:root {
  --bg: #0d1117;
  --card: #161b22;
  --card-soft: #11161d;
  --blue: #2e8bff;
  --green: #3fb950;
  --text: #f0f6fc;
  --muted: #8b949e;
  --border: #30363d;
  --border-soft: rgba(240, 246, 252, 0.08);
  --header-bg: rgba(13, 17, 23, 0.86);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 80% 0%, rgba(46, 139, 255, 0.09), transparent 30%),
    var(--bg);
  color: var(--text);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.6;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

code,
pre {
  font-family:
    "SFMono-Regular",
    Consolas,
    "Liberation Mono",
    Menlo,
    monospace;
}

.container {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

.hero.section {
  padding-top: 68px;
}

.border-section {
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.alt-section {
  background: rgba(22, 27, 34, 0.48);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  min-height: 72px;
  display: flex;
  align-items: center;
  background: var(--header-bg);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand,
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(46, 139, 255, 0.38);
  border-radius: 11px;
  background: rgba(46, 139, 255, 0.1);
  color: var(--blue);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: -0.02em;
}

.brand-text {
  display: flex;
  align-items: baseline;
  gap: 5px;
}

.brand-text strong,
.footer-brand strong {
  font-size: 0.98rem;
}

.brand-text span {
  color: var(--muted);
  font-size: 0.92rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.92rem;
  transition:
    color 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--text);
}

.nav-github {
  padding: 8px 13px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.nav-github:hover {
  border-color: #4b5563;
  background: var(--card);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  cursor: pointer;
}

.menu-toggle span {
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
  transition: 0.2s ease;
}

.hero {
  padding-top: 118px;
  padding-bottom: 118px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 72px;
}

.eyebrow,
.section-kicker {
  color: var(--blue);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 24px;
  padding: 8px 12px;
  border: 1px solid rgba(46, 139, 255, 0.24);
  border-radius: 999px;
  background: rgba(46, 139, 255, 0.06);
  letter-spacing: 0.04em;
  text-transform: none;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(63, 185, 80, 0.1);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(2.75rem, 6vw, 5.3rem);
  line-height: 0.99;
  letter-spacing: -0.058em;
}

h1 span {
  color: var(--blue);
}

.hero-description {
  max-width: 650px;
  margin-bottom: 16px;
  color: #c9d1d9;
  font-size: 1.24rem;
  line-height: 1.55;
}

.hero-positioning {
  max-width: 620px;
  margin-bottom: 32px;
  color: var(--muted);
  font-size: 0.98rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 18px;
  border-radius: 9px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.93rem;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--blue);
  color: white;
}

.btn-primary:hover {
  background: #4b9cff;
}

.btn-secondary {
  border-color: var(--border);
  background: var(--card);
  color: var(--text);
}

.btn-secondary:hover {
  border-color: #4b5563;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 0.82rem;
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-meta span::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--border);
}

.code-window {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: #0b0f14;
  box-shadow: var(--shadow);
}

.code-toolbar {
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border-soft);
  background: var(--card);
}

.window-controls {
  display: flex;
  gap: 7px;
}

.window-controls span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #4b5563;
}

.window-controls span:nth-child(1) {
  background: #ff7b72;
}

.window-controls span:nth-child(2) {
  background: #d29922;
}

.window-controls span:nth-child(3) {
  background: var(--green);
}

.code-file {
  color: var(--muted);
  font-family: monospace;
  font-size: 0.77rem;
}

.code-window pre {
  margin: 0;
  padding: 26px;
  overflow-x: auto;
  color: #c9d1d9;
  font-size: 0.82rem;
  line-height: 1.75;
}

.code-purple {
  color: #d2a8ff;
}

.code-green {
  color: #a5d6ff;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 46px;
}

.section-heading h2 {
  margin: 8px 0 14px;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.1;
  letter-spacing: -0.045em;
}

.section-heading p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1rem;
}

.split-heading {
  max-width: none;
  display: grid;
  grid-template-columns: 1fr minmax(320px, 0.72fr);
  align-items: end;
  gap: 48px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.feature-card,
.project-card,
.content-card {
  border: 1px solid var(--border-soft);
  background: var(--card);
  border-radius: var(--radius-md);
}

.feature-card {
  min-height: 240px;
  padding: 24px;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
}

.feature-card:hover,
.project-card:hover,
.content-card:hover {
  transform: translateY(-3px);
  border-color: rgba(46, 139, 255, 0.42);
}

