:root {
  --bg: #f6f8fb;
  --bg-soft: #eef3fa;
  --card: #ffffff;
  --card-soft: #f9fbff;
  --line: #e4ebf4;
  --line-strong: #cfdae9;
  --text: #121926;
  --muted: #617187;
  --accent: #2155ff;
  --accent-strong: #1739b3;
  --accent-soft: #edf2ff;
  --navy: #0b1325;
  --navy-strong: #08101d;
  --navy-soft: #12213f;
  --gold: #d8a85d;
  --gold-soft: #f1e2c4;
  --success-soft: #e8f7ec;
  --shadow: 0 18px 48px rgba(8, 16, 29, 0.08);
  --radius: 28px;
  --radius-sm: 18px;
  --font: "Pretendard", "SUIT", "Noto Sans KR", "Apple SD Gothic Neo", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.72;
  letter-spacing: -0.02em;
}

img { display: block; max-width: 100%; }
button, a { font: inherit; }
button { cursor: pointer; }

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

.skip-link {
  position: absolute;
  left: 12px;
  top: -40px;
  padding: 10px 14px;
  background: var(--navy);
  color: #fff;
  border-radius: 12px;
  z-index: 1000;
}
.skip-link:focus { top: 12px; }

.container {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.78);
}
.eyebrow.dark { color: var(--accent-strong); }

.section { padding: 104px 0; }
.section-soft { background: linear-gradient(180deg, #f1f5fb 0%, #eef3fa 100%); }

.section-head {
  max-width: 720px;
  margin-bottom: 40px;
}
.section-head h2 {
  margin: 0 0 14px;
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.04em;
}
.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(228, 235, 244, 0.9);
}

.header-inner {
  min-height: 86px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 30px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}
.brand-logo {
  width: 54px;
  height: 54px;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 8px 18px rgba(9, 13, 24, 0.1);
}
.brand-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.brand-copy strong {
  font-size: 18px;
  font-weight: 900;
}
.brand-copy small {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.brand,
.nav-link,
.mega-toggle {
  position: relative;
  z-index: 2;
}

.brand {
  padding: 8px 12px;
  margin: -8px -12px;
  border-radius: 18px;
  transition: background 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
}
.brand:hover,
.brand:focus-visible {
  background: rgba(33, 85, 255, 0.06);
  box-shadow: 0 10px 24px rgba(8, 16, 29, 0.08);
}

.home-link {
  padding-inline: 14px;
  min-height: 44px;
  border-radius: 14px;
}

.desktop-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
}
.nav-link,
.mega-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 0;
  color: var(--text);
  background: none;
  border: 0;
  font-weight: 700;
  font-size: 16px;
}
.nav-link::after,
.mega-toggle::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  transition: width 0.25s ease;
}
.nav-link:hover::after,
.nav-link:focus-visible::after,
.mega-toggle:hover::after,
.mega-toggle:focus-visible::after,
.nav-courses:hover .mega-toggle::after,
.nav-courses:focus-within .mega-toggle::after {
  width: 100%;
}
.nav-link:hover,
.nav-link:focus-visible,
.mega-toggle:hover,
.mega-toggle:focus-visible {
  color: var(--accent-strong);
}
.mega-toggle svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

.nav-courses {
  position: relative;
}

.mega-menu {
  position: absolute;
  top: calc(100% + 18px);
  left: 50%;
  transform: translate(-50%, 12px);
  width: min(1120px, calc(100vw - 28px));
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: 0 28px 60px rgba(8, 16, 29, 0.15);
  padding: 28px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
}
.nav-courses:hover .mega-menu,
.nav-courses:focus-within .mega-menu,
.nav-courses.open .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.mega-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}
.mega-head h2 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: -0.04em;
}
.mega-head p:last-child {
  margin: 0;
  max-width: 360px;
  color: var(--muted);
  font-size: 15px;
}

