:root {
  --bg: 0 0% 100%;
  --bg-alt: 220 16% 97.5%;
  --fg: 220 14% 13%;
  --muted: 220 9% 44%;
  --border: 220 13% 84%;
  --border-strong: 220 13% 74%;
  --accent: 174 70% 36%;
  --accent-soft: 174 70% 36% / .08;
  --accent-fg: 0 0% 100%;
  --shadow-card: 0 10px 28px -14px hsl(220 14% 12% / .22), 0 2px 6px -2px hsl(220 14% 12% / .08);
  --shadow-card-hover: 0 18px 40px -14px hsl(220 14% 12% / .28), 0 4px 10px -2px hsl(220 14% 12% / .12);

  --font-serif: 'Fraunces', 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;

  --max: 1360px;
  --gutter: clamp(1.25rem, 3.5vw, 3rem);
  --section-py: clamp(4rem, 9vw, 7.5rem);
}

[data-theme="dark"] {
  --bg: 220 14% 8%;
  --bg-alt: 220 14% 12%;
  --fg: 0 0% 96%;
  --muted: 220 9% 65%;
  --border: 220 12% 24%;
  --border-strong: 220 12% 32%;
  --accent: 174 72% 56%;
  --accent-soft: 174 72% 56% / .12;
  --accent-fg: 220 14% 8%;
  --shadow-card: 0 10px 28px -10px hsl(0 0% 0% / .65), 0 2px 6px -2px hsl(0 0% 0% / .35);
  --shadow-card-hover: 0 18px 44px -10px hsl(0 0% 0% / .75), 0 4px 10px -2px hsl(0 0% 0% / .45);
}

* { box-sizing: border-box; min-width: 0; }

html { scroll-behavior: smooth; overflow-x: clip; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  background: hsl(var(--bg));
  color: hsl(var(--fg));
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, p, a { overflow-wrap: break-word; }

a { color: inherit; text-decoration: none; transition: color .2s; }
a:hover { color: hsl(var(--accent)); }

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

::selection { background: hsl(var(--accent) / .25); color: hsl(var(--fg)); }

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

.skip-link {
  position: absolute; left: 0; top: 0;
  padding: .55rem 1rem;
  background: hsl(var(--accent)); color: hsl(var(--accent-fg));
  font-weight: 500;
  transform: translateY(-110%);
  transition: transform .2s;
  z-index: 100;
}
.skip-link:focus { transform: translateY(0); }

.muted { color: hsl(var(--muted)); }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: hsl(var(--bg) / .72);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: background-color .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.site-header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: .9rem var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
}
.site-header.is-scrolled {
  background: hsl(var(--bg) / .92);
  border-bottom-color: hsl(var(--border));
  box-shadow: 0 8px 22px -14px hsl(220 14% 12% / .25);
}

.brand {
  font-family: var(--font-serif);
  font-size: 1.02rem;
  font-weight: 500;
  letter-spacing: -.005em;
}

.site-nav { display: none; }
@media (min-width: 720px) {
  .site-nav { display: flex; gap: 2rem; font-size: .92rem; }
  .site-nav a { color: hsl(var(--muted)); }
  .site-nav a:hover { color: hsl(var(--fg)); }
}

.site-social {
  display: none;
  list-style: none;
  padding: 0;
  margin: 0 .5rem 0 0;
  align-items: center;
  gap: .15rem;
}
@media (min-width: 600px) {
  .site-social { display: inline-flex; }
}
.site-social a {
  display: inline-grid; place-items: center;
  width: 34px; height: 34px;
  border-radius: 8px;
  color: hsl(var(--muted));
  transition: color .2s ease, background-color .2s ease;
}
.site-social a:hover {
  color: hsl(var(--accent));
  background: hsl(var(--accent-soft));
}
.site-social .icon { width: 16px; height: 16px; }

