/* Anti Blue Studio — Modern Restrained Production Aesthetic */
:root {
  --bg-main: #07090e;
  --bg-surface: #0e121a;
  --bg-card: #131822;
  --bg-card-hover: #18202d;
  --border-subtle: #1c2433;
  --border-active: #2a374d;
  
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-cyan: #38bdf8;
  --accent-blue: #2563eb;
  --accent-glow: rgba(56, 189, 248, 0.12);
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", "Helvetica Neue", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  
  --container-max: 1160px;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at 50% 0%, #111a2e 0%, #07090e 70%);
  background-attachment: fixed;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography Helpers */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-cyan);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.65;
  margin-bottom: 36px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-mark {
  display: flex;
  align-items: center;
}

.brand-text {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links .nav-cta {
  padding: 6px 14px;
  border-radius: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--accent-cyan);
}

.nav-links .nav-cta:hover {
  border-color: var(--accent-cyan);
  background: var(--bg-card-hover);
}

/* Hero Section */
.hero-section {
  padding: 100px 0 80px;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-container {
  max-width: 920px;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
  background: var(--accent-glow);
  padding: 6px 14px;
  border-radius: 9999px;
  border: 1px solid rgba(56, 189, 248, 0.25);
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: 24px;
}

.hero-description {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 800px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 56px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--accent-cyan);
  color: #040914;
}

.btn-primary:hover {
  background: #7dd3fc;
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.35);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: var(--bg-card);
  border-color: var(--border-active);
}

/* Specs Strip */
.hero-specs-strip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  padding: 18px 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.spec-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.spec-value {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
}

.spec-divider {
  width: 1px;
  height: 28px;
  background: var(--border-subtle);
}

/* General Sections */
.section {
  padding: 88px 0;
  border-bottom: 1px solid var(--border-subtle);
}

/* Overview Section */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 24px;
  margin-top: 32px;
}

.overview-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 32px;
  transition: border-color 0.2s ease;
}

.overview-card:hover {
  border-color: var(--border-active);
}

.overview-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.overview-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* Systems Section */
.section-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
}

.status-note {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

.systems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 330px), 1fr));
  gap: 28px;
}

.system-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.system-card:hover {
  border-color: var(--border-active);
  transform: translateY(-2px);
}

.card-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.card-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.card-desc {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 24px;
}

.card-details {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

.detail-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.detail-list {
  list-style: none;
}

.detail-list li {
  font-size: 0.86rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 16px;
  margin-bottom: 8px;
}

.detail-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--text-muted);
}

.card-footer {
  margin-top: 24px;
}

.status-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 4px;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

/* Pipeline Flow */
.pipeline-flow {
  display: grid;
  grid-template-columns: repeat(6, 1fr) auto;
  gap: 12px;
  align-items: center;
  margin-bottom: 48px;
  overflow-x: auto;
  padding-bottom: 12px;
}

.pipeline-flow {
  display: flex;
  align-items: stretch;
  gap: 8px;
}

.flow-step {
  flex: 1;
  min-width: 140px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 18px 14px;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 6px;
}

.flow-step h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.flow-step p {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.flow-arrow {
  display: flex;
  align-items: center;
  color: var(--text-muted);
  font-size: 1.1rem;
  padding: 0 4px;
}

/* Architecture Diagram Box */
.architecture-diagram-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
}

.box-header {
  background: var(--bg-card);
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.box-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

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

.box-body {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.top-layer, .bottom-layer {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 20px;
}

.layer-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent-cyan);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.layer-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.layer-connector {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 4px 0;
}

/* Technology Grid */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.tech-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 28px;
}

.tech-category {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.tech-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.tech-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* About Section */
.about-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}

.about-highlight {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: 14px;
}

.about-right p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 18px;
}

.about-right p strong {
  color: var(--text-primary);
}

.about-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.fact-block {
  flex: 1;
  min-width: 140px;
  overflow-wrap: anywhere;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 16px;
}

.fact-val {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.fact-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* Contact Section */
.contact-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 48px;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.contact-description {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 28px;
}

.contact-email-wrapper {
  display: inline-block;
  max-width: 100%;
  margin-bottom: 20px;
}

.contact-email-link {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 14px 28px;
  border-radius: 8px;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.contact-email-link span { min-width: 0; overflow-wrap: anywhere; }
.contact-email-link svg { flex-shrink: 0; }
.about-left, .about-right, .footer-left, .footer-right, .footer-col { min-width: 0; }
.footer-detail { overflow-wrap: anywhere; }

.contact-email-link:hover {
  border-color: var(--accent-cyan);
  background: var(--bg-card-hover);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.2);
}

.contact-note {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.contact-note strong {
  color: var(--text-secondary);
}

/* Footer */
.site-footer {
  background: #04060a;
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 40px;
  margin-top: auto;
}

.footer-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
}

.footer-brand {
  margin-bottom: 12px;
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 16px;
  max-width: 420px;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

.footer-right {
  display: flex;
  gap: 48px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.col-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.footer-col a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--accent-cyan);
}

.footer-detail {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-detail.email-link {
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .pipeline-flow {
    flex-direction: column;
  }
  .flow-arrow {
    justify-content: center;
    transform: rotate(90deg);
    padding: 6px 0;
  }
  .about-wrapper {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }
  .footer-container {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 680px) {
  .nav-links {
    display: none; /* simple mobile */
  }
  .hero-title {
    font-size: 2.1rem;
  }
  .hero-specs-strip {
    flex-direction: column;
    align-items: flex-start;
  }
  .spec-divider {
    display: none;
  }
  .hero-actions {
    flex-direction: column;
  }
  .contact-box {
    padding: 32px 20px;
  }
  .contact-email-link {
    font-size: 0.95rem;
    padding: 12px 18px;
  }
  .footer-right { flex-wrap: wrap; gap: 28px; }
}

/* antiblue studio: approved connected brand name and vector lockup */
.brand-logo { display: block; width: 240px; height: 48px; max-width: 100%; }
@media (min-width: 681px) and (max-width: 1050px) { .nav-links { gap: 12px; } .nav-links a { font-size: .8rem; } .brand-logo { width: 210px; height: 42px; } }
.brand { flex-shrink: 0; }
@media (max-width: 800px) { .nav-links { display: none; } }