:root {
  --woljeon-surface: #ffffff;
  --woljeon-text: #1c2733;
  --woljeon-muted: rgba(28, 39, 51, 0.65);
  --woljeon-shadow: 0 18px 35px rgba(32, 71, 104, 0.12);
  --woljeon-radius: 18px;
  --woljeon-ink-78: rgba(28, 39, 51, 0.78);
  --woljeon-ink-58: rgba(28, 39, 51, 0.9);
  --woljeon-ink-42: rgba(28, 39, 51, 0.42);
}

html,
body {
  height: 100%;
}

html {
  font-size: 18px;
}

body {
  font-family: "Pretendard", system-ui, -apple-system, Segoe UI, Roboto,
    "Noto Sans KR", Arial, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--woljeon-text);
  background: #f6fbff;
}

.py-lg-6 {
  padding-top: 4rem !important;
  padding-bottom: 4rem !important;
}

.page-bg {
  --mx40: 0px;
  --my32: 0px;
  --mxn36: 0px;
  --my28: 0px;
  --mx28: 0px;
  --my18: 0px;
  --mxn26: 0px;
  --my16: 0px;
  --mx20: 0px;
  --my14: 0px;
  --mx18: 0px;
  --mxn22: 0px;
  --myn18: 0px;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(
      1100px 520px at
        calc(16% + var(--mx40))
        calc(-10% + var(--my32)),
      rgba(65, 199, 120, 0.18) 0%,
      rgba(65, 199, 120, 0) 62%
    ),
    radial-gradient(
      920px 520px at
        calc(86% + var(--mxn36))
        calc(0% + var(--my28)),
      rgba(74, 171, 255, 0.18) 0%,
      rgba(74, 171, 255, 0) 58%
    ),
    linear-gradient(180deg, #eefbf1 0%, #f1fbf7 34%, #eef7ff 72%, #ffffff 100%);
}

.page-bg::before {
  content: "";
  position: absolute;
  inset: -30% -20% auto -20%;
  height: 60%;
  background: radial-gradient(
      45% 55% at
        calc(20% + var(--mx28))
        calc(45% + var(--my18)),
      rgba(65, 199, 120, 0.16) 0%,
      rgba(65, 199, 120, 0.02) 68%,
      rgba(65, 199, 120, 0) 100%
    ),
    radial-gradient(
      55% 65% at
        calc(75% + var(--mxn26))
        calc(40% + var(--my16)),
      rgba(74, 171, 255, 0.18) 0%,
      rgba(74, 171, 255, 0.03) 70%,
      rgba(74, 171, 255, 0) 100%
    ),
    radial-gradient(
      50% 60% at
        calc(52% + var(--mx20))
        calc(10% + var(--my14)),
      rgba(255, 146, 43, 0.08) 0%,
      rgba(255, 146, 43, 0) 62%
    );
  transform: translate3d(var(--mx40), var(--my32), 0) rotate(-7deg);
  pointer-events: none;
}

.page-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      circle at 1px 1px,
      rgba(28, 39, 51, 0.035) 1px,
      rgba(0, 0, 0, 0) 1.5px
    ),
    radial-gradient(
      60% 60% at
        calc(50% + var(--mx18))
        calc(40% + var(--my16)),
      rgba(88, 195, 255, 0.12) 0%,
      rgba(88, 195, 255, 0.02) 60%,
      rgba(88, 195, 255, 0) 100%
    ),
    radial-gradient(
      1100px 560px at
        calc(50% + var(--mxn22))
        calc(112% + var(--myn18)),
      rgba(88, 195, 255, 0.14) 0%,
      rgba(88, 195, 255, 0) 62%
    );
  background-size: 26px 26px, auto, auto;
  opacity: 0.75;
  transform: translate3d(var(--mxn36), var(--my28), 0);
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-bg {
    --mx40: 0px;
    --my32: 0px;
    --mxn36: 0px;
    --my28: 0px;
    --mx28: 0px;
    --my18: 0px;
    --mxn26: 0px;
    --my16: 0px;
    --mx20: 0px;
    --my14: 0px;
    --mx18: 0px;
    --mxn22: 0px;
    --myn18: 0px;
  }
}

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

.brand__mark {
  width: 100%;
  max-width: 220px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.brand__mark img {
  display: block;
  /*width: 170px;*/
  max-width: 72vw;
  height: auto;
}

.brand__mark-swoosh {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 52px;
  height: 14px;
  border-radius: 999px;
  transform: translate(-50%, -50%) rotate(-14deg);
  filter: drop-shadow(0 10px 12px rgba(28, 39, 51, 0.18));
}

.brand__mark-swoosh--a {
  background: linear-gradient(90deg, #20c997 0%, #5dd6ff 100%);
  top: 38%;
}

