/* ============================================================
   MH VoiceHub, shared styles
   Design tokens
   ============================================================ */

:root {
  /* Color */
  --ink: #171b1e;
  --paper: #e9edec;
  --paper-raised: #f4f6f5;
  --charcoal: #131c24;
  --slate: #2e4053;
  --slate-line: #435269;
  --copper: #c1662f;
  --copper-dark: #a2531f;
  --teal: #3fa7a0;
  --paper-ink-soft: #4c565c;
  --on-dark: #f2f1ed;
  --on-dark-soft: #a9b6c2;

  /* Type */
  --font-head: "Space Grotesk", "Arial Narrow", sans-serif;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  /* Layout */
  --max: 1120px;
  --col: 720px;
  --radius: 3px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0;
}

p { margin: 0 0 1em; color: var(--paper-ink-soft); max-width: 62ch; }
a { color: inherit; }

.on-dark p { color: var(--on-dark-soft); }

img, svg { display: block; max-width: 100%; }

/* Layout helpers */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}
.narrow { max-width: var(--col); margin: 0 auto; }

section { padding: 96px 0; }
@media (max-width: 720px) {
  section { padding: 64px 0; }
  .wrap { padding: 0 20px; }
}

.on-dark { background: var(--charcoal); color: var(--on-dark); }
.on-dark h1, .on-dark h2, .on-dark h3 { color: var(--on-dark); }
.on-slate { background: var(--slate); color: var(--on-dark); }
.on-slate h1, .on-slate h2, .on-slate h3 { color: var(--on-dark); }
.on-slate p { color: var(--on-dark-soft); }
.on-raised { background: var(--paper-raised); }

/* Top nav */
.topnav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(19, 28, 36, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--slate-line);
}
.topnav .wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--on-dark);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.brand { display: inline-flex; text-decoration: none; }
.logo-chip {
  display: inline-flex;
  align-items: center;
}
.logo-chip img { height: 46px; width: auto; display: block; border-radius: 4px; }
.logo-chip.small img { height: 38px; }
.legal .topnav .logo-chip img,
.on-raised .logo-chip img { height: 40px; }
.topnav nav { display: flex; gap: 28px; align-items: center; }
.topnav nav a {
  color: var(--on-dark-soft);
  text-decoration: none;
  font-size: 0.94rem;
}
.topnav nav a:hover { color: var(--on-dark); }

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .topnav nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--charcoal);
    border-bottom: 1px solid var(--slate-line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .topnav nav.open {
    max-height: 340px;
    padding: 4px 32px 20px;
  }
  .topnav nav a {
    width: 100%;
    padding: 14px 0;
    border-top: 1px solid var(--slate-line);
    font-size: 1rem;
  }
  .topnav nav a.btn {
    border-top: none;
    margin-top: 12px;
    width: 100%;
    padding: 13px 22px;
  }
}
@media (max-width: 480px) {
  .topnav nav.open { padding-left: 20px; padding-right: 20px; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  line-height: 1;
}
.btn-primary {
  background: var(--copper);
  color: #fff9f4;
}
.btn-primary:hover { background: var(--copper-dark); }
.btn-ghost {
  background: transparent;
  border-color: var(--slate-line);
  color: var(--on-dark);
}
.btn-ghost:hover { border-color: var(--on-dark-soft); }
.btn-line {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}
.btn-line:hover { background: var(--ink); color: var(--paper); }
.btn-block { width: 100%; justify-content: center; }

/* Hero */
.hero {
  padding-top: 72px;
  padding-bottom: 88px;
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; }
}
.hero h1 {
  font-size: clamp(2.2rem, 4.4vw, 3.5rem);
  margin-bottom: 22px;
}
.hero .lede {
  font-size: 1.15rem;
  color: var(--on-dark-soft);
  max-width: 46ch;
  margin-bottom: 32px;
}
.hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 22px; }
.trust-line {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--on-dark-soft);
  letter-spacing: 0.02em;
}

/* Dispatch log widget */
.dispatch {
  background: #0d151b;
  border: 1px solid var(--slate-line);
  border-radius: var(--radius);
  overflow: hidden;
}
.dispatch-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--slate-line);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--on-dark-soft);
}
.dispatch-head .led {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 6px var(--teal);
}
.dispatch-body {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 18px 16px;
  color: var(--on-dark-soft);
}
.dispatch-body .line { margin-bottom: 14px; }
.dispatch-body .t { color: #6c7c8c; margin-right: 10px; }
.dispatch-body .caller { color: var(--on-dark); }
.dispatch-body .ai { padding-left: 60px; color: var(--on-dark-soft); }
@media (max-width: 480px) {
  .dispatch-body { font-size: 0.78rem; padding: 16px 14px; }
  .dispatch-body .ai { padding-left: 16px; }
}
.dispatch-body .ok { color: var(--teal); }
.dispatch-body .booked { color: var(--copper); }

