/*
 * JEJU AI Creators — 2026 AI특화 콘텐츠 창작자 양성 랜딩페이지 전용 스타일
 * --------------------------------------------------------------
 * weniv style system(tokens, components) 위에 얹어 사용.
 * 전용 클래스에는 .lp- 접두사를 붙임.
 */

/* -------- 부드러운 스크롤 (앵커 이동) -------- */
html {
  scroll-behavior: smooth;
  /* 스티키 헤더(7.2rem) 가려짐 보정 */
  scroll-padding-top: 8rem;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* -------- 헤더 / 네비게이션 -------- */
.lp-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(var(--background-rgb), .85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid rgba(var(--grayLv2-rgb), .4);
}
.lp-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: 7.2rem;
}
.lp-logo {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--surface);
  white-space: nowrap;
}
.lp-logo__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.2rem;
  height: 3.2rem;
  background: var(--primary);
  color: var(--primary-text);
  border-radius: 1rem;
  font-weight: 800;
  font-size: 1.4rem;
}
.lp-nav {
  display: flex;
  gap: 2.4rem;
  align-items: center;
}
.lp-nav a {
  color: var(--grayLv4);
  font-size: 1.5rem;
  font-weight: 500;
  transition: color .15s;
}
.lp-nav a:hover { color: var(--primary); }
.lp-header__cta { display: flex; gap: .8rem; }

@media (max-width: 900px) {
  .lp-nav { display: none; }
}

/* -------- 공통 섹션 -------- */
.lp-section {
  padding: 9rem 0;
}
.lp-section--gray {
  background: var(--grayLv1);
}
.lp-section__head {
  text-align: center;
  margin-bottom: 5.6rem;
}
.lp-eyebrow {
  display: inline-block;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}
.lp-section__title {
  font-size: clamp(2.8rem, 3.4vw, 4rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 1.6rem;
  letter-spacing: -.02em;
}
.lp-section__desc {
  font-size: clamp(1.5rem, 1.5vw, 1.7rem);
  color: var(--grayLv4);
  line-height: 1.7;
  max-width: 64rem;
  margin: 0 auto;
}

@media (max-width: 767px) {
  .lp-section { padding: 6rem 0; }
}

/* -------- HERO -------- */
.lp-hero {
  position: relative;
  padding: 8rem 0 10rem;
  overflow: hidden;
  background:
    radial-gradient(ellipse at top right, rgba(var(--primary-rgb), .12), transparent 60%),
    radial-gradient(ellipse at bottom left, rgba(var(--primary-rgb), .08), transparent 55%);
}
.lp-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 6rem;
  align-items: center;
}
.lp-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  padding: .8rem 1.6rem;
  background: var(--activation);
  color: var(--primary-a11y);
  border-radius: 5rem;
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 2.4rem;
}
.lp-hero__badge::before {
  content: "";
  width: .8rem;
  height: .8rem;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 .4rem rgba(var(--primary-rgb), .25);
}
.lp-hero__title {
  font-size: clamp(3.4rem, 5.4vw, 6.4rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.025em;
  margin-bottom: 2.4rem;
}
.lp-hero__title .lp-hl {
  background: linear-gradient(120deg, var(--primary) 0%, #6c9bff 100%);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.lp-hero__desc {
  font-size: clamp(1.6rem, 1.8vw, 2rem);
  color: var(--grayLv4);
  line-height: 1.6;
  margin-bottom: 4rem;
}
.lp-hero__ctas {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}
.lp-hero__meta {
  margin-top: 4rem;
  display: flex;
  gap: 3.2rem;
  flex-wrap: wrap;
}
.lp-hero__meta-item .lp-num {
  display: block;
  font-size: 3rem;
  font-weight: 800;
  color: var(--surface);
  letter-spacing: -.02em;
}
.lp-hero__meta-item .lp-lab {
  font-size: 1.3rem;
  color: var(--grayLv3);
  margin-top: .4rem;
}

/* hero 3D visual */
.lp-hero__visual {
  position: relative;
  width: 100%;
  max-width: 56rem;
  aspect-ratio: 1 / 1;
  justify-self: end;
  min-height: 48rem;
  cursor: grab;
}
.lp-hero__visual:active { cursor: grabbing; }

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  display: block;
  /* 캔버스 뒤로 은은한 글로우 */
  filter: drop-shadow(0 20px 60px rgba(var(--primary-rgb), .25));
}

