:root {
  color-scheme: light;
  --ink: #191f28;
  --muted: #667085;
  --line: #e7ebf2;
  --soft: #f6f8fb;
  --card: #ffffff;
  --navy: #030b16;
  --navy-2: #071321;
  --yellow: #ffdc32;
  --blue: #2f86ff;
  --sky: #b9ddff;
  --purple: #8f65ff;
  --shadow: 0 22px 55px rgba(16, 24, 40, 0.08);
  --radius: 8px;
  --max: 1320px;
  --font-sans: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  --font-display: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  font-family: var(--font-sans);
}

@font-face {
  font-family: "Pretendard";
  font-weight: 100 900;
  font-display: swap;
  src: url("./assets/fonts/PretendardVariable.woff2") format("woff2-variations"),
       url("./assets/fonts/PretendardVariable.woff2") format("woff2");
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  letter-spacing: 0;
  font-family: var(--font-sans);
  font-weight: 500;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  font-synthesis-weight: none;
}

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

h1,
h2,
h3,
.brand,
.main-nav,
.header-cta,
.btn,
.track-card,
.course-tab,
.detail-head,
.consult-form {
  font-family: var(--font-display);
}

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

[hidden] {
  display: none !important;
}

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

button {
  border: 0;
  cursor: pointer;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(47, 134, 255, 0.36);
  outline-offset: 2px;
}

.container {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
}

.section {
  padding: 62px 0;
}

#tracks,
#curriculum,
#course-detail,
#benefits,
#reviews,
#faq,
#quick-comment,
#contact {
  scroll-margin-top: 112px;
}

.section-dark {
  background: var(--navy);
  color: #fff;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 0 max(24px, calc((100vw - var(--max)) / 2));
  background: rgba(3, 10, 18, 0.94);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 220px;
}

.brand img {
  width: 190px;
  height: 48px;
  object-fit: contain;
  object-position: left center;
}

.brand span {
  margin-top: -8px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 13px;
  font-weight: 700;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 34px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 15px;
  font-weight: 700;
}

.main-nav a {
  transition: color 0.2s ease;
}

.main-nav a:hover {
  color: #fff;
}

.header-cta {
  min-width: 132px;
  padding: 14px 20px;
  border-radius: 5px;
  background: linear-gradient(135deg, #1473f8, #54a2ff);
  color: #fff;
  text-align: center;
  font-size: 15px;
  font-weight: 800;
  box-shadow: 0 12px 30px rgba(47, 134, 255, 0.28);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 76px 0 16px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 77% 36%, rgba(48, 136, 255, 0.22), transparent 28%),
    linear-gradient(115deg, rgba(3, 11, 22, 0.98) 0%, rgba(2, 8, 17, 0.95) 54%, rgba(7, 17, 31, 0.88) 100%);
}

.hero-bg {
  position: absolute;
  inset: 0 0 auto auto;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(rgba(78, 142, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(78, 142, 255, 0.08) 1px, transparent 1px);
  background-position: center;
  background-size: 52px 52px;
  opacity: 0.22;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 28px;
  align-items: center;
  min-height: 540px;
}

.hero-copy {
  padding-bottom: 18px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
  font-weight: 800;
}

.eyebrow.dark {
  border-color: #dbe3ef;
  background: #f2f6ff;
  color: #246bd8;
}

.hero h1 {
  margin: 26px 0 18px;
  color: #fff;
  font-size: clamp(42px, 4.6vw, 60px);
  line-height: 1.12;
  font-weight: 850;
  word-break: keep-all;
}

mark {
  background: none;
  color: var(--yellow);
  white-space: nowrap;
}

.hero-sub {
  margin: 0 0 12px;
  color: rgba(255, 255, 255, 0.87);
  font-size: 24px;
  font-weight: 700;
}

.hero-tracks {
  margin: 0;
  color: #ffe76f;
  font-size: 20px;
  font-weight: 900;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 212px;
  min-height: 58px;
  padding: 0 28px;
  border-radius: 6px;
  font-weight: 900;
}

.btn-primary {
  background: var(--yellow);
  color: #101720;
  box-shadow: 0 16px 38px rgba(255, 220, 50, 0.28);
}

.btn-primary::after {
  content: "→";
  margin-left: 12px;
  font-size: 19px;
}

.btn-ghost {
  border: 2px solid rgba(255, 255, 255, 0.56);
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
}

