/* ---------- Theme ---------- */
:root {
  --bg: #fcfcfd;
  --fg: #16181d;
  --muted: #5e636e;
  --card: #ffffff;
  --border: #e4e6eb;
  --accent: #5b4bd6;
  --radius: 12px;
  --measure: 42rem; /* ~700px reading column */
}

html.dark {
  --bg: #0f1116;
  --fg: #f3f4f7;
  --muted: #9aa0ad;
  --card: #171a21;
  --border: #272b35;
  --accent: #a394ff;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0;
}

p {
  margin: 0 0 1rem;
  max-width: var(--measure);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration: underline;
}

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

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
  background: var(--card);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  z-index: 10;
}

.page {
  max-width: 56rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Theme toggle ---------- */
.toolbar {
  display: flex;
  justify-content: flex-end;
  padding-top: 1.5rem;
}

#theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

#theme-toggle:hover {
  color: var(--fg);
  background: var(--border);
}

#theme-toggle svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Show the icon for the theme you'd switch *to*. */
.icon-sun {
  display: none;
}

html.dark .icon-sun {
  display: block;
}

html.dark .icon-moon {
  display: none;
}

/* ---------- Intro ---------- */
.intro {
  padding: 2.5rem 0 0;
}

.intro h1 {
  font-size: clamp(2rem, 6vw, 2.75rem);
  font-weight: 700;
}

.tagline {
  margin: 0.75rem 0 1.5rem;
  font-size: 1.15rem;
  color: var(--muted);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.95rem;
  margin-top: 0.5rem;
}

/* ---------- Projects ---------- */
main {
  padding: 3.5rem 0 1rem;
}

main h2,
footer h2 {
  font-size: 1.5rem;
  font-weight: 600;
}

.grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

@media (min-width: 42rem) {
  .grid {
    grid-template-columns: 1fr 1fr;
  }
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.15s ease;
}

.card:hover {
  border-color: var(--accent);
}

/* Fixed ratio keeps every card aligned, screenshot or not. */
.shot {
  aspect-ratio: 16 / 10;
  width: 100%;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
}

.placeholder {
  background: repeating-linear-gradient(
    45deg,
    var(--border),
    var(--border) 10px,
    transparent 10px,
    transparent 20px
  );
  opacity: 0.5;
}

.card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.25rem;
}

.card h3 {
  font-size: 1.15rem;
  font-weight: 600;
}

.summary {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.detail {
  margin: 0.75rem 0 0;
  font-size: 0.925rem;
  color: var(--muted);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.tags li {
  font-size: 0.75rem;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.1rem 0.45rem;
}

.card-links {
  display: flex;
  gap: 1rem;
  margin-top: auto;
  padding-top: 1.25rem;
  font-size: 0.9rem;
}

/* ---------- Footer ---------- */
footer {
  margin-top: 3.5rem;
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

footer p {
  color: var(--muted);
  margin-top: 0.5rem;
}

.copyright {
  margin: 2.5rem 0 0;
  font-size: 0.875rem;
}