.lp-hero__hint {
  position: absolute;
  left: 50%;
  bottom: 1.2rem;
  transform: translateX(-50%);
  font-size: 1.2rem;
  letter-spacing: .12em;
  color: var(--grayLv3);
  text-transform: uppercase;
  opacity: .7;
  pointer-events: none;
  user-select: none;
  animation: lp-hint-pulse 2.4s ease-in-out infinite;
}
@keyframes lp-hint-pulse {
  0%, 100% { opacity: .35; }
  50%      { opacity: .85; }
}

@media (max-width: 900px) {
  .lp-hero__inner {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  .lp-hero__visual { display: none; }
}

/* -------- About / 특징 -------- */
.lp-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.4rem;
}
.lp-feature {
  padding: 3.2rem;
  border-radius: 2rem;
  background: var(--background);
  border: 1px solid rgba(var(--grayLv2-rgb), .5);
  transition: transform .2s, box-shadow .2s;
}
.lp-feature:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px -12px rgba(var(--surface-rgb), .12);
}
.lp-feature__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 5.2rem;
  height: 5.2rem;
  border-radius: 1.4rem;
  background: var(--activation);
  color: var(--primary);
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 2rem;
}
.lp-feature__title {
  font-size: 1.9rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -.01em;
}
.lp-feature__desc {
  font-size: 1.5rem;
  line-height: 1.6;
  color: var(--grayLv4);
}

@media (max-width: 900px) {
  .lp-features { grid-template-columns: 1fr; }
}

/* -------- 트랙 카드 -------- */
.lp-tracks {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(28rem, 1fr));
  gap: 2.4rem;
}
.lp-track {
  display: flex;
  flex-direction: column;
  padding: 3rem 2.8rem;
  border-radius: 2rem;
  background: var(--background);
  box-shadow: var(--effect-shadow);
  border: 1px solid rgba(var(--grayLv2-rgb), .5);
  position: relative;
  transition: transform .2s, box-shadow .2s, border-color .2s;
  overflow: hidden;
}
.lp-track::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: .4rem;
  background: var(--primary);
  opacity: .8;
}
.lp-track:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px -12px rgba(var(--primary-rgb), .25);
  border-color: rgba(var(--primary-rgb), .4);
}
.lp-track__num {
  display: inline-block;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .08em;
  margin-bottom: .8rem;
}
.lp-track__name {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -.01em;
  margin-bottom: 1.6rem;
}
.lp-track__tag {
  display: inline-block;
  padding: .4rem 1rem;
  border-radius: 999px;
  background: var(--grayLv1);
  color: var(--grayLv4);
  font-size: 1.2rem;
  font-weight: 600;
  margin-left: .6rem;
}
.lp-track__list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: auto;
  padding-top: 1.6rem;
  border-top: 1px dashed rgba(var(--grayLv2-rgb), .8);
}
.lp-track__row {
  display: flex;
  gap: 1.2rem;
  font-size: 1.4rem;
  line-height: 1.6;
}
.lp-track__row dt {
  flex-shrink: 0;
  width: 5.4rem;
  color: var(--grayLv3);
  font-weight: 600;
}
.lp-track__row dd {
  color: var(--grayLv4);
  font-weight: 500;
}
.lp-track__instructor {
  color: var(--surface);
  font-weight: 700;
}

/* -------- 커리큘럼 테이블 -------- */
.lp-curr {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.6rem;
}
.lp-curr__item {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1.6rem;
  padding: 2rem 2.4rem;
  background: var(--background);
  border-radius: 1.6rem;
  border: 1px solid rgba(var(--grayLv2-rgb), .5);
}
.lp-curr__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--activation);
  color: var(--primary-a11y);
  font-size: 1.3rem;
  font-weight: 700;
  border-radius: 1rem;
  padding: .6rem 0;
  height: max-content;
  min-width: 6rem;
}
.lp-curr__title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: .6rem;
  letter-spacing: -.01em;
}
.lp-curr__desc {
  font-size: 1.4rem;
  line-height: 1.6;
  color: var(--grayLv4);
  margin-bottom: .8rem;
}
.lp-curr__tools {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}
.lp-curr__tool {
  display: inline-block;
  padding: .3rem .8rem;
  border-radius: .6rem;
  background: var(--grayLv1);
  color: var(--grayLv4);
  font-size: 1.2rem;
  font-weight: 500;
}

