/* derek.theinformed.org — compact portfolio and resume */

:root {
  color-scheme: dark;
  --void: #02070c;
  --surface: #020a10;
  --surface-2: #05131d;
  --surface-3: #09202b;
  --line: rgba(132, 194, 214, 0.18);
  --line-strong: rgba(132, 220, 235, 0.38);
  --text: #edf8fb;
  --muted: #8da8b3;
  --quiet: #668794;
  --cyan: #29d4e3;
  --cyan-bright: #5ce8f1;
  --amber: #f5c96a;
  --coral: #ff7b78;
  --violet: #a98cff;
  --mint: #76e6a5;
  --radius: 12px;
  --content-width: 1000px;
  --mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
}

.accent-cyan { --accent: var(--cyan); }
.accent-violet { --accent: var(--violet); }
.accent-amber { --accent: var(--amber); }
.accent-mint { --accent: var(--mint); }
.accent-coral { --accent: var(--coral); }

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 74px;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 14% -8%, rgba(24, 127, 151, 0.2), transparent 38%),
    radial-gradient(circle at 88% 5%, rgba(105, 78, 187, 0.1), transparent 31%),
    var(--void);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  line-height: 1.55;
}

a { color: inherit; }

.skip-link {
  position: absolute;
  top: -48px;
  left: 12px;
  z-index: 50;
  padding: 8px 14px;
  border-radius: 8px;
  background: var(--cyan);
  color: #001217;
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus-visible { top: 10px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 64px;
  padding: 7px clamp(16px, 4vw, 34px);
  border-bottom: 1px solid var(--line);
  background: rgba(2, 10, 16, 0.88);
  backdrop-filter: blur(9px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  width: 34px;
  height: 34px;
  color: var(--cyan);
}

.brand-mark svg { width: 100%; height: 100%; }

.brand-text { display: flex; flex-direction: column; gap: 1px; }

.brand-text strong {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.13em;
}

.brand-text small {
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.54rem;
  letter-spacing: 0.16em;
}

.topnav {
  display: flex;
  gap: 2px;
  margin-left: auto;
}

.topnav a,
.contact-chip {
  padding: 7px 11px;
  border-radius: 9px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 650;
  text-decoration: none;
}

.topnav a:hover,
.topnav a:focus-visible { color: var(--cyan-bright); background: rgba(41, 212, 227, 0.08); }

.contact-chip {
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.66rem;
}

.contact-chip:hover,
.contact-chip:focus-visible { border-color: var(--line-strong); color: var(--cyan-bright); }

main > section,
.foot-inner {
  width: min(100%, calc(var(--content-width) + 80px));
  margin: 0 auto;
  padding-left: clamp(18px, 5vw, 40px);
  padding-right: clamp(18px, 5vw, 40px);
}

main > section { padding-top: clamp(34px, 4.5vw, 52px); padding-bottom: clamp(34px, 4.5vw, 52px); }

.kicker,
.group-label {
  margin: 0 0 8px;
  color: var(--accent, var(--cyan));
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.2;
  text-transform: uppercase;
}

h1,
h2,
h3 { margin-top: 0; }

h1 {
  max-width: 620px;
  margin-bottom: 12px;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 720;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(1.45rem, 3.2vw, 2rem);
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.hero {
  padding-top: clamp(38px, 5vw, 58px);
  padding-bottom: clamp(32px, 4vw, 46px);
}

.hero-lead {
  max-width: 660px;
  margin: 0 0 18px;
  color: var(--muted);
  font-size: clamp(0.96rem, 1.5vw, 1.05rem);
  line-height: 1.62;
}

.jump-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.jump-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(17, 50, 64, 0.3);
  font-size: 0.76rem;
  font-weight: 650;
  text-decoration: none;
}

.jump-links span { color: var(--cyan); }
.jump-links a:hover,
.jump-links a:focus-visible { border-color: var(--line-strong); color: var(--cyan-bright); }

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.82fr);
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}

.section-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.featured-project {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 34px;
  align-items: start;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(118, 230, 165, 0.04), transparent 68%);
}

.featured-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.featured-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.65;
}

.featured-copy a {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
  text-decoration: none;
}

.featured-copy a:hover,
.featured-copy a:focus-visible { color: var(--mint); }

.site-families {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 38px;
}

.site-family {
  padding-top: 15px;
  border-top: 1px solid var(--line);
}

.navy-family { border-top-color: rgba(118, 230, 165, 0.28); }

/* Navy and AI/ML share ONE grid cell (column 2) and stack inside it, so AI/ML
   butts up directly under Navy. Placing it with grid-column:2 instead put it in
   grid ROW 2, whose top is set by the tallest row-1 item -- the IW column with
   seven links -- leaving a large dead gap under Navy. */
.family-stack {
  display: grid;
  gap: 34px;
  align-content: start;
}

