@font-face {
  font-family: "Pretendard";
  src: url("assets/fonts/PretendardVariable.ttf") format("truetype");
  font-weight: 45 920;
  font-style: normal;
  font-display: swap;
}

:root {
  --navy: #0c1a3a;
  --navy-soft: #172853;
  --blue: #2453d4;
  --blue-bright: #3a79f7;
  --violet: #6153a6;
  --orange: #ff7a32;
  --ice: #f2f6fc;
  --paper: #fbfcff;
  --white: #ffffff;
  --ink: #11182c;
  --muted: #5d6882;
  --line: #d9e1ee;
  --green: #0d9673;
  --shadow: 0 24px 70px rgba(12, 26, 58, 0.16);
  --max: 1180px;
  --display: "Pretendard", "Malgun Gothic", sans-serif;
  --body: "Pretendard", "Malgun Gothic", system-ui, sans-serif;
  --utility: "Pretendard", "Malgun Gothic", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
  overflow-x: clip;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
  word-break: keep-all;
  overflow-x: clip;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

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

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  background: var(--white);
  color: var(--navy);
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

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

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

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: 76px;
  border-bottom: 1px solid rgba(217, 225, 238, 0.78);
  background: rgba(251, 252, 255, 0.9);
  backdrop-filter: blur(16px);
}

.header-inner {
  width: min(calc(100% - 48px), 1280px);
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  width: 240px;
  height: 62px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.brand img {
  width: 220px;
  height: 56px;
  object-fit: contain;
  object-position: left center;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #25314e;
  font-size: 13px;
  font-weight: 700;
}

.primary-nav > a:not(.nav-cta) {
  position: relative;
  padding-block: 8px;
}

.primary-nav > a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.24s ease;
}

.primary-nav > a:hover::after,
.primary-nav > a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  padding: 10px 18px;
  border: 1px solid var(--navy);
  background: var(--navy);
  color: var(--white);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 6px auto;
  background: var(--navy);
  transition: transform 0.2s ease;
}

.hero {
  position: relative;
  min-height: 700px;
  overflow: hidden;
  background:
    radial-gradient(circle at 92% 4%, rgba(97, 83, 166, 0.17), transparent 26%),
    linear-gradient(118deg, #f9fbff 0%, #edf3fe 64%, #e3ebfb 100%);
}

.hero::after {
  content: "CAREER / WORK";
  position: absolute;
  right: -32px;
  bottom: -48px;
  color: rgba(36, 83, 212, 0.055);
  font-family: var(--utility);
  font-size: clamp(78px, 13vw, 200px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.08em;
  white-space: nowrap;
}

.hero-grid,
.solution-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(36, 83, 212, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 83, 212, 0.07) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, transparent 0%, black 50%, transparent 100%);
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  justify-items: center;
  align-items: center;
  min-height: 624px;
  padding-block: 88px 70px;
}

.hero-copy {
  width: 100%;
  max-width: 1040px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.eyebrow,
.section-kicker,
.proof-title,
.card-code,
.route-label,
.module-intro > p,
.credential-block > p,
.book-block > p {
  font-family: var(--utility);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 26px;
  color: var(--blue);
}

.eyebrow span {
  width: 38px;
  height: 3px;
  background: var(--orange);
}

.hero h1,
.lab-intro h2,
.section-heading h2,
.about h2,
.activities h2,
.contact h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.065em;
  line-height: 1.12;
}

.hero h1 {
  max-width: 900px;
  font-size: clamp(45px, 5.05vw, 69px);
}

.hero h1 em {
  color: var(--blue);
  font-style: normal;
}

.hero-description {
  max-width: 760px;
  margin: 30px 0 34px;
  color: #47546f;
  font-size: 18px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.button {
  min-height: 52px;
  padding: 13px 22px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.button-primary {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 12px 24px rgba(36, 83, 212, 0.2);
}

.button-primary:hover {
  background: #173fb7;
}

.button-ghost {
  border-color: #9ba8c1;
  background: rgba(255, 255, 255, 0.45);
  color: var(--navy);
}

.button-light {
  background: var(--white);
  color: var(--navy);
}

.hero-facts {
  width: 100%;
  margin: 52px 0 0;
  padding: 28px 0 0;
  border-top: 1px solid #bdc9db;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
}

.hero-facts li {
  min-width: 0;
  padding: 0 22px;
  display: grid;
  gap: 6px;
  justify-items: center;
  text-align: center;
}

.hero-facts li + li {
  border-left: 1px solid #cbd4e3;
}

.hero-facts strong {
  color: var(--navy);
  font-size: 20px;
}

.hero-facts span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.hero-visual {
  position: relative;
  min-height: 568px;
}

.portrait-frame {
  position: absolute;
  inset: 24px 0 0 32px;
  overflow: hidden;
  border: 1px solid rgba(12, 26, 58, 0.16);
  background: #e7e5df;
  box-shadow: var(--shadow);
  clip-path: polygon(0 0, 88% 0, 100% 11%, 100% 100%, 0 100%);
}

.portrait-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 62%, rgba(12, 26, 58, 0.42));
  pointer-events: none;
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 26%;
}

.portrait-label {
  position: absolute;
  z-index: 2;
  top: 16px;
  left: 18px;
  padding: 7px 10px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--navy);
  font-family: var(--utility);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.route-card {
  position: absolute;
  z-index: 4;
  right: -24px;
  bottom: 18px;
  width: min(420px, 92%);
  padding: 20px 22px;
  border-left: 5px solid var(--orange);
  background: var(--navy);
  color: var(--white);
  box-shadow: 0 18px 45px rgba(12, 26, 58, 0.34);
}

.route-label {
  color: #9fb8ff;
}

.route-flow {
  margin-top: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
}

.route-flow i {
  position: relative;
  height: 1px;
  flex: 1;
  background: #8195c7;
}

.route-flow i::after {
  content: "";
  position: absolute;
  top: -3px;
  right: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
}

.hero-stamp {
  position: absolute;
  z-index: 3;
  top: 0;
  right: -10px;
  width: 120px;
  height: 120px;
  border: 1px solid rgba(36, 83, 212, 0.35);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--blue);
  font-family: var(--utility);
  font-size: 12px;
  font-weight: 900;
  line-height: 1.3;
  text-align: center;
  transform: rotate(8deg);
}

.proof-band {
  position: relative;
  z-index: 3;
  background: var(--navy);
  color: var(--white);
}

.proof-layout {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 34px;
  align-items: stretch;
}

