:root {
  --bg: #FAF7F2;
  --surface: #FFFFFF;
  --surface-muted: #F1EEE7;
  --text: #171717;
  --text-muted: #66615A;
  --text-soft: #8B867D;
  --border: #DDD6CB;
  --accent: #16735D;
  --accent-dark: #0E5A48;
  --accent-soft: #DDEBE5;
  --charcoal: #0F131A;

  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;

  --max-outer: 1120px;
  --max-reading: 720px;
  --pad-x: 24px;
}

@media (min-width: 640px) {
  :root { --pad-x: 40px; }
}

@media (min-width: 1024px) {
  :root { --pad-x: 56px; }
}

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

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
}

/* ---- Header ---- */

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  max-width: var(--max-outer);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-name {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.site-name:hover {
  color: var(--text);
  text-decoration: none;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-size: 0.8125rem;
  font-weight: 450;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.15s;
}

.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}

.nav-links a.active {
  color: var(--text);
  font-weight: 550;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  -webkit-tap-highlight-color: transparent;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--text);
  position: relative;
  transition: transform 0.2s;
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  left: 0;
}

.hamburger::before { top: -6px; }
.hamburger::after { top: 6px; }

/* ---- Main Content ---- */

.content {
  max-width: var(--max-reading);
  margin: 0 auto;
  padding: 3.5rem var(--pad-x) 4.5rem;
}

/* ---- Homepage ---- */

.page-home .content {
  max-width: var(--max-outer);
  padding-top: 0;
  padding-bottom: 0;
}

/* Hero */

.hp-hero {
  padding: 5.5rem 0 4.5rem;
  border-bottom: 1px solid var(--border);
}

.hp-hero-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 4rem;
  align-items: start;
}

.hp-eyebrow {
  font-size: 0.6875rem;
  font-weight: 550;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hp-h1 {
  font-size: 3.75rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.hp-intro {
  font-size: 1.375rem;
  line-height: 1.5;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  max-width: 540px;
}

.hp-cited {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--text-soft);
  margin-bottom: 2.25rem;
  max-width: 480px;
}

.hp-hero-actions {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

/* Hero panel */

.hp-hero-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.75rem 2rem;
  margin-top: 1rem;
}

.hp-panel-title {
  font-size: 0.6875rem;
  font-weight: 550;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
  margin-bottom: 1.25rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px solid var(--border);
}

.hp-panel-list {
  list-style: none;
}

.hp-panel-list li {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  line-height: 1.5;
}

.hp-panel-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.hp-panel-list strong {
  font-weight: 650;
  color: var(--text);
}

/* Section label */

.hp-section-label {
  font-size: 0.6875rem;
  font-weight: 550;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
  margin-bottom: 1.5rem;
}

/* Products */

.hp-products {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
}

.hp-products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
}

.hp-product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.75rem 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
}

.hp-card-label {
  font-size: 0.6875rem;
  font-weight: 550;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
  margin-bottom: 0.625rem;
}

.hp-product-card h2 {
  font-size: 1.125rem;
  font-weight: 650;
  letter-spacing: -0.015em;
  margin-bottom: 0.625rem;
}

.hp-product-card h2 a {
  color: var(--text);
}

.hp-product-card h2 a:hover {
  color: var(--accent);
  text-decoration: none;
}

.hp-card-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 0.875rem;
  flex: 1;
}

.hp-card-meta {
  font-size: 0.75rem;
  color: var(--text-soft);
  margin-bottom: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.hp-card-cta {
  font-size: 0.8125rem;
  font-weight: 550;
  color: var(--accent);
}

.hp-card-cta:hover {
  color: var(--accent-dark);
  text-decoration: none;
}

/* Method */

.hp-method {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
}

.hp-method-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2.5rem;
}

.hp-method-item {
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.hp-method-item h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
  letter-spacing: -0.005em;
}

