/* Kelly Edvalson: personal career site. Clean, calm, minimal. */

:root {
  --bg: #ffffff;
  --bg-soft: #f6f7f8;
  --text: #16181d;
  --muted: #596270;
  --line: #e4e7eb;
  --accent: #0f766e;
  --accent-ink: #ffffff;
  --accent-soft: #e6f4f2;
  --radius: 10px;
  --maxw: 880px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1215;
    --bg-soft: #161a1f;
    --text: #e9ecef;
    --muted: #9ba4b0;
    --line: #252b33;
    --accent: #2dd4bf;
    --accent-ink: #04201d;
    --accent-soft: #12302d;
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
}

h1, h2, h3, h4, p, ul, dl, dd, dt { margin: 0; }
ul { padding: 0; list-style: none; }
img { max-width: 100%; height: auto; }

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  padding: 8px 14px;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 6px;
  z-index: 100;
}
.skip-link:focus { top: 12px; }

/* ---------- Header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

@supports (background: color-mix(in srgb, red 50%, blue)) {
  .site-header {
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
  }
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  position: relative;
}

.brand {
  color: var(--text);
  font-weight: 650;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover { color: var(--text); }
.nav-links a[aria-current="true"] {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.nav-toggle {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  right: 24px;
}
.nav-burger { display: none; }

@media (max-width: 720px) {
  .nav-burger {
    display: block;
    width: 44px;
    height: 44px;
    margin-right: -10px;
    cursor: pointer;
    position: relative;
  }
  .nav-burger span,
  .nav-burger span::before,
  .nav-burger span::after {
    content: "";
    position: absolute;
    left: 11px;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
  }
  .nav-burger span { top: 21px; }
  .nav-burger span::before { top: -7px; left: 0; }
  .nav-burger span::after { top: 7px; left: 0; }

  .nav-toggle:focus-visible + .nav-burger {
    outline: 2px solid var(--accent);
    border-radius: 6px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
  }
  .nav-toggle:checked ~ .nav-links { display: flex; }
  .nav-links a { display: block; padding: 12px 0; border-bottom: 0; }
}

/* ---------- Hero ---------- */

.hero { padding: 88px 0 72px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 48px;
  align-items: center;
}

h1 {
  font-size: clamp(2.25rem, 5.5vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.hero-title {
  margin-top: 12px;
  color: var(--accent);
  font-size: 1.25rem;
  font-weight: 600;
}

.lede {
  margin-top: 20px;
  max-width: 58ch;
  color: var(--muted);
  font-size: 1.15rem;
}

.hero-meta {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-block;
  padding: 11px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.975rem;
  text-decoration: none;
  border: 1px solid var(--accent);
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.08); text-decoration: none; }
.btn-secondary { background: transparent; color: var(--accent); }
.btn-secondary:hover { background: var(--accent-soft); text-decoration: none; }

.social {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: 28px;
}
.social a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.95rem;
  text-decoration: none;
}
.social a:hover { color: var(--accent); }

.portrait {
  justify-self: end;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}

@media (max-width: 720px) {
  .hero { padding: 48px 0 56px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .portrait { grid-row: 1; justify-self: start; width: 120px; height: 120px; }
}

/* ---------- Sections ---------- */

.section {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}

h2 {
  margin-bottom: 28px;
  font-size: 0.85rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.prose p + p { margin-top: 16px; }
.prose { max-width: 68ch; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.stats div { display: flex; flex-direction: column-reverse; }
.stats dd {
  font-size: 2rem;
  font-weight: 650;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.stats dt {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.4;
}

@media (max-width: 720px) {
  .section { padding: 56px 0; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Experience ---------- */

.meta { color: var(--muted); font-size: 0.9rem; font-weight: 400; }

.company + .company { margin-top: 56px; }

.company-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  margin-bottom: 20px;
}
.company-head h3 { font-size: 1.35rem; letter-spacing: -0.01em; }

.role { padding-left: 20px; border-left: 2px solid var(--line); }
.role + .role { margin-top: 32px; }

.role-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 2px 16px;
  margin-bottom: 10px;
}
.role-head h4 { font-size: 1.05rem; font-weight: 600; }
.dates { color: var(--muted); font-size: 0.9rem; white-space: nowrap; }

.role ul { margin-top: 0; }
.role li {
  position: relative;
  padding-left: 18px;
}
.role li + li { margin-top: 8px; }
.role li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.55;
}

details { margin-top: 14px; }
details ul { margin-top: 12px; }

summary {
  display: inline-block;
  cursor: pointer;
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 600;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
summary::before { content: "+"; display: inline-block; width: 1.1em; }
details[open] > summary::before { content: "\2212"; }
summary:hover { text-decoration: underline; text-underline-offset: 3px; }

.earlier { margin-top: 32px; }
.earlier > summary { margin-bottom: 8px; }
.earlier[open] > summary { margin-bottom: 20px; }

/* ---------- Selected work ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: var(--bg-soft);
  border-radius: var(--radius);
}
.card h3 { font-size: 1.1rem; line-height: 1.35; letter-spacing: -0.005em; }
.card p { margin-top: 10px; color: var(--muted); font-size: 0.975rem; line-height: 1.55; }

.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.tags li {
  padding: 2px 10px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--muted);
}

.card .card-org {
  margin-top: auto;
  padding-top: 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

@media (max-width: 720px) {
  .cards { grid-template-columns: 1fr; }
}

/* ---------- Skills / education ---------- */

.skills > div {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 8px 24px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.skills > div:first-child { border-top: 0; padding-top: 0; }
.skills dt { color: var(--muted); font-size: 0.9rem; font-weight: 600; padding-top: 3px; }
.skills ul { display: flex; flex-wrap: wrap; gap: 6px; }
.skills li {
  padding: 2px 12px;
  background: var(--accent-soft);
  border-radius: 999px;
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  .skills > div { grid-template-columns: 1fr; }
}

.subhead {
  margin: 56px 0 16px;
  font-size: 0.85rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.edu li + li { margin-top: 8px; }
.edu .meta { margin-left: 6px; }

/* ---------- Contact / footer ---------- */

.contact-email { margin-top: 20px; font-size: 1.5rem; font-weight: 600; letter-spacing: -0.01em; }
.contact-email a { text-decoration: none; }
.contact-email a:hover { text-decoration: underline; }
#contact .social { margin-top: 20px; }

.site-footer {
  padding: 32px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.875rem;
}

/* ---------- 404 ---------- */

.notfound { padding: 120px 0; }
.notfound p { margin-top: 16px; color: var(--muted); }
.notfound .btn { margin-top: 28px; }

/* ---------- Print ---------- */

@media print {
  .site-header, .hero-actions, .skip-link { display: none; }
  details > * { display: block; }
  .section { padding: 24px 0; }
}