@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
  color-scheme: dark;
  --page: #050505;
  --card: #0f0f0f;
  --card-strong: #141414;
  --text: #e5e7eb;
  --white: #ffffff;
  --dim: #a1a1aa;
  --muted: #71717a;
  --border: #27272a;
  --accent: #3b82f6;
  --accent-glow: #60a5fa;
  --success: #22c55e;
  --max-width: 1180px;
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 50% 5%, rgba(59, 130, 246, 0.12), transparent 30rem),
    var(--page);
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  background-image:
    linear-gradient(to right, rgba(39, 39, 42, 0.48) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(39, 39, 42, 0.48) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(to bottom, transparent, black 12%, black 88%, transparent);
}

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

button {
  color: inherit;
  font: inherit;
}

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

::selection {
  background: rgba(59, 130, 246, 0.42);
  color: var(--white);
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--page);
}

::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: #333;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.65rem 1rem;
  border-radius: 0.5rem;
  background: var(--white);
  color: #111;
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 2rem), var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 5, 5, 0.78);
  backdrop-filter: blur(16px);
}

.nav-shell {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  color: var(--white);
  font-family: "JetBrains Mono", monospace;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.brand:hover,
.brand:focus-visible {
  color: var(--accent-glow);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  position: relative;
  padding: 0.35rem 0;
  color: var(--dim);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.nav-link::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  content: "";
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link[aria-current="page"] {
  color: var(--white);
}

.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  background: rgba(15, 15, 15, 0.8);
  cursor: pointer;
}

.menu-button span,
.menu-button::before,
.menu-button::after {
  display: block;
  width: 18px;
  height: 1px;
  margin: 4px auto;
  content: "";
  background: var(--white);
}

.mobile-nav {
  display: none;
  padding: 0 1rem 1rem;
}

.mobile-nav.is-open {
  display: grid;
}

.mobile-nav .nav-link {
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.glass {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(15, 15, 15, 0.74);
  backdrop-filter: blur(12px);
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--accent-glow);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.page-hero {
  padding: 6.5rem 0 3.5rem;
}

.page-title,
.hero-title {
  margin: 0;
  color: var(--white);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.page-title {
  max-width: 900px;
  font-size: clamp(3rem, 8vw, 6.6rem);
}

.hero-title {
  max-width: 980px;
  font-size: clamp(3.25rem, 9vw, 7.4rem);
}

.gradient-text {
  color: transparent;
  background: linear-gradient(115deg, var(--white), var(--dim) 62%, var(--accent-glow));
  background-clip: text;
}

.lead {
  max-width: 760px;
  margin: 1.5rem 0 0;
  color: var(--dim);
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  font-weight: 300;
}

.hero {
  min-height: calc(100vh - var(--header-height));
  display: grid;
  align-items: center;
  padding: 4.5rem 0 2.5rem;
}

.status-pill {
  width: fit-content;
  margin-bottom: 1.6rem;
  padding: 0.55rem 0.85rem;
  border: 1px solid rgba(59, 130, 246, 0.32);
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-glow);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-pill::before {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  margin-right: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0.9rem var(--accent);
  content: "";
}

.identity-line {
  max-width: 840px;
  margin: 1.6rem 0 0;
  color: var(--dim);
  font-family: "JetBrains Mono", monospace;
  font-size: clamp(0.76rem, 1.5vw, 0.92rem);
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.1rem;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 0.7rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.045em;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--white);
  color: #09090b;
}

.button-primary:hover,
.button-primary:focus-visible {
  box-shadow: 0 0 24px rgba(255, 255, 255, 0.16);
}

.button-secondary {
  border-color: var(--border);
  background: rgba(15, 15, 15, 0.7);
  color: var(--white);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(59, 130, 246, 0.65);
  box-shadow: 0 0 24px rgba(59, 130, 246, 0.14);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 660px;
  margin-top: 4.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.stat {
  padding: 0 1.25rem;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.stat:first-child {
  padding-left: 0;
}

.stat:last-child {
  border-right: 0;
}

.stat strong {
  display: block;
  color: var(--white);
  font-size: 1.65rem;
  line-height: 1.2;
}

.stat span {
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.section {
  padding: 4rem 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.75rem;
}

.section-heading h2 {
  margin: 0;
  color: var(--white);
  font-size: clamp(1.75rem, 4vw, 2.65rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.section-heading p {
  max-width: 600px;
  margin: 0;
  color: var(--dim);
}

.grid-3,
.grid-2 {
  display: grid;
  gap: 1rem;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-card {
  position: relative;
  overflow: hidden;
  padding: 1.35rem;
  border-radius: 1rem;
}

.info-card h3 {
  margin: 0 0 0.5rem;
  color: var(--white);
  font-size: 1.15rem;
}

