:root {
  --bg: #0b1020;
  --surface: #121a33;
  --surface-2: #1a2548;
  --text: #f4f7ff;
  --muted: #b2bedf;
  --green: #2bb673;
  --teal: #2bc5b4;
  --rose: #e9a6af;
  --royal: #0033a0;
  --ring: #7dd8ff;
  --max: 1120px;
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: radial-gradient(1100px 500px at 15% -10%, #1e2f66 0%, var(--bg) 50%),
    radial-gradient(700px 380px at 90% 10%, #103554 0%, transparent 60%), var(--bg);
  color: var(--text);
}

body {
  line-height: 1.5;
  min-height: 100vh;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 1000;
  background: #ffffff;
  color: #000000;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
}

.bg-glow {
  position: fixed;
  width: 22rem;
  height: 22rem;
  border-radius: 999px;
  filter: blur(90px);
  opacity: 0.22;
  z-index: 0;
  pointer-events: none;
}

.bg-glow-a {
  top: -8rem;
  left: -5rem;
  background: var(--teal);
}

.bg-glow-b {
  right: -5rem;
  bottom: 5rem;
  background: var(--rose);
}

.top-badge-wrap,
.container,
.info-section,
.site-footer {
  position: relative;
  z-index: 1;
}

.top-badge-wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1rem 0.25rem;
}

.badge {
  display: inline-block;
  margin: 0;
  padding: 0.4rem 0.7rem;
  border: 1px solid #6ec3ff;
  border-radius: 999px;
  color: #dff2ff;
  background: rgba(0, 51, 160, 0.32);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.25rem 1rem 1rem;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: start;
}

.hero-panel h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.9rem, 5vw, 3.25rem);
  line-height: 1.12;
}

.eyebrow {
  margin: 0;
  color: var(--teal);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.subtitle {
  color: var(--muted);
  max-width: 58ch;
  margin: 0 0 1rem;
}

.feature-list {
  margin: 0;
  padding-left: 1.2rem;
}

.feature-list li {
  margin: 0.35rem 0;
  color: #d7e0f6;
}

.quick-facts {
  margin-top: 1.3rem;
}

.quick-facts h2 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
}

.facts-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.fact-card {
  margin: 0;
  padding: 0.8rem;
  border-radius: 0.8rem;
  background: linear-gradient(140deg, rgba(43, 197, 180, 0.2), rgba(0, 51, 160, 0.15));
  border: 1px solid rgba(194, 213, 255, 0.24);
}

.fact-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.fact-value {
  margin: 0.1rem 0 0;
  font-size: 1rem;
  font-weight: 800;
}

.login-card {
  margin: 0;
  padding: 1.4rem;
  background: linear-gradient(180deg, rgba(18, 26, 51, 0.98), rgba(13, 20, 42, 0.98));
  border: 1px solid rgba(170, 196, 255, 0.24);
  border-radius: 1rem;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
}

.login-card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.4rem;
}

.card-copy {
  margin: 0 0 1rem;
  color: var(--muted);
}

.cta-wrap {
  display: grid;
  gap: 0.65rem;
}

.btn {
  width: 100%;
  border: 1px solid transparent;
  border-radius: 0.7rem;
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  padding: 0.78rem 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.12s ease, filter 0.12s ease;
}

.btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
}

.btn:focus-visible,
.mini-links a:focus-visible,
.demo-note a:focus-visible,
.modal-card input:focus-visible,
.modal-card button:focus-visible,
.modal-card summary:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(125deg, var(--green), #58c58f);
  color: #03120b;
}

.btn-secondary {
  background: transparent;
  border-color: #7ea9f8;
  color: #eef4ff;
}

.demo-note {
  margin: 0.95rem 0 0.7rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.demo-note a {
  color: #b9ceff;
}

.mini-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.mini-links a {
  color: #b9ceff;
  font-size: 0.9rem;
}

.info-section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.6rem 1rem;
}

.content-wrap {
  border: 1px solid rgba(178, 204, 255, 0.2);
  background: rgba(12, 18, 38, 0.6);
  border-radius: 0.95rem;
  padding: 1.15rem;
}

.content-wrap h2 {
  margin: 0 0 0.8rem;
  font-size: 1.25rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.chip {
  margin: 0;
  border: 1px solid rgba(196, 214, 255, 0.25);
  background: rgba(0, 51, 160, 0.24);
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  color: #e7eeff;
  font-size: 0.9rem;
}

.architecture-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
}

.architecture-card {
  border: 1px solid rgba(168, 193, 255, 0.2);
  background: rgba(22, 34, 68, 0.58);
  border-radius: 0.75rem;
  padding: 0.85rem;
}

.architecture-card h3 {
  margin: 0 0 0.5rem;
  font-size: 0.99rem;
}

.architecture-card p {
  margin: 0;
  color: #c3cfec;
  font-size: 0.92rem;
}

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

.roadmap-list li {
  margin: 0.35rem 0;
}

.route-btn {
  max-width: 18rem;
}

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.2rem 1rem 2rem;
}

.site-footer p {
  margin: 0;
  color: #bcc9e5;
  font-size: 0.92rem;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.4rem;
  transform: translateX(-50%) translateY(12px);
  background: #0f1f1b;
  color: #d7f7ea;
  border: 1px solid #3e9f75;
  border-radius: 0.6rem;
  padding: 0.65rem 0.9rem;
  font-size: 0.9rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

body.modal-open {
  overflow: hidden;
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 50;
}

.modal.is-open {
  display: flex;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(5, 9, 20, 0.72);
}

.modal-card {
  position: relative;
  width: min(560px, 100%);
  max-height: 90vh;
  overflow: auto;
  border-radius: 1rem;
  border: 1px solid rgba(168, 193, 255, 0.3);
  background: linear-gradient(180deg, rgba(18, 26, 51, 1), rgba(12, 18, 38, 1));
  padding: 1.15rem;
  box-shadow: 0 28px 54px rgba(0, 0, 0, 0.45);
  animation: modalIn 0.18s ease-out;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-close {
  margin-left: auto;
  margin-bottom: 0.5rem;
  display: inline-block;
  border: 1px solid #7ea9f8;
  border-radius: 0.55rem;
  background: transparent;
  color: #eef4ff;
  padding: 0.35rem 0.55rem;
  cursor: pointer;
}

.modal-card form {
  display: grid;
  gap: 0.5rem;
}

.modal-card label,
.modal-card legend {
  color: #dce7ff;
  font-size: 0.9rem;
}

.modal-card input[type="text"],
.modal-card input[type="email"] {
  width: 100%;
  border-radius: 0.55rem;
  border: 1px solid rgba(168, 193, 255, 0.35);
  background: rgba(12, 18, 38, 0.9);
  color: #f4f7ff;
  padding: 0.58rem 0.65rem;
}

.modal-card fieldset {
  margin: 0.35rem 0 0.15rem;
  border: 1px solid rgba(168, 193, 255, 0.2);
  border-radius: 0.7rem;
  padding: 0.55rem 0.65rem;
  display: grid;
  gap: 0.35rem;
}

.modal-card fieldset label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

@media (max-width: 980px) {
  .container {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

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

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

@media (max-width: 640px) {
  .mini-links {
    grid-template-columns: 1fr;
  }

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

  .modal-card {
    padding: 1rem;
  }
}