/* ============================================
   Self-hosted fonts (no external font CDN —
   removes a third-party dependency and lets the
   CSP drop fonts.googleapis.com / fonts.gstatic.com)
   ============================================ */
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 500; font-display: swap; src: url('../fonts/space-grotesk-latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 600; font-display: swap; src: url('../fonts/space-grotesk-latin-600-normal.woff2') format('woff2'); }
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 700; font-display: swap; src: url('../fonts/space-grotesk-latin-700-normal.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 500; font-display: swap; src: url('../fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/ibm-plex-sans-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 500; font-display: swap; src: url('../fonts/ibm-plex-sans-latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 600; font-display: swap; src: url('../fonts/ibm-plex-sans-latin-600-normal.woff2') format('woff2'); }

/* ============================================
   Sean McNeeley — Design tokens
   Palette drawn from schema diagrams & terminal
   screens: documentation paper, database ink,
   and a muted phosphor-green accent.
   ============================================ */
:root {
  --paper: #EEF1EF;
  --paper-alt: #E3E8E5;
  --ink: #101C2C;
  --ink-soft: #44536A;
  --ink-faint: #5C6B7A;
  --line: #C7CFCB;
  --line-soft: #D8DEDA;
  --accent: #3F7D5C;
  --accent-bright: #4E9B72;
  --accent-ink: #1F3B2C;
  --white: #FFFFFF;

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', monospace;
  --font-body: 'IBM Plex Sans', system-ui, sans-serif;

  --max: 1120px;
  --max-narrow: 720px;
  --radius: 6px;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.15;
  margin: 0 0 0.6em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 600; }
h3 { font-size: 1.15rem; font-weight: 600; }

p { margin: 0 0 1em; color: var(--ink-soft); }

a { color: inherit; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.wrap-narrow { max-width: var(--max-narrow); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  z-index: 100;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus {
  left: 0;
}

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

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-ink);
  margin: 0 0 0.75em;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(238, 241, 239, 0.9);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--line-soft);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}
.mark {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
}
.mark-glyph { color: var(--accent); display: flex; }
.site-nav {
  display: none;
  gap: 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.site-nav a { text-decoration: none; color: var(--ink-soft); padding: 0.5rem 0; }
.site-nav a:hover { color: var(--accent-ink); }

@media (min-width: 860px) {
  .site-nav { display: flex; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  padding: 0.7rem 1.3rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent-ink);
  color: var(--white);
}
.btn-primary:hover { background: var(--accent); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-ink); }
.btn-lg { padding: 0.9rem 1.9rem; font-size: 0.95rem; }
.btn-nav { font-size: 0.78rem; padding: 0.55rem 1rem; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 1.75rem; }

/* ---------- Hero ---------- */
.hero {
  padding: 4.5rem 0 3.5rem;
  background:
    linear-gradient(180deg, #0C1622 0%, #101C2C 60%, #132133 100%);
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(180deg, #0C1622 0%, #101C2C 60%, #132133 100%);
  background-size: 40px 40px, 40px 40px, 100% 100%;
  position: relative;
}
.hero .eyebrow { color: var(--accent-bright); }
.hero h1 { color: var(--white); }
.hero .lede { color: rgba(255,255,255,0.72); }
.hero .btn-ghost { border-color: rgba(255,255,255,0.28); color: var(--white); }
.hero .btn-ghost:hover { border-color: var(--accent-bright); color: var(--accent-bright); }

.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}
.lede { font-size: 1.1rem; max-width: 46ch; }

.hero-art { display: none; }
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; }
  .hero-art { display: block; }
}

.hero .erd-line { stroke: rgba(255,255,255,0.22); }
.hero .erd-node { fill: var(--accent-bright); stroke: none; }
.hero .erd-box { stroke: rgba(255,255,255,0.3); fill: rgba(255,255,255,0.04); }
.hero .erd-box-accent { stroke: var(--accent-bright); fill: rgba(78,155,114,0.14); }
.hero .erd-label { font-family: var(--font-mono); font-size: 10px; fill: rgba(255,255,255,0.55); }
.hero .erd-label-accent { fill: var(--accent-bright); font-weight: 600; }

/* ---------- Stat strip ---------- */
.stat-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin: 2.75rem 0 0;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255,255,255,0.14);
}
.stat { min-width: 7rem; }
.stat dt {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 500;
  color: var(--white);
  line-height: 1;
}
.stat dd {
  margin: 0.4rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}

/* ---------- Sections ---------- */
.section { padding: 4rem 0; }
.section-alt { background: var(--paper-alt); }
.section-lede { max-width: 66ch; font-size: 1.05rem; margin-bottom: 2.25rem; }
@media (min-width: 900px) {
  .section { padding: 5.5rem 0; }
}

.card-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.5rem;
}
.card-grid-3 { grid-template-columns: 1fr; }
.card-grid-2 { grid-template-columns: 1fr; }
.card-grid-4 { grid-template-columns: 1fr; }
@media (min-width: 700px) {
  .card-grid-3 { grid-template-columns: repeat(3, 1fr); }
  .card-grid-2 { grid-template-columns: repeat(2, 1fr); }
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .card-grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.card-single {
  max-width: var(--max-narrow);
  margin-top: 1.5rem;
}

.card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 1.75rem 1.6rem 1.6rem;
  box-shadow: 0 1px 2px rgba(16,28,44,0.04);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.card::before,
.card::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border: 1.5px solid var(--line);
  transition: border-color 0.2s ease;
}
.card::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.card::after { bottom: -1px; right: -1px; border-left: none; border-top: none; }
.card:hover {
  border-color: var(--line-soft);
  transform: translateY(-3px);
  box-shadow: 0 14px 28px -16px rgba(16,28,44,0.3);
}
.card:hover::before,
.card:hover::after {
  border-color: var(--accent);
}
.card h3 { margin-bottom: 0.5em; }
.card p { margin: 0; font-size: 0.97rem; }

.card-cert { text-align: left; }
.cert-badge { color: var(--accent); margin-bottom: 0.75rem; }

/* ---------- Testimonial ---------- */
.testimonial blockquote { margin: 0; position: relative; padding-left: 1.75rem; border-left: 2px solid var(--accent); }
.testimonial p {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.6vw, 1.6rem);
  color: var(--ink);
  font-weight: 500;
  line-height: 1.4;
  margin: 0 0 1rem;
}
.testimonial footer {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-faint);
}
.testimonial cite { font-style: normal; color: var(--ink-soft); }

/* ---------- CTA band ---------- */
.cta-band {
  background:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px),
    var(--ink);
  background-size: 40px 40px, 40px 40px, 100% 100%;
}
.cta-inner { text-align: center; }
.cta-band h2 { color: var(--white); }
.cta-band p { color: rgba(255,255,255,0.7); margin-bottom: 1.75rem; }
.cta-band .btn-primary { background: var(--accent); }
.cta-band .btn-primary:hover { background: var(--accent-bright); }

/* ---------- Footer ---------- */
.site-footer { padding: 2.5rem 0; border-top: 1px solid var(--line-soft); }
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-faint);
}
.footer-linkedin { color: var(--accent-ink); text-decoration: none; }
.footer-linkedin:hover { text-decoration: underline; }
.copyright { margin: 0.5rem 0 0; }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}