.hero-art {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 480px;
}

.hero-art img {
  width: min(500px, 100%);
  mix-blend-mode: screen;
  -webkit-mask-image: radial-gradient(circle at 50% 52%, #000 54%, rgba(0, 0, 0, 0.78) 66%, transparent 82%);
  mask-image: radial-gradient(circle at 50% 52%, #000 54%, rgba(0, 0, 0, 0.78) 66%, transparent 82%);
  filter: drop-shadow(0 24px 45px rgba(0, 0, 0, 0.32)) saturate(1.12);
}

.quick-points {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  border-radius: 8px 8px 0 0;
  background: rgba(255, 255, 255, 0.08);
}

.quick-points div {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 72px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.86);
  font-weight: 800;
}

.line-icon {
  color: #dbe9ff;
  font-size: 19px;
}

.section-title {
  text-align: center;
  margin-bottom: 34px;
}

.section-title h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.18;
  font-weight: 850;
}

.section-title p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 17px;
  font-weight: 700;
}

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

.why-grid,
.benefit-grid,
.audience-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}

.why-card,
.benefit-grid article,
.audience-card {
  min-height: 210px;
  padding: 28px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  text-align: center;
  box-shadow: var(--shadow);
}

.why-card img,
.benefit-grid img {
  width: 82px;
  height: 82px;
  margin: 0 auto 18px;
  object-fit: contain;
}

.product-suite {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 134px;
  height: 82px;
  margin: 0 auto 18px;
}

.product-suite::before {
  content: "";
  position: absolute;
  inset: 52px 12px 4px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(41, 94, 172, 0.22), transparent 66%);
}

.app-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 62px;
  border-radius: 18px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    inset 0 -10px 18px rgba(0, 0, 0, 0.12),
    0 16px 28px rgba(32, 69, 133, 0.2);
}

.app-icon::before {
  content: "";
  position: absolute;
  inset: 7px 9px auto 9px;
  height: 18px;
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.08));
  filter: blur(0.2px);
}

.zip-icon {
  z-index: 2;
  margin-right: -8px;
  transform: rotate(-5deg);
  background:
    linear-gradient(135deg, #f6d75d 0%, #f2b632 44%, #dd8c1b 100%);
}

.zip-icon i {
  position: absolute;
  left: 17px;
  top: 18px;
  width: 29px;
  height: 32px;
  border-radius: 6px 6px 5px 5px;
  background: linear-gradient(180deg, #fff7d8, #ffe39a);
  box-shadow: inset 0 -7px 10px rgba(210, 131, 24, 0.18);
}

.zip-icon i::before {
  content: "";
  position: absolute;
  left: 0;
  top: -8px;
  width: 18px;
  height: 10px;
  border-radius: 6px 6px 0 0;
  background: #fff0b9;
}

.zip-icon b {
  position: absolute;
  top: 17px;
  left: 30px;
  width: 4px;
  height: 35px;
  border-radius: 4px;
  background:
    repeating-linear-gradient(180deg, #8b642b 0 3px, transparent 3px 6px),
    #2e3540;
}

.shield-icon {
  z-index: 1;
  transform: rotate(6deg);
  background:
    linear-gradient(145deg, #67d882 0%, #28a95a 44%, #10743e 100%);
}

.shield-icon i {
  position: absolute;
  width: 38px;
  height: 45px;
  clip-path: polygon(50% 0, 88% 13%, 88% 50%, 50% 100%, 12% 50%, 12% 13%);
  background: linear-gradient(160deg, #eaffe9 0%, #9ff0b7 48%, #46bf72 100%);
  box-shadow: inset 0 -8px 12px rgba(20, 102, 54, 0.22);
}

.shield-icon b {
  position: absolute;
  width: 18px;
  height: 10px;
  border-left: 5px solid #126a3a;
  border-bottom: 5px solid #126a3a;
  transform: rotate(-45deg) translate(1px, 1px);
  border-radius: 0 0 0 3px;
}

.why-card h3,
.benefit-grid h3,
.audience-grid h3 {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.35;
  font-weight: 900;
}

.why-card p,
.benefit-grid p,
.audience-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
  font-weight: 700;
}

