:root {
  --font-head: 'Sora', sans-serif;
  --font-body: 'Space Grotesk', sans-serif;
  --bg: #0d1117;
  --surface: #121926;
  --surface-soft: #1b2436;
  --text: #e6ebf2;
  --muted: #9aa7bd;
  --accent: #28c4a8;
  --accent-2: #35e8c6;
  --ring: rgba(53, 232, 198, 0.35);
  --shadow: 0 22px 50px rgba(0, 0, 0, 0.35);
}

:root[data-theme='light'] {
  --bg: #f5f8ff;
  --surface: #ffffff;
  --surface-soft: #edf2ff;
  --text: #10192b;
  --muted: #4f5d75;
  --accent: #0e9f85;
  --accent-2: #12b79a;
  --ring: rgba(14, 159, 133, 0.25);
  --shadow: 0 22px 44px rgba(15, 35, 67, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(circle at 20% 10%, rgba(40, 196, 168, 0.14), transparent 28%),
    radial-gradient(circle at 80% 0%, rgba(53, 232, 198, 0.12), transparent 20%),
    radial-gradient(circle at 80% 80%, rgba(40, 196, 168, 0.08), transparent 26%),
    var(--bg);
  line-height: 1.5;
  overflow-x: hidden;
}

.noise-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.04;
  z-index: -1;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.3' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.45'/%3E%3C/svg%3E");
}

.site-header,
.section,
.site-footer {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 14px;
  z-index: 30;
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: color-mix(in srgb, var(--surface) 84%, transparent);
  border: 1px solid color-mix(in srgb, var(--surface-soft) 60%, white 10%);
  border-radius: 18px;
  padding: 0.75rem 1rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.brand {
  font: 700 1rem/1 var(--font-head);
  letter-spacing: 0.06em;
  color: var(--text);
  text-decoration: none;
}

.main-nav {
  display: flex;
  gap: 1rem;
}

.main-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

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

.section {
  padding: 5rem 0;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  align-items: center;
  min-height: calc(100vh - 140px);
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--accent-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  font-family: var(--font-head);
  margin: 0;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 6vw, 3.7rem);
  line-height: 1.1;
  max-width: 16ch;
}

.hero .subhead {
  margin: 1.1rem 0 0;
  max-width: 58ch;
  color: var(--muted);
}

.hero-cta-row,
.connect-links {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.btn,
.ghost-btn {
  border: 0;
  border-radius: 12px;
  font-family: var(--font-body);
  font-weight: 600;
  padding: 0.72rem 1.1rem;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.2s ease, background 0.2s ease;
  cursor: pointer;
}

.btn:active,
.ghost-btn:active {
  transform: translateY(1px) scale(0.99);
}

.btn.primary {
  color: #06251f;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 24px color-mix(in srgb, var(--accent) 36%, transparent);
}

.btn.primary:hover {
  transform: translateY(-2px);
}

.btn.secondary,
.ghost-btn {
  color: var(--text);
  border: 1px solid color-mix(in srgb, var(--surface-soft) 72%, white 10%);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
}

.hero-panel {
  position: relative;
  min-height: 320px;
  border: 1px solid color-mix(in srgb, var(--surface-soft) 74%, white 6%);
  border-radius: 24px;
  padding: 1.3rem;
  background:
    linear-gradient(155deg, color-mix(in srgb, var(--surface) 93%, transparent), color-mix(in srgb, var(--surface-soft) 85%, transparent));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(8px);
  opacity: 0.5;
  animation: float 8s ease-in-out infinite;
}

.orb-a {
  width: 180px;
  height: 180px;
  top: -40px;
  right: -20px;
  background: radial-gradient(circle, rgba(53, 232, 198, 0.8), transparent 70%);
}

.orb-b {
  width: 150px;
  height: 150px;
  bottom: -20px;
  left: -35px;
  background: radial-gradient(circle, rgba(40, 196, 168, 0.8), transparent 72%);
  animation-delay: -3.2s;
}

.hero-metric-card {
  position: relative;
  background: color-mix(in srgb, var(--surface-soft) 76%, transparent);
  border: 1px solid color-mix(in srgb, var(--surface-soft) 74%, white 12%);
  border-radius: 16px;
  padding: 1rem;
  margin-bottom: 0.8rem;
}

.hero-metric-card.small {
  max-width: 270px;
}

.metric-label {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

.metric-value {
  margin: 0.25rem 0 0;
  font-size: 1.38rem;
  font-family: var(--font-head);
}

.section-heading {
  margin-bottom: 1.25rem;
}

.section-heading p {
  max-width: 64ch;
  color: var(--muted);
}

.projects-grid,
.featured-grid {
  display: grid;
  gap: 1rem;
}

.projects-grid {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.project-card,
.featured-card {
  border: 1px solid color-mix(in srgb, var(--surface-soft) 74%, white 8%);
  background: color-mix(in srgb, var(--surface) 95%, transparent);
  border-radius: 18px;
  padding: 1rem;
  box-shadow: var(--shadow);
  transform-style: preserve-3d;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.project-card:hover,
.featured-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 34%, white 12%);
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 0.6rem;
}

.platform-pill {
  font-size: 0.72rem;
  color: var(--accent-2);
  border: 1px solid color-mix(in srgb, var(--accent) 44%, transparent);
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  white-space: nowrap;
}

.project-card p,
.featured-card p {
  color: var(--muted);
}

.tag-row {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin: 0.8rem 0;
}

.tag {
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-soft) 80%, transparent);
  font-size: 0.78rem;
}

.card-actions {
  margin-top: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.bookmark-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.bookmark-btn.active {
  color: var(--accent-2);
}

.project-stat {
  margin: 0.2rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.hidden-link {
  display: none;
}

.featured-grid {
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.featured-card {
  background:
    linear-gradient(160deg, color-mix(in srgb, var(--surface) 94%, transparent), color-mix(in srgb, var(--surface-soft) 84%, transparent));
}

.featured-meta {
  display: grid;
  gap: 0.35rem;
  margin-top: 0.8rem;
}

.about,
.connect {
  display: grid;
  gap: 1rem;
  align-items: start;
}

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

.connect {
  text-align: center;
  justify-items: center;
}

.site-footer {
  padding: 2rem 0 3rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@keyframes float {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, 8px, 0);
  }
}

@media (max-width: 920px) {
  .hero,
  .about {
    grid-template-columns: 1fr;
  }

  .main-nav {
    display: none;
  }

  .site-header {
    justify-content: space-between;
  }
}

@media (max-width: 520px) {
  .section {
    padding: 3.9rem 0;
  }

  .site-header {
    top: 8px;
  }
}