@import url('https://fonts.googleapis.com/css2?family=Azeret+Mono:wght@400;500;600;700;800&display=swap');

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

:root {
  --bg: #fff;
  --text: #000;
  --text-secondary: #444;
  --text-tertiary: #999;
  --rule: #000;
  --font-mono: 'Azeret Mono', monospace;
}

body {
  font-family: var(--font-mono);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.page { min-height: 100vh; }

/* --- Topbar --- */

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2.5rem;
  border-bottom: 2px solid var(--rule);
}

.wordmark {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

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

.wordmark a:hover { color: var(--text-secondary); }

.topbar-email {
  font-size: 0.625rem;
  color: var(--text-tertiary);
}

.topbar-email a {
  color: var(--text-tertiary);
  text-decoration: none;
}

.topbar-email a:hover { color: var(--text); }

/* --- Footer --- */

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.875rem 2.5rem;
  border-top: 2px solid var(--rule);
  font-size: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
}

.footer a {
  color: var(--text-tertiary);
  text-decoration: none;
}

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

/* --- Home: Consulting hero --- */

.consulting-hero {
  padding: 4rem 2.5rem 3.5rem;
  border-bottom: 2px solid var(--rule);
}

.consulting-label {
  font-size: 0.5rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--text-tertiary);
  margin-bottom: 1.5rem;
}

.positioning {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.25;
  max-width: 780px;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

/* --- Home: Service bands --- */

.band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 2px solid var(--rule);
}

.band-left {
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 2px solid var(--rule);
}

.band-right {
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.band-label {
  font-size: 0.5rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--text-tertiary);
  margin-bottom: 1rem;
}

.band-title {
  font-size: 3.5rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 1.5rem;
}

.band-price {
  font-size: 1rem;
  font-weight: 600;
}

.band-desc {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 380px;
}

.band-arrow {
  font-size: 2rem;
  margin-top: 1.5rem;
  color: var(--text-tertiary);
  display: block;
  transition: transform 0.15s, color 0.15s;
}

.band a {
  text-decoration: none;
  color: inherit;
  display: contents;
}

.band a:hover .band-title {
  text-decoration: underline;
  text-underline-offset: 0.15em;
  text-decoration-thickness: 3px;
}

.band a:hover .band-arrow {
  color: var(--text);
  transform: translateX(6px);
}

/* --- Home: Product section --- */

.product-hero {
  background: var(--text);
  color: var(--bg);
  padding: 4rem 2.5rem 2rem;
}

.product-label {
  font-size: 0.5rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: #666;
  margin-bottom: 1.5rem;
}

.product-hook {
  font-size: 2.5rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  max-width: 600px;
}

.product-subhead {
  font-size: 0.9375rem;
  font-weight: 400;
  color: #aaa;
  line-height: 1.65;
  max-width: 560px;
  margin-bottom: 3rem;
}

.product-band {
  background: var(--text);
  color: var(--bg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 2px solid #333;
}

.product-band-left {
  padding: 2.5rem;
  border-right: 2px solid #333;
}

.product-band-right {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.product-detail-desc {
  font-size: 0.8125rem;
  font-weight: 400;
  color: #999;
  line-height: 1.75;
}

.product-name {
  font-size: 3rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 1rem;
}

.product-url {
  font-size: 0.8125rem;
  color: #666;
}

.product-url a {
  color: #666;
  text-decoration: none;
  transition: color 0.15s;
}

.product-url a:hover { color: var(--bg); }

.product-arrow {
  font-size: 2rem;
  color: #666;
  display: block;
  margin-top: 1rem;
  transition: color 0.15s, transform 0.15s;
}

.product-band a {
  text-decoration: none;
  color: inherit;
  display: contents;
}

.product-band a:hover .product-arrow {
  color: var(--bg);
  transform: translateX(6px);
}

/* --- Subpage --- */

.subpage-hero {
  padding: 4rem 2.5rem 3.5rem;
  border-bottom: 2px solid var(--rule);
}

.subpage-hero .back-link {
  font-size: 0.625rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-tertiary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  transition: color 0.15s;
}

.subpage-hero .back-link:hover { color: var(--text); }

.back-arrow {
  transition: transform 0.15s;
}

.subpage-hero .back-link:hover .back-arrow {
  transform: translateX(-4px);
}

.subpage-title {
  font-size: 2.5rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1.1;
  max-width: 700px;
}

.subpage-content {
  max-width: 680px;
  padding: 3rem 2.5rem;
}

.subpage-content h2 {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 3rem;
  margin-bottom: 1rem;
  padding-top: 2rem;
  border-top: 2px solid var(--rule);
}

.subpage-content h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.subpage-content p {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.subpage-content strong {
  color: var(--text);
  font-weight: 600;
}

.subpage-content ul {
  list-style: none;
  padding: 0;
  margin-bottom: 1rem;
}

.subpage-content ul li {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--text-secondary);
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.25rem;
}

.subpage-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 0.5rem;
  height: 2px;
  background: var(--text);
}

.subpage-content .price-block {
  font-size: 1.5rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text);
  margin: 2rem 0;
}

.subpage-content .price-block small {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-tertiary);
  text-transform: none;
}

.subpage-content .contact-email {
  font-size: 0.875rem;
  margin-top: 2rem;
}

.subpage-content .contact-email a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 2px solid var(--text);
  padding-bottom: 0.125rem;
  transition: border-color 0.15s;
}

.subpage-content .contact-email a:hover {
  border-color: var(--text-tertiary);
}

.subpage-content .contact-desc {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 0.5rem;
}

.subpage-content a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--text-tertiary);
  transition: border-color 0.15s;
}

.subpage-content a:hover {
  border-color: var(--text);
}

/* --- Responsive --- */

@media (max-width: 720px) {
  .topbar { padding: 0.75rem 1.25rem; }

  .consulting-hero { padding: 3rem 1.25rem 2.5rem; }
  .positioning { font-size: 1.375rem; }

  .band { grid-template-columns: 1fr; }
  .band-left {
    border-right: none;
    border-bottom: 1px solid var(--rule);
    padding: 2rem 1.25rem;
  }
  .band-right { padding: 2rem 1.25rem; }
  .band-title { font-size: 2.25rem; }

  .product-hero { padding: 3rem 1.25rem 1.5rem; }
  .product-hook { font-size: 1.625rem; }
  .product-band { grid-template-columns: 1fr; }
  .product-band-left {
    border-right: none;
    border-bottom: 2px solid #333;
    padding: 2rem 1.25rem;
  }
  .product-band-right { padding: 2rem 1.25rem; }
  .product-name { font-size: 2rem; }

  .subpage-hero { padding: 2.5rem 1.25rem 2rem; }
  .subpage-title { font-size: 1.625rem; }
  .subpage-content { padding: 2rem 1.25rem; }

  .footer {
    padding: 0.75rem 1.25rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
}