.tracks-section {
  background: #fff;
}

.track-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.track-card {
  position: relative;
  overflow: hidden;
  min-height: 490px;
  padding: 34px 30px 28px;
  border: 2px solid var(--line);
  border-top-width: 5px;
  border-radius: 8px;
  background: linear-gradient(180deg, #fff 0%, #fbfcff 100%);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.track-card:hover,
.track-card.is-selected {
  transform: translateY(-4px);
  box-shadow: 0 30px 70px rgba(16, 24, 40, 0.13);
}

.track-card::after {
  content: "";
  position: absolute;
  inset: auto -80px -100px auto;
  width: 210px;
  height: 210px;
  border-radius: 50%;
  opacity: 0.12;
}

.track-quant {
  border-color: #f5c400;
}

.track-quant::after {
  background: var(--yellow);
}

.track-human {
  border-color: var(--purple);
}

.track-human::after {
  background: var(--purple);
}

.track-guardian {
  border-color: var(--blue);
}

.track-guardian::after {
  background: var(--blue);
}

.track-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 14px;
  border-radius: 999px;
  background: #fff8d5;
  color: #b98200;
  font-size: 13px;
  font-weight: 900;
}

.track-human .track-tag {
  background: #f1eaff;
  color: #6d48d9;
}

.track-guardian .track-tag {
  background: #e8f3ff;
  color: #216fd7;
}

.track-card h3 {
  margin: 18px 0 10px;
  font-size: 40px;
  line-height: 1.1;
  font-weight: 850;
}

.track-card p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 700;
}

.track-card ul {
  display: grid;
  gap: 9px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.track-card li {
  position: relative;
  padding-left: 18px;
  color: #344054;
  font-weight: 800;
}

.track-card li::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.45;
}

.track-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.track-meta span {
  padding: 8px 12px;
  border-radius: 6px;
  background: #f0f4fa;
  color: #667085;
  font-size: 13px;
  font-weight: 900;
}

.detail-button,
.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 220px;
  min-height: 50px;
  margin-top: 26px;
  border: 1px solid #ccd4df;
  border-radius: 6px;
  background: #fff;
  color: #222b37;
  font-weight: 900;
}

.detail-button::after,
.download-button::after {
  content: "→";
  margin-left: 10px;
}

.download-button {
  border-color: color-mix(in srgb, var(--course, var(--blue)) 42%, #ccd4df);
  color: #101828;
  box-shadow: 0 12px 26px rgba(31, 51, 84, 0.08);
}

.download-button:hover {
  background: color-mix(in srgb, var(--course, var(--blue)) 8%, white);
}

.curriculum-section {
  padding-top: 20px;
  background:
    radial-gradient(circle at 16% 20%, rgba(47, 134, 255, 0.07), transparent 26%),
    linear-gradient(180deg, #fff 0%, #f7faff 100%);
}

.curriculum-panel {
  position: relative;
  overflow: hidden;
  padding: 26px;
  border: 1px solid rgba(216, 225, 238, 0.9);
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(250, 252, 255, 0.96)),
    #fff;
  box-shadow: 0 28px 80px rgba(31, 51, 84, 0.11);
  text-align: center;
}

.curriculum-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--yellow), var(--purple), var(--blue));
}

.curriculum-kicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 22px;
  padding: 22px 24px;
  border-radius: 12px;
  background:
    radial-gradient(circle at 92% 0%, color-mix(in srgb, var(--course, var(--blue)) 22%, transparent), transparent 30%),
    linear-gradient(135deg, #071321 0%, #101d31 100%);
  color: #fff;
  text-align: left;
}

.curriculum-kicker span {
  display: block;
  margin-bottom: 7px;
  color: color-mix(in srgb, var(--course, var(--blue)) 72%, white);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
}

.curriculum-kicker strong {
  display: block;
  font-size: 28px;
  line-height: 1.2;
  font-weight: 850;
}

.curriculum-kicker ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.curriculum-kicker li {
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.84);
  font-size: 13px;
  font-weight: 900;
}

.course-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f2f6fb;
}

.course-tab {
  min-height: 52px;
  border-radius: 8px;
  background: transparent;
  color: #667085;
  font-weight: 900;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.course-tab.is-active {
  background: #fff;
  color: #101828;
  box-shadow:
    inset 0 0 0 2px color-mix(in srgb, var(--course, var(--blue)) 72%, transparent),
    0 12px 28px rgba(31, 51, 84, 0.1);
}