.proof-title {
  margin: 0;
  padding: 28px 26px 28px 0;
  border-right: 1px solid #38476d;
  color: #91b2ff;
}

.proof-layout ul {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  list-style: none;
}

.proof-layout li {
  padding: 20px 24px;
  border-right: 1px solid #28395f;
  border-bottom: 1px solid #28395f;
  display: flex;
  align-items: center;
  color: #dbe5ff;
  font-size: 13px;
}

.proof-layout b {
  margin-right: 8px;
  color: var(--orange);
  font-family: var(--utility);
}

.lab-intro {
  padding-block: 120px;
  background: var(--white);
}

.lab-intro-heading {
  margin-bottom: 64px;
  display: grid;
  grid-template-columns: minmax(0, 1.14fr) minmax(360px, 0.86fr);
  grid-template-areas:
    "kicker kicker"
    "title summary";
  column-gap: clamp(72px, 9vw, 144px);
  row-gap: clamp(38px, 4.5vw, 66px);
  align-items: center;
}

.lab-intro-heading .section-kicker {
  grid-area: kicker;
  margin: 0;
}

.lab-intro-heading h2 {
  grid-area: title;
  max-width: 760px;
  margin: 0;
  font-size: clamp(52px, 5.7vw, 82px);
  line-height: 1.08;
  letter-spacing: -0.065em;
}

.lab-intro-heading > .lab-intro-summary {
  grid-area: summary;
  margin: 0;
  color: var(--muted);
  font-size: clamp(17px, 1.45vw, 20px);
  line-height: 1.95;
  word-break: keep-all;
}

.lab-facts {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.lab-facts > div {
  position: relative;
  min-width: 0;
  min-height: 220px;
  overflow: hidden;
  padding: 34px 22px 30px;
  border: 1px solid #dce2eb;
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 12px 28px rgba(12, 26, 58, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.lab-facts dt {
  margin-bottom: 20px;
  color: #747e93;
  font-size: 14px;
  font-weight: 750;
}

.lab-facts dd {
  margin: 0;
  display: grid;
  gap: 7px;
}

.lab-facts strong {
  color: var(--navy);
  font-size: clamp(19px, 1.7vw, 24px);
  font-weight: 850;
  line-height: 1.4;
  letter-spacing: -0.035em;
}

.lab-facts small {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.lab-subsection {
  margin-top: 108px;
  padding-top: 86px;
  border-top: 1px solid var(--line);
}

.lab-subsection-heading {
  margin-bottom: 42px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  grid-template-areas:
    "kicker kicker"
    "title summary";
  column-gap: clamp(72px, 9vw, 144px);
  row-gap: clamp(30px, 3.4vw, 48px);
  align-items: center;
}

.lab-subsection-heading .section-kicker {
  grid-area: kicker;
  margin: 0;
}

.lab-subsection-heading h3 {
  grid-area: title;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(38px, 4.4vw, 60px);
  font-weight: 850;
  letter-spacing: -0.065em;
  line-height: 1.08;
}

.lab-subsection-heading > p:last-child {
  grid-area: summary;
  margin: 0;
  color: var(--muted);
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.85;
  word-break: keep-all;
}

.vision-mission-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.vision-mission-grid article {
  position: relative;
  min-height: 350px;
  overflow: hidden;
  padding: 42px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.vision-mission-grid article::after {
  content: "";
  position: absolute;
  width: 240px;
  height: 240px;
  top: -112px;
  right: -76px;
  border: 38px solid currentColor;
  border-radius: 50%;
  opacity: 0.08;
}

.vision-card {
  background: var(--navy);
  color: var(--white);
}

.mission-card {
  border: 1px solid #cfdaec;
  background: linear-gradient(145deg, #edf4ff, #eeeafa);
  color: var(--navy);
}

.vision-mission-grid article > span,
.value-grid article > span,
.business-grid > a > span,
.distinction-grid article > span {
  font-family: var(--utility);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.14em;
}

.vision-card > span {
  color: #9db8ff;
}

.mission-card > span {
  color: var(--blue);
}

.vision-mission-grid h4 {
  margin: 17px 0 18px;
  font-size: clamp(27px, 2.7vw, 39px);
  line-height: 1.3;
  letter-spacing: -0.05em;
}

.vision-mission-grid p {
  max-width: 510px;
  margin: 0;
  color: inherit;
  font-size: 16px;
  line-height: 1.75;
  opacity: 0.78;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.value-grid article {
  min-height: 238px;
  padding: 30px 25px;
  background: var(--ice);
}

.value-grid article > span {
  color: var(--blue);
}

.value-grid h4 {
  margin: 45px 0 13px;
  font-size: 22px;
  letter-spacing: -0.035em;
}

.value-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.business-grid > a {
  min-height: 390px;
  padding: 40px;
  border: 1px solid #d4ddea;
  background: var(--white);
  display: flex;
  flex-direction: column;
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.business-grid > a:nth-child(2) {
  border-color: var(--navy);
  background: var(--navy);
  color: var(--white);
}

.business-grid > a:hover,
.business-grid > a:focus-visible {
  border-color: var(--blue);
  box-shadow: 0 20px 40px rgba(12, 26, 58, 0.14);
  transform: translateY(-5px);
}

.business-grid > a > span {
  color: var(--blue);
}

.business-grid > a:nth-child(2) > span {
  color: #9fb8ff;
}

.business-grid h4 {
  margin: 24px 0 16px;
  font-size: clamp(28px, 3vw, 40px);
  letter-spacing: -0.05em;
}

.business-grid p {
  max-width: 470px;
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.business-grid > a:nth-child(2) p {
  color: #c6d2ed;
}

.business-grid ul {
  margin: 26px 0 34px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}

.business-grid li {
  padding: 6px 10px;
  border: 1px solid #cbd6e7;
  color: #46536c;
  font-size: 12px;
}

.business-grid > a:nth-child(2) li {
  border-color: #40537f;
  color: #cbd7f1;
}

.business-grid b {
  margin-top: auto;
  color: var(--blue);
  font-size: 14px;
}

.business-grid > a:nth-child(2) b {
  color: var(--white);
}

.business-grid i {
  display: inline-block;
  margin-left: 4px;
  font-style: normal;
  transition: transform 0.2s ease;
}

.business-grid > a:hover i {
  transform: translate(3px, -3px);
}

.distinction-grid {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.distinction-grid article {
  min-height: 310px;
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  border: 1px solid #d7e0ee;
  background: var(--white);
}

.distinction-grid article:last-child {
  border-color: var(--navy);
  background: var(--navy);
  color: var(--white);
}

