:root {
  --bg: #020204;
  --text: #f6f7fb;
  --accent: #64f3ff;
  --surface: rgba(255,255,255,0.1);
  --surface-strong: rgba(255,255,255,0.18);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at 10% 15%, rgba(100,243,255,0.08), transparent 16%),
              radial-gradient(circle at 85% 75%, rgba(255,255,255,0.04), transparent 20%),
              linear-gradient(180deg, #05060e 0%, #020204 100%);
  color: var(--text);
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.04) 0%, transparent 35%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 58px 58px;
  opacity: 0.18;
  pointer-events: none;
  z-index: 0;
}

body {
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 40px 20px;
}

.center {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
  text-align: center;
  padding: 44px 36px;
  border-radius: 32px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(22px);
  box-shadow: 0 48px 120px rgba(0,0,0,0.32);
}

.center h1 {
  margin: 0;
  font-size: clamp(3rem, 5vw, 5rem);
  letter-spacing: -0.05em;
  font-weight: 800;
}

.email {
  margin: 18px 0 0;
  font-size: 1.3rem;
  color: rgba(246,247,251,0.88);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin: 24px auto;
  max-width: 560px;
}

.social-link {
  color: var(--text);
  text-decoration: none;
  padding: 10px 18px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 999px;
  transition: background 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.social-link:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(100,243,255,0.45);
  transform: translateY(-2px);
}

.repos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 42px;
}

.repo-block {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: 0 26px 80px rgba(0,0,0,0.28);
  border-radius: 24px;
  padding: 24px;
  text-align: left;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.repo-block:hover {
  transform: translateY(-8px) scale(1.01);
  border-color: rgba(100,243,255,0.35);
  box-shadow: 0 34px 100px rgba(0,0,0,0.34);
}

.repo-block h3 {
  margin: 0 0 12px;
  font-size: 1.15rem;
}

.repo-block p {
  margin: 0 0 18px;
  color: rgba(246,247,251,0.78);
  line-height: 1.6;
}

.repo-block a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

.side-panel {
  position: fixed;
  top: 50%;
  width: 240px;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 18px;
  z-index: 1;
  pointer-events: auto;
  touch-action: pan-y;
}

.left-panel {
  left: 20px;
}

.right-panel {
  right: 20px;
}

.side-title {
  text-align: left;
  padding: 14px 18px;
  font-size: 0.82rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.68);
  border-radius: 24px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
}

.marquee {
  position: relative;
  overflow: hidden;
  height: 420px;
  border-radius: 30px;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.12);
  touch-action: pan-y;
  cursor: grab;
  pointer-events: auto;
}

.marquee:active {
  cursor: grabbing;
}

.slide-track {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 18px;
}

.slide {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  padding: 16px 14px;
  border-radius: 22px;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.22);
  color: #eff8ff;
  box-shadow: 0 18px 40px rgba(0,0,0,0.2);
}

.slide .icon {
  font-size: 2.4rem;
}

.slide .label {
  display: block;
  font-size: 1rem;
  letter-spacing: 0.01em;
  color: rgba(255,255,255,0.94);
}

@keyframes scroll-up {
  from { transform: translateY(0); }
  to { transform: translateY(-50%); }
}

#cursor-highlight {
  position: fixed;
  left: 0;
  top: 0;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(100,243,255,0.35) 0%, rgba(255,255,255,0.00) 60%);
  mix-blend-mode: screen;
  opacity: 0;
  transform: translate(-50%, -50%) scale(1);
  transition: opacity 0.12s ease, transform 0.12s ease;
  z-index: 2;
}

#gravity-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.section-title {
  margin-top: 40px;
  margin-bottom: 10px;
  font-size: 1.6rem;
  font-weight: 700;
  text-align: center;
  color: rgba(255,255,255,0.9);
}

@media (max-width: 1000px) {
  body {
    flex-direction: column;
    align-items: center;
    padding: 20px;
    gap: 16px;
  }

  .side-panel {
    position: static;
    transform: none;
    width: 100%;
    margin: 0;
    touch-action: none;
  }

  .left-panel {
    order: 1;
  }

  .center {
    order: 2;
    width: 100%;
    padding: 28px 20px;
  }

  .right-panel {
    order: 3;
  }

  .marquee {
    height: 130px;
    touch-action: none;
    cursor: grab;
  }

  .slide-track {
    flex-direction: row;
    width: max-content;
    height: 100%;
    padding: 10px 8px;
    gap: 10px;
  }

  .slide {
    min-width: 110px;
    width: 110px;
    flex-shrink: 0;
    padding: 12px 10px;
    gap: 6px;
  }

  .slide .icon {
    font-size: 1.6rem;
  }

  .slide .label {
    font-size: 0.78rem;
  }

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

@media (max-width: 680px) {
  body {
    padding: 16px;
    gap: 12px;
  }

  .center {
    padding: 24px 16px;
  }

  .center h1 {
    font-size: 2.4rem;
  }

  .social-links {
    gap: 8px;
  }

  .social-link {
    padding: 8px 14px;
    font-size: 0.9rem;
  }

  .slide {
    min-width: 96px;
    width: 96px;
    padding: 10px 8px;
  }

  .slide .icon {
    font-size: 1.4rem;
  }

  .slide .label {
    font-size: 0.72rem;
  }
}