:root {
  --color-graphite: #181a1d;
  --color-graphite-card: #22252a;
  --color-graphite-border: #333842;
  --color-lava: #ff3b00;
  --color-lava-hover: #e03400;
  --color-forest: #1e3a2b;
  --color-forest-accent: #2d5a43;
  --color-sand: #e6d7c3;
  --color-sand-muted: #b8ac9b;
  --color-white: #ffffff;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "Roboto Mono", "Courier New", monospace;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--color-graphite);
  color: var(--color-sand);
  font-family: var(--font-main);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

/* Header UI - Slim & Non-Sticky */
.site-header {
  background-color: rgba(24, 26, 29, 0.95);
  border-bottom: 1px solid var(--color-graphite-border);
  padding: 0.75rem 1.5rem;
  position: relative;
  z-index: 100;
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.5px;
  color: var(--color-white);
}

.brand-logo svg {
  color: var(--color-lava);
}

.brand-tag {
  font-size: 0.65rem;
  background: var(--color-forest);
  color: var(--color-sand);
  padding: 2px 6px;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-left: 4px;
  border: 1px solid var(--color-forest-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-sand-muted);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-lava);
}

.nav-cta {
  background-color: var(--color-lava);
  color: var(--color-white);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
}

.nav-cta:hover {
  background-color: var(--color-lava-hover);
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-sand);
  cursor: pointer;
  padding: 0.25rem;
}

/* Hero Section */
.hero-section {
  padding: 4rem 1.5rem;
  background: radial-gradient(circle at 80% 20%, rgba(255, 59, 0, 0.08) 0%, transparent 50%),
              radial-gradient(circle at 20% 80%, rgba(30, 58, 43, 0.3) 0%, transparent 50%),
              var(--color-graphite);
  border-bottom: 1px solid var(--color-graphite-border);
  position: relative;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: linear-gradient(var(--color-graphite-border) 1px, transparent 1px),
                    linear-gradient(90deg, var(--color-graphite-border) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.15;
  pointer-events: none;
}

.hero-content {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hud-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-lava);
  background: rgba(255, 59, 0, 0.1);
  border: 1px solid rgba(255, 59, 0, 0.3);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hud-badge::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--color-lava);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
  100% { opacity: 1; transform: scale(1); }
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.1;
  margin-bottom: 1.2rem;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-sand-muted);
  max-width: 720px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  background-color: var(--color-lava);
  color: var(--color-white);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.btn-primary:hover {
  background-color: var(--color-lava-hover);
  box-shadow: 0 4px 20px rgba(255, 59, 0, 0.3);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-sand);
  border: 1px solid var(--color-graphite-border);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.btn-secondary:hover {
  border-color: var(--color-sand);
  background-color: rgba(230, 215, 195, 0.05);
}

/* Section Header */
.section-wrapper {
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--color-graphite-border);
  padding-bottom: 1rem;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.5px;
}

.section-desc {
  color: var(--color-sand-muted);
  font-size: 0.95rem;
  margin-top: 0.2rem;
}

/* Card Architecture */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.75rem;
}

.anomaly-card {
  background-color: var(--color-graphite-card);
  border: 1px solid var(--color-graphite-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.anomaly-card:hover {
  border-color: rgba(255, 59, 0, 0.5);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.card-media {
  position: relative;
  height: 200px;
  overflow: hidden;
  background-color: #111;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.anomaly-card:hover .card-media img {
  transform: scale(1.05);
}

.card-coordinates {
  position: absolute;
  bottom: 0.5rem;
  left: 0.5rem;
  background: rgba(24, 26, 29, 0.85);
  backdrop-filter: blur(4px);
  color: var(--color-sand);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 2px 8px;
  border-radius: 2px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-category {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: var(--color-forest);
  color: var(--color-sand);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 2px;
  text-transform: uppercase;
  font-weight: 600;
  border: 1px solid var(--color-forest-accent);
}

.card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.card-excerpt {
  color: var(--color-sand-muted);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--color-graphite-border);
  padding-top: 1rem;
  margin-top: auto;
}

.meta-item {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-sand-muted);
}

.card-btn {
  background-color: transparent;
  color: var(--color-lava);
  border: 1px solid var(--color-lava);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  font-weight: 600;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.card-btn:hover {
  background-color: var(--color-lava);
  color: var(--color-white);
}

/* Feature Telemetry Stats */
.telemetry-strip {
  background-color: #121416;
  border-top: 1px solid var(--color-graphite-border);
  border-bottom: 1px solid var(--color-graphite-border);
  padding: 2.5rem 1.5rem;
  margin: 3rem 0;
}

.telemetry-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.telemetry-item {
  border-left: 2px solid var(--color-lava);
  padding-left: 1rem;
}

.telemetry-val {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1;
}

.telemetry-lbl {
  font-size: 0.85rem;
  color: var(--color-sand-muted);
  margin-top: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Journal UI Components */
.journal-filters {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-graphite-border);
}

.filter-btn {
  background-color: var(--color-graphite-card);
  border: 1px solid var(--color-graphite-border);
  color: var(--color-sand-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--color-forest);
  border-color: var(--color-forest-accent);
  color: var(--color-white);
}

.journal-featured {
  background-color: var(--color-graphite-card);
  border: 1px solid var(--color-graphite-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 3.5rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  transition: var(--transition);
}

