:root {
  --navy: #1F3864;
  --blue: #2E75B6;
  --signal: #39B8A0;
  --ink: #20242B;
  --paper: #FAFBFD;
  --line: #D9E1EC;
  --display: "Space Grotesk", sans-serif;
  --body: "IBM Plex Sans", sans-serif;
  --mono: "IBM Plex Mono", monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--body);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
}

main, .nav-inner, .footer { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

a { color: var(--blue); }
a:focus-visible, .btn:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}

h1, h2, h3, .wordmark { font-family: var(--display); color: var(--navy); }
h1 { font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 700; line-height: 1.08; letter-spacing: -0.02em; }
h2 { font-size: 1.6rem; font-weight: 700; margin-bottom: 0.6rem; }
h3 { font-size: 1.35rem; font-weight: 600; margin: 0.35rem 0; }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--blue);
  margin-bottom: 0.9rem;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(250, 251, 253, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 8px 20px; padding-top: 14px; padding-bottom: 14px;
}
.wordmark {
  font-size: 1.35rem; font-weight: 700; letter-spacing: -0.03em;
  text-decoration: none; color: var(--navy);
}
.wordmark .ai { color: var(--blue); }
.nav-links { display: flex; flex-wrap: wrap; gap: 6px 22px; }
.nav-links a {
  font-size: 0.95rem; font-weight: 500; text-decoration: none; color: var(--ink);
}
.nav-links a:hover { color: var(--blue); }

/* ---------- Hero ---------- */
.hero { padding: 96px 0 72px; }
.hero > * { animation: rise 250ms ease-out both; }
.hero > *:nth-child(2) { animation-delay: 60ms; }
.hero > *:nth-child(3) { animation-delay: 120ms; }
.hero > *:nth-child(4) { animation-delay: 180ms; }
.hero > *:nth-child(5) { animation-delay: 240ms; }
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
.underline-signal {
  box-shadow: inset 0 -0.18em 0 0 var(--signal);
}
.tagline {
  font-family: var(--display); font-weight: 600; font-size: 1.25rem;
  color: var(--blue); margin: 1.1rem 0 1rem;
}
.hero-copy { max-width: 640px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 1.8rem; }
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 10px;
  font-family: var(--display); font-weight: 600; font-size: 1rem;
  text-decoration: none; transition: background-color 160ms, color 160ms, border-color 160ms;
}
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--blue); }
.btn-outline { border: 1.5px solid var(--line); color: var(--navy); }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }

/* ---------- Sections ---------- */
.section { padding: 64px 0; border-top: 1px solid var(--line); }
.section-intro { max-width: 640px; margin-bottom: 2.2rem; }

/* ---------- Lab grid ---------- */
.grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
}
.card {
  border: 1px solid var(--line); border-radius: 10px;
  background: #fff; padding: 18px 22px 24px;
  box-shadow: 0 1px 3px rgba(31, 56, 100, 0.08);
  transition: border-color 180ms;
}
.card:hover { border-color: var(--blue); }
.shot {
  position: relative; aspect-ratio: 16 / 10; border-radius: 6px;
  overflow: hidden; margin-bottom: 14px; border: 1px solid var(--line);
}
.shot img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; display: block;
}
.ph {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  color: #fff; font-family: var(--mono); font-size: 0.9rem; letter-spacing: 0.12em;
}
.meta {
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.03em;
  color: var(--ink); opacity: 0.85;
}
.dot { color: var(--blue); }
.dot.shipped { color: var(--signal); }

/* ---------- Experience / Speaking ---------- */
.xp { margin: 1.2rem 0 1.4rem; }
.xp-row {
  display: grid; grid-template-columns: 220px 1fr; gap: 10px 28px;
  padding: 18px 0; border-bottom: 1px solid var(--line);
}
.xp-row:last-child { border-bottom: none; }
.xp-label { font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.05em; color: var(--navy); padding-top: 4px; }

.about-copy { max-width: 680px; }

.speak-photos { margin: 1.8rem 0 1.4rem; }
.speak-photos figure { margin: 0; }
.speak-photos .shot { margin-bottom: 8px; }
.speak-photos figcaption { font-size: 0.72rem; }

/* ---------- Contact / Footer ---------- */
.contact { padding-bottom: 80px; }
.contact-links { display: flex; flex-wrap: wrap; gap: 12px 36px; margin-top: 1rem; }
.contact-links a {
  font-family: var(--display); font-weight: 600; font-size: 1.35rem;
  text-decoration: none;
}
.contact-links a:hover { color: var(--navy); }
.footer {
  border-top: 1px solid var(--line); background: var(--navy); color: #C9D4E6;
  max-width: none; padding: 28px 24px; text-align: center;
  font-family: var(--mono); font-size: 0.8rem; line-height: 1.9;
}

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .grid { grid-template-columns: 1fr; }
  .xp-row { grid-template-columns: 1fr; gap: 4px; }
  .hero { padding: 64px 0 56px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero > * { animation: none; }
  .btn, .card { transition: none; }
}