.theme-toggle {
  display: inline-grid; place-items: center;
  width: 36px; height: 36px;
  background: transparent;
  color: hsl(var(--muted));
  border: 1.5px solid hsl(var(--border));
  border-radius: 9px;
  cursor: pointer;
  transition: color .2s, border-color .2s;
}
.theme-toggle:hover { color: hsl(var(--fg)); border-color: hsl(var(--fg) / .35); }
.theme-toggle .icon { width: 15px; height: 15px; }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

main { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

section { scroll-margin-top: 5rem; }

.hero {
  padding: clamp(4rem, 10vw, 8rem) 0 clamp(3rem, 6vw, 5rem);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 5vw, 4rem);
  align-items: start;
  margin: 0 0 clamp(2.5rem, 5vw, 4rem);
}
@media (min-width: 760px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 5.5rem);
    align-items: center;
  }
}
.hero-name {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2.6rem, 8vw, 5.4rem);
  line-height: 1;
  letter-spacing: -.028em;
  margin: 0 0 1.1rem;
  font-variation-settings: "opsz" 144, "SOFT" 30;
}
.hero-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 350;
  font-size: clamp(1.25rem, 2.8vw, 1.95rem);
  line-height: 1.25;
  margin: 0 0 1.85rem;
  color: hsl(var(--fg));
  font-variation-settings: "opsz" 14;
}
.accent-dot { color: hsl(var(--accent)); font-style: normal; }

.hero-bio {
  max-width: 56ch;
  font-size: clamp(1.05rem, 1.5vw, 1.18rem);
  color: hsl(var(--muted));
  margin: 0 0 2rem;
}
.hero-bio a {
  color: hsl(var(--fg));
  border-bottom: 1px solid hsl(var(--accent) / .55);
}
.hero-bio a:hover { color: hsl(var(--accent)); border-bottom-color: hsl(var(--accent)); }

.hero-actions {
  display: flex; flex-wrap: wrap;
  gap: .8rem;
  margin: 0;
}

.hero-photo {
  position: relative;
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1.5px solid hsl(var(--border));
  background: hsl(var(--bg-alt));
  box-shadow: var(--shadow-card);
  aspect-ratio: 3 / 4;
  max-height: clamp(380px, 60vw, 560px);
  margin-inline: auto;
  width: 100%;
  max-width: 460px;
  transition: transform .5s cubic-bezier(.2,.7,.2,1), box-shadow .5s ease;
}
.hero-photo:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}
.hero-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 22% 30%;
  transition: transform .8s cubic-bezier(.2,.7,.2,1);
}
.hero-photo:hover img { transform: scale(1.025); }
.hero-photo-caption {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  display: inline-flex; align-items: center;
  gap: .5rem;
  padding: .45rem .8rem;
  border-radius: 999px;
  background: hsl(var(--bg) / .82);
  backdrop-filter: saturate(160%) blur(8px);
  -webkit-backdrop-filter: saturate(160%) blur(8px);
  border: 1px solid hsl(var(--border));
  color: hsl(var(--fg));
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.hero-photo-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: hsl(var(--accent));
  box-shadow: 0 0 0 3px hsl(var(--accent) / .2);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px hsl(var(--accent) / .2); }
  50% { box-shadow: 0 0 0 6px hsl(var(--accent) / 0); }
}

.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .7rem 1.2rem;
  border-radius: 9px;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: .96rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s;
  text-decoration: none;
}
.btn-primary { background: hsl(var(--fg)); color: hsl(var(--bg)); }
.btn-primary:hover { background: hsl(var(--accent)); color: hsl(var(--accent-fg)); }
.btn-ghost { color: hsl(var(--fg)); border-color: hsl(var(--border-strong)); border-width: 1.5px; }
.btn-ghost:hover { color: hsl(var(--accent)); border-color: hsl(var(--accent)); }

.credentials {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex; flex-wrap: wrap;
  gap: .6rem;
}
.cred-pill {
  display: inline-flex; align-items: center;
  gap: .55rem;
  padding: .5rem .9rem;
  border: 1.5px solid hsl(var(--border));
  border-radius: 999px;
  background: hsl(var(--bg));
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .03em;
  color: hsl(var(--fg));
  transition: border-color .25s ease, background-color .25s ease;
}
.cred-pill:hover {
  border-color: hsl(var(--accent) / .5);
  background: hsl(var(--accent-soft));
}
.cred-icon {
  width: 14px; height: 14px;
  color: hsl(var(--accent));
  flex-shrink: 0;
}

