/* =========================================================
   NoTalk Case Study — CSS  [FULL RENEWAL v3]
   Color: #83D8BF (Mint) · #7D6DFF (Purple)
   BG: #F6F4FF  Ink: #1E1B3A
========================================================= */

/* ── Variables ─────────────────────────────────────── */
:root {
  --n-mint:    #83D8BF;
  --n-purple:  #7D6DFF;
  --n-grad:    linear-gradient(135deg, #83D8BF 0%, #7D6DFF 100%);
  --n-grad-r:  linear-gradient(135deg, #7D6DFF 0%, #83D8BF 100%);

  --n-bg:      #F6F4FF;
  --n-ink:     #1E1B3A;
  --n-ink2:    #3A3660;
  --n-muted:   #8580A6;
  --n-white:   #FFFFFF;
  --n-soft:    #EDEAFF;
  --n-line:    rgba(125,109,255,.10);
  --n-line-m:  rgba(125,109,255,.20);

  --n-food:    #FF7C38;
  --n-drink:   #3AA1CD;
  --n-hobby:   #7D6DFF;
  --n-self:    #53C563;
  --n-culture: #E458BA;

  --n-r-xl:  32px;
  --n-r-lg:  24px;
  --n-r-md:  16px;
  --n-r-sm:  10px;
  --n-r-pill: 999px;

  --n-max:   1160px;
  --n-ease:  cubic-bezier(.22,1,.36,1);

  --n-s-xs: 8px;
  --n-s-sm: 16px;
  --n-s-md: 24px;
  --n-s-lg: 40px;
  --n-s-xl: 64px;
}

/* ── Base ───────────────────────────────────────────── */
.ntk-page {
  position: relative;
  background: var(--n-bg);
  color: var(--n-ink);
  font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: -.015em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
.ntk-page *, .ntk-page *::before, .ntk-page *::after { box-sizing: border-box; }
.ntk-page a { color: inherit; text-decoration: none; }
.ntk-page img { display: block; max-width: 100%; }
.ntk-page button { font-family: inherit; cursor: pointer; }

/* 스크롤톱 버튼 */
body:has(.ntk-page) .scroll-top-btn {
  background: var(--n-grad); border-color: transparent; color: #fff;
  box-shadow: 0 8px 24px rgba(125,109,255,.35);
}

/* 헤더 */
body:has(.ntk-page) .site-header {
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-color: var(--line);
  box-shadow: none;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
body:has(.ntk-page) .site-header.is-scrolled { background: color-mix(in srgb, var(--bg) 90%, transparent); }
body:has(.ntk-page) .brand,
body:has(.ntk-page) .gnb a,
body:has(.ntk-page) .menu-toggle { color: var(--text); }
body:has(.ntk-page) .brand-sub { color: var(--dim); }
body:has(.ntk-page) .menu-toggle {
  border-color: var(--line);
  background: var(--glass);
}
body:has(.ntk-page) .menu-toggle + .gnb {
  background: var(--glass-strong);
  border-color: var(--line);
}
body:has(.ntk-page) .menu-toggle + .gnb a {
  color: var(--text);
}
body:has(.ntk-page) .menu-toggle + .gnb .gnb-aboutme {
  color: #fff;
}
body:has(.ntk-page) .gnb-divider {
  background: var(--line);
}

/* ── Layout utils ───────────────────────────────────── */
.ntk-container {
  width: min(calc(100% - 48px), var(--n-max));
  margin: 0 auto;
}

.ntk-section {
  padding: clamp(80px,10vw,136px) 0;
  border-top: 1px solid var(--n-line);
}

/* ── 공통 텍스트 ────────────────────────────────────── */
.ntk-label {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 5px 14px 5px 10px;
  border-radius: var(--n-r-pill);
  background: rgba(125,109,255,.08);
  border: 1px solid var(--n-line-m);
  color: var(--n-purple);
  font-size: 12px; font-weight: 800;
  letter-spacing: .18em; text-transform: uppercase;
  margin-bottom: 20px;
}
.ntk-label::before {
  content: ''; width: 6px; height: 6px;
  border-radius: 50%; background: var(--n-purple); flex-shrink: 0;
}
.ntk-label--light {
  background: rgba(131,216,191,.14);
  border-color: rgba(131,216,191,.30);
  color: var(--n-mint);
}
.ntk-label--light::before { background: var(--n-mint); }

