@charset "UTF-8";
/* ==========================================================================
   최광선 — Personal site
   라이트/다크 토글, 스크롤 한 페이지 구조. 외부 프레임워크 없음.
   ========================================================================== */

/* --------------------------------------------------------------- tokens -- */
:root {
  color-scheme: light;

  --bg:            #ffffff;
  --bg-soft:       #f6f7f9;
  --surface:       #ffffff;
  --surface-2:     #fbfcfd;
  --border:        #e5e8ec;
  --border-soft:   #eef0f3;
  --text:          #14171c;
  --text-2:        #4c5462;
  --text-3:        #6b7280;   /* 흰 배경 대비 4.9:1 (AA) */

  --accent:        #0d9488;
  --accent-strong: #0f766e;
  --accent-on:     #ffffff;
  --accent-soft:   rgba(13, 148, 136, .085);
  --accent-line:   rgba(13, 148, 136, .30);
  --accent-glow:   rgba(13, 148, 136, .13);

  --live:          #16a34a;
  --live-soft:     rgba(22, 163, 74, .10);
  --live-line:     rgba(22, 163, 74, .26);
  --live-text:     #15803d;
  --live-ring:     rgba(22, 163, 74, .20);

  --header-bg:       rgba(255, 255, 255, .78);
  --header-bg-stuck: rgba(255, 255, 255, .88);

  --shadow-sm: 0 1px 2px rgba(17, 24, 39, .05);
  --shadow-md: 0 6px 18px -6px rgba(17, 24, 39, .12), 0 1px 3px rgba(17, 24, 39, .05);
  --shadow-lg: 0 28px 56px -20px rgba(17, 24, 39, .22);

  --header-h: 4rem;
  --radius:   14px;
  --radius-sm: 9px;

  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
          system-ui, "Segoe UI", Roboto, "Helvetica Neue", "Apple SD Gothic Neo",
          "Malgun Gothic", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
          "Liberation Mono", monospace;
}

:root[data-theme="dark"] {
  color-scheme: dark;

  --bg:            #0b0d10;
  --bg-soft:       #0f1216;
  --surface:       #14181e;
  --surface-2:     #171c23;
  --border:        #262c35;
  --border-soft:   #1e242c;
  --text:          #e9ecf1;
  --text-2:        #a8b0bd;
  --text-3:        #78828f;

  --accent:        #2dd4bf;
  --accent-strong: #5eead4;
  --accent-on:     #06231f;
  --accent-soft:   rgba(45, 212, 191, .11);
  --accent-line:   rgba(45, 212, 191, .32);
  --accent-glow:   rgba(45, 212, 191, .12);

  --live:          #4ade80;
  --live-soft:     rgba(74, 222, 128, .12);
  --live-line:     rgba(74, 222, 128, .28);
  --live-text:     #86efac;
  --live-ring:     rgba(74, 222, 128, .18);

  --header-bg:       rgba(11, 13, 16, .72);
  --header-bg-stuck: rgba(11, 13, 16, .86);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow-md: 0 6px 20px -8px rgba(0, 0, 0, .6), 0 1px 3px rgba(0, 0, 0, .4);
  --shadow-lg: 0 28px 56px -20px rgba(0, 0, 0, .7);
}

/* ---------------------------------------------------------------- reset -- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.7;
  letter-spacing: -.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  /* 한국어는 어절 단위로 끊는다. 긴 영문/URL 은 break-word 로 빠져나갈 구멍을 둔다 */
  word-break: keep-all;
  overflow-wrap: break-word;
}

h1, h2, h3, h4 { margin: 0; line-height: 1.25; letter-spacing: -.022em; font-weight: 700; }
p  { margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); }

svg { display: block; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 200;
  padding: .6rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-on);
  font-size: .875rem;
  font-weight: 600;
  transition: top .18s ease;
}
.skip-link:focus { top: 1rem; color: var(--accent-on); }

/* --------------------------------------------------------------- layout -- */
.wrap {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.section {
  padding-block: clamp(4.5rem, 10vw, 8rem);
  scroll-margin-top: calc(var(--header-h) + 1rem);
}
.section--alt {
  background: var(--bg-soft);
  border-block: 1px solid var(--border-soft);
}

.section__head { margin-bottom: clamp(2.25rem, 5vw, 3.5rem); }
.section__head h2 {
  font-size: clamp(1.75rem, 4.4vw, 2.5rem);
  margin-top: .35rem;
}
.section__desc {
  margin-top: .85rem;
  max-width: 46ch;
  color: var(--text-2);
  font-size: 1rem;
}

