.isd-page {
  --isd-ink: #17324f;
  --isd-muted: #64748b;
  --isd-paper: #fbfaf7;
  --isd-cream: #f4efe7;
  --isd-line: #dbe3e9;
  --isd-mint: #dfeee8;
  --isd-white: #fff;
  color: var(--isd-ink);
  font-family: Inter, "Noto Sans KR", "Malgun Gothic", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  margin: 0 calc(50% - 50vw);
  overflow: hidden;
}
.isd-page *, .isd-page *::before, .isd-page *::after { box-sizing: border-box; }
.isd-page h1, .isd-page h2, .isd-page h3, .isd-page h4, .isd-page p { margin-top: 0; }
.isd-page button, .isd-page select, .isd-page input, .isd-page textarea { font: inherit; }
.isd-page a { text-decoration: none; }
.isd-hero, .isd-level-section, .isd-fee-content, .isd-fee-notes, .isd-status-bar, .isd-facts, .isd-cta-band, .isd-fees-hero { width: min(1180px, calc(100% - 40px)); margin-left: auto; margin-right: auto; }
.isd-eyebrow, .isd-section-heading span, .isd-results-head span, .isd-fee-notes > div > span, .isd-dialog > form > span { color: var(--isd-accent); font-size: 12px; font-weight: 800; letter-spacing: .17em; }
.isd-btn { align-items: center; border: 1px solid transparent; border-radius: 999px; cursor: pointer; display: inline-flex; font-weight: 800; justify-content: center; min-height: 48px; padding: 11px 22px; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.isd-btn:hover { transform: translateY(-2px); }
.isd-btn.is-primary { background: var(--isd-accent); box-shadow: 0 10px 24px color-mix(in srgb, var(--isd-accent) 28%, transparent); color: #fff; }
.isd-btn.is-secondary { background: #fff; border-color: #cbd5df; color: var(--isd-navy); }
.isd-btn.is-light { background: #fff; color: var(--isd-navy); }
.isd-btn.is-outline-light { border-color: rgba(255,255,255,.55); color: #fff; }

.isd-hero-curriculum { align-items: center; display: grid; gap: 70px; grid-template-columns: .95fr 1.05fr; min-height: 590px; padding: 82px 0 64px; position: relative; }
.isd-hero-curriculum::before { background: radial-gradient(circle, color-mix(in srgb, var(--isd-accent) 14%, transparent), transparent 67%); content: ""; height: 620px; left: -330px; position: absolute; top: -180px; width: 620px; z-index: -1; }
.isd-hero-copy h1, .isd-fees-hero h1 { color: var(--isd-navy); font-family: Georgia, "Noto Serif KR", serif; font-size: clamp(48px, 6.2vw, 78px); letter-spacing: -.055em; line-height: .98; margin: 18px 0 25px; }
.isd-hero-copy h1 em, .isd-fees-hero h1 em { color: var(--isd-accent); font-weight: 400; }
.isd-hero-copy > p, .isd-fees-hero > div > p { color: var(--isd-muted); font-size: 18px; max-width: 600px; }
.isd-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.isd-path-visual { aspect-ratio: 1.12; background: linear-gradient(145deg, #eef5f2, #e4eee9); border-radius: 50% 50% 47% 53% / 45% 55% 45% 55%; box-shadow: inset 0 0 0 1px rgba(23,58,94,.06); position: relative; }
.isd-path-visual::before { background: var(--isd-accent); border-radius: 48% 52% 62% 38%; content: ""; height: 135px; opacity: .88; position: absolute; right: 11%; top: 8%; transform: rotate(18deg); width: 105px; }
.isd-path-line { border-left: 2px dashed rgba(23,58,94,.24); height: 70%; left: 50%; position: absolute; top: 15%; transform: rotate(37deg); }
.isd-path-dot { align-items: center; background: #fff; border: 1px solid rgba(23,58,94,.08); border-radius: 50%; box-shadow: 0 16px 35px rgba(23,58,94,.13); display: flex; flex-direction: column; height: 108px; justify-content: center; position: absolute; width: 108px; }