.distinction-grid article > span {
  color: var(--blue);
}

.distinction-grid article:last-child > span {
  color: #9fb8ff;
}

.distinction-grid h4 {
  margin: 38px 0 15px;
  font-size: 22px;
  line-height: 1.42;
  letter-spacing: -0.035em;
}

.distinction-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.distinction-grid article:last-child p {
  color: #c6d2ed;
}

.distinction-cta {
  margin-top: 22px;
  padding: 26px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: #e8effa;
}

.distinction-cta p {
  max-width: 720px;
  margin: 0;
  color: #43506a;
  font-size: 15px;
  line-height: 1.75;
}

.distinction-cta a {
  flex: 0 0 auto;
  padding: 15px 19px;
  background: var(--navy);
  color: var(--white);
  font-size: 14px;
  font-weight: 800;
  transition: background 0.2s ease, transform 0.2s ease;
}

.distinction-cta a:hover,
.distinction-cta a:focus-visible {
  background: var(--blue);
  transform: translateY(-2px);
}

.distinction-cta a span {
  display: inline-block;
  margin-left: 6px;
}

.section {
  padding-block: 126px;
}

.section-heading {
  display: grid;
  grid-template-columns: 1.05fr 0.72fr;
  gap: 80px;
  align-items: end;
  margin-bottom: 58px;
}

.section-kicker {
  margin: 0 0 14px;
  color: var(--blue);
}

.section-heading h2,
.lab-intro h2,
.about h2,
.activities h2,
.contact h2 {
  font-size: clamp(38px, 4.4vw, 60px);
}

.section-heading > p,
.activities-heading > p,
.contact-copy > p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.programs {
  background: var(--paper);
}

.program-switcher {
  border-top: 1px solid var(--navy);
}

.tab-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.tab-list button {
  position: relative;
  min-height: 112px;
  padding: 22px 28px 20px 76px;
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 22px;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
}

.tab-list button:first-child {
  border-left: 1px solid var(--line);
}

.tab-list button > span {
  position: absolute;
  top: 25px;
  left: 26px;
  color: #8e9bb7;
  font-family: var(--utility);
  font-size: 13px;
}

.tab-list button small {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  font-weight: 500;
}

.tab-list button[aria-selected="true"] {
  border-bottom-color: var(--blue);
  background: var(--navy);
  color: var(--white);
}

.tab-list button[aria-selected="true"] > span {
  color: var(--orange);
}

.tab-panel[hidden] {
  display: none;
}

.program-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-left: 1px solid var(--line);
}

.program-grid-nine {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.program-grid-nine .program-card {
  min-height: 416px;
  padding: 32px 28px 30px;
}

.program-grid-nine .program-card h3 {
  font-size: 20px;
  line-height: 1.42;
}

.program-grid-nine .card-code {
  margin-bottom: 22px;
}

.program-grid-nine .card-output {
  right: 28px;
  left: 28px;
}

.program-card {
  position: relative;
  min-height: 346px;
  padding: 38px 38px 32px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
  transition: background 0.25s ease, transform 0.25s ease;
}

.program-card:hover {
  z-index: 2;
  background: var(--white);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(12, 26, 58, 0.09);
}

.card-code {
  margin: 0 0 26px;
  color: var(--blue);
}

.program-card h3 {
  margin: 0 0 13px;
  font-size: 25px;
  letter-spacing: -0.04em;
}

.program-card > p:not(.card-code) {
  margin: 0;
  color: var(--muted);
}

.program-card ul {
  margin: 22px 0 62px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  list-style: none;
}

.program-card li {
  padding: 5px 10px;
  border: 1px solid #cdd7e8;
  color: #425170;
  font-size: 12px;
  font-weight: 700;
}

.card-output {
  position: absolute;
  right: 38px;
  bottom: 30px;
  left: 38px;
  padding-top: 15px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  font-weight: 800;
}

.card-output span {
  color: var(--orange);
}

.module-rail {
  margin-top: 42px;
  padding: 34px 36px;
  display: grid;
  grid-template-columns: 240px 1fr auto;
  gap: 38px;
  align-items: center;
  background: #e8effa;
}

.module-intro p {
  margin: 0 0 8px;
  color: var(--blue);
}

.module-intro strong {
  color: var(--navy);
  line-height: 1.45;
}

.module-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.module-list span {
  padding: 7px 11px;
  background: var(--white);
  color: #3a4867;
  font-size: 12px;
  font-weight: 700;
}

.module-rail > a {
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

.module-rail > a b {
  color: var(--orange);
  font-size: 18px;
}

.solutions {
  position: relative;
  overflow: hidden;
  padding-block: 126px;
  background: #eef3fa;
  color: var(--navy);
}

.solution-grid {
  opacity: 0.72;
  mask-image: linear-gradient(180deg, black, transparent 34%);
}

.solutions .container {
  position: relative;
  z-index: 2;
}

.solution-heading {
  margin-bottom: 52px;
}

.solution-heading > p {
  color: var(--muted);
}

.solution-browser {
  overflow: hidden;
  border: 1px solid #ccd7e8;
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 28px 70px rgba(12, 26, 58, 0.12);
}

.solution-filter-step {
  padding: 24px 30px;
  border-bottom: 1px solid var(--line);
}

.solution-service-step {
  padding-block: 18px;
}

.claude-skill-guide {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(105deg, #f7f9ff 0%, #eef3ff 100%);
}

.claude-skill-guide[hidden] {
  display: none;
}

.claude-skill-guide summary {
  min-height: 72px;
  padding: 16px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--navy);
  cursor: pointer;
  list-style: none;
}

.claude-skill-guide summary::-webkit-details-marker {
  display: none;
}

.claude-skill-guide summary:focus-visible {
  outline: 3px solid rgba(36, 83, 212, 0.34);
  outline-offset: -3px;
}

.claude-skill-guide-title,
.claude-skill-guide-toggle {
  display: flex;
  align-items: center;
}

.claude-skill-guide-title {
  gap: 9px;
}

.claude-skill-guide-title > span {
  font-size: 19px;
}

.claude-skill-guide-title strong {
  font-size: 17px;
  font-weight: 850;
  letter-spacing: -0.025em;
}

.claude-skill-guide-title small {
  padding: 4px 8px;
  border: 1px solid #cbd7ef;
  border-radius: 999px;
  color: #596987;
  font-size: 11px;
  font-weight: 800;
}