.section {
  padding: var(--section-py) 0;
  border-top: 1.5px solid hsl(var(--border));
}

.section-head { margin: 0 0 3rem; max-width: 60ch; }
.section-head-left { margin: 0 0 3rem; max-width: 60ch; text-align: left; }
.section-head-center { margin: 0 auto 3rem; text-align: center; }

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: hsl(var(--accent));
  margin: 0 0 .75rem;
}
.section h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.85rem, 4.4vw, 2.7rem);
  line-height: 1.1;
  letter-spacing: -.015em;
  margin: 0;
  font-variation-settings: "opsz" 96;
}
.section-lede {
  color: hsl(var(--muted));
  font-size: 1.05rem;
  margin: 1rem 0 0;
  max-width: 56ch;
}

.features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 720px) {
  .features {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}
.feature {
  position: relative;
  padding: 1.7rem 1.6rem 1.6rem;
  border: 1.5px solid hsl(var(--border));
  border-radius: 12px;
  background: hsl(var(--bg));
  box-shadow: var(--shadow-card);
  transition: transform .35s cubic-bezier(.2,.7,.2,1), border-color .25s ease, box-shadow .35s ease;
  overflow: hidden;
}
.feature-icon {
  display: inline-grid; place-items: center;
  width: 40px; height: 40px;
  margin: 0 0 1rem;
  border-radius: 10px;
  background: hsl(var(--accent-soft));
  color: hsl(var(--accent));
  transition: background-color .25s ease, transform .35s cubic-bezier(.2,.7,.2,1);
}
.feature-icon svg { width: 20px; height: 20px; }
.feature:hover .feature-icon { transform: translateY(-1px); }
.feature::after {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: hsl(var(--accent));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .35s cubic-bezier(.2,.7,.2,1);
}
.feature:hover {
  transform: translateY(-3px);
  border-color: hsl(var(--accent) / .5);
  box-shadow: var(--shadow-card-hover);
}
.feature:hover::after { transform: scaleY(1); }
.feature-label {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: hsl(var(--accent));
  margin: 0 0 .9rem;
}
.feature-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -.01em;
  margin: 0 0 .55rem;
  font-variation-settings: "opsz" 36;
  line-height: 1.2;
}
.feature-title a {
  color: hsl(var(--fg));
  border-bottom: 1px solid hsl(var(--accent) / .45);
  padding-bottom: 1px;
}
.feature-title a:hover {
  color: hsl(var(--accent));
  border-bottom-color: hsl(var(--accent));
}
.feature-fact {
  color: hsl(var(--muted));
  margin: 0;
  font-size: .98rem;
  line-height: 1.5;
}

.featured-post {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  padding: clamp(1.75rem, 3vw, 2.5rem);
  border: 1.5px solid hsl(var(--border));
  border-radius: 14px;
  background: hsl(var(--bg-alt));
  box-shadow: var(--shadow-card);
  position: relative;
  transition: border-color .25s ease, box-shadow .35s ease, transform .35s cubic-bezier(.2,.7,.2,1);
}
.featured-post:hover {
  border-color: hsl(var(--accent) / .5);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}
@media (min-width: 720px) {
  .featured-post {
    grid-template-columns: 10rem 1fr;
    gap: 2.5rem;
    align-items: start;
  }
}
.post-side {
  display: flex; flex-direction: column;
  gap: .25rem;
  padding-top: .35rem;
}
.post-meta {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: hsl(var(--accent));
  margin: 0;
}
.post-date {
  font-family: var(--font-mono);
  font-size: .82rem;
  color: hsl(var(--muted));
  margin: 0;
}
.post-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -.01em;
  margin: 0 0 1rem;
}
.post-title a { color: hsl(var(--fg)); }
.post-title a:hover { color: hsl(var(--accent)); }
.post-excerpt {
  color: hsl(var(--muted));
  font-size: 1.04rem;
  margin: 0 0 1.2rem;
  max-width: 64ch;
}
.post-link {
  font-family: var(--font-mono);
  font-size: .9rem;
  margin: 0;
}
.post-link a {
  color: hsl(var(--accent));
  display: inline-flex; align-items: baseline; gap: .4rem;
  transition: gap .25s ease;
}
.post-link a:hover { gap: .65rem; }
.more-writing {
  margin: 1.75rem 0 0;
  font-size: .94rem;
  color: hsl(var(--muted));
}
.more-writing a {
  color: hsl(var(--fg));
  border-bottom: 1px solid hsl(var(--accent) / .5);
}
.more-writing a:hover { color: hsl(var(--accent)); border-bottom-color: hsl(var(--accent)); }

