:root {
  --color-bg: #0A0A0A;
  --color-surface: #111111;
  --color-surface-2: #1A1A1A;
  --color-text-primary: #F0F0F0;
  --color-text-muted: #888888;
  --color-accent: #2563EB;
  --color-accent-glow: rgba(37, 99, 235, 0.15);
  --color-accent-light: #60A5FA;
  --color-border: rgba(255, 255, 255, 0.06);
  --font-accent: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --section-padding: clamp(80px, 10vw, 140px);
  --container-max: 1100px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
img, svg { display: block; max-width: 100%; }
section, footer { scroll-margin-top: 96px; }

.container { width: min(100% - 2rem, var(--container-max)); margin: 0 auto; }
.section { padding: var(--section-padding) 0; position: relative; }
.section-label,
.tag,
.project-heading,
.status-pill,
.expertise-card h3,
.panel-label,
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(3rem, 6.4vw, 5.6rem);
  font-family: var(--font-body);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.045em;
}

h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; }
h3 { font-size: 1.4rem; font-weight: 500; }
p { font-size: 1rem; font-weight: 300; color: var(--color-text-primary); }

.section-header { display: grid; gap: 0.75rem; margin-bottom: 2.5rem; }
.section-label,
.eyebrow,
.panel-label,
.project-heading,
.status-pill { color: var(--color-accent-light); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  background: rgba(10, 10, 10, 0.8);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  width: 48px;
  height: 48px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.03);
}

.brand img {
  width: 24px;
  height: 24px;
}

.nav-links { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.nav-link { color: var(--color-text-muted); transition: color 0.2s ease; }
.nav-link:hover,
.nav-link.is-active { color: var(--color-accent-light); }

.hero {
  min-height: calc(100vh - 76px);
  display: flex;
  align-items: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 90%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  top: 8%;
  right: max(2rem, 8vw);
  width: clamp(220px, 32vw, 380px);
  aspect-ratio: 1;
  background: var(--color-accent-glow);
  border-radius: 50%;
  filter: blur(36px);
  pointer-events: none;
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: clamp(3.5rem, 8vw, 7rem);
  align-items: center;
}

.hero-copy,
.impact-content,
.project-card,
.expertise-card,
.insight-card,
.hero-aside,
.hero-panel,
.site-footer .footer-content {
  position: relative;
  z-index: 1;
}

.hero-copy { display: grid; gap: 1.25rem; max-width: 680px; }
.hero-copy h1 span { display: block; }
.hero-copy h1 { max-width: 10ch; }
.hero-subheadline {
  max-width: 30ch;
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  font-weight: 400;
  color: var(--color-text-primary);
}
.hero-description { max-width: 58ch; color: var(--color-text-muted); }

.hero-aside {
  display: grid;
  gap: 1rem;
}

.profile-card,
.hero-panel,
.project-card,
.expertise-card,
.insight-card,
.metric {
  border: 1px solid var(--color-border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.hero-panel,
.metric {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
}

.profile-card {
  padding: 0.85rem;
  border-radius: 24px;
  background: var(--color-surface);
}

.profile-image {
  width: 100%;
  border-radius: 18px;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.profile-meta {
  display: grid;
  gap: 0.25rem;
  padding: 0.9rem 0.35rem 0.2rem;
}

.profile-name {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

.profile-description {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 28px;
  border-radius: 8px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.button:hover { transform: translateY(-1px); }
.button-primary { background: var(--color-accent); color: #fff; }
.button-primary:hover { background: var(--color-accent-light); }
.button-secondary { border: 1px solid var(--color-border); color: var(--color-text-primary); background: rgba(255, 255, 255, 0.02); }
.button-secondary:hover { border-color: rgba(96, 165, 250, 0.35); }

.hero-panel {
  padding: 1.5rem;
  border-radius: 24px;
  backdrop-filter: blur(12px);
  display: grid;
  gap: 1.25rem;
}

.panel-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
}

.panel-item span {
  color: var(--color-accent-light);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.panel-item h2 {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.panel-item p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.impact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}

.impact-content { display: grid; gap: 2rem; }
.impact-title { font-size: 1.2rem; font-weight: 500; }
.rich-text { display: grid; gap: 1rem; }
.rich-text p:last-child { color: var(--color-text-muted); }

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

.metric { border-radius: 16px; padding: 1.5rem; }
.metric strong {
  display: block;
  margin-bottom: 0.5rem;
  font-size: clamp(2rem, 4vw, 3rem);
  font-family: var(--font-accent);
  line-height: 1;
}
.metric span { color: var(--color-text-muted); font-size: 0.95rem; }

.projects-grid,
.insights-grid,
.expertise-grid {
  display: grid;
  gap: 1.5rem;
}

.projects-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.expertise-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.insights-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.project-card {
  background: var(--color-surface);
  border-radius: 16px;
  padding: 40px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.project-card:hover,
.expertise-card:hover,
.insight-card:hover,
.profile-card:hover,
.metric:hover,
.hero-panel:hover {
  border-color: rgba(96, 165, 250, 0.35);
  box-shadow: 0 18px 48px rgba(37, 99, 235, 0.08);
  transform: translateY(-2px);
}

.project-card,
.insight-card,
.expertise-card { display: grid; gap: 1.25rem; }
.project-details { display: grid; gap: 1rem; }
.project-heading { margin-bottom: 0.35rem; }
.project-details p:last-child { color: var(--color-text-muted); }

.pill-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.pill,
.status-pill,
.tag {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  padding: 0.5rem 0.85rem;
}

.pill { color: var(--color-text-primary); font-size: 0.95rem; }
.tag,
.status-pill { color: var(--color-accent-light); }

.project-link {
  width: fit-content;
  color: var(--color-accent-light);
  font-weight: 500;
}

.expertise-card,
.insight-card {
  padding: 2rem;
  border-radius: 16px;
  background: var(--color-surface);
}

.expertise-card h3 { color: var(--color-text-primary); }
.insight-card p { color: var(--color-text-muted); }

.site-footer {
  border-top: 1px solid var(--color-border);
  background:
    radial-gradient(circle at top center, rgba(37, 99, 235, 0.12), transparent 40%),
    var(--color-bg);
}

.footer-content {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 1rem;
}

.footer-subtitle,
.footer-note { color: var(--color-text-muted); }

.contact-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin: 1rem 0 0.5rem;
}

.contact-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.95rem 1.15rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.contact-links a:hover {
  border-color: rgba(96, 165, 250, 0.35);
  transform: translateY(-2px);
}

.contact-links svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  color: var(--color-accent-light);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

a:focus-visible,
.button:focus-visible {
  outline: 2px solid var(--color-accent-light);
  outline-offset: 4px;
}

@media (max-width: 960px) {
  .hero-layout,
  .impact-grid,
  .projects-grid,
  .expertise-grid,
  .insights-grid,
  .metrics {
    grid-template-columns: 1fr;
  }

  .hero { min-height: auto; }
}

@media (max-width: 640px) {
  .nav { min-height: auto; padding: 1rem 0; align-items: flex-start; flex-direction: column; }
  .nav-links { gap: 1rem; }
  .project-card,
  .expertise-card,
  .insight-card,
  .profile-card,
  .hero-panel { padding: 1.5rem; }

  .profile-card { padding: 0.75rem; }

  .contact-links a { width: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  [data-reveal] { opacity: 1; transform: none; }
}