/* ── Tokens ──────────────────────────────────────────── */
.funnel {
  --ink: #0c1f17;
  --paper: #f4ecd8;
  --paper-2: #ede1c4;
  --terracotta: #b04a2f;
  --oxide: #6b5a2f;
  --moss: #2d4a2b;
  --rule: #c9b888;
  --rule-strong: #8a7a4f;
  --cp-dark: #0c2830;
  --cp-mid: #174355;
  --cp-dim: rgba(255,255,255,0.55);
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'Fira Code', 'Cascadia Code', monospace;
}

.funnel, .funnel * { box-sizing: border-box; }
.funnel {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}

/* ── Paper grain ─────────────────────────────────────── */
.paper-grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='400' height='400' filter='url(%23g)' opacity='0.025'/%3E%3C/svg%3E");
  opacity: 0.025;
}


/* ── Nav ─────────────────────────────────────────────── */
.funnel-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 40px; border-bottom: 1px solid var(--cp-mid);
  position: sticky; top: 0; background: var(--cp-dark); z-index: 100;
}
.funnel-nav .nav-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
}
.funnel-nav .nav-logo-img {
  height: 28px; width: auto; display: block;
}
.funnel-nav .nav-logo-tag {
  font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--cp-dim);
  border-left: 1px solid var(--cp-mid); padding-left: 10px; line-height: 1;
}
.funnel-nav .nav-links {
  display: flex; gap: 32px; list-style: none; margin: 0; padding: 0;
}
.funnel-nav .nav-links a {
  font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--cp-dim); text-decoration: none;
}
.funnel-nav .nav-links a:hover { color: #fff; }
.funnel-nav .nav-cta {
  font-family: var(--font-mono); font-size: 0.8rem;
  background: var(--terracotta); color: var(--paper);
  border: none; padding: 8px 20px; cursor: pointer;
}
.funnel-nav .nav-cta:hover { background: var(--cp-mid); }
.funnel-nav .nav-cta:disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }

/* ── Nav hamburger — hide mobile-only elements on desktop ─ */
.funnel-nav .nav-toggle-input { display: none; }
.funnel-nav .nav-hamburger    { display: none; }
.funnel-nav .nav-mobile-cta-item { display: none; }
.funnel-nav .nav-hamburger-close { display: none; }

/* ── Section layout ──────────────────────────────────── */
.funnel-section { padding: 80px 40px; border-bottom: 1px solid var(--rule); }
.section-eyebrow {
  font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--oxide); margin-bottom: 12px;
}
/* ── Norm rotator ────────────────────────────────────── */
@keyframes norm-enter {
  from { opacity: 0; transform: translateY(-28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes norm-exit {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(28px); }
}
.norm-rotator {
  display: inline-block;
  color: var(--terracotta);
  white-space: pre-line;
}
.norm-rotator.norm-enter {
  animation: norm-enter 0.45s cubic-bezier(0.22,1,0.36,1) forwards;
}
.norm-rotator.norm-exit {
  animation: norm-exit 0.35s ease-in forwards;
}

.section-title {
  font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700; line-height: 1.1; color: var(--ink); margin-bottom: 24px;
  font-variation-settings: 'opsz' 36;
}

/* ── Hero grid ───────────────────────────────────────── */
.hero-section { position: relative; overflow: hidden; }
.funnel-grid {
  display: grid;
  grid-template-columns: 400px 1fr 440px;
  grid-template-areas: "headline chat workspace";
  max-width: 1280px; margin: 80px auto 0; min-height: 600px;
}
.hero-headline-col {
  grid-area: headline; border-right: 1px solid var(--rule);
  padding: 40px 48px 40px 0;
  display: flex; flex-direction: column; justify-content: center;
}
.hero-iso-eyebrow {
  font-family: var(--font-mono); font-size: 0.65rem; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--oxide); margin-bottom: 14px; opacity: 0.85;
}
.hero-headline-col .section-title {
  margin-bottom: 16px;
  font-weight: 500; font-variation-settings: 'opsz' 72;
}
.hero-sub {
  font-size: 1rem; color: var(--oxide); line-height: 1.65; margin-bottom: 28px;
}
.hero-cta {
  align-self: flex-start;
  background: var(--terracotta); color: var(--paper);
  font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.08em;
  padding: 14px 32px; min-width: 180px; border: none; cursor: pointer; margin-top: 4px;
}
.hero-cta:hover { background: var(--cp-mid); }
.hero-cta:disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }
.chat-marginalia { display: none; }
.chat-intro-label {
  font-family: var(--font-mono); font-size: 0.65rem; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--oxide); opacity: 0.7;
  margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--rule);
}
.chat-column {
  grid-area: chat; padding: 24px 20px;
  overflow-y: auto; max-height: 680px;
}
.workspace-column {
  grid-area: workspace; border-left: 1px solid var(--rule);
  padding: 24px; background: var(--paper-2);
}