.mega-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding-top: 20px;
}
.mega-group {
  min-width: 0;
}
.mega-group h3 {
  margin: 0 0 14px;
  padding-left: 6px;
  font-size: 15px;
  color: var(--text);
}
.mega-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mega-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 13px 14px;
  border: 1px solid transparent;
  border-radius: 18px;
  background: var(--card-soft);
  text-align: left;
  color: var(--text);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}
.mega-item:hover,
.mega-item:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(33, 85, 255, 0.22);
  box-shadow: 0 14px 28px rgba(23, 57, 179, 0.08);
  background: #fff;
}
.mega-item .item-title {
  display: block;
  font-size: 14px;
  font-weight: 800;
}
.mega-item .item-meta {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, color 0.22s ease, border-color 0.22s ease;
}
.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}
.btn-sm {
  min-height: 42px;
  padding: 0 18px;
  font-size: 14px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  box-shadow: 0 14px 30px rgba(33, 85, 255, 0.22);
}
.btn-primary:hover,
.btn-primary:focus-visible {
  box-shadow: 0 18px 34px rgba(33, 85, 255, 0.28);
}
.btn-secondary {
  background: #fff;
  color: var(--text);
  border-color: var(--line-strong);
}
.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: rgba(33, 85, 255, 0.28);
  box-shadow: var(--shadow);
}
.btn-text {
  color: var(--accent-strong);
  padding: 0;
  min-height: auto;
  font-weight: 800;
  background: none;
}
.btn-text:hover,
.btn-text:focus-visible {
  color: var(--accent);
  transform: none;
}

.mobile-toggle,
.mobile-close,
.mobile-overlay,
.mobile-accordion-toggle {
  background: none;
  border: 0;
}
.mobile-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}
.mobile-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
}
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 60;
}
.mobile-menu-inner {
  position: absolute;
  top: 0;
  right: 0;
  width: min(92vw, 380px);
  height: 100%;
  background: #fff;
  padding: 20px;
  box-shadow: -24px 0 48px rgba(8, 16, 29, 0.14);
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.mobile-overlay {
  position: absolute;
  inset: 0;
  background: rgba(5, 10, 18, 0.45);
}
.mobile-menu-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.mobile-menu-head strong {
  font-size: 18px;
}
.mobile-close {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--card-soft);
  font-size: 28px;
}
.mobile-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.mobile-links > a,
.mobile-accordion-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 50px;
  padding: 0 16px;
  border-radius: 16px;
  background: var(--card-soft);
  color: var(--text);
  font-weight: 700;
}
.mobile-courses {
  display: grid;
  gap: 10px;
  padding: 6px 4px 0;
}
.mobile-course {
  display: grid;
  grid-template-columns: 42px 1fr;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--line);
  text-align: left;
  box-shadow: 0 12px 22px rgba(8, 16, 29, 0.06);
}
.mobile-course strong {
  font-size: 14px;
}
.mobile-course span {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 15%, rgba(33, 85, 255, 0.2), transparent 28%),
    radial-gradient(circle at 80% 20%, rgba(130, 89, 255, 0.18), transparent 22%),
    linear-gradient(135deg, #09111f 0%, #0f1b34 55%, #122a52 100%);
  color: #fff;
  padding: 116px 0 158px;
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
  opacity: 0.7;
}
.hero-glow-one {
  width: 320px;
  height: 320px;
  background: rgba(33, 85, 255, 0.18);
  top: -100px;
  left: -80px;
}
.hero-glow-two {
  width: 300px;
  height: 300px;
  background: rgba(216, 168, 93, 0.16);
  right: -40px;
  bottom: 30px;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 520px);
  gap: 56px;
  align-items: center;
}
.hero-copy h1 {
  margin: 0 0 18px;
  font-size: clamp(42px, 6vw, 68px);
  line-height: 1.08;
  letter-spacing: -0.06em;
}
.hero-lead {
  max-width: 690px;
  margin: 0 0 26px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 19px;
}
.hero-hook {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 620px;
  margin-bottom: 28px;
  padding: 20px 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(8px);
}
.hero-hook span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.66);
}
.hero-hook strong {
  min-height: 36px;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.03em;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}
.hero-points {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.hero-points li {
  position: relative;
  padding-left: 26px;
  color: rgba(255, 255, 255, 0.8);
}
.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), #fff0ca);
  box-shadow: 0 0 0 6px rgba(216, 168, 93, 0.15);
}