.aiml-family { border-top-color: rgba(183, 155, 255, 0.30); }

.family-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}

.family-heading .group-label { margin: 0; color: var(--cyan); }
.navy-family .group-label { color: var(--mint); }

.family-heading h3 {
  margin: 0;
  font-size: 1.14rem;
  letter-spacing: -0.02em;
}

.site-list { display: grid; }

.site-link {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  min-height: 64px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
}

.site-icon {
  display: inline-flex;
  width: 32px;
  height: 32px;
  color: var(--accent, var(--cyan));
}

.site-icon svg { width: 100%; height: 100%; }

.site-link strong,
.site-link small { display: block; }

.site-link strong {
  font-size: 0.9rem;
  letter-spacing: -0.01em;
}

.site-link small {
  margin-top: 2px;
  color: var(--quiet);
  font-size: 0.75rem;
  line-height: 1.42;
}

.site-link i,
.suite-link i {
  color: var(--accent, var(--quiet));
  font-style: normal;
  transition: transform 150ms ease;
}

.site-link:hover strong,
.site-link:focus-visible strong { color: var(--accent, var(--cyan-bright)); }
.site-link:hover i,
.site-link:focus-visible i { transform: translateX(3px); }

.suite-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 11px 0 0;
  border-top: 1px dashed var(--line);
  color: var(--muted);
  font-size: 0.75rem;
  text-decoration: none;
}

.suite-link strong { color: var(--coral); }
.suite-link:hover span,
.suite-link:focus-visible span { color: var(--text); }

.about {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.profile-icons {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
}

.profile-icons span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  color: var(--accent);
}

.profile-icons svg { width: 32px; height: 32px; }
.profile-icons .profile-symbol { font-family: var(--mono); font-size: 1.9rem; }
.about-heading { display: block; margin-bottom: 17px; }

.resume-copy { max-width: 900px; }

.resume-copy > p {
  max-width: 800px;
  margin: 0 0 13px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.resume-columns {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 30px;
  margin-top: 20px;
  padding-top: 17px;
  border-top: 1px solid var(--line);
}

.resume-columns h3 {
  margin-bottom: 7px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.resume-columns ul { margin: 0; padding-left: 18px; }

.resume-columns li {
  padding: 4px 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.resume-columns li::marker { color: var(--cyan); }
.resume-columns strong { color: var(--text); font-weight: 650; }

.offduty {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 34px;
  align-items: start;
}

.offduty-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.offduty-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.65;
}

.offduty-copy strong { display: block; margin-bottom: 4px; color: var(--text); }

.site-foot {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.foot-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px 24px;
  padding-top: 26px;
  padding-bottom: 28px;
}

.credit { margin: 0; }
.credit strong,
.credit span { display: block; }
.credit strong { font-size: 0.88rem; }
.credit span { margin-top: 2px; color: var(--quiet); font-size: 0.74rem; }

.foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: start;
}

.foot-links a {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.67rem;
  text-decoration: none;
}

.foot-links a:hover,
.foot-links a:focus-visible { color: var(--cyan-bright); }

.fine-print {
  grid-column: 1 / -1;
  max-width: 850px;
  margin: 0;
  color: var(--quiet);
  font-size: 0.66rem;
  line-height: 1.5;
}

@media (max-width: 820px) {
  .topnav { display: none; }
  .contact-chip { margin-left: auto; }
  .section-heading,
  .site-families,
  .resume-columns,
  .featured-project,
  .offduty { grid-template-columns: minmax(0, 1fr); }
  .section-heading { gap: 10px; }
  .offduty { gap: 20px; }
  .featured-project { gap: 20px; }
  .suite-link { grid-template-columns: auto 1fr; }
  .suite-link span { display: none; }
  .suite-link i { margin-left: auto; }
}

@media (max-width: 560px) {
  .contact-chip { display: none; }
  .hero { padding-top: 38px; }
  .family-heading { display: block; }
  .family-heading .group-label { margin-bottom: 3px; }
  .offduty-copy,
  .featured-copy,
  .foot-inner { grid-template-columns: minmax(0, 1fr); }
  .foot-links { grid-row: 2; }
  .fine-print { grid-row: 3; }
}

@media (max-width: 390px) {
  .brand-text small { display: none; }
  .site-link { grid-template-columns: 31px minmax(0, 1fr) auto; gap: 9px; }
  .site-icon { width: 29px; height: 29px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

@media (prefers-contrast: more) {
  :root {
    --line: rgba(132, 194, 214, 0.42);
    --line-strong: rgba(132, 220, 235, 0.66);
    --muted: #b8ccd4;
    --quiet: #9db4be;
  }
}