.isd-path-dot b { color: var(--isd-navy); font-family: Georgia, serif; font-size: 34px; line-height: 1; }
.isd-path-dot small { color: var(--isd-muted); font-size: 9px; font-weight: 800; letter-spacing: .12em; margin-top: 6px; }
.isd-path-dot.dot-1 { bottom: 14%; left: 9%; }.isd-path-dot.dot-2 { bottom: 32%; left: 35%; }.isd-path-dot.dot-3 { right: 24%; top: 25%; }.isd-path-dot.dot-4 { right: 4%; top: 4%; }

.isd-status-bar { align-items: center; background: var(--isd-navy); border-radius: 18px; color: #fff; display: flex; justify-content: space-between; margin-bottom: 28px; padding: 16px 22px; }
.isd-status-bar > div { align-items: center; display: flex; gap: 12px; }
.isd-status-bar strong { font-size: 14px; }.isd-status-bar small { color: rgba(255,255,255,.67); }.isd-status-bar a { background: rgba(255,255,255,.12); border-radius: 999px; color: #fff; font-size: 13px; font-weight: 800; padding: 8px 14px; }
.isd-status-dot { background: #64d19b; border: 4px solid rgba(255,255,255,.12); border-radius: 50%; height: 14px; width: 14px; }

.isd-facts { display: grid; gap: 12px; grid-template-columns: repeat(4, 1fr); padding: 10px 0 74px; }
.isd-facts article { border-bottom: 1px solid var(--isd-line); padding: 18px 4px 20px; }
.isd-facts article > span { color: var(--isd-accent); display: block; font-size: 10px; font-weight: 800; letter-spacing: .14em; }
.isd-facts strong { color: var(--isd-navy); display: block; font-family: Georgia, serif; font-size: 37px; line-height: 1.25; }.isd-facts strong small { font-family: inherit; font-size: 16px; }.isd-facts article > small { color: var(--isd-muted); font-size: 12px; }

.isd-level-section { padding: 20px 0 90px; }
.isd-section-heading, .isd-results-head { align-items: flex-end; display: flex; justify-content: space-between; margin-bottom: 32px; }
.isd-section-heading h2, .isd-results-head h2, .isd-fee-notes h2 { color: var(--isd-navy); font-family: Georgia, "Noto Serif KR", serif; font-size: clamp(32px, 4vw, 48px); letter-spacing: -.035em; margin: 8px 0 0; }
.isd-section-heading p { color: var(--isd-muted); margin-bottom: 6px; max-width: 420px; }
.isd-level-switcher { border-bottom: 1px solid var(--isd-line); display: grid; grid-template-columns: repeat(4, 1fr); margin-bottom: 32px; }
.isd-level-switcher button { background: none; border: 0; border-bottom: 3px solid transparent; color: #93a1af; cursor: pointer; font-family: Georgia, serif; font-size: 30px; padding: 14px; }.isd-level-switcher button small { display: block; font-family: Inter, sans-serif; font-size: 9px; font-weight: 800; letter-spacing: .15em; }.isd-level-switcher button.is-active { border-color: var(--isd-accent); color: var(--isd-navy); }
.isd-level-panel { animation: isd-fade .3s ease; display: grid; gap: 25px; grid-template-columns: 1.55fr .85fr; }
@keyframes isd-fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.isd-level-summary { background: var(--isd-paper); border: 1px solid var(--isd-line); border-radius: 24px; min-height: 390px; overflow: hidden; padding: 38px; position: relative; }
.isd-level-number { color: rgba(23,58,94,.055); font-family: Georgia, serif; font-size: 185px; line-height: 1; position: absolute; right: 20px; top: -25px; }
.isd-level-kicker { color: var(--isd-accent); font-size: 11px; font-weight: 800; letter-spacing: .15em; position: relative; }
.isd-level-summary h3 { color: var(--isd-navy); font-family: Georgia, "Noto Serif KR", serif; font-size: 38px; letter-spacing: -.03em; margin: 9px 0 14px; position: relative; }