.eyebrow {
  font-family: var(--mono);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
}

.muted { color: var(--text-3); font-weight: 400; }

/* --------------------------------------------------------------- header -- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--bg);              /* 구형 브라우저 대비 */
  background: var(--header-bg);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background .25s ease;
}
.site-header.is-stuck {
  border-bottom-color: var(--border);
  background: var(--header-bg-stuck);
}
/* backdrop-filter 미지원 브라우저에서는 불투명 배경으로 처리 */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header { background: var(--bg); }
  .site-header.is-stuck { background: var(--bg); }
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .625rem;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -.02em;
}
.brand:hover { color: var(--text); }
.brand__mark {
  display: grid;
  place-items: center;
  width: 1.875rem;
  height: 1.875rem;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-on);
  font-family: var(--mono);
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .02em;
}
.brand__name { font-size: 1rem; }

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: .125rem;
}
.site-nav a {
  position: relative;
  padding: .5rem .75rem;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: .9375rem;
  font-weight: 500;
  transition: color .16s ease, background .16s ease;
}
.site-nav a:hover { color: var(--text); background: var(--accent-soft); }
.site-nav a.is-active { color: var(--accent); }
.site-nav a.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: .15rem;
  width: .25rem;
  height: .25rem;
  border-radius: 50%;
  background: var(--accent);
  transform: translateX(-50%);
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-2);
  background: var(--surface);
  transition: color .16s ease, border-color .16s ease, transform .16s ease;
}
.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent-line);
  transform: rotate(-18deg);
}
.theme-toggle svg {
  width: 1.0625rem;
  height: 1.0625rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}
/* 아이콘은 "누르면 갈 모드" 를 보여준다 — aria-label 과 일치 */
.theme-toggle__sun { display: none; }
:root[data-theme="dark"] .theme-toggle__sun  { display: block; }
:root[data-theme="dark"] .theme-toggle__moon { display: none; }

/* ----------------------------------------------------------------- hero -- */
.hero {
  position: relative;
  padding-top: clamp(3rem, 8vw, 5.5rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
  overflow: hidden;
}
.hero__glow {
  position: absolute;
  inset: -30% -10% auto -10%;
  height: 34rem;
  pointer-events: none;
  background:
    radial-gradient(48% 52% at 22% 40%, var(--accent-glow) 0%, transparent 68%),
    radial-gradient(42% 46% at 78% 20%, var(--accent-glow) 0%, transparent 66%);
}

.hero__inner {
  position: relative;
  display: grid;
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: center;
}

.hero__text { min-width: 0; }   /* 그리드 칸이 내용 때문에 넘치지 않게 */
.hero__figure { position: relative; width: fit-content; }
.hero__figure picture { display: block; }
.hero__figure img {
  width: clamp(7rem, 22vw, 11rem);
  height: auto;
  aspect-ratio: 1;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg-soft);
  box-shadow: 0 0 0 1px var(--border), 0 0 0 8px var(--accent-soft), var(--shadow-md);
}

.hero__title {
  font-size: clamp(2.5rem, 9vw, 4.25rem);
  margin-top: .5rem;
  letter-spacing: -.035em;
}
.hero__lead {
  margin-top: 1rem;
  max-width: 42ch;
  color: var(--text-2);
  font-size: clamp(1rem, 2.2vw, 1.125rem);
  line-height: 1.75;
}
.hero__lead em {
  font-style: normal;
  color: var(--text);
  font-weight: 600;
  /* 형광펜처럼 밑줄 영역만 칠한다 — 라이트/다크 양쪽에서 보이도록 */
  background: linear-gradient(transparent 58%, var(--accent-line) 58%, var(--accent-line) 92%, transparent 92%);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .625rem;
  margin-top: 1.5rem;
}
.hero__meta li {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  padding: .3125rem .6875rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-2);
  font-size: .8125rem;
  font-weight: 500;
}
.hero__meta svg {
  width: .875rem;
  height: .875rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  color: var(--text-3);
}
.hero__meta .is-live { color: var(--text); border-color: var(--accent-line); }

.dot {
  width: .4375rem;
  height: .4375rem;
  border-radius: 50%;
  background: var(--live);
  box-shadow: 0 0 0 3px var(--live-ring);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: .45; }
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .625rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .6875rem 1.125rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: .9375rem;
  font-weight: 600;
  letter-spacing: -.01em;
  transition: background .16s ease, border-color .16s ease,
              color .16s ease, transform .16s ease, box-shadow .16s ease;
}
.btn svg {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.btn svg.ico { fill: currentColor; stroke: none; }
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--accent);
  color: var(--accent-on);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover {
  background: var(--accent-strong);
  color: var(--accent-on);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}
.btn--ghost:hover {
  color: var(--text);
  border-color: var(--text-3);
  background: var(--surface-2);
}

