/* ==========================================================================
   EcomCaptain — Stylesheet
   Sections: Tokens, Reset, Base, Layout, Header, Footer, Buttons, Forms,
   Cards, Hero, Sections, Accordion, Breadcrumb, Pagination, Badges,
   Calculator, Blog, Utilities, Responsive
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --color-bg: #FFFFFF;
  --color-card: #FFFFFF;
  --color-border: #E5E7EB;
  --color-primary: #2563EB;
  --color-primary-dark: #1D4ED8;
  --color-primary-tint: #EFF4FF;
  --color-heading: #111827;
  --color-text: #374151;
  --color-muted: #6B7280;
  --color-success: #15803D;
  --color-success-tint: #F0FDF4;

  --font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  --max-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --header-height: 64px;

  --shadow-sm: 0 1px 2px rgba(17, 24, 39, 0.04);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote, dl, dd {
  margin: 0;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-ui);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: inherit; }
table { border-collapse: collapse; width: 100%; }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ---------- Base typography ---------- */
h1, h2, h3, h4, h5 {
  color: var(--color-heading);
  font-weight: 700;
  line-height: 1.25;
}
h1 { font-size: 2.25rem; letter-spacing: -0.02em; }
h2 { font-size: 1.625rem; letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.0625rem; }
p { color: var(--color-text); }
.text-muted { color: var(--color-muted); }
code, .mono { font-family: var(--font-mono); }

/* ---------- Layout ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
main { display: block; }
.section { padding: 56px 0; }
.section--tight { padding: 40px 0; }
.section-border-top { border-top: 1px solid var(--color-border); }
.bg-subtle { background: #FAFAFA; }

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.section-heading__text h2 { margin-bottom: 6px; }
.section-heading__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.section-heading__link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-primary);
  white-space: nowrap;
}
.section-heading__link:hover { text-decoration: underline; }

.grid {
  display: grid;
  gap: 20px;
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}
.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--color-heading);
  flex-shrink: 0;
}
.logo__mark {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
}
.logo__sub {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-muted);
  font-weight: 500;
  margin-left: 2px;
  display: none;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  padding: 8px 14px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
}
.main-nav a:hover { background: var(--color-primary-tint); color: var(--color-primary-dark); }
.main-nav a.is-active { color: var(--color-primary); font-weight: 600; }

.header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.icon-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: var(--radius-sm);
  color: var(--color-text);
}
.icon-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }

.nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: var(--radius-sm);
}

/* Header search dropdown */
.header-search {
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: 16px 0;
  display: none;
}
.header-search.is-open { display: block; }
.header-search__results {
  margin-top: 12px;
  max-height: 320px;
  overflow-y: auto;
}
.header-search__result {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
}
.header-search__result:hover { background: var(--color-primary-tint); }
.header-search__result .name { font-weight: 600; color: var(--color-heading); font-size: 0.9375rem; }
.header-search__result .cat { font-size: 0.8125rem; color: var(--color-muted); }
.header-search__empty { color: var(--color-muted); font-size: 0.9375rem; padding: 8px 12px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-secondary { background: #fff; color: var(--color-heading); border-color: var(--color-border); }
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-block { width: 100%; }
.btn-sm { padding: 7px 14px; font-size: 0.875rem; }

/* ---------- Forms ---------- */
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 6px;
}
.field .field-unit { color: var(--color-muted); font-weight: 400; }
.input, select.input, textarea.input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  color: var(--color-heading);
  background: #fff;
}
.input:focus, select.input:focus, textarea.input:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px var(--color-primary-tint);
}
textarea.input { resize: vertical; min-height: 120px; }

.search-box {
  position: relative;
  flex: 1;
}
.search-box input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
}
.search-box input:focus { border-color: var(--color-primary); outline: none; }
.search-box svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted);
}

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 56px;
  border-bottom: 1px solid var(--color-border);
}
.hero__inner { max-width: 680px; }
.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
  display: inline-block;
}
.hero h1 { margin-bottom: 16px; }
.hero p.lead {
  font-size: 1.0625rem;
  color: var(--color-muted);
  margin-bottom: 28px;
  max-width: 560px;
}
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
}
.hero__stat .num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-heading);
  display: block;
}
.hero__stat .label { font-size: 0.8125rem; color: var(--color-muted); }

/* ---------- Cards ---------- */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: border-color 0.15s ease;
}
.card:hover { border-color: #C7D2E8; }

