@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("../fonts/jakarta-sans.woff2") format("woff2");
}
@font-face {
  font-family: "Merriweather";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/merriweather.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/jetbrains-mono.woff2") format("woff2");
}

:root {
  color-scheme: light dark;
  /* Dark mode (default) — "Warm Dark" palette */
  --bg: #1c1917;
  --bg-2: #292524;
  --fg: #f5f2eb;
  --muted: #aba6a0;
  --accent: #c87a57;
  --accent-hover: #d99073;
  --card: #292524;
  --border: #403c39;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f9f6f0;
    --bg-2: #ffffff;
    --fg: #2d3339;
    --muted: #6f6960;
    --accent: #b05d35;
    --accent-hover: #964f2d;
    --card: #ffffff;
    --border: #ebe5dd;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(circle at 50% 0%, var(--bg-2), var(--bg) 65%);
  color: var(--fg);
  font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  opacity: 0;
  animation: pageIn 0.5s ease-out forwards;
}
@keyframes pageIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Nav */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5em 6vw;
  max-width: 1100px;
  margin: 0 auto;
}
.nav .brand {
  font-weight: 700;
  text-decoration: none;
  color: var(--fg);
  letter-spacing: 0.02em;
}
.nav ul {
  list-style: none;
  display: flex;
  gap: 1.8em;
  margin: 0;
  padding: 0;
}
.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  position: relative;
  transition: color 0.2s ease;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 0%;
  height: 1px;
  background: var(--accent-hover);
  transition: width 0.25s ease;
}
.nav a:hover { color: var(--fg); }
.nav a:hover::after { width: 100%; }
.nav a.active { color: var(--fg); }
.nav a.active::after { width: 100%; }

@media (max-width: 640px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.9em;
    padding: 1.2em 6vw;
  }
  .nav .brand {
    font-size: 0.95rem;
  }
  .nav ul {
    flex-wrap: wrap;
    row-gap: 0.7em;
    column-gap: 1.2em;
    width: 100%;
  }
}

/* Hero / content shell */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 4vh 6vw 8vh;
  text-align: center;
}
main.wide { max-width: 1100px; text-align: left; }

h1 {
  font-size: clamp(2rem, 6vw, 3.6rem);
  font-weight: 700;
  margin: 0.2em 0 0.3em;
  line-height: 1.08;
  background: linear-gradient(120deg, var(--fg), var(--accent), var(--fg));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shine 6s linear infinite, fadeUp 0.7s ease-out 0.1s backwards;
}
p.tagline, p.lead {
  font-family: "Merriweather", Georgia, serif;
  color: var(--muted);
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  line-height: 1.65;
  max-width: 34em;
  margin: 0 auto 1em;
  opacity: 0;
  animation: fadeUp 0.7s ease-out 0.3s forwards;
}
main.wide p.lead { margin: 0 0 1em; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes shine { to { background-position: 200% center; } }

/* Section cards grid (home + personal) */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.1em;
  margin-top: 2.5em;
  opacity: 0;
  animation: fadeUp 0.7s ease-out 0.5s forwards;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.6em 1.4em;
  text-decoration: none;
  color: var(--fg);
  text-align: left;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 10px 30px -12px color-mix(in srgb, var(--accent) 35%, transparent);
}
.card h3 {
  margin: 0 0 0.35em;
  font-size: 1.05rem;
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}
.card .badge {
  display: inline-block;
  margin-top: 0.9em;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 0.2em 0.7em;
  opacity: 0.85;
}

/* WIP badge on interior pages */
.wip-tag {
  display: inline-block;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 0.25em 0.9em;
  margin-bottom: 1.2em;
  opacity: 0;
  animation: fadeUp 0.6s ease-out forwards;
}

/* Dots loader accent */
.dots span {
  display: inline-block;
  width: 6px; height: 6px;
  margin: 0 3px;
  border-radius: 50%;
  background: var(--accent);
  animation: bounce 1.4s infinite ease-in-out both;
}
.dots span:nth-child(1) { animation-delay: -0.32s; }
.dots span:nth-child(2) { animation-delay: -0.16s; }
@keyframes bounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

/* Links row (socials, footer) */
.links {
  margin-top: 2.5em;
  display: flex;
  gap: 1em;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.7s ease-out 0.8s forwards;
}
main.wide .links { justify-content: flex-start; }
.links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease;
}
.links a:hover {
  color: var(--accent);
  background-color: color-mix(in srgb, var(--accent) 12%, transparent);
}
.links a svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  display: block;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 2em 6vw 3em;
}