.info-card p {
  margin: 0;
  color: var(--dim);
  font-size: 0.94rem;
}

.card-label {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--accent-glow);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.tag-list li,
.tag {
  padding: 0.35rem 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--dim);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.66rem;
}

.home-project {
  min-height: 245px;
  display: flex;
  flex-direction: column;
  justify-content: end;
  transition: transform 180ms ease, border-color 180ms ease;
}

.home-project:hover,
.home-project:focus-visible {
  border-color: rgba(59, 130, 246, 0.52);
  transform: translateY(-4px);
}

.home-project::before {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(to top, rgba(5, 5, 5, 0.98), rgba(5, 5, 5, 0.18));
}

.home-project > * {
  position: relative;
  z-index: 2;
}

.home-project img {
  position: absolute;
  inset: 50% auto auto 50%;
  width: 72%;
  max-height: 210px;
  object-fit: contain;
  opacity: 0.17;
  transform: translate(-50%, -50%);
  filter: grayscale(0.35);
}

.project-list {
  display: grid;
  gap: 1rem;
}

.project-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 1.15rem;
  background: rgba(15, 15, 15, 0.82);
  transition: border-color 220ms ease, box-shadow 220ms ease, transform 220ms ease;
}

.project-card:hover,
.project-card:focus-within,
.project-card.is-expanded {
  border-color: rgba(59, 130, 246, 0.58);
  box-shadow: 0 18px 70px -42px rgba(59, 130, 246, 0.62);
  transform: translateY(-2px);
}

.project-card::after {
  position: absolute;
  inset: 0;
  z-index: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(110deg, rgba(5, 5, 5, 0.99) 18%, rgba(5, 5, 5, 0.88) 55%, rgba(5, 5, 5, 0.52));
}

.project-mark {
  position: absolute;
  top: 50%;
  right: 2rem;
  z-index: 0;
  width: min(36%, 360px);
  max-height: 260px;
  object-fit: contain;
  opacity: 0.14;
  transform: translateY(-50%);
  transition: opacity 220ms ease, transform 320ms ease;
}

.project-card:hover .project-mark,
.project-card:focus-within .project-mark,
.project-card.is-expanded .project-mark {
  opacity: 0.22;
  transform: translateY(-50%) scale(1.04);
}

.project-mark-asme {
  width: min(42%, 420px);
}

.personal-mark {
  position: absolute;
  top: 50%;
  right: 3rem;
  z-index: 0;
  color: rgba(96, 165, 250, 0.14);
  font-family: "JetBrains Mono", monospace;
  font-size: clamp(3rem, 10vw, 7rem);
  font-weight: 700;
  transform: translateY(-50%);
}

.project-content {
  position: relative;
  z-index: 2;
  padding: 1.5rem;
}

.project-summary {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr) auto;
  align-items: start;
  gap: 1.25rem;
}

.project-number {
  color: var(--accent-glow);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
}

.project-heading h2 {
  margin: 0;
  color: var(--white);
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.14;
  letter-spacing: -0.025em;
}

.project-meta {
  margin: 0.45rem 0 0;
  color: var(--accent-glow);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.project-toggle {
  min-width: 42px;
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: rgba(5, 5, 5, 0.66);
  color: var(--white);
  cursor: pointer;
  transition: border-color 180ms ease, transform 220ms ease;
}

.project-toggle:hover,
.project-toggle:focus-visible {
  border-color: var(--accent);
}

.project-card:hover .project-toggle,
.project-card:focus-within .project-toggle,
.project-card.is-expanded .project-toggle {
  transform: rotate(45deg);
}

.project-details {
  max-width: 790px;
  max-height: 0;
  margin-left: 4.75rem;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-0.4rem);
  transition: max-height 360ms ease, opacity 240ms ease, transform 280ms ease, padding 360ms ease;
}

.project-card:hover .project-details,
.project-card:focus-within .project-details,
.project-card.is-expanded .project-details {
  max-height: 32rem;
  padding-top: 1.25rem;
  opacity: 1;
  transform: translateY(0);
}

.project-details p {
  margin: 0;
  color: var(--dim);
}

.project-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  margin-top: 1rem;
}

.project-fact {
  padding: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 0.7rem;
  background: rgba(255, 255, 255, 0.025);
}

.project-fact strong {
  display: block;
  color: var(--white);
  font-size: 0.82rem;
}

.project-fact span {
  color: var(--muted);
  font-size: 0.76rem;
}

.about-layout,
.experience-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.7fr);
  gap: 1.25rem;
  align-items: start;
}

.prose-card,
.sidebar-card {
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: 1rem;
}

.prose-card h2,
.sidebar-card h2 {
  margin: 0 0 1rem;
  color: var(--white);
  font-size: 1.35rem;
}

.prose-card p {
  margin: 0 0 1rem;
  color: var(--dim);
}

.prose-card p:last-child {
  margin-bottom: 0;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.organization-card {
  min-height: 255px;
  display: flex;
  flex-direction: column;
  justify-content: end;
}