/* stats */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(11rem, 100%), 1fr));
  gap: 1px;
  margin-top: clamp(2.5rem, 6vw, 4rem);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--border);
  overflow: hidden;
}
.stats__item { padding: 1.375rem 1.5rem; background: var(--surface); }
.stats__item dt {
  font-family: var(--mono);
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-3);
}
.stats__item dd {
  display: flex;
  align-items: baseline;
  gap: .1875rem;
  margin-top: .375rem;
  font-size: .9375rem;
  color: var(--text-2);
}
.stats__item strong {
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.stats__item dd span {
  display: block;
  width: 100%;
  margin-left: .5rem;
  font-size: .8125rem;
  color: var(--text-3);
}

@media (min-width: 720px) {
  .hero__inner { grid-template-columns: auto 1fr; }
  .stats__item dd { flex-wrap: wrap; }
}

/* ---------------------------------------------------------------- about -- */
.about {
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  align-items: start;
}
@media (min-width: 900px) {
  .about { grid-template-columns: 1.15fr .85fr; }
}

.about__prose p + p { margin-top: 1.125rem; }
.about__prose p {
  color: var(--text-2);
  font-size: 1.0625rem;
  line-height: 1.85;
}
.about__quote {
  padding-left: 1.125rem;
  border-left: 2px solid var(--accent);
  color: var(--text) !important;
  font-size: clamp(1.125rem, 2.6vw, 1.375rem) !important;
  font-weight: 600;
  line-height: 1.6 !important;
  letter-spacing: -.02em;
  margin-bottom: 1.5rem;
}

/* ----------------------------------------------------------------- card -- */
.card {
  padding: clamp(1.375rem, 3vw, 1.875rem);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.card__title {
  font-size: 1rem;
  letter-spacing: -.015em;
}
.card--info { position: sticky; top: calc(var(--header-h) + 1.5rem); }
@media (max-width: 899px) { .card--info { position: static; } }

.info { margin-top: 1.25rem; }
.info > div {
  display: grid;
  grid-template-columns: 5.25rem 1fr;
  gap: .25rem 1rem;
  padding-block: .75rem;
  border-top: 1px solid var(--border-soft);
}
.info > div:first-child { border-top: 0; padding-top: 0; }
.info dt {
  color: var(--text-3);
  font-size: .8125rem;
  font-weight: 500;
  padding-top: .1rem;
}
.info dd { font-size: .9375rem; color: var(--text); line-height: 1.6; }
.info dd .muted { font-size: .8125rem; }

/* ------------------------------------------------------------- timeline -- */
.timeline { display: grid; gap: clamp(2.5rem, 5vw, 3.5rem); }

.tl-group__head {
  padding-bottom: 1.5rem;
  margin-bottom: 1.75rem;
  border-bottom: 1px solid var(--border);
}
.tl-group__org {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .625rem;
  font-size: clamp(1.25rem, 3vw, 1.5rem);
}
.tl-group__en {
  font-family: var(--mono);
  font-size: .8125rem;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--text-3);
}
.tl-group__role {
  margin-top: .4375rem;
  color: var(--text-2);
  font-size: .9375rem;
  font-weight: 500;
}
.tl-group__span {
  margin-top: .1875rem;
  font-family: var(--mono);
  font-size: .8125rem;
  color: var(--text-3);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  padding: .1875rem .5625rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: -.005em;
}
.badge--live {
  background: var(--live-soft);
  color: var(--live-text);
  border: 1px solid var(--live-line);
}

.tl-item {
  display: grid;
  grid-template-columns: .75rem 1fr;
  grid-template-areas:
    "rail date"
    "rail body";
  column-gap: 1rem;
}
.tl-item__rail { grid-area: rail; position: relative; }
.tl-item__rail::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 1.5rem;
  bottom: -.5rem;
  width: 1px;
  background: var(--border);
  transform: translateX(-50%);
}
.tl-item:last-child .tl-item__rail::before { display: none; }

.tl-item__dot {
  position: absolute;
  left: 50%;
  top: .5rem;
  width: .75rem;
  height: .75rem;
  border: 2px solid var(--border);
  border-radius: 50%;
  background: var(--bg);
  transform: translateX(-50%);
  transition: border-color .2s ease;
}
.tl-group:first-child .tl-item:first-child .tl-item__dot {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.tl-item:hover .tl-item__dot { border-color: var(--accent-line); }

