* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #ffffff;
  color: #111111;
  font-family: 'IBM Plex Mono', monospace;
  display: flex;
  justify-content: center;
}

main {
  width: 100%;
  max-width: 760px;
  padding: 40px 24px 72px;
}

a {
  color: inherit;
  text-decoration: underline;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 0 28px;
}

.brand {
  color: #101010;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.92rem;
  font-weight: 700;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  color: #101010;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.9rem;
  padding: 12px 16px;
  border: 1px solid rgba(16, 16, 16, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  transition:
    transform 0.15s ease,
    border-color 0.15s ease,
    background 0.15s ease,
    box-shadow 0.15s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(16, 16, 16, 0.35);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
  outline: none;
}

.nav-links a.active {
  border-color: rgba(16, 16, 16, 0.4);
  background: rgba(255, 255, 255, 1);
  box-shadow: inset 0 1px 0 rgba(0,0,0,0.04);
}

.label {
  font-size: 0.72rem;
  opacity: 0.6;
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.featured {
  margin-top: 16px;
  margin-bottom: 32px;
}

.video iframe {
  width: 100%;
  height: 360px;
  border: none;
}

.link-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 0 0 36px;
}

.link-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border: 1.5px solid rgba(0,0,0,0.15);
  border-radius: 22px;
  padding: 22px 20px;
  text-decoration: none;
  color: #111;
  background: #fff;
  transition: all 0.18s ease;
}

.link-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,0,0,0.35);
  box-shadow: 0 15px 35px rgba(0,0,0,0.08);
}

.link-card-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #666;
}

.link-card-title {
  font-size: 1.1rem;
  letter-spacing: 0.03em;
  color: #111;
}

.portrait-link {
  display: inline-block;
  text-decoration: none;
}

.portrait {
  width: 100%;
  max-width: 420px;
  margin-bottom: 28px;
  filter: grayscale(100%);
  transition: 0.2s ease;
  display: block;
}

.portrait:hover {
  opacity: 0.85;
  transform: scale(1.01);
}

button {
  background: none;
  border: 1px solid #111;
  padding: 10px 14px;
  font-family: inherit;
  font-size: 0.75rem;
  cursor: pointer;
  margin-bottom: 20px;
}

button:hover {
  background: #111;
  color: #fff;
}

.shaking {
  animation: shake 0.25s;
}

@keyframes shake {
  0% { transform: translateX(0); }
  25% { transform: translateX(-2px); }
  50% { transform: translateX(2px); }
  75% { transform: translateX(-1px); }
  100% { transform: translateX(0); }
}

@media (max-width: 640px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-bottom: 18px;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .brand {
    font-size: 0.84rem;
    letter-spacing: 0.2em;
  }

  .video iframe {
    height: 220px;
  }

  .link-cards {
    grid-template-columns: 1fr;
  }
}