@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@500;600;700&family=Noto+Sans+KR:wght@400;500;600;700&display=swap');

:root {
  --paper: #f4f4ef;
  --paper-soft: #e9eae3;
  --ink: #171816;
  --muted: #62655e;
  --line: #d4d6ce;
  --green: #b8ff64;
  --green-soft: #e6ffc8;
  --green-deep: #315d2b;
  --white: #ffffff;
  --max: 1240px;
  --content: 1112px;
  --pad: clamp(20px, 4vw, 64px);
  --display: "Manrope", "Noto Sans KR", sans-serif;
  --body: "Noto Sans KR", sans-serif;
  --mono: "DM Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; word-break: keep-all; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: -0.025em;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
button { font: inherit; color: inherit; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--white);
  transform: translateY(-80px);
  transition: transform 0.2s ease;
}
.skip-link:focus { transform: none; }
:focus-visible { outline: 3px solid var(--green-deep); outline-offset: 4px; }
::selection { background: var(--green); color: var(--ink); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 78px;
  padding: 0 var(--pad);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid rgba(23, 24, 22, 0.12);
  background: rgba(244, 244, 239, 0.92);
  backdrop-filter: blur(14px);
}
.brand {
  justify-self: start;
  display: flex;
  align-items: center;
  gap: 11px;
  font: 700 13px/1 var(--display);
  letter-spacing: 0.08em;
}
.brand img { border-radius: 8px; }
.desktop-menu { display: flex; gap: 28px; font-size: 13px; font-weight: 600; }
.desktop-menu a { position: relative; }
.desktop-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -7px;
  height: 1px;
  background: var(--ink);
  transition: right 0.25s ease;
}
.desktop-menu a:hover::after { right: 0; }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 18px; }
.header-cta { font-size: 13px; font-weight: 700; }
.language-switcher {
  display: flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.language-switcher button {
  min-width: 31px;
  padding: 4px 6px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: 500 10px/1 var(--mono);
  letter-spacing: 0.04em;
  cursor: pointer;
}
.language-switcher button[aria-pressed="true"] { background: var(--ink); color: var(--white); }
.menu-button, .mobile-menu { display: none; }
.header-cta span, .text-link span, .button span, .card-link { transition: transform 0.2s ease; }
.header-cta:hover span, .text-link:hover span, .button:hover span { display: inline-block; transform: translate(3px, -3px); }

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(68px, 8vw, 118px) var(--pad) clamp(72px, 8vw, 108px);
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  gap: clamp(52px, 8vw, 116px);
  align-items: center;
}
.kicker, .section-label, .finder-eyebrow {
  font: 500 11px/1.4 var(--mono);
  letter-spacing: 0.12em;
  color: var(--muted);
}
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: #63c64b;
  box-shadow: 0 0 0 4px rgba(99, 198, 75, 0.13);
}
h1 {
  margin: 28px 0 30px;
  font: 600 clamp(3.1rem, 6.3vw, 6.15rem)/1.04 var(--display);
  letter-spacing: -0.065em;
}
h1 em, h2 em { font-style: normal; color: var(--green-deep); }
.hero-description {
  max-width: 650px;
  margin-bottom: 34px;
  color: #4d4f49;
  font-size: clamp(1.02rem, 1.45vw, 1.2rem);
  line-height: 1.78;
}
.hero-actions { display: flex; align-items: center; gap: 28px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-dark { background: var(--ink); color: var(--white); box-shadow: 8px 8px 0 var(--green); }
.button-light { background: var(--paper); color: var(--ink); box-shadow: 8px 8px 0 var(--ink); }
.button-ghost { border-color: rgba(23, 24, 22, 0.45); background: transparent; color: var(--ink); }
.button-ghost:hover { background: rgba(255, 255, 255, 0.3); }
.button-outline-light { border-color: #5a5c54; color: #f2f2ed; background: transparent; }
.button-outline-light:hover { border-color: var(--green); color: var(--green); }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid currentColor;
  font-size: 14px;
  font-weight: 700;
}
.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 32px;
  color: var(--muted);
  font-size: 12px;
}
.hero-proof span { display: inline-flex; align-items: baseline; gap: 6px; }
.hero-proof strong { color: var(--ink); font: 600 13px var(--display); }
.hero-visual { position: relative; }
.hero-visual::before {
  content: "";
  position: absolute;
  inset: -14px 14px 14px -14px;
  border: 1px solid #b8bab1;
}
.hero-visual img {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  filter: saturate(0.75) contrast(1.05);
}
.bridge-label {
  position: absolute;
  left: -44px;
  right: -44px;
  bottom: 34px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--green);
  font: 500 9px/1 var(--mono);
  letter-spacing: 0.12em;
  transform: rotate(-3deg);
}
.bridge-label i { height: 1px; flex: 1; background: var(--ink); }