/* ── Chat turns ──────────────────────────────────────── */
.chat-turn {
  margin-bottom: 20px; padding-bottom: 20px;
  border-bottom: 1px solid var(--rule);
}
.chat-turn:last-child { border-bottom: none; }
.turn-label {
  font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--oxide); margin-bottom: 8px;
}
.turn-user .turn-label { color: var(--moss); }
.turn-timestamp {
  font-family: var(--font-mono); font-size: 0.62rem;
  color: var(--rule-strong); margin-left: 10px; opacity: 0.7;
}
.turn-text { font-size: 0.95rem; line-height: 1.65; color: var(--ink); }
.turn-text strong { font-weight: 600; }
.turn-text ul { margin: 8px 0 8px 16px; }

/* ── Tool call entry ─────────────────────────────────── */
.tool-call {
  border-top: 1px solid var(--terracotta);
  border-bottom: 1px solid var(--terracotta);
  padding: 10px 14px; margin: 4px 0; cursor: pointer;
}
.tool-call-header { display: flex; align-items: center; gap: 12px; }
.tool-name {
  font-family: var(--font-mono); font-size: 0.75rem;
  font-variant: small-caps; color: var(--terracotta);
}
.tool-status { font-family: var(--font-mono); font-size: 0.68rem; color: var(--moss); }
.tool-body {
  margin-top: 8px; font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--oxide); display: none; white-space: pre-wrap;
}
.tool-call.expanded .tool-body { display: block; }

/* ── Workspace panel ─────────────────────────────────── */
.ws-fig-label {
  font-family: var(--font-mono); font-size: 0.65rem; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--oxide); margin-bottom: 16px;
  border-bottom: 1px solid var(--rule); padding-bottom: 8px;
}
.ws-company-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.ws-company-table td { padding: 5px 0; vertical-align: top; }
.ws-company-table td:first-child {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--oxide); width: 40%;
}
.ws-bom-tree { font-family: var(--font-mono); font-size: 0.75rem; line-height: 1.8; }
.ws-bom-node { padding-left: 16px; }
.ws-bom-node::before { content: '\251C\2500 '; color: var(--rule-strong); }
.ws-bom-root { padding-left: 0; }
.ws-bom-root::before { content: ''; }
.ws-arc-container { display: flex; align-items: center; gap: 20px; }
.ws-arc-svg { width: 160px; height: 160px; flex-shrink: 0; }
.ws-arc-legend { font-size: 0.78rem; }
.ws-arc-legend-item { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.ws-arc-swatch { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.ws-arc-pct { font-family: var(--font-mono); font-size: 0.7rem; color: var(--oxide); }

/* ── Install tabs ────────────────────────────────────── */
.install-tabs-bar {
  display: flex; gap: 0; border-bottom: 1px solid var(--rule);
  list-style: none; padding: 0; margin: 0;
}
.install-tab-btn {
  font-family: var(--font-mono); font-size: 0.75rem; padding: 10px 20px;
  background: none; border: none; border-bottom: 2px solid transparent;
  cursor: pointer; color: var(--oxide); text-transform: uppercase; letter-spacing: 0.06em;
}
.install-tab-btn.active { color: var(--ink); border-bottom-color: var(--terracotta); }
.install-panel {
  display: none; background: var(--paper-2); border: 1px solid var(--rule);
  border-top: none; padding: 20px 24px; position: relative;
}
.install-panel.active { display: block; }
.install-panel pre {
  font-family: var(--font-mono); font-size: 0.82rem; line-height: 1.6;
  margin: 0; overflow-x: auto; white-space: pre-wrap;
  word-break: break-all; color: var(--ink);
}
.install-copy-btn {
  position: absolute; top: 12px; right: 12px;
  font-family: var(--font-mono); font-size: 0.7rem;
  background: none; border: 1px solid var(--rule); padding: 4px 10px;
  cursor: pointer; color: var(--oxide);
}
.install-copy-btn:hover { border-color: var(--terracotta); color: var(--terracotta); }
.install-note {
  font-size: 0.85rem; color: var(--oxide); margin: 0 0 12px;
}
.install-note a { color: var(--terracotta); }
.install-note strong { color: var(--ink); }

