/* felstar.com — home page layout */

/* ---------- Hero ---------- */
.hero {
  padding-block: clamp(3rem, 8vw, 6rem) clamp(2.5rem, 6vw, 4.5rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.hero .label { margin-bottom: 1.25rem; display: block; }

.hero h1 {
  font-size: clamp(3rem, 8.5vw, 5.75rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
}

.lede {
  font-size: clamp(1.2rem, 2.1vw, 1.45rem);
  line-height: 1.5;
  color: var(--ink-2);
  max-width: 36rem;
  margin-bottom: 1.75rem;
}
.lede strong { color: var(--ink); font-weight: 500; }

.terms {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  font-family: var(--font-mono);
  font-size: .85rem;
  color: var(--ink-2);
}
.terms li { display: inline-flex; align-items: center; gap: .5rem; }
.terms li::before {
  content: "";
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: var(--accent);
}

.terms li.avail { color: var(--ink); font-weight: 600; }

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.cta-note {
  margin: 1rem 0 0;
  font-size: .95rem;
  color: var(--ink-3);
}
.cta-note a { color: var(--ink-2); padding-block: .6rem; }

.portrait {
  position: relative;
  margin: 0;
  justify-self: end;
  width: 100%;
  max-width: 22rem;
}
.portrait::before {
  content: "";
  position: absolute;
  inset: 0;
  transform: translate(14px, 14px);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
}
.portrait img {
  position: relative;
  width: 100%;
  aspect-ratio: 439 / 560;
  object-fit: cover;
  object-position: center 20%;
  border-radius: var(--radius);
  background: var(--tag-bg);
}

@media (max-width: 820px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .portrait { order: -1; justify-self: start; max-width: 9rem; }
  .portrait::before { transform: translate(8px, 8px); }
}
/* Phones: keep "Email me" above the fold, even on a 360x640 screen. */
@media (max-width: 640px) {
  .hero { padding-top: 1.5rem; }
  .hero-grid { gap: 1.25rem; }
  .portrait { max-width: 5.5rem; }
  .portrait::before { transform: translate(6px, 6px); }
  .hero h1 { margin-bottom: 1rem; }
  .lede { font-size: 1.1rem; margin-bottom: 1.25rem; }
  .terms { margin-bottom: 1.5rem; }
}

/* ---------- Clients strip ---------- */
.clients {
  margin-top: clamp(3rem, 6vw, 4.5rem);
  padding-top: 1.75rem;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr);
  gap: 1rem 2rem;
  align-items: baseline;
}
.clients ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .35rem 1.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--ink-2);
}
@media (max-width: 640px) {
  .clients { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- Eras: languages over time ----------
   Each era sits on a 1986 -> now axis at (year - 1986) / 40 of its width.
   Labels alternate above and below the line so close years never collide;
   the last two anchor right so they stay inside the axis. */
.eras-track {
  --from: 1986;
  --span: 40;
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  height: 13rem;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.eras-track::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  margin-top: -1px;
  background: var(--ink);
}
.eras-track::after {
  content: "now";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  padding-left: .6rem;
  background: var(--bg);
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 500;
  color: var(--accent);
}
.era {
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc((var(--y) - var(--from)) / var(--span) * 100%);
  width: 0;
}
.era::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: .8rem;
  height: .8rem;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--ink);
}
.era:last-child::before { background: var(--accent); border-color: var(--accent); }
.era::after {
  content: "";
  position: absolute;
  left: 0;
  width: 1px;
  height: 1.3rem;
  background: var(--rule-strong);
}
.era.up::after { bottom: calc(50% + .4rem); }
.era.down::after { top: calc(50% + .4rem); }
.era-label {
  position: absolute;
  left: 0;
  display: flex;
  flex-direction: column;
  gap: .2rem;
  white-space: nowrap;
}
.era.up .era-label { bottom: calc(50% + 1.95rem); }
.era.down .era-label { top: calc(50% + 1.95rem); flex-direction: column-reverse; }
.era.end .era-label { left: auto; right: 0; align-items: flex-end; text-align: right; }
.era-name {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.3vw, 2rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
}
.era-year {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--ink-3);
}

