:root {
  --bg: #08111f;
  --bg-soft: #101b2d;
  --card: rgba(255, 255, 255, 0.075);
  --card-strong: rgba(255, 255, 255, 0.11);
  --text: #f4f7fb;
  --muted: #aebbd0;
  --faint: #6f819b;
  --line: rgba(255, 255, 255, 0.14);
  --accent: #f0b35a;
  --accent-2: #72d6c9;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(114, 214, 201, 0.22), transparent 32rem),
    radial-gradient(circle at 80% 10%, rgba(240, 179, 90, 0.18), transparent 28rem),
    linear-gradient(180deg, #08111f 0%, #0b1424 45%, #070c15 100%);
  color: var(--text);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
p { margin: 0; color: var(--muted); }

.page-shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -0.03em; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #09101c;
  font-size: 0.9rem;
  box-shadow: 0 12px 40px rgba(114, 214, 201, 0.18);
}
.site-nav { display: flex; gap: 18px; color: var(--muted); font-size: 0.94rem; }
.site-nav a:hover { color: var(--text); }

.section { padding: 88px 0; }
.section-grid {
  min-height: 690px;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 54px;
}
.eyebrow {
  margin-bottom: 14px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
h1, h2, h3 { margin: 0; line-height: 1.05; letter-spacing: -0.055em; }
h1 { font-size: clamp(3.3rem, 8vw, 6.8rem); max-width: 760px; }
h2 { font-size: clamp(2rem, 4vw, 3.6rem); max-width: 850px; }
h3 { font-size: 1.25rem; letter-spacing: -0.035em; }
.hero-lede { margin-top: 26px; max-width: 680px; font-size: clamp(1.08rem, 2vw, 1.35rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-weight: 800;
}
.button.primary { background: var(--text); color: #09101c; }
.button.ghost { background: rgba(255,255,255,0.05); color: var(--text); }
.button:hover { transform: translateY(-1px); }

.hero-card {
  min-height: 460px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.12), rgba(255,255,255,0.04)),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.035) 0 1px, transparent 1px 14px);
  box-shadow: var(--shadow);
  display: flex;
  align-items: flex-end;
  padding: 28px;
  overflow: hidden;
}
.photo-placeholder strong { display: block; margin: 12px 0 6px; font-size: 1.45rem; line-height: 1.15; letter-spacing: -0.04em; }
.placeholder-label {
  display: inline-flex;
  border: 1px dashed rgba(255,255,255,0.35);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
}

.section-heading { display: grid; gap: 10px; margin-bottom: 28px; }
.section-heading.compact { margin-bottom: 32px; }
.glass-card, .topic-card, .project-card, .notes-card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 28px;
  box-shadow: 0 18px 70px rgba(0,0,0,0.18);
}
.about-copy { padding: clamp(24px, 4vw, 42px); display: grid; gap: 18px; }
.about-copy p { font-size: 1.05rem; }
.about-copy .quote { color: var(--text); font-weight: 800; font-size: 1.25rem; }

.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.topic-card { padding: 24px; min-height: 245px; transition: transform 180ms ease, background 180ms ease; }
.topic-card:hover { transform: translateY(-4px); background: var(--card-strong); }
.topic-card .icon { display: inline-block; margin-bottom: 22px; font-size: 1.8rem; }
.topic-card h3 { margin-bottom: 12px; }
.placeholder-card { border-style: dashed; }

.split-section { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 40px; align-items: start; }
.sticky-heading { position: sticky; top: 92px; }
.project-list { display: grid; gap: 16px; }
.project-card { padding: 28px; }
.project-meta { color: var(--accent-2); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.13em; text-transform: uppercase; margin-bottom: 10px; }
.project-card p { margin: 12px 0 20px; }
.project-card a { color: var(--text); font-weight: 800; }

.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gallery-item {
  min-height: 190px;
  border: 1px dashed rgba(255,255,255,0.25);
  border-radius: 26px;
  background: rgba(255,255,255,0.045);
  display: grid;
  place-items: center;
  color: var(--faint);
  font-weight: 800;
}

.notes-card { padding: clamp(26px, 5vw, 52px); }
.notes-card p:not(.eyebrow) { max-width: 780px; font-size: 1.08rem; }
.terminal {
  margin-top: 28px;
  padding: 18px;
  border-radius: 18px;
  background: rgba(0,0,0,0.32);
  border: 1px solid rgba(255,255,255,0.1);
  color: #d9fff9;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.9rem;
  display: grid;
  gap: 6px;
  overflow-x: auto;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 34px 0 54px;
  border-top: 1px solid var(--line);
  color: var(--faint);
}
.footer-note { color: var(--muted); }

@media (max-width: 920px) {
  .site-nav { display: none; }
  .section-grid, .split-section { grid-template-columns: 1fr; min-height: auto; padding-top: 74px; }
  .hero-card { min-height: 330px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .sticky-heading { position: static; }
}

@media (max-width: 560px) {
  .page-shell { width: min(100% - 28px, 1120px); }
  .section { padding: 58px 0; }
  .card-grid, .gallery-grid { grid-template-columns: 1fr; }
  .site-footer { flex-direction: column; }
  h1 { font-size: clamp(2.8rem, 16vw, 4.4rem); }
}
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 520ms ease, transform 520ms ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-list { display: grid; gap: 16px; }
.feature-card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 28px;
  padding: 28px;
  box-shadow: 0 18px 70px rgba(0,0,0,0.18);
}
.feature-card p { margin-top: 12px; }
.science-card {
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 10% 0%, rgba(114, 214, 201, 0.18), transparent 22rem),
    radial-gradient(circle at 90% 30%, rgba(240, 179, 90, 0.14), transparent 22rem),
    var(--card);
  border-radius: 34px;
  padding: clamp(26px, 5vw, 52px);
  box-shadow: 0 18px 70px rgba(0,0,0,0.18);
}
.science-card p { max-width: 820px; font-size: 1.08rem; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.tag-cloud span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.055);
  color: var(--text);
  font-weight: 800;
  font-size: 0.88rem;
  padding: 8px 12px;
}
.mini-grid { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 920px) { .mini-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .mini-grid { grid-template-columns: 1fr; } }