.hero-visual {
  min-width: 0;
}
.hero-visual-card {
  position: relative;
  padding: 18px;
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 30px 60px rgba(4, 10, 20, 0.28);
  backdrop-filter: blur(14px);
}
.hero-visual-card img {
  width: 100%;
  border-radius: 28px;
}
.hero-visual-caption {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 16px;
  padding: 0 6px;
}
.hero-visual-caption strong {
  font-size: 18px;
}
.hero-visual-caption span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
}

.quick-menu-wrap {
  position: relative;
  z-index: 3;
  margin-top: -86px;
}
.quick-menu {
  display: grid;
  grid-template-columns: 170px 1fr;
  border-radius: 32px;
  overflow: hidden;
  border: 1px solid rgba(10, 12, 19, 0.1);
  background: #090c12;
  box-shadow: 0 30px 60px rgba(9, 12, 18, 0.28);
}
.quick-label {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0;
  min-height: 150px;
  padding: 20px;
  background: linear-gradient(135deg, #c9964a 0%, #edcb8b 100%);
  color: #111;
  text-align: center;
  letter-spacing: 0.03em;
}
.quick-label span {
  font-size: 20px;
  font-weight: 900;
}
.quick-label strong {
  font-size: 32px;
  line-height: 1;
  font-weight: 900;
}
.quick-list {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
}
.quick-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  justify-content: center;
  padding: 24px 12px;
  background: transparent;
  border: 0;
  color: rgba(255, 255, 255, 0.9);
  transition: background 0.22s ease, transform 0.22s ease;
}
.quick-item:hover,
.quick-item:focus-visible {
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-4px);
}
.quick-item.active {
  background: linear-gradient(180deg, rgba(33, 85, 255, 0.16), rgba(33, 85, 255, 0.06));
}
.quick-item::after {
  content: "";
  position: absolute;
  right: 0;
  top: 24px;
  bottom: 24px;
  width: 1px;
  background: rgba(255, 255, 255, 0.08);
}
.quick-item:last-child::after { display: none; }
.quick-item span {
  font-size: 14px;
  font-weight: 700;
  text-align: center;
  line-height: 1.4;
}

.icon-badge,
.info-icon,
.process-icon,
.detail-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 18px;
  background: var(--accent-soft);
  color: var(--accent-strong);
}
.icon-badge svg,
.info-icon svg,
.process-icon svg,
.detail-icon svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 1.9;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.quick-item .icon-badge {
  width: 54px;
  height: 54px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}
.mega-item .icon-badge {
  background: linear-gradient(180deg, #f4f7ff, #eef3ff);
}

.section-detail {
  padding-top: 94px;
}
.detail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}
.back-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  background: none;
  border: 0;
  color: var(--muted);
  font-weight: 800;
}
.back-chip svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}
.back-chip:hover,
.back-chip:focus-visible {
  color: var(--accent-strong);
}
.course-track {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 14px;
  font-weight: 800;
}
.detail-shell {
  position: relative;
}
.detail-main {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.detail-title-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: start;
}
.detail-icon {
  width: 64px;
  height: 64px;
  border-radius: 22px;
}
.detail-title-row h2 {
  margin: 0 0 10px;
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.05em;
}
.detail-summary {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}
.detail-card {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.85fr);
  gap: 24px;
}
.detail-copy,
.detail-side {
  display: grid;
  gap: 18px;
}
.detail-copy-block,
.side-card {
  padding: 32px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.detail-copy-block h3,
.side-card h3 {
  margin: 0 0 16px;
  font-size: 22px;
}
.detail-copy-block p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 16px;
}
.detail-copy-block p:last-child { margin-bottom: 0; }

