:root {
  --display: "Space Grotesk", "Segoe UI", sans-serif;
  --sans: "Archivo", "Segoe UI", sans-serif;
  --bg: #0b1220;
  --bg-elevated: #111827;
  --bg-subtle: #152033;
  --text: #e8eef7;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --accent: #2dd4bf;
  --accent-hover: #5eead4;
  --accent-soft: rgba(45, 212, 191, 0.12);
  --border: #1e293b;
  --border-light: #334155;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --max: 1100px;
  --gutter: clamp(1.5rem, 5vw, 3rem);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(45, 212, 191, 0.1), transparent 55%),
    radial-gradient(900px 500px at -10% 20%, rgba(56, 189, 248, 0.07), transparent 50%),
    var(--bg);
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s var(--ease-out);
}

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

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

strong {
  color: var(--text);
  font-weight: 600;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -4rem;
  z-index: 100;
  padding: 0.6rem 0.9rem;
  background: var(--accent);
  color: var(--bg);
  border-radius: 6px;
}

.skip-link:focus {
  top: 1rem;
}

.section-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  transition: background-color 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

.site-header.is-scrolled {
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}

.header-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 1.35rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.site-name:hover {
  color: var(--accent);
}

.nav {
  display: none;
  gap: 1.5rem;
}

.nav a {
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
}

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

.hero {
  position: relative;
  min-height: min(100vh, 900px);
  display: flex;
  align-items: flex-end;
  padding: 7rem 0 5rem;
  overflow: clip;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.45;
}

.hero-grid {
  position: relative;
  z-index: 1;
}

.hero-grid::after {
  content: "";
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  bottom: -5rem;
  height: 8rem;
  background: linear-gradient(to bottom, transparent, var(--bg));
  pointer-events: none;
}

.hero-name {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3.6rem, 11vw, 8.5rem);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.045em;
  color: var(--text);
}

.hero-name em {
  font-style: normal;
  font-weight: 600;
}

.hero-rule {
  width: 0;
  height: 3px;
  margin: 1.4rem 0 1.6rem;
  background: var(--accent);
  animation: rule-extend 0.9s var(--ease) 0.35s forwards;
}

.hero-tagline {
  margin: 0 0 1.25rem;
  max-width: 20ch;
  font-family: var(--display);
  font-size: clamp(1.55rem, 3.2vw, 2.35rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.03em;
}

.hero-bio {
  margin: 0 0 1rem;
  max-width: 38rem;
  color: var(--text-secondary);
  font-size: clamp(1.02rem, 1.6vw, 1.15rem);
}

.building,
.agents,
.skills,
.career,
.contact {
  padding: clamp(4.5rem, 10vh, 7rem) 0;
}

.agents-layout {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.agents-title {
  margin: 0 0 1rem;
  max-width: 18ch;
  font-family: var(--display);
  font-size: clamp(1.85rem, 3.6vw, 2.75rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.agents-intro {
  margin: 0 0 1.75rem;
  max-width: 36rem;
  color: var(--text-secondary);
  font-size: 1.08rem;
}

.agents-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.15rem;
}

.agents-points li {
  padding-left: 1.1rem;
  border-left: 2px solid var(--accent);
  color: var(--text-secondary);
  font-size: 0.98rem;
}

.agents-points strong {
  display: block;
  margin-bottom: 0.2rem;
  font-family: var(--display);
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.agents-stage {
  position: relative;
  min-height: 320px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background:
    radial-gradient(ellipse at 50% 40%, rgba(45, 212, 191, 0.1), transparent 60%),
    var(--bg-elevated);
  overflow: hidden;
}

.agents-canvas {
  display: block;
  width: 100%;
  height: 340px;
}

.agents-caption {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0.9rem;
  text-align: center;
  font-family: var(--display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.section-label {
  display: block;
  font-family: var(--display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2.25rem;
}

.building-list {
  display: grid;
  gap: 0;
}

.building-item {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}

.building-item.flagship {
  padding-top: 2.4rem;
  padding-bottom: 2.4rem;
}

.building-name {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin: 0 0 0.85rem;
  font-family: var(--display);
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.project-mark {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3rem;
  height: 2.5rem;
  padding: 0 0.55rem;
  border-radius: 8px;
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--border));
  color: var(--accent);
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1;
}

.project-mark.sm {
  font-size: 0.95rem;
}

.building-desc {
  margin: 0;
  max-width: 42rem;
  color: var(--text-secondary);
}

.building-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.35rem;
  margin-top: 1rem;
  color: var(--text-tertiary);
  font-size: 0.92rem;
  font-weight: 500;
}

.building-meta .sep {
  color: var(--border-light);
  margin: 0 0.15rem;
}

.skills-intro {
  margin: -0.5rem 0 2rem;
  max-width: 34rem;
  color: var(--text-secondary);
  font-size: 1.15rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.skill-group {
  padding: 1.25rem 0;
  border-top: 1px solid var(--border);
}

.skill-group h3 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

.skill-group p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.98rem;
}

.career-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.career-item {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 1.25rem;
  padding: 1.5rem 0;
}

.career-item + .career-item {
  border-top: 1px solid var(--border);
}

.career-year {
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.career-body h3 {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.career-body p {
  margin: 0;
  color: var(--text-secondary);
}

.contact-title {
  margin: 0 0 1rem;
  max-width: 18ch;
  font-family: var(--display);
  font-size: clamp(2.1rem, 4.5vw, 3.2rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.contact-copy {
  margin: 0 0 1.5rem;
  max-width: 36rem;
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.contact-links {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 500;
}

.contact-links .sep {
  margin: 0 0.55rem;
  color: var(--border-light);
}

.site-footer {
  padding: 2rem 0 3rem;
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes rule-extend {
  from { width: 0; }
  to { width: min(8rem, 30vw); }
}

@media (min-width: 760px) {
  .nav {
    display: flex;
  }

  .agents-layout {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }

  .agents-canvas {
    height: 400px;
  }

  .skills-grid {
    grid-template-columns: 1fr 1fr;
    column-gap: 2.5rem;
  }

  .career-item {
    grid-template-columns: 7rem 1fr;
    gap: 2rem;
  }
}

@media (min-width: 980px) {
  .skills-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

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

  .hero-rule {
    width: min(8rem, 30vw);
    animation: none;
  }

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

  .hero-canvas {
    display: none;
  }

  .agents-canvas {
    display: none;
  }

  .agents-stage {
    min-height: 0;
    padding: 2rem 1rem;
  }

  .agents-caption {
    position: static;
  }
}