:root {
  --bg: #e6ebe8;
  --bg-deep: #d5ddd8;
  --ink: #121612;
  --ink-soft: #3d463f;
  --muted: #6a756d;
  --line: rgba(18, 22, 18, 0.12);
  --accent: #c24b1a;
  --accent-deep: #8f3410;
  --glow: rgba(194, 75, 26, 0.18);
  --surface: rgba(255, 255, 255, 0.42);
  --font-display: "Bricolage Grotesque", Georgia, serif;
  --font-body: "Outfit", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 85% -10%, rgba(194, 75, 26, 0.16), transparent 55%),
    radial-gradient(900px 600px at -10% 30%, rgba(45, 90, 72, 0.14), transparent 50%),
    linear-gradient(165deg, #edf1ee 0%, var(--bg) 42%, #dfe7e2 100%);
  background-attachment: fixed;
  min-height: 100vh;
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

#field {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
}

.site-header,
main,
.site-footer,
.mobile-nav {
  position: relative;
  z-index: 1;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem clamp(1.25rem, 4vw, 3rem);
  position: sticky;
  top: 0;
  backdrop-filter: blur(14px);
  background: rgba(230, 235, 232, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
  z-index: 20;
}

.site-header.scrolled {
  border-bottom-color: var(--line);
  background: rgba(230, 235, 232, 0.88);
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.04em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--ink);
}

.nav-cta {
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--ink);
  color: var(--ink) !important;
  transition: background 0.25s var(--ease), color 0.25s var(--ease) !important;
}

.nav-cta:hover {
  background: var(--ink);
  color: var(--bg) !important;
}

.menu-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

.menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  transition: transform 0.3s var(--ease);
}

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 15;
  background: rgba(230, 235, 232, 0.97);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 6vw, 2.4rem);
  font-weight: 600;
}

.mobile-nav[hidden] {
  display: none;
}

.hero {
  min-height: calc(100vh - 4.5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 6vh, 4rem) clamp(1.25rem, 4vw, 3rem) 3rem;
  max-width: var(--max);
  margin: 0 auto;
}

.brand {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 8vw, 5.6rem);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 0.95;
  margin-bottom: 1.5rem;
  background: linear-gradient(120deg, var(--ink) 40%, var(--accent) 140%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.4vw, 2.35rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
  max-width: 18ch;
  color: var(--ink);
  margin-bottom: 1.15rem;
}

.lede {
  max-width: 38rem;
  font-size: clamp(1.02rem, 1.6vw, 1.15rem);
  color: var(--ink-soft);
  font-weight: 300;
  margin-bottom: 2rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: #fff8f4;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
}

.btn-ghost {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}

.btn-ghost:hover {
  background: var(--ink);
  color: var(--bg);
}

.btn-lg {
  padding: 1rem 1.6rem;
  font-size: 1.05rem;
}

.hero-meta {
  margin-top: auto;
  padding-top: 4rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.88rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.hero-meta .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
}

.section {
  padding: clamp(4.5rem, 10vh, 7rem) clamp(1.25rem, 4vw, 3rem);
  max-width: var(--max);
  margin: 0 auto;
}

.section-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.15;
  margin-bottom: 2.75rem;
  max-width: 14ch;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.about-grid h2 {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.25;
}

.about-body p {
  color: var(--ink-soft);
  margin-bottom: 1rem;
  font-weight: 300;
}

.inline-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.inline-links a {
  font-weight: 500;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
  transition: color 0.2s ease;
}

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

.timeline {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.exp {
  display: grid;
  grid-template-columns: minmax(200px, 0.9fr) 1.4fr;
  gap: 1.5rem 2.5rem;
  padding: 1.85rem 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s var(--ease);
}

.exp:hover {
  background: var(--surface);
}

.exp-meta h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.org {
  font-weight: 500;
  color: var(--ink-soft);
}

.org span {
  color: var(--muted);
  font-weight: 400;
}

.exp time {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.exp-desc {
  color: var(--ink-soft);
  font-weight: 300;
  padding-top: 0.15rem;
}

.projects {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}

.project {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1.25rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
  transition: transform 0.35s var(--ease);
}

.project:hover {
  transform: translateX(6px);
}

.project-index {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  padding-top: 0.35rem;
}

.project-body h3 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.55rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 0.65rem;
}

.project-body p {
  color: var(--ink-soft);
  font-weight: 300;
  max-width: 48rem;
  margin-bottom: 1rem;
}

.tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.tags li {
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 500;
}

.tags li::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 0.45rem;
  background: var(--accent);
  vertical-align: middle;
  opacity: 0.7;
}

.skills {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem 2.5rem;
}

.skill-block h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.skill-block p {
  color: var(--ink-soft);
  font-weight: 300;
  font-size: 0.98rem;
}

.edu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem 3rem;
  margin-top: 0.5rem;
}

.edu-grid h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}

.edu-grid p {
  color: var(--ink-soft);
  font-weight: 300;
  margin-bottom: 0.35rem;
}

.edu-grid time {
  font-size: 0.85rem;
  color: var(--muted);
}

.pubs {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.pubs-heading {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.pub-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.pub-list li {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.pub-list a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.pub-list a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.pub-list span {
  font-size: 0.88rem;
  color: var(--muted);
  font-weight: 400;
}

.contact {
  max-width: none;
  padding-left: 0;
  padding-right: 0;
}

.contact-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 10vh, 6.5rem) clamp(1.25rem, 4vw, 3rem);
  background:
    linear-gradient(135deg, rgba(194, 75, 26, 0.1), transparent 50%),
    rgba(255, 255, 255, 0.35);
  border-block: 1px solid var(--line);
  text-align: center;
}

.contact h2 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 0.85rem;
}

.contact-lede {
  color: var(--ink-soft);
  font-weight: 300;
  margin-bottom: 2rem;
  max-width: 28rem;
  margin-inline: auto;
}

.contact-cv {
  margin-top: 0.85rem;
}

.contact-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2rem;
  font-weight: 500;
}

.contact-links a {
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

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

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem clamp(1.25rem, 4vw, 3rem);
  max-width: var(--max);
  margin: 0 auto;
  font-size: 0.85rem;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  animation: rise 0.9s var(--ease) forwards;
}

.delay-1 {
  animation-delay: 0.12s;
}
.delay-2 {
  animation-delay: 0.24s;
}
.delay-3 {
  animation-delay: 0.36s;
}
.delay-4 {
  animation-delay: 0.5s;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 860px) {
  .about-grid,
  .exp,
  .skills,
  .edu-grid {
    grid-template-columns: 1fr;
  }

  .exp {
    gap: 0.65rem;
  }

  .nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero h1 {
    max-width: none;
  }

  .project {
    grid-template-columns: 3rem 1fr;
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .project:hover,
  .btn:hover {
    transform: none;
  }
}