:root {
  --bg-top: #161617;
  --bg-bottom: #000000;
  --text: #f5f5f7;
  --subtext: #86868b;
  --accent: #0071e3;
  --card: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.1);
  --nav-bg: rgba(0, 0, 0, 0.75);
}

/* FIX: Ensure overscroll on Mac/iOS stays black */
html {
  background-color: #000;
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 50% -20%, var(--bg-top) 0%, var(--bg-bottom) 80%);
  background-attachment: fixed;
  min-height: 100vh;
  line-height: 1.47;
}

/* Grainy noise texture */
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background-image: url("https://www.transparenttextures.com/patterns/noise.png");
  opacity: 0.05;
  pointer-events: none;
  z-index: 1000;
}

/* Full-width Navigation */
.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  height: 52px;
  background: var(--nav-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  display: flex;
  align-items: center;
}

.nav-content {
  width: 100%;
  padding: 0 4%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo { font-weight: 600; font-size: 19px; }

.links a {
  color: var(--text);
  opacity: 0.7;
  text-decoration: none;
  font-size: 13px;
  margin-left: 30px;
  transition: opacity 0.2s ease;
}

.links a:hover { opacity: 1; }

/* Hero */
.hero {
  padding: 120px 22px 80px;
  text-align: center;
}

h1 {
  font-size: clamp(44px, 8vw, 80px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0;
  background: linear-gradient(180deg, #ffffff 30%, #86868b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  font-size: clamp(18px, 3vw, 24px);
  color: var(--subtext);
  max-width: 600px;
  margin: 20px auto 0;
}

/* Main Sections */
.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 22px;
}

.section-title {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 30px;
}

/* Commit Cards */
.commit {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 20px;
  border-radius: 14px;
  margin-bottom: 16px;
  backdrop-filter: blur(10px);
}

.commit strong {
  font-size: 11px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.project-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 40px 30px;
  border-radius: 22px;
  text-decoration: none;
  color: var(--text);
  backdrop-filter: blur(10px);
  transition: all 0.4s cubic-bezier(0.15, 0, 0.15, 1);
}

.project-card:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-8px);
  border-color: rgba(255,255,255,0.3);
}

.project-card h3 { font-size: 24px; margin: 0 0 10px 0; }
.project-card p { color: var(--subtext); font-size: 16px; margin: 0; }

.card-arrow {
  position: absolute;
  bottom: 30px;
  right: 30px;
  opacity: 0;
  transform: translateX(-10px);
  transition: 0.3s;
}

.project-card:hover .card-arrow { opacity: 1; transform: translateX(0); }

/* Footer */
.footer {
  margin-top: 100px;
  padding: 40px 4%;
  border-top: 1px solid var(--border);
  background: #000;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}

.footer-left p { font-size: 12px; color: var(--subtext); margin: 0; }
.footer-right { display: flex; gap: 24px; }
.footer-right a { font-size: 12px; color: var(--subtext); text-decoration: none; transition: 0.2s; }
.footer-right a:hover { color: var(--text); }

/* Mobile Adjustments */
@media (max-width: 768px) {
  .nav-content { padding: 0 24px; }
  .hero { padding: 80px 20px; }
  .projects-grid { grid-template-columns: 1fr; }
  .footer-content { flex-direction: column; gap: 20px; text-align: center; }
}