.numbers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 0 max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad)));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.numbers > div { padding: 31px clamp(16px, 3vw, 40px); border-right: 1px solid var(--line); }
.numbers > div:first-child { border-left: 1px solid var(--line); }
.numbers strong, .numbers span { display: block; }
.numbers strong { font: 600 clamp(1.75rem, 3vw, 2.7rem)/1.2 var(--display); letter-spacing: -0.05em; }
.numbers span { margin-top: 5px; color: var(--muted); font-size: 13px; }

.section { max-width: var(--max); margin: 0 auto; padding: clamp(94px, 11vw, 160px) var(--pad); }
.section-heading {
  display: grid;
  grid-template-columns: 0.85fr 1.3fr 0.9fr;
  gap: 32px;
  align-items: start;
  margin-bottom: 64px;
}
.section-heading h2 { grid-column: 2; margin: 0; }
.section-heading > p:last-child, .section-heading > .text-link { grid-column: 3; align-self: end; justify-self: start; }
.section-heading > .text-link { margin-bottom: 10px; }
h2 {
  font: 600 clamp(2.45rem, 4.7vw, 4.8rem)/1.1 var(--display);
  letter-spacing: -0.06em;
}
.section-heading > p:last-child { color: var(--muted); line-height: 1.8; }

.finder { padding-top: clamp(88px, 10vw, 140px); }
.finder-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 18px;
  align-items: stretch;
}
.finder-options { border-top: 1px solid var(--line); }
.finder-option {
  width: 100%;
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 16px;
  align-items: center;
  min-height: 88px;
  padding: 18px 4px;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: padding 0.2s ease, background 0.2s ease;
}
.finder-option:hover { padding-left: 14px; padding-right: 14px; background: var(--paper-soft); }
.finder-option[aria-pressed="true"] { padding-left: 14px; padding-right: 14px; background: var(--ink); color: var(--white); }
.finder-option > span { color: #8a8c84; font: 500 10px var(--mono); }
.finder-option strong { font: 600 16px/1.45 var(--display); letter-spacing: -0.035em; }
.finder-option small { color: var(--muted); font: 400 10px/1.4 var(--mono); text-align: right; }
.finder-option[aria-pressed="true"] > span, .finder-option[aria-pressed="true"] small { color: #aeb0a9; }
.finder-result {
  min-height: 512px;
  padding: clamp(28px, 4vw, 52px);
  background: var(--green);
  border: 1px solid #9ee64e;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.finder-eyebrow { color: var(--green-deep); }
.finder-result h3 {
  margin: 18px 0 14px;
  max-width: 620px;
  font: 600 clamp(2rem, 3.5vw, 3.6rem)/1.12 var(--display);
  letter-spacing: -0.055em;
}
.finder-result > p:not(.finder-eyebrow) { max-width: 600px; margin-bottom: 26px; color: #405d32; }
.finder-result-links { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
.finder-result-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 15px 0;
  border-top: 1px solid rgba(49, 93, 43, 0.33);
  font-size: 14px;
  font-weight: 700;
}
.finder-result-links a:last-child { border-bottom: 1px solid rgba(49, 93, 43, 0.33); }
.finder-result-links a span:last-child { font-weight: 500; }
.finder-result-links a:hover span:first-child { text-decoration: underline; text-underline-offset: 4px; }

