:root {
  --bg: #080d19;
  --surface: #0d1424;
  --surface-2: #111b31;
  --line: rgba(142, 162, 211, 0.18);
  --line-strong: rgba(155, 179, 236, 0.34);
  --text: #f8f9fd;
  --muted: #aab6cf;
  --muted-2: #7e8dac;
  --blue: #9bb4f1;
  --blue-strong: #b7c9ff;
  --container: 1180px;
  --header-height: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "Inter", "Pretendard", "Noto Sans KR", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

img,
video {
  display: block;
  max-width: 100%;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

h1,
h2,
h3,
p,
figure {
  margin-top: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: #050814;
  background: #fff;
  border-radius: 8px;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

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

.section {
  position: relative;
  padding: 132px 0;
}

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 12, 24, 0.76);
  backdrop-filter: blur(16px);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(7, 12, 24, 0.94);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.22);
}

.header-inner {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.brand-logo {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.primary-nav a {
  position: relative;
  padding: 8px 0;
  color: #aeb7cc;
  font-size: 0.71rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  transition: color 160ms ease;
}

.primary-nav a:hover,
.primary-nav a.active {
  color: #fff;
}

.primary-nav a.active::after {
  position: absolute;
  right: 0;
  bottom: 1px;
  left: 0;
  height: 1px;
  background: var(--blue);
  content: "";
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 0;
  background: transparent;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  margin: 6px auto;
  background: #fff;
  transition: transform 180ms ease;
}

.hero {
  display: flex;
  min-height: 900px;
  padding-top: calc(var(--header-height) + 76px);
  padding-bottom: 78px;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  z-index: -3;
  overflow: hidden;
  background: #070b16;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  z-index: -2;
  background:
    linear-gradient(
      90deg,
      rgba(4, 8, 18, 0.97) 0%,
      rgba(4, 8, 18, 0.88) 29%,
      rgba(4, 8, 18, 0.48) 59%,
      rgba(4, 8, 18, 0.12) 100%
    ),
    linear-gradient(
      180deg,
      rgba(5, 9, 18, 0.24) 0%,
      rgba(5, 9, 18, 0.08) 58%,
      rgba(5, 9, 18, 0.66) 100%
    );
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  display: flex;
  margin-bottom: 25px;
  color: var(--blue);
  align-items: center;
  gap: 10px;
  font-size: 0.67rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 30px;
  height: 1px;
  background: var(--blue);
}

.hero-brand {
  display: flex;
  margin-bottom: 26px;
  align-items: center;
  gap: 15px;
}

.hero-brand strong {
  font-size: 1.35rem;
  line-height: 1;
}

.hero-brand span {
  color: #bac6dd;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-what-we-do {
  display: flex;
  margin-bottom: 0;
  flex-direction: column;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.hero-what-title {
  display: block;
  margin-bottom: 28px;
  font-size: clamp(3.55rem, 6.4vw, 6rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.07em;
}

.hero-what-title em {
  color: #a4b5df;
  font-family: "DM Serif Display", Georgia, serif;
  font-weight: 400;
}

.hero-what-line {
  position: relative;
  display: block;
  padding-left: 18px;
  color: #e6e9f1;
  font-size: clamp(1rem, 1.45vw, 1.18rem);
  line-height: 1.45;
}

.hero-what-line + .hero-what-line {
  margin-top: 10px;
}

.hero-what-line::before {
  position: absolute;
  top: 0.65em;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--blue);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 13px rgba(155, 180, 241, 0.7);
}

.hero-what-line strong {
  color: #fff;
  font-weight: 750;
}

.hero-description {
  max-width: 690px;
  margin: 32px 0 0;
  color: #c3cce0;
  font-size: 0.98rem;
  line-height: 1.85;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.hero-tags li {
  padding: 7px 11px;
  color: #aebfe8;
  border: 1px solid rgba(128, 151, 207, 0.26);
  background: rgba(8, 13, 25, 0.5);
  border-radius: 999px;
  font-size: 0.67rem;
  font-weight: 700;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  padding: 0 21px;
  border: 1px solid transparent;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  font-size: 0.71rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #07101f;
  background: linear-gradient(120deg, #879fdc, #dce5ff);
  box-shadow: 0 8px 28px rgba(113, 142, 218, 0.28);
}

