*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0F1117;
  --surface: #181C27;
  --ember: #F25C1E;
  --flame: #F5A623;
  --glow: #FF7A3C;
  --text: #E8E8E4;
  --muted: #6E7484;
  --border: #252A38;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ─── NAV ─────────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  height: 64px;
  transition: background 0.3s ease, backdrop-filter 0.3s ease;
}

nav.scrolled {
  background: rgba(15, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 24px;
  color: var(--ember);
  letter-spacing: -0.5px;
  text-decoration: none;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-cta {
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  font-size: 16px;
  color: var(--ember);
  background: transparent;
  border: 1.5px solid var(--ember);
  border-radius: 8px;
  padding: 8px 20px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
  text-decoration: none;
}

.nav-cta:hover {
  background: var(--ember);
  color: #0F1117;
  transform: scale(1.02);
}

.nav-cta--primary {
  background: var(--ember);
  color: #0F1117;
}

.nav-cta--primary:hover {
  background: var(--glow);
  border-color: var(--glow);
  color: #0F1117;
}

.nav-cta--lg {
  font-size: 16px;
  padding: 12px 32px;
}

/* ─── HERO ────────────────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 100px 24px 80px;
  overflow: hidden;
}

/* Radial glow behind headline */
#hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -55%);
  width: 700px;
  height: 500px;
  background: radial-gradient(ellipse at center, rgba(242, 92, 30, 0.13) 0%, rgba(242, 92, 30, 0.04) 45%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Dot-matrix texture */
#hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(110, 116, 132, 0.18) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.08;
  letter-spacing: -2px;
  color: var(--text);
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(22px);
  animation: fadeUp 0.5s ease 0.1s forwards;
}

.hero-headline .accent {
  color: var(--ember);
}

.hero-sub {
  font-size: 20px;
  color: var(--muted);
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.7;
  opacity: 0;
  transform: translateY(18px);
  animation: fadeUp 0.5s ease 0.28s forwards;
}

.hero-form-wrap {
  opacity: 0;
  transform: translateY(14px);
  animation: fadeUp 0.5s ease 0.42s forwards;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── BUTTONS ─────────────────────────────────────────────────── */
.submit-btn {
  display: inline-block;
  text-decoration: none;
  text-align: center;
  flex-shrink: 0;
  background: var(--ember);
  color: #0F1117;
  border: none;
  border-radius: 8px;
  padding: 14px 26px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  font-size: 17px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

.submit-btn:hover {
  background: var(--glow);
  transform: scale(1.02);
  box-shadow: 0 0 20px rgba(242, 92, 30, 0.35);
}

/* ─── SECTION SHARED ──────────────────────────────────────────── */
section {
  padding: 100px 24px;
}

.section-inner {
  max-width: 1040px;
  margin: 0 auto;
}

.section-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ember);
  margin-bottom: 14px;
}

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: clamp(36px, 5vw, 56px);
  letter-spacing: -1px;
  color: var(--text);
  line-height: 1.15;
}

/* ─── HOW IT WORKS ────────────────────────────────────────────── */
#how {
  border-top: 1px solid var(--border);
}

#how .section-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

#how .section-title {
  margin-bottom: 56px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  width: 100%;
}

.step-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 36px 28px;
  text-align: left;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  cursor: default;
}

.step-card:hover {
  border-color: rgba(242, 92, 30, 0.4);
  box-shadow: 0 0 0 1px rgba(242, 92, 30, 0.4);
}

.step-title {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 22px;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.step-desc {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.65;
}

/* ─── LOGOS STRIP ─────────────────────────────────────────────── */
#logos {
  padding: 60px 24px;
  border-top: 1px solid var(--border);
}

#logos .section-inner {
  text-align: center;
}

.logos-label {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 32px;
  letter-spacing: 0.5px;
}

.logos-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 56px;
  flex-wrap: wrap;
}

.logo-item {
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0.72;
  transition: opacity 0.2s ease;
}

.logo-item:hover {
  opacity: 1;
}

.logo-item--gray {
  opacity: 0.38;
  filter: grayscale(1);
}

.logo-item--gray:hover {
  opacity: 0.55;
}

.logos-row + .logos-row {
  margin-top: 36px;
}

.logo-item svg {
  display: block;
  flex-shrink: 0;
}

.logo-item span {
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  font-size: 20px;
  color: var(--text);
  letter-spacing: -0.3px;
}

/* ─── SECOND CTA ──────────────────────────────────────────────── */
#cta {
  border-top: 1px solid var(--border);
  text-align: center;
}

#cta .section-title {
  margin-bottom: 36px;
}

#cta .section-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 32px;
}

/* ─── FOOTER ──────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 16px;
  color: var(--muted);
}

.footer-copy strong {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  color: var(--ember);
}

.footer-link {
  font-size: 16px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--text);
}

/* ─── HIGHLIGHT SECTION ──────────────────────────────────────── */
#highlight {
  border-top: 1px solid var(--border);
}

#highlight .section-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

#highlight .section-title {
  margin-bottom: 48px;
}

/* Demo embed */
.demo-embed {
  display: flex;
  width: 100%;
  max-width: 1040px;
  height: 520px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface);
}

.demo-sidebar {
  width: 220px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  padding: 20px 16px;
  overflow-y: auto;
  background: var(--bg);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.demo-sidebar::-webkit-scrollbar { width: 4px; }
.demo-sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.demo-sidebar-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.demo-dataset-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.demo-dataset-tag {
  display: inline-block;
  background: rgba(242, 92, 30, 0.12);
  border: 1px solid rgba(242, 92, 30, 0.25);
  border-radius: 6px;
  padding: 3px 9px;
  font-size: 12px;
  color: var(--ember);
  font-weight: 500;
  margin-bottom: 10px;
}