/* Phones: the same story as a vertical list. */
@media (max-width: 640px) {
  .eras-track { height: auto; padding-block: 1.25rem; }
  .eras-track::before { left: .4rem; right: auto; top: 2.35rem; bottom: 2.6rem; width: 2px; height: auto; margin: 0 0 0 -1px; }
  .eras-track::after { position: static; display: block; transform: none; padding: .3rem 0 0 1.9rem; background: none; }
  .era { position: relative; left: auto; top: auto; bottom: auto; width: auto; padding: .45rem 0 .45rem 1.9rem; }
  .era::before { left: .4rem; }
  .era::after { display: none; }
  .era-label,
  .era.up .era-label,
  .era.down .era-label,
  .era.end .era-label {
    position: static;
    flex-direction: row-reverse;
    justify-content: flex-end;
    align-items: baseline;
    gap: .9rem;
    text-align: left;
  }
  .era-year { min-width: 2.6rem; }
}

/* ---------- What I do ---------- */
.services {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 4vw, 3rem) clamp(1.5rem, 4vw, 3.5rem);
}
.service {
  border-top: 2px solid var(--ink);
  padding-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .9rem;
}
.service h3 { font-size: 1.5rem; }
.service p { color: var(--ink-2); margin: 0; }
.service .tags { margin-top: auto; padding-top: .5rem; }

.also {
  margin: clamp(2rem, 4vw, 3rem) 0 0;
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr);
  gap: .5rem 2rem;
  align-items: baseline;
  color: var(--ink-2);
}

@media (max-width: 760px) {
  .services { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .also { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- Work ---------- */
.jobs {
  list-style: none;
  margin: 0;
  padding: 0;
}
.job {
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr);
  gap: .5rem 2rem;
  padding-block: 1.5rem;
  border-top: 1px solid var(--rule);
}
.job-when {
  font-family: var(--font-mono);
  font-size: .85rem;
  color: var(--ink-3);
  padding-top: .3rem;
  white-space: nowrap;
}
.job h3 {
  font-size: 1.35rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .25rem .75rem;
  margin-bottom: .4rem;
}
.job .role {
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--ink-3);
}
.job p { color: var(--ink-2); margin-bottom: .75rem; max-width: 44rem; }
.stack {
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--ink-3);
  margin: 0;
}

.job-early h3 { font-style: italic; }
.job-early p { margin-bottom: 0; }

.earlier {
  border-top: 1px solid var(--rule);
}
.earlier > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr);
  gap: .5rem 2rem;
  padding-block: 1.25rem;
  align-items: center;
}
.earlier > summary::-webkit-details-marker { display: none; }
.earlier > summary .when { font-family: var(--font-mono); font-size: .85rem; color: var(--ink-3); }
.earlier > summary .what {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-weight: 500;
  color: var(--ink);
}
.earlier > summary .what::after {
  content: "";
  width: .5rem;
  height: .5rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform .2s ease;
}
.earlier[open] > summary .what::after { transform: translateY(2px) rotate(-135deg); }
.earlier > summary:hover .what { color: var(--accent); }
.earlier[open] > summary .show { display: none; }
.earlier:not([open]) > summary .hide { display: none; }

@media (max-width: 640px) {
  .job, .earlier > summary { grid-template-columns: minmax(0, 1fr); }
  .job-when { padding-top: 0; }
}

/* ---------- Testimonials ---------- */
.feature-quote {
  margin: 0 0 clamp(2.5rem, 5vw, 4rem);
  padding: 0;
  max-width: 54rem;
}
.feature-quote blockquote { margin: 0; }
.feature-quote p {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
  text-wrap: pretty;
}
.feature-quote p::before {
  content: "\201C";
  color: var(--accent);
  margin-left: -0.45em;
  padding-right: .05em;
}
.feature-quote p::after { content: "\201D"; color: var(--accent); }

.cite {
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: .1rem;
  font-size: .95rem;
}
.cite strong { font-weight: 600; }
.cite span { color: var(--ink-3); font-size: .88rem; }

/* Grid, not CSS columns: expanding a card only grows its own row, so nothing jumps. */
.quotes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 24rem), 1fr));
  gap: 1.25rem;
  align-items: start;
}
.quote {
  margin: 0;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}
.quote blockquote { margin: 0 0 1.1rem; }
.quote blockquote p { font-size: .98rem; line-height: 1.6; color: var(--ink); }
.quote blockquote p:last-child { margin-bottom: 0; }
.quote blockquote ul { padding-left: 1.1rem; margin: 0 0 1em; font-size: .98rem; }