.step-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  padding: 22px 0 8px;
}

.step-card {
  position: relative;
  min-height: 218px;
  padding: 18px 15px 20px;
  border: 1px solid rgba(216, 225, 238, 0.92);
  border-radius: 12px;
  background:
    linear-gradient(180deg, #fff 0%, #fbfdff 100%);
  box-shadow: 0 18px 38px rgba(31, 51, 84, 0.07);
}

.step-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  border-radius: 12px 12px 0 0;
  background: var(--course, var(--blue));
}

.step-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.step-card-head span {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 0 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--course, var(--blue)) 12%, white);
  color: color-mix(in srgb, var(--course, var(--blue)) 72%, #101828);
  font-size: 12px;
  font-weight: 900;
}

.step-card-head i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--course, var(--blue));
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--course, var(--blue)) 13%, transparent);
}

.step-card img {
  width: 72px;
  height: 72px;
  margin: 4px auto 14px;
  object-fit: contain;
}

.step-card img.step-icon--db {
  width: 86px;
  height: 86px;
  margin-top: 0;
  border-radius: 18px;
  object-fit: cover;
  box-shadow: 0 16px 32px rgba(6, 31, 74, 0.18);
}

.step-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.25;
  font-weight: 900;
}

.step-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
  font-weight: 700;
}

.detail-section {
  padding-top: 22px;
  background:
    radial-gradient(circle at 80% 8%, rgba(47, 134, 255, 0.07), transparent 24%),
    linear-gradient(180deg, #f7faff 0%, #fff 100%);
}

.detail-shell {
  overflow: hidden;
  border: 1px solid rgba(216, 225, 238, 0.9);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 30px 86px rgba(31, 51, 84, 0.11);
}

.detail-head {
  position: relative;
  padding: 38px 38px 30px;
  border-bottom: 0;
  background:
    radial-gradient(circle at 82% 16%, color-mix(in srgb, var(--course, var(--blue)) 22%, transparent), transparent 28%),
    linear-gradient(135deg, #081323 0%, #121f34 100%);
  color: #fff;
}

.detail-head::after {
  content: "";
  position: absolute;
  inset: auto 38px 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
}

.detail-head .eyebrow.dark {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.08);
  color: color-mix(in srgb, var(--course, var(--blue)) 62%, white);
}

.detail-head h2 {
  margin: 14px 0 8px;
  color: #fff;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.18;
  font-weight: 850;
}

.detail-head p:last-child {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 700;
}

.detail-loading {
  display: grid;
  place-items: center;
  gap: 14px;
  min-height: 280px;
  color: #355070;
}

.detail-loading span {
  width: 54px;
  height: 54px;
  border: 5px solid #dce8ff;
  border-top-color: var(--course, var(--blue));
  border-radius: 50%;
  animation: spin 0.85s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.detail-content {
  padding: 30px 34px 34px;
}

.training-map {
  display: grid;
  gap: 22px;
}

.summary-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fbfcff;
}

.summary-item {
  min-height: 112px;
  padding: 20px;
  border-right: 1px solid var(--line);
  background:
    linear-gradient(180deg, #fff 0%, #f7faff 100%);
}

.summary-item:last-child {
  border-right: 0;
}

.summary-item strong {
  display: block;
  margin-bottom: 8px;
  color: var(--course, var(--blue));
  font-size: 15px;
  font-weight: 900;
}

.summary-item span {
  display: block;
  color: #1d2733;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 900;
}

.map-grid {
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 20px;
}

.map-card {
  padding: 28px;
  border: 1px solid rgba(216, 225, 238, 0.92);
  border-radius: 12px;
  background:
    linear-gradient(180deg, #fff 0%, #fbfdff 100%);
  box-shadow: 0 16px 36px rgba(31, 51, 84, 0.06);
}

.map-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-size: 23px;
  line-height: 1.3;
  font-weight: 900;
}

.map-card h3::before {
  content: "";
  width: 5px;
  height: 27px;
  border-radius: 99px;
  background: var(--course, var(--blue));
}

.map-card p {
  margin: 0;
  color: #344054;
  font-size: 16px;
  line-height: 1.75;
  font-weight: 700;
}