.claude-skill-guide-toggle {
  gap: 9px;
  color: #56637e;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.claude-skill-guide-toggle i {
  width: 28px;
  height: 28px;
  border: 1px solid #c8d4ea;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--white);
  color: var(--blue);
  font-size: 16px;
  font-style: normal;
  transition: transform 0.2s ease;
}

.claude-skill-guide .when-open {
  display: none;
}

.claude-skill-guide[open] .when-closed {
  display: none;
}

.claude-skill-guide[open] .when-open {
  display: inline;
}

.claude-skill-guide[open] .claude-skill-guide-toggle i {
  transform: rotate(180deg);
}

.claude-skill-guide-body {
  padding: 4px 30px 26px;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  gap: 24px;
}

.claude-skill-guide-body ol {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  list-style: none;
}

.claude-skill-guide-body li {
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid #d7e0f1;
  border-radius: 11px;
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 8px;
  align-items: start;
  background: rgba(255, 255, 255, 0.78);
}

.claude-skill-guide-body li > span {
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
}

.claude-skill-guide-body li p,
.claude-skill-guide-note {
  margin: 0;
  color: #46536d;
  font-size: 14px;
  line-height: 1.65;
}

.claude-skill-guide-body li b {
  color: var(--navy);
}

.claude-skill-guide-body li a {
  color: var(--blue);
  font-weight: 850;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.claude-skill-guide-body code {
  padding: 2px 5px;
  border-radius: 4px;
  background: #e6ecfb;
  color: var(--blue);
  font-family: var(--utility);
  font-size: 12px;
  font-weight: 800;
}

.claude-skill-guide-note {
  padding: 16px 18px;
  border: 1px solid #d8d0f2;
  border-radius: 11px;
  align-self: stretch;
  background: #f1edfb;
}

.claude-skill-guide-note b {
  margin-bottom: 6px;
  display: block;
  color: var(--navy);
  font-size: 12px;
}

.solution-step-heading {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  align-items: start;
}

.solution-step-heading > span {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--navy);
  color: var(--white);
  font-family: var(--utility);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.solution-step-heading strong {
  display: block;
  color: var(--navy);
  font-size: 18px;
  line-height: 1.45;
}

.solution-step-heading p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.solution-field-options,
.solution-task-options {
  margin: 18px 0 0 60px;
}

.solution-service-options {
  width: fit-content;
  max-width: 100%;
  padding: 5px;
  overflow-x: auto;
  border: 1px solid #d3ddeb;
  border-radius: 14px;
  display: flex;
  gap: 3px;
  background: var(--white);
}

.solution-field-options button,
.solution-task-options button {
  border: 1px solid #d3ddeb;
  background: var(--paper);
  color: var(--navy);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease,
    transform 0.2s ease;
}

.solution-field-options button:hover,
.solution-task-options button:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
}

.solution-field-options button[aria-pressed="true"] {
  border-color: var(--blue);
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 8px 18px rgba(36, 83, 212, 0.18);
}

.solution-service-options button {
  min-height: 44px;
  padding: 9px 15px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: #59647a;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.solution-service-options button:hover {
  background: #edf2fa;
}

.solution-service-options button[aria-pressed="true"] {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 6px 14px rgba(36, 83, 212, 0.22);
}

.solution-service-options button > strong {
  font-size: 14px;
  font-weight: 800;
}

.solution-field-options {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.solution-field-options button {
  min-height: 46px;
  padding: 10px 17px;
  border-radius: 999px;
}

.solution-field-options button > strong {
  font-size: 13px;
  font-weight: 800;
}

.solution-task-options {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.solution-task-options button {
  min-height: 46px;
  padding: 10px 15px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 750;
}

.solution-task-options button small {
  min-width: 21px;
  margin-left: 7px;
  padding: 2px 6px;
  border-radius: 999px;
  display: inline-block;
  background: #e5ebf5;
  color: #5d6882;
  font-size: 10px;
  font-weight: 800;
}

.solution-task-options button[aria-pressed="true"] {
  border-color: var(--blue);
  background: var(--blue);
  color: var(--white);
}

.solution-task-options button[aria-pressed="true"] small {
  background: rgba(255, 255, 255, 0.18);
  color: var(--white);
}

.solution-results {
  padding: 38px 34px 42px;
  background: #f4f7fc;
}

.solution-results-heading {
  margin-bottom: 24px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.solution-path {
  margin: 0 0 7px;
  color: var(--blue);
  font-family: var(--utility);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.solution-results-heading h3 {
  margin: 0;
  font-size: 26px;
  letter-spacing: -0.04em;
}

.solution-result-status {
  margin: 0;
  padding: 7px 11px;
  border-radius: 999px;
  background: #e4ebf7;
  color: #4b5872;
  font-size: 12px;
  font-weight: 750;
  white-space: nowrap;
}

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

.solution-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid #d5dfed;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  background: var(--white);
  transition: border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
}

.solution-card:hover {
  border-color: #9ab0d7;
  box-shadow: 0 18px 38px rgba(12, 26, 58, 0.1);
  transform: translateY(-4px);
}

.solution-card-content {
  min-height: 360px;
  padding: 24px 22px 20px;
  display: flex;
  flex: 1;
  flex-direction: column;
}

.solution-card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.solution-card-badges > span {
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
}

.solution-type-badge {
  background: #e8effc;
  color: var(--blue);
}

.solution-status-badge {
  background: #edf5f2;
  color: var(--green);
}

.solution-card h4 {
  margin: 18px 0 11px;
  font-size: 21px;
  line-height: 1.42;
  letter-spacing: -0.04em;
}

.solution-card-summary {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.solution-card-tags {
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
}

.solution-card-tags li {
  padding: 5px 8px;
  border: 1px solid #d5deeb;
  color: #536079;
  font-size: 10px;
  font-weight: 700;
}

.solution-card-output {
  margin: 20px 0 0;
  padding-top: 15px;
  border-top: 1px solid var(--line);
  color: #3e4b65;
  font-size: 12px;
  font-weight: 750;
}

.solution-card-output span {
  margin-right: 8px;
  color: var(--orange);
  font-size: 10px;
}

.solution-card-footer {
  margin-top: auto;
  padding-top: 20px;
}

.solution-card-link {
  min-height: 44px;
  padding: 11px 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--blue);
  color: var(--white);
  font-size: 12px;
  font-weight: 800;
}

.solution-card-link.is-pending {
  border: 1px dashed #c7d1e0;
  background: #f4f6f9;
  color: #80899b;
}

.solution-empty {
  padding: 54px 28px;
  border: 1px dashed #bdcadf;
  text-align: center;
  background: var(--white);
}