.ntk-heading {
  font-size: clamp(30px,4vw,54px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.035em;
  margin: 0;
  color: var(--n-ink);
}
.ntk-heading em {
  font-style: normal;
  background: var(--n-grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ntk-heading-sub {
  margin: 18px 0 0;
  font-size: clamp(16px,1.5vw,18px);
  color: var(--n-muted);
  line-height: 1.75;
  max-width: 560px;
}

.ntk-section-head { margin-bottom: clamp(44px,6vw,76px); }

/* 중앙 정렬 섹션 헤드 */
.ntk-section-head--center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.ntk-section-head--center .ntk-heading-sub {
  max-width: 520px;
}

/* 그라디언트 텍스트 공통 */
.ntk-grad-text {
  background: var(--n-grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Reveal — GSAP가 fromTo로 직접 제어, CSS는 GSAP 미로드 시 fallback만 */
.ntk-reveal { will-change: opacity, transform; }
.ntk-reveal.is-visible { opacity: 1 !important; transform: translateY(0) !important; }

/* GSAP 로드 전 깜빡임 방지 — 초기값은 CSS에서 지정하지 않고 GSAP에 위임 */

/* Chip */
.ntk-chip {
  display: inline-block;
  padding: 6px 16px;
  border-radius: var(--n-r-pill);
  background: rgba(125,109,255,.10);
  border: 1px solid rgba(125,109,255,.22);
  font-size: 12px; font-weight: 700;
  color: var(--n-purple); letter-spacing: .04em;
}

/* CTA 버튼 */
.ntk-cta {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 36px;
  border-radius: var(--n-r-pill);
  background: var(--n-grad);
  color: #fff; font-size: 16px; font-weight: 800;
  box-shadow: 0 8px 28px rgba(125,109,255,.38);
  transition: transform .3s var(--n-ease), box-shadow .3s;
}
.ntk-cta:hover { transform: translateY(-4px); box-shadow: 0 16px 44px rgba(125,109,255,.50); }
.ntk-cta .material-symbols-rounded { font-size: 18px; }


/* ══════════════════════════════════════════════════════
   SECTION INDEX
══════════════════════════════════════════════════════ */
.ntk-index {
  position: fixed; right: 24px; top: 50%;
  transform: translateY(-50%);
  display: flex; flex-direction: column; z-index: 90;
}
.ntk-index a {
  display: flex; align-items: center; gap: 10px;
  justify-content: flex-end; padding: 8px 0;
}
.ntk-index a em {
  order: 2; flex-shrink: 0;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--n-line-m);
  transition: background .3s, transform .3s;
  font-style: normal;
}
.ntk-index a span {
  order: 1; font-size: 12px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--n-muted); opacity: 0; transform: translateX(6px);
  transition: opacity .25s, transform .25s, color .25s;
  white-space: nowrap;
}
.ntk-index a:hover span,
.ntk-index a.is-active span { opacity: 1; transform: translateX(0); }
.ntk-index a.is-active em { background: var(--n-purple); transform: scale(1.5); }


/* ══════════════════════════════════════════════════════
   01 HERO
══════════════════════════════════════════════════════ */
.ntk-hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  overflow: hidden;
  background: var(--n-bg);
}

/* Orb 배경 */
.ntk-hero-orbs { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.ntk-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .55;
}
.ntk-orb--a {
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(131,216,191,.40), transparent 70%);
  top: -10%; left: -8%;
}
.ntk-orb--b {
  width: 440px; height: 440px;
  background: radial-gradient(circle, rgba(125,109,255,.35), transparent 70%);
  bottom: 0; right: -6%;
}
.ntk-orb--c {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(131,216,191,.25), transparent 70%);
  bottom: 20%; left: 30%;
}