.icon-box {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  margin-bottom: 40px;
  border: 1px solid rgba(46, 139, 255, 0.25);
  border-radius: 11px;
  background: rgba(46, 139, 255, 0.08);
  color: var(--blue);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.feature-card h3,
.project-card h3,
.content-card h3,
.practice-item h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
}

.feature-card p,
.project-card p,
.content-card p,
.practice-item p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.project-card {
  display: flex;
  flex-direction: column;
  padding: 28px;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
}

.featured-project {
  border-color: rgba(46, 139, 255, 0.32);
  background:
    linear-gradient(180deg, rgba(46, 139, 255, 0.06), transparent 30%),
    var(--card);
}

.project-topline {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 54px;
}

.project-number {
  color: var(--muted);
  font-family: monospace;
  font-size: 0.78rem;
}

.project-level,
.content-type {
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}


.project-live {
  color: var(--green);
}

.project-planned {
  color: var(--muted);
}

.project-status {
  display: inline-flex;
  align-items: center;
  margin-top: auto;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.project-card h3 {
  max-width: 260px;
  font-size: 1.28rem;
  line-height: 1.3;
}

.project-card p {
  margin-bottom: 22px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 0;
  margin: auto 0 24px;
  list-style: none;
}

.tag-list li {
  padding: 6px 9px;
  border: 1px solid var(--border);
  border-radius: 7px;
  color: #b1bac4;
  font-family: monospace;
  font-size: 0.7rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--blue);
  font-weight: 700;
  font-size: 0.86rem;
}

.text-link span {
  transition: transform 0.2s ease;
}

.text-link:hover span {
  transform: translateX(3px);
}

.practice-list {
  border-top: 1px solid var(--border-soft);
}

.practice-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 28px;
  padding: 30px 0;
  border-bottom: 1px solid var(--border-soft);
}

.practice-index {
  color: var(--blue);
  font-family: monospace;
  font-size: 0.8rem;
}

.practice-item > div:last-child {
  max-width: 760px;
}

.practice-item h3 {
  margin-bottom: 6px;
  font-size: 1.12rem;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.content-card {
  display: flex;
  flex-direction: column;
  padding: 26px;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
}

.content-card h3 {
  margin: 22px 0 12px;
  font-size: 1.15rem;
  line-height: 1.35;
}

.content-card p {
  margin-bottom: 24px;
}

.content-card .text-link {
  margin-top: auto;
}

.github-section {
  padding-top: 24px;
}

.github-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 64px;
  padding: 50px;
  border: 1px solid rgba(46, 139, 255, 0.25);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(120deg, rgba(46, 139, 255, 0.08), rgba(63, 185, 80, 0.025)),
    var(--card);
}

.github-panel h2 {
  max-width: 700px;
  margin: 8px 0 14px;
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.github-panel p {
  max-width: 650px;
  margin-bottom: 0;
  color: var(--muted);
}

.github-actions {
  min-width: 190px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.github-actions span {
  color: var(--muted);
  font-size: 0.75rem;
  text-align: center;
}


.github-profile-link {
  color: var(--muted);
  font-size: 0.78rem;
  text-align: center;
}

.github-profile-link:hover {
  color: var(--text);
}

.site-footer {
  padding: 34px 0;
  border-top: 1px solid var(--border-soft);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.footer-brand p,
.footer-inner > p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.footer-inner > p {
  margin: 0;
}

@media (max-width: 980px) {
  .hero-grid,
  .split-heading,
  .github-panel {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 54px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .project-card,
  .content-card {
    min-height: auto;
  }

  .github-panel {
    gap: 28px;
  }

  .github-actions {
    max-width: 220px;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .section {
    padding: 78px 0;
  }

  .site-header {
    min-height: 66px;
  }

  .menu-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: 66px;
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: #11161d;
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    padding: 12px 13px;
    border-radius: 8px;
  }

  .site-nav a:hover {
    background: var(--card);
  }

  .nav-github {
    border: 0;
  }

  .hero {
    padding-top: 88px;
  }

  h1 {
    font-size: clamp(2.7rem, 14vw, 4.3rem);
  }

  .hero-description {
    font-size: 1.08rem;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: 210px;
  }

  .icon-box {
    margin-bottom: 30px;
  }

  .practice-item {
    grid-template-columns: 50px 1fr;
    gap: 12px;
  }

  .github-panel {
    padding: 30px 22px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 500px) {
  .about-me-panel { padding: 26px; }
  .about-me-photo { max-width: 220px; }
  .brand-text span {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .hero-meta {
    gap: 10px 16px;
  }