.tl-item__date {
  grid-area: date;
  font-family: var(--mono);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--text-3);
  padding-top: .3125rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.tl-item__body { grid-area: body; padding-bottom: 1.875rem; }
.tl-item:last-child .tl-item__body { padding-bottom: 0; }
.tl-item__body h4 {
  font-size: 1.0625rem;
  letter-spacing: -.018em;
  margin-top: .1875rem;
}
.tl-item__body p {
  margin-top: .4375rem;
  max-width: 60ch;
  color: var(--text-2);
  font-size: .9375rem;
  line-height: 1.7;
}

@media (min-width: 768px) {
  .tl-item {
    grid-template-columns: 7.5rem .75rem 1fr;
    grid-template-areas: "date rail body";
    column-gap: 1.5rem;
  }
  .tl-item__date { text-align: right; padding-top: .375rem; }
}

/* --------------------------------------------------------------- skills -- */
.skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(19rem, 100%), 1fr));
  gap: 1rem;
  align-items: start;   /* 항목 수가 다른 카드끼리 높이를 억지로 맞추지 않는다 */
}

.card--skill { transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
.card--skill:hover {
  border-color: var(--accent-line);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card__icon {
  display: grid;
  place-items: center;
  width: 2.375rem;
  height: 2.375rem;
  margin-bottom: 1rem;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
}
.card__icon svg {
  width: 1.1875rem;
  height: 1.1875rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: .375rem;
  margin-top: .875rem;
}
.tags li {
  padding: .25rem .5625rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--text-2);
  font-family: var(--mono);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: -.01em;
}

.notes {
  margin-top: 1.25rem;
  padding-top: 1.125rem;
  border-top: 1px solid var(--border-soft);
}
.notes > div {
  display: grid;
  gap: .0625rem;
  padding-block: .4375rem;
}
.notes > div:first-child { padding-top: 0; }
.notes dt {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--text);
}
.notes dd {
  font-size: .8125rem;
  color: var(--text-3);
  line-height: 1.6;
}

/* --------------------------------------------------------------- footer -- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
}
.site-footer__inner {
  display: grid;
  gap: 2.25rem;
  padding-block: clamp(2.75rem, 6vw, 4rem);
}
@media (min-width: 700px) {
  .site-footer__inner { grid-template-columns: repeat(3, 1fr); }
}

.site-footer__label {
  font-family: var(--mono);
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: .875rem;
}
.site-footer__col p {
  color: var(--text-2);
  font-size: .9375rem;
  line-height: 1.75;
}

.socials { display: flex; flex-wrap: wrap; gap: .5rem; }
.socials a {
  display: grid;
  place-items: center;
  width: 2.375rem;
  height: 2.375rem;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface);
  color: var(--text-2);
  transition: color .16s ease, border-color .16s ease, transform .16s ease;
}
.socials a:hover {
  color: var(--accent);
  border-color: var(--accent-line);
  transform: translateY(-2px);
}
.socials svg { width: 1rem; height: 1rem; fill: currentColor; }

.site-footer__bottom {
  padding-block: 1.25rem;
  border-top: 1px solid var(--border);
}
.site-footer__bottom small {
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--text-3);
}

/* --------------------------------------------------------------- to-top -- */
.to-top {
  position: fixed;
  right: clamp(1rem, 3vw, 1.75rem);
  bottom: clamp(1rem, 3vw, 1.75rem);
  z-index: 90;
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface);
  color: var(--text-2);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(.625rem);
  transition: opacity .22s ease, transform .22s ease,
              visibility .22s ease, color .16s ease, border-color .16s ease;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { color: var(--accent); border-color: var(--accent-line); }
.to-top svg {
  width: 1.0625rem;
  height: 1.0625rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* --------------------------------------------------------------- reveal -- */
.reveal {
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity .6s cubic-bezier(.22, .61, .36, 1),
              transform .6s cubic-bezier(.22, .61, .36, 1);
}
.reveal.is-in { opacity: 1; transform: none; }

/* --------------------------------------------------------- 접근성/인쇄 -- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .to-top, .hero__glow, .hero__actions { display: none; }
  .reveal { opacity: 1; transform: none; }
  body { background: #fff; color: #000; }
  .section { padding-block: 1.5rem; break-inside: avoid; }
  .card, .stats { box-shadow: none; }
}