*,
::after,
::before {
  box-sizing: border-box
}

:root {
  --bg: #f5f7fc;
  --bg-2: #e9effa;
  --band: #16213a;
  --band-2: #0e1626;
  --card: #ffffff;
  --ink: #17233c;
  --soft: #54627a;
  --line: #dbe3ee;
  --accent: #1d4ed8;
  --accent-2: #0e7492;
  --on-accent: #ffffff;
  --pill: #eaf1ff;
  --pill-hi: #dbe6ff;
  --pill-ink: #33427c;
  --glow-a: rgba(29, 78, 216, 0.09);
  --glow-b: rgba(56, 189, 248, 0.09);
  --shadow: 0 1px 2px rgba(23, 35, 60, 0.05), 0 10px 24px rgba(23, 35, 60, 0.06);
  --shadow-hi: 0 2px 4px rgba(23, 35, 60, 0.07), 0 18px 34px rgba(23, 35, 60, 0.1);
  color-scheme: light dark
}

/* Dark palette declared twice: forced-dark wins by source order, and without
   :has() the media rule still applies. */
@media (prefers-color-scheme: dark) {
  :root:not(:has(#t-light:checked)) {
    --bg: #0e1626;
    --bg-2: #141e33;
    --band: #0a1120;
    --band-2: #060b16;
    --card: #17213a;
    --ink: #e6edf6;
    --soft: #97a7c0;
    --line: #2a3850;
    --accent: #60a5fa;
    --accent-2: #38bdf8;
    --on-accent: #0a1120;
    --pill: #1c2a46;
    --pill-hi: #27385c;
    --pill-ink: #9ec7fb;
    --glow-a: rgba(96, 165, 250, 0.11);
    --glow-b: rgba(56, 189, 248, 0.08);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 10px 24px rgba(0, 0, 0, 0.35);
    --shadow-hi: 0 2px 5px rgba(0, 0, 0, 0.35), 0 18px 34px rgba(0, 0, 0, 0.45)
  }
}

:root:has(#t-dark:checked) {
  --bg: #0e1626;
  --bg-2: #141e33;
  --band: #0a1120;
  --band-2: #060b16;
  --card: #17213a;
  --ink: #e6edf6;
  --soft: #97a7c0;
  --line: #2a3850;
  --accent: #60a5fa;
  --accent-2: #38bdf8;
  --on-accent: #0a1120;
  --pill: #1c2a46;
  --pill-hi: #27385c;
  --pill-ink: #9ec7fb;
  --glow-a: rgba(96, 165, 250, 0.11);
  --glow-b: rgba(56, 189, 248, 0.08);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 10px 24px rgba(0, 0, 0, 0.35);
  --shadow-hi: 0 2px 5px rgba(0, 0, 0, 0.35), 0 18px 34px rgba(0, 0, 0, 0.45)
}

body {
  margin: 0 auto;
  max-width: 64rem;
  padding: 1.3rem 1.2rem;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  font-size: clamp(0.95rem, 0.55rem + 0.5vw, 1.05rem);
  line-height: 1.62
}

body::before {
  content: "";
  position: fixed;
  inset: -8rem;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(56rem 34rem at 86% -4%, var(--glow-a), transparent 62%),
    radial-gradient(44rem 30rem at 4% 102%, var(--glow-b), transparent 60%),
    linear-gradient(160deg, var(--bg), var(--bg-2))
}

h1 {
  font-size: 2rem;
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0
}
h2 {
  position: relative;
  font-size: 1.28rem;
  margin: 2.4rem 0 0;
  padding: 0 0 0.5rem;
  border-width: 0 0 2px;
  border-style: solid;
  border-color: transparent;
  border-image: linear-gradient(90deg, var(--accent), var(--accent-2) 60%, transparent) 1
}
h2::before {
  content: "";
  position: absolute;
  left: -0.62rem;
  top: 0.08em;
  width: 0.3rem;
  height: 1.45em;
  background: linear-gradient(var(--accent), var(--accent-2));
  border-radius: 999px
}
h3 { font-size: 1.05rem; margin: 0 0 0.35rem }
p { margin: 0 0 0.65rem }
ul { list-style: none; margin: 0; padding: 0 }
img { display: block; max-width: 100%; height: auto }

a { color: var(--accent); text-decoration: none }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px }
main a:not(.button) {
  text-decoration: underline;
  text-decoration-color: var(--soft);
  text-decoration-thickness: 1px
}