.check-list,
.result-list,
.format-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.check-list li,
.result-list li,
.format-list li {
  position: relative;
  padding-left: 32px;
  color: var(--text);
}
.check-list li::before,
.result-list li::before,
.format-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 0 0 6px rgba(33, 85, 255, 0.08);
}
.check-list li::after,
.result-list li::after,
.format-list li::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 15px;
  width: 5px;
  height: 3px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag-list span {
  display: inline-flex;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--card-soft);
  border: 1px solid var(--line);
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}
.side-cta {
  background: linear-gradient(180deg, #f9fbff, #f0f5ff);
}
.side-cta p {
  margin: 0 0 18px;
  color: var(--muted);
}

.detail-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.nav-course {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--text);
  font-weight: 800;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.nav-course svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}
.nav-course:hover,
.nav-course:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(33, 85, 255, 0.25);
  box-shadow: 0 16px 34px rgba(8, 16, 29, 0.08);
}

.audience-grid,
.process-grid {
  display: grid;
  gap: 20px;
}
.audience-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.process-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.info-card,
.process-card {
  padding: 32px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.info-card:hover,
.process-card:hover {
  transform: translateY(-6px);
  border-color: rgba(33, 85, 255, 0.18);
  box-shadow: 0 24px 46px rgba(8, 16, 29, 0.1);
}
.info-card h3,
.process-card h3 {
  margin: 18px 0 10px;
  font-size: 21px;
}
.info-card p,
.process-card p {
  margin: 0;
  color: var(--muted);
}

.soft-blue { background: #eef3ff; color: #2155ff; }
.soft-purple { background: #f2efff; color: #6f46ff; }
.soft-gold { background: #fdf3e0; color: #b07a1e; }
.soft-green { background: #eaf8ee; color: #187d3e; }

.process-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.process-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--card-soft);
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 900;
}
.process-icon {
  width: 52px;
  height: 52px;
  border-radius: 18px;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: 24px;
  padding: 34px;
  border-radius: 36px;
  background: linear-gradient(145deg, #ffffff 0%, #f6f9ff 100%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.contact-copy h2 {
  margin: 0 0 14px;
  font-size: clamp(32px, 4vw, 46px);
  line-height: 1.16;
  letter-spacing: -0.04em;
}
.contact-copy > p {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 17px;
}
.contact-list {
  display: grid;
  gap: 14px;
}
.contact-list div {
  padding: 18px 20px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid var(--line);
}
.contact-list span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}
.contact-list a,
.contact-list p {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
}
.contact-card {
  height: 100%;
  padding: 28px;
  border-radius: 28px;
  background: linear-gradient(180deg, #0f1d37 0%, #0a1428 100%);
  color: #fff;
  box-shadow: 0 24px 46px rgba(9, 13, 24, 0.18);
}
.contact-card h3 {
  margin: 0 0 12px;
  font-size: 26px;
}
.contact-card p {
  margin: 0 0 22px;
  color: rgba(255, 255, 255, 0.76);
}
.contact-card .btn {
  width: 100%;
  margin-bottom: 10px;
}
.contact-card .btn:last-child {
  margin-bottom: 0;
}
.contact-card .btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.14);
}
.contact-card .btn-secondary:hover,
.contact-card .btn-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.14);
}

.site-footer {
  position: relative;
  background: linear-gradient(180deg, #05070b 0%, #0a0e15 100%);
  color: rgba(255, 255, 255, 0.82);
  padding: 72px 0 88px;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(180px, 0.6fr) minmax(220px, 0.7fr);
  gap: 40px;
  align-items: start;
}
.footer-brand {
  max-width: 430px;
}
.footer-logo-card {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 250px;
  min-height: 110px;
  padding: 18px 20px;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.22);
}
.footer-logo-card img {
  width: clamp(180px, 22vw, 240px);
  height: auto;
}
.footer-tagline {
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 18px;
}
.footer-links h3,
.footer-contact h3 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 18px;
}
.footer-links,
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a,
.footer-contact a,
.footer-contact p {
  color: rgba(255, 255, 255, 0.76);
}
.footer-links a:hover,
.footer-contact a:hover {
  color: #fff;
}