.button-primary:hover {
  box-shadow: 0 12px 34px rgba(113, 142, 218, 0.42);
}

.button-contrast {
  color: var(--text);
  border-color: rgba(152, 175, 231, 0.34);
  background: rgba(11, 18, 34, 0.76);
}

.button-contrast:hover {
  border-color: rgba(255, 255, 255, 0.58);
  background: rgba(255, 255, 255, 0.1);
}

.button-telegram {
  color: #ffffff;
  border-color: rgba(126, 210, 255, 0.68);
  background:
    linear-gradient(120deg, rgba(42, 169, 232, 0.98), rgba(94, 191, 246, 0.92)),
    #229ed9;
  box-shadow:
    0 12px 34px rgba(34, 158, 217, 0.26),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.button-telegram:hover {
  border-color: rgba(204, 239, 255, 0.9);
  background:
    linear-gradient(120deg, rgba(48, 181, 245, 1), rgba(121, 211, 255, 0.98)),
    #2aabee;
  box-shadow:
    0 15px 40px rgba(34, 158, 217, 0.36),
    inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.button-large {
  min-height: 58px;
  padding-inline: 29px;
}

.hero .button-row {
  margin-top: 36px;
}

.signal-strip {
  position: relative;
  overflow: hidden;
  overflow: clip;
  max-width: 100vw;
  padding: 15px 0;
  color: #7c91c1;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #080d19;
  contain: paint;
}

.signal-track {
  display: flex;
  width: max-content;
  transform: translate3d(0, 0, 0);
  animation: conveyor 32s linear infinite;
  will-change: transform;
}

.signal-group {
  display: flex;
  flex-shrink: 0;
  padding-right: 28px;
  align-items: center;
  gap: 28px;
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.signal-group i {
  color: #a8bdf0;
  font-style: normal;
}

@keyframes conveyor {
  to {
    transform: translate3d(-33.3333333333%, 0, 0);
  }
}

.section-heading {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  margin-bottom: 72px;
  gap: 80px;
  align-items: end;
}

.section-heading-single {
  grid-template-columns: minmax(0, 1fr);
}

.section-heading.compact {
  margin-bottom: 52px;
}

.section-heading h2,
.contact-panel h2 {
  max-width: 900px;
  margin-bottom: 0;
  font-size: clamp(2.8rem, 5.2vw, 5rem);
  font-weight: 780;
  line-height: 1.02;
  letter-spacing: -0.06em;
}

.aligned-title {
  display: grid;
  max-width: none !important;
  gap: 0.08em;
}

.aligned-title-row {
  display: grid;
  grid-template-columns: 4.3ch minmax(0, 1fr);
  align-items: baseline;
  column-gap: 0.28em;
}

.aligned-title-label {
  color: var(--blue-strong);
  text-align: right;
}

.about-title {
  font-size: clamp(2.8rem, 4.65vw, 4.7rem) !important;
}

.about-section {
  background:
    radial-gradient(circle at 16% 42%, rgba(53, 73, 129, 0.12), transparent 38rem),
    var(--bg);
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 62px;
  align-items: center;
}

.about-visual {
  position: relative;
  min-height: 460px;
  margin-bottom: 0;
  overflow: hidden;
  border: 1px solid rgba(139, 161, 216, 0.24);
  background: var(--surface);
  border-radius: 18px;
}

.about-visual::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 58%, rgba(3, 7, 16, 0.42));
  pointer-events: none;
  content: "";
}

.about-visual img {
  width: 100%;
  height: 100%;
  min-height: 460px;
  object-fit: cover;
}

.large-copy {
  margin-bottom: 42px;
  color: #b7c2d7;
  font-size: clamp(1.06rem, 1.5vw, 1.28rem);
  line-height: 1.85;
}

.large-copy strong {
  color: #fff;
  font-weight: 600;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metric-grid article {
  padding: 25px 14px;
  border-right: 1px solid var(--line);
}

