#about_page,
#about_page * {
  box-sizing: border-box;
}

#about_page {
  --about-blue: var(--hf-color-primary);
  --about-blue-dark: var(--hf-color-primary-hover);
  --about-text: var(--hf-color-text-strong);
  --about-muted: var(--hf-color-muted);
  --about-line: var(--hf-color-line);
  --about-soft: var(--hf-color-surface-soft);

  min-width: 320px;
  color: var(--about-text);
  background-color: var(--hf-color-page);
  font-family:
    나눔고딕,
    NanumGothic,
    "Nanum Gothic",
    맑은고딕,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  -webkit-font-smoothing: antialiased;
}

#about_page a {
  color: inherit;
  text-decoration: none;
}

#about_page a:hover,
#about_page a:focus {
  text-decoration: none;
}

.about_page_width {
  width: min(var(--hf-reading-max-width), calc(100% - var(--hf-site-inline-space)));
  max-width: none;
  margin-right: auto;
  margin-left: auto;
}

.about_top_eyebrow {
  display: inline-flex;
  align-items: center;
  margin: 0 0 18px;
  padding: 7px 14px;

  color: var(--hf-color-primary-text);
  background-color: var(--hf-color-surface-elevated);
  border: 1px solid rgba(var(--hf-color-primary-rgb), 0.3);
  border-radius: 999px;

  font-size: 12px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.about_eyebrow {
  margin: 0 0 20px;
  color: var(--about-blue-dark);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.015em;
}

/* Hero */

.about_hero {
  padding: 102px 0 102px;
  background:
    radial-gradient(
      circle at 82% 45%,
      rgba(67, 195, 242, 0.2),
      transparent 30%
    ),
    linear-gradient(135deg, var(--hf-color-brand-panel) 0%, var(--hf-color-brand-panel-strong) 100%);
  border-bottom: 1px solid rgba(var(--hf-color-primary-rgb), 0.18);
}

.about_hero h1 {
  max-width: 750px;
  margin: 0;
  margin-left: -4px;
  color: var(--hf-color-text-strong);
  font-size: clamp(36px, 6vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.065em;
  word-break: keep-all;
}

.about_hero_description {
  max-width: 600px;
  margin: 29px 0 0;
  color: var(--about-muted);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: -0.02em;
  word-break: keep-all;
}

/* 서비스 이야기 */

.about_story_section {
  padding: 118px 0 126px;
  border-bottom: 1px solid var(--about-line);
}

.about_story_layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 108px;
}

.about_section_heading h2 {
  margin: 0;
  color: var(--hf-color-text-strong);
  font-size: 31px;
  font-weight: 700;
  line-height: 1.38;
  letter-spacing: -0.055em;
  word-break: keep-all;
}

.about_story_content {
  min-width: 0;
  color: var(--hf-color-text);
  font-size: 15px;
  line-height: 1.9;
  letter-spacing: -0.018em;
  word-break: keep-all;
}

.about_story_content p {
  margin: 0 0 24px;
}

.about_story_content blockquote {
  margin: 39px 0 0;
  padding: 23px 26px;
  color: var(--hf-color-text);
  background-color: var(--about-soft);
  border: 0;
  border-left: 3px solid var(--about-blue);
  font-size: 14px;
  line-height: 1.8;
}

/* 공통 섹션 제목 */

.about_section_header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 50px;
  margin-bottom: 40px;
}

.about_section_header h2 {
  margin: 0;
  color: var(--hf-color-text-strong);
  font-size: 29px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.05em;
  word-break: keep-all;
}

.about_section_header > p {
  max-width: 320px;
  margin: 0 0 2px;
  color: var(--about-muted);
  font-size: 13px;
  line-height: 1.75;
  text-align: right;
  word-break: keep-all;
}

/* Thanks */

.about_thanks_section {
  padding: 104px 0 112px;
  background-color: var(--about-soft);
  border-bottom: 1px solid var(--about-line);
}

.about_credit_list {
  border-top: 1px solid var(--hf-color-line);
}

.about_credit_item {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  align-items: center;
  min-height: 80px;
  padding: 0 4px;
  border-bottom: 1px solid var(--hf-color-line);
}

.about_credit_role {
  color: var(--hf-color-text);
  font-size: 12px;
  font-weight: 600;
}

.about_credit_item strong {
  color: var(--hf-color-text-strong);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* 외부 출처 */

.about_source_section {
  padding: 110px 0 125px;
}

.about_source_grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.about_source_item {
  display: flex;
  min-width: 0;
  min-height: 220px;
  flex-direction: column;
  padding: 28px 28px 25px;
  background-color: var(--about-soft);
  border-radius: 13px;
  transition:
    background-color 0.16s ease,
    transform 0.16s ease;
}

.about_source_item:hover {
  background-color: var(--hf-color-line);
  transform: translateY(-2px);
}

.about_source_top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.about_source_category {
  color: var(--about-blue-dark);
  font-size: 10px;
  font-weight: 700;
}

.about_source_top > i {
  color: var(--hf-color-line);
  font-size: 17px;
}

.about_source_item h3 {
  margin: 31px 0 0;
  color: var(--hf-color-text-strong);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.04em;
  word-break: keep-all;
}

.about_source_item > p {
  margin: 7px 0 0;
  color: var(--about-muted);
  font-size: 12px;
  line-height: 1.6;
}

.about_source_item > a {
  display: inline-flex;
  width: max-content;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 28px;
  color: var(--hf-color-text) !important;
  font-size: 11px;
  font-weight: 600;
  transition: color 0.16s ease;
}

.about_source_item > a i {
  font-size: 12px;
  transform: translateY(1px);
}

.about_source_item > a:hover,
.about_source_item > a:focus {
  color: var(--about-blue-dark) !important;
}

/* 태블릿 */

@media (max-width: 820px) {
  .about_story_layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 65px;
  }
}

/* 모바일 */

@media (max-width: 720px) {
  .about_page_width {
    width: min(var(--hf-reading-max-width), calc(100% - var(--hf-site-inline-space)));
  }

  .about_hero {
    padding: 78px 0 72px;
  }

  .about_hero h1 {
    font-size: clamp(30px, 10.5vw, 40px);
    line-height: 1.25;
  }

  .about_hero_description {
    margin-top: 23px;
    font-size: 14px;
    line-height: 1.75;
  }

  .about_story_section {
    padding: 78px 0 83px;
  }

  .about_story_layout {
    grid-template-columns: 1fr;
    gap: 39px;
  }

  .about_section_heading h2 {
    font-size: 27px;
  }

  .about_story_content {
    font-size: 14px;
    line-height: 1.85;
  }

  .about_story_content p {
    margin-bottom: 21px;
  }

  .about_story_content blockquote {
    margin-top: 31px;
    padding: 20px 21px;
    font-size: 13px;
  }

  .about_thanks_section,
  .about_source_section {
    padding: 76px 0 84px;
  }

  .about_section_header {
    display: block;
    margin-bottom: 31px;
  }

  .about_section_header h2 {
    font-size: 25px;
  }

  .about_section_header > p {
    max-width: none;
    margin-top: 16px;
    font-size: 12px;
    text-align: left;
  }

  .about_credit_item {
    grid-template-columns: 120px minmax(0, 1fr);
    min-height: 72px;
  }

  .about_credit_role {
    font-size: 11px;
  }

  .about_credit_item strong {
    font-size: 13px;
    line-height: 1.55;
  }

  .about_source_grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .about_source_item {
    min-height: 190px;
    padding: 24px 22px 22px;
  }

  .about_source_item h3 {
    margin-top: 26px;
    font-size: 17px;
  }
}