.tool-card { display: flex; flex-direction: column; height: 100%; }
.tool-card__cat {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin-bottom: 10px;
}
.tool-card h3 { margin-bottom: 8px; font-size: 1.0625rem; }
.tool-card p { font-size: 0.875rem; color: var(--color-muted); flex: 1; margin-bottom: 16px; }
.tool-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}
.tool-card__open {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.category-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  border-left: 3px solid var(--color-primary);
}
.category-card__icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-tint);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.category-card h3 { font-size: 1rem; margin-bottom: 4px; }
.category-card p { font-size: 0.8438rem; color: var(--color-muted); margin-bottom: 6px; }
.category-card__count { font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-muted); }
.category-card.is-soon { border-left-color: var(--color-border); opacity: 0.75; }

.blog-card { display: flex; flex-direction: column; height: 100%; }
.blog-card__image {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #F3F4F6 0%, #E5E7EB 100%);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
}
.blog-card__cat {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.blog-card h3 { font-size: 1.0625rem; margin-bottom: 8px; }
.blog-card p.excerpt { font-size: 0.875rem; color: var(--color-muted); flex: 1; margin-bottom: 14px; }
.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--color-muted);
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.blog-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-bottom: 32px;
}
.blog-featured__image {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #EFF4FF 0%, #E5E7EB 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}
.blog-featured__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  background: var(--color-primary-tint);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}
.blog-featured h2 { margin-bottom: 12px; }
.blog-featured p { color: var(--color-muted); margin-bottom: 18px; }

/* ---------- Icon placeholder blocks ---------- */
.placeholder-block {
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: #FAFAFA;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: 0.875rem;
  gap: 8px;
}

/* ---------- Accordion ---------- */
.accordion { border-top: 1px solid var(--color-border); }
.accordion-item { border-bottom: 1px solid var(--color-border); }
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 4px;
  background: none;
  border: none;
  text-align: left;
  font-size: 0.9688rem;
  font-weight: 600;
  color: var(--color-heading);
}
.accordion-trigger svg { flex-shrink: 0; color: var(--color-muted); transition: transform 0.15s ease; }
.accordion-item.is-open .accordion-trigger svg { transform: rotate(180deg); }
.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease;
}
.accordion-item.is-open .accordion-panel { max-height: 400px; }
.accordion-panel__inner { padding: 0 4px 18px; color: var(--color-muted); font-size: 0.9375rem; }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.8438rem;
  color: var(--color-muted);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { color: #D1D5DB; }
.breadcrumb .current { color: var(--color-heading); font-weight: 500; }

/* ---------- Pagination ---------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 36px;
}
.pagination button {
  min-width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--color-text);
  padding: 0 10px;
}
.pagination button:hover:not(:disabled) { border-color: var(--color-primary); color: var(--color-primary); }
.pagination button.is-active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---------- Badges / tags ---------- */
.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: #fff;
}
.tag.is-active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-row button.tag { cursor: pointer; }

/* ---------- Calculator widget ---------- */
.calc-widget {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  background: #FAFAFA;
}
.calc-widget__form { display: grid; gap: 4px; margin-bottom: 8px; }
.calc-widget__result {
  margin-top: 20px;
  padding: 18px;
  background: var(--color-success-tint);
  border: 1px solid #BBF7D0;
  border-radius: var(--radius-sm);
}
.calc-widget__result-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 4px 0;
}
.calc-widget__result-row .label { font-size: 0.875rem; color: var(--color-text); }
.calc-widget__result-row .value {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-success);
}
.calc-widget__result-row.secondary .value { font-size: 1rem; color: var(--color-heading); }

.formula-box {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  background: #FAFAFA;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  color: var(--color-heading);
  overflow-x: auto;
}

.steps-list, .howworks-list { counter-reset: step; }
.steps-list li, .howworks-list li {
  position: relative;
  padding-left: 36px;
  margin-bottom: 14px;
  counter-increment: step;
}
.steps-list li::before, .howworks-list li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-tint);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.example-box {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 18px;
  background: #fff;
}
.example-box .example-line {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--color-heading);
  padding: 4px 0;
}

/* ---------- Table of Contents ---------- */
.toc {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin-bottom: 32px;
  background: #FAFAFA;
}
.toc h4 { margin-bottom: 10px; font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-muted); }
.toc ol { counter-reset: toc; }
.toc li { counter-increment: toc; margin-bottom: 8px; font-size: 0.9375rem; }
.toc li a { color: var(--color-primary); }
.toc li a:hover { text-decoration: underline; }
.toc li::before { content: counter(toc) ". "; color: var(--color-muted); font-family: var(--font-mono); font-size: 0.8125rem; }