.metric-grid article:last-child {
  border: 0;
}

.metric-grid strong,
.metric-grid article > span {
  display: block;
}

.metric-grid strong {
  margin-bottom: 6px;
  color: var(--blue-strong);
  font-size: 1.6rem;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.metric-grid article > span {
  color: #8d9bb9;
  font-size: 0.69rem;
}

.slot-value {
  display: flex !important;
  height: 1em;
  align-items: flex-start;
  overflow: hidden;
}

.slot-window {
  display: inline-block;
  height: 1em;
  overflow: hidden;
}

.slot-reel {
  display: flex;
  flex-direction: column;
  transform: translate3d(0, 0, 0);
  filter: blur(1.8px);
  will-change: transform;
}

.slot-reel > span,
.slot-static {
  display: block;
  height: 1em;
  line-height: 1;
}

.slot-value.is-running .slot-reel {
  animation: slot-reel-spin var(--slot-duration, 2.2s)
    cubic-bezier(0.14, 0.78, 0.22, 1) var(--slot-delay, 0ms) both;
}

@keyframes slot-reel-spin {
  0%,
  10% {
    transform: translate3d(0, 0, 0);
    filter: blur(1.8px);
  }

  76% {
    transform: translate3d(0, var(--slot-overshoot-y), 0);
    filter: blur(1px);
  }

  88% {
    transform: translate3d(0, var(--slot-rebound-y), 0);
    filter: blur(0.35px);
  }

  100% {
    transform: translate3d(0, var(--slot-stop-y), 0);
    filter: blur(0);
  }
}

.values-section {
  background:
    radial-gradient(circle at 50% -20%, rgba(71, 92, 153, 0.17), transparent 45rem),
    #0a101e;
}

.section-kicker {
  display: flex;
  margin-bottom: 44px;
  align-items: center;
  justify-content: space-between;
}

.section-kicker .eyebrow,
.section-kicker > p {
  margin: 0;
}

.section-kicker > p {
  color: var(--muted);
  font-size: 0.88rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.value-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(11, 18, 33, 0.88);
  border-radius: 16px;
  transform: translateZ(0);
  transition:
    border-color 220ms ease,
    background 220ms ease,
    transform 240ms ease,
    box-shadow 240ms ease;
}

.value-card:hover {
  z-index: 2;
  border-color: rgba(255, 255, 255, 0.26);
  background: #0e172a;
  box-shadow: 0 22px 50px rgba(1, 5, 15, 0.48);
  transform: translateY(-8px) scale(1.035);
}

.value-media {
  position: relative;
  height: 230px;
  overflow: hidden;
}

.value-media::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 11, 21, 0.05), rgba(7, 11, 21, 0.62));
  content: "";
}

.value-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 14%;
  transition: transform 400ms ease;
}

.value-card:nth-child(3) .value-media img,
.value-card:nth-child(4) .value-media img {
  object-position: center top;
}

.value-card:hover .value-media img {
  transform: scale(1.025);
}

.value-content {
  min-height: 164px;
  padding: 25px;
}

.value-card h3 {
  margin-bottom: 12px;
  font-size: 1.08rem;
}

.value-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.75;
}

.values-caption {
  width: max-content;
  max-width: 100%;
  margin: 40px auto 0;
  padding: 12px 20px;
  color: #bcc9e8;
  border: 1px solid var(--line);
  background: rgba(9, 15, 28, 0.72);
  border-radius: 999px;
  font-family: "DM Serif Display", Georgia, serif;
  font-size: 1rem;
  font-style: italic;
  letter-spacing: 0.03em;
  text-align: center;
}

.activities-section {
  min-height: 880px;
  overflow: hidden;
  isolation: isolate;
}

.activities-backdrop,
.partners-backdrop,
.history-backdrop {
  position: absolute;
  z-index: -2;
  inset: 0;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.activities-backdrop {
  background-image: url("./assets/activities/activities-bg.png");
}

.activities-section::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 9, 18, 0.72), rgba(5, 9, 18, 0.42) 52%, rgba(5, 9, 18, 0.65)),
    linear-gradient(180deg, rgba(7, 11, 21, 0.5), rgba(7, 11, 21, 0.36));
  content: "";
}

