:root {
  --bg: #050507;
  --bg-soft: #0d0f16;
  --panel: #111320;
  --panel-soft: #141726;
  --text: #f9fafb;
  --muted: #a1a1aa;
  --muted-strong: #e5e7eb;
  --accent: #fbbf24; /* hi-viz yellow */
  --accent-strong: #f97316; /* warm orange */
  --accent-border: rgba(249, 115, 22, 0.6);
  --border: #27272f;
  --border-soft: #1c1c24;
  --radius-md: 8px;
  --radius-lg: 14px;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  --shadow-soft: 0 0 0 1px #050509, 0 16px 32px rgba(0, 0, 0, 0.9);
  --max-width: 920px;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: var(--font-mono);
  background: radial-gradient(circle at top, #111827 0, #020617 55%, #000 100%);
  color: var(--text);
}

/* Layout */

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1rem;
}

.shell {
  width: 100%;
  max-width: var(--max-width);
  margin: 1.25rem auto 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: radial-gradient(
    circle at top left,
    #1e293b 0,
    #020617 55%,
    #020617 100%
  );
  box-shadow: var(--shadow-soft);
  padding: 1.8rem 1.6rem 1.5rem;
}

.shell--article {
  max-width: 800px;
}

/* Header */

.site-header {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: #020617;
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-strong);
}

.logo-mark {
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 3px;
  background: linear-gradient(
    135deg,
    var(--accent) 0,
    var(--accent-strong) 45%,
    #ef4444 100%
  );
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.7);
}

/* Nav */

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: flex-end;
}

.nav-link {
  font-size: 0.75rem;
  padding: 0.26rem 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: rgba(15, 23, 42, 0.8);
  color: var(--muted);
  text-decoration: none;
}

.nav-link--active {
  border-color: var(--accent-border);
  color: var(--muted-strong);
}

.nav-link--accent {
  background: #020617;
  border-color: var(--border);
}

.nav-link:hover,
.nav-link:focus-visible {
  border-color: var(--accent-border);
  color: var(--muted-strong);
  outline: none;
}

/* Hero */

.hero {
  margin-bottom: 1.7rem;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: #020617;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.tag-stripe {
  width: 1.4rem;
  height: 0.5rem;
  border-radius: 3px;
  background-image: linear-gradient(
    135deg,
    var(--accent) 0,
    var(--accent) 25%,
    transparent 25%,
    transparent 50%,
    var(--accent) 50%,
    var(--accent) 75%,
    transparent 75%,
    transparent 100%
  );
  background-size: 0.8rem 0.8rem;
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.8);
}

.hero-title {
  margin: 0.7rem 0 0.3rem;
  font-size: 2rem;
  line-height: 1.25;
}

.hero-title--small {
  font-size: 1.5rem;
}

.hero-title-accent {
  display: inline-block;
  margin-top: 0.25rem;
  font-size: 0.9rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-lead {
  margin: 0 0 0.9rem;
  font-size: 0.87rem;
  max-width: 40rem;
  color: var(--muted-strong);
}

.hero-lead--narrow {
  max-width: 34rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: #020617;
  color: var(--muted-strong);
  font-size: 0.8rem;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.14s ease, border-color 0.14s ease,
    transform 0.08s ease, box-shadow 0.14s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  border-color: transparent;
  color: #111827;
  box-shadow: 0 12px 28px rgba(248, 181, 0, 0.55);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 18px 36px rgba(248, 181, 0, 0.7);
  outline: none;
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--accent-border);
  outline: none;
}

/* Sections */

.section {
  margin-top: 1.4rem;
}

.section-header {
  margin-bottom: 0.9rem;
}

.section-title {
  margin: 0 0 0.3rem;
  font-size: 0.9rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-strong);
}

.section-sub {
  margin: 0;
  font-size: 0.84rem;
  color: var(--muted);
  max-width: 34rem;
}

/* Articles grid */

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.card {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: linear-gradient(to bottom right, var(--panel), var(--panel-soft));
  padding: 0.85rem 0.9rem 0.9rem;
}

.card-article {
  position: relative;
  border-left: 3px solid var(--accent-border);
}

.card-article--placeholder {
  opacity: 0.8;
  border-style: dashed;
}

.card-header {
  margin-bottom: 0.45rem;
}

.card-kicker {
  margin: 0 0 0.2rem;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.card-title {
  margin: 0;
  font-size: 0.95rem;
}

.card-title a {
  color: var(--muted-strong);
  text-decoration: none;
}

.card-title a:hover,
.card-title a:focus-visible {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  outline: none;
}

.card-excerpt {
  margin: 0.45rem 0 0.5rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--muted);
}

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

.card-link:hover,
.card-link:focus-visible {
  text-decoration: underline;
  outline: none;
}

/* Meta section */

.section--meta {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 1rem;
}

.meta-block {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: #020617;
  padding: 0.9rem 0.9rem 0.85rem;
}

.meta-list {
  margin: 0.35rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.8rem;
  color: var(--muted-strong);
}

.meta-list li + li {
  margin-top: 0.2rem;
}

.meta-list--links a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dotted var(--accent);
}

.meta-list--links a:hover,
.meta-list--links a:focus-visible {
  border-bottom-style: solid;
  outline: none;
}

/* About */

.section--about {
  margin-top: 0.6rem;
}

.about-grid {
  margin-top: 1.1rem;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
  gap: 0.9rem;
}

.about-block {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: #020617;
  padding: 0.9rem 0.9rem 0.85rem;
  font-size: 0.82rem;
  color: var(--muted-strong);
}

.about-block:nth-child(3) {
  grid-column: 1 / -1;
}

.about-note {
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--muted);
}

/* Article page */

.article {
  font-size: 0.86rem;
  color: var(--muted-strong);
}

.article-header {
  margin-bottom: 0.9rem;
}

.article-kicker {
  margin: 0 0 0.25rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.article-title {
  margin: 0 0 0.35rem;
  font-size: 1.4rem;
}

.article-meta {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.article-body p {
  margin: 0 0 0.6rem;
}

.article-body h2 {
  margin: 1.1rem 0 0.35rem;
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-strong);
}

.article-body ul {
  margin: 0.25rem 0 0.6rem;
  padding-left: 1.1rem;
}

.article-body li + li {
  margin-top: 0.16rem;
}

.article-body a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dotted var(--accent);
}

.article-body a:hover,
.article-body a:focus-visible {
  border-bottom-style: solid;
  outline: none;
}

/* Footer */

.site-footer {
  max-width: var(--max-width);
  margin: 1rem auto 0;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
}

.site-footer p {
  margin: 0.1rem 0;
}

.site-footer a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dotted var(--accent);
}

.site-footer a:hover,
.site-footer a:focus-visible {
  border-bottom-style: solid;
  outline: none;
}

/* Utilities */

a {
  color: var(--accent);
}

/* Responsive */

@media (min-width: 960px) {
  .site-header,
  .shell,
  .site-footer {
    max-width: 75vw;
  }
}

@media (max-width: 840px) {
  .articles-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section--meta {
    grid-template-columns: minmax(0, 1fr);
  }

  .about-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .page {
    padding: 1.25rem 0.7rem;
  }

  .shell {
    padding: 1.5rem 1.1rem 1.3rem;
  }

  .hero-title {
    font-size: 1.7rem;
  }

  .articles-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Reduced motion */

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}