:root {
  color-scheme: dark;
  --page: #000000;
  --ink: #fed002;
  --muted: #c8a600;
  --line: #3a3000;
  --field: #0a0a0a;
  --field-hover: rgba(254, 208, 2, 0.06);
  --glow: rgba(254, 208, 2, 0.28);
  --glow-strong: rgba(254, 208, 2, 0.48);
}

* {
  box-sizing: border-box;
}

html {
  max-width: 100%;
  overflow-x: hidden;
}

body {
  position: relative;
  isolation: isolate;
  margin: 0;
  min-height: 100vh;
  max-width: 100%;
  overflow-x: hidden;
  background: var(--page);
  color: var(--ink);
  font-family: "Noto Sans KR", Pretendard, Arial, sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(254, 208, 2, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(254, 208, 2, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 50% 0%, rgba(254, 208, 2, 0.14), transparent 38%);
  background-size: 44px 44px, 44px 44px, 100% 100%;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 78%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 78%);
}

a {
  color: var(--ink);
  text-decoration-thickness: 1px;
  transition: color 180ms ease, text-shadow 180ms ease, text-underline-offset 180ms ease;
}

code {
  color: #fff1a8;
  font-family: Consolas, "Courier New", monospace;
}

pre {
  max-width: 100%;
  overflow-x: auto;
  margin: 0;
  padding: 16px;
  border: 1px solid var(--line);
  background: #111111;
  box-shadow: inset 0 0 0 1px rgba(254, 208, 2, 0.04);
}

.site-shell {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  width: min(920px, 100%);
  max-width: 100%;
  margin: 0 auto;
  padding: 48px 20px;
}

.site-shell > * {
  animation: page-enter 620ms ease both;
}

.site-shell > *:nth-child(2) {
  animation-delay: 80ms;
}

.site-shell > *:nth-child(3) {
  animation-delay: 160ms;
}

.site-shell > *:nth-child(4) {
  animation-delay: 240ms;
}

.site-shell > *:nth-child(5) {
  animation-delay: 320ms;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(36px, 8vw, 84px);
  line-height: 0.95;
  text-shadow: 0 0 18px rgba(254, 208, 2, 0.2);
}

h2 {
  font-size: 22px;
}

.hero,
.nav-panel,
.posts,
.projects,
.project-item,
.list-item,
.site-footer,
.post article,
.policy section {
  border: 1px solid var(--line);
  background: var(--field);
  box-shadow: 0 0 0 1px rgba(254, 208, 2, 0.025), 0 18px 48px rgba(0, 0, 0, 0.28);
}

.hero,
.posts,
.projects,
.post article,
.policy section {
  display: grid;
  gap: 16px;
  padding: 24px;
}

.hero {
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(110deg, transparent 0%, rgba(254, 208, 2, 0.12) 42%, transparent 58%);
  transform: translateX(-120%);
  animation: sweep 4.8s ease-in-out 700ms infinite;
}

.hero h1 {
  animation: title-pulse 4s ease-in-out infinite;
}

.intro,
.list-item p,
.post p,
.post li,
.project-item p,
.policy p {
  color: var(--muted);
  line-height: 1.7;
}

.nav-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 18px;
}

.list-item {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 18px;
  overflow: hidden;
  text-decoration: none;
  transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.list-item time,
.post-meta {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.project-item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 18px;
  overflow: hidden;
  transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.project-item::before,
.list-item::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(254, 208, 2, 0.12), transparent);
  opacity: 0;
  transform: translateX(-90%);
  transition: opacity 180ms ease, transform 420ms ease;
}

.card-link {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.list-item:hover,
.project-item:hover,
.list-item:focus-visible,
.project-item:focus-within {
  border-color: var(--ink);
  background: linear-gradient(135deg, var(--field-hover), var(--field));
  box-shadow: 0 0 0 1px rgba(254, 208, 2, 0.12), 0 0 26px var(--glow);
  transform: translateY(-2px);
}

.list-item:hover::before,
.project-item:hover::before,
.list-item:focus-visible::before,
.project-item:focus-within::before {
  opacity: 1;
  transform: translateX(90%);
}

.project-actions {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button-link {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-weight: 800;
  transition: color 180ms ease, background 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.button-link::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(254, 208, 2, 0.2), transparent);
  transform: translateX(-120%);
  transition: transform 420ms ease;
}

.button-link:hover,
.text-link:hover,
.site-footer a:hover {
  color: #fff1a8;
  text-shadow: 0 0 12px var(--glow);
}

.button-link:hover,
.button-link:focus-visible {
  background: rgba(254, 208, 2, 0.08);
  box-shadow: 0 0 18px var(--glow);
  transform: translateY(-1px);
}

.button-link:hover::before,
.button-link:focus-visible::before {
  transform: translateX(120%);
}

.text-link:hover,
.site-footer a:hover {
  text-underline-offset: 6px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding: 18px;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.site-footer a,
.text-link {
  text-underline-offset: 3px;
}

.post {
  width: min(820px, 100%);
  max-width: 100%;
}

.post article {
  gap: 20px;
  min-width: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
}

.post h1 {
  font-size: clamp(28px, 4.5vw, 42px);
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.post a {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.post code {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.post h2 {
  position: relative;
  margin-top: 10px;
  padding-left: 16px;
}

.post h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2em;
  width: 4px;
  height: 1.05em;
  background: var(--ink);
  box-shadow: 0 0 14px var(--glow);
}

.post ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
}

.project-preview {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #000000;
}

.project-preview img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 380ms ease, filter 380ms ease;
}

.project-preview:hover img {
  filter: drop-shadow(0 0 20px var(--glow));
  transform: scale(1.015);
}

.policy {
  width: min(760px, 100%);
}

.policy h1 {
  font-size: clamp(32px, 7vw, 64px);
}

@media (max-width: 560px) {
  .site-shell {
    gap: 22px;
    padding: 32px 14px;
  }

  .site-shell > * {
    animation-name: page-enter-mobile;
  }

  .hero,
  .posts,
  .projects,
  .post article,
  .policy section {
    gap: 14px;
    padding: 18px;
  }

  .nav-panel,
  .site-footer {
    padding: 16px;
  }

  .post h1 {
    font-size: clamp(24px, 6.4vw, 28px);
    line-height: 1.22;
  }

  .post h1,
  .post p,
  .post li {
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: normal;
  }

  .post a {
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .post code {
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .project-item {
    grid-template-columns: 1fr;
  }

  .button-link {
    min-height: 44px;
    width: fit-content;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@keyframes page-enter {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes page-enter-mobile {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes title-pulse {
  0%,
  100% {
    text-shadow: 0 0 18px rgba(254, 208, 2, 0.18);
  }

  50% {
    text-shadow: 0 0 28px var(--glow-strong);
  }
}

@keyframes sweep {
  0%,
  58% {
    transform: translateX(-120%);
  }

  76%,
  100% {
    transform: translateX(120%);
  }
}