.isd-richtext { color: var(--isd-muted); max-width: 600px; position: relative; }
.isd-operation { border-top: 1px solid var(--isd-line); display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 35px; padding-top: 23px; position: relative; }
.isd-operation span { border-right: 1px solid var(--isd-line); padding: 0 15px; }.isd-operation span:first-child { padding-left: 0; }.isd-operation span:last-child { border: 0; }.isd-operation small { color: #94a3b8; display: block; font-size: 9px; font-weight: 800; letter-spacing: .12em; }.isd-operation b { color: var(--isd-navy); font-size: 13px; }
.isd-outcome-card { background: var(--isd-navy); border-radius: 24px; color: #fff; padding: 36px; }.isd-outcome-card > span { color: #9fc7ba; font-size: 10px; font-weight: 800; letter-spacing: .14em; }.isd-outcome-card h4 { color: #fff; font-family: Georgia, "Noto Serif KR", serif; font-size: 28px; margin: 8px 0 22px; }.isd-outcome-card ul { list-style: none; margin: 0; padding: 0; }.isd-outcome-card li { border-bottom: 1px solid rgba(255,255,255,.11); padding: 10px 0 10px 22px; position: relative; }.isd-outcome-card li::before { color: var(--isd-accent); content: "✓"; left: 0; position: absolute; }.isd-outcome-card a { color: #fff; display: inline-flex; font-size: 13px; font-weight: 800; gap: 10px; margin-top: 24px; }
.isd-locked-callout { align-items: center; background: var(--isd-cream); border-radius: 18px; display: grid; gap: 20px; grid-template-columns: auto 1fr auto; margin-top: 24px; padding: 22px 26px; }.isd-locked-callout > span { color: var(--isd-accent); font-size: 10px; font-weight: 800; letter-spacing: .13em; }.isd-locked-callout strong { display: block; }.isd-locked-callout p { color: var(--isd-muted); font-size: 13px; margin: 2px 0 0; }.isd-locked-callout a { background: #fff; border-radius: 999px; color: var(--isd-navy); font-size: 13px; font-weight: 800; padding: 10px 17px; }
.isd-cta-band { align-items: center; background: var(--isd-accent); border-radius: 28px; color: #fff; display: flex; justify-content: space-between; margin-bottom: 90px; padding: 46px 50px; }.isd-cta-band span { font-size: 10px; font-weight: 800; letter-spacing: .16em; }.isd-cta-band h2 { color: #fff; font-family: Georgia, "Noto Serif KR", serif; font-size: 36px; margin: 8px 0; }.isd-cta-band p { margin-bottom: 0; opacity: .83; }.isd-cta-band > div:last-child { display: flex; gap: 10px; }

.isd-fees-page { background: var(--isd-paper); padding-bottom: 1px; }
.isd-fees-hero { align-items: end; display: grid; gap: 40px; grid-template-columns: 1fr 330px; padding: 82px 0 52px; }
.isd-fees-hero h1 { font-size: clamp(46px, 5.4vw, 72px); }.isd-fees-hero > div > p { margin-bottom: 0; }
.isd-currency-box { background: #fff; border: 1px solid var(--isd-line); border-radius: 20px; box-shadow: 0 18px 45px rgba(23,58,94,.08); padding: 23px; }.isd-currency-box label { color: var(--isd-muted); display: block; font-size: 10px; font-weight: 800; letter-spacing: .14em; }.isd-currency-box select { background: #fff; border: 0; border-bottom: 1px solid var(--isd-line); color: var(--isd-navy); font-size: 18px; font-weight: 800; margin: 6px 0 9px; padding: 8px 4px 8px 0; width: 100%; }.isd-currency-box small { color: var(--isd-muted); font-size: 11px; }
.isd-fee-content { align-items: start; display: grid; gap: 34px; grid-template-columns: 255px 1fr; padding: 38px 0 90px; }