.muted { color: var(--soft); font-size: 0.92rem }
.cta { display: flex; align-items: center; justify-content: space-between; gap: 1.1rem }

header,
nav,
footer { border-radius: 0.8rem }

header {
  position: relative;
  background: linear-gradient(135deg, var(--band), var(--band-2) 80%);
  color: #f4f7fc;
  border: 1px solid var(--line);
  padding: 1.3rem;
  margin: 0 0 0.85rem
}
header::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(112deg, transparent 44%, rgba(255, 255, 255, 0.06) 50%, transparent 56%);
  background-size: 240% 100%;
  background-position: -60% 0;
  pointer-events: none
}
header h1 { text-align: center; margin: 1.1rem 0 0 }
header .tagline {
  color: #b8c6dd;
  text-align: center;
  letter-spacing: 0.02em;
  margin: 0
}

.avatar {
  width: 5.6rem;
  height: 5.6rem;
  object-fit: cover;
  border-radius: 999px;
  border: 2px solid var(--accent);
  margin: 0 auto 1.1rem;
  box-shadow: 0 0 14px var(--glow-b)
}

.pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin: 1.1rem 0 0
}
.pills li {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  font-size: 0.88rem
}
.pills a,
.pills .obf { color: #dce7f8 }
.pills a { display: inline-flex; align-items: center; gap: 0.4rem }
.ic { flex-shrink: 0 }

nav {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 0.6rem 0.95rem;
  margin: 0.85rem 0 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.4rem 1.15rem;
  font-size: 0.86rem
}
nav a { color: var(--soft) }
nav a:hover { color: var(--ink) }

/* margin-left: auto parks the switch in the nav corner, which justify-content
   cannot do. */
.theme-switch {
  order: 99;
  align-self: start;
  margin: 0 0 0 auto;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.15rem 0.6rem;
  padding: 0.32rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  font-size: 0.8rem
}
.theme-switch input[type=radio] {
  accent-color: var(--accent);
  width: 0.95rem;
  height: 0.95rem
}
.theme-switch label { color: var(--soft); cursor: pointer }
.theme-switch label[for=t-auto]::before { content: "◐ " }
.theme-switch label[for=t-light]::before { content: "☀ " }
.theme-switch label[for=t-dark]::before { content: "☾ " }
.theme-switch input:checked + label { color: var(--ink); font-weight: 600 }

section { margin: 0 0 1.5rem }
section > p { margin: 0.4rem 0 0 }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  padding: 1rem 1.15rem;
  margin: 0.95rem 0 0;
  box-shadow: var(--shadow)
}
.card + .card { margin: 0.8rem 0 0 }
.card p { margin: 0 }
.card h3 + p,
.card p + p { margin: 0.4rem 0 0 }

.org { color: var(--soft); margin: 0.25rem 0 0 }
.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.6rem;
  color: var(--soft);
  font-size: 0.85rem;
  margin: 0.4rem 0 0
}
/* the dot starts its flex item, so the margin has to match the gap */
.meta .where::before,
.meta .kind::before,
.meta .grade::before {
  content: "·";
  margin: 0 0.6rem 0 0
}

.tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0.6rem 0 0 }
.tags li {
  background: var(--pill);
  color: var(--pill-ink);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  font-size: 0.8rem
}
.card .tags + .muted { margin: 0.55rem 0 0 }

.highs {
  list-style: disc;
  margin: 0.6rem 0 0;
  padding-left: 1.25rem
}
.highs li { margin: 0 0 0.35rem }
.highs li::marker { color: var(--accent) }

.fields { display: flex; flex-direction: column; gap: 0.45rem; margin: 0.85rem 0 0 }
.fields li { font-size: 0.92rem }
.fields li a { display: inline-flex; align-items: center; gap: 0.4rem }
.fields .plain { color: var(--soft) }
.fields .when { color: var(--accent) }