/* Demo video section */
.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 900px) {
  .demo-grid { grid-template-columns: 1fr; }
}
.demo-phone {
  margin-top: 22px;
  font-family: var(--font-mono);
}
.video-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid #cfd4d1;
  background: var(--charcoal);
  line-height: 0;
}
.video-frame video {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 9;
  background: var(--charcoal);
}
.demo-hint {
  margin-top: 18px;
  font-size: 0.92rem;
  color: var(--on-dark-soft);
}
.inline-tel {
  color: var(--on-dark);
  font-family: var(--font-mono);
  text-decoration: underline;
}

/* Problem stats */
.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 40px;
}
@media (max-width: 720px) { .stat-row { grid-template-columns: 1fr; gap: 28px; } }
.stat-num {
  font-family: var(--font-head);
  font-size: 2.6rem;
  color: var(--copper-dark);
  margin-bottom: 6px;
}
.stat-label { font-size: 0.95rem; color: var(--paper-ink-soft); max-width: 32ch; }

/* How it works */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 48px;
  counter-reset: step;
}
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.step {
  border-top: 2px solid var(--slate-line);
  padding-top: 16px;
}
.step-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--copper);
  margin-bottom: 10px;
}
.step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { font-size: 0.94rem; margin-bottom: 0; }

/* Pricing */
.price-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
}
.billing-note {
  margin-top: 22px;
  padding: 14px 18px;
  max-width: 56ch;
  background: #0d151b;
  border-left: 3px solid var(--copper);
  border-radius: var(--radius);
  font-size: 0.92rem;
  color: var(--on-dark-soft);
}
@media (max-width: 820px) { .price-grid { grid-template-columns: 1fr; } }
.price-card {
  background: #0d151b;
  border: 1px solid var(--slate-line);
  border-radius: var(--radius);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
}
@media (max-width: 480px) {
  .price-card { padding: 28px 22px; }
  .price-amount { font-size: 2.1rem; }
}
.price-card.featured { border-color: var(--copper); }
.price-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--on-dark-soft);
  text-transform: none;
  margin-bottom: 14px;
}
.price-amount {
  font-family: var(--font-head);
  font-size: 2.6rem;
  color: var(--on-dark);
  margin-bottom: 4px;
}
.price-amount span { font-size: 1rem; color: var(--on-dark-soft); font-family: var(--font-body); }
.price-card h3 { color: var(--on-dark); font-size: 1.2rem; margin-bottom: 18px; }
.price-list { list-style: none; margin: 0 0 28px; padding: 0; flex-grow: 1; }
.price-list li {
  padding: 10px 0;
  border-top: 1px solid var(--slate-line);
  font-size: 0.94rem;
  color: var(--on-dark-soft);
  display: flex;
  gap: 10px;
}
.price-list li:first-child { border-top: none; }
.price-list li::before {
  content: "+";
  color: var(--teal);
  font-family: var(--font-mono);
  flex-shrink: 0;
}
.price-foot {
  font-size: 0.82rem;
  color: var(--on-dark-soft);
  margin-top: 12px;
}

/* FAQ */
.faq-item {
  border-top: 1px solid var(--slate-line);
  padding: 22px 0;
}
.faq-item:last-child { border-bottom: 1px solid var(--slate-line); }
.faq-item h3 { font-size: 1.02rem; margin-bottom: 8px; }
.faq-item p { margin-bottom: 0; font-size: 0.96rem; }

/* Final CTA */
.final-cta {
  text-align: left;
}
.final-cta h2 { margin-bottom: 14px; }
.final-cta .cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }

/* Footer */
footer.site {
  background: var(--charcoal);
  color: var(--on-dark-soft);
  padding: 56px 0 32px;
  border-top: 1px solid var(--slate-line);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--slate-line);
}
.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
@media (max-width: 480px) {
  .footer-links { gap: 16px 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}
.footer-links a { text-decoration: none; color: var(--on-dark-soft); font-size: 0.92rem; }
.footer-links a:hover { color: var(--on-dark); }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  font-family: var(--font-mono);
}
.footer-bottom a { color: var(--on-dark-soft); }

/* Legal pages */
.legal h1 { font-size: 2.1rem; margin-bottom: 8px; }
.legal .updated {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--paper-ink-soft);
  margin-bottom: 40px;
}
.legal h2 {
  font-size: 1.25rem;
  margin-top: 42px;
  margin-bottom: 12px;
  padding-top: 24px;
  border-top: 1px solid #cfd4d1;
}
.legal h2:first-of-type { border-top: none; padding-top: 0; margin-top: 32px; }
.legal p, .legal li { color: var(--paper-ink-soft); font-size: 0.98rem; }
.legal ul { padding-left: 20px; }
.legal li { margin-bottom: 8px; }
.legal strong { color: var(--ink); }
.legal a.inline { color: var(--copper-dark); text-decoration: underline; }
.back-link {
  display: inline-block;
  margin-bottom: 40px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--paper-ink-soft);
  text-decoration: none;
}
.back-link:hover { color: var(--ink); }