/* 캐릭터 — 카피 블록 주변 좌우 근접 배치 */
.ntk-hero-chars { position: absolute; inset: 0; pointer-events: none; z-index: 1; }
.ntk-hc {
  position: absolute;
  width: clamp(60px,5.5vw,88px);
  opacity: .5;
  filter: drop-shadow(0 8px 20px rgba(125,109,255,.22));
  animation: ntk-bob 5s ease-in-out infinite;
}
/* 상단 — 카피 위쪽 좌우 */
.ntk-hc--1 { top: 10%; left: 16%;  animation-delay: 0s; }
.ntk-hc--2 { top:  7%; right: 16%; animation-delay: .9s; }
/* 중간 — 카피 좌우 바로 옆 */
.ntk-hc--3 { top: 44%; left: 9%;  animation-delay: 1.5s; }
.ntk-hc--4 { top: 44%; right: 9%; animation-delay: .4s; }
/* 하단 — 카피 아래 좌우 */
.ntk-hc--5 { bottom: 18%; left: 16%; animation-delay: 1.1s; }
.ntk-hc--6 { bottom: 18%; right: 16%; animation-delay: 2s; }
@keyframes ntk-bob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-14px)} }

/* Hero inner */
.ntk-hero-inner {
  position: relative; z-index: 2;
  display: flex; flex-direction: column;
  align-items: center;
  gap: 28px;
  padding-top: clamp(80px,10vw,120px);
  padding-bottom: clamp(48px,6vw,72px);
  width: 100%;
}

/* 중앙 정렬 히어로 콘텐츠 */
.ntk-hero-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0;
  width: 100%;
  max-width: 640px;
  margin-bottom: 50px;
}
.ntk-hero-center .ntk-chip {
  margin-bottom: 20px;
}
.ntk-hero-logo {
  width: clamp(64px,7vw,100px);
  height: auto;
  margin-bottom: 20px;
  filter: drop-shadow(0 8px 24px rgba(125,109,255,.25));
}
.ntk-hero-title {
  font-size: clamp(40px,6.5vw,80px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -.045em;
  margin: 0 0 16px;
  color: var(--n-ink);
}
.ntk-hero-title em {
  font-style: normal;
  background: var(--n-grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ntk-hero-desc {
  font-size: clamp(15px,1.4vw,17px);
  color: var(--n-muted);
  line-height: 1.72;
  margin: 0 0 24px;
}
.ntk-hero-desc strong { color: var(--n-ink); font-weight: 800; }

/* 메타 바 — 인라인 리스트 */
.ntk-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  width: 70%;
  border-top: 1px solid var(--n-line-m);
  padding-top: 16px;
  justify-content: center;
}
.ntk-hero-meta > div {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 0 16px 0 0;
  margin-right: 16px;
  border-right: 1px solid var(--n-line-m);
}
.ntk-hero-meta > div:last-child {
  border-right: none;
  padding-right: 0;
  margin-right: 0;
}
.ntk-hero-meta dt {
  font-size: 11px; font-weight: 800;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--n-purple);
  white-space: nowrap; flex-shrink: 0;
}
.ntk-hero-meta dd {
  font-size: 12px; font-weight: 500;
  color: var(--n-muted); margin: 0;
}

/* 스크롤 힌트 */
.ntk-scroll-hint {
  position: absolute; bottom: 28px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex; flex-direction: column; align-items: center;
  animation: ntk-bob-sm 2s ease-in-out infinite;
  color: var(--n-muted);
}
.ntk-scroll-hint .material-symbols-rounded { font-size: 28px; }
@keyframes ntk-bob-sm { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(5px)} }


/* ══════════════════════════════════════════════════════
   02 PROBLEM
══════════════════════════════════════════════════════ */
.ntk-problem-section {}

/* 3개 문제 카드 */
.ntk-problem-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: clamp(44px,6vw,72px);
}

.ntk-prob-card {
  position: relative;
  background: var(--n-white);
  border-radius: var(--n-r-xl);
  border: 1px solid var(--n-line);
  padding: clamp(24px,3vw,40px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform .35s var(--n-ease), box-shadow .35s;
}
.ntk-prob-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--n-grad);
  opacity: 0;
  transition: opacity .3s;
}
.ntk-prob-card:hover { transform: translateY(-6px); box-shadow: 0 20px 52px rgba(125,109,255,.13); }
.ntk-prob-card:hover::before { opacity: 1; }