.pill-list,
.line-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pill-list li {
  position: relative;
  padding: 14px 16px 14px 42px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--course, var(--blue)) 9%, white);
  color: #1d2733;
  font-weight: 900;
}

.pill-list li::before {
  content: "✓";
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--course, var(--blue));
  color: #fff;
  font-size: 12px;
  line-height: 1;
}

.line-list li {
  padding: 13px 0;
  border-bottom: 1px solid #edf1f6;
  color: #344054;
  font-weight: 800;
}

.project-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.project-card {
  min-height: 160px;
  padding: 20px;
  border: 1px solid rgba(216, 225, 238, 0.92);
  border-radius: 12px;
  background:
    linear-gradient(180deg, #fff 0%, #f7faff 100%);
  box-shadow: 0 14px 30px rgba(31, 51, 84, 0.06);
}

.project-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 17px;
  font-weight: 900;
}

.project-card span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
  font-weight: 700;
}

.comparison {
  background: #fff;
}

.compare-table {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.compare-row {
  display: grid;
  grid-template-columns: 0.82fr 1.28fr 1fr;
  border-bottom: 1px solid var(--line);
}

.compare-row:last-child {
  border-bottom: 0;
}

.compare-row div {
  min-height: 56px;
  padding: 16px 20px;
  border-right: 1px solid var(--line);
  color: #344054;
  font-weight: 800;
}

.compare-row div:last-child {
  border-right: 0;
}

.compare-head div {
  background: #20242b;
  color: #fff;
  text-align: center;
  font-weight: 900;
}

.compare-head div:nth-child(2) {
  background: linear-gradient(135deg, #116ce9, #3a91ff);
}

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

.benefit-grid {
  grid-template-columns: repeat(6, 1fr);
}

.audience {
  background: #fff;
}

.audience-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.audience-card {
  min-height: 276px;
  cursor: pointer;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.audience-card:hover,
.audience-card:focus-visible {
  border-color: rgba(47, 134, 255, 0.44);
  box-shadow: 0 18px 48px rgba(18, 50, 99, 0.12);
  outline: none;
  transform: translateY(-2px);
}

.audience-card.is-active {
  border-color: rgba(47, 134, 255, 0.62);
  box-shadow: 0 20px 54px rgba(47, 134, 255, 0.18);
  transform: translateY(-3px);
}

.audience-photo {
  display: block;
  width: min(100%, 170px);
  aspect-ratio: 315 / 416;
  margin: 0 auto 18px;
  border-radius: 15px;
  object-fit: cover;
  background: #fff;
  box-shadow:
    0 14px 34px rgba(18, 50, 99, 0.09),
    inset 0 0 0 1px rgba(11, 24, 44, 0.04);
}

.dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
}

.dots button {
  width: 9px;
  height: 9px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #d0d8e5;
  cursor: pointer;
  transition:
    width 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}

.dots button.is-active {
  width: 28px;
  border-radius: 99px;
  background: var(--blue);
  box-shadow: 0 8px 18px rgba(47, 134, 255, 0.22);
}

.dots button:focus-visible {
  outline: 3px solid rgba(47, 134, 255, 0.34);
  outline-offset: 4px;
}

.faq-section {
  background: #fff;
  padding-top: 28px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

details {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
}

summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  padding: 0 22px;
  color: #344054;
  font-weight: 900;
  cursor: pointer;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  color: #667085;
  font-size: 22px;
  line-height: 1;
}

details[open] summary::after {
  content: "-";
}

details p {
  margin: 0;
  padding: 0 22px 18px;
  color: var(--muted);
  line-height: 1.65;
  font-weight: 700;
}

.quick-comment-section {
  position: relative;
  z-index: 1;
  padding: 0 0 8px;
  background: #fff;
}

.quick-comment-form {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 22px;
  align-items: end;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 24px 26px;
  background:
    radial-gradient(circle at 92% 15%, rgba(0, 214, 255, 0.18), transparent 26%),
    linear-gradient(135deg, #111821 0%, #161b22 52%, #0b1320 100%);
  box-shadow: 0 22px 60px rgba(16, 24, 40, 0.14);
}

.quick-comment-copy h2 {
  margin: 0 0 10px;
  color: #00e5ff;
  font-size: 22px;
  line-height: 1;
  font-weight: 900;
}

