/* ===========================================
   About page (about.html)
   =========================================== */

/* ---------- Scroll snap (each section snaps into view) ---------- */
body.has-scroll-snap .page-hero,
body.has-scroll-snap .about-section {
  scroll-snap-align: start;
  scroll-snap-stop: normal;
}

/* ---------- Section base ---------- */
.about-section {
  padding: 140px 0;
}

.about-section--alt {
  background: #f8fafc;
}

.about-section--dark {
  background: linear-gradient(180deg, #ffffff 0%, #e9f4fc 100%);
  color: var(--color-text);
}

.about-section--dark .section-title,
.about-section--dark .section-eyebrow {
  color: var(--color-primary);
}

.about-eyebrow {
  display: block;
  margin: 0 0 18px;
  font-size: var(--fs-small);
  font-weight: 600;

  text-transform: uppercase;
  color: var(--color-accent-text);
}

/* ---------- Section 1: Intro ---------- */
.about-intro {
  text-align: center;
}

.about-intro .about-headline {
  margin: 0 auto 48px;
  max-width: var(--max-width-content);
  font-size: clamp(1.6rem, 4vw, 3.25rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.025em;
  color: var(--color-primary);
}

.about-intro .about-headline .accent {
  color: var(--color-accent-text);
}

.about-intro .about-lead {
  margin: 0 auto;
  max-width: var(--max-width-content);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.85;
  color: var(--color-sub);
}

/* 리드 줄바꿈 고정: 넓은 화면(≥1180px)에서 '직접 실행하기까지' 뒤를 강제 줄바꿈해
   2줄 레이아웃(…직접 실행하기까지 / — 데이터의 전 여정을…)을 고정한다.
   좁은 화면(≤1179px)에서는 숨겨 자연 흐름(text-wrap: balance)에 맡긴다. */
@media (max-width: 1179px) {
  .about-intro .about-lead .lead-break-d { display: none; }
}

/* ---------- Section 2: Keywords grid ---------- */
.about-keywords {
  text-align: center;
}

.about-keywords .section-title {
  margin-bottom: 80px;
}

.keyword-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: var(--max-width-content);
  margin: 0 auto;
}

.keyword-card {
  position: relative;
  padding: 48px 28px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  text-align: left;
  transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}

.keyword-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-accent);
  box-shadow: 0 20px 40px -20px rgba(0, 155, 223, 0.25);
}

.keyword-num {
  display: block;
  margin-bottom: 32px;
  font-family: 'Nunito', 'Pretendard Variable', sans-serif;
  font-size: var(--fs-small);
  font-weight: 600;

  color: var(--color-accent-text);
}

.keyword-name {
  margin: 0 0 12px;
  font-family: 'Nunito', 'Pretendard Variable', sans-serif;
  font-size: 28px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.keyword-desc {
  margin: 0;
  font-size: var(--fs-small);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-sub);
}

/* ---------- Section 2b: Platform flow (Network → Data → AI) ---------- */
.about-flow {
  text-align: center;
}

.about-flow .section-title {
  margin-bottom: 64px;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: var(--max-width-content);
  margin: 0 auto;
}

.flow-card .flow-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.flow-card .keyword-num {
  margin-bottom: 0;
}

.flow-tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--accent-alpha-10);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-accent-text);
}

.flow-sub {
  margin: 0 0 16px;
  font-size: var(--fs-body);
  font-weight: 600;
  color: var(--color-primary);
}

/* ---------- Section 3: Capabilities ---------- */
.about-capabilities {
  background: #fff;
}

.about-capabilities .capabilities-head {
  max-width: var(--max-width-content);
  margin: 0 auto 80px;
  text-align: center;
}

.capabilities-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: var(--max-width-content);
  margin-left: auto;
  margin-right: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.capability-item {
  display: flex;
  gap: 28px;
  padding: 36px 32px;
  background: #fafbfc;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  transition: background 0.3s ease, border-color 0.3s ease;
}

.capability-item:hover {
  background: #fff;
  border-color: var(--color-accent);
}

.capability-num {
  flex: 0 0 auto;
  font-family: 'Nunito', 'Pretendard Variable', sans-serif;
  font-size: 36px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-accent-text);
}

