/* ==========================================================================
   FAN TOKEN KOREA ABOUT PAGE
   ========================================================================== */

.about-page {
  overflow: hidden;
  background: var(--color-void);
  color: var(--color-white);
}

.about-page .container {
  width: min(calc(100% - 48px), var(--container-max));
  margin-inline: auto;
}


/* HERO */
.about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 650px;
  display: flex;
  align-items: flex-end;
  padding: 190px 0 110px;
  background:
    linear-gradient(
      180deg,
      rgba(7, 7, 15, 0.38) 0%,
      rgba(7, 7, 15, 0.68) 55%,
      rgba(7, 7, 15, 0.94) 100%
    ),
    radial-gradient(
      circle at 78% 24%,
      rgba(123, 77, 255, 0.24),
      transparent 38%
    ),
    url("/ko/img/about/about-hero.webp") center 35% / cover no-repeat;
}

.about-hero__grid {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000 0%, #000 68%, transparent 100%);
}

.about-hero__glow {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
}

.about-hero__glow--purple {
  width: 520px;
  height: 520px;
  top: 10%;
  right: -140px;
  background: rgba(123, 77, 255, 0.22);
}

.about-hero__glow--acid {
  width: 280px;
  height: 280px;
  left: -80px;
  bottom: 0;
  background: rgba(202, 255, 0, 0.09);
}

.about-hero__inner {
  position: relative;
  z-index: 1;
}

.about-hero .hero__title {
  max-width: 940px;
  margin: 0;
  font-size: clamp(2.8rem, 6vw, 2.8rem);
}

.about-hero .hero__title span {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.42);
}

.about-hero__desc {
  max-width: 720px;
  margin-top: 30px;
  color: rgba(255, 255, 255, 0.68);
  font-family: "Noto Sans KR", sans-serif;
  font-size: clamp(1rem, 1.35vw, 1.14rem);
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: -0.025em;
}


/* SECTION HEAD */
.about-section-head {
  margin-bottom: clamp(48px, 7vw, 88px);
}

.about-section-head--center {
  width: 100%;
  max-width: none;
  margin-inline: 0;
  text-align: left;
}

.about-section-desc {
  max-width: 680px;
  margin: 24px auto 0;
  color: var(--color-muted);
  font-family: "Noto Sans KR", sans-serif;
  font-size: 1.02rem;
  line-height: 1.8;
  letter-spacing: -0.025em;
}


/* CEO */
.about-ceo .about-section-head,
.about-ceo__layout {
  width: 100%;
  max-width: 1100px;
  margin-inline: auto;
}

.about-ceo {
  position: relative;
  padding: clamp(92px, 10vw, 150px) 0;
  background:
    radial-gradient(circle at 92% 10%, rgba(123, 77, 255, 0.1), transparent 28%),
    var(--color-deep);
}

.about-ceo__layout {
  display: block;
}

.about-ceo__message {
  width: 100%;
  max-width: none;
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  font-family: "Noto Sans KR", sans-serif;
  font-size: clamp(1rem, 1.2vw, 1.2rem);
  font-weight: 400;
  line-height: 2;
  letter-spacing: -0.03em;
}

.about-ceo__message p {
  margin: 0;
}

.about-ceo__message p + p {
  margin-top: 26px;
}

.about-ceo__hello,
.about-ceo__thanks {
  color: var(--color-white);
  font-weight: 700;
}

.about-ceo__hello {
  font-size: 1.26rem;
}

.about-ceo__signature {
  margin-top: 48px;
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  text-align: right;
}

.about-ceo__signature span {
  display: inline-block;
  margin-right: 12px;
  color: var(--color-muted);
  font-family: "Noto Sans KR", sans-serif;
  font-size: 0.9rem;
  font-weight: 400;
}

.about-ceo__signature strong {
  display: inline-block;
  color: var(--color-white);
  font-family: "Noto Sans KR", sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}


/* HISTORY */
.about-history {
  position: relative;
  padding: clamp(92px, 10vw, 150px) 0;
  background:
    radial-gradient(circle at 8% 12%, rgba(202, 255, 0, 0.06), transparent 24%),
    var(--color-void);
}

.about-history__timeline {
  position: relative;
  max-width: 1160px;
  margin-inline: auto;
}

.about-history__timeline::before {
  content: "";
  position: absolute;
  top: 18px;
  bottom: 18px;
  left: 148px;
  width: 1px;
  background: linear-gradient(
    to bottom,
    rgba(202, 255, 0, 0.18),
    rgba(123, 77, 255, 0.5),
    rgba(202, 255, 0, 0.18)
  );
}

.about-history__item {
  position: relative;
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 58px;
  padding-bottom: 28px;
}