.hp-method-item p {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
}

/* Secondary nav */

.hp-secondary {
  padding: 2rem 0 3rem;
  display: flex;
  gap: 1.75rem;
}

.hp-secondary a {
  font-size: 0.8125rem;
  color: var(--text-soft);
}

.hp-secondary a:hover {
  color: var(--accent);
  text-decoration: none;
}

/* Homepage mobile */

@media (max-width: 880px) {
  .hp-hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hp-hero-panel {
    max-width: 360px;
    margin-top: 0;
  }

  .hp-h1 {
    font-size: 3rem;
  }

  .hp-products-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .hp-hero {
    padding: 3rem 0 2.5rem;
  }

  .hp-h1 {
    font-size: 2.5rem;
  }

  .hp-intro {
    font-size: 1.1875rem;
  }

  .hp-hero-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .hp-hero-panel {
    max-width: none;
  }

  .hp-products {
    padding: 3rem 0;
  }

  .hp-products-grid {
    grid-template-columns: 1fr;
  }

  .hp-method {
    padding: 3rem 0;
  }

  .hp-method-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ---- CTA Buttons ---- */

.btn {
  display: inline-block;
  font-weight: 550;
  font-size: 0.9375rem;
  border-radius: 3px;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  letter-spacing: -0.005em;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--surface);
  padding: 0.575rem 1.35rem;
}

.btn-primary:hover {
  background: var(--accent-dark);
  color: var(--surface);
}

.btn-outline {
  border: 1.5px solid var(--accent);
  color: var(--accent);
  padding: 0.525rem 1.2rem;
}

.btn-outline:hover {
  background: var(--accent);
  color: var(--surface);
}

.cta {
  margin: 1.5rem 0;
}

/* ---- Article / Single Page ---- */

article h2 {
  font-size: 1.3125rem;
  font-weight: 650;
  margin-top: 3rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.015em;
  color: var(--text);
}

article h2:first-child {
  margin-top: 0;
}

article h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-top: 2.25rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
  color: var(--text);
}

article p {
  margin-bottom: 1.1rem;
}

article ul,
article ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

article ul li {
  margin-bottom: 0.5rem;
}

article ol li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}

article ol li:last-child {
  border-bottom: none;
}

article strong {
  font-weight: 600;
}

article blockquote {
  border-left: 2px solid var(--accent);
  padding: 0.75rem 1rem;
  background: var(--surface-muted);
  color: var(--text-muted);
  margin: 1.5rem 0;
  border-radius: 0 3px 3px 0;
}

article blockquote p:last-child {
  margin-bottom: 0;
}

/* ---- Institutional Access Page ---- */

.page-institutional .content {
  max-width: var(--max-outer);
  padding-top: 0;
  padding-bottom: 0;
}

.inst-narrow {
  max-width: var(--max-reading);
}

.inst-wide {
  max-width: 880px;
}

/* Hero: two-column */

.inst-hero {
  padding: 4rem 0 3.5rem;
  border-bottom: 1px solid var(--border);
}

.inst-hero-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 3.5rem;
  align-items: start;
}

.inst-eyebrow {
  font-size: 0.6875rem;
  font-weight: 550;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.inst-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.inst-intro {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.inst-written-note {
  font-size: 0.8125rem;
  color: var(--text-soft);
  font-style: italic;
}

/* Pricing Card */

.inst-pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0;
  overflow: hidden;
  position: relative;
}

.inst-pricing-accent {
  height: 3px;
  background: var(--accent);
}

.inst-pricing-label {
  font-size: 0.6875rem;
  font-weight: 550;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
  padding: 1.5rem 1.5rem 0;
  margin-bottom: 0.5rem;
}

.inst-pricing-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.03em;
  padding: 0 1.5rem;
  margin-bottom: 1.25rem;
}

.inst-pricing-price span {
  font-size: 0.9375rem;
  font-weight: 450;
  color: var(--text-muted);
  letter-spacing: 0;
}

.inst-pricing-list {
  list-style: none;
  padding: 0 1.5rem;
  margin-bottom: 1.5rem;
}

.inst-pricing-list li {
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding: 0.375rem 0;
  border-bottom: 1px solid var(--border);
  line-height: 1.5;
}