.capability-body h4 {
  margin: 0 0 12px;
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.capability-body p {
  margin: 0;
  font-size: var(--fs-small);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-sub);
}

/* ---------- Section 4: Heritage / Story ---------- */
.about-heritage .heritage-inner {
  max-width: 980px;
  margin: 0 auto;
}

.about-heritage .section-title {
  margin-bottom: 72px;
  text-align: center;
}

.heritage-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin: 0 0 88px;
  padding: 56px 48px;
  background: linear-gradient(180deg, #eef7fd 0%, #f7fbfe 100%);
  border: 1px solid var(--accent-alpha-10);
  color: var(--color-text);
  border-radius: 16px;
}

.heritage-stat {
  text-align: center;
}

.heritage-stat-num {
  display: block;
  font-family: 'Nunito', 'Pretendard Variable', sans-serif;
  font-size: clamp(2rem, 3.4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-accent-text);
  letter-spacing: -0.025em;
}

.heritage-stat-num .unit {
  font-size: 0.5em;
  margin-left: 4px;
  font-weight: 600;
  color: var(--color-primary);
}

.heritage-stat-label {
  display: block;
  margin-top: 14px;
  font-size: var(--fs-small);
  font-weight: 500;

  color: var(--color-muted);
}

.heritage-text {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.heritage-block h4 {
  margin: 0 0 18px;
  padding-left: 16px;
  border-left: 4px solid var(--color-accent);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.heritage-block p {
  margin: 0;
  padding-left: 20px;
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.85;
  color: var(--color-sub);
}

/* ---------- Section 4b: Mission-critical domains ---------- */
.about-domains {
  text-align: center;
}

.about-domains .section-title {
  margin-bottom: 20px;
}

.about-domains .domains-lead {
  max-width: var(--max-width-narrow);
  margin: 0 auto 64px;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--color-sub);
}

.domain-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.domain-en {
  display: block;
  margin-bottom: 14px;
  font-family: 'Nunito', 'Pretendard Variable', sans-serif;
  font-size: var(--fs-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-accent-text);
}

.domain-card .keyword-name {
  margin-bottom: 10px;
}

.domain-arrow {
  margin-top: 20px;
  font-family: 'Nunito', 'Pretendard Variable', sans-serif;
  font-size: var(--fs-body);
  font-weight: 600;
  color: var(--color-muted);
  transition: transform 0.3s ease, color 0.3s ease;
}

.domain-card:hover .domain-arrow {
  color: var(--color-accent-text);
  transform: translateX(4px);
}

/* ---------- Section 5: Challenge ---------- */
.about-challenge {
  text-align: center;
}

.challenge-eyebrow {
  margin: 0 0 24px;
  font-size: var(--fs-small);
  font-weight: 600;

  text-transform: uppercase;
  color: var(--color-accent-text);
}

.challenge-quote {
  margin: 0 auto 56px;
  max-width: 1000px;
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.025em;
  color: var(--color-primary);
}

.challenge-quote .accent {
  color: var(--color-accent-text);
}

.challenge-text {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: var(--max-width-content);
  margin: 0 auto;
}

.challenge-text p {
  margin: 0;
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.85;
  color: var(--color-sub);
}

/* ---------- Section 6: Company overview ---------- */
.about-overview .overview-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.about-overview .section-title {
  margin-bottom: 56px;
  text-align: center;
}

.overview-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--color-primary);
}

.overview-list li {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  padding: 24px 16px;
  border-bottom: 1px solid var(--color-border);
}

.overview-key {
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--color-primary);
}

.overview-value {
  font-size: var(--fs-small);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-sub);
}

.overview-sep {
  margin: 0 8px;
  color: var(--color-border);
}

.overview-value a {
  color: var(--color-accent-text);
  text-decoration: none;
}

.overview-value a:hover {
  text-decoration: underline;
}

/* ---------- Section 7: Location / Kakao Map ---------- */
.about-location .location-inner {
  max-width: var(--max-width-content);
  margin: 0 auto;
}

.about-location .section-title {
  margin-bottom: 56px;
  text-align: center;
}

.kakao-map {
  position: relative;
  width: 100%;
  margin-bottom: 48px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.kakao-map .root_daum_roughmap {
  width: 100% !important;
  border: 0 !important;
}