/* Case study cards on Work index */
.case-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.8em 1.7em;
  text-decoration: none;
  color: var(--fg);
  text-align: left;
  display: block;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.case-card.is-featured {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: 0 10px 34px -16px color-mix(in srgb, var(--accent) 45%, transparent);
}
.case-card .featured-tag {
  position: absolute;
  top: 1.7em;
  right: 1.7em;
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: 999px;
  padding: 0.32em 0.8em 0.32em 0.65em;
}
@media (max-width: 640px) {
  .case-card .featured-tag {
    position: static;
    display: inline-flex;
    margin-bottom: 0.8em;
  }
}
.case-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 10px 30px -12px color-mix(in srgb, var(--accent) 35%, transparent);
}
.case-card .case-company {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}
.case-card h3 {
  margin: 0.4em 0 0.5em;
  font-size: 1.3rem;
}
.case-card p {
  margin: 0 0 1em;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}
.case-trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1em;
  border-top: 1px solid var(--border);
  padding-top: 1em;
}
.case-trio div span {
  display: block;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.3em;
}
.case-trio div p {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.4;
  color: var(--fg);
}
@media (max-width: 640px) {
  .case-trio { grid-template-columns: 1fr; }
}

/* Case study detail page */
.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em 1.5em;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 1em 0;
  margin: 1.5em 0 2.5em;
}
.case-meta strong { color: var(--fg); font-weight: 600; }

.case-body {
  text-align: left;
  max-width: 720px;
  margin: 0 auto;
}
.case-body h2 {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 1.4rem;
  margin: 2.2em 0 0.7em;
  color: var(--fg);
}
.case-body h2:first-child { margin-top: 0; }
.case-body p {
  font-family: "Merriweather", Georgia, serif;
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--fg);
  margin: 0 0 1.1em;
}
.case-body ul {
  font-family: "Merriweather", Georgia, serif;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--fg);
  padding-left: 1.3em;
  margin: 0 0 1.1em;
}
.case-body li { margin-bottom: 0.5em; }
.case-metric {
  display: inline-block;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 0.15em 0.6em;
  margin-left: 0.4em;
  vertical-align: middle;
}

.case-nav {
  display: flex;
  justify-content: space-between;
  gap: 1em;
  max-width: 720px;
  margin: 3em auto 0;
  padding-top: 1.5em;
  border-top: 1px solid var(--border);
}
.case-nav a {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
}
.case-nav a:hover { color: var(--accent); }

/* Timeline (About page) */
.timeline {
  max-width: 720px;
  margin: 2.5em auto 0;
  text-align: left;
  border-left: 2px solid var(--border);
  padding-left: 1.8em;
}
.timeline-item {
  position: relative;
  padding-bottom: 2em;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -2.31em;
  top: 0.35em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
}
.timeline-date {
  display: block;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.3em;
}
.timeline-item h3 {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 1.05rem;
  margin: 0 0 0.3em;
  color: var(--fg);
}
.timeline-item p {
  font-family: "Merriweather", Georgia, serif;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--muted);
  margin: 0;
}
.timeline-item p a,
.tagline a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent);
  text-underline-offset: 0.15em;
}
.timeline-item p a:hover,
.tagline a:hover { color: var(--accent-hover); }

/* Collapsible section (details/summary) */
.case-body details {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.9em 1.2em;
  margin: 2em 0;
}
.case-body details summary {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fg);
  cursor: pointer;
  list-style: none;
}
.case-body details summary::-webkit-details-marker { display: none; }
.case-body details summary::before {
  content: "+";
  display: inline-block;
  width: 1.2em;
  color: var(--accent);
  font-family: "JetBrains Mono", monospace;
}
.case-body details[open] summary::before { content: "\2212"; }
.case-body details[open] summary { margin-bottom: 0.8em; }
.case-body details h4 {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 1rem;
  margin: 1.2em 0 0.4em;
  color: var(--fg);
}
.case-body details h4:first-of-type { margin-top: 0; }
.case-body details p { font-size: 0.95rem; }

/* Expandable detail inside a timeline entry */
.timeline-item details {
  margin-top: 0.6em;
}
.timeline-item details summary {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  cursor: pointer;
  list-style: none;
}
.timeline-item details summary::-webkit-details-marker { display: none; }
.timeline-item details summary::before {
  content: "+ ";
}
.timeline-item details[open] summary::before {
  content: "\2212 ";
}
.timeline-item details p {
  font-family: "Merriweather", Georgia, serif;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--muted);
  margin: 0.5em 0 0;
}
.timeline-item details ul {
  margin: 0.5em 0 0;
  padding-left: 1.2em;
}
.timeline-item details li {
  font-family: "Merriweather", Georgia, serif;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--muted);
  margin-bottom: 0.4em;
}

/* Section intro on About */
.section-intro {
  max-width: 720px;
  margin: 3.5em auto 0;
  text-align: left;
}
.section-intro h2 {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 1.4rem;
  margin: 0 0 0.3em;
  color: var(--fg);
}
.section-intro p {
  font-family: "Merriweather", Georgia, serif;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

/* Avatar photo */
.avatar {
  border-radius: 50%;
  border: 3px solid var(--accent);
  background: var(--card);
  object-fit: cover;
  flex-shrink: 0;
}
.avatar-lg { width: 160px; height: 160px; }
.avatar-sm { width: 64px; height: 64px; border-width: 2px; }

.intro-row {
  display: flex;
  align-items: center;
  gap: 2em;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.7s ease-out 0.1s forwards;
}
.intro-row .lead { margin: 0; text-align: left; }
@media (max-width: 640px) {
  .intro-row { flex-direction: column; text-align: center; }
  .intro-row .lead { text-align: center; }
}