.solution-empty strong {
  font-size: 20px;
}

.solution-empty p {
  margin: 8px 0 22px;
  color: var(--muted);
}

.solution-empty a {
  display: inline-block;
  padding: 12px 16px;
  background: var(--navy);
  color: var(--white);
  font-size: 13px;
  font-weight: 800;
}

.solution-browser-note {
  padding: 26px 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  background: var(--navy);
  color: var(--white);
}

.solution-browser-note strong {
  font-size: 16px;
}

.solution-browser-note p {
  margin: 5px 0 0;
  color: #bfcbe4;
  font-size: 13px;
}

.solution-browser-note > a {
  flex: 0 0 auto;
  padding: 13px 16px;
  border: 1px solid #5870a9;
  font-size: 13px;
  font-weight: 800;
}

.about {
  background: var(--white);
}

.about-layout {
  display: grid;
  grid-template-columns: 1.03fr 0.97fr;
  gap: 92px;
}

.about-summary {
  padding: 34px 0 40px;
  border-bottom: 1px solid var(--line);
}

.about-summary blockquote {
  margin: 0 0 26px;
  width: fit-content;
  max-width: 100%;
  padding: 24px 28px;
  box-sizing: border-box;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--white);
  box-shadow: 0 14px 30px rgba(12, 26, 58, 0.08);
  color: var(--navy);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.65;
}

.about-summary > p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.instructor-portrait {
  position: relative;
  width: min(100%, 480px);
  aspect-ratio: 12 / 13;
  margin: 32px 0 0;
  overflow: hidden;
  border: 1px solid rgba(12, 26, 58, 0.14);
  background: #eceae4;
  box-shadow: 0 16px 34px rgba(12, 26, 58, 0.12);
}

.instructor-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 22%;
}

.instructor-portrait figcaption {
  position: absolute;
  right: 18px;
  bottom: 16px;
  padding: 8px 11px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--navy);
  font-family: var(--utility);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.about-details {
  border-top: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-self: stretch;
}

.credential-block,
.book-block {
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.credential-block > p,
.book-block > p {
  margin: 0 0 24px;
  color: var(--blue);
}

.credential-block ul {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 15px;
  list-style: none;
}

.credential-block li {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 14px;
}

.credential-block span {
  color: var(--muted);
  font-family: var(--utility);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.credential-block strong {
  font-size: 14px;
}

.book-block {
  padding: 28px 0 0;
  border-bottom: 0;
  display: block;
  text-align: left;
}

.book-block > p {
  margin: 0 0 22px;
}

.book-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 13px;
  list-style: none;
}

.book-list li {
  color: var(--navy);
  font-size: 14px;
  line-height: 1.65;
}

.book-list strong {
  font-weight: 800;
}

.book-list span {
  margin-left: 5px;
  color: var(--muted);
  font-family: var(--utility);
  font-size: 12px;
}

.activities {
  padding-block: 116px 124px;
  background: #f4f6f9;
}

.activities-heading {
  max-width: 720px;
  margin: 0 auto 58px;
  text-align: center;
}

.activities-heading h2 {
  font-size: clamp(42px, 5vw, 64px);
}

.activities-heading > span {
  width: 64px;
  height: 3px;
  margin: 24px auto 22px;
  display: block;
  background: var(--blue);
}

.activities-heading > p:last-child {
  margin-inline: auto;
}

.activity-switcher {
  display: grid;
  gap: 34px;
}

.activity-tab-list {
  width: min(720px, 100%);
  margin: 0 auto;
  padding: 6px;
  border: 1px solid #dce3ee;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 10px 30px rgba(12, 26, 58, 0.07);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.activity-tab-list button {
  min-height: 74px;
  padding: 13px 18px;
  border: 0;
  border-radius: 11px;
  background: transparent;
  color: var(--muted);
  display: grid;
  gap: 2px;
  place-content: center;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.activity-tab-list button > span {
  color: var(--navy);
  font-size: 18px;
  font-weight: 850;
  letter-spacing: -0.025em;
}

.activity-tab-list button small {
  font-size: 11px;
}

.activity-tab-list button[aria-selected="true"] {
  background: var(--navy);
  color: #bfcdf0;
  box-shadow: 0 9px 22px rgba(12, 26, 58, 0.2);
}

.activity-tab-list button[aria-selected="true"] > span {
  color: var(--white);
}

.activity-category-tabs {
  width: 100%;
  margin: 0;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.activity-category-tabs button {
  min-height: 64px;
  padding: 12px 14px;
  display: flex;
  flex-direction: row;
  gap: 9px;
  align-items: center;
  justify-content: center;
}

.activity-category-tabs button > span {
  font-size: 15px;
  white-space: nowrap;
}

.activity-category-tabs button small {
  min-width: 25px;
  height: 25px;
  padding-inline: 6px;
  border-radius: 999px;
  background: #edf2fa;
  color: #63708a;
  display: grid;
  place-items: center;
  font-family: var(--utility);
  font-size: 10px;
  font-weight: 800;
}

.activity-category-tabs button[aria-selected="true"] small {
  background: rgba(255, 255, 255, 0.17);
  color: var(--white);
}

.activity-tab-panel[hidden] {
  display: none;
}

.activity-result-status {
  margin: 0 0 16px;
  color: #66728a;
  font-size: 13px;
  font-weight: 700;
  text-align: right;
}

.activity-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.activity-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid #e3e7ee;
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 12px 32px rgba(12, 26, 58, 0.1);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.activity-card:hover,
.activity-card:focus-visible {
  border-color: rgba(36, 83, 212, 0.34);
  box-shadow: 0 22px 48px rgba(12, 26, 58, 0.16);
  transform: translateX(6px);
}

.activity-card-body {
  min-height: 142px;
  padding: 25px 30px;
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
}

.activity-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #727c91;
  font-size: 14px;
}

.activity-meta span {
  padding: 5px 13px;
  border-radius: 999px;
  background: var(--blue);
  color: var(--white);
  font-size: 12px;
  font-weight: 800;
}

.activity-meta time {
  font-size: 12px;
  line-height: 1.5;
}

.activity-card-copy {
  min-width: 0;
}

.activity-card h3 {
  margin: 0 0 8px;
  font-size: 21px;
  line-height: 1.38;
  letter-spacing: -0.035em;
}

.activity-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.activity-card b {
  margin: 0;
  padding: 12px 0 12px 24px;
  border-left: 1px solid #dce3ee;
  color: var(--blue);
  font-size: 13px;
  white-space: nowrap;
}

