:root {
  color-scheme: dark;
  --bg: #0b0d12;
  --bg-soft: #0f1219;
  --panel: #11151e;
  --panel-hover: #151a25;
  --border: #252b39;
  --border-strong: #343c4f;
  --text: #f3f6fc;
  --muted: #9aa5b8;
  --faint: #6b7689;
  --accent: #7dd3fc;
  --accent-2: #a78bfa;
  --accent-soft: rgba(125, 211, 252, 0.12);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --max-width: 1120px;
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f7f8fb;
    --bg-soft: #ffffff;
    --panel: #ffffff;
    --panel-hover: #f3f6fb;
    --border: #e0e5ee;
    --border-strong: #c9d1df;
    --text: #111722;
    --muted: #526075;
    --faint: #78849a;
    --accent: #087ea4;
    --accent-2: #6d4aff;
    --accent-soft: rgba(8, 126, 164, 0.09);
    --shadow: 0 24px 70px rgba(21, 35, 58, 0.08);
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(900px 520px at 12% -8%, var(--accent-soft), transparent 65%),
    radial-gradient(800px 500px at 88% 4%, rgba(167, 139, 250, 0.1), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.42;
  background-image:
    linear-gradient(to right, var(--border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 10;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--text);
  color: var(--bg);
  font-weight: 650;
  text-decoration: none;
}

.skip-link:focus {
  top: 16px;
}

.site-header {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  font-weight: 720;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: linear-gradient(145deg, var(--panel), var(--bg-soft));
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 16px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.brand-dot {
  color: var(--accent);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-header nav a {
  padding: 8px 12px;
  border-radius: 9px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 560;
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease;
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
  color: var(--text);
  background: var(--panel);
}

main {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  padding: clamp(64px, 11vw, 132px) 0 clamp(56px, 9vw, 96px);
  max-width: 860px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 22px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.pulse {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 5px var(--accent-soft);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.55;
    transform: scale(0.82);
  }
}

.hero h1 {
  margin: 0 0 26px;
  font-size: clamp(2.6rem, 7vw, 5.4rem);
  font-weight: 760;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.hero h1 span {
  color: var(--muted);
}

.lede {
  max-width: 610px;
  margin: 0 0 32px;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.8vw, 1.18rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--border-strong);
  border-radius: 11px;
  background: var(--panel);
  color: var(--text);
  font-size: 0.94rem;
  font-weight: 620;
  text-decoration: none;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.button:hover,
.button:focus-visible {
  border-color: var(--accent);
  background: var(--panel-hover);
  transform: translateY(-1px);
}

.button-primary {
  border-color: transparent;
  background: var(--accent);
  color: #06121a;
}

.button-primary:hover,
.button-primary:focus-visible {
  border-color: transparent;
  background: #a5e3ff;
  color: #06121a;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-meta strong {
  color: var(--text);
  font-weight: 650;
}

.projects {
  padding: 24px 0 clamp(64px, 10vw, 110px);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 26px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.035em;
}

.section-head p {
  max-width: 380px;
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  text-align: right;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 260px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--panel), var(--bg-soft));
  box-shadow: var(--shadow);
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(140deg, rgba(125, 211, 252, 0.07), transparent 42%);
  opacity: 0;
  transition: opacity 180ms ease;
}

.card:hover {
  border-color: var(--border-strong);
  background: var(--panel-hover);
  transform: translateY(-3px);
}

.card:hover::after {
  opacity: 1;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
}

.card-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--bg);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1rem;
}

.badge {
  padding: 4px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.28rem;
  letter-spacing: -0.025em;
}

.card p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 22px;
}

.tags span {
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--bg);
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.card-link {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 620;
  text-decoration: none;
}

.card-link span {
  color: var(--accent);
  transition: transform 160ms ease;
}

.card-link:hover span,
.card-link:focus-visible span {
  transform: translate(2px, -2px);
}

.card-links {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: auto;
}

.card-links .card-link {
  margin-top: 0;
}

.card-portfolio {
  background: linear-gradient(160deg, var(--bg-soft), var(--panel));
}

.about {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 6vw, 80px);
  padding: clamp(48px, 8vw, 78px) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about h2 {
  margin: 0;
  max-width: 420px;
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.about-copy p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 0.97rem;
}

.about-copy strong {
  color: var(--text);
  font-weight: 650;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-footer {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
  padding: 30px 0 44px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  color: var(--faint);
  font-size: 0.82rem;
}

.site-footer p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

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

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

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
  }

  .site-header nav {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .site-header nav a {
    padding: 6px 8px;
  }

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

  .section-head {
    display: block;
  }

  .section-head p {
    margin-top: 8px;
    text-align: left;
  }

  .about {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .hero-meta {
    gap: 10px 18px;
  }
}

@media (max-width: 460px) {
  .site-header {
    width: calc(100% - 28px);
    padding-top: 18px;
    flex-direction: column;
    gap: 12px;
  }

  main,
  .site-footer {
    width: calc(100% - 28px);
  }

  .hero {
    padding-top: 44px;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 12vw, 3.2rem);
  }

  .card {
    padding: 20px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}