/* 인사말 (intro1) — 히어로는 history.css 의 .hx-* 를 그대로 쓰고, 여기서는 본문만 다룬다.
   기존 CSS가 html{font-size:62.5%} 라서 rem 대신 px 를 쓴다. */

.gx :where(blockquote, footer, aside, article) {
  margin: 0;
  padding: 0;
}

.gx-cap {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--hx-brand);
}

.gx-cap::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}

/* ───────── 히어로 ───────── */
.gx-hero {
  padding-bottom: 72px;
}

.gx-hero__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 620px);
  gap: 48px;
  align-items: end;
  margin-top: 56px;
}

.gx-statement {
  padding-left: 28px;
  border-left: 2px solid var(--hx-accent);
  animation: gx-up 0.9s var(--hx-ease) 0.15s backwards;
}

.gx-statement span {
  display: block;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.6);
}

.gx-statement strong {
  display: block;
  margin-top: 10px;
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.025em;
  color: #fff;
}

.gx-statement em {
  font-style: normal;
  color: var(--hx-accent);
}

.gx-hero .hx-eyebrow,
.gx-hero .hx-title {
  animation: gx-up 0.8s var(--hx-ease) backwards;
}

.gx-hero .hx-title {
  animation-delay: 0.07s;
}

@keyframes gx-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
}

/* ───────── 본문 ───────── */
.gx-body {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 88px;
  padding: 96px 0 112px;
}

.gx-side {
  position: sticky;
  top: calc(var(--hx-top) + 40px);
  align-self: start;
}

.gx-side__name {
  margin-top: 22px;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--hx-ink);
}

.gx-side__name small {
  margin-left: 6px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--hx-sub);
}

.gx-side__org {
  margin-top: 4px;
  font-size: 15px;
  color: var(--hx-sub);
}

.gx-side__keys {
  margin-top: 32px;
  border-top: 1px solid var(--hx-line);
}

.gx-side__keys li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--hx-line);
  font-size: 15px;
  font-weight: 500;
  color: var(--hx-ink);
}

.gx-side__keys li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--hx-accent);
}

.gx-letter {
  max-width: 760px;
}

.gx-letter p {
  font-size: 18px;
  line-height: 1.9;
  color: #33414f;
}

.gx-letter p + p,
.gx-letter blockquote + p {
  margin-top: 26px;
}

.gx-letter .gx-lead {
  font-size: clamp(21px, 2vw, 26px);
  font-weight: 500;
  line-height: 1.65;
  letter-spacing: -0.02em;
  color: var(--hx-ink);
}

.gx-lead b {
  font-weight: 700;
  color: var(--hx-brand);
}

.gx-lead + p {
  margin-top: 40px;
}

.gx-pull {
  position: relative;
  margin: 44px 0;
  padding: 30px 32px 30px 36px;
  border-radius: 4px;
  background: var(--hx-soft);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.7;
  letter-spacing: -0.015em;
  color: var(--hx-ink);
}

.gx-pull::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--hx-accent), var(--hx-brand));
}

.gx-pull b {
  font-weight: 700;
  color: var(--hx-brand);
  white-space: nowrap;
}

/* 서명 */
.gx-sign {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
  margin-top: 64px;
  padding-top: 36px;
  border-top: 1px solid var(--hx-line);
}

.gx-sign p {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 16px;
  color: var(--hx-sub);
}

.gx-sign b {
  font-size: 26px;
  font-weight: 700;
  color: var(--hx-ink);
}

.gx-sign img {
  width: 150px;
  height: auto;
}

/* ───────── 핵심 가치 ───────── */
.gx-values {
  padding: 96px 0 112px;
  background: var(--hx-soft);
  border-top: 1px solid var(--hx-line);
}

.gx .gx-values__tit {
  margin-top: 18px;
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--hx-ink);
}

.gx-values__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.gx-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  font-size: 15px;
  font-weight: 600;
  color: var(--hx-brand);
  text-decoration: none;
}

