:root {
  --ink: #17211d;
  --muted: #61706a;
  --paper: #fbfaf6;
  --mist: #edf2ef;
  --sage: #5f7e70;
  --forest: #173c32;
  --blue: #315b8d;
  --coral: #c96d4e;
  --gold: #d7aa4a;
  --line: rgba(23, 33, 29, 0.14);
  --shadow: 0 18px 50px rgba(23, 33, 29, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 22px;
  align-items: center;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(251, 250, 246, 0.92);
  border-bottom: 1px solid rgba(23, 33, 29, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 760;
  font-size: 1.04rem;
}

.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 2vw, 30px);
  color: #31413b;
  font-size: 0.94rem;
}

.site-nav a {
  padding: 8px 0;
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 720;
  font-size: 0.94rem;
  white-space: nowrap;
}

.header-cta,
.button.primary {
  color: #fff;
  background: var(--forest);
  box-shadow: 0 10px 24px rgba(23, 60, 50, 0.18);
}

.button.secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.86);
  border-color: rgba(255, 255, 255, 0.68);
}

.button.dark {
  color: #fff;
  background: #1f2c28;
}

.button.disabled {
  cursor: not-allowed;
  opacity: 0.68;
}

.menu-button {
  display: none;
}

.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 132px clamp(20px, 6vw, 82px) 76px;
  color: #fff;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(15, 31, 27, 0.84), rgba(15, 31, 27, 0.5) 48%, rgba(15, 31, 27, 0.16)),
    linear-gradient(0deg, rgba(15, 31, 27, 0.56), rgba(15, 31, 27, 0.04) 42%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #f4c46b;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 16px;
  font-size: clamp(2.9rem, 7vw, 5.6rem);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(1.6rem, 2.7vw, 2.8rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: clamp(1.15rem, 1.6vw, 1.45rem);
  line-height: 1.15;
}

.hero-copy {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1rem, 1.55vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.intro-band,
.mission-band,
.about-band,
.contact-band {
  padding: clamp(48px, 7vw, 92px) clamp(20px, 6vw, 82px);
}

.intro-band {
  background: var(--mist);
}

.intro-grid {
  max-width: 980px;
  margin: 0 auto;
}

.intro-grid h2 {
  max-width: 780px;
}

.intro-grid p:last-child {
  max-width: 920px;
  margin-top: clamp(28px, 5vw, 64px);
}

.intro-grid > p:last-child,
.section-heading p,
.section-copy p,
.about-copy p,
.contact-band p {
  color: var(--muted);
  font-size: 1.06rem;
}

.section {
  padding: clamp(58px, 8vw, 108px) clamp(20px, 6vw, 82px);
}

.section-heading {
  max-width: 850px;
  margin-bottom: 34px;
}

.section-heading.compact {
  max-width: 720px;
}

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

.programme-card,
.lead-form,
.resource-grid article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.programme-card {
  display: flex;
  flex-direction: column;
  min-height: 620px;
  padding: clamp(24px, 3.4vw, 38px);
}

.feature-card {
  background: #f7f1e6;
}

.card-topline {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 26px;
  color: var(--muted);
  font-size: 0.84rem;
}

.card-topline strong {
  color: var(--forest);
}

.programme-card > p {
  color: var(--muted);
}

.price-row,
.price-stack {
  margin: 18px 0 18px;
}

.price {
  display: inline-block;
  font-size: clamp(2.1rem, 4vw, 3.5rem);
  line-height: 1;
  font-weight: 820;
}

.price-note {
  color: var(--muted);
  font-size: 0.96rem;
}

.small-note {
  font-size: 0.9rem;
}

.intake-note {
  color: var(--forest);
  font-weight: 760;
}

.intake-note {
  margin: 8px 0 0;
}

.discount-pill {
  display: inline-flex;
  width: fit-content;
  margin-top: 12px;
  padding: 9px 12px;
  color: #3b2a0c;
  background: rgba(215, 170, 74, 0.28);
  border: 1px solid rgba(215, 170, 74, 0.54);
  border-radius: 8px;
  font-weight: 760;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 12px 0 26px;
  padding: 0;
  list-style: none;
  color: #34443e;
}

.check-list li {
  position: relative;
  padding-left: 24px;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 9px;
  background: var(--coral);
  border-radius: 50%;
}

.programme-card .button {
  margin-top: auto;
}

.schedule-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 24px;
}

.schedule-list div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 7px;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.schedule-list strong {
  color: var(--blue);
  font-weight: 740;
}

.schedule-list span {
  color: var(--ink);
  font-size: 0.95rem;
  line-height: 1.3;
}

.mission-band {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 76px);
  align-items: start;
  background: #fff;
}

.mission-band p {
  color: var(--muted);
}

.offer-list {
  display: grid;
  gap: 12px;
}

.offer-list article {
  padding: 18px;
  background: var(--mist);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.offer-list h3 {
  margin-bottom: 8px;
  font-size: 1.12rem;
}

.offer-list p {
  margin: 0;
  font-size: 0.96rem;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
}

.notice-box {
  margin-top: 26px;
  padding: 18px;
  background: var(--mist);
  border-left: 4px solid var(--sage);
  border-radius: 8px;
  color: #34443e;
}

.lead-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: clamp(20px, 3vw, 34px);
}

label {
  display: grid;
  gap: 8px;
  color: #32413b;
  font-size: 0.9rem;
  font-weight: 720;
}

.honeypot {
  display: none;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  color: var(--ink);
  background: #fafafa;
  border: 1px solid rgba(23, 33, 29, 0.18);
  border-radius: 8px;
  font: inherit;
}

textarea {
  resize: vertical;
}

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

.consent {
  grid-template-columns: auto 1fr;
  align-items: start;
  font-weight: 520;
}