.organization-card .org-watermark,
.organization-card img {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  max-width: 58%;
  max-height: 115px;
  object-fit: contain;
  color: rgba(96, 165, 250, 0.14);
  font-family: "JetBrains Mono", monospace;
  font-size: 2.9rem;
  font-weight: 700;
  opacity: 0.18;
}

.organization-card > *:not(img):not(.org-watermark) {
  position: relative;
  z-index: 2;
}

.credential-list {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.credential-list li {
  padding-bottom: 0.65rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: var(--text);
  font-size: 0.9rem;
}

.credential-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.certificate-image {
  margin-top: 1rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0.8rem;
}

.certificate-image img {
  width: 100%;
  max-height: 240px;
  object-fit: cover;
}

.timeline {
  position: relative;
  display: grid;
  gap: 1rem;
}

.timeline::before {
  position: absolute;
  top: 1.5rem;
  bottom: 1.5rem;
  left: 1.4rem;
  width: 1px;
  content: "";
  background: var(--border);
}

.role-card {
  position: relative;
  padding: 1.45rem 1.45rem 1.45rem 4rem;
  border-radius: 1rem;
}

.role-card::before {
  position: absolute;
  top: 1.75rem;
  left: 1.1rem;
  z-index: 2;
  width: 0.62rem;
  height: 0.62rem;
  border: 3px solid var(--page);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0.9rem rgba(59, 130, 246, 0.65);
  content: "";
}

.role-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.role-header h2 {
  margin: 0;
  color: var(--white);
  font-size: 1.25rem;
  line-height: 1.2;
}

.role-org {
  margin: 0.35rem 0 0;
  color: var(--accent-glow);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.74rem;
}

.role-date {
  flex: 0 0 auto;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  text-align: right;
}

.role-card ul {
  margin: 1rem 0 0;
  padding-left: 1.05rem;
  color: var(--dim);
}

.role-card li + li {
  margin-top: 0.35rem;
}

.contact-panel {
  max-width: 820px;
  margin: 1.25rem auto 5rem;
  padding: clamp(1.5rem, 5vw, 3.5rem);
  border-radius: 1.2rem;
  text-align: center;
}

.contact-panel h1 {
  margin: 0;
  color: var(--white);
  font-size: clamp(2.7rem, 8vw, 5.5rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.contact-panel p {
  max-width: 590px;
  margin: 1.25rem auto 0;
  color: var(--dim);
  font-size: 1.1rem;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
  margin-top: 2rem;
}

.site-footer {
  padding: 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
}

.footer-shell button {
  border: 0;
  background: none;
  color: var(--dim);
  cursor: pointer;
}

.footer-shell button:hover,
.footer-shell button:focus-visible {
  color: var(--accent-glow);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--accent-glow);
  outline-offset: 3px;
}

@media (max-width: 860px) {
  .desktop-nav {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .grid-3,
  .focus-grid {
    grid-template-columns: 1fr;
  }

  .grid-2,
  .about-layout,
  .experience-layout {
    grid-template-columns: 1fr;
  }

  .section-heading {
    display: block;
  }

  .section-heading p {
    margin-top: 0.75rem;
  }

  .project-mark {
    right: 0.75rem;
    width: 44%;
  }

  .project-details {
    margin-left: 0;
  }

  .project-card:not(.is-expanded) .project-details {
    max-height: 0;
    padding-top: 0;
    opacity: 0;
  }

  .project-card.is-expanded .project-details {
    max-height: 42rem;
    padding-top: 1.25rem;
    opacity: 1;
  }

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

@media (max-width: 560px) {
  :root {
    --header-height: 66px;
  }

  .container {
    width: min(calc(100% - 1.25rem), var(--max-width));
  }

  .hero {
    min-height: auto;
    padding: 4rem 0 2.5rem;
  }

  .page-hero {
    padding: 4.5rem 0 2.5rem;
  }

  .button-row,
  .contact-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .stats {
    margin-top: 3rem;
  }

  .stat {
    padding: 0 0.65rem;
  }

  .stat strong {
    font-size: 1.3rem;
  }

  .project-content {
    padding: 1.15rem;
  }

  .project-summary {
    grid-template-columns: 2.2rem minmax(0, 1fr) auto;
    gap: 0.7rem;
  }

  .project-mark,
  .personal-mark {
    opacity: 0.08;
  }

  .role-card {
    padding: 1.25rem 1.1rem 1.25rem 3.3rem;
  }

  .role-header {
    display: block;
  }

  .role-date {
    margin-top: 0.5rem;
    text-align: left;
  }

  .timeline::before {
    left: 1.1rem;
  }

  .role-card::before {
    left: 0.8rem;
  }

  .footer-shell {
    flex-direction: column;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}