:root {
  --color-bg: #0d0f12;
  --color-surface: #161a20;
  --color-surface-elevated: #1e232b;
  --color-border: #2e3644;
  --color-border-subtle: #202734;
  --color-text-main: #f0f3f8;
  --color-text-muted: #9ba7bb;
  --color-accent-amber: #e69d24;
  --color-accent-silver: #c8d1de;
  --color-accent-glow: rgba(230, 157, 36, 0.18);
  --color-focus: #f5b041;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --max-width: 1200px;
}

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

body {
  background-color: var(--color-bg);
  color: var(--color-text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  font-size: 1rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, .brand-name, .nav-item {
  overflow-wrap: anywhere;
}

h1, h2, h3, h4 {
  color: var(--color-text-main);
  line-height: 1.25;
  font-weight: 700;
}

p, ul, ol, table {
  color: var(--color-text-muted);
}

a {
  color: var(--color-accent-amber);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  color: #f7b443;
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.site-container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  min-width: 0;
}

/* Header & Nav */
.site-header {
  height: 64px;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  position: relative;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-width: 0;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-text-main);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
  min-width: 0;
}

.brand-wrapper:hover {
  text-decoration: none;
  color: #fff;
}

.brand-logo-svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  fill: var(--color-accent-amber);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-desktop a {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--color-accent-amber);
  text-decoration: none;
}

.header-cta-btn {
  background-color: transparent;
  color: var(--color-accent-amber);
  border: 1px solid var(--color-accent-amber);
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 2px;
  transition: background-color 0.15s, color 0.15s;
  display: inline-block;
}

.header-cta-btn:hover {
  background-color: var(--color-accent-amber);
  color: #000;
  text-decoration: none;
}

.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
  padding: 8px;
  cursor: pointer;
  border-radius: 2px;
}

.mobile-nav-overlay {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  border-bottom: 2px solid var(--color-accent-amber);
  padding: 24px;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.5);
}

.mobile-nav-overlay.is-visible {
  display: block;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-nav-list a {
  color: var(--color-text-main);
  font-size: 1.05rem;
  font-weight: 500;
  display: block;
}

/* Aesthetic: Dark glassmorphism */
.glass-panel {
  background: rgba(22, 26, 32, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(200, 209, 222, 0.12);
  border-radius: 4px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  position: relative;
}

.glass-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(230, 157, 36, 0.4), transparent);
  pointer-events: none;
}

/* Card Style: Horizontal split (media left, metadata+tags+CTA right) */
.card-horizontal-split {
  display: flex;
  flex-direction: row;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
  min-width: 0;
}

.card-horizontal-split:hover {
  border-color: rgba(230, 157, 36, 0.6);
  box-shadow: 0 0 20px rgba(230, 157, 36, 0.08);
}

.card-media {
  flex: 0 0 40%;
  position: relative;
  min-height: 240px;
  background-color: #121417;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-content {
  flex: 1 1 60%;
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  min-width: 0;
}

.card-tag-wrapper {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.card-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent-amber);
  background: rgba(230, 157, 36, 0.1);
  border: 1px solid rgba(230, 157, 36, 0.3);
  padding: 2px 8px;
  border-radius: 2px;
  text-transform: uppercase;
}

.card-title {
  font-size: 1.35rem;
  margin-top: 8px;
  margin-bottom: 8px;
}

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

.card-title a:hover {
  color: var(--color-accent-amber);
}

.card-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: flex;
  gap: 16px;
  margin-bottom: 8px;
}

.card-description {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #adbcd0;
}

.card-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-accent-amber);
  margin-top: auto;
}

/* Sections & Typography */
.main-content {
  flex: 1;
}

.section-spacing {
  padding-top: 64px;
  padding-bottom: 64px;
}

.hero-banner {
  background: radial-gradient(circle at 50% 20%, rgba(30, 38, 48, 0.8) 0%, rgba(13, 15, 18, 1) 75%);
  border-bottom: 1px solid var(--color-border-subtle);
  padding-top: 80px;
  padding-bottom: 64px;
  position: relative;
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-accent-amber);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-title {
  font-size: 2.75rem;
  max-width: 850px;
  margin-bottom: 24px;
}

.hero-lead {
  font-size: 1.2rem;
  max-width: 720px;
  color: #bdcadb;
  margin-bottom: 32px;
}

