/* ============================================================
   ClearPath PM — Design Tokens
   Concept: clarity + direction for delivery professionals.
   Cool slate/navy foundation, one confident accent — "signal blue" —
   standing in for the compass bearing on the ClearPath mark.
   ============================================================ */

:root,
[data-theme='light'] {
  /* Surfaces — cool slate, not warm neutral */
  --color-bg: #f5f7fa;
  --color-surface: #ffffff;
  --color-surface-2: #fbfcfd;
  --color-surface-offset: #eef1f5;
  --color-surface-offset-2: #e4e8ee;
  --color-surface-dynamic: #dde2ea;
  --color-divider: #dfe4ea;
  --color-border: #cfd6e0;

  /* Text — deep navy-slate ink */
  --color-text: #16202e;
  --color-text-muted: #576375;
  --color-text-faint: #97a1af;
  --color-text-inverse: #f5f7fa;

  /* Primary accent — Signal Blue (clarity / direction) */
  --color-primary: #0a6cff;
  --color-primary-hover: #0857cf;
  --color-primary-active: #06439e;
  --color-primary-highlight: #dbe9ff;

  /* Secondary accent — Path Teal, used sparingly for highlights/tags */
  --color-teal: #0f9b8e;
  --color-teal-hover: #0c7d73;
  --color-teal-active: #0a6259;
  --color-teal-highlight: #d7f0ec;

  /* Warning */
  --color-warning: #a15c00;
  --color-warning-hover: #7d4700;
  --color-warning-active: #5c3400;
  --color-warning-highlight: #f2e2c8;

  /* Error */
  --color-error: #b3273f;
  --color-error-hover: #8f1e32;
  --color-error-active: #6d1626;
  --color-error-highlight: #f4d9de;

  /* Success */
  --color-success: #16824a;
  --color-success-hover: #106938;
  --color-success-active: #0b4f2a;
  --color-success-highlight: #d3ecdd;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows — tone-matched to cool slate surfaces */
  --shadow-sm: 0 1px 2px oklch(0.22 0.03 255 / 0.07);
  --shadow-md: 0 4px 14px oklch(0.22 0.03 255 / 0.1);
  --shadow-lg: 0 16px 40px oklch(0.22 0.03 255 / 0.14);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'General Sans', 'Segoe UI', sans-serif;
  --font-body: 'General Sans', 'Inter', 'Segoe UI', sans-serif;
}

[data-theme='dark'] {
  --color-bg: #0b1220;
  --color-surface: #101828;
  --color-surface-2: #131d2f;
  --color-surface-offset: #16202f;
  --color-surface-offset-2: #1b2739;
  --color-surface-dynamic: #223046;
  --color-divider: #223046;
  --color-border: #2b3a52;

  --color-text: #e6ebf2;
  --color-text-muted: #98a4b8;
  --color-text-faint: #647289;
  --color-text-inverse: #101828;

  --color-primary: #4c94ff;
  --color-primary-hover: #77adde;
  --color-primary-active: #99c1ff;
  --color-primary-highlight: #1c3151;

  --color-teal: #3fc2b3;
  --color-teal-hover: #6ad2c6;
  --color-teal-active: #93e0d6;
  --color-teal-highlight: #14332f;

  --color-warning: #dba54c;
  --color-warning-hover: #e6bd77;
  --color-warning-active: #f0d29c;
  --color-warning-highlight: #3a2e18;

  --color-error: #e2617a;
  --color-error-hover: #e987a0;
  --color-error-active: #f0aebd;
  --color-error-highlight: #3a1c24;

  --color-success: #4fbf82;
  --color-success-hover: #7ad3a4;
  --color-success-active: #a2e2c0;
  --color-success-highlight: #16301f;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --shadow-md: 0 4px 14px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0b1220;
    --color-surface: #101828;
    --color-surface-2: #131d2f;
    --color-surface-offset: #16202f;
    --color-surface-offset-2: #1b2739;
    --color-surface-dynamic: #223046;
    --color-divider: #223046;
    --color-border: #2b3a52;
    --color-text: #e6ebf2;
    --color-text-muted: #98a4b8;
    --color-text-faint: #647289;
    --color-text-inverse: #101828;
    --color-primary: #4c94ff;
    --color-primary-hover: #77adde;
    --color-primary-active: #99c1ff;
    --color-primary-highlight: #1c3151;
    --color-teal: #3fc2b3;
    --color-teal-hover: #6ad2c6;
    --color-teal-active: #93e0d6;
    --color-teal-highlight: #14332f;
    --color-warning: #dba54c;
    --color-error: #e2617a;
    --color-success: #4fbf82;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
    --shadow-md: 0 4px 14px oklch(0 0 0 / 0.4);
    --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.5);
  }
}

/* ============================================================
   Type scale (fluid, clamp-based)
   ============================================================ */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* 4px spacing system */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
}