.activities-content {
  position: relative;
  z-index: 1;
}

.activities-title {
  max-width: none !important;
  font-size: clamp(2.6rem, 4.15vw, 4.15rem) !important;
  white-space: nowrap;
}

.activities-title em {
  color: var(--blue-strong);
  font-style: normal;
}

.activity-list {
  max-width: 960px;
  margin-left: auto;
  border-top: 1px solid rgba(188, 204, 242, 0.22);
  background: rgba(6, 11, 21, 0.3);
  backdrop-filter: blur(4px);
}

.activity-item {
  display: grid;
  grid-template-columns: 62px minmax(220px, 1fr) minmax(260px, 1fr);
  min-height: 92px;
  padding: 20px 18px;
  border-bottom: 1px solid rgba(188, 204, 242, 0.2);
  align-items: center;
  gap: 18px;
  transition: background 160ms ease;
}

.activity-item:hover {
  background: rgba(255, 255, 255, 0.035);
}

.activity-item span {
  color: var(--blue);
  font-size: 0.66rem;
}

.activity-item h3,
.activity-item p {
  margin: 0;
}

.activity-item h3 {
  font-size: clamp(1rem, 1.55vw, 1.25rem);
}

.activity-item p {
  color: #b9c5dd;
  font-size: 0.84rem;
}

.programs-section {
  background:
    radial-gradient(circle at 80% 10%, rgba(54, 70, 132, 0.12), transparent 38rem),
    #090f1d;
}

.program-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.program-card {
  position: relative;
  min-height: 410px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 16px;
  isolation: isolate;
  cursor: zoom-in;
  transform: translateZ(0);
  transition:
    border-color 220ms ease,
    transform 240ms ease,
    box-shadow 240ms ease;
}

.program-card:hover,
.program-card:focus-visible {
  z-index: 2;
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 24px 54px rgba(1, 5, 15, 0.52);
  outline: none;
  transform: translateY(-7px) scale(1.025);
}

.program-card > img,
.program-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.program-card > img {
  z-index: -2;
  object-fit: cover;
  transition: transform 500ms ease;
}

.program-card:hover > img {
  transform: scale(1.025);
}

.program-overlay {
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(6, 10, 19, 0.08) 10%, rgba(6, 10, 19, 0.54) 54%, rgba(6, 10, 19, 0.98) 100%),
    linear-gradient(90deg, rgba(6, 10, 19, 0.18), transparent);
}

.program-content {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 28px;
}

.program-tag {
  display: block;
  margin-bottom: 13px;
  color: var(--blue-strong);
  font-size: 0.61rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.program-card h3 {
  margin-bottom: 10px;
  font-size: 1.22rem;
}

.program-card p {
  margin-bottom: 0;
  color: #bec9df;
  font-size: 0.82rem;
  line-height: 1.72;
}

.program-dialog {
  width: min(calc(100% - 48px), 1040px);
  max-width: none;
  padding: 0;
  overflow: hidden;
  color: var(--text);
  border: 1px solid rgba(164, 185, 236, 0.32);
  background: #0a1120;
  border-radius: 20px;
  box-shadow: 0 35px 100px rgba(0, 0, 0, 0.72);
}

.program-dialog::backdrop {
  background: rgba(2, 5, 12, 0.82);
  backdrop-filter: blur(9px);
}

.program-dialog-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  min-height: 590px;
}

.program-dialog-image {
  width: 100%;
  height: 100%;
  min-height: 590px;
  object-fit: cover;
}

.program-dialog-copy {
  display: flex;
  padding: 72px 54px 52px;
  flex-direction: column;
  justify-content: flex-end;
}

.program-dialog-copy h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.03;
  letter-spacing: -0.05em;
}

.program-dialog-copy p {
  margin-bottom: 0;
  color: #c3cee3;
  line-height: 1.85;
}

.program-dialog-close {
  position: absolute;
  z-index: 2;
  top: 18px;
  right: 18px;
  display: grid;
  width: 44px;
  height: 44px;
  padding: 0 0 4px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(5, 9, 18, 0.76);
  border-radius: 50%;
  cursor: pointer;
  place-items: center;
  font-size: 1.65rem;
  line-height: 1;
}

body.modal-open {
  overflow: hidden;
}

.partners-section {
  background:
    radial-gradient(circle at 15% 48%, rgba(65, 83, 143, 0.14), transparent 38rem),
    var(--bg);
}