.courses {
  max-width: none;
  padding-left: max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad)));
  padding-right: max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad)));
  border-top: 1px solid var(--line);
}
.courses > .section-heading, .course-grid { max-width: var(--content); margin-left: auto; margin-right: auto; }
.course-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.course-card {
  min-height: 540px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  background: #e8e9e2;
  border: 1px solid #d0d1ca;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.course-card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(22, 24, 21, 0.1); }
.course-card-featured { background: var(--green); border-color: #9ee64e; }
.course-topline { display: flex; justify-content: space-between; gap: 18px; align-items: center; }
.course-tag { padding: 7px 10px; border: 1px solid currentColor; font: 500 10px/1 var(--mono); letter-spacing: 0.1em; }
.course-meta { color: var(--muted); font: 400 10px/1.4 var(--mono); text-align: right; }
.course-card-featured .course-meta { color: #496339; }
.course-art { height: 245px; margin: 18px 0; position: relative; overflow: hidden; background: #dfe0d8; }
.course-card-featured .course-art { background: #a8ef56; }
.course-copy { margin-top: auto; padding-top: 24px; border-top: 1px solid rgba(23, 24, 22, 0.2); }
.course-copy h3 { margin: 0 0 12px; font: 600 clamp(1.55rem, 2.45vw, 2.22rem)/1.25 var(--display); letter-spacing: -0.045em; }
.course-copy p { max-width: 570px; margin: 0 0 20px; color: #54564f; font-size: 14px; }
.card-link { display: inline-block; font-size: 13px; font-weight: 700; }
.course-card:hover .card-link { transform: translate(3px, -3px); }
.stages-art { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 8px; }
.stages-art span { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--green-deep); border-radius: 50%; background: var(--paper); color: var(--green-deep); font: 500 13px/1 var(--mono); }
.stages-art span:last-child { background: var(--green-deep); color: var(--white); }
.stages-art i { width: 16px; height: 1px; background: var(--green-deep); }
.harness-art { display: grid; place-content: center; gap: 16px; }
.harness-art code { padding: 10px 14px; border: 1px solid #7c8c71; background: var(--paper); font: 500 14px var(--mono); }
.harness-art i { width: 1px; height: 34px; margin: 0 auto; background: #668256; }
.rag-art::before, .rag-art::after, .rag-art span { content: ""; position: absolute; border: 1px solid #426b32; border-radius: 50%; }
.rag-art::before { width: 150px; height: 150px; top: 44px; left: calc(50% - 130px); }
.rag-art::after { width: 150px; height: 150px; top: 44px; right: calc(50% - 130px); }
.rag-art span:nth-child(1) { width: 22px; height: 22px; top: 110px; left: calc(50% - 11px); background: var(--green); border: 0; }
.rag-art span:nth-child(2) { width: 7px; height: 7px; top: 75px; left: 22%; background: var(--green-deep); border: 0; }
.rag-art span:nth-child(3) { width: 7px; height: 7px; bottom: 60px; right: 24%; background: var(--green-deep); border: 0; }
.rag-art span:nth-child(4) { width: 7px; height: 7px; top: 70px; right: 22%; background: var(--green-deep); border: 0; }
.copilot-art { display: grid; place-items: center; }
.copilot-art span { font: 500 clamp(3rem, 6vw, 6rem)/1 var(--mono); letter-spacing: -0.08em; color: var(--green-deep); }

.reviews {
  max-width: none;
  background: var(--ink);
  color: #f2f2ed;
  padding-left: max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad)));
  padding-right: max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad)));
}
.reviews > .section-heading, .reviews > .review-grid, .reviews > .reviews-cta { max-width: var(--content); margin-left: auto; margin-right: auto; }
.reviews .section-label, .reviews .section-heading > p:last-child { color: #9c9e96; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #3c3d39; border-left: 1px solid #3c3d39; }
.review {
  min-height: 318px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid #3c3d39;
  border-bottom: 1px solid #3c3d39;
  transition: background 0.2s ease, color 0.2s ease;
}
.review:hover { background: var(--green); color: var(--ink); }
.review > div { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.stars { color: var(--green); font-size: 12px; letter-spacing: 0.08em; }
.review:hover .stars { color: var(--green-deep); }
.review small { color: #9c9e96; font-size: 11px; text-align: right; }
.review:hover small { color: #4f633d; }
.review blockquote { margin: 34px 0; padding: 0; color: #d1d2cb; font-size: 14px; line-height: 1.85; }
.review:hover blockquote { color: var(--ink); }
.review footer { margin-top: auto; display: flex; justify-content: space-between; gap: 16px; font-size: 12px; }
.review footer b { color: #8f9189; font-weight: 600; }
.review:hover footer b { color: var(--green-deep); }
.reviews-cta { margin-top: 34px !important; display: flex; justify-content: space-between; gap: 32px; align-items: center; }
.reviews-cta p { margin: 0; color: #a9aba3; font-size: 14px; }