/* ============================================================
   Layout primitives
   ============================================================ */
.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.container--wide {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.container--narrow {
  max-width: var(--content-narrow);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

section {
  padding-block: clamp(var(--space-12), 7vw, var(--space-24));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

/* ============================================================
   Header / Nav
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
  transition:
    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.site-header--hidden {
  transform: translateY(-100%);
}
.site-header--scrolled {
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.brand svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.brand-name-accent {
  color: var(--color-primary);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-2) 0;
  position: relative;
}
.nav-links a:hover,
.nav-links a[aria-current='page'] {
  color: var(--color-text);
}
.nav-links a[aria-current='page']::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  white-space: nowrap;
  min-height: 44px;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}
.btn-sm {
  padding: var(--space-2) var(--space-4);
  min-height: 36px;
  font-size: var(--text-xs);
}
.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  background: var(--color-surface-offset);
  border-color: var(--color-text-faint);
}
.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  padding: var(--space-2) var(--space-1);
}
.btn-ghost:hover {
  color: var(--color-primary-hover);
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32)) clamp(var(--space-12), 6vw, var(--space-20));
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-16);
  align-items: center;
}
.hero-eyebrow {
  margin-bottom: var(--space-5);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}
.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}
.hero-lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-bottom: var(--space-8);
}
.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}
.hero-meta {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.hero-meta-number {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
}
.hero-meta-label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero-visual {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius-xl);
  background: linear-gradient(155deg, var(--color-surface-offset), var(--color-surface));
  border: 1px solid var(--color-divider);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual svg {
  width: 78%;
  height: 78%;
  max-width: 340px;
  max-height: 340px;
  object-fit: contain;
  color: var(--color-primary);
}

/* ============================================================
   Feature / value section
   ============================================================ */
.section-head {
  max-width: 680px;
  margin-bottom: var(--space-12);
}
.section-head h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-top: var(--space-3);
}
.section-head p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-top: var(--space-3);
}

.value-layout {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-1);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-divider);
}
.value-card {
  background: var(--color-surface);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.value-card--feature {
  grid-column: span 2;
  grid-row: span 2;
  background: var(--color-text);
  color: var(--color-text-inverse);
}
[data-theme='dark'] .value-card--feature {
  background: var(--color-surface-offset-2);
}
.value-card--feature .value-index,
.value-card--feature h3,
.value-card--feature p {
  color: var(--color-text-inverse);
}
[data-theme='dark'] .value-card--feature .value-index,
[data-theme='dark'] .value-card--feature h3,
[data-theme='dark'] .value-card--feature p {
  color: var(--color-text);
}
.value-index {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
}
.value-card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.005em;
}
.value-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 42ch;
}
.value-card--feature p {
  opacity: 0.82;
}

/* ============================================================
   Article preview grid
   ============================================================ */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.article-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
}
.article-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}
.article-tag {
  display: inline-flex;
  align-self: flex-start;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-teal);
}
.article-card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.005em;
  line-height: 1.3;
}
.article-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.article-read {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
}
.article-read svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-interactive);
}
.article-card:hover .article-read svg {
  transform: translateX(3px);
}

/* ============================================================
   CTA band
   ============================================================ */
.cta-band {
  background: var(--color-text);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-10), 6vw, var(--space-16));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  flex-wrap: wrap;
}
[data-theme='dark'] .cta-band {
  background: var(--color-surface-offset-2);
  border: 1px solid var(--color-divider);
}
.cta-band h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-inverse);
  max-width: 32ch;
}
[data-theme='dark'] .cta-band h2 {
  color: var(--color-text);
}
.cta-band p {
  color: oklch(from var(--color-text-inverse) l c h / 0.72);
  margin-top: var(--space-3);
  max-width: 46ch;
}
[data-theme='dark'] .cta-band p {
  color: var(--color-text-muted);
}

/* ============================================================
   Ad slot placeholders — clearly marked, ready for AdSense
   ============================================================ */
.ad-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  background: var(--color-surface-offset);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  padding: var(--space-4);
  text-align: center;
}
.ad-slot--leaderboard {
  min-height: 90px;
  max-width: 728px;
  margin-inline: auto;
}
.ad-slot--sidebar {
  min-height: 250px;
  width: 100%;
}
.ad-slot--in-content {
  min-height: 100px;
  margin-block: var(--space-8);
}

/* ============================================================
   Page header (interior pages)
   ============================================================ */
.page-header {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24)) clamp(var(--space-10), 5vw, var(--space-14));
  border-bottom: 1px solid var(--color-divider);
}
.page-header h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-top: var(--space-4);
  max-width: 20ch;
}
.page-header p {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-top: var(--space-4);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.breadcrumb a {
  color: var(--color-text-faint);
  text-decoration: none;
}
.breadcrumb a:hover {
  color: var(--color-primary);
}

