:root {
  --font-sans: "Avenir Next", "Segoe UI", "Helvetica Neue", "Nimbus Sans", sans-serif;
  --font-mono: "SFMono-Regular", Menlo, Consolas, monospace;

  --purple-200: #bb86fc;
  --purple-500: #6200ee;
  --purple-700: #3700b3;
  --teal-200: #03dac5;
  --teal-700: #018786;
  --black: #000000;
  --white: #ffffff;
  --splash-background: #008b8b;

  --color-bg: var(--black);
  --color-surface: rgba(255, 255, 255, 0.06);
  --color-surface-muted: rgba(55, 0, 179, 0.2);
  --color-text: var(--white);
  --color-text-muted: rgba(255, 255, 255, 0.82);
  --color-line: rgba(187, 134, 252, 0.38);
  --color-accent: var(--teal-200);
  --color-accent-strong: var(--teal-700);

  --shadow-soft: 0 14px 30px rgba(0, 0, 0, 0.45);
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;

  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;
  --space-8: 5rem;

  --container-width: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background:
    radial-gradient(circle at 12% -5%, rgba(98, 0, 238, 0.36), rgba(98, 0, 238, 0) 34rem),
    radial-gradient(circle at 78% 95%, rgba(0, 139, 139, 0.24), rgba(0, 139, 139, 0) 24rem),
    radial-gradient(circle at 88% 10%, rgba(3, 218, 197, 0.2), rgba(3, 218, 197, 0) 30rem),
    var(--color-bg);
  line-height: 1.6;
}

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

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

p {
  margin: 0 0 var(--space-3);
  color: var(--color-text-muted);
}

h1,
h2,
h3 {
  margin: 0 0 var(--space-3);
  color: var(--color-text);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

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

.section {
  padding: var(--space-7) 0;
}

.section-muted {
  background: var(--color-surface-muted);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: var(--space-3);
  top: var(--space-3);
  width: auto;
  height: auto;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  z-index: 1000;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.9);
  border-bottom: 1px solid var(--color-line);
  backdrop-filter: blur(10px);
}

.nav-bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
  gap: var(--space-3);
}

.brand {
  font-size: 0.96rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
}

.nav-links a {
  display: inline-flex;
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--color-text);
  background: rgba(187, 134, 252, 0.18);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
}

.hero {
  padding-top: var(--space-8);
  padding-bottom: var(--space-6);
}

.hero-photo {
  margin: 0 0 var(--space-4);
  width: clamp(150px, 22vw, 230px);
  border-radius: 1.25rem;
  overflow: hidden;
  border: 1px solid rgba(187, 134, 252, 0.45);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.42);
  background: rgba(255, 255, 255, 0.06);
}

.hero-photo img {
  width: 100%;
  height: auto;
}

.eyebrow {
  margin-bottom: var(--space-2);
  font-size: 0.8rem;
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.hero h1 {
  margin-bottom: var(--space-2);
  font-size: clamp(2.1rem, 5vw, 3.5rem);
}

.hero-lead {
  margin-bottom: var(--space-3);
  max-width: 48rem;
  color: var(--color-text);
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
}

.hero-copy {
  max-width: 44rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.hero-flair {
  margin-top: var(--space-4);
  display: inline-flex;
  flex-direction: column;
  gap: 0.55rem;
}

.hero-flair-label {
  margin: 0;
  color: var(--color-accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-flair-link {
  display: inline-flex;
  padding: 0.45rem;
  border: 1px solid var(--color-line);
  border-radius: 0.8rem;
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.35);
}

.hero-flair-link img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 0.45rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 0.68rem 1rem;
  font-weight: 700;
  font-size: 0.92rem;
  transition:
    transform 0.16s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-accent);
  color: #000;
  box-shadow: 0 8px 18px rgba(3, 218, 197, 0.28);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-accent-strong);
}

.btn-secondary {
  background: var(--color-surface);
  border-color: var(--color-line);
  color: var(--color-text);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.1);
}

h2 {
  margin-bottom: var(--space-4);
  font-size: clamp(1.45rem, 3vw, 1.9rem);
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.skill-card,
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-soft);
}

.skill-card h3 {
  margin-bottom: var(--space-3);
  font-size: 1.08rem;
}

.chip-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.chip-list li {
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: rgba(187, 134, 252, 0.12);
  color: var(--color-text);
  padding: 0.28rem 0.62rem;
  font-size: 0.82rem;
  font-weight: 600;
}