  .code-window pre {
    padding: 20px;
    font-size: 0.74rem;
  }

  .project-card,
  .content-card,
  .feature-card {
    padding: 22px;
  }

  .project-topline {
    margin-bottom: 36px;
  }

  .practice-item {
    grid-template-columns: 1fr;
  }

  .github-actions {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* Autoria e posicionamento profissional */
.brand-text {
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  line-height: 1.15;
}

.brand-title {
  display: flex;
  align-items: baseline;
  gap: 5px;
}

.brand-byline {
  color: var(--muted) !important;
  font-size: 0.68rem !important;
  letter-spacing: 0.02em;
}

.principle-section {
  padding: 0 0 104px;
}

.principle-panel {
  display: grid;
  grid-template-columns: 180px 1fr;
  column-gap: 42px;
  row-gap: 10px;
  padding: 28px 30px;
  border: 1px solid var(--border-soft);
  border-left: 3px solid var(--green);
  border-radius: var(--radius-md);
  background: rgba(22, 27, 34, 0.62);
}

.principle-label {
  grid-row: 1 / span 2;
  color: var(--green);
  font-family: monospace;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.principle-panel p {
  max-width: 820px;
  margin: 0;
  color: #c9d1d9;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  line-height: 1.55;
}

.principle-panel strong {
  color: var(--text);
  font-weight: 700;
}

.principle-note {
  color: var(--muted);
  font-size: 0.87rem;
}

.evolution-strip {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  gap: 40px;
  margin-top: 22px;
  padding: 26px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  background: var(--card-soft);
}

.evolution-strip h3 {
  margin: 6px 0 0;
  font-size: 1rem;
}

.evolution-topics {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.evolution-topics span {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: #b1bac4;
  font-size: 0.74rem;
}

.author-section {
  padding-top: 38px;
}

.author-panel {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 68px;
  padding-top: 54px;
  padding-bottom: 54px;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.author-identification {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.author-monogram {
  flex: 0 0 auto;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(46, 139, 255, 0.34);
  border-radius: 14px;
  background: rgba(46, 139, 255, 0.08);
  color: var(--blue);
  font-family: monospace;
  font-weight: 800;
}

.author-identification h2 {
  margin: 8px 0 0;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.author-identification h2 span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0;
}

.author-content {
  max-width: 700px;
}

.author-content > p {
  color: #c9d1d9;
}

.author-content .author-note {
  color: var(--muted);
  font-size: 0.91rem;
}

.author-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.author-links .btn {
  min-width: 112px;
}

.footer-byline {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 500;
}

@media (max-width: 980px) {
  .principle-panel,
  .evolution-strip,
  .author-panel {
    grid-template-columns: 1fr;
  }

  .principle-panel {
    gap: 12px;
  }

  .principle-label {
    grid-row: auto;
  }

  .evolution-topics {
    justify-content: flex-start;
  }

  .author-panel {
    gap: 34px;
  }
}

@media (max-width: 760px) {
  .principle-section {
    padding-bottom: 78px;
  }

  .principle-panel {
    padding: 22px;
  }

  .author-section {
    padding-top: 14px;
  }
}

@media (max-width: 500px) {
  .about-me-panel { padding: 26px; }
  .about-me-photo { max-width: 220px; }
  .brand-byline {
    display: block !important;
  }

  .author-identification {
    flex-direction: column;
  }

  .author-links {
    flex-direction: column;
  }

  .author-links .btn {
    width: 100%;
  }
}


.about-me-section {
  padding-top: 72px;
}

.about-me-panel {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 64px;
  align-items: center;
  padding: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(46, 139, 255, 0.08), transparent 42%),
    var(--card);
}

.about-me-photo,
.about-page-photo {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border: 1px solid rgba(46, 139, 255, 0.3);
  border-radius: 18px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.about-me-photo img,
.about-page-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.about-me-content {
  max-width: 720px;
}

.about-me-content h2 {
  max-width: 720px;
  margin: 8px 0 20px;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.about-me-content p {
  max-width: 700px;
  color: #c9d1d9;
  font-size: 1.02rem;
}

.about-me-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.about-page-photo {
  max-width: 260px;
  margin-bottom: 24px;
}

