:root {
  --canvas: #000000;
  --surface-card: #1a1a1a;
  --surface-elevated: #262626;
  --hairline: #3c3c3c;
  --on-dark: #ffffff;
  --body: #bbbbbb;
  --body-strong: #e6e6e6;
  --muted: #7e7e7e;
  --m-blue-light: #0066b1;
  --m-blue-dark: #1c69d4;
  --m-red: #e22718;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --section-pad: 96px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--canvas);
  color: var(--body);
  font-family: var(--font-main);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.5;
  margin: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--on-dark);
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: 0.5em;
}

p { margin-bottom: 1em; line-height: 1.6; }

a { color: var(--on-dark); text-decoration: none; }
a:hover { color: var(--body-strong); }

img { max-width: 100%; height: auto; display: block; }

.m-stripe {
  height: 4px;
  background: linear-gradient(to right, var(--m-blue-light) 33.3%, var(--m-blue-dark) 33.3% 66.6%, var(--m-red) 66.6%);
  flex-shrink: 0;
}

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

.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--on-dark);
  letter-spacing: 1.5px;
  line-height: 1.1;
}

.logo-tagline {
  font-size: 10px;
  font-weight: 300;
  color: var(--muted);
  letter-spacing: 0.5px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--hairline);
  padding: 6px 10px;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
  margin-left: auto;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--on-dark);
}

.main-nav { margin-left: auto; }

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0;
  align-items: center;
}

.nav-link {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--body);
  letter-spacing: 0.5px;
  padding: 8px 14px;
  text-transform: uppercase;
  transition: color 0.15s;
}

.nav-link:hover { color: var(--on-dark); }

.site-main { min-height: 60vh; }

.page-hero {
  background: var(--canvas);
  padding: 64px 24px;
  max-width: 1440px;
  margin: 0 auto;
}

.page-hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  color: var(--on-dark);
  text-transform: uppercase;
  line-height: 1.05;
  margin-bottom: 16px;
}

.page-hero .hero-lead {
  font-size: 16px;
  font-weight: 300;
  color: var(--body-strong);
  max-width: 680px;
  line-height: 1.6;
}

.content-layout {
  max-width: 1440px;
  margin: 0 auto;
  padding: 40px 24px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

.content-main { min-width: 0; }

.digest-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--hairline);
}

.digest-card {
  background: var(--surface-card);
  display: flex;
  flex-direction: column;
}

.digest-card-img-wrap {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--surface-elevated);
}

.digest-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.digest-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.digest-card-category {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--m-blue-dark);
  text-transform: uppercase;
  display: block;
  margin-bottom: 8px;
}

.digest-card-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--on-dark);
  text-transform: uppercase;
  line-height: 1.2;
  margin-bottom: 12px;
}

.digest-card-title a {
  color: inherit;
}

.digest-card-title a:hover { color: var(--body-strong); }

.digest-card-lead {
  font-size: 14px;
  font-weight: 300;
  color: var(--body);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
}

.digest-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--hairline);
  padding-top: 12px;
}

.digest-card-date {
  font-size: 12px;
  font-weight: 300;
  color: var(--muted);
  letter-spacing: 0.5px;
}

.digest-read-more {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--on-dark);
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--hairline);
  padding: 6px 14px;
  flex-shrink: 0;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
}

.digest-read-more:hover {
  border-color: var(--on-dark);
  color: var(--on-dark);
}

.sidebar-latest {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  padding: 24px;
  position: sticky;
  top: 80px;
}

.sidebar-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--on-dark);
  text-transform: uppercase;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hairline);
}

.sidebar-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-item {
  border-bottom: 1px solid var(--hairline);
  padding: 12px 0;
}

.sidebar-item:last-child { border-bottom: none; }

.sidebar-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
}

.sidebar-category {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--m-blue-dark);
  text-transform: uppercase;
}

.sidebar-item-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--on-dark);
  text-transform: uppercase;
  line-height: 1.3;
}