.partners-title {
  font-size: clamp(2.8rem, 4.65vw, 4.7rem) !important;
}

.partners-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: 62px;
  align-items: center;
}

.partners-visual {
  position: relative;
  min-height: 460px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(139, 161, 216, 0.24);
  background: var(--surface);
  border-radius: 18px;
  cursor: zoom-in;
  transition:
    transform 260ms ease,
    border-color 260ms ease,
    box-shadow 260ms ease;
}

.partners-visual img {
  width: 100%;
  height: 100%;
  min-height: 460px;
  object-fit: cover;
  transition:
    transform 420ms cubic-bezier(0.2, 0.72, 0.2, 1),
    filter 260ms ease;
}

.partners-visual.reveal:hover,
.partners-visual.reveal:focus-visible {
  z-index: 1;
  border-color: rgba(164, 185, 236, 0.64);
  outline: none;
  box-shadow:
    0 22px 58px rgba(0, 0, 0, 0.45),
    0 0 36px rgba(112, 92, 255, 0.2);
  transform: translateY(-6px) scale(1.018);
}

.partners-visual.reveal:hover img,
.partners-visual.reveal:focus-visible img {
  filter: brightness(1.08) saturate(1.08);
  transform: scale(1.025);
}

.asset-dialog {
  width: min(calc(100% - 48px), 1180px);
  max-width: none;
  max-height: calc(100svh - 48px);
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(164, 185, 236, 0.36);
  background: #03060d;
  border-radius: 20px;
  box-shadow: 0 35px 110px rgba(0, 0, 0, 0.78);
}

.asset-dialog::backdrop {
  background: rgba(2, 5, 12, 0.86);
  backdrop-filter: blur(10px);
}

.asset-dialog > img {
  display: block;
  width: 100%;
  max-height: calc(100svh - 48px);
  object-fit: contain;
}

.asset-dialog-close {
  position: absolute;
  z-index: 2;
  top: 18px;
  right: 18px;
  display: grid;
  width: 44px;
  height: 44px;
  padding: 0 0 4px;
  color: #f7f9ff;
  border: 1px solid rgba(184, 199, 238, 0.42);
  background: rgba(6, 10, 22, 0.76);
  border-radius: 50%;
  cursor: pointer;
  place-items: center;
  font-size: 1.7rem;
  line-height: 1;
  transition:
    background 180ms ease,
    transform 180ms ease;
  backdrop-filter: blur(8px);
}

.asset-dialog-close:hover,
.asset-dialog-close:focus-visible {
  background: rgba(112, 92, 255, 0.82);
  outline: none;
  transform: scale(1.08);
}

.partners-lead {
  max-width: 520px;
  margin-bottom: 30px;
  color: #c1cbe0;
  font-size: clamp(1rem, 1.25vw, 1.12rem);
  line-height: 1.82;
  letter-spacing: -0.025em;
}

.partner-capabilities {
  max-width: 520px;
  margin: 0 0 36px;
  padding: 0;
  border-top: 1px solid rgba(145, 169, 225, 0.2);
  list-style: none;
}

.partner-capabilities li {
  display: flex;
  min-height: 52px;
  padding: 14px 2px;
  border-bottom: 1px solid rgba(145, 169, 225, 0.16);
  align-items: center;
  color: #eef3ff;
  font-size: 0.84rem;
  font-weight: 720;
  letter-spacing: -0.015em;
}

.partner-capabilities li::before {
  width: 6px;
  height: 6px;
  margin-right: 14px;
  background: #94abed;
  border-radius: 50%;
  box-shadow: 0 0 14px rgba(131, 158, 232, 0.58);
  content: "";
}

.history-section {
  min-height: 950px;
  overflow: hidden;
  isolation: isolate;
}