.activity-card b span {
  display: inline-block;
  transition: transform 0.2s ease;
}

.activity-card:hover b span {
  transform: translate(3px, -3px);
}

.activity-pagination {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.activity-pagination[hidden] {
  display: none;
}

.activity-pagination button {
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid #e2e7ef;
  border-radius: 7px;
  background: #f2f4f7;
  color: #69758d;
  font-family: var(--utility);
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.activity-pagination button:hover,
.activity-pagination button:focus-visible {
  border-color: var(--blue);
  color: var(--blue);
  transform: translateY(-2px);
}

.activity-pagination button[aria-current="page"] {
  border-color: var(--blue);
  background: var(--blue);
  color: var(--white);
}

.activity-noscript {
  margin: 22px 0 0;
  color: var(--muted);
  text-align: center;
}

.activity-detail-cover {
  position: relative;
  padding: 28px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  isolation: isolate;
  color: var(--white);
}

.activity-detail-cover::before,
.activity-detail-cover::after {
  content: "";
  position: absolute;
  z-index: -1;
  pointer-events: none;
}

.activity-detail-cover::before {
  inset: 0;
  opacity: 0.85;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(135deg, #000 10%, transparent 78%);
}

.activity-detail-cover::after {
  width: 230px;
  height: 230px;
  right: -70px;
  bottom: -82px;
  border: 36px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
}

.activity-detail-cover > span,
.activity-detail-cover > i {
  font-family: var(--utility);
  font-size: 10px;
  font-style: normal;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.activity-detail-cover > span {
  width: max-content;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.55);
}

.activity-detail-cover > strong {
  max-width: 300px;
  font-size: clamp(24px, 2.2vw, 32px);
  line-height: 1.34;
  letter-spacing: -0.045em;
}

.activity-detail-cover > i {
  color: rgba(255, 255, 255, 0.7);
}

.activity-cover-work {
  background:
    radial-gradient(circle at 84% 18%, rgba(113, 153, 255, 0.95) 0 5%, transparent 35%),
    linear-gradient(145deg, #07142f, #1741aa 78%);
}

.activity-cover-career {
  background:
    radial-gradient(circle at 82% 16%, rgba(255, 188, 143, 0.86), transparent 28%),
    linear-gradient(145deg, #24204e, #6753ae 72%, #9274d3);
}

.activity-cover-interview {
  background:
    radial-gradient(circle at 84% 18%, rgba(115, 200, 255, 0.72), transparent 28%),
    linear-gradient(145deg, #092143, #1361aa 70%, #278ccb);
}

.activity-cover-boot {
  background:
    radial-gradient(circle at 84% 15%, rgba(222, 161, 255, 0.62), transparent 28%),
    linear-gradient(145deg, #1b214e, #5144a3 68%, #7857bd);
}

.activity-cover-workplace {
  background:
    radial-gradient(circle at 83% 14%, rgba(255, 187, 99, 0.74), transparent 27%),
    linear-gradient(145deg, #3c2530, #a44f48 66%, #d38248);
}

.activity-cover-service {
  background:
    radial-gradient(circle at 85% 10%, rgba(142, 233, 220, 0.65), transparent 26%),
    linear-gradient(145deg, #0c2b38, #167885 68%, #17a785);
}

.activity-detail-page {
  background: var(--white);
}

.activity-detail {
  padding-block: 74px 120px;
}

.activity-back {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 56px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.activity-back:hover {
  color: var(--blue);
}

.activity-detail-header {
  max-width: 1040px;
}

.activity-detail-header .activity-meta {
  margin-bottom: 30px;
}

.activity-detail-header h1 {
  max-width: 980px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(44px, 5.8vw, 78px);
  font-weight: 800;
  letter-spacing: -0.065em;
  line-height: 1.12;
}

.activity-detail-institution {
  margin: 26px 0 52px;
  color: var(--blue);
  font-size: clamp(21px, 2.5vw, 31px);
  font-weight: 800;
  letter-spacing: -0.035em;
}

.activity-detail-cover {
  min-height: 620px;
  border-radius: 24px;
}

.activity-detail-cover > strong {
  max-width: 720px;
  font-size: clamp(42px, 6vw, 78px);
}

.activity-detail-content {
  padding-top: 70px;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: 90px;
}

.activity-detail-copy > p {
  margin: 0;
  color: #3f4b65;
  font-size: 19px;
  line-height: 1.85;
}

.activity-detail-copy h2 {
  margin: 54px 0 20px;
  font-size: 30px;
  letter-spacing: -0.045em;
}

.activity-detail-copy ul {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--navy);
  list-style: none;
}

.activity-detail-copy li {
  padding: 17px 3px;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 13px;
}

.activity-detail-copy li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 9px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--orange);
}

.activity-facts {
  margin: 0;
  padding: 28px;
  align-self: start;
  border-top: 4px solid var(--blue);
  background: var(--ice);
}

.activity-facts > div {
  padding: 15px 0;
  border-bottom: 1px solid #d5ddeb;
}

.activity-facts > div:first-child {
  padding-top: 0;
}

.activity-facts > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.activity-facts dt {
  color: var(--blue);
  font-family: var(--utility);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.activity-facts dd {
  margin: 6px 0 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
}

.activity-detail-cta {
  margin-top: 84px;
  padding: 34px 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  background: var(--navy);
  color: var(--white);
}

.activity-detail-cta p {
  margin: 0;
  color: #cbd7f1;
}

.activity-detail-cta strong {
  display: block;
  margin-bottom: 4px;
  color: var(--white);
  font-size: 21px;
}

.contact {
  padding-block: 120px;
  background: var(--white);
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 86px;
}

.contact-copy > p:not(.section-kicker) {
  margin-top: 26px;
}

.contact-copy dl {
  margin: 46px 0 24px;
  border-top: 1px solid var(--navy);
}

.contact-copy dl > div {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 16px;
}

.contact-copy dt {
  color: var(--blue);
  font-family: var(--utility);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.contact-copy dd {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.contact-form {
  padding: 38px;
  background: var(--ice);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 18px;
}

.field-group {
  display: grid;
  gap: 8px;
}

.full {
  grid-column: 1 / -1;
}

.field-group label {
  color: var(--navy);
  font-size: 13px;
  font-weight: 800;
}

.field-group label span,
.consent b {
  color: var(--blue);
  font-size: 10px;
}

.field-group input,
.field-group select,
.field-group textarea {
  width: 100%;
  border: 1px solid #bcc8da;
  border-radius: 0;
  background: var(--white);
  color: var(--ink);
}

