:root{
  --bg: #ffffff;
  --text: #0b0b0f;
  --muted: #6b7280;
  --line: rgba(0,0,0,.08);
  --card: #f5f5f7;
  --dark: #0b0b0f;
  --darkText: #f5f5f7;
  --accent: #d8f3dc;
  --radius: 18px;
  --max: 1080px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

a{color:inherit}
.muted{color:var(--muted); font-size: 14px}

/* Nav */
.nav{
  position: sticky;
  top:0;
  z-index: 50;
  background: rgba(255,255,255,.75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav__inner{
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  font-weight: 700;
  letter-spacing: -0.2px;
}
.brand__dot{
  width:10px;height:10px;border-radius:999px;
  background: #111;
  display:inline-block;
}
.nav__links{
  display:flex;
  align-items:center;
  gap:18px;
}
.nav__links a{
  text-decoration:none;
  color: rgba(0,0,0,.75);
  font-weight: 500;
  font-size: 14px;
}
.nav__links a:hover{color: rgba(0,0,0,1)}

.nav__menu{
  display:none;
  border:0;
  background: transparent;
  padding: 8px;
  border-radius: 10px;
}
.nav__menu span{
  display:block;
  width:22px;height:2px;
  background:#111;
  margin:5px 0;
}

.nav__drawer{
  display:none;
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 18px 18px;
  gap:12px;
}
.nav__drawer a{
  display:block;
  padding: 12px 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  text-decoration:none;
  font-weight: 600;
}

/* Hero */
.hero{
  padding: 64px 18px 32px;
}
.hero__inner{
  max-width: var(--max);
  margin:0 auto;
  text-align:center;
}
.eyebrow{
  display:inline-flex;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(0,0,0,.02);
  color: rgba(0,0,0,.75);
  font-weight: 600;
  font-size: 13px;
}
.hero__title{
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: -1.5px;
  margin: 18px 0 14px;
}
.hero__subtitle{
  max-width: 820px;
  margin: 0 auto 22px;
  color: var(--muted);
  font-size: 16px;
}
.hero__cta{
  display:flex;
  justify-content:center;
  gap:12px;
  margin: 18px 0 26px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 12px 16px;
  border-radius: 999px;
  background: #111;
  color: #fff;
  text-decoration:none;
  font-weight: 600;
  border: 1px solid #111;
  font-size: 14px;
}
.btn--ghost{
  background: transparent;
  color: #111;
  border: 1px solid var(--line);
}
.btn--small{padding: 10px 14px; font-size: 13px}

.hero__stats{
  display:flex;
  justify-content:center;
  gap:18px;
  flex-wrap:wrap;
  margin-top: 22px;
}
.stat{
  min-width: 160px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(0,0,0,.02);
}
.stat__num{
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.6px;
}
.stat__label{
  color: var(--muted);
  font-size: 13px;
  margin-top: 2px;
}

/* Band */
.band{
  padding: 10px 18px 36px;
}
.band__inner{
  max-width: var(--max);
  margin:0 auto;
}
.band__card{
  border-radius: var(--radius);
  background: var(--card);
  padding: 26px;
  border: 1px solid var(--line);
}
.band__title{
  margin:0 0 8px;
  letter-spacing: -0.6px;
}
.band__text{margin:0; color: var(--muted)}

/* Sections */
.section{
  padding: 46px 18px;
}
.section__head{
  max-width: var(--max);
  margin: 0 auto 18px;
}
.section__head h2{
  margin: 0 0 6px;
  letter-spacing: -0.8px;
  font-size: 28px;
}
.section__head p{
  margin:0;
  color: var(--muted);
}

/* Grid Tiles (Apple-ish) */
.grid{
  max-width: var(--max);
  margin: 18px auto 0;
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
.tile{
  grid-column: span 6;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  overflow:hidden;
  min-height: 220px;
  display:flex;
  justify-content:space-between;
}
.tile--dark{
  background: var(--dark);
  color: var(--darkText);
  border-color: rgba(255,255,255,.08);
}
.tile--accent{
  background: var(--accent);
}
.tile--wide{
  grid-column: span 12;
  min-height: 260px;
}

.tile__content{
  padding: 22px;
  display:flex;
  flex-direction:column;
  gap: 10px;
}
.tile__kicker{
  margin:0;
  font-size: 12px;
  letter-spacing: .2px;
  text-transform: uppercase;
  color: rgba(0,0,0,.65);
}
.tile--dark .tile__kicker{color: rgba(255,255,255,.65)}
.tile__title{
  margin:0;
  font-size: 24px;
  letter-spacing: -0.6px;
}
.tile__desc{
  margin:0;
  color: rgba(0,0,0,.72);
}
.tile--dark .tile__desc{color: rgba(255,255,255,.72)}
.tile__actions{margin-top:auto}

.link{
  text-decoration:none;
  font-weight: 600;
  color:#111;
}
.tile--dark .link{color:#fff}
.link--dark{color:#111}

/* Visual glyph */
.tile__visual{
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 18px;
  min-width: 140px;
}
.glyph{
  width: 86px;
  height: 86px;
  border-radius: 22px;
  background: rgba(0,0,0,.12);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.tile--dark .glyph{
  background: rgba(255,255,255,.12);
}
.glyph--dark{
  background: rgba(0,0,0,.10);
}

/* Repo list */
.repoList{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 8px;
}
.repoItem{
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
}
.repoItem a{
  text-decoration:none;
  font-weight: 700;
  display:block;
}
.repoMeta{
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.skeleton{
  height: 58px;
  border-radius: 14px;
  background: linear-gradient(90deg, rgba(0,0,0,.06), rgba(0,0,0,.02), rgba(0,0,0,.06));
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
  border: 1px solid var(--line);
}
@keyframes shimmer{
  0%{background-position: 0% 50%}
  100%{background-position: 200% 50%}
}

/* Cards */
.cards{
  max-width: var(--max);
  margin: 18px auto 0;
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.card{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  padding: 18px;
  text-decoration:none;
}
.card h3{
  margin: 0 0 8px;
  letter-spacing: -0.4px;
}
.card p{
  margin: 0 0 10px;
  color: var(--muted);
}
.card:hover{transform: translateY(-2px); transition: .2s ease}

/* About */
.about{
  max-width: var(--max);
  margin: 18px auto 0;
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.about__box{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  padding: 20px;
}
.about__box h3{margin:0 0 10px}
.about__box p{margin:0; color: var(--muted)}

/* Contact */
.contact{
  max-width: var(--max);
  margin: 18px auto 0;
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
}

/* Footer */
.footer{
  padding: 28px 18px 60px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  text-align:center;
}

/* Responsive */
@media (max-width: 860px){
  .nav__links{display:none}
  .nav__menu{display:block}
  .nav__drawer.open{display:grid}
  .tile{grid-column: span 12}
  .cards{grid-template-columns: 1fr}
  .about{grid-template-columns: 1fr}
  .repoList{grid-template-columns: 1fr}
}