/* ── Axiom Systems · Global Stylesheet ── */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Mono:wght@300;400;500&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&display=swap');

:root {
  --bg:        #0a0c0f;
  --bg2:       #111418;
  --bg3:       #181c22;
  --border:    #1f2530;
  --text:      #c8d0dc;
  --text-dim:  #5a6478;
  --text-mute: #2e3848;
  --accent:    #00e5a0;
  --accent2:   #0099ff;
  --accent3:   #ff6b35;
  --white:     #f0f4fa;
  --radius:    6px;
  --nav-h:     64px;
  --font-serif: 'DM Serif Display', Georgia, serif;
  --font-sans:  'DM Sans', system-ui, sans-serif;
  --font-mono:  'DM Mono', 'Fira Code', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  min-height: 100vh;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(10,12,15,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 2rem;
  gap: 2rem;
}

.nav-logo {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--white);
  text-decoration: none;
  letter-spacing: -0.02em;
  margin-right: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo span {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
}

nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 400;
  transition: color 0.15s;
  position: relative;
}
nav a:hover, nav a.active { color: var(--white); }
nav a.active::after {
  content: '';
  position: absolute;
  bottom: -22px;
  left: 0; right: 0;
  height: 1px;
  background: var(--accent);
}

.nav-cta {
  margin-left: 1rem;
  padding: 0.4rem 1rem;
  background: var(--accent);
  color: var(--bg) !important;
  font-weight: 600 !important;
  border-radius: var(--radius);
  font-size: 0.825rem !important;
  transition: opacity 0.15s !important;
}
.nav-cta:hover { opacity: 0.85; }
.nav-cta::after { display: none !important; }

/* ── LAYOUT ── */
.container { max-width: 1120px; margin: 0 auto; padding: 0 2rem; }
.page-header {
  padding: 5rem 0 3rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4rem;
}
.page-header .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.page-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--white);
  line-height: 1.1;
  font-weight: 400;
}
.page-header p {
  margin-top: 1rem;
  max-width: 560px;
  color: var(--text-dim);
  font-size: 1rem;
}

/* ── HERO (home only) ── */
.hero {
  padding: 8rem 0 6rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0,229,160,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.hero .eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px; height: 1px;
  background: var(--accent);
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  color: var(--white);
  line-height: 1.05;
  max-width: 800px;
  font-weight: 400;
}
.hero h1 em { color: var(--accent); font-style: italic; }
.hero p {
  margin-top: 1.5rem;
  max-width: 520px;
  color: var(--text-dim);
  font-size: 1.05rem;
}
.hero-actions { margin-top: 2.5rem; display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.15s;
  cursor: pointer;
  border: none;
}
.btn-primary { background: var(--accent); color: var(--bg); }
.btn-primary:hover { opacity: 0.85; }
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--text-dim); color: var(--white); }

/* ── CARDS ── */
.grid { display: grid; gap: 1.5px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card .icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  display: block;
}
.card h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.5rem;
}
.card p { color: var(--text-dim); font-size: 0.9rem; }
.card a.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 1rem;
  font-size: 0.825rem;
  color: var(--accent);
  text-decoration: none;
}
.card a.card-link:hover { gap: 0.5rem; }

/* ── TAGS / BADGES ── */
.tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
}
.tag-green { border-color: var(--accent); color: var(--accent); background: rgba(0,229,160,0.06); }
.tag-blue  { border-color: var(--accent2); color: var(--accent2); background: rgba(0,153,255,0.06); }
.tag-orange{ border-color: var(--accent3); color: var(--accent3); background: rgba(255,107,53,0.06); }

/* ── SECTION TITLE ── */
.section { padding: 5rem 0; }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  color: var(--white);
  font-weight: 400;
  margin-bottom: 0.75rem;
}
.section-sub { color: var(--text-dim); max-width: 480px; font-size: 0.95rem; margin-bottom: 3rem; }

/* ── BREADCRUMB ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-mute);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--text-dim); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: var(--text-mute); }

/* ── DIVIDER ── */
hr.section-hr { border: none; border-top: 1px solid var(--border); margin: 3rem 0; }

/* ── STAT ROW ── */
.stats { display: flex; gap: 3rem; flex-wrap: wrap; padding: 3rem 0; border-top: 1px solid var(--border); }
.stat-item {}
.stat-item .num {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--white);
  line-height: 1;
}
.stat-item .label { font-size: 0.8rem; color: var(--text-dim); margin-top: 0.25rem; }

/* ── TABLE ── */
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-mute);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}
td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: 0.9rem;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg2); }

/* ── CODE BLOCK ── */
pre, code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
pre {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  overflow-x: auto;
  color: var(--accent);
  margin: 1.5rem 0;
}

/* ── SIDEBAR LAYOUT ── */
.with-sidebar { display: grid; grid-template-columns: 220px 1fr; gap: 3rem; align-items: start; }
.sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 2rem);
}
.sidebar-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.sidebar nav { display: flex; flex-direction: column; gap: 0.1rem; }
.sidebar nav a {
  padding: 0.4rem 0.75rem;
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--text-dim);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: all 0.15s;
}
.sidebar nav a:hover { color: var(--white); background: var(--bg2); }
.sidebar nav a.active { color: var(--accent); border-left-color: var(--accent); background: rgba(0,229,160,0.04); }

/* ── PROSE ── */
.prose h2 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--white);
  margin: 2.5rem 0 1rem;
  font-weight: 400;
}
.prose h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin: 2rem 0 0.5rem;
}
.prose p { margin-bottom: 1rem; color: var(--text); }
.prose ul, .prose ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.prose li { margin-bottom: 0.4rem; color: var(--text); }
.prose a { color: var(--accent); text-decoration: none; }
.prose a:hover { text-decoration: underline; }

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0;
  margin-top: 6rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr repeat(3, auto);
  gap: 3rem;
  align-items: start;
}
.footer-brand { font-family: var(--font-mono); font-size: 0.9rem; color: var(--white); margin-bottom: 0.5rem; }
.footer-brand-sub { font-size: 0.8rem; color: var(--text-mute); }
.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: var(--text-dim);
  text-decoration: none;
  margin-bottom: 0.4rem;
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-mute);
  display: flex;
  justify-content: space-between;
}

@media (max-width: 768px) {
  .with-sidebar { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  nav > a:not(.nav-cta):not(.nav-logo) { display: none; }
}