.field-group input,
.field-group select {
  height: 50px;
  padding: 0 13px;
}

.field-group textarea {
  min-height: 134px;
  padding: 13px;
  resize: vertical;
}

.field-group input[aria-invalid="true"],
.field-group select[aria-invalid="true"],
.field-group textarea[aria-invalid="true"] {
  border: 2px solid #bc2d3b;
}

.consent {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  color: #4d5a75;
  font-size: 12px;
  cursor: pointer;
}

.consent input {
  width: 18px;
  height: 18px;
  margin-top: 1px;
}

.form-status {
  display: none;
  padding: 12px 14px;
  font-size: 13px;
  font-weight: 700;
}

.form-status.error {
  display: block;
  border-left: 4px solid #bc2d3b;
  background: #fff0f2;
  color: #7c1d28;
}

.form-status.info {
  display: block;
  border-left: 4px solid var(--green);
  background: #e9f8f4;
  color: #0a604c;
}

.form-status.success {
  display: block;
  border-left: 4px solid var(--green);
  background: #e9f8f4;
  color: #0a604c;
}

.form-status a {
  text-decoration: underline;
}

.contact-form .button {
  width: 100%;
  border: 0;
}

.form-caption {
  margin: -10px 0 0;
  color: #717d93;
  font-size: 11px;
  text-align: center;
}

.site-footer {
  padding-block: 72px 26px;
  background: #141a38;
  color: var(--white);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.15fr 0.9fr 1fr;
  gap: clamp(56px, 8vw, 132px);
  align-items: start;
}

.footer-logo {
  display: flex;
  gap: 12px;
  align-items: center;
  width: 242px;
  height: 92px;
  margin-bottom: 22px;
}

.footer-logo-symbol {
  flex: 0 0 92px;
  width: 92px;
  height: 92px;
  overflow: hidden;
  border-radius: 50%;
}

.footer-logo-symbol img {
  width: auto;
  max-width: none;
  height: 115px;
  transform: translate(-18px, -7px);
}

.footer-logo-wordmark {
  flex: 0 0 138px;
  width: 138px;
  height: 92px;
  overflow: hidden;
}

.footer-logo-wordmark img {
  width: auto;
  max-width: none;
  height: 106px;
  filter: brightness(0) invert(1);
  transform: translate(-110px, -8px);
}

.footer-brand p {
  margin: 0;
  color: #c4cddd;
  font-size: 17px;
  line-height: 1.65;
}

.footer-column h2 {
  margin: 4px 0 24px;
  color: var(--white);
  font-size: 21px;
  line-height: 1.3;
  letter-spacing: -0.03em;
}

.footer-list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-list a,
.footer-contact-item {
  display: flex;
  gap: 13px;
  align-items: center;
  width: fit-content;
  color: #c4cddd;
  font-size: 16px;
  line-height: 1.5;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-list a:hover {
  color: var(--white);
  transform: translateX(3px);
}

.footer-list svg,
.footer-contact-item svg {
  flex: 0 0 23px;
  width: 23px;
  height: 23px;
  fill: none;
  stroke: #aeb8c8;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.footer-bottom {
  position: relative;
  margin-top: 62px;
  padding-top: 24px;
  border-top: 1px solid rgba(196, 205, 221, 0.2);
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  color: #929eb2;
  font-size: 13px;
}

.footer-top-link {
  position: absolute;
  top: 21px;
  right: 0;
  color: #aeb8c8;
  font-size: 13px;
}

.footer-top-link:hover {
  color: var(--white);
}

[data-reveal] {
  opacity: 1;
  transform: none;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.js [data-reveal].visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .site-header {
    background: var(--white);
    backdrop-filter: none;
  }

  .primary-nav {
    position: fixed;
    top: 76px;
    right: 0;
    bottom: 0;
    width: min(360px, 88vw);
    padding: 34px;
    background: var(--white);
    box-shadow: -20px 30px 60px rgba(12, 26, 58, 0.2);
    flex-direction: column;
    align-items: stretch;
    transform: translateX(110%);
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.25s ease;
  }

  .primary-nav.open {
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
  }

  .primary-nav a {
    padding: 12px 4px;
  }

  .nav-cta {
    margin-top: 12px;
    padding: 14px 16px !important;
    text-align: center;
  }

  .menu-toggle {
    display: block;
  }

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

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

  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: clamp(41px, 5.95vw, 56px);
  }

  .hero-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 28px;
  }

  .hero-facts li:nth-child(3) {
    border-left: 0;
  }

  .hero-visual {
    min-height: 510px;
  }

  .proof-layout {
    grid-template-columns: 130px 1fr;
  }

  .section-heading,
  .lab-intro-heading,
  .about-layout,
  .contact-layout {
    gap: 54px;
  }

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

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

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

  .distinction-grid article {
    min-height: 270px;
  }

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

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

  .activity-detail-cover {
    min-height: 520px;
  }

  .activity-detail-content {
    gap: 48px;
  }

  .module-rail {
    grid-template-columns: 210px 1fr;
  }

  .module-rail > a {
    grid-column: 1 / -1;
  }

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

@media (max-width: 760px) {
  .container,
  .header-inner {
    width: min(calc(100% - 32px), var(--max));
  }

  .site-header {
    height: 68px;
  }

  .brand {
    width: 164px;
    height: 58px;
  }

  .brand img {
    width: 154px;
    height: 52px;
  }

  .primary-nav {
    top: 68px;
  }

  .hero {
    min-height: auto;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    padding-block: 70px 48px;
  }

  .hero-copy {
    order: 1;
  }

  .hero-visual {
    order: 2;
    min-height: 470px;
  }

  .portrait-frame {
    inset: 12px 0 0;
  }

  .route-card {
    right: 0;
    bottom: 0;
  }

  .hero-stamp {
    right: -4px;
  }

  .hero-facts li {
    min-width: 0;
  }

  .proof-layout,
  .proof-layout ul,
  .section-heading,
  .lab-intro-heading,
  .lab-subsection-heading,
  .about-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .proof-title {
    padding: 20px 0;
    border-right: 0;
    border-bottom: 1px solid #38476d;
  }

  .proof-layout li {
    padding-inline: 0;
    border-right: 0;
  }

  .section,
  .lab-intro,
  .solutions,
  .activities,
  .contact {
    padding-block: 88px;
  }

  .section-heading {
    gap: 24px;
    margin-bottom: 42px;
  }

  .lab-intro-heading {
    grid-template-areas:
      "kicker"
      "title"
      "summary";
    gap: 24px;
    margin-bottom: 42px;
  }