.history-backdrop {
  background-image: url("./assets/history/history.png");
}

.history-section::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 11, 22, 0.94), rgba(7, 11, 22, 0.76) 58%, rgba(7, 11, 22, 0.45)),
    linear-gradient(180deg, rgba(7, 11, 22, 0.3), rgba(7, 11, 22, 0.86));
  content: "";
}

.history-content {
  position: relative;
  z-index: 1;
}

.timeline {
  position: relative;
  max-width: 780px;
  margin: 74px 0 0;
}

.timeline::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 132px;
  width: 1px;
  background: rgba(168, 188, 233, 0.28);
  content: "";
}

.timeline-item {
  display: grid;
  grid-template-columns: 102px 20px minmax(0, 1fr);
  min-height: 122px;
  gap: 20px;
}

.timeline-item time {
  color: var(--blue);
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-align: right;
}

.timeline-item > span {
  z-index: 1;
  width: 9px;
  height: 9px;
  margin: 7px auto 0;
  border: 2px solid #91a9e5;
  background: #0a1020;
  border-radius: 50%;
  box-shadow: 0 0 14px rgba(111, 143, 220, 0.45);
}

.timeline-item h3 {
  margin-bottom: 6px;
  font-size: 1.18rem;
}

.timeline-item p {
  margin-bottom: 0;
  color: #bcc7dc;
  font-size: 0.89rem;
}

.contact-section {
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 0%, rgba(70, 91, 161, 0.17), transparent 35rem),
    var(--bg);
}

.contact-panel {
  position: relative;
  padding: 92px max(28px, 7vw) 74px;
  overflow: hidden;
  border: 1px solid rgba(132, 158, 220, 0.27);
  background:
    radial-gradient(circle at 50% 0%, rgba(77, 103, 182, 0.35), transparent 22rem),
    linear-gradient(135deg, #121b30, #0e1627);
  border-radius: 22px;
  text-align: center;
}

.contact-panel::before {
  position: absolute;
  inset: 17px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  pointer-events: none;
  content: "";
}

.contact-panel .eyebrow {
  justify-content: center;
}

.contact-panel h2 {
  margin-inline: auto;
}

.contact-panel h2 em {
  color: #aebee8;
  font-family: "DM Serif Display", Georgia, serif;
  font-weight: 400;
}

.contact-panel > p:not(.eyebrow) {
  max-width: 720px;
  margin: 30px auto 0;
  color: #b8c4da;
  font-size: 0.96rem;
  line-height: 1.85;
}

.contact-panel .button-row {
  justify-content: center;
}

.platform-symbols {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.platform-icon {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  fill: currentColor;
}

.contact-actions {
  position: relative;
  z-index: 1;
}

.contact-actions .button {
  min-width: 196px;
  min-height: 48px;
  padding-inline: 22px;
}

.contact-actions .platform-icon {
  width: 18px;
  height: 18px;
}

.channel-directory {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 54px;
  padding-top: 36px;
  border-top: 1px solid rgba(157, 178, 230, 0.2);
  align-items: start;
  gap: 24px;
  text-align: left;
}

.channel-group {
  display: grid;
  gap: 14px;
}

.channel-heading {
  display: block;
}

.channel-heading > span {
  color: #f6f8ff;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 9px;
}

.channel-grid-community {
  grid-template-columns: 1fr;
}

.channel-link {
  display: grid;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid rgba(145, 169, 225, 0.18);
  background: rgba(7, 13, 27, 0.62);
  border-radius: 11px;
  grid-template-columns: 20px minmax(0, 1fr) 16px;
  align-items: center;
  gap: 10px;
  transition:
    transform 190ms ease,
    border-color 190ms ease,
    background 190ms ease,
    box-shadow 190ms ease;
}

.channel-link:hover,
.channel-link:focus-visible {
  border-color: rgba(165, 187, 241, 0.48);
  background: rgba(22, 34, 61, 0.84);
  outline: none;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.22);
  transform: translateY(-2px);
}

.channel-link .platform-icon {
  width: 18px;
  height: 18px;
}

.channel-link > span {
  display: grid;
  min-width: 0;
}

.channel-link strong {
  overflow: hidden;
  color: #f3f6ff;
  font-size: 0.72rem;
  letter-spacing: 0.01em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.channel-link > i {
  color: #7789b1;
  font-size: 0.75rem;
  font-style: normal;
  transition: color 190ms ease, transform 190ms ease;
}