@media (max-width: 767px) {
  .lp-curr { grid-template-columns: 1fr; }
}

/* -------- 포트폴리오 -------- */
.lp-portfolio {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 6rem;
  align-items: center;
}
.lp-portfolio__list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.lp-portfolio__row {
  display: flex;
  gap: 1.6rem;
  padding: 1.8rem 2rem;
  background: var(--background);
  border-radius: 1.4rem;
  border: 1px solid rgba(var(--grayLv2-rgb), .5);
}
.lp-portfolio__row strong {
  flex-shrink: 0;
  width: 9rem;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.4rem;
}
.lp-portfolio__row span {
  color: var(--grayLv4);
  font-size: 1.5rem;
  line-height: 1.6;
}
.lp-portfolio__visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: 2.4rem;
  background:
    linear-gradient(135deg, rgba(var(--primary-rgb), .85), rgba(var(--primary-rgb), .55)),
    linear-gradient(45deg, #2e6ff2, #6c9bff);
  display: flex;
  align-items: end;
  padding: 3.2rem;
  color: var(--primary-text);
  overflow: hidden;
}
.lp-portfolio__visual::before {
  content: "▶";
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 6rem;
  opacity: .9;
}
.lp-portfolio__visual-text {
  position: relative;
  z-index: 1;
}
.lp-portfolio__visual-text small {
  display: block;
  font-size: 1.2rem;
  letter-spacing: .1em;
  opacity: .8;
  margin-bottom: .8rem;
}
.lp-portfolio__visual-text strong {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.4;
}

@media (max-width: 900px) {
  .lp-portfolio { grid-template-columns: 1fr; gap: 4rem; }
  .lp-portfolio__visual { max-width: 36rem; margin: 0 auto; }
}

/* -------- 모집 안내 / 일정 -------- */
.lp-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(24rem, 1fr));
  gap: 1.6rem;
}
.lp-info__item {
  padding: 2.8rem 2.4rem;
  border-radius: 1.6rem;
  background: var(--background);
  border: 1px solid rgba(var(--grayLv2-rgb), .5);
}
.lp-info__label {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--primary);
  margin-bottom: 1rem;
  text-transform: uppercase;
}
.lp-info__value {
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: .6rem;
}
.lp-info__sub {
  font-size: 1.4rem;
  color: var(--grayLv3);
}

/* -------- FAQ -------- */
.lp-faq {
  max-width: 78rem;
  margin: 0 auto;
}
.lp-faq__item {
  border-bottom: 1px solid rgba(var(--grayLv2-rgb), .8);
}
.lp-faq__item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  padding: 2.4rem 0;
  font-size: 1.7rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  letter-spacing: -.01em;
}
.lp-faq__item summary::-webkit-details-marker { display: none; }
.lp-faq__item summary::after {
  content: "+";
  font-size: 2.4rem;
  font-weight: 400;
  color: var(--grayLv3);
  transition: transform .2s;
}
.lp-faq__item[open] summary::after {
  content: "−";
  color: var(--primary);
}
.lp-faq__item p {
  padding: 0 0 2.4rem;
  font-size: 1.5rem;
  line-height: 1.7;
  color: var(--grayLv4);
}

/* -------- 최종 CTA -------- */
.lp-cta {
  position: relative;
  padding: 8rem 0;
  overflow: hidden;
  background: linear-gradient(135deg, #1a4ad6 0%, #2e6ff2 60%, #5a8dff 100%);
  color: var(--primary-text);
  text-align: center;
}
.lp-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, .15), transparent 40%),
    radial-gradient(circle at 80% 30%, rgba(255, 255, 255, .1), transparent 45%);
}
.lp-cta__inner {
  position: relative;
  z-index: 1;
}
.lp-cta__title {
  font-size: clamp(2.6rem, 4vw, 4.4rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.02em;
  margin-bottom: 2rem;
}
.lp-cta__desc {
  font-size: clamp(1.5rem, 1.6vw, 1.8rem);
  opacity: .9;
  margin-bottom: 4rem;
  line-height: 1.7;
}
.lp-cta .btn--primary {
  background: var(--background);
  color: var(--primary);
  font-weight: 700;
  font-size: 1.7rem;
  height: 6.4rem;
  width: 24rem;
  border-radius: 1.8rem;
}
.lp-cta .btn--primary:hover {
  background: var(--grayLv1);
}
.lp-cta__hint {
  margin-top: 2rem;
  font-size: 1.4rem;
  opacity: .8;
}

/* -------- Footer -------- */
.lp-footer {
  padding: 4rem 0 4rem;
  border-top: 1px solid rgba(var(--grayLv2-rgb), .5);
  color: var(--grayLv3);
  font-size: 1.3rem;
}
.lp-footer__inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: start;
}
.lp-footer__brand {
  font-weight: 700;
  color: var(--grayLv4);
  font-size: 1.5rem;
  margin-bottom: .8rem;
}
.lp-footer__row {
  line-height: 1.8;
}

/* -------- 유틸 -------- */
.lp-divider {
  height: 1px;
  background: rgba(var(--grayLv2-rgb), .6);
  border: 0;
  margin: 0;
}