.roadmap { border-bottom: 1px solid var(--line); }
.roadmap-list { border-top: 1px solid var(--line); }
.roadmap-step {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}
.roadmap-number { color: #8a8c84; font: 500 10px var(--mono); }
.roadmap-step > div:nth-child(2) > span { color: var(--green-deep); font: 500 10px var(--mono); letter-spacing: 0.1em; }
.roadmap-step h3 { margin: 8px 0 8px; font: 600 clamp(1.35rem, 2vw, 1.85rem)/1.35 var(--display); letter-spacing: -0.04em; }
.roadmap-step p { max-width: 650px; margin: 0; color: var(--muted); font-size: 14px; }
.roadmap-step > a { padding-bottom: 3px; border-bottom: 1px solid currentColor; font-size: 13px; font-weight: 700; white-space: nowrap; }
.all-courses { margin-top: 38px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.all-courses p { margin: 0; color: var(--muted); font-size: 14px; }

.channels { border-bottom: 1px solid var(--line); }
.channel-list { border-top: 1px solid var(--line); }
.channel-list a {
  display: grid;
  grid-template-columns: 58px 1fr 30px;
  gap: 20px;
  align-items: center;
  padding: 25px 10px;
  border-bottom: 1px solid var(--line);
  transition: padding 0.25s ease, background 0.25s ease;
}
.channel-list a:hover { padding-left: 24px; padding-right: 24px; background: var(--paper-soft); }
.channel-list img { width: 44px; height: 44px; border-radius: 10px; }
.channel-list span strong, .channel-list span small { display: block; }
.channel-list strong { font: 600 1.18rem var(--display); }
.channel-list small { color: var(--muted); font-size: 13px; }
.channel-list b { font-size: 20px; font-weight: 400; }

.about { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(50px, 9vw, 116px); align-items: center; }
.about-photo { position: relative; }
.about-photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; filter: grayscale(1) contrast(1.08); }
.about-photo span { position: absolute; right: -24px; top: 30px; writing-mode: vertical-rl; padding: 14px 8px; background: var(--green); font: 500 9px var(--mono); letter-spacing: 0.14em; }
.about-copy h2 { margin: 26px 0 32px; }
.about-copy > p:not(.section-label) { color: var(--muted); }
.about-copy .about-lead { color: var(--ink) !important; font-size: 1.1rem; font-weight: 500; }
.about-copy ul { list-style: none; padding: 0; margin: 38px 0 0; border-top: 1px solid var(--line); }
.about-copy li { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.about-copy li span { display: inline-block; width: 48px; color: #8a8c84; font: 400 10px var(--mono); }

.work { max-width: none; background: var(--ink); color: #f2f2ed; padding-left: max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad))); padding-right: max(var(--pad), calc((100vw - var(--max)) / 2 + var(--pad))); }
.work > .section-heading, .work > .work-list { max-width: var(--content); margin-left: auto; margin-right: auto; }
.work .section-label, .work .section-heading > p:last-child { color: #9c9e96; }
.work-list { border-top: 1px solid #3c3d39; }
.work-item { display: grid; grid-template-columns: 76px 1fr 42px; gap: 28px; padding: 42px 0; border-bottom: 1px solid #3c3d39; align-items: start; }
.work-icon { width: 50px; height: 50px; display: grid; place-items: center; border: 1px solid #5b5d55; color: var(--green); font: 400 24px var(--mono); transition: 0.25s ease; }
.work-item:hover .work-icon { background: var(--green); border-color: var(--green); color: var(--ink); transform: rotate(-5deg); }
.work-item > div { display: grid; grid-template-columns: minmax(250px, 0.65fr) 1fr; gap: 56px; }
.work-item h3 { margin: 2px 0; font: 600 clamp(1.35rem, 2vw, 1.85rem)/1.3 var(--display); letter-spacing: -0.04em; }
.work-item p { max-width: 590px; margin: 0; color: #b8bab2; }
.work-index { justify-self: end; color: #777a71; font: 400 11px var(--mono); }