.quick-comment-copy strong {
  display: block;
  color: #fff;
  font-size: 17px;
  line-height: 1.3;
  font-weight: 900;
}

.quick-comment-copy p {
  margin: 9px 0 0;
  color: #cfe0ff;
  font-size: 14px;
  line-height: 1.45;
  font-weight: 700;
}

.quick-comment-fields {
  display: grid;
  grid-template-columns: 96px 140px minmax(220px, 1fr) 124px;
  gap: 10px;
  align-items: stretch;
}

.quick-comment-fields label {
  display: grid;
}

.quick-comment-fields span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.quick-comment-fields input {
  width: 100%;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  padding: 0 14px;
  font-size: 14px;
  font-weight: 800;
}

.quick-comment-fields input::placeholder {
  color: rgba(255, 255, 255, 0.46);
}

.quick-comment-fields button {
  border-radius: 4px;
  background: linear-gradient(135deg, #00e5ff 0%, #2f91ff 100%);
  color: #02101f;
  font-size: 14px;
  font-weight: 950;
  box-shadow: 0 14px 30px rgba(0, 153, 255, 0.24);
}

.form-status {
  min-height: 18px;
  margin: 0;
  font-size: 13px;
  line-height: 1.4;
  font-weight: 850;
}

.quick-comment-fields .form-status {
  grid-column: 1 / -1;
  color: rgba(207, 224, 255, 0.82);
}

.consult-form .form-status {
  color: rgba(255, 255, 255, 0.72);
}

.form-status.is-success {
  color: #67e8a5;
}

.form-status.is-error {
  color: #ffb4b4;
}

[data-sheet-form] button:disabled {
  opacity: 0.72;
  cursor: wait;
}

.contact-section {
  position: relative;
  overflow: hidden;
  margin: 38px auto 0;
  padding: 46px 0;
  background:
    radial-gradient(circle at 82% 42%, rgba(42, 119, 255, 0.2), transparent 30%),
    linear-gradient(135deg, #020812 0%, #061225 100%);
}

.contact-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(82, 151, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(82, 151, 255, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.35;
}

.contact-panel {
  position: relative;
  min-height: 455px;
  overflow: hidden;
  border-radius: 30px;
  background:
    radial-gradient(circle at 74% 52%, rgba(44, 135, 255, 0.22), transparent 28%),
    linear-gradient(135deg, #061123 0%, #071426 48%, #06101d 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 32px 80px rgba(0, 0, 0, 0.35);
}

.consult-form {
  position: relative;
  z-index: 3;
  display: grid;
  gap: 10px;
  width: min(680px, 67%);
  margin: 30px 0 30px 38px;
  padding: 32px 40px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.045)),
    rgba(14, 27, 45, 0.82);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 22px 50px rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(8px);
}

.consult-form h2 {
  margin: 0;
  color: #fff;
  font-size: clamp(30px, 3.4vw, 40px);
  line-height: 1.1;
  font-weight: 850;
  text-shadow: 0 3px 0 rgba(0, 0, 0, 0.22);
}

.consult-note {
  margin: 0 0 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 16px;
  line-height: 1.55;
  font-weight: 800;
}

.consult-capacity {
  margin: -2px 0 8px;
  padding: 12px 14px;
  border: 1px solid rgba(47, 134, 255, 0.26);
  border-radius: 12px;
  background: rgba(47, 134, 255, 0.11);
  color: #dcecff;
  font-size: 15px;
  line-height: 1.45;
  font-weight: 900;
}

.consult-form label {
  position: relative;
  display: grid;
}

.consult-form span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.consult-form input,
.consult-form select,
.consult-form textarea {
  width: 100%;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 10px;
  background: linear-gradient(180deg, #fff 0%, #f6f7f9 100%);
  color: #2a2f37;
  padding: 0 18px;
  font-size: 16px;
  font-weight: 800;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 10px 22px rgba(0, 0, 0, 0.18);
}

.consult-form input::placeholder,
.consult-form textarea::placeholder {
  color: #8c8f94;
  opacity: 1;
}

.consult-form textarea {
  min-height: 88px;
  resize: vertical;
  padding: 13px 18px;
  line-height: 1.5;
}