.about-history__item:last-child {
  padding-bottom: 0;
}

.about-history__item::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 142px;
  width: 13px;
  height: 13px;
  border: 3px solid var(--color-void);
  border-radius: 50%;
  background: var(--color-purple);
  box-shadow:
    0 0 0 1px rgba(123, 77, 255, 0.55),
    0 0 20px rgba(123, 77, 255, 0.42);
}

.about-history__item--current::before {
  background: var(--color-acid);
  box-shadow:
    0 0 0 1px rgba(202, 255, 0, 0.55),
    0 0 24px rgba(202, 255, 0, 0.42);
}

.about-history__year {
  padding-top: 2px;
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: clamp(1.42rem, 2vw, 1.9rem);
  font-weight: 900;
  text-align: right;
}

.about-history__content {
  padding: 22px 28px 24px;
  border: 1px solid rgba(255, 255, 255, 0.085);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.028);
  transition:
    transform var(--dur-mid) var(--ease-out-expo),
    border-color var(--dur-mid) ease,
    background var(--dur-mid) ease;
}

.about-history__content:hover {
  transform: translateX(6px);
  border-color: rgba(123, 77, 255, 0.38);
  background: rgba(123, 77, 255, 0.055);
}

.about-history__content > span {
  display: inline-flex;
  margin-bottom: 9px;
  color: var(--color-acid);
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.about-history__content h3 {
  margin: 0;
  color: var(--color-white);
  font-family: "Noto Sans KR", sans-serif;
  font-size: clamp(1.02rem, 1.4vw, 1.22rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.035em;
}

.about-history__content p {
  margin: 8px 0 0;
  color: var(--color-muted);
  font-family: "Noto Sans KR", sans-serif;
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: -0.025em;
}


/* VISION */
.about-vision {
  padding: clamp(88px, 10vw, 144px) 0;
  background:
    radial-gradient(circle at 86% 30%, rgba(123, 77, 255, 0.25), transparent 34%),
    linear-gradient(135deg, #111118 0%, #191526 100%);
  border-top: 1px solid var(--color-border);
}

.about-vision__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(52px, 8vw, 120px);
  align-items: end;
}

.about-vision__inner > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-family: "Noto Sans KR", sans-serif;
  font-size: clamp(1rem, 1.35vw, 1.12rem);
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: -0.03em;
}


/* TABLET */
@media (max-width: 1024px) {
  .about-ceo__layout {
  display: block;
}

  .about-history__timeline::before {
    left: 118px;
  }

  .about-history__item {
    grid-template-columns: 94px minmax(0, 1fr);
    gap: 48px;
  }

  .about-history__item::before {
    left: 112px;
  }
}


/* MOBILE */
@media (max-width: 768px) {
  .about-page .container {
    width: calc(100% - 30px);
  }

  .about-hero {
    min-height: 540px;
    padding: 150px 0 74px;
  }

  .about-hero .hero__title {
    font-size: clamp(2.2rem, 10vw, 3.5rem);
    line-height: 1.12;
  }

  .about-hero__desc {
    margin-top: 24px;
    font-size: 0.94rem;
    line-height: 1.8;
  }

  .about-ceo,
  .about-history {
    padding: 78px 0;
  }

  .about-section-head {
    margin-bottom: 42px;
  }

  .about-section-desc {
    font-size: 0.92rem;
  }

  .about-ceo__message {
    font-size: 0.95rem;
    line-height: 1.9;
  }

  .about-ceo__message p + p {
    margin-top: 22px;
  }

  .about-ceo__signature {
    margin-top: 36px;
    padding-top: 22px;
  }

  .about-ceo__signature span {
    display: block;
    margin: 0 0 5px;
    font-size: 0.82rem;
  }

  .about-ceo__signature strong {
    font-size: 1.25rem;
  }

  .about-history__timeline::before {
    left: 7px;
  }

  .about-history__item {
    display: block;
    padding-left: 32px;
    padding-bottom: 22px;
  }

  .about-history__item::before {
    top: 9px;
    left: 1px;
  }

  .about-history__year {
    margin-bottom: 10px;
    padding: 0;
    text-align: left;
    font-size: 1.45rem;
  }

  .about-history__content {
    padding: 20px;
    border-radius: 17px;
  }

  .about-history__content:hover {
    transform: none;
  }

  .about-history__content h3 {
    font-size: 1rem;
  }

  .about-history__content p {
    font-size: 0.86rem;
    line-height: 1.65;
  }

  .about-vision {
    padding: 76px 0;
  }

  .about-vision__inner {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .about-vision__inner > p {
    font-size: 0.94rem;
    line-height: 1.8;
  }
}


/* REDUCED MOTION */
@media (prefers-reduced-motion: reduce) {
  .about-history__content {
    transition: none;
  }
}