c4e73, transparent 42%),
    radial-gradient(circle at 50% 120%, #081634, #030612 64%);
  min-height: 100vh;
}

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

.bnx-wrap {
  width: min(1140px, calc(100% - 2.25rem));
  margin: 0 auto;
}

.bnx-main {
  overflow: hidden;
}

.bnx-site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
  background: rgba(4, 8, 22, 0.78);
}

.bnx-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 1rem;
}

.bnx-logo {
  font-weight: 700;
  letter-spacing: 0.03em;
  font-size: 1.05rem;
}

.bnx-menu {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.bnx-menu a {
  display: inline-flex;
  padding: 0.5rem 0.72rem;
  border-radius: 10px;
  color: var(--muted);
  transition: color 180ms ease, background 180ms ease;
}

.bnx-menu a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.bnx-hero {
  position: relative;
  padding: 5.8rem 0 4rem;
}

.bnx-aurora {
  position: absolute;
  inset: auto;
  pointer-events: none;
  filter: blur(34px);
  opacity: 0.55;
}

.bnx-aurora-a {
  width: 360px;
  height: 360px;
  left: -120px;
  top: 90px;
  border-radius: 48% 52% 67% 33% / 47% 42% 58% 53%;
  background: linear-gradient(120deg, rgba(69, 255, 212, 0.65), rgba(73, 165, 255, 0.28));
  animation: bnxFloat 11s ease-in-out infinite;
}

.bnx-aurora-b {
  width: 410px;
  height: 410px;
  right: -140px;
  top: -30px;
  border-radius: 52% 48% 39% 61% / 37% 55% 45% 63%;
  background: linear-gradient(140deg, rgba(73, 165, 255, 0.48), rgba(69, 255, 212, 0.2));
  animation: bnxFloat 14s ease-in-out infinite reverse;
}

.bnx-hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.6rem;
  align-items: center;
}

.bnx-kicker {
  margin: 0 0 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  font-weight: 600;
}

.bnx-hero h1 {
  margin: 0;
  line-height: 1.1;
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.bnx-sub {
  margin-top: 1.1rem;
  color: var(--muted);
  max-width: 62ch;
  line-height: 1.7;
}

.bnx-actions {
  margin-top: 1.7rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.bnx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.78rem 1.32rem;
  background: linear-gradient(130deg, var(--accent), var(--accent-2));
  color: #041022;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

.bnx-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 24px rgba(69, 255, 212, 0.3);
  filter: brightness(1.02);
}

.bnx-btn-ghost {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.bnx-card {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    var(--surface);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.2rem;
  position: relative;
  transform-style: preserve-3d;
}

.bnx-card h2,
.bnx-card h3 {
  margin-top: 0.1rem;
  margin-bottom: 0.55rem;
}

.bnx-card p {
  color: var(--muted);
  line-height: 1.64;
}

.bnx-hero-cards {
  display: grid;
  gap: 1rem;
}

.bnx-chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(69, 255, 212, 0.45);
  border-radius: 999px;
  padding: 0.24rem 0.6rem;
  font-size: 0.72rem;
  color: var(--accent);
  margin-bottom: 0.7rem;
}

.bnx-list {
  margin: 0.65rem 0 0.9rem;
  padding-left: 1rem;
  color: var(--text);
}

.bnx-list li {
  margin: 0.28rem 0;
}

.bnx-mini {
  font-size: 0.92rem;
}

.bnx-link {
  color: var(--accent);
  font-weight: 600;
}

.bnx-section {
  padding: 4.2rem 0;
}

.bnx-section-head {
  margin-bottom: 1.25rem;
}

.bnx-section h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
}

.bnx-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.bnx-section-connect {
  padding-top: 4.8rem;
  padding-bottom: 5.5rem;
}

.bnx-connect-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  align-items: start;
}

.bnx-contact-form {
  display: grid;
  gap: 0.72rem;
}

.bnx-contact-form label {
  display: grid;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.bnx-contact-form input,
.bnx-contact-form textarea {
  width: 100%;
  padding: 0.74rem 0.82rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(6, 11, 31, 0.66);
  color: var(--text);
  font: inherit;
}

.bnx-contact-form input:focus,
.bnx-contact-form textarea:focus {
  outline: 2px solid rgba(69, 255, 212, 0.35);
  outline-offset: 1px;
}

.bnx-contact-form textarea {
  min-height: 126px;
  resize: vertical;
}

.bnx-contact-form .bnx-btn {
  width: fit-content;
  margin-top: 0.3rem;
}

.bnx-form-note {
  margin-top: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.bnx-alert {
  border-radius: 10px;
  padding: 0.6rem 0.75rem;
  font-size: 0.93rem;
}

.bnx-alert-success {
  background: rgba(69, 255, 212, 0.16);
  border: 1px solid rgba(69, 255, 212, 0.45);
}

.bnx-alert-error {
  background: rgba(255, 92, 92, 0.16);
  border: 1px solid rgba(255, 92, 92, 0.46);
}

.bnx-site-footer {
  border-top: 1px solid var(--line);
  padding: 1.1rem 0 2rem;
  color: var(--muted);
  font-size: 0.92rem;
  background: rgba(3, 7, 19, 0.84);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes bnxFloat {
  0% {
    transform: translate(0, 0) rotate(0deg);
  }
  50% {
    transform: translate(12px, -10px) rotate(5deg);
  }
  100% {
    transform: translate(0, 0) rotate(0deg);
  }
}

@media (max-width: 1024px) {
  .bnx-hero-grid,
  .bnx-connect-grid {
    grid-template-columns: 1fr;
  }

  .bnx-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .bnx-header-inner {
    min-height: 66px;
  }

  .bnx-menu {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.45rem;
  }

  .bnx-hero {
    padding-top: 4.4rem;
  }

  .bnx-grid {
    grid-template-columns: 1fr;
  }
}