.ntk-prob-card--mid {
  background: linear-gradient(160deg, var(--n-soft) 0%, #E5F8F4 100%);
  border-color: var(--n-line-m);
}
.ntk-prob-card--mid::before { opacity: 1; }

.ntk-prob-icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  background: rgba(125,109,255,.10);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.ntk-prob-icon .material-symbols-rounded {
  font-size: 22px; color: var(--n-purple);
  font-variation-settings: 'FILL' 1;
}
.ntk-prob-card--mid .ntk-prob-icon { background: rgba(131,216,191,.18); }
.ntk-prob-card--mid .ntk-prob-icon .material-symbols-rounded { color: #2AA882; }

.ntk-prob-text { flex: 1; }
.ntk-prob-text h3 { font-size: 17px; font-weight: 800; margin: 0 0 10px; color: var(--n-ink); }
.ntk-prob-text p { font-size: 16px; line-height: 1.72; color: var(--n-muted); margin: 0; }

.ntk-prob-char {
  display: flex; justify-content: flex-end;
  margin-top: 8px;
}
.ntk-prob-char img { width: 64px; height: 64px; object-fit: contain; }

/* 통계 띠 */
.ntk-stat-band {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  background: var(--n-ink);
  border-radius: var(--n-r-xl);
  padding: clamp(28px,3.5vw,44px) clamp(24px,3vw,48px);
  margin-bottom: clamp(36px,4.5vw,56px);
  gap: 0;
}
.ntk-stat-item {
  display: flex; flex-direction: column; gap: 10px;
  text-align: center;
}
.ntk-stat-num {
  font-family: 'Nunito', sans-serif;
  font-size: clamp(36px,4.5vw,56px);
  font-weight: 900; line-height: 1; letter-spacing: -.04em;
  background: var(--n-grad);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}
.ntk-stat-num small { font-size: .44em; font-weight: 800; letter-spacing: 0; vertical-align: middle; -webkit-text-fill-color: transparent; }
.ntk-stat-item p { font-size: 12px; line-height: 1.65; color: rgba(255,255,255,.45); margin: 0; }
.ntk-stat-item p em { font-style: normal; font-weight: 700; color: rgba(255,255,255,.80); display: block; margin-top: 2px; }

.ntk-stat-sep {
  width: 1px; height: 60px;
  background: rgba(255,255,255,.10);
  margin: 0 clamp(16px,2.5vw,36px);
}

/* 마퀴 */
.ntk-marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.ntk-marquee-track {
  display: flex; gap: 12px; width: max-content;
  animation: ntk-marquee 20s linear infinite;
}
.ntk-marquee-track span {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  border-radius: var(--n-r-pill);
  background: var(--n-white);
  border: 1px solid var(--n-line-m);
  font-size: 16px; font-weight: 700;
  white-space: nowrap; color: var(--n-ink);
}
.ntk-marquee-track span img { width: 22px; height: 22px; object-fit: contain; }
@keyframes ntk-marquee { from{transform:translateX(0)} to{transform:translateX(-50%)} }


/* ══════════════════════════════════════════════════════
   03 GOAL
══════════════════════════════════════════════════════ */
.ntk-goal-section { background: var(--n-white); }

/* 4열 균등 그리드 */
.ntk-goal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.ntk-goal-card {
  background: var(--n-bg);
  border: 1px solid var(--n-line);
  border-radius: var(--n-r-xl);
  padding: 28px 24px 24px;
  display: flex; flex-direction: column; gap: 12px;
  transition: transform .3s var(--n-ease), box-shadow .3s, border-color .25s;
}
.ntk-goal-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(125,109,255,.12);
  border-color: var(--n-line-m);
}

/* 번호 + 아이콘 행 */
.ntk-goal-card-top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 4px;
}

.ntk-goal-num {
  font-family: 'Nunito', sans-serif;
  font-size: 12px; font-weight: 900; letter-spacing: .1em;
  color: var(--n-purple);
  background: rgba(125,109,255,.10);
  border-radius: var(--n-r-pill); padding: 4px 10px;
  display: inline-block;
}