.consult-form select {
  appearance: none;
  color: #2a2f37;
  background-image:
    linear-gradient(45deg, transparent 50%, #2a2f37 50%),
    linear-gradient(135deg, #2a2f37 50%, transparent 50%),
    linear-gradient(180deg, #fff 0%, #f6f7f9 100%);
  background-position:
    calc(100% - 28px) 20px,
    calc(100% - 18px) 20px,
    0 0;
  background-size:
    11px 11px,
    11px 11px,
    100% 100%;
  background-repeat: no-repeat;
}

.consult-form button {
  min-height: 52px;
  margin-top: 6px;
  border-radius: 10px;
  background: linear-gradient(135deg, #2c91ff 0%, #1765f4 100%);
  color: #fff;
  font-size: 19px;
  font-weight: 900;
  text-shadow: 0 3px 0 rgba(0, 0, 0, 0.16);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    0 18px 34px rgba(24, 109, 247, 0.34);
}

.consult-trust {
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 13px;
  line-height: 1.45;
  text-align: center;
  font-weight: 800;
}

.contact-art {
  position: absolute;
  right: -34px;
  bottom: 0;
  z-index: 2;
  width: 31%;
  height: 64%;
  overflow: visible;
  pointer-events: none;
}

.contact-art::before {
  content: "";
  position: absolute;
  left: -4%;
  right: 4%;
  bottom: 6%;
  height: 54%;
  z-index: 0;
  border-radius: 999px;
  background:
    radial-gradient(ellipse, rgba(39, 123, 255, 0.2), rgba(39, 123, 255, 0.04) 52%, transparent 72%);
  filter: blur(8px);
}

.contact-art img {
  position: relative;
  z-index: 1;
  width: auto;
  height: 100%;
  margin-left: 0;
  object-fit: contain;
  object-position: left bottom;
  transform: none;
  transform-origin: 50% 100%;
  clip-path: polygon(0 0, 100% 0, 100% 94%, 91% 94%, 91% 100%, 0 100%);
  filter: drop-shadow(-12px 22px 28px rgba(0, 0, 0, 0.3));
}

.site-footer {
  padding: 42px 0 50px;
  background: #020812;
  color: rgba(255, 255, 255, 0.76);
}

.footer-notice {
  margin-bottom: 34px;
  padding: 26px 28px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  background:
    radial-gradient(circle at 96% 0%, rgba(47, 134, 255, 0.16), transparent 26%),
    rgba(255, 255, 255, 0.045);
}

.footer-notice h2 {
  margin: 0 0 10px;
  color: #fff;
  font-size: 24px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: 0;
}

.footer-notice p {
  margin: 0 0 9px;
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.55;
  font-weight: 750;
}

.footer-notice .footer-manager {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.32);
  font-size: 11px;
  line-height: 1.4;
  text-align: right;
  font-weight: 600;
}

.footer-notice ul {
  display: grid;
  gap: 6px;
  margin: 14px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  list-style: none;
}

.footer-notice li {
  position: relative;
  padding-left: 16px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
  line-height: 1.5;
  font-weight: 700;
}

.footer-notice li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.74em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(47, 134, 255, 0.92);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 28px;
}

.footer-grid img {
  width: 190px;
  height: 52px;
  object-fit: contain;
  object-position: left center;
}

.footer-grid h3 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 17px;
}

.footer-grid a,
.footer-grid p {
  display: block;
  margin: 0 0 8px;
  color: rgba(255, 255, 255, 0.66);
  font-weight: 700;
}

.footer-grid strong {
  display: block;
  margin-bottom: 8px;
  color: #fff;
  font-size: 25px;
}

.to-top {
  position: fixed;
  right: 26px;
  bottom: 24px;
  z-index: 12;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(18, 26, 36, 0.88);
  color: #fff;
  font-size: 24px;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.22);
}

@media (max-width: 1180px) {
  .main-nav {
    gap: 18px;
  }

  .why-grid,
  .benefit-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .step-strip {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 920px) {
  .site-header {
    height: auto;
    padding: 14px 22px;
    flex-wrap: wrap;
  }

  .brand {
    min-width: auto;
  }

  .main-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 4px;
  }

  .header-cta {
    min-width: 118px;
    padding: 12px 14px;
  }

  .hero {
    padding-top: 42px;
  }

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

  .footer-notice {
    padding: 22px;
  }

  .hero-art {
    min-height: 310px;
  }

  .curriculum-kicker {
    align-items: flex-start;
    flex-direction: column;
  }