.collaboration { border-bottom: 1px solid var(--line); }
.business-services { display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 54px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.business-services > div { min-height: 168px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.business-services span { color: #8a8c84; font: 500 10px var(--mono); }
.business-services strong { display: block; margin: 24px 0 8px; font: 600 1.2rem var(--display); }
.business-services p { margin: 0; color: var(--muted); font-size: 13px; }
.collaboration-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.collaboration-card { min-width: 0; padding: 26px; background: #e8e9e2; border: 1px solid #d0d1ca; }
.partner-logo { min-height: 220px; display: grid; place-items: center; margin-bottom: 26px; background: var(--white); }
.partner-logo a { width: 100%; height: 100%; display: grid; place-items: center; }
.partner-logo img { width: 58%; max-height: 150px; object-fit: contain; }
.collaboration-card > div:nth-child(2) > span { color: var(--green-deep); font: 500 10px var(--mono); letter-spacing: 0.1em; }
.collaboration-card h3 { margin: 10px 0; font: 600 1.85rem var(--display); letter-spacing: -0.04em; }
.collaboration-card h3 small { color: var(--muted); font-size: 0.5em; }
.collaboration-card p { margin: 0; color: var(--muted); font-size: 14px; }
.inquiry-panel { margin-top: 54px; display: grid; grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.28fr); border: 1px solid var(--line); background: #ecece6; }
.inquiry-intro { padding: clamp(30px, 4vw, 52px); border-right: 1px solid var(--line); }
.inquiry-intro .section-label { color: var(--green-deep); }
.inquiry-intro h3 { margin: 24px 0 20px; font: 600 clamp(2.25rem, 4vw, 4.2rem)/0.98 var(--display); letter-spacing: -0.055em; }
.inquiry-intro > p:not(.section-label) { margin: 0; max-width: 420px; color: var(--muted); }
.inquiry-direct { display: grid; grid-template-columns: 1fr auto; gap: 7px 14px; margin-top: 44px; padding: 17px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.inquiry-direct span { grid-column: 1 / -1; color: #85877f; font: 500 10px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.inquiry-direct strong { min-width: 0; overflow-wrap: anywhere; font-size: 13px; }
.inquiry-direct b { font: 500 14px var(--mono); }
.inquiry-direct:hover strong { text-decoration: underline; text-underline-offset: 4px; }
.inquiry-form { padding: clamp(30px, 4vw, 52px); background: var(--paper); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 20px; }
.form-field { display: grid; gap: 9px; }
.form-field > span, .inquiry-types legend { color: #74766f; font: 600 10px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.form-field input, .form-field textarea { width: 100%; border: 0; border-bottom: 1px solid #bfc1ba; border-radius: 0; padding: 11px 0 12px; background: transparent; color: var(--ink); font: 500 15px var(--display); outline: none; transition: border-color 0.2s ease, box-shadow 0.2s ease; }
.form-field textarea { min-height: 148px; resize: vertical; line-height: 1.65; }
.form-field input::placeholder, .form-field textarea::placeholder { color: #a2a49d; opacity: 1; }
.form-field input:focus, .form-field textarea:focus { border-color: var(--green-deep); box-shadow: 0 1px 0 var(--green-deep); }
.inquiry-types { min-width: 0; margin: 32px 0 30px; padding: 0; border: 0; }
.inquiry-types legend { margin-bottom: 12px; }
.inquiry-type-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.inquiry-type-grid label { min-width: 0; cursor: pointer; }
.inquiry-type-grid input { position: absolute; opacity: 0; pointer-events: none; }
.inquiry-type-grid span { min-height: 48px; display: flex; align-items: center; justify-content: center; padding: 10px 12px; border: 1px solid #cfd0ca; background: var(--white); color: #555850; text-align: center; font-size: 12px; font-weight: 600; transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease, transform 0.2s ease; }
.inquiry-type-grid label:hover span { border-color: #8d9187; transform: translateY(-1px); }
.inquiry-type-grid input:focus-visible + span { outline: 2px solid var(--ink); outline-offset: 2px; }
.inquiry-type-grid input:checked + span { border-color: var(--ink); background: var(--ink); color: var(--green); }
.form-message { margin-top: 4px; }
.form-submit-row { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-top: 28px; }
.form-submit-row p { max-width: 390px; margin: 0; color: #85877f; font-size: 11px; line-height: 1.6; }
.inquiry-submit { flex: none; min-width: 170px; }
.inquiry-submit:disabled { cursor: wait; opacity: 0.62; transform: none; }
.form-status { min-height: 24px; margin: 18px 0 0; color: var(--green-deep); font-size: 13px; font-weight: 600; }
.form-status.is-error { color: #9d342c; }
.form-honeypot { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; clip-path: inset(50%) !important; white-space: nowrap !important; }