.sidebar-link:hover .sidebar-item-title { color: var(--body-strong); }

.sidebar-date {
  font-size: 11px;
  font-weight: 300;
  color: var(--muted);
}

.breadcrumb-wrap {
  padding: 12px 0;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--hairline);
}

.breadcrumb-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}

.breadcrumb-item {
  font-size: 12px;
  font-weight: 300;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.breadcrumb-item a { color: var(--muted); text-decoration: underline; }
.breadcrumb-item a:hover { color: var(--body); }
.breadcrumb-item.current { color: var(--body); }
.breadcrumb-sep { margin: 0 4px; }

.article-header {
  padding: 40px 0 32px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 32px;
}

.article-category {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--m-blue-dark);
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}

.article-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: var(--on-dark);
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: 16px;
}

.article-lead {
  font-size: 18px;
  font-weight: 300;
  color: var(--body-strong);
  line-height: 1.6;
  margin-bottom: 16px;
}

.article-meta {
  font-size: 12px;
  font-weight: 300;
  color: var(--muted);
  letter-spacing: 0.5px;
}

.article-content h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--on-dark);
  text-transform: uppercase;
  margin-top: 40px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--hairline);
}

.article-content h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--body-strong);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 24px;
  margin-bottom: 12px;
}

.article-content p {
  font-size: 16px;
  font-weight: 300;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 16px;
}

.article-content ul, .article-content ol {
  font-size: 16px;
  font-weight: 300;
  color: var(--body);
  line-height: 1.7;
  padding-left: 20px;
  margin-bottom: 16px;
}

.article-content li { margin-bottom: 6px; }

.article-content strong { color: var(--body-strong); font-weight: 700; }

.article-img {
  width: 100%;
  border: 1px solid var(--hairline);
  margin: 24px 0;
}

.article-img-caption {
  font-size: 12px;
  font-weight: 300;
  color: var(--muted);
  letter-spacing: 0.5px;
  margin-top: -16px;
  margin-bottom: 24px;
}

.disclaimer-block {
  background: var(--surface-card);
  border-left: 4px solid var(--m-blue-light);
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 14px;
  font-weight: 300;
  color: var(--muted);
  line-height: 1.5;
}

.disclaimer-block p { margin: 0; color: inherit; font-size: inherit; }

.expand-section {
  border: 1px solid var(--hairline);
  margin-bottom: -1px;
}

.expand-section summary {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--on-dark);
  text-transform: uppercase;
  padding: 14px 20px;
  cursor: pointer;
  background: var(--surface-card);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.expand-section summary::-webkit-details-marker { display: none; }

.expand-section summary::after {
  content: '+';
  font-size: 18px;
  font-weight: 300;
}

.expand-section[open] summary {
  background: var(--surface-elevated);
  border-bottom: 1px solid var(--hairline);
}

.expand-section[open] summary::after { content: '−'; }

.expand-body {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 300;
  color: var(--body);
  line-height: 1.7;
  background: var(--canvas);
}

.expand-body p { color: inherit; font-size: inherit; font-weight: inherit; }

.related-section {
  margin-top: 48px;
  padding-top: 16px;
}

.related-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--on-dark);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1px;
  background: var(--hairline);
}

.related-card {
  background: var(--surface-card);
  padding: 20px;
}

.related-card-category {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--m-blue-dark);
  text-transform: uppercase;
  display: block;
  margin-bottom: 8px;
}

.related-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--on-dark);
  text-transform: uppercase;
  line-height: 1.3;
  margin-bottom: 10px;
}

.related-card-title a { color: inherit; }
.related-card-title a:hover { color: var(--body-strong); }

.related-card-lead {
  font-size: 13px;
  font-weight: 300;
  color: var(--body);
  line-height: 1.6;
  margin-bottom: 12px;
}

.page-section {
  margin-bottom: 40px;
}

.page-section h2 {
  font-size: 22px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--on-dark);
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 10px;
  margin-bottom: 16px;
}

.page-section p {
  font-size: 16px;
  font-weight: 300;
  color: var(--body);
  line-height: 1.7;
}