  .curriculum-kicker ul {
    justify-content: flex-start;
  }

  .quick-points,
  .track-grid,
  .summary-bar,
  .audience-grid,
  .faq-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .compare-row {
    grid-template-columns: 1fr;
  }

  .compare-row div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .compare-row div:last-child {
    border-bottom: 0;
  }

  .quick-comment-form {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 22px;
  }

  .quick-comment-fields {
    grid-template-columns: 100px 140px minmax(180px, 1fr) 124px;
  }

  .contact-section {
    padding: 48px 0;
  }

  .contact-panel {
    min-height: auto;
    padding: 26px 20px 300px;
    border-radius: 28px;
  }

  .consult-form {
    width: 100%;
    margin: 0;
    padding: 32px;
  }

  .contact-art {
    inset: auto 18px 0 auto;
    width: 38%;
    height: 220px;
  }

  .contact-art::before {
    left: 0;
    right: 8%;
    bottom: 6%;
    height: 60%;
    background: radial-gradient(ellipse, rgba(39, 123, 255, 0.2), rgba(39, 123, 255, 0.04) 52%, transparent 72%);
  }

  .contact-art img {
    margin-left: 0;
    object-position: right bottom;
  }
}

@media (min-width: 761px) and (max-width: 920px) {
  .contact-panel {
    min-height: 455px;
    padding: 0;
  }

  .consult-form {
    width: min(620px, 70%);
    margin: 30px 0 30px 30px;
    padding: 30px 34px;
  }

  .contact-art {
    inset: auto -26px 0 auto;
    width: 33%;
    height: 64%;
  }

  .contact-art img {
    margin-left: 0;
    object-position: left bottom;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 28px), var(--max));
  }

  .section {
    padding: 44px 0;
  }

  .brand img {
    width: 152px;
  }

  .brand span {
    font-size: 11px;
  }

  .hero h1 {
    font-size: 44px;
  }

  .hero-sub,
  .hero-tracks {
    font-size: 17px;
  }

  .btn {
    width: 100%;
  }

  .quick-points,
  .why-grid,
  .track-grid,
  .course-tabs,
  .step-strip,
  .summary-bar,
  .project-strip,
  .benefit-grid,
  .audience-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .quick-comment-section {
    padding-bottom: 0;
  }

  .quick-comment-form {
    border-radius: 14px;
    padding: 20px;
  }

  .quick-comment-copy h2 {
    font-size: 20px;
  }

  .quick-comment-fields {
    grid-template-columns: 1fr;
  }

  .quick-comment-fields input,
  .quick-comment-fields button {
    height: 48px;
  }

  .curriculum-panel {
    padding: 18px;
    border-radius: 12px;
  }

  .curriculum-kicker {
    padding: 18px;
  }

  .curriculum-kicker strong {
    font-size: 23px;
  }

  .track-card {
    min-height: auto;
  }

  .detail-head,
  .detail-content,
  .map-card {
    padding-left: 18px;
    padding-right: 18px;
  }

  .summary-item {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .summary-item:last-child {
    border-bottom: 0;
  }

  .contact-panel {
    padding: 16px 14px 220px;
    border-radius: 22px;
  }

  .consult-form {
    gap: 14px;
    padding: 28px 18px;
    border-radius: 20px;
  }

  .consult-form h2 {
    margin-bottom: 8px;
    font-size: 34px;
  }

  .consult-form input,
  .consult-form select,
  .consult-form textarea {
    height: 62px;
    border-radius: 10px;
    padding: 0 20px;
    font-size: 19px;
  }

  .consult-form textarea {
    min-height: 112px;
    padding: 15px 20px;
  }

  .consult-form select {
    background-position:
      calc(100% - 28px) 27px,
      calc(100% - 18px) 27px,
      0 0;
    background-size:
      11px 11px,
      11px 11px,
      100% 100%;
  }

  .consult-form button {
    min-height: 76px;
    border-radius: 12px;
    font-size: 27px;
  }

  .contact-art {
    right: -4px;
    width: 54%;
    height: 160px;
  }

  .contact-art img {
    margin-left: 0;
  }
}