.brand__mark-swoosh--b {
  background: linear-gradient(90deg, #ff8a00 0%, #ffd43b 100%);
  top: 52%;
  width: 46px;
  opacity: 0.95;
}

.brand__mark-swoosh--c {
  background: linear-gradient(90deg, #845ef7 0%, #ff6b6b 100%);
  top: 66%;
  width: 40px;
  opacity: 0.9;
}

.brand__name {
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.brand__title {
  font-size: clamp(1.45rem, 2.35vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--woljeon-ink-78);
}

.brand__desc {
  margin: 0.85rem auto 0;
  max-width: 46rem;
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: -0.02em;
  color: var(--woljeon-ink-58);
}

.portal-card {
  --rollover-a: rgba(74, 171, 255, 0.14);
  --rollover-b: rgba(65, 199, 120, 0.12);
  --rollover-c: rgba(255, 146, 43, 0.1);
  --card-bg-a: rgba(74, 171, 255, 0.06);
  --card-bg-b: rgba(65, 199, 120, 0.04);
  --card-border-a: rgba(74, 171, 255, 0.35);
  --card-border-b: rgba(65, 199, 120, 0.28);
  width: 100%;
  max-width: 460px;
  margin-left: auto;
  margin-right: auto;
  background:
    linear-gradient(180deg, #ffffff 0%, #ffffff 100%) padding-box,
    linear-gradient(135deg, var(--card-border-a) 0%, var(--card-border-b) 60%, rgba(255, 255, 255, 0) 100%)
      border-box;
  border-radius: var(--woljeon-radius);
  box-shadow: var(--woljeon-shadow), 0 1px 0 rgba(255, 255, 255, 0.9) inset;
  border: 1px solid rgba(0, 0, 0, 0);
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease,
    filter 220ms ease;
}

@media (min-width: 768px) {
  .portal-card {
    margin-left: 0;
    margin-right: 0;
  }
}

.portal-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background:
    radial-gradient(
      720px 520px at 50% 0%,
      rgba(255, 255, 255, 0.75) 0%,
      rgba(255, 255, 255, 0) 62%
    ),
    radial-gradient(
      520px 340px at 20% 22%,
      var(--rollover-a) 0%,
      rgba(0, 0, 0, 0) 60%
    ),
    radial-gradient(
      520px 360px at 80% 32%,
      var(--rollover-b) 0%,
      rgba(0, 0, 0, 0) 62%
    ),
    radial-gradient(
      520px 360px at 52% 92%,
      var(--rollover-c) 0%,
      rgba(0, 0, 0, 0) 64%
    ),
    linear-gradient(
      135deg,
      rgba(74, 171, 255, 0.06) 0%,
      rgba(65, 199, 120, 0.05) 55%,
      rgba(255, 146, 43, 0.04) 100%
    );
  background-size: 140% 140%;
  background-position: 0% 0%;
  opacity: 0;
  transform: scale(1.03);
  transition: opacity 220ms ease, transform 600ms cubic-bezier(0.2, 0.8, 0.2, 1),
    background-position 900ms ease;
  pointer-events: none;
}

.portal-card::after {
  content: "";
  position: absolute;
  inset: -60% -40%;
  background: linear-gradient(
    110deg,
    rgba(255, 255, 255, 0) 40%,
    rgba(255, 255, 255, 0.65) 50%,
    rgba(255, 255, 255, 0) 60%
  );
  opacity: 0;
  transform: translateX(-45%) rotate(10deg);
  transition: transform 780ms ease, opacity 220ms ease;
  pointer-events: none;
}

.portal-card__inner {
  padding: 3.35rem 2.55rem;
  min-height: 360px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
}

.portal-card__kicker {
  font-size: 0.8rem;
  letter-spacing: 0.32em;
  color: var(--woljeon-ink-42);
  font-weight: 800;
  margin-bottom: 0.95rem;
}

.portal-card__headline {
  display: grid;
  gap: 0.35rem;
}

.portal-card__headline-accent {
  font-size: clamp(1.6rem, 2.55vw, 2.15rem);
  font-weight: normal;
  letter-spacing: -0.05em;
  line-height: 1.16;
  font-family: "Maru Buri", serif;
  display: inline-block;
  transform: translateY(0) scale(1);
  transition: transform 220ms ease, filter 220ms ease;
}

.portal-card__sub {
  margin-top: 0.85rem;
  font-size: 0.95rem;
  color: var(--woljeon-muted);
  letter-spacing: -0.02em;
}

.portal-card__lead {
  margin-top: 0.95rem;
  font-size: 1.08rem;
  font-weight: 500;
  letter-spacing: -0.07em;
  /*color: var(--woljeon-ink-78);*/
  color: #000;
  transform: translateY(0);
  transition: transform 220ms ease, color 220ms ease;
}

