/* ================================
   About Page
================================ */
.about-page .container {
  width: min(calc(100% - (var(--side) * 2)), 1200px);
}

.about-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(112px, 13vw, 176px) 0;
  text-align: center;
  background: #fff;
}

.about-hero::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;

  /* PC에서 회색 배경 시작 위치 */
  top: 620px;

  bottom: 0;
  background: #f7f7f7;
  z-index: 0;
}



.about-hero > .container {
  position: relative;
  z-index: 1;
}

.about-hero h1 {
  margin: 0 0 clamp(82px, 9vw, 118px);
  font-family: var(--font-en);
  font-size: clamp(58px, 8.6vw, 130px);
  line-height: .98;
  letter-spacing: -0.02em;
  font-weight: bold;
}

.about-hero__visual {
  width: min(100%, 1120px);
  margin-inline: auto;
}

.about-hero__visual img {
  width: 100%;
  aspect-ratio: 1000 / 500;
  object-fit: cover;
}

.about-intro {
  padding-block: clamp(54px, 7vw, 82px) clamp(82px, 11vw, 136px);
  text-align: center;
  background: #f7f7f7;
}

.about-intro h2 {
  margin: 0 0 32px;
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.about-intro > .container > p {
  margin: 0 auto clamp(72px, 9vw, 112px);
  max-width: 760px;
  font-size: clamp(14px, 1vw, 24px);
  line-height: 1.7;
  letter-spacing: -0.01em;
  font-weight: medium;
}

.about-point-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(30px, 5vw, 72px);
}

.about-point-grid article {
  position: relative;
  padding-inline: 20px;
}

.about-point-grid article + article::before {
  content: "";
  position: absolute;
  left: calc(clamp(30px, 5vw, 72px) / -2);
  top: 62px;
  width: 1px;
  height: 38px;
  background: #8d8d8d;
}

.about-point-grid span {
  display: inline-flex;
  margin-bottom: 24px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #000;
  color: #fff;
  font-family: var(--font-en);
  font-size: 14px;
  line-height: 1;
  font-weight: normal;
}

.about-point-grid h3 {
  margin: 0 0 26px;
  font-size: clamp(19px, 2vw, 28px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  font-weight: bold;
}

.about-point-grid p {
  margin: 0;
  font-size: clamp(14px, .98vw, 15px);
  line-height: 1.75;
  letter-spacing: -0.05em;
  font-weight: normal;
}

.about-milestone {
  padding-block: clamp(92px, 13vw, 142px) clamp(96px, 12vw, 142px);
  background: #fff;
}

.about-milestone__inner {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: clamp(54px, 9vw, 126px);
  align-items: start;
}

.about-milestone__head h2 {
  margin: 0 0 42px;
  font-family: var(--font-en);
  font-size: clamp(50px, 5vw, 80px);
  line-height: 1;
  letter-spacing: -0.02em;
  font-weight: bold;
}

.about-milestone__head p {
  margin-bottom: 20px;
  font-size: clamp(20px, 1.25vw, 35px);
  line-height: 1.6;
  letter-spacing: -0.02em;
  font-weight: bold;
}

.milestone-list {
  position: relative;
  display: grid;
  /* 항목 사이 간격 */
  --milestone-gap: clamp(34px, 4.2vw, 48px);

  /* 선과 동그라미의 고정 x 위치 */
  --timeline-x: 24px;

  /* 선에서 텍스트까지 거리 */
  --content-left: 96px;
    gap: var(--milestone-gap);
}

/* 기존 전체 세로선 제거 */
.milestone-list::before {
  display: none;
}

/* 각 연도 항목 */
.milestone-list article {
  position: relative;
  padding-left: var(--content-left);
}

/* 동그라미 */
.milestone-list article::before {
  content: "";
  position: absolute;
  left: calc(var(--timeline-x) - 5px);
  top: 13px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #c8c8c8;
  z-index: 2;
}

/* 동그라미 사이의 끊어진 세로선 */
.milestone-list article:not(:last-child)::after {
  content: "";
  position: absolute;
  left: var(--timeline-x);
  top: 35px;
  bottom: calc(0px - var(--milestone-gap) - 2px);
  width: 1px;
  background: #b6b6b6;
  z-index: 1;
}

.milestone-list time {
  display: block;
  margin-left: 16px;
  margin-bottom: 16px;
  font-family: var(--font-en);
  font-size: clamp(24px, 2.5vw, 35px);
  line-height: 1;
  letter-spacing: -0.055em;
  font-weight: normal;
}

.milestone-list ul {
  margin: 0;
  padding-left: 15px;
}

.milestone-list li {
  margin: 10px 30px;
  font-size: clamp(14px, .98vw, 16px);
  line-height: 1.55;
  letter-spacing: -0.04em;
  font-weight: normal;
}
@media (max-width: 1300px) {
  .about-hero::before {
    top: 560px;
  }
}

@media (max-width: 1100px) {
  .about-hero::before {
    top: 500px;
  }
}

@media (max-width: 960px) {
  .about-page .container {
    width: min(calc(100% - (var(--side) * 2)), var(--container));
  }
  
  .about-hero::before {
    top: 400px;
  }

  .about-milestone__inner {
    grid-template-columns: 1fr;
    gap: 72px;
    max-width: 640px;
    margin: 0 auto;
  }

  .about-milestone__head {
    text-align: center;
  }

  .about-milestone__head h2 {
    margin-bottom: 34px;
  }

  .milestone-list {
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
  }
}

@media (max-width: 760px) {
  .about-hero { padding-block: 92px 0; }
  .about-hero h1 { font-size: clamp(54px, 15vw, 68px); }
  .about-hero__visual { width: calc(100% + 18px); margin-left: -9px; }
  .about-intro { padding-block: 46px 80px; }
  .about-point-grid { grid-template-columns: 1fr; gap: 44px; }
  .about-point-grid article { padding: 0 0 44px; border-bottom: 1px solid #d2d2d2; }
  .about-point-grid article + article::before { display: none; }
  .about-point-grid article:last-child { padding-bottom: 0; border-bottom: 0; }
  .about-milestone__inner {max-width: 420px;gap: 56px;}
  .milestone-list {max-width: 360px;}
  .milestone-list article {   padding-left: 38px; }
  .about-hero::before {top: 400px;}
  .milestone-list article::before {top: 10px;}
}

@media (max-width: 500px) {
  .about-hero::before {top: 300px;}
}