/* ── Tool inventory ──────────────────────────────────── */
.tool-inventory-category { margin-bottom: 48px; }
.tool-category-label {
  font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--oxide);
  border-bottom: 1px solid var(--rule); padding-bottom: 8px; margin-bottom: 0;
}
.tool-entry {
  border-bottom: 1px solid var(--rule-strong); padding: 16px 0;
  display: grid; grid-template-columns: 200px 1fr 80px; gap: 24px; align-items: start;
}
.tool-entry-name {
  font-family: var(--font-mono); font-size: 0.72rem;
  font-variant: small-caps; color: var(--terracotta); letter-spacing: 0.05em;
}
.tool-entry-desc { font-size: 0.88rem; color: var(--ink); line-height: 1.5; }
.tool-status-badge { font-family: var(--font-mono); font-size: 0.65rem; text-align: right; }
.tool-status-badge.production { color: var(--moss); }
.tool-status-badge.beta { color: var(--oxide); }
.tool-status-badge.planned { color: var(--rule-strong); }

/* ── Pricing rate-sheet ──────────────────────────────── */
.rate-sheet {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0; border: 1px solid var(--rule);
}
.rate-col { padding: 32px 28px; border-right: 1px solid var(--rule); display: flex; flex-direction: column; }
.rate-col:last-child { border-right: none; }
.rate-col.recommended { background: var(--paper-2); }
.rate-tier {
  font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--oxide); margin-bottom: 12px;
}
.rate-price {
  font-family: var(--font-display); font-size: 2.2rem; font-weight: 700;
  color: var(--ink); line-height: 1; font-variation-settings: 'opsz' 36;
}
.rate-price-soon {
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 400;
  color: var(--oxide); letter-spacing: 0.08em; margin-bottom: 20px; opacity: 0.65;
  font-variation-settings: normal;
}
.rate-unit { font-family: var(--font-mono); font-size: 0.72rem; color: var(--oxide); margin-bottom: 20px; }
.rate-recommended-flag {
  font-family: var(--font-mono); font-size: 0.65rem;
  background: var(--terracotta); color: var(--paper);
  padding: 2px 8px; display: inline-block; margin-bottom: 16px;
}
.rate-features { list-style: none; padding: 0; margin: 0 0 24px; font-size: 0.85rem; flex: 1; }
.rate-features li { padding: 5px 0; border-bottom: 1px solid var(--rule); }
.rate-features li::before { content: '\2014 '; font-family: var(--font-mono); color: var(--rule-strong); }
.rate-cta {
  font-family: var(--font-mono); font-size: 0.78rem; background: none;
  border: 1px solid var(--ink); padding: 10px 20px; cursor: pointer;
  color: var(--ink); width: 100%;
}
.rate-col.recommended .rate-cta {
  background: var(--terracotta); border-color: var(--terracotta); color: var(--paper);
}
.rate-cta:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.rate-cta:disabled,
.rate-col.recommended .rate-cta:disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; background: none; border-color: var(--ink); color: var(--ink); }

/* ── Modal ───────────────────────────────────────────── */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(12,31,23,0.7); z-index: 200;
  align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: var(--paper); border: 1px solid var(--rule-strong);
  padding: 40px 48px; max-width: 480px; width: 90%; position: relative;
}
.modal-close {
  position: absolute; top: 16px; right: 20px;
  background: none; border: none; font-size: 1.2rem; cursor: pointer; color: var(--oxide);
}
.modal-title {
  font-family: var(--font-display); font-size: 1.8rem; font-weight: 700;
  margin-bottom: 8px; font-variation-settings: 'opsz' 36;
}
.modal-subtitle { font-size: 0.88rem; color: var(--oxide); margin-bottom: 24px; }
.modal-form { display: flex; flex-direction: column; gap: 14px; }
.modal-input {
  font-family: var(--font-body); font-size: 0.9rem; padding: 10px 14px;
  border: 1px solid var(--rule-strong); background: var(--paper-2);
  color: var(--ink); width: 100%;
}
.modal-submit {
  font-family: var(--font-mono); font-size: 0.82rem;
  background: var(--terracotta); color: var(--paper); border: none; padding: 12px; cursor: pointer;
}
.modal-submit:hover { background: var(--ink); }
.modal-key-display {
  display: none; background: var(--paper-2);
  border: 1px solid var(--rule); padding: 16px; margin-top: 16px;
}
.modal-key-display.visible { display: block; }
.modal-key-label { font-family: var(--font-mono); font-size: 0.7rem; color: var(--oxide); margin-bottom: 6px; }
.modal-key-value { font-family: var(--font-mono); font-size: 1rem; color: var(--terracotta); word-break: break-all; }