.portal-card__desc {
  margin-top: 1.15rem;
  max-width: 29rem;
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: -0.04em;
  color: var(--woljeon-ink-58);
  word-break: keep-all;
  overflow-wrap: break-word;
  transform: translateY(0);
  transition: transform 220ms ease, color 220ms ease, opacity 220ms ease;
}

.portal-card__cta {
  margin-top: 1.65rem;
  font-size: 0.99rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: rgba(28, 39, 51, 0.82);
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  position: relative;
}

.portal-card__cta::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    rgba(59, 130, 246, 0.7) 0%,
    rgba(34, 197, 94, 0.55) 55%,
    rgba(255, 146, 43, 0.6) 100%
  );
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
  pointer-events: none;
}

.portal-card__cta i {
  transition: transform 160ms ease;
}

.portal-card:hover .portal-card__cta i {
  transform: translateX(7px);
}

.portal-card:hover .portal-card__cta {
  color: rgba(28, 39, 51, 0.95);
}

.portal-card:hover .portal-card__cta::after {
  transform: scaleX(1);
}

.portal-card:hover .portal-card__headline-accent {
  font-weight: 700;
  transform: translateY(-2px) scale(1.03);
  filter: saturate(1.1);
}

.portal-card:hover .portal-card__lead {
  transform: translateY(-1px);
  color: rgba(28, 39, 51, 0.92);
}

.portal-card:hover .portal-card__desc {
  transform: translateY(-1px);
  color: rgba(28, 39, 51, 0.78);
  opacity: 0.98;
}

.portal-card--museum {
  --rollover-a: rgba(59, 130, 246, 0.18);
  --rollover-b: rgba(132, 94, 247, 0.18);
  --rollover-c: rgba(255, 77, 109, 0.14);
  --card-bg-a: rgba(59, 130, 246, 0.06);
  --card-bg-b: rgba(132, 94, 247, 0.05);
  --card-border-a: rgba(59, 130, 246, 0.42);
  --card-border-b: rgba(255, 77, 109, 0.34);
}

.portal-card--foundation {
  --rollover-a: rgba(6, 182, 212, 0.18);
  --rollover-b: rgba(34, 197, 94, 0.18);
  --rollover-c: rgba(255, 146, 43, 0.14);
  --card-bg-a: rgba(6, 182, 212, 0.06);
  --card-bg-b: rgba(34, 197, 94, 0.05);
  --card-border-a: rgba(34, 197, 94, 0.42);
  --card-border-b: rgba(255, 146, 43, 0.34);
}

.portal-card--museum .portal-card__headline-accent {
  background: linear-gradient(90deg, #ff4d6d 0%, #845ef7 55%, #3b82f6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.portal-card--foundation .portal-card__headline-accent {
  background: linear-gradient(90deg, #ff922b 0%, #22c55e 55%, #06b6d4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.portal-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 26px 60px rgba(32, 71, 104, 0.18);
  border-color: rgba(26, 54, 80, 0.14);
  filter: saturate(1.06) brightness(1.02);
}

.portal-card:hover::before {
  opacity: 1;
  transform: scale(1);
  background-position: 100% 100%;
}

.portal-card:hover::after {
  opacity: 0.9;
  transform: translateX(45%) rotate(10deg);
}

.portal-card:focus-visible {
  outline: 3px solid rgba(59, 130, 246, 0.35);
  outline-offset: 4px;
}

.social__btn {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(26, 54, 80, 0.08);
  color: rgba(28, 39, 51, 0.75);
  text-decoration: none;
  box-shadow: 0 10px 22px rgba(32, 71, 104, 0.1);
  transition: transform 160ms ease, color 160ms ease, background 160ms ease;
}

.social__btn i {
  font-size: 20px;
  line-height: 1;
}

.social__btn--youtube {
  color: #ff0033;
}

.social__btn--instagram i {
  background: radial-gradient(
    circle at 30% 110%,
    #fdf497 0%,
    #fdf497 5%,
    #fd5949 45%,
    #d6249f 60%,
    #285aeb 90%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.social__btn--naver {
  color: #03c75a;
}

.social__naver {
  font-size: 21px;
  font-weight: 900;
  line-height: 1;
  transform: translateY(-1px);
}

.social__btn:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 1);
  border-color: rgba(26, 54, 80, 0.12);
}

.site-footer__links {
  font-size: 0.9rem;
}

.site-footer__link {
  color: rgba(28, 39, 51, 0.72);
  text-decoration: none;
}

.site-footer__link:hover {
  color: rgba(28, 39, 51, 0.92);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-footer__meta {
  font-size: 0.83rem;
  color: rgba(28, 39, 51, 0.55);
  letter-spacing: -0.01em;
}

.site-footer__line + .site-footer__line {
  margin-top: 0.35rem;
}

@media (max-width: 575.98px) {
  .portal-card__inner {
    padding: 2.6rem 1.75rem;
    min-height: 340px;
  }
}