.channel-link:hover > i,
.channel-link:focus-visible > i {
  color: #d9e2ff;
  transform: translate(2px, -2px);
}

.channel-link[href*="t.me"] .platform-icon {
  color: #71bdf2;
}

.channel-link[href*="twitter"] .platform-icon {
  color: #f4f6ff;
}

.channel-link[href*="youtube"] .platform-icon {
  color: #ff6c76;
}

.channel-link[href*="naver"] .platform-icon {
  color: #44d67b;
}

.channel-link[href*="play.google"] .platform-icon {
  color: #8ed5ff;
}

.channel-link[href*="discord"] .platform-icon {
  color: #8996ff;
}

.channel-link[href*="open.kakao"] .platform-icon {
  color: #ffe86b;
}

.admin-email {
  position: relative;
  z-index: 1;
  display: flex;
  margin: 32px auto 0;
  padding: 17px 20px;
  border: 1px solid rgba(164, 185, 236, 0.28);
  background: rgba(8, 14, 28, 0.64);
  border-radius: 14px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: #eaf0ff;
  letter-spacing: -0.02em;
}

.admin-email span {
  color: var(--blue-strong);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.admin-email a {
  font-size: clamp(0.98rem, 1.7vw, 1.35rem);
  font-weight: 760;
}

.admin-email a:hover,
.admin-email a:focus-visible {
  color: #fff;
  outline: none;
}

.site-footer {
  padding: 76px 0 28px;
  border-top: 1px solid var(--line);
  background: #070c17;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, minmax(0, 1fr));
  gap: 58px;
}

.footer-brand p {
  max-width: 360px;
  margin: 22px 0 0;
  color: #8997b4;
  font-size: 0.82rem;
}

.footer-column {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 11px;
}

.footer-column h2 {
  margin-bottom: 7px;
  color: #dbe1ef;
  font-size: 0.69rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.footer-column a {
  color: #8f9db9;
  font-size: 0.79rem;
  transition: color 160ms ease;
}

.footer-column a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  align-items: center;
  justify-content: space-between;
  color: #68748d;
  font-size: 0.69rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 650ms ease, transform 650ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .slot-value.is-running .slot-reel {
    animation: none;
    transform: translate3d(0, var(--slot-stop-y), 0);
    filter: blur(0);
  }
}

@media (max-width: 980px) {
  .hero {
    min-height: 850px;
  }

  .primary-nav {
    position: fixed;
    inset: var(--header-height) 0 auto;
    display: flex;
    visibility: hidden;
    height: calc(100svh - var(--header-height));
    padding: 50px 24px;
    background: rgba(8, 13, 25, 0.98);
    flex-direction: column;
    align-items: flex-start;
    opacity: 0;
    transform: translateY(-12px);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  }

  .primary-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .primary-nav a {
    font-size: 1.45rem;
  }

  .primary-nav a.active::after {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(3px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-4px) rotate(-45deg);
  }

  .about-layout,
  .partners-layout {
    grid-template-columns: 1fr;
  }

  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .program-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .activity-item {
    grid-template-columns: 48px minmax(190px, 0.9fr) minmax(220px, 1.1fr);
  }

  .footer-grid {
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 30px;
  }
}

@media (max-width: 720px) {
  :root {
    --header-height: 68px;
  }

  body {
    font-size: 16px;
  }

  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .section {
    padding: 96px 0;
  }

  .hero {
    min-height: max(820px, 100svh);
    padding-top: calc(var(--header-height) + 54px);
    padding-bottom: 65px;
  }

  .hero-video {
    object-position: 62% center;
  }

  .hero-overlay {
    background:
      linear-gradient(
        90deg,
        rgba(4, 8, 18, 0.95) 0%,
        rgba(4, 8, 18, 0.82) 65%,
        rgba(4, 8, 18, 0.52) 100%
      ),
      linear-gradient(
        180deg,
        rgba(5, 9, 18, 0.32) 0%,
        rgba(5, 9, 18, 0.18) 38%,
        rgba(5, 9, 18, 0.88) 100%
      );
  }