/* ---------- Share buttons ---------- */
.share-row { display: flex; align-items: center; gap: 10px; }
.share-row .label { font-size: 0.875rem; color: var(--color-muted); font-weight: 600; }
.share-btn {
  width: 34px;
  height: 34px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}
.share-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* ---------- Article body ---------- */
.article-body h2 { margin: 32px 0 12px; font-size: 1.375rem; }
.article-body h2:first-child { margin-top: 0; }
.article-body p { margin-bottom: 16px; font-size: 1rem; }

.post-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--color-muted);
  font-size: 0.875rem;
  margin: 14px 0 28px;
  flex-wrap: wrap;
}
.post-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--color-muted); }
.author-badge { display: flex; align-items: center; gap: 8px; }
.author-badge__avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--color-primary-tint); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700; font-family: var(--font-mono);
}

/* ---------- Newsletter ---------- */
.newsletter {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: #FAFAFA;
}
.newsletter__text h2 { margin-bottom: 6px; font-size: 1.375rem; }
.newsletter__text p { color: var(--color-muted); font-size: 0.9375rem; }
.newsletter__form { display: flex; gap: 10px; flex-shrink: 0; }
.newsletter__form input {
  width: 260px;
  padding: 11px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}
.newsletter__note { font-size: 0.75rem; color: var(--color-muted); margin-top: 8px; }
.newsletter__success { color: var(--color-success); font-size: 0.875rem; font-weight: 600; display: none; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 48px 0 24px;
  margin-top: 40px;
  background: #FAFAFA;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
}
.footer-col h5 {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-heading);
  margin-bottom: 14px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.9063rem; color: var(--color-muted); }
.footer-col ul li a:hover { color: var(--color-primary); }
.footer-about p { font-size: 0.875rem; color: var(--color-muted); margin: 12px 0 0; max-width: 280px; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  font-size: 0.8438rem;
  color: var(--color-muted);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom .legal-links { display: flex; gap: 18px; }
.footer-bottom .legal-links a:hover { color: var(--color-primary); }

/* ---------- Static / misc ---------- */
.page-header {
  padding: 40px 0 32px;
  border-bottom: 1px solid var(--color-border);
}
.page-header p.lead { color: var(--color-muted); max-width: 640px; margin-top: 10px; }

.filters-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 28px;
  flex-wrap: wrap;
  align-items: center;
}

.related-tools-list { display: flex; flex-wrap: wrap; gap: 10px; }
.related-tools-list a {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}
.related-tools-list a:hover { border-color: var(--color-primary); color: var(--color-primary); }

.note-box {
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-muted);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 0.875rem;
  color: var(--color-muted);
  background: #FAFAFA;
  margin: 20px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.contact-info-item { display: flex; gap: 14px; margin-bottom: 24px; }
.contact-info-item__icon {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--color-primary-tint); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-info-item h4 { margin-bottom: 4px; font-size: 0.9375rem; }
.contact-info-item p { font-size: 0.875rem; color: var(--color-muted); }

.legal-content h2 { margin: 28px 0 12px; font-size: 1.1875rem; }
.legal-content h2:first-child { margin-top: 0; }
.legal-content p, .legal-content li { margin-bottom: 12px; font-size: 0.9375rem; color: var(--color-text); }
.legal-content ul { list-style: disc; padding-left: 22px; }
.legal-content ul li { list-style: disc; }

.error-page {
  text-align: center;
  padding: 100px 0;
}
.error-page .code {
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-primary);
}
.error-page p { color: var(--color-muted); margin: 12px 0 24px; }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-muted);
}

/* ---------- Utilities ---------- */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 16px;
  z-index: 200;
  border-radius: var(--radius-sm);
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .blog-featured { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .newsletter { flex-direction: column; align-items: flex-start; }
  .newsletter__form { width: 100%; }
  .newsletter__form input { width: 100%; flex: 1; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .logo__sub { display: none; }
  h1 { font-size: 1.75rem; }
  .hero { padding: 40px 0 36px; }
  .hero__stats { gap: 20px; flex-wrap: wrap; }
  .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .section { padding: 40px 0; }

  .main-nav.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    padding: 8px 24px 16px;
    gap: 0;
    box-shadow: var(--shadow-sm);
  }
  .main-nav.is-open a { padding: 12px 4px; border-bottom: 1px solid var(--color-border); border-radius: 0; }
  .main-nav.is-open a:last-child { border-bottom: none; }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .container { padding: 0 18px; }
  .newsletter { padding: 24px; }
}