.isd-filter-panel { background: #fff; border: 1px solid var(--isd-line); border-radius: 20px; padding: 24px; position: sticky; top: 24px; }.isd-filter-panel > span { color: var(--isd-accent); font-size: 9px; font-weight: 800; letter-spacing: .14em; }.isd-filter-panel h2 { color: var(--isd-navy); font-family: Georgia, "Noto Serif KR", serif; font-size: 25px; margin: 5px 0 22px; }.isd-filter-panel label { color: var(--isd-muted); display: block; font-size: 12px; font-weight: 700; margin: 13px 0; }.isd-filter-panel select { background: #f8fafc; border: 1px solid var(--isd-line); border-radius: 10px; color: var(--isd-navy); display: block; margin-top: 6px; padding: 11px; width: 100%; }.isd-filter-panel > button { background: none; border: 0; color: var(--isd-muted); cursor: pointer; font-size: 12px; text-decoration: underline; }
.isd-filter-help { background: var(--isd-cream); border-radius: 15px; margin-top: 25px; padding: 17px; }.isd-filter-help strong { font-size: 13px; }.isd-filter-help p { color: var(--isd-muted); font-size: 11px; margin: 5px 0 12px; }.isd-filter-help button { background: var(--isd-navy); border: 0; border-radius: 999px; color: #fff; cursor: pointer; font-size: 11px; font-weight: 800; padding: 8px 13px; }
.isd-results-head { align-items: center; margin-bottom: 22px; }.isd-results-head h2 { font-size: 36px; }.isd-results-head > strong { color: var(--isd-muted); font-size: 12px; }.isd-results-head > strong b { color: var(--isd-accent); font-family: Georgia, serif; font-size: 30px; margin-right: 5px; }
.isd-plan-grid { display: grid; gap: 18px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.isd-plan-card { background: #fff; border: 1px solid var(--isd-line); border-radius: 22px; box-shadow: 0 10px 30px rgba(23,58,94,.045); min-width: 0; overflow: hidden; padding: 25px; position: relative; transition: transform .2s ease, box-shadow .2s ease; }.isd-plan-card:hover { box-shadow: 0 18px 40px rgba(23,58,94,.1); transform: translateY(-3px); }.isd-plan-card.is-featured { border: 2px solid var(--isd-accent); }.isd-plan-ribbon { background: var(--isd-accent); border-radius: 0 0 0 12px; color: #fff; font-size: 9px; font-weight: 800; letter-spacing: .1em; padding: 7px 11px; position: absolute; right: 0; top: 0; }
.isd-plan-category { color: var(--isd-accent); display: inline-block; font-size: 9px; font-weight: 800; letter-spacing: .14em; }.isd-mode-badge { background: var(--isd-mint); border-radius: 999px; color: #356759; float: right; font-size: 10px; font-weight: 800; padding: 4px 9px; }.isd-plan-top h3 { clear: both; color: var(--isd-navy); font-family: Georgia, "Noto Serif KR", serif; font-size: 26px; letter-spacing: -.025em; margin: 18px 0 3px; }.isd-plan-top p { color: var(--isd-muted); font-size: 12px; margin-bottom: 19px; }
.isd-plan-specs { border-bottom: 1px solid var(--isd-line); border-top: 1px solid var(--isd-line); display: grid; grid-template-columns: repeat(4, 1fr); padding: 14px 0; }.isd-plan-specs span { border-right: 1px solid var(--isd-line); padding: 0 6px; }.isd-plan-specs span:first-child { padding-left: 0; }.isd-plan-specs span:last-child { border: 0; }.isd-plan-specs small { color: #94a3b8; display: block; font-size: 7px; font-weight: 800; letter-spacing: .08em; }.isd-plan-specs b { font-size: 11px; white-space: nowrap; }
