/* gowtangent personal site — shared styles. Design tokens in :root, dark-first with a light override. */
:root {
  color-scheme: light dark;
  --bg: #0e1013;
  --bg-soft: #16191e;
  --card: #1b1f26;
  --line: rgba(255, 255, 255, 0.09);        /* alpha hairline: adapts to whatever is behind it */
  --line-strong: rgba(255, 255, 255, 0.16);
  --fg: #e9ecf1;
  --fg-dim: #9aa3b2;
  --accent: #6ea8fe;
  --accent-ink: #0b1b36;
  --good: #4ade80;
  --warn: #fbbf24;
  --radius: 14px;
  --maxw: 1040px;
  --gutter: clamp(16px, 5vw, 48px);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f7f6f3; --bg-soft: #eef0f2; --card: #ffffff; --line: rgba(17, 22, 30, 0.10); --line-strong: rgba(17, 22, 30, 0.18);
    --fg: #14171c; --fg-dim: #5b6472; --accent: #2563eb; --accent-ink: #ffffff;
  }
}
:root[data-theme="light"] {
  --bg: #f7f6f3; --bg-soft: #eef0f2; --card: #ffffff; --line: rgba(17, 22, 30, 0.10); --line-strong: rgba(17, 22, 30, 0.18);
  --fg: #14171c; --fg-dim: #5b6472; --accent: #2563eb; --accent-ink: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0; background: var(--bg); color: var(--fg); font-family: var(--font);
  line-height: 1.6; -webkit-font-smoothing: antialiased; min-height: 100vh;
  display: flex; flex-direction: column;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
::selection { background: color-mix(in srgb, var(--accent) 28%, transparent); color: var(--fg); }

/* scroll-reveal: hidden only when JS runs (html.js-reveal is set in <head>), so no-JS keeps content visible */
.js-reveal .card, .js-reveal .project { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.js-reveal .card.in, .js-reveal .project.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js-reveal .card, .js-reveal .project { opacity: 1; transform: none; transition: none; } }

/* small mono number for the numbered editorial labels */
.num { font-family: var(--font-mono); color: var(--accent); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.02em; }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }

/* header / footer (web components) */
.site-header { position: sticky; top: 0; z-index: 10; -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 82%, transparent); border-bottom: 1px solid var(--line); }
.site-header .bar { display: flex; align-items: center; gap: 20px; height: 62px; }
.brand { font-weight: 700; letter-spacing: -0.02em; color: var(--fg); font-size: 1.05rem; }
.brand .dot { color: var(--accent); }
.nav { display: flex; gap: 6px; margin-left: auto; align-items: center; }
.nav a:not(.btn) { color: var(--fg-dim); padding: 8px 12px; border-radius: 9px; font-size: 0.95rem; }
.nav a:not(.btn):hover { color: var(--fg); background: var(--bg-soft); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--fg); }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 10px;
  font-weight: 600; font-size: 0.95rem; border: 1px solid transparent; cursor: pointer; }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.07); text-decoration: none; }
.btn-ghost { border-color: var(--line); color: var(--fg); background: transparent; }
.btn-ghost:hover { background: var(--bg-soft); text-decoration: none; }
.btn.copied { color: var(--good); border-color: var(--good); }

/* Homelab dropdown: revealed on hover, keyboard focus, or click (touch) */
.has-menu { position: relative; display: inline-flex; }
.nav-trigger { font: inherit; font-size: 0.95rem; color: var(--fg-dim); background: transparent; border: 0; cursor: pointer;
  padding: 8px 12px; border-radius: 9px; display: inline-flex; align-items: center; gap: 5px; }
.nav-trigger:hover, .has-menu:focus-within .nav-trigger, .has-menu.open .nav-trigger { color: var(--fg); background: var(--bg-soft); }
.menu { position: absolute; top: calc(100% + 6px); right: 0; min-width: 160px; display: none; flex-direction: column;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 6px; z-index: 20;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.28); }
.has-menu:hover .menu, .has-menu:focus-within .menu, .has-menu.open .menu { display: flex; }
.menu a { color: var(--fg); padding: 9px 12px; border-radius: 8px; font-size: 0.95rem; }
.menu a:hover { background: var(--bg-soft); text-decoration: none; }

.site-footer { margin-top: auto; border-top: 1px solid var(--line); color: var(--fg-dim); font-size: 0.88rem; }
.site-footer .bar { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; padding-block: 22px; }
@media (max-width: 560px) {
  .site-header .bar { flex-wrap: wrap; height: auto; padding-block: 10px; gap: 8px 8px; }
  .brand { white-space: nowrap; }
  .nav { margin-left: 0; width: 100%; gap: 2px; flex-wrap: wrap; }
  .nav a:not(.btn) { padding: 8px 10px; }
  .nav .has-menu { margin-left: auto; }
}
.site-footer .spacer { margin-left: auto; }
.site-footer a { color: var(--fg-dim); }
.site-footer a:hover { color: var(--fg); }

/* generic layout */
main { flex: 1; }
.section { padding-block: clamp(40px, 8vw, 96px); }
.eyebrow { font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.74rem; font-weight: 600; color: var(--accent); }
h1 { font-size: clamp(2.2rem, 6vw, 3.6rem); line-height: 1.05; letter-spacing: -0.03em; margin: 0.4rem 0 1rem; }
h2 { font-size: clamp(1.4rem, 3.5vw, 2rem); letter-spacing: -0.02em; margin: 0 0 0.6rem; }
.lead { font-size: clamp(1.05rem, 2.2vw, 1.25rem); color: var(--fg-dim); max-width: 60ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.grid { display: grid; gap: 18px; }
.grid.cols-3 { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; color: inherit; }
a:focus-visible, .btn:focus-visible, .card:focus-visible, .nav-trigger:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 10px; }
.card h3 { margin: 0 0 6px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--fg-dim); font-size: 0.92rem; }
.muted { color: var(--fg-dim); }
.tag { display: inline-block; font-size: 0.72rem; font-weight: 600; padding: 2px 8px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--fg-dim); }

.hero p.lead { margin-top: 10px; }
.currently { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 26px; font-size: 0.9rem; color: var(--fg-dim); }
.chip { display: inline-flex; align-items: center; gap: 7px; padding: 5px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--fg); background: var(--card); }
.chip .pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--good); }

/* project list (Work) */
.projects { display: flex; flex-direction: column; gap: 14px; margin-top: 28px; }
.project { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.project .meta { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: baseline; }
.project h2 { font-size: 1.3rem; margin: 0; letter-spacing: -0.02em; }
.project[id] { scroll-margin-top: 80px; }
.project .role { color: var(--fg-dim); font-size: 0.86rem; }
.project .year { margin-left: auto; color: var(--fg-dim); font-size: 0.82rem; font-family: var(--font-mono); }
.project p { margin: 12px 0 0; color: var(--fg); opacity: 0.92; }
.project p + p { margin-top: 10px; }
.project .stack { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.project .stack span { font-size: 0.74rem; font-family: var(--font-mono); color: var(--fg-dim);
  border: 1px solid var(--line); border-radius: 7px; padding: 3px 8px; }
.project .links { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 16px; font-size: 0.9rem; }
.project.featured { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }

/* prose (About) */
.prose { max-width: 68ch; }
.prose p { margin: 0 0 16px; }
.prose h2 { margin-top: 36px; }