.mobile-contact-bar {
  position: fixed;
  left: 50%;
  bottom: 14px;
  z-index: 45;
  display: none;
  gap: 10px;
  transform: translateX(-50%);
  width: min(calc(100vw - 24px), 480px);
  padding: 10px;
  border-radius: 22px;
  background: rgba(10, 14, 21, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 24px 40px rgba(5, 8, 14, 0.28);
}
.mobile-contact-bar a {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 16px;
  font-weight: 800;
}
.mobile-contact-bar a:first-child {
  background: rgba(255,255,255,0.1);
  color: #fff;
}
.mobile-contact-bar a:last-child {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
}

@media (max-width: 1120px) {
  .mega-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .quick-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .quick-menu { grid-template-columns: 160px 1fr; }
  .audience-grid,
  .process-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-visual { max-width: 580px; }
  .hero { padding-bottom: 140px; }
}

@media (max-width: 980px) {
  .desktop-nav { display: none; }
  .mobile-toggle { display: inline-flex; }
  .header-inner {
    grid-template-columns: 1fr auto;
    gap: 18px;
  }
  .header-actions .btn { display: none; }
  .detail-card,
  .contact-panel,
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .section { padding: 82px 0; }
  .container { width: min(100vw - 24px, 100%); }
  .brand-copy small { display: none; }
  .hero {
    padding-top: 96px;
    padding-bottom: 124px;
  }
  .hero-lead { font-size: 17px; }
  .hero-hook { padding: 18px 18px; }
  .hero-hook strong { font-size: 21px; min-height: 52px; }
  .quick-menu-wrap { margin-top: -62px; }
  .quick-menu {
    grid-template-columns: 1fr;
    border-radius: 28px;
  }
  .quick-label {
    min-height: auto;
    padding: 18px;
    flex-direction: row;
    gap: 10px;
  }
  .quick-label span, .quick-label strong {
    font-size: 20px;
  }
  .quick-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .quick-item {
    padding: 18px 10px;
  }
  .quick-item::after {
    display: none;
  }
  .detail-head {
    align-items: flex-start;
    flex-direction: column;
  }
  .detail-title-row {
    grid-template-columns: 1fr;
  }
  .detail-copy-block,
  .side-card,
  .info-card,
  .process-card {
    padding: 24px;
  }
  .audience-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }
  .contact-panel { padding: 22px; }
  .contact-list a,
  .contact-list p { font-size: 17px; }
  .footer-tagline { font-size: 16px; }
  .footer-logo-card { min-width: 0; width: 100%; }
  .mobile-contact-bar { display: flex; }
}

@media (max-width: 520px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .quick-list {
    grid-template-columns: 1fr 1fr;
  }
  .detail-nav {
    flex-direction: column;
  }
  .nav-course { justify-content: center; width: 100%; }
}


/* ===== 2차 개선 오버라이드 ===== */
body {
  background:
    radial-gradient(circle at 12% 0%, rgba(33, 85, 255, 0.12), transparent 18%),
    radial-gradient(circle at 88% 8%, rgba(111, 70, 255, 0.08), transparent 16%),
    linear-gradient(180deg, #07101e 0%, #0b1426 28%, #edf3ff 28%, #f7faff 100%);
}

.section {
  background: linear-gradient(180deg, #f7faff 0%, #eef3fb 100%);
}

.section-soft {
  background: linear-gradient(180deg, #eef4ff 0%, #f8fbff 100%);
}

.hero-visual-caption {
  gap: 10px;
  margin-top: 18px;
  padding: 0 8px 2px;
}

.hero-visual-caption strong {
  font-size: 19px;
  letter-spacing: -0.02em;
}

.hero-visual-caption span {
  max-width: 470px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 17px;
  line-height: 1.65;
  letter-spacing: -0.02em;
  word-break: keep-all;
  overflow-wrap: break-word;
  text-wrap: pretty;
}

.quick-menu-wrap {
  max-height: 880px;
  overflow: hidden;
  transition: max-height 0.48s ease, margin-top 0.38s ease, opacity 0.28s ease, transform 0.38s ease;
}