.isd-price-area { padding: 20px 0 13px; }.isd-price-label { color: var(--isd-muted); display: block; font-size: 9px; font-weight: 800; letter-spacing: .12em; }.isd-live-price { color: var(--isd-navy); display: block; font-family: Georgia, serif; font-size: 34px; line-height: 1.25; margin-top: 3px; }.isd-price-status { color: var(--isd-muted); display: block; font-size: 10px; }.isd-member-saving { background: #fff4e9; border-radius: 999px; color: #b45131; display: inline-flex; font-size: 10px; font-weight: 800; margin-top: 8px; padding: 5px 9px; }
.isd-extra-fee { color: var(--isd-muted); display: flex; font-size: 10px; justify-content: space-between; }.isd-extra-fee b { color: var(--isd-navy); }.isd-plan-actions { display: grid; gap: 8px; grid-template-columns: 1fr 1fr; margin-top: 18px; }.isd-plan-actions form, .isd-plan-actions .isd-btn { width: 100%; }.isd-plan-actions .isd-btn { min-height: 43px; padding: 8px 12px; }.isd-plan-actions .is-pay:disabled { background: #cbd5df; box-shadow: none; cursor: not-allowed; }
.isd-plan-lock { align-items: center; display: flex; flex-direction: column; min-height: 214px; justify-content: center; text-align: center; }.isd-plan-lock > span { color: var(--isd-accent); font-size: 9px; font-weight: 800; letter-spacing: .14em; }.isd-plan-lock strong { font-family: Georgia, "Noto Serif KR", serif; font-size: 21px; margin: 6px 0; }.isd-plan-lock p { color: var(--isd-muted); font-size: 12px; }.isd-plan-lock a { background: var(--isd-navy); border-radius: 999px; color: #fff; font-size: 12px; font-weight: 800; padding: 9px 15px; }
.isd-fee-notes { align-items: start; border-top: 1px solid var(--isd-line); display: grid; gap: 60px; grid-template-columns: 1fr 1.25fr; margin-bottom: 90px; padding: 48px 0; }.isd-fee-notes h2 { font-size: 36px; }.isd-fee-notes ul { color: var(--isd-muted); list-style: none; margin: 0; padding: 0; }.isd-fee-notes li { border-bottom: 1px solid var(--isd-line); padding: 10px 0 10px 24px; position: relative; }.isd-fee-notes li::before { color: var(--isd-accent); content: "•"; left: 6px; position: absolute; }
.isd-empty { background: var(--isd-cream); border-radius: 16px; color: var(--isd-muted); padding: 30px; text-align: center; }

.isd-dialog { border: 0; border-radius: 24px; box-shadow: 0 28px 80px rgba(8,24,42,.3); color: var(--isd-ink); max-height: min(90vh, 760px); max-width: 650px; padding: 0; width: calc(100% - 30px); }.isd-dialog::backdrop { backdrop-filter: blur(4px); background: rgba(11,32,53,.58); }.isd-dialog form { padding: 38px; position: relative; }.isd-dialog-close { background: #f1f5f9; border: 0; border-radius: 50%; color: var(--isd-navy); cursor: pointer; font-size: 25px; height: 38px; line-height: 1; position: absolute; right: 20px; top: 20px; width: 38px; }.isd-dialog h2 { color: var(--isd-navy); font-family: Georgia, "Noto Serif KR", serif; font-size: 34px; margin: 7px 0; }.isd-dialog p { color: var(--isd-muted); }.isd-form-grid { display: grid; gap: 13px; grid-template-columns: 1fr 1fr; }.isd-dialog label { color: var(--isd-muted); display: block; font-size: 11px; font-weight: 800; margin: 12px 0; }.isd-dialog input:not([type="checkbox"]), .isd-dialog select, .isd-dialog textarea { background: #f8fafc; border: 1px solid var(--isd-line); border-radius: 10px; color: var(--isd-navy); display: block; margin-top: 5px; padding: 11px 12px; width: 100%; }.isd-dialog .isd-consent { align-items: flex-start; display: flex; gap: 8px; font-weight: 500; }.isd-dialog .isd-consent input { margin-top: 3px; }.isd-dialog > form > .isd-btn { width: 100%; }.isd-whatsapp-link { color: #237d58; display: block; font-size: 12px; font-weight: 800; margin-top: 13px; text-align: center; }