.demo-dataset-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 0;
}

.demo-tables-section {
  margin-top: 16px;
}

.demo-tables {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.demo-table-chip {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 5px 10px;
  font-size: 12px;
  color: var(--muted);
  font-family: 'SF Mono', 'Fira Code', monospace;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Chat area */
.demo-chat {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.demo-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px 20px 12px;
}

.demo-messages::-webkit-scrollbar { width: 4px; }
.demo-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.demo-bubble {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  animation: fadeUp 0.3s ease both;
}

.demo-bubble-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  margin-top: 2px;
}

.demo-bubble-icon.user {
  background: #1E2333;
  color: var(--muted);
  border: 1px solid var(--border);
}

.demo-bubble-icon.cynda {
  background: linear-gradient(135deg, var(--ember), var(--flame));
  color: #0F1117;
  font-family: 'Space Grotesk', sans-serif;
}

.demo-bubble-body { flex: 1; min-width: 0; }

.demo-bubble-sender {
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 4px;
}

.demo-bubble-sender.cynda { color: var(--ember); }

.demo-bubble-text {
  font-size: 14.5px;
  color: rgba(232, 232, 228, 0.9);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.demo-code-block {
  margin-top: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.demo-code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--border);
  padding: 5px 8px 5px 12px;
}

.demo-code-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ember);
  text-transform: uppercase;
}

.demo-code-actions {
  display: flex;
  gap: 4px;
}

.demo-code-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 5px;
  padding: 4px 12px;
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  line-height: 1.6;
}

.demo-code-btn:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.25);
}

.demo-code-btn.copied {
  color: #4ade80;
  border-color: #4ade80;
}

.demo-code-toggle {
  padding: 4px 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.demo-code-block.collapsed pre {
  display: none;
}

.hljs-keyword, .hljs-operator   { color: #c792ea; }
.hljs-built_in, .hljs-title.function_ { color: #82aaff; }
.hljs-string, .hljs-quote        { color: #c3e88d; }
.hljs-number, .hljs-literal      { color: #f78c6c; }
.hljs-comment                    { color: #546e7a; font-style: italic; }
.hljs-variable, .hljs-attr       { color: #ffcb6b; }

.demo-code-block pre {
  margin: 0;
  padding: 12px 14px;
  background: rgba(0, 0, 0, 0.25);
  overflow-x: auto;
}

.demo-code-block code {
  font-family: 'SF Mono', 'Fira Code', 'Fira Mono', monospace;
  font-size: 12.5px;
  color: rgba(232, 232, 228, 0.85);
  line-height: 1.6;
  white-space: pre;
}

/* Typing indicator */
.demo-typing {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 4px 0;
}

.demo-typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--muted);
  animation: bounce 1.2s ease infinite;
}

.demo-typing-dot:nth-child(2) { animation-delay: 0.15s; }
.demo-typing-dot:nth-child(3) { animation-delay: 0.3s; }

@keyframes bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-4px); }
}

/* Input area */
.demo-input-area {
  padding: 12px 16px 16px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.demo-suggestions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.demo-pill {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 12.5px;
  color: var(--muted);
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  transition: border-color 0.2s, color 0.2s;
  white-space: nowrap;
}

.demo-pill:hover {
  border-color: var(--ember);
  color: var(--text);
}

.demo-form {
  display: flex;
  gap: 8px;
}

.demo-input {
  flex: 1;
  background: #1E2333;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}

.demo-input::placeholder { color: var(--muted); }
.demo-input:focus { border-color: var(--ember); }

.demo-send {
  background: var(--ember);
  color: #0F1117;
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}

.demo-send:hover:not(:disabled) { background: var(--glow); }
.demo-send:disabled { opacity: 0.4; cursor: not-allowed; }


/* ─── FOOTER LINKS ───────────────────────────────────────────── */
.footer-links {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

/* ─── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 860px) {
  nav {
    padding: 0 24px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  section {
    padding: 72px 24px;
  }

  .demo-embed {
    flex-direction: column;
    height: 580px;
  }

  .demo-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    padding: 12px 16px;
    gap: 8px;
    overflow-y: visible;
  }

  .demo-tables-section { display: none; }
  .demo-dataset-desc { display: none; }
}

@media (max-width: 540px) {
  .hero-headline {
    font-size: clamp(44px, 12vw, 56px);
    letter-spacing: -1.5px;
  }

  .hero-sub {
    font-size: 18px;
  }

  .submit-btn {
    width: 100%;
    font-size: 17px;
    padding: 16px 20px;
  }

  .step-title {
    font-size: 22px;
  }

  .step-desc {
    font-size: 17px;
  }

  .section-label {
    font-size: 14px;
  }

  footer {
    padding: 24px;
    flex-direction: column;
    text-align: center;
  }

  .nav-cta {
    font-size: 15px;
    padding: 8px 16px;
  }

  .demo-sidebar { display: none; }
  .demo-embed { height: 480px; }
}

/* ── Data table rendered inside chat bubbles ──────────────────────── */
.cynda-table-wrap {
  margin-top: 10px;
  overflow-x: auto;
  max-height: 300px;
  overflow-y: auto;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.cynda-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
  font-family: inherit;
}
.cynda-table th {
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.06);
  color: var(--ember);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 7px 12px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}
.cynda-table td {
  padding: 6px 12px;
  color: rgba(232,232,228,0.85);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  white-space: nowrap;
}
.cynda-table tbody tr:last-child td { border-bottom: none; }
.cynda-table tbody tr:hover td { background: rgba(255,255,255,0.03); }