.button {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: stretch;
  aspect-ratio: 1;
  min-height: 4.6rem;
  max-height: 5.4rem;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: var(--on-accent);
  border-radius: 0.9rem;
  padding: 0.6rem;
  font-size: 1.05rem;
  box-shadow: var(--shadow)
}

footer {
  background: linear-gradient(135deg, var(--band), var(--band-2) 80%);
  color: #cbd5e1;
  border: 1px solid var(--line);
  padding: 0.95rem 1.15rem;
  margin: 1.6rem 0 0;
  font-size: 0.85rem
}
footer a { color: #e2e8f0 }

#skills,
#certs,
#projects {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
  align-items: start
}
#skills > h2,
#certs > h2,
#projects > h2 { grid-column: 1 / -1 }
#skills .card,
#certs .card,
#projects .card { margin: 0 }

.card-img { padding: 0; overflow: hidden }
.card-img > .card-link { display: block; text-decoration: none }
.card-img > .card-link > img { border-radius: 0.6rem 0.6rem 0 0 }
.card-img > .card-body { padding: 1rem 1.15rem }
.card-body h3 { margin: 0 }
.card-img > .card-body > .meta { margin: 0.5rem 0 0 }

.obf {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem
}
/* Fragments keep the address out of reach of scrapers. */
.obf::after { content: "angh" "flo" "res" "\40" "gmail" ".com" }

@media (hover: hover) {
  .card { transition: transform 0.26s ease, box-shadow 0.26s ease, border-color 0.26s ease }
  .card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hi); border-color: var(--accent-2) }
  .tags li { transition: background 0.2s ease, transform 0.2s ease }
  .tags li:hover { background: var(--pill-hi); transform: translateY(-1px) }
  .pills li { transition: background 0.22s ease, transform 0.22s ease, border-color 0.22s ease }
  .pills li:hover { background: rgba(255, 255, 255, 0.13); transform: translateY(-1px) }
  .button { transition: transform 0.22s ease, filter 0.22s ease }
  .button:hover { transform: translateY(-1px); filter: brightness(1.08) }
  .avatar { transition: border-color 0.3s ease, box-shadow 0.3s ease }
  .avatar:hover { border-color: var(--accent-2); box-shadow: 0 0 22px var(--glow-b) }
  .card-img > .card-link > img { transition: transform 0.5s ease }
  .card-img > .card-link:hover > img { transform: scale(1.04) }
}

@media (prefers-reduced-motion: no-reduce) {
  @keyframes rise {
    from { opacity: 0; transform: translateY(0.6rem) }
  }
  @keyframes sheen {
    to { background-position: 160% 0 }
  }
  @keyframes drift {
    to { transform: translate3d(-2rem, 1.2rem, 0) scale(1.05) }
  }
  main > section { animation: rise 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) backwards }
  main > section:nth-child(2) { animation-delay: 0.06s }
  main > section:nth-child(3) { animation-delay: 0.12s }
  main > section:nth-child(4) { animation-delay: 0.18s }
  main > section:nth-child(5) { animation-delay: 0.24s }
  main > section:nth-child(6) { animation-delay: 0.3s }
  main > section:nth-child(7) { animation-delay: 0.36s }
  main > section:nth-child(8) { animation-delay: 0.42s }
  header::after { animation: sheen 11s ease-in-out infinite }
  body::before { animation: drift 26s ease-in-out infinite alternate }
}

@supports (backdrop-filter: blur(2px)) {
  nav { background: color-mix(in srgb, var(--bg) 78%, transparent) }
  nav { backdrop-filter: blur(7px) saturate(150%) }
}

@media (max-width: 46rem) {
  #skills,
  #certs,
  #projects { grid-template-columns: 1fr }
  .avatar { width: 4.6rem; height: 4.6rem }
  h1 { font-size: 1.65rem }
  header { padding: 1.1rem 0.9rem }
}

@media print {
  nav { display: none }
  .card,
  header,
  footer { background: white; color: black; box-shadow: none }
  .button,
  .tags li { background: white; color: black }
}