:root {
  --color-bg: #0a0a0a;
  --color-text: #e8e8e8;
  --color-text-muted: #999;
  --color-accent: #5a9fc5;
  --color-border: #2a2a2a;
  --color-card: #141414;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.container {
  max-width: 700px;
  width: 100%;
  text-align: center;
}

.profile-section {
  margin-bottom: 3rem;
}

.avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), #4a7a9a);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 3rem;
  color: white;
  font-weight: 600;
}

h1 {
  font-size: 3rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.subtitle {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.bio {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto 3rem;
  line-height: 1.8;
}

.links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-bottom: 3rem;
}

.link-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  color: var(--color-text);
  text-decoration: none;
  transition: all 0.3s ease;
}

.link-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border-color: var(--color-accent);
}

.link-item svg {
  width: 22px;
  height: 22px;
  stroke: var(--color-accent);
}

.link-item span {
  font-size: 1rem;
  font-weight: 500;
}

.email-link {
  position: relative;
  justify-content: center;
}

.copy-icon-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.copy-icon-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-50%) scale(1.1);
}

.copy-icon-btn svg {
  width: 16px;
  height: 16px;
  stroke: var(--color-accent);
  transition: all 0.2s ease;
}

.copy-icon-btn .icon-check {
  display: none;
}

@keyframes copySuccess {
  0% {
    transform: translateY(-50%) scale(1);
  }
  50% {
    transform: translateY(-50%) scale(1.2);
  }
  100% {
    transform: translateY(-50%) scale(1);
  }
}

.copy-icon-btn.copied {
  animation: copySuccess 0.4s ease;
}

.copy-icon-btn.copied .icon-copy {
  display: none;
}

.copy-icon-btn.copied .icon-check {
  display: block;
}

.social-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
}

.social-link {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  transform: scale(1.1);
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: white;
}

.social-link:hover svg {
  stroke: white;
}

.social-link svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-accent);
  transition: stroke 0.3s ease;
}

.footer {
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

@media (max-width: 600px) {
  html, body {
    position: fixed;
    overflow: hidden;
    width: 100%;
    height: 100%;
  }

  body {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .container {
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .container::-webkit-scrollbar {
    display: none;
  }

  .bio {
    margin-bottom: 1.5rem;
  }

  .link-item {
    justify-content: flex-start;
    padding-left: 1.5rem;
  }

  h1 {
    font-size: 2.25rem;
  }

  .subtitle {
    font-size: 1.1rem;
  }

  .avatar {
    width: 100px;
    height: 100px;
    font-size: 2.5rem;
  }

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

  .link-item:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--color-border);
  }

  .copy-icon-btn:hover {
    background: transparent;
    transform: translateY(-50%);
  }

  .social-link:hover {
    transform: none;
    border-color: var(--color-border);
    background: var(--color-card);
    color: var(--color-accent);
  }

  .social-link:hover svg {
    stroke: var(--color-accent);
  }
}