/* ============================================================
   Article layout
   ============================================================ */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--space-16);
  align-items: start;
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
}
.article-body {
  max-width: 68ch;
}
.article-body > * + * {
  margin-top: var(--space-5);
}
.article-body h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-top: var(--space-12);
  margin-bottom: var(--space-2);
  scroll-margin-top: var(--space-20);
}
.article-body h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-top: var(--space-8);
  margin-bottom: var(--space-1);
}
.article-body p,
.article-body li {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.7;
}
.article-body ul,
.article-body ol {
  padding-left: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.article-body ul {
  list-style: disc;
}
.article-body ol {
  list-style: decimal;
}
.article-body strong {
  font-weight: 700;
  color: var(--color-text);
}
.article-intro {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}
.callout {
  background: var(--color-primary-highlight);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  border-left: none;
  position: relative;
}
.callout::before {
  content: '';
  position: absolute;
  left: 0;
  top: var(--space-3);
  bottom: var(--space-3);
  width: 3px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}
.callout p {
  color: var(--color-text);
  font-size: var(--text-sm);
  padding-left: var(--space-3);
}
.callout strong {
  color: var(--color-primary-active);
}
[data-theme='dark'] .callout strong {
  color: var(--color-primary-hover);
}

.checklist-box {
  background: var(--color-surface-offset);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.checklist-box h3 {
  margin-top: 0 !important;
}
.checklist-box ul {
  list-style: none;
  padding-left: 0;
}
.checklist-box li {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  font-size: var(--text-sm);
}
.checklist-box li svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  color: var(--color-teal);
}

.data-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
}
table.data-table {
  font-size: var(--text-sm);
}
table.data-table th,
table.data-table td {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}
table.data-table th {
  background: var(--color-surface-offset);
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
}
table.data-table tr:last-child td {
  border-bottom: none;
}

/* Sidebar (article pages) */
.article-sidebar {
  position: sticky;
  top: calc(var(--space-16) + var(--space-8));
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}
.toc {
  background: var(--color-surface-offset);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.toc-title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}
.toc ol {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.toc a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  display: block;
}
.toc a:hover {
  color: var(--color-primary);
}

.related-box {
  background: var(--color-surface-offset);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.related-box h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}
.related-box ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.related-box a {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  line-height: 1.4;
}
.related-box a:hover {
  color: var(--color-primary);
}

.article-meta-row {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-4);
}
.article-meta-row span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

/* ============================================================
   Templates page
   ============================================================ */
.template-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}
.template-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  gap: var(--space-5);
}
.template-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  color: var(--color-primary);
}
.template-card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.template-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.template-buy-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-4);
}
.template-price {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
}
.template-status {
  display: inline-flex;
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-teal);
}

.notify-box {
  background: var(--color-surface-offset);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-10), 6vw, var(--space-14));
  text-align: left;
}
.notify-box h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
}
.notify-box p {
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-top: var(--space-3);
}
.notify-form {
  margin-top: var(--space-6);
  display: flex;
  gap: var(--space-3);
  max-width: 480px;
  flex-wrap: wrap;
}
.notify-form input {
  flex: 1;
  min-width: 200px;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: var(--text-sm);
}
.notify-form input:focus-visible {
  border-color: var(--color-primary);
}
.notify-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
}

/* ============================================================
   About page
   ============================================================ */
.mission-statement {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.35;
  max-width: 46ch;
}
.mission-statement em {
  font-style: normal;
  color: var(--color-primary);
}
.principle-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}
.principle-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-divider);
}
.principle-item .value-index {
  font-size: var(--text-xs);
}
.principle-item h3 {
  font-size: var(--text-lg);
  font-weight: 700;
}
.principle-item p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-16) var(--space-10);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-10);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  margin-bottom: var(--space-4);
}
.footer-brand svg {
  width: 26px;
  height: 26px;
  color: var(--color-primary);
}
.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 36ch;
}
.footer-col h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}
.footer-col a:hover {
  color: var(--color-primary);
}
.footer-bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ============================================================
   Skip link
   ============================================================ */
.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-4);
  z-index: 100;
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}
.skip-link:focus {
  left: var(--space-4);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    order: -1;
    aspect-ratio: 16/9;
  }
  .value-layout {
    grid-template-columns: 1fr 1fr;
  }
  .value-card--feature {
    grid-column: span 2;
    grid-row: span 1;
  }
  .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
    order: -1;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
  .template-grid {
    grid-template-columns: 1fr;
  }
  .principle-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .value-layout {
    grid-template-columns: 1fr;
  }
  .value-card--feature {
    grid-column: span 1;
  }
  .article-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .cta-band {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-meta {
    gap: var(--space-6);
  }
}

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  top: 65px;
  height: calc(100vh - 65px);
  height: calc(100dvh - 65px);
  z-index: 49;
  background: var(--color-bg);
  padding: var(--space-6) var(--space-5);
  overflow-y: auto;
}
.mobile-nav.is-open {
  display: block;
}
.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.mobile-nav a {
  display: block;
  padding: var(--space-4) var(--space-2);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-divider);
}