.faq { border-bottom: 1px solid var(--line); }
.faq-list { max-width: 850px; margin-left: auto; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 24px 0; display: flex; align-items: center; justify-content: space-between; gap: 24px; font: 600 1.08rem var(--display); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary span { font: 400 22px var(--mono); transition: transform 0.2s ease; }
.faq details[open] summary span { transform: rotate(45deg); }
.faq details p { max-width: 760px; padding: 0 42px 26px 0; margin: 0; color: var(--muted); }

.contact {
  min-height: 74vh;
  padding: clamp(100px, 12vw, 160px) var(--pad) 34px;
  background: var(--green);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.contact .section-label { color: #3e632b; }
.contact h2 { margin: 24px 0 26px; max-width: 1100px; font-size: clamp(3rem, 6.6vw, 6.7rem); }
.contact h2 em { color: var(--ink); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 10px; }
.contact > p:not(.section-label) { color: #466534; }
.contact-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 30px; }
.contact-footer { width: 100%; margin-top: auto; padding-top: 86px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; font: 500 10px var(--mono); letter-spacing: 0.08em; }
.contact-footer span { justify-self: start; }
.contact-footer a:last-child { justify-self: end; }
.contact-footer a:hover { text-decoration: underline; text-underline-offset: 4px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1040px) {
  .desktop-menu { gap: 20px; }
  .finder-layout { grid-template-columns: 1fr; }
  .finder-result { min-height: 390px; }
  .roadmap-step { grid-template-columns: 54px 1fr; }
  .roadmap-step > a { grid-column: 2; justify-self: start; }
}

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto auto; }
  .site-header > nav.desktop-menu, .header-actions .header-cta { display: none; }
  .header-actions { justify-self: auto; }
  .menu-button { display: flex; width: 42px; height: 42px; border: 0; background: transparent; flex-direction: column; align-items: center; justify-content: center; gap: 6px; cursor: pointer; }
  .menu-button span:not(.sr-only) { width: 22px; height: 1px; background: var(--ink); transition: 0.2s ease; }
  .menu-button[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }
  .mobile-menu { position: absolute; display: none; top: 77px; left: 0; right: 0; padding: 18px var(--pad) 26px; background: var(--paper); border-bottom: 1px solid var(--line); flex-direction: column; gap: 2px; }
  .mobile-menu.is-open { display: flex; }
  .mobile-menu a { padding: 11px 0; font-size: 17px; }
  .mobile-menu a:last-child { margin-top: 8px; padding-top: 16px; border-top: 1px solid var(--line); font-weight: 700; }

  .hero { grid-template-columns: 1fr; padding-top: 70px; }
  .hero-copy { max-width: 760px; }
  .hero-visual { max-width: 580px; margin-left: auto; }
  .bridge-label { left: -20px; right: -20px; }
  .numbers { grid-template-columns: repeat(2, 1fr); }
  .numbers > div:nth-child(3) { border-left: 1px solid var(--line); border-top: 1px solid var(--line); }
  .numbers > div:nth-child(4) { border-top: 1px solid var(--line); }

  .section-heading { grid-template-columns: 0.8fr 2fr; }
  .section-heading h2 { grid-column: 2; }
  .section-heading > p:last-child, .section-heading > .text-link { grid-column: 2; }