.gx-more span {
  transition: transform 0.3s var(--hx-ease);
}

.gx-more:hover span {
  transform: translateX(4px);
}

.gx-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: 44px;
}

.gx-card {
  position: relative;
  overflow: hidden;
  padding: 28px 26px 34px;
  border: 1px solid var(--hx-line);
  border-radius: 6px;
  background: #fff;
}

.gx-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--hx-accent), var(--hx-brand));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--hx-ease);
}

.gx-card__no {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  font-variant-numeric: tabular-nums;
  color: var(--hx-brand);
}

.gx .gx-card h4 {
  margin-top: 44px;
  font-size: 21px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--hx-ink);
}

.gx-card .gx-card__ko {
  margin-top: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--hx-brand);
}

.gx-card p {
  margin-top: 12px;
  font-size: 16px;
  line-height: 1.65;
  color: var(--hx-sub);
}

@media (hover: hover) {
  .gx-card {
    transition: transform 0.3s var(--hx-ease), box-shadow 0.3s ease, border-color 0.3s ease;
  }
  .gx-card:hover {
    transform: translateY(-4px);
    border-color: #c4d2df;
    box-shadow: 0 18px 40px -22px rgba(6, 40, 70, 0.35);
  }
  .gx-card:hover::after {
    transform: scaleX(1);
  }
}

/* ───────── 등장 모션 (greeting.js 가 .gx-js / .is-in 을 붙인다) ───────── */
.gx-js [data-rv] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease var(--d, 0ms), transform 0.8s var(--hx-ease) var(--d, 0ms);
}

.gx-js [data-rv].is-in {
  opacity: 1;
  transform: none;
}

/* 떠오른 뒤에는 hover 가 지연 없이 반응하도록 */
.gx-js .gx-card.is-done {
  transition: transform 0.3s var(--hx-ease), box-shadow 0.3s ease, border-color 0.3s ease;
}

.gx-js .gx-sign img {
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1.3s cubic-bezier(0.65, 0, 0.35, 1) 0.35s;
}

.gx-js .gx-sign.is-in img {
  clip-path: inset(0);
}

/* ───────── 반응형 ───────── */
@media (max-width: 1180px) {
  .gx-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1000px) {
  .gx-hero__top {
    grid-template-columns: 1fr;
    gap: 36px;
    margin-top: 40px;
  }
  .gx-body {
    grid-template-columns: 1fr;
    gap: 44px;
    padding: 64px 0 80px;
  }
  .gx-side {
    position: static;
  }
  .gx-side__keys {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
    border-top: 0;
  }
  .gx-side__keys li {
    padding: 8px 14px;
    border: 1px solid var(--hx-line);
    border-radius: 999px;
    font-size: 14px;
  }
  .gx-letter {
    max-width: none;
  }
  .gx-values {
    padding: 64px 0 80px;
  }
  .gx-cards {
    gap: 12px;
    margin-top: 32px;
  }
  .gx .gx-card h4 {
    margin-top: 20px;
  }
}

@media (max-width: 700px) {
  .gx-hero {
    padding-bottom: 48px;
  }
  .gx-statement {
    padding-left: 18px;
  }
  .gx-statement span {
    font-size: 15px;
  }
  .gx-letter p {
    font-size: 16px;
    line-height: 1.85;
  }
  .gx-letter p + p,
  .gx-letter blockquote + p {
    margin-top: 20px;
  }
  .gx-lead + p {
    margin-top: 28px;
  }
  .gx-pull {
    margin: 32px 0;
    padding: 22px 20px 22px 24px;
    font-size: 17px;
  }
  .gx-sign {
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    margin-top: 44px;
  }
  .gx-sign b {
    font-size: 22px;
  }
  .gx-sign img {
    width: 120px;
  }
  .gx-card {
    padding: 24px 22px 26px;
  }
  .gx-cards {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gx-statement,
  .gx-hero .hx-eyebrow,
  .gx-hero .hx-title {
    animation: none;
  }
  .gx-js [data-rv],
  .gx-js .gx-sign img,
  .gx-card,
  .gx-card::after {
    transition: none;
  }
}