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

:root {
  --bg:        #090909;
  --surface:   #111111;
  --border:    #222222;
  --accent:    #e8ff47;
  --text-hi:   #f0f0f0;
  --text-lo:   #666666;
  --font-head: 'Bebas Neue', sans-serif;
  --font-body: 'Noto Sans KR', sans-serif;
  --radius:    4px;
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-hi);
  font-family: var(--font-body);
  min-height: 100vh;
  padding-bottom: 80px;
}

.site-header {
  padding: 40px 48px 32px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 64px;
}

.header-label {
  font-family: var(--font-head);
  font-size: 11px;
  letter-spacing: 6px;
  color: var(--text-lo);
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.block {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  overflow: hidden;
  cursor: default;
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out),
    border-color 0.3s ease;
}

.block.visible {
  opacity: 1;
  transform: translateY(0);
}

.block[data-index="1"] { transition-delay: 0.08s; }
.block[data-index="2"] { transition-delay: 0.16s; }
.block[data-index="3"] { transition-delay: 0.24s; }

.block:hover {
  border-color: #333;
}

.block-accent {
  width: 3px;
  background: var(--border);
  flex-shrink: 0;
  transition: background 0.3s ease;
}

.block.visible .block-accent {
  background: var(--accent);
}

.block-content {
  padding: 28px 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.block-tag {
  font-family: var(--font-head);
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--accent);
  opacity: 0.7;
}

.block-title {
  font-family: var(--font-head);
  font-size: 2rem;
  letter-spacing: 1px;
  line-height: 1.1;
  color: var(--text-hi);
}

.block-desc {
  font-size: 0.875rem;
  font-weight: 300;
  line-height: 1.75;
  color: #999;
  max-width: 520px;
  transition: color 0.25s
}

.block-footer {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}

.block-chip {
  font-size: 0.7rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-lo);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 3px 8px;
  transition: color 0.25s, border-color 0.25s;
}

.block:hover .block-chip {
  color: var(--accent);
  border-color: #333;
}

.block:hover .block-desc{
  color: var(--accent);
  border-color: #333;
}

.block::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 60% 40% at 10% 50%,
    rgba(232, 255, 71, 0.04) 0%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.block:hover::after {
  opacity: 1;
}

@media (max-width: 480px) {
  .block-title { font-size: 1.6rem; }
  .block-content { padding: 20px 20px 18px; }
  .site-header { padding: 28px 24px 20px; }
}