.muted { color: var(--muted); }

:where(a, button, input, select, textarea):focus-visible {
  outline: 3px solid rgba(46, 139, 255, 0.9);
  outline-offset: 3px;
}

.site-nav a:focus-visible,
.btn:focus-visible,
.content-card:focus-within,
.project-card:focus-within,
.start-card:focus-visible {
  outline: 3px solid rgba(46, 139, 255, 0.9);
  outline-offset: 3px;
}

/* Article pages */
.article-main { padding: 72px 0 104px; }
.article-shell { width: min(calc(100% - 40px), 820px); margin: 0 auto; }
.article-back { display: inline-flex; margin-bottom: 36px; color: var(--muted); font-size: .92rem; }
.article-back:hover { color: var(--text); }
.article-header { padding-bottom: 42px; border-bottom: 1px solid var(--border-soft); }
.article-header h1 { margin: 12px 0 18px; font-size: clamp(2.15rem, 6vw, 3.75rem); line-height: 1.08; letter-spacing: -.055em; }
.article-lead { margin: 0; color: #c9d1d9; font-size: 1.12rem; line-height: 1.75; }
.article-meta { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 24px; color: var(--muted); font-size: .88rem; }
.article-body { padding-top: 42px; }
.article-body h2 { margin: 54px 0 14px; font-size: clamp(1.45rem, 4vw, 2rem); letter-spacing: -.035em; }
.article-body h3 { margin: 34px 0 10px; font-size: 1.15rem; }
.article-body p, .article-body li { color: #c9d1d9; }
.article-body ul, .article-body ol { padding-left: 24px; }
.article-body li + li { margin-top: 8px; }
.article-body strong { color: var(--text); }
.article-body pre { overflow-x: auto; margin: 24px 0; padding: 20px; border: 1px solid var(--border); border-radius: var(--radius-md); background: #090d12; font-size: .88rem; line-height: 1.7; }
.article-body code:not(pre code) { padding: 2px 6px; border: 1px solid var(--border-soft); border-radius: 6px; background: var(--card); color: #d2a8ff; font-size: .9em; }
.article-callout { margin: 28px 0; padding: 20px 22px; border-left: 3px solid var(--blue); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; background: rgba(46,139,255,.07); }
.article-callout p { margin: 0; }
.article-footer { margin-top: 64px; padding-top: 28px; border-top: 1px solid var(--border-soft); }
.article-footer p { color: var(--muted); }
@media (max-width: 600px) { .article-pagination { grid-template-columns: 1fr; } .article-nav-card-next { text-align: left; } .article-nav-empty { display: none; } .article-main { padding-top: 48px; } .article-header h1 { font-size: 2.25rem; } }

.articles-noscript,
.articles-empty {
  color: var(--text-secondary);
  margin: 0;
}