.journal-featured:hover {
  border-color: rgba(255, 59, 0, 0.4);
}

.journal-featured-media {
  position: relative;
  min-height: 320px;
}

.journal-featured-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.journal-featured-body {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.journal-meta-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-lava);
  margin-bottom: 0.75rem;
}

.journal-issue-tag {
  background: rgba(255, 59, 0, 0.15);
  border: 1px solid rgba(255, 59, 0, 0.3);
  padding: 2px 8px;
  border-radius: 2px;
  font-weight: 700;
}

.journal-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.journal-abstract {
  color: var(--color-sand-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.journal-citation-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-graphite-border);
  padding-top: 1.25rem;
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-sand-muted);
}

.journal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
}

.journal-entry-card {
  background-color: var(--color-graphite-card);
  border: 1px solid var(--color-graphite-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.journal-entry-card:hover {
  border-color: var(--color-lava);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.journal-entry-media {
  height: 180px;
  margin: -1.75rem -1.75rem 1.25rem -1.75rem;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
  background-color: #111;
}

.journal-entry-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.journal-entry-card:hover .journal-entry-media img {
  transform: scale(1.05);
}

.journal-entry-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.journal-doi {
  color: var(--color-sand-muted);
}

.journal-entry-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.journal-entry-excerpt {
  font-size: 0.9rem;
  color: var(--color-sand-muted);
  line-height: 1.55;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.journal-author-box {
  background: rgba(24, 26, 29, 0.6);
  border: 1px solid var(--color-graphite-border);
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-sand);
  margin-bottom: 1.25rem;
}

/* Detail Article Styles */
.article-header {
  padding: 3rem 1.5rem 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.article-meta-top {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-lava);
}

.article-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  color: var(--color-white);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.article-banner {
  max-width: 1100px;
  margin: 0 auto 3rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-graphite-border);
}

.article-banner img {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
}

.article-body {
  max-width: 800px;
  margin: 0 auto 4rem;
  padding: 0 1.5rem;
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-sand);
}

.article-body h2 {
  font-size: 1.6rem;
  color: var(--color-white);
  margin: 2.5rem 0 1rem;
  font-weight: 700;
  border-bottom: 1px solid var(--color-graphite-border);
  padding-bottom: 0.5rem;
}

.article-body h3 {
  font-size: 1.3rem;
  color: var(--color-sand);
  margin: 1.8rem 0 0.8rem;
}

.article-body p {
  margin-bottom: 1.5rem;
}

.article-body blockquote {
  background: var(--color-graphite-card);
  border-left: 4px solid var(--color-lava);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.data-box {
  background-color: var(--color-graphite-card);
  border: 1px solid var(--color-graphite-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin: 2rem 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.data-box-header {
  color: var(--color-lava);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Contact & Legal pages */
.content-page {
  max-width: 900px;
  margin: 3rem auto;
  padding: 0 1.5rem;
}

.legal-content h1 {
  font-size: 2.2rem;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.legal-content .last-updated {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-sand-muted);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-graphite-border);
}

.legal-content h2 {
  font-size: 1.4rem;
  color: var(--color-white);
  margin: 2rem 0 1rem;
}

.legal-content p, .legal-content ul {
  margin-bottom: 1.25rem;
  color: var(--color-sand-muted);
}

.legal-content ul {
  padding-left: 1.5rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-top: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--color-sand);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--color-graphite-card);
  border: 1px solid var(--color-graphite-border);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-lava);
  box-shadow: 0 0 0 2px rgba(255, 59, 0, 0.2);
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

/* Universal Footer */
.site-footer {
  background-color: #111214;
  border-top: 1px solid var(--color-graphite-border);
  padding: 3.5rem 1.5rem 2rem;
  margin-top: 5rem;
  color: var(--color-sand-muted);
  font-size: 0.9rem;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-brand .brand-logo {
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.6;
  max-width: 320px;
  margin-bottom: 1rem;
}

.footer-heading {
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1.2rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.6rem;
}

.footer-links a {
  transition: var(--transition);
}

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

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--color-graphite-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

/* Cookie Consent Banner */
.cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  max-width: 420px;
  background-color: var(--color-graphite-card);
  border: 1px solid var(--color-lava);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  z-index: 1000;
  display: none;
}

.cookie-banner.active {
  display: block;
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  from { transform: translateY(100px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.cookie-title {
  color: var(--color-white);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cookie-text {
  font-size: 0.85rem;
  color: var(--color-sand-muted);
  margin-bottom: 1.2rem;
  line-height: 1.5;
}

.cookie-actions {
  display: flex;
  gap: 0.6rem;
}

.cookie-btn-accept {
  background-color: var(--color-lava);
  color: var(--color-white);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  font-weight: 600;
  cursor: pointer;
  flex: 1;
}

.cookie-btn-decline {
  background-color: transparent;
  color: var(--color-sand-muted);
  border: 1px solid var(--color-graphite-border);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  cursor: pointer;
}

/* Responsive Rules */
@media (max-width: 900px) {
  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .journal-featured {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-graphite-card);
    border-bottom: 1px solid var(--color-graphite-border);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1.2rem;
    align-items: flex-start;
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .footer-container {
    grid-template-columns: 1fr;
  }

  .cookie-banner {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    max-width: calc(100% - 2rem);
  }
}