  .hero-brand {
    align-items: flex-start;
    flex-direction: column;
    gap: 9px;
  }

  .hero-what-title {
    margin-bottom: 24px;
    font-size: clamp(3rem, 15vw, 4rem);
  }

  .hero-what-line {
    padding-left: 17px;
    font-size: clamp(0.94rem, 4.3vw, 1.08rem);
  }

  .hero-description br {
    display: none;
  }

  .hero-tags {
    margin-top: 25px;
  }

  .hero .button-row {
    align-items: stretch;
    flex-direction: column;
  }

  .hero .button {
    width: 100%;
  }

  .section-heading {
    margin-bottom: 48px;
  }

  .section-heading h2,
  .contact-panel h2 {
    font-size: clamp(2.5rem, 12vw, 3.65rem);
  }

  .aligned-title-row {
    grid-template-columns: 4ch minmax(0, 1fr);
    column-gap: 0.22em;
  }

  .about-visual,
  .about-visual img {
    min-height: 340px;
  }

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

  .metric-grid article {
    padding: 18px 4px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric-grid article:last-child {
    border-bottom: 0;
  }

  .card-grid,
  .program-grid {
    grid-template-columns: 1fr;
  }

  .value-media {
    height: 300px;
  }

  .value-content {
    min-height: 0;
  }

  .activities-section {
    min-height: 0;
  }

  .activities-backdrop {
    background-position: 60% center;
  }

  .activities-title {
    font-size: clamp(2.35rem, 10.5vw, 3.3rem) !important;
    white-space: normal;
  }

  .activity-list {
    margin-left: 0;
  }

  .activity-item {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 10px;
  }

  .activity-item p {
    grid-column: 2 / -1;
    font-size: 0.8rem;
  }

  .program-card {
    min-height: 430px;
  }

  .program-content {
    padding: 24px;
  }

  .program-dialog {
    width: min(calc(100% - 28px), 620px);
  }

  .program-dialog-grid {
    grid-template-columns: 1fr;
    max-height: calc(100svh - 36px);
    overflow-y: auto;
  }

  .program-dialog-image {
    min-height: 330px;
    max-height: 46svh;
  }

  .program-dialog-copy {
    padding: 34px 25px 30px;
  }

  .partners-visual,
  .partners-visual img {
    min-height: 340px;
  }

  .asset-dialog {
    width: min(calc(100% - 24px), 720px);
    max-height: calc(100svh - 24px);
  }

  .asset-dialog > img {
    max-height: calc(100svh - 24px);
  }

  .partners-lead {
    margin-bottom: 25px;
  }

  .partner-capabilities {
    max-width: none;
    margin-bottom: 30px;
  }

  .history-section {
    min-height: 0;
  }

  .history-backdrop {
    background-position: 58% center;
  }

  .section-kicker {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .timeline {
    margin-top: 54px;
  }

  .timeline::before {
    left: 69px;
  }

  .timeline-item {
    grid-template-columns: 45px 18px minmax(0, 1fr);
    min-height: 130px;
    gap: 14px;
  }

  .contact-panel {
    padding: 72px 23px;
  }

  .contact-panel::before {
    inset: 9px;
  }

  .contact-panel > p:not(.eyebrow) br {
    display: none;
  }

  .contact-panel .button-row {
    align-items: stretch;
    flex-direction: column;
  }

  .contact-panel .button {
    width: 100%;
  }

  .contact-actions .button {
    min-width: 0;
  }

  .channel-directory {
    grid-template-columns: 1fr;
    margin-top: 52px;
    padding-top: 32px;
    gap: 30px;
  }

  .channel-heading {
    display: block;
  }

  .channel-grid,
  .channel-grid-community {
    grid-template-columns: 1fr;
  }

  .admin-email {
    flex-direction: column;
    padding: 16px 14px;
    gap: 6px;
    text-align: center;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 45px 24px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 430px) {
  .hero {
    min-height: 860px;
  }

  .hero-copy {
    max-width: 100%;
  }

  .hero-what-line {
    font-size: 0.9rem;
  }

  .value-media {
    height: 250px;
  }

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

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }
}