.quote details { margin: -0.25rem 0 1.1rem; }
.quote details > summary {
  display: inline-block;
  padding-block: .6rem;
  cursor: pointer;
  font-size: .9rem;
  font-weight: 500;
  color: var(--accent);
  list-style: none;
}
.quote details > summary::-webkit-details-marker { display: none; }
.quote details > summary::after { content: " \2193"; }
.quote details[open] > summary { margin-bottom: 1rem; }
.quote details[open] > summary::after { content: " \2191"; }
.quote details[open] > summary .show { display: none; }
.quote details:not([open]) > summary .hide { display: none; }
.quote:has(details[open]) .excerpt { display: none; }

/* ---------- Code & writing ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr));
  gap: 1rem;
}
/* Whole card is clickable via the heading link's ::after; links in .meta sit above it. */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  padding: 1.4rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  transition: border-color .15s ease, transform .15s ease;
}
.card:hover { border-color: var(--ink); }
.card:has(h3 a:focus-visible) { outline: 2px solid var(--accent); outline-offset: 3px; }
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .card:hover { transform: translateY(-2px); }
}
.card h3 {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}
.card h3 a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  text-decoration: none;
  color: inherit;
}
.card h3 a:focus-visible { outline: none; }
.card h3 a::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}
.card h3 .arrow { color: var(--ink-3); flex: none; transition: color .15s ease, transform .15s ease; }
.card:hover h3 .arrow { color: var(--accent); transform: translate(2px, -2px); }
.card p { color: var(--ink-2); margin: 0; font-size: .95rem; }
.card .meta {
  margin-top: auto;
  padding-top: .4rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--ink-3);
  display: flex;
  flex-wrap: wrap;
  gap: .35rem 1rem;
}
.card .meta a {
  position: relative;
  z-index: 1;
  padding: .75rem .4rem;
  margin: -.75rem -.4rem;
  color: var(--accent);
  font-weight: 500;
  text-decoration: none;
}
.card .meta a::after { content: " \2197"; }
.card .meta a:hover { text-decoration: underline; }

.aside {
  margin: 1.25rem 0 0;
  color: var(--ink-3);
  font-size: .95rem;
  max-width: 48rem;
}
/* ---------- Folds ("Show N more …") ---------- */
.more { margin-top: 1.5rem; }
.more > summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding-block: .75rem;
  font-weight: 500;
}
.more > summary::-webkit-details-marker { display: none; }
.more > summary::after {
  content: "";
  width: .5rem;
  height: .5rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform .2s ease;
}
.more[open] > summary::after { transform: translateY(2px) rotate(-135deg); }
.more > summary:hover { color: var(--accent); }
.more[open] > summary .show,
.more:not([open]) > summary .hide { display: none; }
.more[open] > summary { margin-bottom: 1rem; }

/* ---------- Compact project and writing lists ---------- */
.list-title {
  font-size: 1.3rem;
  margin: 2.25rem 0 .5rem;
}
.repo-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.repo-list li {
  display: grid;
  grid-template-columns: minmax(0, 15rem) minmax(0, 1fr) auto;
  gap: .25rem 1.5rem;
  align-items: baseline;
  padding-block: .85rem;
  border-top: 1px solid var(--rule);
}
.repo-list .repo {
  padding-block: .6rem;
  font-family: var(--font-mono);
  font-size: .92rem;
  font-weight: 500;
  overflow-wrap: anywhere;
}
.repo-list .repo-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
}
.repo-desc { color: var(--ink-2); font-size: .95rem; }
.repo-meta {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--ink-3);
  white-space: nowrap;
}
.repo-meta a { color: var(--accent); text-decoration: none; font-weight: 500; padding-block: .75rem; }
.repo-meta a::after { content: " \2197"; }
.repo-meta a:hover { text-decoration: underline; }
@media (max-width: 760px) {
  .repo-list li { grid-template-columns: minmax(0, 1fr); }
  .repo-meta { white-space: normal; }
}

/* ---------- Contact ---------- */
.contact {
  padding-block: clamp(4rem, 10vw, 8rem);
  border-top: 1px solid var(--rule);
}
.contact h2 {
  font-size: clamp(2.75rem, 8vw, 5.5rem);
  line-height: 1;
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
}
.contact p {
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
  color: var(--ink-2);
  max-width: 38rem;
}
.email-link {
  display: inline-block;
  margin: .75rem 0 2rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.5vw, 2.6rem);
  letter-spacing: -0.01em;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: .18em;
  overflow-wrap: anywhere;
}