/* Shared styles for aaronjacobson.xyz — draft buildout (2026-08-13) */
:root {
  --ink: #14161c;
  --muted: #6a7080;
  --soft: #8b91a1;
  --line: #e8e9ee;
  --bg: #fcfcfd;
  --card: #ffffff;
  --accent: #2b59ff;
  --accent-soft: #eaf0ff;
  --space-1: #0b1020;
  --space-2: #1b2550;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: saturate(180%) blur(12px);
  background: rgba(252,252,253,.82);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 880px; margin: 0 auto; padding: .85rem 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.nav-brand { font-weight: 700; letter-spacing: -0.01em; text-decoration: none; color: var(--ink); }
.nav-links { display: flex; gap: 1.1rem; flex-wrap: wrap; }
.nav-links a {
  text-decoration: none; color: var(--muted); font-size: .92rem; font-weight: 550;
  border-bottom: 1px solid transparent; padding-bottom: 1px;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--accent); border-color: var(--accent); }

/* ---------- Hero (dark) ---------- */
.hero {
  position: relative; color: #fff;
  background:
    radial-gradient(1100px 520px at 78% -8%, rgba(43,89,255,.55), transparent 60%),
    radial-gradient(800px 480px at 10% 0%, rgba(120,90,255,.30), transparent 55%),
    linear-gradient(160deg, var(--space-2), var(--space-1) 70%);
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(1.4px 1.4px at 20% 30%, rgba(255,255,255,.7), transparent),
    radial-gradient(1.2px 1.2px at 65% 18%, rgba(255,255,255,.55), transparent),
    radial-gradient(1.6px 1.6px at 82% 55%, rgba(255,255,255,.5), transparent),
    radial-gradient(1.1px 1.1px at 40% 70%, rgba(255,255,255,.45), transparent),
    radial-gradient(1.3px 1.3px at 90% 80%, rgba(255,255,255,.4), transparent);
  opacity: .8; pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; padding: 9vh 24px 6vh; }
.hero-portrait { width: 128px; height: 128px; border-radius: 50%; object-fit: cover; object-position: center 30%; border: 3px solid rgba(255,255,255,0.18); box-shadow: 0 6px 24px rgba(0,0,0,0.35); margin: 0 0 1.4rem; display: block; }
.eyebrow {
  display: inline-block; font-size: .76rem; letter-spacing: .16em; text-transform: uppercase;
  color: #cdd6ff; font-weight: 600; padding: .35rem .7rem;
  border: 1px solid rgba(255,255,255,.22); border-radius: 999px; margin-bottom: 1.4rem;
}
.hero h1 { font-size: clamp(2.2rem, 6vw, 3.4rem); line-height: 1.06; margin: 0 0 .6rem; letter-spacing: -0.03em; font-weight: 700; }
.hero .tagline { font-size: clamp(1.05rem, 2.4vw, 1.35rem); color: #d7ddf2; margin: 0 0 1.4rem; max-width: 40ch; }
.hero .lede { font-size: 1.04rem; color: #c2c9e0; margin: 0; max-width: 58ch; }
.hero-cta { margin-top: 2rem; display: flex; gap: .8rem; flex-wrap: wrap; }
.btn {
  display: inline-block; text-decoration: none; font-weight: 600; font-size: .96rem;
  padding: .7rem 1.2rem; border-radius: 10px;
  transition: transform .12s ease, background .2s ease, border-color .2s ease;
}
.btn-primary { background: #fff; color: var(--space-1); }
.btn-primary:hover { transform: translateY(-1px); background: #eef1ff; }
.btn-ghost { border: 1px solid rgba(255,255,255,.3); color: #fff; }
.btn-ghost:hover { transform: translateY(-1px); border-color: rgba(255,255,255,.6); }

/* ---------- Metrics band ---------- */
.metrics { max-width: 880px; margin: -3.2rem auto 0; padding: 0 24px; position: relative; z-index: 2; }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.metric {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 1.1rem 1rem; text-align: center; box-shadow: 0 14px 40px -28px rgba(20,30,80,.45);
}
.metric .num { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; color: var(--ink); }
.metric .lbl { font-size: .8rem; color: var(--muted); margin-top: .2rem; line-height: 1.35; }

/* ---------- Body ---------- */
.wrap { max-width: 760px; margin: 0 auto; padding: 4rem 24px 5rem; }
.wrap.narrow { max-width: 680px; }
section { margin: 0 0 3rem; }
section > h2 {
  font-size: .8rem; text-transform: uppercase; letter-spacing: .14em;
  color: var(--accent); font-weight: 700; margin: 0 0 1.1rem;
}
.prose h1 { font-size: clamp(1.9rem, 4.5vw, 2.6rem); line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 .4rem; }
.prose h3 { font-size: 1.25rem; margin: 2rem 0 .6rem; letter-spacing: -0.01em; }
.prose p { margin: 0 0 1.15rem; font-size: 1.08rem; }
.prose p:last-child { margin-bottom: 0; }
.prose ul { margin: 0 0 1.15rem; padding-left: 1.2rem; }
.prose li { margin: 0 0 .5rem; }
.lead { font-size: 1.18rem; color: var(--ink); }
.dek { color: var(--muted); font-size: 1rem; margin: 0 0 2rem; }

.roles { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.roles li { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 1.1rem 1.2rem; transition: border-color .2s ease, transform .12s ease; }
.roles li:hover { border-color: #cfd6ff; transform: translateY(-1px); }
.role-top { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.role-title { font-weight: 650; font-size: 1.02rem; }
.role-co { color: var(--accent); }
.role-meta { color: var(--soft); font-size: .82rem; white-space: nowrap; }
.role-note { color: var(--muted); font-size: .96rem; margin-top: .25rem; }

.skills { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-size: .85rem; color: var(--ink); background: var(--accent-soft); border: 1px solid #dbe5ff; padding: .35rem .7rem; border-radius: 999px; }

/* ---------- Cards / essay list ---------- */
.card-grid { display: grid; gap: 14px; }
.card {
  display: block; text-decoration: none; color: inherit;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 1.2rem 1.3rem; transition: border-color .2s ease, transform .12s ease;
}
.card:hover { border-color: #cfd6ff; transform: translateY(-1px); }
.card .kicker { font-size: .74rem; text-transform: uppercase; letter-spacing: .12em; color: var(--soft); font-weight: 600; }
.card h3 { margin: .35rem 0 .35rem; font-size: 1.16rem; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); font-size: .98rem; }
.card .more { display: inline-block; margin-top: .7rem; color: var(--accent); font-weight: 600; font-size: .92rem; }

.contact p { margin: 0 0 .4rem; }
.contact a { color: var(--accent); text-decoration: none; font-weight: 600; border-bottom: 1px solid transparent; padding-bottom: 1px; }
.contact a:hover { border-color: var(--accent); }

.backlink { display: inline-block; margin-bottom: 1.4rem; color: var(--accent); text-decoration: none; font-weight: 600; font-size: .92rem; }
.backlink:hover { text-decoration: underline; }

footer { border-top: 1px solid var(--line); margin-top: 1rem; padding-top: 1.6rem; color: var(--soft); font-size: .85rem; }
footer a { color: var(--soft); }

@media (max-width: 720px) { .metrics-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) {
  body { font-size: 17px; }
  .hero-inner { padding: 8vh 22px 5vh; }
  .wrap { padding: 3rem 22px 4rem; }
  .role-top { flex-direction: column; }
  .role-meta { white-space: normal; }
  .nav-links { gap: .8rem; }
}