:root {
  color-scheme: dark;
  --text: #fffaf2;
  --muted: rgba(255, 250, 242, 0.72);
  --soft: rgba(255, 250, 242, 0.54);
  --panel: rgba(255, 255, 255, 0.16);
  --panel-strong: rgba(255, 255, 255, 0.24);
  --line: rgba(255, 255, 255, 0.16);
  --focus: #9ff1d9;
  --shadow: rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #101827;
}

body {
  min-height: 100vh;
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

.site-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(90deg, rgba(6, 10, 15, 0.78), rgba(6, 10, 15, 0.42) 42%, rgba(6, 10, 15, 0.68)),
    url("./assets/images/bg.png");
  background-position: center;
  background-size: cover;
}

.site-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 78%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 78%);
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  width: min(1120px, calc(100% - 32px));
  min-height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand,
.nav-links a {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.brand {
  color: var(--text);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

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

.page-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 34px;
}

.hero {
  min-height: 54vh;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  align-items: end;
  gap: 36px;
  padding: 44px 0 54px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow,
.section-kicker,
.panel-label {
  color: var(--soft);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1 {
  max-width: 11ch;
  margin-top: 12px;
  font-size: clamp(3.1rem, 9vw, 7rem);
  line-height: 0.9;
  font-weight: 850;
}

.intro {
  max-width: 620px;
  margin-top: 24px;
  color: var(--muted);
  font-size: clamp(1rem, 2.2vw, 1.18rem);
  line-height: 1.8;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
  list-style: none;
}

.tag-list li {
  min-height: 32px;
  padding: 7px 12px;
  color: var(--muted);
  font-size: 0.88rem;
}

.glass-card,
.hero-panel {
  background: var(--panel);
  box-shadow:
    0 18px 48px rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    inset 0 0 24px rgba(255, 255, 255, 0.04);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.glass-card {
  border-radius: 8px;
}

.tag-card {
  border-radius: 999px;
}

.hero-panel {
  padding: 22px;
  border-radius: 8px;
}

.typewriter {
  min-height: 7.4rem;
  margin-top: 18px;
  color: var(--text);
  font-size: clamp(1.55rem, 3.2vw, 2.35rem);
  line-height: 1.18;
  font-weight: 800;
}

.typewriter-cursor {
  display: inline-block;
  width: 0.08em;
  height: 0.9em;
  margin-left: 0.08em;
  border-radius: 999px;
  background: currentColor;
  transform: translateY(0.08em);
  animation: cursor-blink 900ms steps(2, start) infinite;
}

@keyframes cursor-blink {
  50% {
    opacity: 0;
  }
}

.link-section {
  padding: 26px 0 18px;
  scroll-margin-top: 78px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
}

h2 {
  margin-top: 6px;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.15;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(164px, 1fr));
  gap: 10px;
}

.link-card {
  min-height: 128px;
  padding: 16px;
  display: grid;
  grid-template-rows: auto 1fr;
  align-items: center;
  gap: 4px;
  transition: transform 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

.app-card {
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 4px 12px;
}

.project-card {
  grid-template-columns: 1fr;
  align-items: start;
}

.link-card:hover {
  transform: translateY(-3px);
  background: var(--panel-strong);
  box-shadow:
    0 20px 54px rgba(0, 0, 0, 0.26),
    inset 0 1px 0 rgba(255, 255, 255, 0.24),
    inset 0 0 28px rgba(255, 255, 255, 0.06);
}

.link-card:focus-visible,
.brand:focus-visible,
.nav-links a:focus-visible,
.site-footer a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.card-icon {
  grid-row: 1 / span 2;
  width: 42px;
  height: 42px;
  border-radius: 9px;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.24);
}

.card-title {
  max-width: 100%;
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 750;
  overflow-wrap: anywhere;
}

.card-description {
  align-self: start;
  color: var(--soft);
  font-size: 0.82rem;
  line-height: 1.45;
}

.site-footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 28px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 18px;
  color: rgba(255, 250, 242, 0.62);
  font-size: 0.82rem;
}

.site-footer a {
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 820px) {
  .site-nav,
  .page-shell,
  .site-footer {
    width: min(100% - 24px, 1120px);
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    align-items: start;
    gap: 22px;
    padding: 28px 0 34px;
  }

  h1 {
    max-width: 10ch;
  }

  .hero-panel {
    padding: 18px;
  }

  .section-heading {
    display: block;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .link-card {
    min-height: 118px;
    padding: 14px;
    gap: 4px 10px;
  }

  .app-card {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .card-icon {
    width: 38px;
    height: 38px;
  }
}

@media (max-width: 460px) {
  .nav-links {
    gap: 12px;
  }

  .brand,
  .nav-links a {
    font-size: 0.78rem;
  }

  .tag-list {
    gap: 7px;
  }

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

  .site-footer {
    justify-content: center;
    text-align: center;
  }
}

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

  .link-card {
    transition: none;
  }

  .link-card:hover {
    transform: none;
  }
}