/* ── Reset & Core Variables ─────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-main:      #f8fafc; /* Crisp, architectural warm white */
  --bg-surface:   #ffffff; /* Stark pure white for cards/surfaces to blend logo */
  --accent-teal:  #0d9488; /* Deep, executive, ultra-readable premium teal */
  --text-main:    #0f172a; /* Slate 900 for razor-sharp typography */
  --text-muted:   #475569; /* Slate 600 for descriptions */
  --text-dark:    #94a3b8; /* Slate 400 for subtext and tokens */
  --border-line:  #e2e8f0; /* Soft Slate 200 border lines */
  --border-glow:  #cbd5e1; /* Hover border slate lines */
  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-main);
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.teal { 
  color: var(--accent-teal); 
}

/* ── Navigation Header ───────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 250, 252, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-line);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-mark {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Enhancing logo render symmetry */
.logo-mark img {
  border-radius: 4px;
  mix-blend-mode: multiply; /* Ensures any slight background variation perfectly flattens */
}

.logo-text {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.15em;
  color: var(--text-main);
}

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

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: color 0.2s ease;
}

nav a:hover { 
  color: var(--text-main); 
}

nav .nav-btn {
  color: var(--text-main);
  border: 1px solid var(--border-line);
  padding: 6px 14px;
  border-radius: 4px;
  background: var(--bg-surface);
  transition: all 0.2s ease;
}

nav .nav-btn:hover {
  background: var(--text-main);
  color: var(--bg-main);
  border-color: var(--text-main);
}

/* ── Buttons & Action Control ──────────────────────────── */
.btn-primary {
  display: inline-block;
  background: var(--text-main);
  color: var(--bg-main);
  padding: 12px 24px;
  border-radius: 4px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--text-main);
  transition: background 0.2s ease, color 0.2s ease, transform 0.1s ease;
}

.btn-primary:hover {
  background: transparent;
  color: var(--text-main);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-block;
  border: 1px solid var(--border-line);
  background: var(--bg-surface);
  color: var(--text-main);
  padding: 12px 24px;
  border-radius: 4px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: border-color 0.2s ease, background 0.2s ease;
}

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

/* ── Section Scaffolding ───────────────────── */
section {
  padding: 112px 0;
  border-bottom: 1px solid var(--border-line);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent-teal);
  margin-bottom: 20px;
}

.section-sub {
  color: var(--text-muted);
  font-size: 18px;
  max-width: 720px;
  margin-bottom: 56px;
}

/* ── Hero Component ─────────────────────────────── */
#hero {
  padding: 140px 0 112px;
  background: radial-gradient(circle at 80% 20%, rgba(13, 148, 136, 0.04) 0%, transparent 60%);
}

#hero .label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--text-dark);
  margin-bottom: 24px;
}

#hero h1 {
  font-size: clamp(34px, 4.5vw, 56px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-main);
  margin-bottom: 28px;
}

#hero .subhead {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 760px;
  margin-bottom: 44px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ── The Governance Gap Layout ──────────────────────────── */
.gap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.gap-card {
  border: 1px solid var(--border-line);
  padding: 28px;
  border-radius: 6px;
  background: var(--bg-surface);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.gap-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
}

.gap-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.gap-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 12px;
}

.gap-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Suite Architecture Component ────────────────────────────── */
.suite-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.tool-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  padding: 36px;
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 32px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.tool-card:hover {
  border-color: var(--border-glow);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.04);
}

.tool-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.tool-name {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 14px;
}

.tool-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

.tool-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.tool-specs span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-main);
  border: 1px solid var(--border-line);
  padding: 4px 10px;
  border-radius: 4px;
}

.tool-link {
  color: var(--accent-teal);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: opacity 0.2s ease;
}

.tool-link:hover {
  opacity: 0.8;
}

/* ── Benchmarks & Research Grid ─────────────────────────── */
.research-block {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  border: 1px solid var(--border-line);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 28px;
}

.research-stat {
  background: var(--bg-surface);
  padding: 40px 24px;
  text-align: center;
  border-right: 1px solid var(--border-line);
}

.research-stat:last-child {
  border-right: none;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1;
  margin-bottom: 12px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

.research-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.research-caption {
  font-size: 13px;
  color: var(--text-muted);
  max-width: 600px;
}

/* ── Recognition Layer ──────────────────────── */
.cred-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.cred-item {
  border: 1px solid var(--border-line);
  padding: 20px 24px;
  border-radius: 4px;
  background: var(--bg-surface);
}

.cred-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.cred-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--accent-teal);
}

/* ── Contact Pipeline ──────────────────────────── */
#contact {
  text-align: center;
}

.contact-text {
  color: var(--text-muted);
  font-size: 18px;
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.65;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin-top: 40px;
}

.contact-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s ease;
}

.contact-links a:hover { 
  color: var(--accent-teal); 
}

/* ── Footer ───────────────────────────── */
footer {
  padding: 40px 0;
  border-top: 1px solid var(--border-line);
  background: var(--bg-surface);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-copy {
  font-size: 13px;
  color: var(--text-dark);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.2s ease;
}

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

/* ── Mobile Layout Adjustments ───────────────────────────── */
@media (max-width: 768px) {
  .container { padding: 0 24px; }
  header { padding: 8px 0; }
  .header-inner { flex-direction: column; gap: 14px; text-align: center; }
  nav { gap: 16px; flex-wrap: wrap; justify-content: center; }
  section { padding: 72px 0; }
  #hero { padding: 100px 0 72px; }
  #hero h1 { font-size: 32px; }
  .hero-actions { flex-direction: column; }
  .hero-actions a { text-align: center; }
  .research-block { grid-template-columns: 1fr; }
  .research-stat { border-right: none; border-bottom: 1px solid var(--border-line); }
  .research-stat:last-child { border-bottom: none; }
  .research-footer { flex-direction: column; text-align: center; }
  .footer-inner { flex-direction: column; text-align: center; gap: 16px; }
}
//artonexa