.technical-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.stat-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 24px;
  border-radius: 4px;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent-amber);
  font-family: var(--font-mono);
  margin-bottom: 12px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Content layout for subpages */
.article-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  margin-top: 40px;
}

.article-body {
  min-width: 0;
}

.article-body h2 {
  font-size: 1.75rem;
  margin-top: 40px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: 8px;
}

.article-body h3 {
  font-size: 1.25rem;
  margin-top: 24px;
  margin-bottom: 12px;
}

.article-body p {
  margin-bottom: 24px;
  line-height: 1.75;
}

.article-body ul, .article-body ol {
  margin-bottom: 24px;
  padding-left: 24px;
}

.article-body li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.spec-table-container {
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.spec-table th, .spec-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
}

.spec-table th {
  background-color: var(--color-surface-elevated);
  color: var(--color-text-main);
  font-weight: 600;
}

.spec-table tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.02);
}

.article-sidebar {
  min-width: 0;
}

.sidebar-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 24px;
  border-radius: 4px;
  margin-bottom: 24px;
}

.sidebar-title {
  font-size: 1.1rem;
  margin-bottom: 16px;
  color: var(--color-accent-silver);
  border-left: 3px solid var(--color-accent-amber);
  padding-left: 12px;
}

/* Forms */
.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--color-text-main);
}

.form-input, .form-textarea {
  width: 100%;
  background-color: #12151a;
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
  padding: 12px 16px;
  border-radius: 3px;
  font-family: inherit;
  font-size: 1rem;
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--color-accent-amber);
  outline: none;
  box-shadow: 0 0 0 1px var(--color-accent-amber);
}

.form-input.is-invalid, .form-textarea.is-invalid {
  border-color: #e54d42;
}

.form-error {
  color: #ff6b6b;
  font-size: 0.85rem;
  margin-top: 6px;
  display: none;
}

.form-error.is-visible {
  display: block;
}

.form-submit-btn {
  background-color: var(--color-accent-amber);
  color: #0d0f12;
  border: none;
  padding: 14px 28px;
  font-weight: 700;
  font-size: 1rem;
  border-radius: 3px;
  cursor: pointer;
  transition: background-color 0.15s;
}

.form-submit-btn:hover {
  background-color: #f7b443;
}

.alert-success {
  display: none;
  background-color: rgba(46, 204, 113, 0.15);
  border: 1px solid #2ecc71;
  color: #2ecc71;
  padding: 16px;
  border-radius: 4px;
  margin-bottom: 24px;
}

.alert-success.is-visible {
  display: block;
}

/* Footer */
.site-footer {
  background-color: #090a0d;
  border-top: 1px solid var(--color-border);
  padding-top: 64px;
  padding-bottom: 40px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-company-info p {
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.footer-heading {
  font-size: 1rem;
  color: var(--color-text-main);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

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

.footer-bottom {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(22, 26, 32, 0.95);
  backdrop-filter: blur(10px);
  border-top: 2px solid var(--color-accent-amber);
  padding: 24px;
  z-index: 9999;
  display: none;
}

.cookie-banner.is-visible {
  display: block;
}

.cookie-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cookie-text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.cookie-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.cookie-btn {
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 2px;
  cursor: pointer;
  border: 1px solid transparent;
}

.cookie-btn-accept {
  background-color: var(--color-accent-amber);
  color: #000;
}

.cookie-btn-reject {
  background-color: transparent;
  border-color: var(--color-border);
  color: var(--color-text-main);
}

.cookie-btn-pref {
  background-color: transparent;
  border-color: var(--color-text-muted);
  color: var(--color-text-muted);
}

/* Responsive adjustments */
@media (max-width: 900px) {
  .technical-grid {
    grid-template-columns: 1fr;
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .site-header {
    height: 52px;
  }
  .nav-desktop, .header-cta-btn {
    display: none;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .card-horizontal-split {
    flex-direction: column;
  }
  .card-media {
    flex: none;
    height: 200px;
    min-height: auto;
  }
  .card-content {
    padding: 24px 16px;
  }
  .hero-title {
    font-size: 2rem;
  }
}

@media (max-width: 400px) {
  .site-container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .hero-title {
    font-size: 1.75rem;
  }
  .cookie-actions {
    flex-direction: column;
    width: 100%;
  }
  .cookie-btn {
    width: 100%;
  }
}

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