:root {
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #F7F8FA;
  --color-border: #E5E7EB;
  --color-text-primary: #16181D;
  --color-text-secondary: #5B616E;
  --color-text-muted: #9297A2;

  --color-blue: #2F6FED;
  --color-teal: #1FA97A;
  --color-orange: #F5A623;
  --color-purple: #6D28D9;
  --color-coral: #EF476F;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Splash intro ---------- */
/* Each letter is cropped straight out of the real logo asset (assets/splash-{p,l,e,d,r}.png)
   — pixel-identical to the real logo, never a separate webfont standing in for it. Every
   letter pops up and settles into place on its own, one at a time, like it's stepping out
   and standing up — then the group crossfades into the single full-logo image, which
   shrinks into its real nav position. */
#splash {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #fff;
  pointer-events: none;
}
#splash-logo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: flex-end;
  height: 72px;
}
.splash-letter {
  height: 100%;
  width: auto;
  display: block;
  transform-origin: 50% 100%;
  opacity: 0;
  transform: translateY(26px) scale(0.35) rotate(-22deg);
  animation: letter-stand 0.65s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}
.splash-letter:nth-child(1) { animation-delay: 0.1s; }
.splash-letter:nth-child(2) { animation-delay: 0.6s; }
.splash-letter:nth-child(3) { animation-delay: 1.1s; }
.splash-letter:nth-child(4) { animation-delay: 1.6s; }
.splash-letter:nth-child(5) { animation-delay: 2.1s; }
@keyframes letter-stand {
  to { opacity: 1; transform: translateY(0) scale(1) rotate(0deg); }
}
#splash-logo-img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  height: 72px;
  opacity: 0;
  will-change: transform, opacity;
  transition: opacity 0.45s ease;
}
#splash-logo-img.img-visible { opacity: 1; }
#splash-logo.text-hidden { opacity: 0; transition: opacity 0.4s ease; }
#splash.splash-fade { transition: background-color 0.7s ease; background-color: rgba(255,255,255,0); }
#splash.splash-done { display: none; }
@media (prefers-reduced-motion: reduce) {
  .splash-letter { animation: none; opacity: 1; transform: none; }
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color 150ms ease;
}
.nav.scrolled { border-bottom-color: var(--color-border); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav-left { display: flex; align-items: center; gap: 40px; }
.nav-logo img { height: 36px; display: block; }
.nav-links { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}
.nav-links a:hover { color: var(--color-text-primary); }
.nav-right { display: flex; align-items: center; gap: 16px; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  font-size: 12px;
  color: var(--color-text-secondary);
  white-space: nowrap;
}
.pill .dot { width: 6px; height: 6px; border-radius: 999px; background: var(--color-teal); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease;
}
.btn-filled { background: var(--color-text-primary); color: #fff; }
.btn-filled:hover { background: #000; }
.btn-blue { background: var(--color-blue); color: #fff; }
.btn-blue:hover { box-shadow: 0 0 0 4px rgba(47,111,237,0.15); }
.btn-outline { background: transparent; color: var(--color-text-primary); border-color: var(--color-text-primary); }
.btn-outline:hover { background: var(--color-bg-secondary); }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ---------- Hero ---------- */
.hero {
  padding: 96px 0 120px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero h1 {
  font-size: 60px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
}
.hero p.sub {
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  max-width: 60ch;
  margin: 0 0 32px;
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
.hero-note { font-size: 13px; color: var(--color-text-secondary); }

/* diagram */
.diagram {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 40px 24px;
  animation: diagram-glow 3.5s ease-in-out infinite;
}
@keyframes diagram-glow {
  0%, 100% { box-shadow: 0 0 0 rgba(47, 111, 237, 0); }
  25%      { box-shadow: 0 0 28px -6px rgba(47, 111, 237, 0.25); }
  50%      { box-shadow: 0 0 28px -6px rgba(31, 169, 122, 0.22); }
  75%      { box-shadow: 0 0 28px -6px rgba(239, 71, 111, 0.22); }
}
@media (prefers-reduced-motion: reduce) {
  .diagram { animation: none; }
}
.diagram-chain {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.diagram-node {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  position: relative;
  z-index: 1;
}
.diagram-node .swatch { width: 10px; height: 10px; border-radius: 999px; flex-shrink: 0; }
.diagram-line {
  width: 3px;
  height: 36px;
  margin-left: 26px;
  background: linear-gradient(to bottom, var(--line-a, #2F6FED), var(--line-b, #1FA97A));
  position: relative;
  overflow: visible;
}
.diagram-line::after {
  content: '';
  position: absolute;
  left: -3px;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 0 6px rgba(0,0,0,0.15);
  animation: pulse-travel 3.5s linear infinite;
}
.diagram-arrow {
  position: absolute;
  bottom: -7px;
  left: -5px;
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 7px solid;
}
@keyframes pulse-travel {
  0% { top: -8px; }
  100% { top: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .diagram-line::after { animation: none; display: none; }
}

.diagram-node.diagram-final {
  background: color-mix(in srgb, var(--final-color, var(--color-coral)) 8%, white);
  border: 1.5px solid var(--final-color, var(--color-coral));
  font-weight: 700;
}
.diagram-check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  color: #fff;
  font-size: 11px;
  flex-shrink: 0;
}