.ntk-goal-icon {
  width: 48px; height: 48px; object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(125,109,255,.15));
}

.ntk-goal-card h3 {
  font-size: 17px; font-weight: 800;
  color: var(--n-ink); margin: 0;
  letter-spacing: -.02em;
}
.ntk-goal-card p {
  font-size: 14px; line-height: 1.7;
  color: var(--n-muted); margin: 0; flex: 1;
}
.ntk-goal-tag {
  display: inline-block; align-self: flex-start;
  padding: 4px 12px; border-radius: var(--n-r-pill);
  background: var(--n-soft);
  border: 1px solid var(--n-line-m);
  font-size: 12px; font-weight: 700;
  color: var(--n-purple);
}


/* ══════════════════════════════════════════════════════
   04 INSIGHT
══════════════════════════════════════════════════════ */
.ntk-insight-section { background: var(--n-bg); }

/* Before / After */
.ntk-ba-wrap {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: clamp(16px,3vw,40px);
  align-items: center;
  margin-bottom: clamp(40px,5.5vw,64px);
}

.ntk-ba-col {
  border-radius: var(--n-r-xl);
  padding: clamp(28px,3.5vw,44px);
}
.ntk-ba-col--before {
  background: var(--n-ink);
  border: 1px solid rgba(255,255,255,.06);
}
.ntk-ba-col--after {
  background: var(--n-white);
  border: 1px solid var(--n-line);
}

.ntk-ba-label-row { margin-bottom: 24px; }

.ntk-ba-badge {
  display: inline-block; padding: 5px 16px;
  border-radius: var(--n-r-pill);
  font-size: 12px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase;
}
.ntk-ba-badge--before { background: rgba(125,109,255,.25); color: rgba(125,109,255,1); }
.ntk-ba-badge--after  { background: var(--n-grad); color: #fff; }

.ntk-ba-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 22px; }
.ntk-ba-list li { display: flex; gap: 14px; align-items: flex-start; }

.ntk-ba-icon {
  flex-shrink: 0; width: 28px; height: 28px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-variation-settings: 'FILL' 1; margin-top: 1px;
}
.ntk-ba-icon--x { background: rgba(255,255,255,.10); color: rgba(255,255,255,.5); }
.ntk-ba-icon--ok { background: linear-gradient(135deg,rgba(131,216,191,.2),rgba(125,109,255,.2)); color: var(--n-purple); }

.ntk-ba-col--before .ntk-ba-list li b { display: block; font-size: 16px; font-weight: 800; margin-bottom: 4px; color: rgba(255,255,255,.88); }
.ntk-ba-col--before .ntk-ba-list li p { font-size: 16px; line-height: 1.65; color: rgba(255,255,255,.42); margin: 0; }
.ntk-ba-col--after .ntk-ba-list li b { display: block; font-size: 16px; font-weight: 800; margin-bottom: 4px; color: var(--n-ink); }
.ntk-ba-col--after .ntk-ba-list li p { font-size: 16px; line-height: 1.65; color: var(--n-muted); margin: 0; }

/* 화살표 */
.ntk-ba-arrow {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.ntk-ba-arrow .material-symbols-rounded {
  font-size: 28px; color: var(--n-purple);
  background: rgba(125,109,255,.12); border-radius: 50%; padding: 8px;
  font-variation-settings: 'FILL' 0;
}
.ntk-ba-arrow-label {
  font-size: 12px; font-weight: 800; letter-spacing: .1em;
  color: var(--n-purple); text-transform: uppercase;
}

/* Key Insight */
.ntk-key-insights {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.ntk-key-item {
  display: flex; gap: 18px; align-items: flex-start;
  background: var(--n-white);
  border: 1px solid var(--n-line);
  border-radius: var(--n-r-xl);
  padding: clamp(24px,3vw,36px);
  transition: box-shadow .28s;
}
.ntk-key-item:hover { box-shadow: 0 8px 32px rgba(125,109,255,.10); }
.ntk-key-icon {
  flex-shrink: 0; font-size: 24px; color: var(--n-mint);
  background: rgba(131,216,191,.15); border-radius: 12px;
  padding: 10px; font-variation-settings: 'FILL' 1;
}
.ntk-key-item b { display: block; font-size: 16px; font-weight: 800; margin-bottom: 7px; color: var(--n-ink); }
.ntk-key-item p { font-size: 16px; line-height: 1.7; color: var(--n-muted); margin: 0; }


