:root {
  --bg: #0b1021;
  --card: #121832;
  --text: #e8ebf7;
  --muted: #98a2c3;
  --accent: #7bd1ff;
  --accent-strong: #6adba4;
  --border: #1f2744;
  --danger: #ff7b7b;
}

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

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 20%, #162246, #0b1021 40%),
    radial-gradient(circle at 80% 0%, #13203f, #0b1021 35%),
    #0b1021;
  min-height: 100vh;
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(11, 16, 33, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.brand__dot {
  width: 12px;
  height: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  border-radius: 50%;
  box-shadow: 0 0 16px rgba(123, 209, 255, 0.6);
}

.nav {
  display: flex;
  gap: 14px;
  font-size: 14px;
}

.nav a {
  padding: 6px 10px;
  border-radius: 8px;
  color: var(--muted);
}

.nav a:hover {
  background: var(--card);
  color: var(--text);
}

.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.hero {
  display: grid;
  gap: 20px;
  grid-template-columns: 2fr 1fr;
  align-items: center;
  margin: 24px 0 12px;
}

.eyebrow {
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 1.4px;
  color: var(--accent);
  margin: 0 0 10px;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 36px);
}

.lede {
  color: var(--muted);
  max-width: 64ch;
}

.pill-row,
.pill-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.pill {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.02);
}

.pill--solid {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #0b1021;
  border: none;
  font-weight: 600;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
}

.card__title {
  margin: 0 0 8px;
  font-weight: 700;
}

.card__subtitle {
  margin: 0 0 10px;
  color: var(--muted);
}

.card__list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 6px;
}

.card__foot {
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
}

.section {
  margin: 36px 0;
}

.section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.section__head h2 {
  margin: 0;
}

.section__head p {
  margin: 0;
  color: var(--muted);
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline__item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}

.timeline__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.timeline__role {
  margin: 0;
  font-weight: 700;
}

.timeline__time {
  margin: 0;
  color: var(--muted);
}

.timeline__place {
  margin: 4px 0 10px;
  color: var(--muted);
}

.timeline__item ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 6px;
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.contact {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 18px;
  align-items: start;
}

.contact__list {
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 6px;
}

.chat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  display: grid;
  gap: 10px;
}

.chat__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat__eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.chat h3 {
  margin: 4px 0 0;
}

.status {
  background: rgba(106, 219, 164, 0.15);
  color: var(--accent-strong);
  border: 1px solid rgba(106, 219, 164, 0.5);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
}

.chat__log {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 12px;
  min-height: 220px;
  max-height: 320px;
  overflow-y: auto;
  padding: 12px;
  display: grid;
  gap: 10px;
}

.bubble {
  padding: 10px 12px;
  border-radius: 12px;
  width: fit-content;
  max-width: 92%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text);
}

.bubble--user {
  justify-self: end;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #0b1021;
  border: none;
}

.bubble--assistant {
  justify-self: start;
}

.bubble--error {
  background: rgba(255, 123, 123, 0.12);
  border-color: rgba(255, 123, 123, 0.5);
  color: #ffd3d3;
}

.chat__form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.chat__form input {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.chat__form input:focus {
  outline: 1px solid var(--accent);
}

.chat__form button {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #0b1021;
  border: none;
  border-radius: 10px;
  padding: 0 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease;
}

.chat__form button:active {
  transform: translateY(1px);
}

.chat__hint {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.footer {
  text-align: center;
  color: var(--muted);
  padding: 28px 12px 40px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .nav {
    display: none;
  }

  .page {
    padding: 24px 16px 52px;
  }

  .chat__log {
    max-height: 260px;
  }
}