/* ---------- Sections ---------- */
section { padding: 96px 0; }
.section-alt { background: var(--color-bg-secondary); }
.section-head { max-width: 640px; margin: 0 0 56px; }
.section-head h2 {
  font-size: 38px;
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 12px;
}
.section-head p {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ---------- MCP grid ---------- */
.mcp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.mcp-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 24px;
  border-top: 3px solid var(--card-color, var(--color-blue));
  transition: transform 180ms ease-out, box-shadow 180ms ease-out;
}
.mcp-card.live { grid-column: span 2; }
.mcp-card.interactive:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px -12px rgba(22,24,29,0.15);
}
.mcp-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--card-color, var(--color-blue)) 12%, transparent);
  color: var(--card-color, var(--color-blue));
  margin-bottom: 16px;
  font-size: 16px;
}
.mcp-card h3 { font-size: 21px; font-weight: 600; margin: 0 0 8px; }
.mcp-card p.desc { font-size: 14px; color: var(--color-text-secondary); line-height: 1.55; margin: 0 0 16px; }
.mcp-card.coming p.desc { color: var(--color-text-muted); }
.mcp-status {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 14px;
}
.mcp-status .dot { width: 7px; height: 7px; border-radius: 999px; }
.mcp-status.live .dot { background: var(--color-teal); box-shadow: 0 0 0 3px rgba(31,169,122,0.18); }
.mcp-status.soon .dot { background: var(--color-text-muted); }
.mcp-link {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 13px; font-weight: 600; color: var(--color-blue); text-decoration: none;
}
.mcp-link:hover { text-decoration: underline; }

/* ---------- What's next (de-emphasized roadmap strip) ---------- */
.next-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.next-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 150ms ease;
  flex: 1 1 200px;
}
.next-item:hover { border-color: var(--color-text-muted); }
.next-icon { display: flex; align-items: center; }
.next-name { font-size: 14px; font-weight: 600; color: var(--color-text-secondary); flex: 1; }

/* ---------- Legal MCP detail ---------- */
.legal-detail-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: start;
}
.legal-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.flow-box {
  padding: 10px 14px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text-primary);
}
.flow-arrow { color: var(--color-text-muted); font-size: 14px; }
.chat-mock {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.chat-bubble {
  padding: 14px 16px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.55;
  max-width: 90%;
}
.chat-user {
  align-self: flex-end;
  background: var(--color-blue);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.chat-ai {
  align-self: flex-start;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  border-bottom-left-radius: 4px;
}
.chat-cite {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  color: var(--color-text-muted);
}
.code-block {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 20px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--color-text-primary);
  overflow-x: auto;
  white-space: pre;
}
.code-tag {
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 11px;
  color: var(--color-text-muted);
  margin-bottom: 10px;
  display: block;
}

/* ---------- Pain / problem-solution ---------- */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.pain-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 24px;
}
.pain-problem {
  font-size: 15px;
  font-weight: 600;
  font-style: italic;
  color: var(--color-text-primary);
  margin: 0 0 12px;
}
.pain-fix {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}
.mcp-explainer {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 14px;
  margin: 0 0 16px;
}
.coverage-line {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin: 12px 0 0;
}
.coverage-line strong { color: var(--color-text-primary); }

/* ---------- Tool connect cards ---------- */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 920px;
}
@media (max-width: 1000px) {
  .tool-grid { grid-template-columns: repeat(2, 1fr); }
}
.tool-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 20px;
}
.tool-name { font-size: 16px; font-weight: 600; margin: 0 0 6px; }
.tool-desc { font-size: 13px; color: var(--color-text-secondary); line-height: 1.5; margin: 0 0 16px; min-height: 40px; }
.tool-card { display: flex; flex-direction: column; }
.tool-tutorial-link {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-blue);
  text-decoration: none;
  white-space: nowrap;
}
.tool-tutorial-link:hover { text-decoration: underline; }
.signin-note {
  max-width: 560px;
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 20px 0 0;
}

/* ---------- Connect panel ---------- */
.connect-panel {
  display: flex;
  flex-direction: column;
  gap: 28px;
  max-width: 560px;
}
.connect-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.connect-num {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 999px;
  background: var(--color-text-primary);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  display: flex; align-items: center; justify-content: center;
}
.connect-step-title { font-size: 15px; font-weight: 600; margin: 0 0 10px; }
.connect-note { font-size: 13px; color: var(--color-text-secondary); margin: 8px 0 0; }
.connect-url-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 10px 12px;
}
.connect-url-row code {
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 13px;
  color: var(--color-text-primary);
  flex: 1;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 64px 0 40px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.footer-brand img { height: 28px; margin-bottom: 12px; display: block; }
.footer-dots { display: flex; gap: 8px; margin-top: 12px; }
.footer-dots span { width: 8px; height: 8px; border-radius: 999px; }
.footer-cols { display: flex; gap: 64px; flex-wrap: wrap; }
.footer-col h4 {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--color-text-muted); font-weight: 600; margin: 0 0 14px;
}
.footer-col a {
  display: block; font-size: 14px; color: var(--color-text-secondary);
  text-decoration: none; margin-bottom: 10px;
}
.footer-col a:hover { color: var(--color-text-primary); }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 450ms ease, transform 450ms ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- Waitlist modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(22,24,29,0.4);
  display: none; align-items: center; justify-content: center; z-index: 100; padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: #fff; border-radius: 16px; padding: 32px; max-width: 400px; width: 100%;
  border: 1px solid var(--color-border);
}
.modal h3 { margin: 0 0 8px; font-size: 20px; }
.modal p { margin: 0 0 20px; color: var(--color-text-secondary); font-size: 14px; }
.modal input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--color-border);
  border-radius: 8px; font-size: 14px; margin-bottom: 12px; font-family: inherit;
}
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 36px; }
  section { padding: 64px 0; }
  .mcp-grid { grid-template-columns: 1fr; }
  .mcp-card.live { grid-column: span 1; }
  .legal-detail-grid { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; }
  .pain-grid { grid-template-columns: 1fr; }
  .tool-grid { grid-template-columns: 1fr; }
}