.kakao-map .root_daum_roughmap .wrap_map {
  height: 500px !important;
}

/* ---------- Vision & Mission ---------- */
.about-vision {
  text-align: center;
}

.about-vision .section-title {
  margin-bottom: 64px;
}

.vm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: var(--max-width-content);
  margin: 0 auto;
  text-align: left;
}

.vm-card {
  display: flex;
  flex-direction: column;
  padding: 48px 44px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
}

.vm-label {
  display: inline-block;
  margin: 0 0 24px;
  font-family: 'Nunito', 'Pretendard Variable', sans-serif;
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-accent-text);
}

.vm-label::after {
  content: "";
  display: block;
  width: 32px;
  height: 3px;
  margin-top: 12px;
  background: var(--color-accent);
  border-radius: 2px;
}

.vm-ko {
  margin: 0 0 18px;
  font-size: clamp(1.25rem, 1.9vw, 1.625rem);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  text-wrap: balance;
}

.vm-en {
  margin: 0;
  font-size: var(--fs-body);
  font-weight: 500;
  line-height: 1.6;
  color: var(--color-accent-text);
}

.vm-desc {
  margin: 28px 0 0;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--color-sub);
}

/* ---------- Brand name (사명) ---------- */
.about-name {
  text-align: center;
}

.about-name .name-inner {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
}

.name-equation {
  margin: 0 0 32px;
  font-family: 'Nunito', 'Pretendard Variable', sans-serif;
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--color-primary);
  text-wrap: balance;
}

.name-equation .name-brand {
  color: var(--color-accent-text);
}

.name-equation .name-eq {
  margin: 0 0.12em;
  font-weight: 400;
  color: var(--color-muted);
}

.name-desc {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--color-sub);
}

/* ---------- CI Story ---------- */
.about-ci {
  text-align: center;
}

.about-ci .section-title {
  margin-bottom: 64px;
}

.ci-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: center;
  max-width: var(--max-width-content);
  margin: 0 auto;
  text-align: left;
}

.ci-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 64px 48px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
}

.ci-logo {
  display: block;
  width: 100%;
  max-width: 320px; /* 원본 710px 이하로 잠가 업스케일 방지 */
  height: auto;
}

.ci-body p {
  margin: 0 0 20px;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--color-sub);
}

.ci-body p:last-child {
  margin-bottom: 0;
}

.ci-body .ci-vision {
  margin-top: 28px;
  padding: 22px 28px;
  background: #fff;
  border-left: 3px solid var(--color-accent);
  border-radius: 0 10px 10px 0;
  font-size: var(--fs-body);
  font-weight: 600;
  line-height: 1.7;
  color: var(--color-accent-text);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .about-section {
    padding: 100px 0;
  }

  .keyword-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .flow-grid {
    grid-template-columns: 1fr;
  }

  .capabilities-list {
    grid-template-columns: 1fr;
  }

  .vm-grid {
    grid-template-columns: 1fr;
  }

  .ci-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .ci-visual {
    padding: 48px 40px;
  }
}

@media (max-width: 720px) {
  .about-section {
    padding: 80px 0;
  }

  .about-intro .about-headline {
    margin-bottom: 32px;
  }

  .keyword-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .keyword-card {
    padding: 36px 24px;
  }

  .keyword-num {
    margin-bottom: 20px;
  }

  .heritage-stats {
    padding: 36px 24px;
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .heritage-block h4 {
    font-size: 19px;
  }

  .heritage-block p,
  .challenge-text p {
    font-size: var(--fs-small);
  }

  .overview-list li {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 18px 12px;
  }

  .capability-item {
    flex-direction: column;
    gap: 16px;
    padding: 28px 24px;
  }

  .capability-num {
    font-size: 30px;
  }

  .kakao-map {
    margin-bottom: 32px;
  }

  .kakao-map .root_daum_roughmap .wrap_map {
    height: 360px !important;
  }

  .vm-card {
    padding: 36px 28px;
  }

  .ci-visual {
    padding: 40px 28px;
  }

  .ci-body p,
  .ci-body .ci-vision {
    font-size: var(--fs-small);
  }
}