  .lab-intro-heading > .lab-intro-summary {
    margin-top: 8px;
    font-size: 17px;
    line-height: 1.85;
  }

  .lab-subsection {
    margin-top: 78px;
    padding-top: 62px;
  }

  .lab-subsection-heading {
    grid-template-areas:
      "kicker"
      "title"
      "summary";
    gap: 18px;
    margin-bottom: 32px;
  }

  .lab-subsection-heading > p:last-child {
    margin-top: 4px;
    font-size: 16px;
  }

  .vision-mission-grid,
  .business-grid,
  .distinction-grid {
    grid-template-columns: 1fr;
  }

  .vision-mission-grid article {
    min-height: 310px;
    padding: 32px;
  }

  .business-grid > a {
    min-height: 350px;
    padding: 32px;
  }

  .distinction-grid article {
    min-height: auto;
    padding: 28px 25px 30px;
  }

  .distinction-grid h4 {
    margin-top: 28px;
  }

  .distinction-cta {
    padding: 25px;
    align-items: stretch;
    flex-direction: column;
    gap: 20px;
  }

  .distinction-cta a {
    width: 100%;
    text-align: center;
  }

  .tab-list {
    grid-template-columns: 1fr;
  }

  .tab-list button:first-child {
    border-right: 1px solid var(--line);
  }

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

  .program-card {
    min-height: 330px;
    padding-inline: 26px;
  }

  .card-output {
    right: 26px;
    left: 26px;
  }

  .module-rail {
    padding: 28px 24px;
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .solution-filter-step,
  .solution-results {
    padding: 26px 22px 30px;
  }

  .solution-service-step {
    padding-block: 15px;
  }

  .claude-skill-guide summary {
    padding-inline: 22px;
  }

  .claude-skill-guide-body {
    padding: 2px 22px 24px;
    grid-template-columns: 1fr;
  }

  .claude-skill-guide-body ol {
    grid-template-columns: 1fr;
  }

  .solution-service-options,
  .solution-field-options,
  .solution-task-options {
    margin-left: 0;
  }

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

  .solution-service-options button {
    min-height: 42px;
    padding-inline: 12px;
  }

  .solution-service-options button > strong {
    font-size: 13px;
  }

  .solution-results-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .solution-card-content {
    min-height: auto;
  }

  .solution-browser-note {
    padding: 24px 22px;
    align-items: stretch;
    flex-direction: column;
    gap: 20px;
  }

  .solution-browser-note > a {
    text-align: center;
  }

  .activities-heading {
    margin-bottom: 42px;
  }

  .activity-category-tabs {
    display: flex;
    justify-content: flex-start;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline mandatory;
    scrollbar-width: thin;
  }

  .activity-category-tabs button {
    min-width: 170px;
    min-height: 62px;
    flex: 0 0 auto;
    scroll-snap-align: start;
  }

  .activity-grid,
  .activity-detail-content {
    grid-template-columns: 1fr;
  }

  .activity-card-body {
    min-height: 0;
    padding: 24px 26px;
    grid-template-columns: 1fr;
    gap: 18px;
    align-items: start;
  }

  .activity-card b {
    width: 100%;
    padding: 16px 0 0;
    border-top: 1px solid #dce3ee;
    border-left: 0;
  }

  .activity-detail {
    padding-block: 42px 88px;
  }

  .activity-back {
    margin-bottom: 38px;
  }

  .activity-detail-institution {
    margin-bottom: 36px;
  }

  .activity-detail-cover {
    min-height: 460px;
    border-radius: 18px;
  }

  .activity-detail-content {
    padding-top: 48px;
    gap: 42px;
  }

  .activity-detail-cta {
    margin-top: 58px;
    padding: 28px;
    align-items: flex-start;
    flex-direction: column;
  }

  .contact-form {
    padding: 28px 22px;
    grid-template-columns: 1fr;
  }

  .full {
    grid-column: auto;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 42px 56px;
  }

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

  .footer-list a {
    font-size: 15px;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
    word-break: normal;
  }

  .claude-skill-guide summary {
    min-height: 66px;
    padding: 13px 18px;
  }

  .claude-skill-guide-title {
    gap: 7px;
  }

  .claude-skill-guide-title small,
  .claude-skill-guide-toggle > span {
    display: none;
  }

  .claude-skill-guide-body {
    padding: 2px 18px 20px;
  }

  .site-footer {
    padding-block: 52px 24px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .footer-brand {
    padding-bottom: 4px;
  }

  .footer-column h2 {
    margin-bottom: 18px;
  }

  .footer-bottom {
    margin-top: 46px;
    padding-top: 22px;
    text-align: left;
  }

  .footer-bottom p {
    padding-right: 84px;
    line-height: 1.6;
  }

  .footer-top-link {
    top: 22px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero-description {
    font-size: 16px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-visual {
    min-height: 420px;
  }

  .portrait-label {
    font-size: 9px;
  }

  .hero-stamp {
    width: 92px;
    height: 92px;
    font-size: 10px;
  }

  .route-card {
    width: 96%;
    padding-inline: 16px;
  }

  .route-flow {
    font-size: 11px;
  }

  .section-heading h2,
  .lab-intro h2,
  .lab-subsection-heading h3,
  .about h2,
  .activities h2,
  .contact h2 {
    font-size: 37px;
  }

  .lab-facts {
    grid-template-columns: 1fr;
  }

  .lab-facts > div {
    min-height: 184px;
  }

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

  .value-grid article {
    min-height: 205px;
  }

  .vision-mission-grid h4 {
    font-size: 28px;
  }

  .activities-heading > p:last-child {
    font-size: 15px;
  }

  .activity-tab-list button {
    min-height: 82px;
    padding-inline: 9px;
  }

  .activity-tab-list button > span {
    font-size: 17px;
  }

  .activity-tab-list button small {
    font-size: 10px;
    line-height: 1.4;
  }

  .activity-category-tabs button {
    min-height: 62px;
    padding-inline: 15px;
  }

  .activity-category-tabs button > span {
    font-size: 15px;
  }

  .activity-card-body {
    padding: 22px;
  }

  .activity-detail-header h1 {
    font-size: 40px;
  }

  .activity-detail-cover {
    min-height: 360px;
  }

  .activity-detail-cover > strong {
    font-size: 36px;
  }

  .activity-detail-copy > p {
    font-size: 17px;
  }

  .activity-facts {
    padding: 24px;
  }
}

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

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

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}