/* MVP content architecture */
.page-hero { padding: 60px 0 52px; border-bottom: 1px solid var(--border-soft); }
.page-hero h1 { max-width: 850px; margin: 12px 0 18px; font-size: clamp(2.6rem, 6vw, 4.7rem); line-height: 1.02; letter-spacing: -.055em; }
.page-hero p { max-width: 760px; margin: 0; color: #c9d1d9; font-size: 1.1rem; }
.page-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.section-heading.narrow { max-width: 760px; }
.project-grid.three { grid-template-columns: repeat(3, 1fr); }
.project-card .project-link { margin-top: 18px; }
.project-card .project-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.project-meta span, .meta-pill { display: inline-flex; align-items: center; padding: 5px 9px; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); font-size: .76rem; }
.trail-step { position: relative; display: grid; grid-template-columns: 72px 1fr auto; gap: 24px; align-items: start; padding: 28px 0; border-bottom: 1px solid var(--border-soft); }
.trail-step:last-child { border-bottom: 0; }
.trail-number { display: grid; place-items: center; width: 56px; height: 56px; border: 1px solid rgba(46,139,255,.35); border-radius: 14px; color: var(--blue); font-weight: 800; }
.trail-step h3 { margin: 0 0 7px; font-size: 1.35rem; }
.trail-step p { margin: 0; color: var(--muted); }
.trail-status { white-space: nowrap; color: var(--muted); font-size: .82rem; }
.content-toolbar { display: grid; grid-template-columns: minmax(0, 1fr) 190px 190px; gap: 12px; margin: 32px 0; }
.content-toolbar input, .content-toolbar select { width: 100%; min-height: 46px; padding: 0 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--card); color: var(--text); outline: none; }
.content-toolbar input:focus, .content-toolbar select:focus { border-color: rgba(46,139,255,.7); box-shadow: 0 0 0 3px rgba(46,139,255,.1); }
.toolbar-meta { display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: .85rem; margin-bottom: 14px; }
.article-card-meta { display: flex; gap: 12px; color: var(--muted); font-size: .78rem; }
.article-card-meta span:first-child { color: var(--blue); }
.article-card h3 { margin-top: 12px; }
.article-context { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.case-card { padding: 26px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--card-soft); }
.case-card h3 { margin: 0 0 8px; }
.case-card p { margin: 0; color: var(--muted); }
.decision-table { width: 100%; border-collapse: collapse; margin-top: 28px; }
.decision-table th, .decision-table td { padding: 14px 16px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.decision-table th { color: var(--text); font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; }
.decision-table td { color: #c9d1d9; }
.project-hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 36px; align-items: end; }
.project-facts { padding: 24px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--card); }
.project-facts div { display: flex; justify-content: space-between; gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--border-soft); }
.project-facts div:last-child { border-bottom: 0; }
.project-facts span:first-child { color: var(--muted); }
.project-facts span:last-child { text-align: right; }
.code-block { overflow-x: auto; padding: 22px; border: 1px solid var(--border); border-radius: var(--radius-md); background: #090d12; color: #d6deeb; line-height: 1.7; }
.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: start; }
.about-card { padding: 30px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--card); }
.about-card h2 { margin-top: 0; }
.related-list { display: grid; gap: 10px; margin-top: 22px; }
.related-list a { display: flex; justify-content: space-between; gap: 16px; padding: 15px 16px; border: 1px solid var(--border); border-radius: 10px; color: #c9d1d9; background: var(--card-soft); }
.related-list a:hover { border-color: rgba(46,139,255,.45); color: var(--text); }
@media (max-width: 980px) {
  .start-grid { grid-template-columns: 1fr; }
  .article-context-panel { grid-template-columns: 1fr; }
  .article-context-actions { justify-items: start; }
  .project-grid.three, .project-hero-grid, .about-grid, .case-grid, .about-me-panel { grid-template-columns: 1fr; }
  .content-toolbar { grid-template-columns: 1fr 1fr; }
  .about-me-panel { gap: 34px; }
  .content-toolbar input { grid-column: 1 / -1; }
}
@media (max-width: 700px) {
  .hero.section { padding-top: 52px; }
  .page-hero { padding: 48px 0 40px; }
  .trail-step { grid-template-columns: 56px 1fr; }
  .trail-status { grid-column: 2; }
  .content-toolbar { grid-template-columns: 1fr; }
  .content-toolbar input { grid-column: auto; }
  .decision-table { display: block; overflow-x: auto; white-space: nowrap; }
}

.start-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
.start-card { display: flex; flex-direction: column; gap: 9px; min-height: 150px; padding: 24px; border: 1px solid var(--border-soft); border-radius: var(--radius-md); background: var(--card); color: var(--text); transition: transform .2s ease, border-color .2s ease; }
.start-card:hover { transform: translateY(-3px); border-color: rgba(46, 139, 255, .42); }
.start-card span { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; }
.start-card strong { font-size: 1.08rem; }
.start-card small { color: var(--muted); line-height: 1.55; }
.article-context-panel { display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center; margin-top: 64px; padding: 30px; border: 1px solid rgba(46,139,255,.25); border-radius: var(--radius-lg); background: linear-gradient(120deg, rgba(46,139,255,.07), rgba(63,185,80,.02)), var(--card); }
.article-context-panel h2 { margin: 8px 0 10px; font-size: clamp(1.5rem, 4vw, 2.2rem); }
.article-context-panel p { margin: 0 0 18px; color: var(--muted); }
.article-context-actions { display: grid; gap: 12px; justify-items: end; }
.article-related { margin-top: 64px; }
.article-related .section-heading { margin-bottom: 20px; }
.article-pagination { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; }
.article-nav-card { display: flex; flex-direction: column; gap: 7px; padding: 18px; border: 1px solid var(--border); border-radius: 12px; background: var(--card-soft); color: var(--text); }
.article-nav-card:hover { border-color: rgba(46,139,255,.45); }
.article-nav-card span { color: var(--muted); font-size: .78rem; }
.article-nav-card strong { line-height: 1.4; }
.article-nav-card-next { text-align: right; }
.article-nav-empty { visibility: hidden; }