.isd-cart-course { color: #64748b; display: block; font-size: 11px; font-weight: 400; }
.isd-submit-notice { background: #e5f5ed; border: 1px solid #a7d9c0; border-radius: 14px; color: #245b45; font-weight: 800; margin: 18px auto; max-width: 1180px; padding: 14px 18px; width: calc(100% - 40px); }
.isd-submit-notice.is-warning { background: #fff4df; border-color: #efd09a; color: #7a5315; }

@media (max-width: 920px) {
  .isd-hero-curriculum, .isd-fees-hero { grid-template-columns: 1fr; }
  .isd-path-visual { margin: 0 auto; max-width: 560px; width: 100%; }
  .isd-fee-content { grid-template-columns: 1fr; }
  .isd-filter-panel { display: grid; gap: 10px; grid-template-columns: 1fr 1fr; position: static; }.isd-filter-panel > span, .isd-filter-panel h2, .isd-filter-help { grid-column: 1 / -1; }.isd-filter-panel label { margin: 0; }
  .isd-level-panel { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .isd-hero, .isd-level-section, .isd-fee-content, .isd-fee-notes, .isd-status-bar, .isd-facts, .isd-cta-band, .isd-fees-hero { width: min(100% - 24px, 1180px); }
  .isd-hero-curriculum { gap: 35px; min-height: 0; padding: 55px 0 40px; }.isd-hero-copy h1, .isd-fees-hero h1 { font-size: 47px; }.isd-hero-copy > p, .isd-fees-hero > div > p { font-size: 15px; }
  .isd-path-dot { height: 82px; width: 82px; }.isd-path-dot b { font-size: 26px; }.isd-path-dot small { font-size: 7px; }
  .isd-status-bar { align-items: flex-start; flex-direction: column; }.isd-status-bar > div { align-items: flex-start; flex-wrap: wrap; }.isd-status-bar small { display: block; flex-basis: 100%; margin-left: 26px; }
  .isd-facts { grid-template-columns: 1fr 1fr; padding-bottom: 48px; }
  .isd-section-heading, .isd-results-head { align-items: flex-start; flex-direction: column; }.isd-section-heading h2 { font-size: 34px; }.isd-section-heading p { margin-top: 12px; }
  .isd-level-switcher { gap: 6px; overflow-x: auto; }.isd-level-switcher button { font-size: 22px; min-width: 76px; }
  .isd-level-summary { padding: 26px 22px; }.isd-level-summary h3 { font-size: 30px; }.isd-level-number { font-size: 130px; }.isd-operation { grid-template-columns: 1fr 1fr; }.isd-operation span { border-bottom: 1px solid var(--isd-line); padding: 10px; }.isd-operation span:nth-child(2) { border-right: 0; }.isd-operation span:nth-child(3), .isd-operation span:nth-child(4) { border-bottom: 0; }
  .isd-outcome-card { padding: 27px 23px; }.isd-locked-callout { grid-template-columns: 1fr; }
  .isd-cta-band { align-items: flex-start; flex-direction: column; gap: 24px; padding: 31px 25px; }.isd-cta-band h2 { font-size: 29px; }.isd-cta-band > div:last-child { width: 100%; }.isd-cta-band .isd-btn { flex: 1; padding-left: 10px; padding-right: 10px; }
  .isd-fees-hero { padding: 55px 0 32px; }.isd-currency-box { width: 100%; }
  .isd-filter-panel { grid-template-columns: 1fr; }.isd-filter-panel > span, .isd-filter-panel h2, .isd-filter-help { grid-column: auto; }
  .isd-plan-grid { grid-template-columns: 1fr; }.isd-plan-card { padding: 22px; }
  .isd-fee-notes { gap: 15px; grid-template-columns: 1fr; }
  .isd-form-grid { grid-template-columns: 1fr; }.isd-dialog form { padding: 30px 20px 24px; }
}
@media (prefers-reduced-motion: reduce) { .isd-page *, .isd-page *::before, .isd-page *::after { animation-duration: .01ms !important; scroll-behavior: auto !important; transition-duration: .01ms !important; } }