.inst-pricing-list li:last-child {
  border-bottom: none;
}

.inst-pricing-btn {
  display: block;
  text-align: center;
  margin: 0 1.5rem 1.5rem;
}

/* Sections */

.inst-section {
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--border);
}

.inst-section-title {
  font-size: 1.25rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 2rem;
}

/* Who it's for: 2x2 grid */

.inst-who-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.inst-who-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.375rem 1.5rem;
}

.inst-who-card h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.375rem;
  letter-spacing: -0.005em;
}

.inst-who-card p {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--text-muted);
  margin: 0;
}

/* What's included: 3x2 grid */

.inst-included-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
}

.inst-included-item {
  padding: 1.25rem 0;
  border-top: 1px solid var(--border);
}

.inst-included-item h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.375rem;
  letter-spacing: -0.005em;
}

.inst-included-item p {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--text-muted);
  margin: 0;
}

/* How it works: 3-step row */

.inst-steps {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
}

.inst-step {
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.inst-step-number {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--accent);
  width: 1.375rem;
  height: 1.375rem;
  line-height: 1.375rem;
  text-align: center;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  margin-bottom: 0.75rem;
}

.inst-step h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.375rem;
  letter-spacing: -0.005em;
}

.inst-step p {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--text-muted);
  margin: 0;
}

/* What this is not */

.inst-section-muted {
  background: var(--surface-muted);
  border-bottom: none;
  margin-left: calc(-1 * var(--pad-x));
  margin-right: calc(-1 * var(--pad-x));
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

.inst-not-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.5rem 1.75rem;
}

.inst-not-box ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-bottom: 1rem;
}

.inst-not-box li {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.inst-not-note {
  font-size: 0.8125rem;
  color: var(--text-soft);
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  line-height: 1.55;
}

/* Final CTA */

.inst-final-cta {
  padding: 4.5rem 0 5rem;
}

.inst-final-cta h2 {
  font-size: 1.25rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 1.25rem;
}

/* Institutional Mobile */

@media (max-width: 800px) {
  .inst-hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .inst-pricing-card {
    max-width: 360px;
  }
}

@media (max-width: 640px) {
  .inst-hero {
    padding: 2.5rem 0 2.5rem;
  }

  .inst-title {
    font-size: 1.75rem;
  }

  .inst-pricing-card {
    max-width: none;
  }

  .inst-section {
    padding: 3rem 0;
  }

  .inst-who-grid {
    grid-template-columns: 1fr;
  }

  .inst-included-grid {
    grid-template-columns: 1fr;
  }

  .inst-steps {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .inst-not-box ul {
    flex-direction: column;
    gap: 0.375rem;
  }

  .inst-final-cta {
    padding: 3rem 0 3.5rem;
  }
}

/* ---- Contact Page ---- */

.page-contact .content {
  max-width: var(--max-outer);
  padding-top: 0;
  padding-bottom: 0;
}

.ct-narrow {
  max-width: var(--max-reading);
}

.ct-wide {
  max-width: 820px;
}

/* Hero */

.ct-hero {
  padding: 4rem 0 2.5rem;
}

.ct-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 0.875rem;
}

.ct-intro {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-muted);
}

/* Policy callout */

.ct-policy {
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}

.ct-policy-box {
  background: var(--surface-muted);
  border-radius: 3px;
  padding: 1.125rem 1.5rem;
}

.ct-policy-box p {
  font-size: 0.8125rem;
  color: var(--text-soft);
  line-height: 1.6;
  margin: 0;
  font-style: italic;
}

/* Contact cards */

.ct-section {
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border);
}

.ct-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.ct-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.375rem 1.5rem;
  display: flex;
  flex-direction: column;
}

.ct-card h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.375rem;
  letter-spacing: -0.005em;
}

.ct-card p {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--text-muted);
  margin: 0 0 0.875rem;
  flex: 1;
}

