:root {
  --bg: #0f1112;
  --panel: #171a1c;
  --line: #ffffff1f;
  --text: #ece8e1;
  --muted: #9a9d99;
  --accent: #c17645;
  --serif: Georgia, "Times New Roman", serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  margin: 0;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration-color: #c1764580;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent);
}

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

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.1;
  margin: 0;
}

h1 em, h2 em {
  color: var(--accent);
}

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  border-top: 1px solid var(--line);
  padding: 96px 0;
}

.label, .kicker {
  color: var(--muted);
  letter-spacing: .2em;
  text-transform: uppercase;
  margin: 0 0 20px;
  font-size: 11px;
  font-weight: 600;
}

.kicker::before {
  content: "";
  background: var(--accent);
  vertical-align: middle;
  width: 28px;
  height: 1px;
  margin-right: 12px;
  display: inline-block;
}

/* Header */
.top {
  z-index: 10;
  background: #0f1112e6;
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  display: flex;
  position: sticky;
  top: 0;
}

.name {
  font-family: var(--serif);
  text-decoration: none;
  font-size: 20px;
}

nav {
  gap: 28px;
  display: flex;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 11px;
}

/* Hero */
.hero {
  border-top: 0;
  grid-template-columns: 200px 1fr;
  align-items: center;
  gap: 56px;
  padding: 110px 0 100px;
  display: grid;
}

.portrait {
  border: 1px solid var(--line);
  border-radius: 50%;
  width: 200px;
  height: 200px;
}

h1 {
  letter-spacing: -.02em;
  font-size: clamp(44px, 7vw, 84px);
}

.lead {
  color: #c9c5be;
  max-width: 560px;
  margin: 28px 0 0;
  font-size: 18px;
}

/* Work */
.work-card {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 32px;
}

.work-card h2 {
  margin-bottom: 10px;
  font-size: 34px;
}

.work-card p {
  margin: 0;
}

.work-card h2 a {
  text-decoration: none;
}

.work-card .links {
  margin-top: 18px;
}

.aside {
  color: var(--muted);
  margin: 18px 0 0;
  font-size: 14px;
}

/* Projects */
.projects > h2, .ai > h2, .contact > h2 {
  margin-bottom: 48px;
  font-size: clamp(34px, 5vw, 56px);
}

.project {
  border: 1px solid var(--line);
  background: var(--panel);
  grid-template-columns: 1.1fr 1fr;
  margin-bottom: 24px;
  display: grid;
}

.project-image {
  background: #000;
  overflow: hidden;
}

.project-image {
  align-self: center;
}

.project-image img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
  transition: transform .5s;
}

.project-image:hover img {
  transform: scale(1.02);
}

.project-text {
  padding: 32px;
}

.project-text h3 {
  margin-bottom: 14px;
  font-size: 30px;
}

.project-text p {
  color: #c9c5be;
  margin: 0 0 18px;
}

.links {
  flex-wrap: wrap;
  gap: 12px 24px;
  display: flex;
}

.links a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid #c1764566;
  padding-bottom: 2px;
}

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

/* How I work with AI */
.principles {
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  display: grid;
}

.principles > div {
  background: var(--panel);
  padding: 28px 30px;
}

.principles h3 {
  margin-bottom: 10px;
  font-size: 23px;
}

.principles p {
  color: #c9c5be;
  margin: 0;
}

.cert {
  align-items: center;
  gap: 24px;
  margin: 40px 0 0;
  display: flex;
}

.cert img {
  border: 1px solid var(--line);
  width: 220px;
}

.cert figcaption {
  color: var(--muted);
  font-size: 14px;
}

/* Contact + footer */
.contact .links {
  font-size: 18px;
}

footer {
  color: var(--muted);
  border-top: 1px solid var(--line);
  justify-content: space-between;
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 24px 40px;
  font-size: 13px;
  display: flex;
}

footer p {
  margin: 0;
}

@media (width <= 760px) {
  .kicker {
    letter-spacing: .12em;
  }

  nav {
    gap: 16px;
  }

  nav a:not(:last-child) {
    display: none;
  }

  section {
    padding: 72px 0;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 64px 0 72px;
  }

  .portrait {
    width: 120px;
    height: 120px;
  }

  .project, .principles {
    grid-template-columns: 1fr;
  }

  .project-text, .work-card {
    padding: 24px;
  }

  .cert {
    flex-direction: column;
    align-items: flex-start;
  }

  footer {
    flex-direction: column;
    gap: 8px;
  }
}

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

  .project-image img {
    transition: none;
  }
}