.consent input {
  width: 18px;
  height: 18px;
  min-height: 18px;
  margin-top: 2px;
}

.form-help {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.resources {
  background: var(--mist);
}

.resource-coming,
.resource-grid article {
  overflow: hidden;
  box-shadow: none;
}

.resource-coming {
  display: grid;
  grid-template-columns: minmax(260px, 0.42fr) minmax(0, 1fr);
  align-items: stretch;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.resource-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 280px;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(17, 57, 48, 0.96), rgba(51, 96, 82, 0.9)),
    var(--forest);
}

.resource-device {
  width: min(78%, 320px);
  padding: 18px;
  background: #f9fbfa;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 8px;
  box-shadow: 0 24px 44px rgba(0, 0, 0, 0.24);
}

.device-bar {
  width: 42%;
  height: 8px;
  margin-bottom: 18px;
  border-radius: 999px;
  background: #d8e1dd;
}

.ebook-stack {
  padding: 14px;
  margin-bottom: 10px;
  color: #fff;
  background: var(--forest);
  border-radius: 7px;
}

.ebook-stack.blue {
  background: var(--blue);
}

.ebook-stack span,
.ebook-stack strong {
  display: block;
}

.ebook-stack span {
  font-size: 0.72rem;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.74);
}

.ebook-stack strong {
  margin-top: 3px;
  font-size: 0.98rem;
}

.download-line {
  height: 10px;
  margin-top: 14px;
  border-radius: 999px;
  background: #d8e1dd;
}

.download-line.short {
  width: 62%;
  margin-top: 8px;
}

.resource-badge {
  position: absolute;
  right: 24px;
  bottom: 22px;
  display: grid;
  place-items: center;
  width: 66px;
  height: 66px;
  color: #201a0c;
  background: var(--gold);
  border-radius: 50%;
  font-weight: 850;
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.24);
}

.resource-coming > div:last-child {
  position: relative;
  z-index: 1;
  padding: clamp(24px, 4vw, 44px);
  background: #fff;
}

.resource-visual.blue {
  background:
    linear-gradient(135deg, rgba(49, 91, 141, 0.96), rgba(95, 126, 112, 0.86)),
    var(--blue);
}

.resource-visual.gold {
  color: #201a0c;
  background:
    linear-gradient(135deg, rgba(215, 170, 74, 0.92), rgba(247, 241, 230, 0.98)),
    var(--gold);
}

.resource-coming h3,
.resource-coming p,
.coming-soon {
  margin-left: 0;
  margin-right: 0;
}

.resource-coming h3,
.resource-grid h3 {
  margin-top: 0;
  font-size: clamp(1.25rem, 1.7vw, 1.55rem);
}

.resource-coming p,
.resource-grid p {
  color: var(--muted);
}

.coming-soon {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--blue);
  font-weight: 780;
}

.coming-soon {
  color: var(--forest);
}

.about-band {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 76px);
  align-items: center;
  background: #fff;
}

.about-image {
  min-height: 420px;
  background: #102b24;
  border-radius: 8px;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  aspect-ratio: 5 / 6;
  object-fit: cover;
  object-position: center;
  border-radius: 8px;
}

.about-image .about-photo {
  object-position: center;
}

.contact-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(190px, 230px);
  gap: 26px;
  align-items: center;
  color: #fff;
  background: #1f2c28;
}

.contact-band .section-kicker {
  color: #f1c45f;
}

.contact-band p {
  color: rgba(255, 255, 255, 0.72);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.qr-panel {
  display: grid;
  justify-items: center;
  gap: 10px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
}

.qr-panel p {
  margin: 0;
  font-size: 0.84rem;
  text-align: center;
}

.kakao-qr {
  width: 132px;
  height: 132px;
  background: #fff;
  border-radius: 8px;
  object-fit: contain;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  justify-content: space-between;
  padding: 24px clamp(20px, 6vw, 82px);
  color: rgba(255, 255, 255, 0.72);
  background: #111915;
  font-size: 0.9rem;
}

.site-footer span:first-child,
.site-footer a {
  color: #fff;
  font-weight: 760;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .menu-button {
    display: grid;
    gap: 6px;
    width: 44px;
    height: 44px;
    place-content: center;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
  }

  .menu-button span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--ink);
  }

  .site-nav,
  .header-cta {
    display: none;
  }

  .site-header.nav-open .site-nav {
    position: absolute;
    top: 72px;
    left: 16px;
    right: 16px;
    display: grid;
    gap: 4px;
    justify-content: stretch;
    padding: 14px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .site-header.nav-open .site-nav a {
    padding: 12px;
  }

  .intro-grid,
  .programme-grid,
  .split-section,
  .mission-band,
  .about-band,
  .contact-band {
    grid-template-columns: 1fr;
  }

  .contact-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 760px) {
  .resource-coming {
    grid-template-columns: 1fr;
  }

  .resource-visual {
    min-height: 250px;
    aspect-ratio: 16 / 10;
  }
}

@media (max-width: 640px) {
  .hero {
    min-height: 86vh;
    padding: 118px 20px 48px;
  }

  h1 {
    font-size: clamp(2.75rem, 12vw, 4rem);
  }

  .hero-actions,
  .contact-actions {
    display: grid;
  }

  .button,
  .header-cta {
    width: 100%;
  }

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

  .lead-form,
  .resource-grid {
    grid-template-columns: 1fr;
  }

  .resource-grid h3,
  .resource-grid p,
  .resource-grid a,
  .resource-grid .coming-soon {
    margin-left: 18px;
    margin-right: 18px;
  }
}