.ct-card-link {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent);
}

.ct-card-link:hover {
  color: var(--accent-dark);
  text-decoration: none;
}

.ct-card-links {
  display: flex;
  gap: 1.25rem;
  margin-top: auto;
}

.ct-card-links a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent);
}

.ct-card-links a:hover {
  color: var(--accent-dark);
  text-decoration: none;
}

/* Online links */

.ct-online {
  padding: 3rem 0 4.5rem;
}

.ct-online-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
  letter-spacing: -0.005em;
}

.ct-online-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ct-online-links a {
  font-size: 0.8125rem;
  color: var(--text-muted);
  transition: color 0.15s;
}

.ct-online-links a:hover {
  color: var(--accent);
  text-decoration: none;
}

/* Contact Mobile */

@media (max-width: 640px) {
  .ct-hero {
    padding: 2.5rem 0 2rem;
  }

  .ct-title {
    font-size: 1.75rem;
  }

  .ct-policy {
    padding-bottom: 2.5rem;
  }

  .ct-section {
    padding: 2.5rem 0;
  }

  .ct-cards {
    grid-template-columns: 1fr;
  }

  .ct-online {
    padding: 2.5rem 0 3rem;
  }
}

/* ---- Dailyio Page ---- */

.page-dailyio .content {
  max-width: var(--max-outer);
  padding-top: 0;
  padding-bottom: 0;
}

.page-dailyio {
  line-height: 1.85;
}

.dio-narrow {
  max-width: 640px;
}

.dio-wide {
  max-width: 820px;
}

/* Hero */

.dio-hero {
  padding: 4.5rem 0 3.5rem;
  border-bottom: 1px solid var(--border);
}

.dio-title {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 1rem;
}

.dio-hero-intro {
  font-size: 1.125rem;
  font-weight: 450;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.dio-hero-body {
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* Sections */

.dio-section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
}

.dio-section-title {
  font-size: 1.1875rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 1.75rem;
}

/* Content positioning: 3-card grid */

.dio-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
}

.dio-content-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.375rem 1.5rem;
}

.dio-content-card h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
  letter-spacing: -0.005em;
  line-height: 1.4;
}

.dio-content-card p {
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--text-muted);
  margin: 0;
}

/* Reader value */

.dio-value-body {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-muted);
  margin: 0;
}

/* Comparison: two-column */

.dio-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.dio-compare-col {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.5rem 1.75rem;
}

.dio-compare-col:first-child {
  border-top: 3px solid var(--accent);
}

.dio-compare-col h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.75rem;
  letter-spacing: -0.005em;
}

.dio-compare-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.dio-compare-col li {
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding: 0.375rem 0;
  border-bottom: 1px solid var(--border);
  line-height: 1.65;
}

.dio-compare-col li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

/* Pricing: two cards */

.dio-pricing {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.dio-pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.5rem 1.75rem;
}

.dio-pricing-card-primary {
  border-top: 3px solid var(--accent);
}

.dio-pricing-card h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.375rem;
  letter-spacing: -0.005em;
}

.dio-pricing-detail {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.625rem;
  letter-spacing: -0.01em;
}

.dio-pricing-desc {
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--text-muted);
  margin: 0;
}

/* Final CTA */

.dio-final-cta {
  padding: 3.5rem 0 4.5rem;
}

/* Dailyio Mobile */

@media (max-width: 640px) {
  .dio-hero {
    padding: 2.5rem 0 2.5rem;
  }

  .dio-title {
    font-size: 1.875rem;
  }

  .dio-section {
    padding: 3rem 0;
  }

  .dio-content-grid {
    grid-template-columns: 1fr;
  }

  .dio-compare {
    grid-template-columns: 1fr;
  }

  .dio-pricing {
    grid-template-columns: 1fr;
  }

  .dio-final-cta {
    padding: 2.5rem 0 3rem;
  }
}

@media (min-width: 641px) and (max-width: 820px) {
  .dio-content-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---- Hello China Tech Page ---- */

.page-hellochinatech .content {
  max-width: var(--max-outer);
  padding-top: 0;
  padding-bottom: 0;
}