  .course-grid, .collaboration-grid { grid-template-columns: 1fr; }
  .course-card { min-height: 500px; }
  .review-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-cta { align-items: flex-start; flex-direction: column; }
  .about { grid-template-columns: 1fr; }
  .about-photo { max-width: 600px; }
  .about-copy { max-width: 760px; }
  .work-item > div { grid-template-columns: 1fr; gap: 12px; }
  .business-services { grid-template-columns: repeat(2, 1fr); border-bottom: 0; }
  .business-services > div { min-height: auto; }
  .inquiry-panel { grid-template-columns: 1fr; }
  .inquiry-intro { border-right: 0; border-bottom: 1px solid var(--line); }
  .contact-footer { grid-template-columns: 1fr; text-align: center; }
  .contact-footer span, .contact-footer a:last-child { justify-self: center; }
}

@media (max-width: 620px) {
  html { scroll-padding-top: 74px; }
  .site-header { height: 68px; }
  .brand img { width: 28px; height: 28px; }
  .mobile-menu { top: 67px; }

  .hero { padding-top: 50px; gap: 42px; }
  .hero h1 { margin-top: 24px; font-size: clamp(2.75rem, 13vw, 4.4rem); }
  .hero-description { font-size: 1rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 16px; }
  .hero-proof { margin-top: 28px; gap: 8px 14px; }
  .hero-visual { margin: 10px 14px 0; }
  .bridge-label { left: -20px; right: -20px; }

  .numbers { padding: 0; }
  .numbers > div { padding: 21px 17px; }
  .numbers strong { font-size: 1.6rem; }
  .numbers span { font-size: 11px; }

  .section { padding-top: 88px; padding-bottom: 88px; }
  .section-heading { display: block; margin-bottom: 42px; }
  .section-heading h2 { margin: 18px 0 22px; font-size: clamp(2.35rem, 11vw, 3.5rem); }

  .finder-option { grid-template-columns: 34px 1fr; min-height: 82px; }
  .finder-option small { grid-column: 2; text-align: left; margin-top: -10px; }
  .finder-result { min-height: 360px; padding: 26px 22px; }
  .finder-result h3 { font-size: 2rem; }

  .course-grid { grid-template-columns: 1fr; }
  .course-card { min-height: 470px; padding: 20px; }
  .course-art { height: 205px; }
  .course-topline { align-items: flex-start; }
  .course-meta { max-width: 160px; }

  .review-grid { grid-template-columns: 1fr; }
  .review { min-height: 270px; }
  .reviews-cta { margin-top: 28px !important; }

  .roadmap-step { grid-template-columns: 1fr; gap: 10px; padding: 30px 0; }
  .roadmap-step > a { grid-column: 1; margin-top: 8px; }
  .all-courses { align-items: flex-start; flex-direction: column; }

  .channel-list a { grid-template-columns: 48px 1fr 20px; gap: 12px; }
  .channel-list a:hover { padding-left: 10px; padding-right: 10px; }
  .about-photo span { right: -8px; }

  .work-item { grid-template-columns: 52px 1fr; gap: 16px; }
  .work-index { display: none; }
  .work-icon { width: 42px; height: 42px; }

  .business-services { grid-template-columns: 1fr; }
  .partner-logo { min-height: 180px; }
  .collaboration-card { padding: 20px; }
  .inquiry-form, .inquiry-intro { padding: 26px 20px; }
  .form-grid, .inquiry-type-grid { grid-template-columns: 1fr; }
  .form-grid { gap: 20px; }
  .inquiry-types { margin: 28px 0; }
  .inquiry-type-grid span { justify-content: flex-start; min-height: 46px; }
  .form-submit-row { align-items: stretch; flex-direction: column; }
  .inquiry-submit { width: 100%; }

  .faq-list { margin-left: 0; }
  .faq summary { font-size: 1rem; }
  .faq details p { padding-right: 10px; }

  .contact { min-height: 680px; }
  .contact h2 { font-size: clamp(2.8rem, 12vw, 4.5rem); }
  .contact-actions { align-items: stretch; flex-direction: column; width: min(100%, 360px); }
  .contact-actions .button { width: 100%; }
  .button-light { box-shadow: 6px 6px 0 var(--ink); }
  .contact-footer { padding-top: 66px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