.page-section ul {
  font-size: 16px;
  font-weight: 300;
  color: var(--body);
  line-height: 1.7;
  padding-left: 20px;
}

.contact-form {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  padding: 32px;
  max-width: 560px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--body-strong);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  color: var(--on-dark);
  font-family: var(--font-main);
  font-size: 16px;
  font-weight: 300;
  padding: 12px 16px;
  border-radius: 0;
  height: 48px;
  transition: border-color 0.15s;
}

.form-group textarea {
  height: 120px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--on-dark);
}

.btn-submit {
  background: var(--on-dark);
  color: var(--canvas);
  border: none;
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 0 32px;
  height: 48px;
  cursor: pointer;
  border-radius: 0;
  min-width: 180px;
}

.btn-submit:hover { background: var(--body-strong); }
.btn-submit:disabled { background: var(--muted); cursor: not-allowed; }

.form-error {
  font-size: 12px;
  color: var(--m-red);
  margin-top: 4px;
  display: none;
}

.form-feedback {
  padding: 12px 16px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 300;
  border: 1px solid var(--hairline);
  display: none;
}

.form-feedback.success {
  border-color: #0fa336;
  color: #0fa336;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface-card);
  border-top: 1px solid var(--hairline);
  padding: 20px 24px;
  display: none;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  z-index: 9999;
}

.cookie-banner p {
  font-size: 14px;
  font-weight: 300;
  color: var(--body);
  margin: 0;
  flex: 1;
  min-width: 200px;
}

.cookie-banner a { color: var(--on-dark); text-decoration: underline; }

.cookie-btn-group { display: flex; gap: 12px; }

.cookie-btn {
  font-family: var(--font-main);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 0 20px;
  height: 44px;
  cursor: pointer;
  border-radius: 0;
}

.cookie-btn-accept {
  background: var(--on-dark);
  color: var(--canvas);
  border: 1px solid var(--on-dark);
}

.cookie-btn-reject {
  background: transparent;
  color: var(--on-dark);
  border: 1px solid var(--hairline);
}

.site-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  margin-top: 80px;
}

.footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 64px 24px 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--hairline);
}

.footer-col-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--on-dark);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li {
  padding: 4px 0;
  font-size: 14px;
  font-weight: 300;
  color: var(--muted);
}

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

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

.footer-disclaimer {
  font-size: 12px;
  font-weight: 300;
  color: var(--muted);
  line-height: 1.5;
  margin-bottom: 24px;
  padding: 16px;
  border: 1px solid var(--hairline);
  background: var(--surface-card);
}

.footer-disclaimer p { margin: 0 0 4px; color: inherit; font-size: inherit; font-weight: inherit; }

.footer-bottom {
  border-top: 1px solid var(--hairline);
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-copyright {
  font-size: 12px;
  font-weight: 300;
  color: var(--muted);
}

.toc-box {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  padding: 20px 24px;
  margin-bottom: 32px;
  display: inline-block;
  min-width: 240px;
}

.toc-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--on-dark);
  margin-bottom: 12px;
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc-list li { padding: 3px 0; }

.toc-list a {
  font-size: 14px;
  font-weight: 300;
  color: var(--body);
  text-decoration: underline;
}

.toc-list a:hover { color: var(--on-dark); }

@media (max-width: 1024px) {
  .content-layout {
    grid-template-columns: 1fr;
  }
  .sidebar-latest {
    position: static;
    order: -1;
  }
  .digest-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .header-inner { gap: 16px; }
  .nav-toggle { display: flex; }
  .main-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--canvas);
    z-index: 200;
    padding: 80px 24px 24px;
    flex-direction: column;
  }
  .main-nav.open { display: flex; }
  .nav-list { flex-direction: column; gap: 0; }
  .nav-link { font-size: 18px; padding: 16px 0; border-bottom: 1px solid var(--hairline); }
  .content-layout { padding: 24px 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 40px 16px; }
  .cookie-banner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .logo-name { font-size: 14px; }
  .digest-card-title { font-size: 16px; }
  .article-title { font-size: 24px; }
}