.hct-narrow {
  max-width: var(--max-reading);
}

.hct-wide {
  max-width: 880px;
}

/* Hero */

.hct-hero {
  padding: 4rem 0 3.5rem;
  border-bottom: 1px solid var(--border);
}

.hct-eyebrow {
  font-size: 0.6875rem;
  font-weight: 550;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.hct-title {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 1rem;
}

.hct-intro {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 2rem;
}

.hct-hero-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.hct-link-secondary {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
}

.hct-link-secondary:hover {
  color: var(--accent);
  text-decoration: none;
}

/* Credibility Strip */

.hct-credibility {
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 0;
}

.hct-credibility-items {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: baseline;
}

.hct-credibility-item {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.hct-credibility-number {
  font-size: 1.125rem;
  font-weight: 650;
  color: var(--text);
  letter-spacing: -0.02em;
}

.hct-credibility-label {
  font-size: 0.8125rem;
  color: var(--text-soft);
}

/* Sections */

.hct-section {
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--border);
}

.hct-section-title {
  font-size: 1.375rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 2rem;
}

/* What Makes This Different: blocks */

.hct-blocks {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.hct-block {
  padding-left: 1.25rem;
  border-left: 2px solid var(--border);
}

.hct-block h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
  letter-spacing: -0.005em;
}

.hct-block p {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin: 0;
}

/* Framework Grid */

.hct-framework-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.hct-framework-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.5rem 1.5rem 1.25rem;
}

.hct-framework-card h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.375rem;
  letter-spacing: -0.005em;
}

.hct-framework-card p {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--text-muted);
  margin: 0;
}

/* Audience Grid */

.hct-audience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
}

.hct-audience-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.5rem;
}

.hct-audience-card h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
  letter-spacing: -0.005em;
}

.hct-audience-card p {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--text-muted);
  margin: 0;
}

/* Final CTA */

.hct-final-cta {
  padding: 4.5rem 0 5rem;
}

.hct-final-cta h2 {
  font-size: 1.375rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.625rem;
}

.hct-final-cta p {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
  max-width: 520px;
}

/* HCT Mobile */

@media (max-width: 640px) {
  .hct-hero {
    padding: 2.5rem 0 2.5rem;
  }

  .hct-title {
    font-size: 2rem;
  }

  .hct-hero-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .hct-credibility-items {
    gap: 1.25rem;
  }

  .hct-section {
    padding: 3rem 0;
  }

  .hct-framework-grid {
    grid-template-columns: 1fr;
  }

  .hct-audience-grid {
    grid-template-columns: 1fr;
  }

  .hct-final-cta {
    padding: 3rem 0 3.5rem;
  }
}

@media (min-width: 641px) and (max-width: 880px) {
  .hct-audience-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---- Footer ---- */

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  background: var(--bg);
}

.footer-inner {
  max-width: var(--max-outer);
  margin: 0 auto;
  padding: 3.5rem var(--pad-x) 2.5rem;
}

.footer-main {
  display: flex;
  justify-content: space-between;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.footer-brand {
  max-width: 420px;
}

.footer-brand-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.25rem;
  letter-spacing: -0.01em;
}

.footer-brand-tagline {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.footer-brand-description {
  font-size: 0.8125rem;
  color: var(--text-soft);
  line-height: 1.6;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-nav a {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-nav a:hover {
  color: var(--accent);
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
}

.footer-bottom p {
  font-size: 0.75rem;
  color: var(--text-soft);
}

/* ---- Tablet ---- */

@media (min-width: 641px) and (max-width: 800px) {
  .nav-links {
    gap: 1.25rem;
  }
}

/* ---- Mobile ---- */

@media (max-width: 640px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    padding: 0.5rem 0;
  }

  .nav {
    height: auto;
    min-height: 60px;
    flex-wrap: wrap;
    padding-top: 1.125rem;
    padding-bottom: 1.125rem;
  }

  .content {
    padding-top: 2.5rem;
    padding-bottom: 3rem;
  }

  .footer-main {
    flex-direction: column;
    gap: 2rem;
  }

  .footer-inner {
    padding-top: 2.5rem;
    padding-bottom: 2rem;
  }
}