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
}
.timeline-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: .35rem;
  padding: 2rem 0;
  border-top: 1px solid hsl(var(--border));
}
.timeline-item:first-child { border-top: 0; padding-top: 0; }
@media (min-width: 720px) {
  .timeline-item {
    grid-template-columns: 200px 1fr;
    gap: 2.5rem;
  }
}
.timeline-when {
  font-family: var(--font-mono);
  font-size: .82rem;
  color: hsl(var(--muted));
  letter-spacing: .03em;
  padding-top: .35rem;
}
.timeline-what h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.4rem;
  line-height: 1.3;
  margin: 0 0 .15rem;
  letter-spacing: -.01em;
  font-variation-settings: "opsz" 36;
}
.timeline-what .role {
  margin: 0 0 .8rem;
  font-size: .92rem;
}
.timeline-what p {
  margin: 0;
  max-width: 70ch;
}

.section-bottom { padding-bottom: clamp(3rem, 6vw, 5rem); }
.bottom-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 5vw, 4rem);
}
@media (min-width: 720px) {
  .bottom-band {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: clamp(3rem, 6vw, 5rem);
  }
}
.bottom-col { scroll-margin-top: 5rem; }
.bottom-col .section-eyebrow { margin: 0 0 .75rem; }
.bottom-col h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.65rem, 3.4vw, 2.2rem);
  line-height: 1.15;
  letter-spacing: -.015em;
  margin: 0 0 1.5rem;
  font-variation-settings: "opsz" 96;
}
.bottom-lede {
  color: hsl(var(--muted));
  font-size: 1rem;
  margin: 0 0 1.5rem;
  max-width: 50ch;
}

.edu-line h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.45rem;
  letter-spacing: -.01em;
  margin: 0 0 .4rem;
  font-variation-settings: "opsz" 36;
}
.edu-line p { margin: 0; }
.edu-marks {
  font-family: var(--font-mono);
  font-size: .85rem;
  margin-top: .55rem;
  letter-spacing: .02em;
}

.contact-email {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  font-weight: 500;
  letter-spacing: -.01em;
  margin: 0 0 1.5rem;
  border-bottom: 1px solid hsl(var(--accent) / .5);
  padding-bottom: 2px;
  color: hsl(var(--fg));
  font-variation-settings: "opsz" 36;
  word-break: break-all;
  max-width: 100%;
  transition: color .2s ease, border-color .2s ease;
}
.contact-email:hover { color: hsl(var(--accent)); border-bottom-color: hsl(var(--accent)); }

.social {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.75rem;
  font-family: var(--font-mono);
  font-size: .88rem;
  color: hsl(var(--muted));
}
.social a {
  position: relative;
  padding-bottom: 1px;
}
.social a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: hsl(var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s cubic-bezier(.2,.7,.2,1);
}
.social a:hover { color: hsl(var(--accent)); }
.social a:hover::after { transform: scaleX(1); }

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem var(--gutter) 3.5rem;
  display: flex; flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  border-top: 1.5px solid hsl(var(--border));
  color: hsl(var(--muted));
  font-size: .86rem;
}
.footer-mono { font-family: var(--font-mono); }

.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1);
  transition-delay: calc(var(--stagger, 0) * 90ms);
  will-change: opacity, transform;
}
.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.btn {
  transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition: none !important; scroll-behavior: auto !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}