.work-intro {
  margin-bottom: var(--space-5);
}

.work-intro p {
  max-width: 42rem;
  margin-bottom: 0;
  font-size: 1.05rem;
}

.project-showcase-list {
  display: grid;
  gap: var(--space-6);
}

.project-feature {
  display: grid;
  grid-template-columns: minmax(280px, 390px) minmax(0, 1fr);
  grid-template-areas: "shot content";
  gap: var(--space-5);
  align-items: center;
}

.project-feature--reverse {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 390px);
  grid-template-areas: "content shot";
}

.project-shot {
  grid-area: shot;
  margin: 0;
  padding: 0.75rem;
  border-radius: 1.8rem;
  border: 1px solid rgba(187, 134, 252, 0.55);
  background:
    linear-gradient(160deg, rgba(98, 0, 238, 0.3), rgba(3, 218, 197, 0.16)),
    rgba(255, 255, 255, 0.05);
  box-shadow: 0 26px 52px rgba(0, 0, 0, 0.5);
}

.project-shot img {
  width: 100%;
  height: auto;
  border-radius: 1.35rem;
  display: block;
  background: rgba(255, 255, 255, 0.04);
}

.project-content {
  grid-area: content;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-soft);
}

.project-label {
  margin-bottom: 0.6rem;
  color: var(--color-accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.project-content h3 {
  margin-bottom: var(--space-3);
  font-size: clamp(1.4rem, 2.8vw, 2rem);
}

.project-summary {
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
  font-size: 1.02rem;
}

.project-tech-heading {
  margin-bottom: 0.65rem;
  color: var(--color-accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-tech-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.project-tech-list li {
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: rgba(98, 0, 238, 0.2);
  color: var(--color-text);
  padding: 0.3rem 0.7rem;
  font-size: 0.82rem;
  font-weight: 600;
}

.timeline {
  list-style: none;
  display: grid;
  gap: var(--space-3);
  margin: 0;
}

.career-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: var(--space-5);
  align-items: start;
}

.career-intro {
  margin-bottom: var(--space-4);
  max-width: 48rem;
  font-size: 1rem;
}

.timeline-item {
  position: relative;
  padding: var(--space-3) var(--space-3) var(--space-3) calc(var(--space-4) + 0.2rem);
  margin-left: var(--space-1);
  border-left: 2px solid var(--color-line);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 1.2rem;
  left: -0.54rem;
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 999px;
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
}

.timeline-meta {
  margin: 0 0 0.3rem;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.timeline-item h3 {
  margin-bottom: 0.45rem;
  font-size: 1.08rem;
}

.timeline-item p:last-child {
  margin-bottom: 0;
}

.education-card {
  position: sticky;
  top: 5.5rem;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(3, 218, 197, 0.52);
  background:
    linear-gradient(155deg, rgba(3, 218, 197, 0.2), rgba(55, 0, 179, 0.28)),
    rgba(255, 255, 255, 0.06);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.48);
}

.education-label {
  margin-bottom: 0.65rem;
  color: var(--white);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.education-card h3 {
  margin-bottom: 0.5rem;
  font-size: clamp(1.35rem, 2.1vw, 1.7rem);
}

.education-school {
  margin-bottom: 0.5rem;
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
}

.education-year {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.95rem;
  font-weight: 700;
}

.contact-copy {
  max-width: 42rem;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.site-footer {
  border-top: 1px solid var(--color-line);
  padding: var(--space-4) 0;
  background: rgba(255, 255, 255, 0.03);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.footer-content p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

:focus-visible {
  outline: 3px solid rgba(3, 218, 197, 0.5);
  outline-offset: 2px;
}

@media (max-width: 1020px) {
  .project-feature,
  .project-feature--reverse {
    grid-template-columns: 1fr;
    grid-template-areas:
      "shot"
      "content";
    gap: var(--space-4);
  }

  .project-shot {
    max-width: 390px;
    justify-self: center;
  }

  .project-content {
    padding: var(--space-4);
  }

  .career-layout {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .education-card {
    position: static;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
    padding: 0.7rem 1rem 1rem;
    background: rgba(0, 0, 0, 0.96);
    border-bottom: 1px solid var(--color-line);
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
    transition: max-height 0.25s ease, opacity 0.2s ease;
  }

  .site-header.is-open .nav-links {
    max-height: 16rem;
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    width: 100%;
    padding-inline: 0.2rem;
  }
}

@media (max-width: 780px) {
  .section {
    padding: var(--space-6) 0;
  }

  .skill-grid {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    margin-left: 0;
  }

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

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

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}