.quick-menu-wrap.is-collapsed {
  max-height: 0;
  margin-top: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-18px);
}

.quick-menu-wrap.is-collapsed + .section-detail {
  padding-top: 54px;
}

.section-detail {
  position: relative;
  background:
    radial-gradient(circle at 14% 14%, rgba(33, 85, 255, 0.22), transparent 24%),
    radial-gradient(circle at 84% 16%, rgba(111, 70, 255, 0.14), transparent 18%),
    linear-gradient(180deg, #08111f 0%, #10203d 100%);
  padding-top: 94px;
  padding-bottom: 112px;
}

.section-detail::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.22), transparent);
}

.detail-head {
  margin-bottom: 30px;
}

.back-chip {
  color: rgba(255, 255, 255, 0.76);
}

.back-chip:hover,
.back-chip:focus-visible {
  color: #fff;
}

.course-track {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.detail-title-row h2 {
  color: #fff;
}

.detail-summary {
  color: rgba(255, 255, 255, 0.82);
  word-break: keep-all;
  text-wrap: pretty;
}

.detail-copy-block,
.side-card {
  padding: 34px;
}

.detail-copy-block p,
.info-card p,
.process-card p,
.contact-copy > p,
.contact-guide p {
  word-break: keep-all;
  overflow-wrap: break-word;
  text-wrap: pretty;
}

.detail-nav {
  margin-top: 6px;
}

.nav-course {
  background: rgba(255, 255, 255, 0.96);
}

.contact-actions {
  display: grid;
  gap: 18px;
}

.contact-guide {
  padding: 28px;
  border-radius: 28px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.contact-guide h3 {
  margin: 0 0 12px;
  font-size: 24px;
  line-height: 1.2;
}

.contact-guide p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.contact-guide-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-guide-list li {
  display: grid;
  grid-template-columns: minmax(110px, 140px) 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--card-soft);
  border: 1px solid var(--line);
}

.contact-guide-list strong {
  color: var(--text);
  font-size: 14px;
}

.contact-guide-list span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.footer-logo-card {
  min-width: 280px;
  min-height: 118px;
}

.footer-logo-card img {
  width: clamp(180px, 22vw, 240px);
  height: auto;
}

.footer-tagline {
  max-width: 410px;
  line-height: 1.65;
  word-break: keep-all;
  text-wrap: pretty;
}

@media (max-width: 980px) {
  body {
    background:
      radial-gradient(circle at 20% 0%, rgba(33, 85, 255, 0.14), transparent 24%),
      linear-gradient(180deg, #07101e 0%, #0b1426 18%, #edf3ff 18%, #f7faff 100%);
  }
}

@media (max-width: 760px) {
  .hero-visual-caption span {
    font-size: 15px;
    line-height: 1.58;
  }

  .quick-menu-wrap {
    max-height: 1200px;
  }

  .quick-menu-wrap.is-collapsed + .section-detail {
    padding-top: 46px;
  }

  .section-detail {
    padding-top: 86px;
    padding-bottom: 88px;
  }

  .contact-guide,
  .contact-card {
    padding: 24px;
  }

  .contact-guide-list li {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 520px) {
  .hero-visual-caption {
    padding: 0 2px 2px;
  }

  .hero-visual-caption span {
    max-width: none;
    font-size: 15px;
    line-height: 1.6;
  }
}


.nav-courses.menu-suppressed .mega-menu {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  transform: translate(-50%, 12px) !important;
}


/* ===== v3 interaction fixes ===== */
.section-detail {
  scroll-margin-top: 118px;
}

.quick-menu-wrap.is-collapsed {
  max-height: none !important;
  margin-top: -86px !important;
  opacity: 1 !important;
  pointer-events: auto !important;
  transform: none !important;
}

.nav-courses.menu-suppressed .mega-menu {
  display: none !important;
}

@media (max-width: 760px) {
  .quick-menu-wrap.is-collapsed {
    margin-top: -62px !important;
  }
}