/* ── Footer ──────────────────────────────────────────── */
.funnel-footer {
  padding: 40px; display: flex; justify-content: space-between;
  align-items: center; border-top: 1px solid var(--cp-mid);
  background: var(--cp-dark);
}
.footer-logo {
  height: 22px; width: auto; display: block; opacity: 0.85;
}
.footer-links { display: flex; gap: 24px; list-style: none; margin: 0; padding: 0; }
.footer-links a { font-family: var(--font-mono); font-size: 0.72rem; color: var(--cp-dim); text-decoration: none; }
.footer-links a:hover { color: #fff; }
.footer-note { font-family: var(--font-mono); font-size: 0.68rem; color: var(--cp-dim); opacity: 0.6; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 900px) {
  .funnel-grid {
    grid-template-columns: 1fr;
    grid-template-areas: "headline" "chat" "workspace";
  }
  .chat-marginalia { display: none; }
  .rate-sheet { grid-template-columns: 1fr; }
  .tool-entry { grid-template-columns: 1fr; gap: 4px; }
  .funnel-nav { padding: 16px 20px; }
  .funnel-section { padding: 48px 20px; }
  .hero-section { padding-top: 48px; }
}

/* ── Mobile ≤768px ───────────────────────────────────── */
@media (max-width: 768px) {

  /* Fix 1: Nav hamburger overlay */
  /* Override desktop display:none — keep input keyboard-accessible on mobile */
  .funnel-nav .nav-toggle-input {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    pointer-events: none;
  }
  .funnel-nav .nav-cta-desktop { display: none; }
  .funnel-nav .nav-hamburger {
    display: flex; align-items: center;
    cursor: pointer; color: var(--cp-dim); font-size: 1.4rem;
    background: none; border: none; padding: 4px;
  }
  #nav-toggle:focus-visible ~ .nav-hamburger {
    outline: 2px solid var(--cp-dim);
    outline-offset: 2px;
  }
  .funnel-nav .nav-links { display: none; }
  .funnel-nav .nav-mobile-cta-item { display: list-item; }

  #nav-toggle:checked ~ .nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    position: fixed;
    inset: 0;
    height: 100vh;
    height: 100svh; /* iOS Safari 15.4+: avoids browser-chrome gap */
    background: var(--cp-dark);
    z-index: 150; /* above sticky nav (100), below modal overlay (200) */
    list-style: none;
    margin: 0; padding: 0;
  }

  #nav-toggle:checked ~ .nav-links a {
    font-family: var(--font-mono); font-size: 1.2rem;
    text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--cp-dim); text-decoration: none;
  }

  #nav-toggle:checked ~ .nav-hamburger .nav-hamburger-icon { display: none; }
  #nav-toggle:checked ~ .nav-hamburger .nav-hamburger-close { display: inline; }

  /* Fix 2: Hero grid — restore headline */
  .funnel-grid {
    grid-template-columns: 1fr;
    grid-template-areas: "headline" "chat";
    margin: 40px auto 0;
  }
  .hero-headline-col {
    border-right: none;
    padding: 32px 0 24px;
  }
  .workspace-column { display: none; }

  /* Fix 3: Install tabs — horizontal scroll */
  .install-tabs-bar {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap;
    scrollbar-width: none;
  }
  .install-tabs-bar::-webkit-scrollbar { display: none; }
  .install-tab-btn { white-space: nowrap; }

  /* Fix 4: Footer — vertical stack */
  .funnel-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 32px 20px;
  }

}