/* ══════════════════════════════════════════════════════
   05 DESIGN SYSTEM
══════════════════════════════════════════════════════ */
.ntk-system-section { background: var(--n-white); }

.ntk-ds-label {
  font-size: 12px; font-weight: 800; letter-spacing: .13em;
  text-transform: uppercase; color: var(--n-purple); margin: 0 0 20px;
  display: block;
}
.ntk-ds-sublabel {
  font-size: 12px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--n-muted); margin: 16px 0 12px;
  display: block;
}

/* ① 컬러 + 타이포 가로 배치 */
.ntk-ds-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.ntk-ds-color, .ntk-ds-typo {
  background: var(--n-bg);
  border: 1px solid var(--n-line);
  border-radius: var(--n-r-xl);
  padding: clamp(24px,3vw,40px);
}

/* 컬러 */
.ntk-color-grad-row {
  display: flex; gap: 16px; align-items: center;
  margin-bottom: 16px;
}
.ntk-color-grad-bar {
  flex-shrink: 0; width: 64px; height: 64px;
  border-radius: 16px; background: var(--n-grad);
}
.ntk-color-grad-info { display: flex; flex-direction: column; gap: 3px; }
.ntk-color-grad-info strong { font-size: 16px; font-weight: 800; color: var(--n-ink); }
.ntk-color-grad-info span { font-size: 12px; font-weight: 600; color: var(--n-purple); }
.ntk-color-grad-info small { font-size: 12px; color: var(--n-muted); line-height: 1.55; }

.ntk-swatches { display: flex; gap: 8px; margin-bottom: 4px; }
.ntk-swatch {
  flex: 1; height: 52px; border-radius: 12px;
  display: flex; align-items: flex-end; padding: 6px 9px;
}
.ntk-swatch span { font-size: 12px; font-weight: 700; color: rgba(255,255,255,.9); }
.ntk-swatch--light span { color: rgba(255,255,255,.9); }
.ntk-swatch--border { border: 1px solid var(--n-line-m); }
.ntk-swatch--border span { color: var(--n-muted); }

.ntk-cat-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.ntk-cat-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px 6px 8px;
  border-radius: var(--n-r-pill);
  font-size: 12px; font-weight: 700; color: #fff;
}
.ntk-cat-chip img { width: 18px; height: 18px; object-fit: contain; }

/* 타이포 */
.ntk-typo-rows { display: flex; flex-direction: column; gap: 0; }
.ntk-typo-row {
  display: flex;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid var(--n-line);
  gap: 0;
}
.ntk-typo-row:last-child { border-bottom: none; }

/* 폰트 샘플 — 왼쪽 1fr */
.ntk-typo-row > span:first-child { flex: 1; min-width: 0; }

/* 세로 구분선 */
.ntk-typo-sep {
  display: block; flex-shrink: 0;
  width: 1px; height: 22px;
  background: var(--n-line-m);
  margin: 0 16px;
}

/* 메타 래퍼 — 오른쪽 고정 너비, 가로 나열 */
.ntk-typo-meta {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.ntk-typo-meta b     { font-size: 12px; font-weight: 700; color: var(--n-ink); white-space: nowrap; }
.ntk-typo-meta small { font-size: 12px; color: var(--n-purple); white-space: nowrap; }
.ntk-typo-meta em    { font-style: normal; font-size: 12px; color: var(--n-muted); white-space: nowrap; }
.ntk-typo-note { font-size: 12px; line-height: 1.7; color: var(--n-muted); margin: 14px 0 0; padding-top: 14px; border-top: 1px solid var(--n-line); }

/* ② + ③ 나란히 배치 래퍼 */
.ntk-ds-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}

/* UI Component 블록 */
.ntk-ds-comp {
  background: var(--n-bg);
  border: 1px solid var(--n-line);
  border-radius: var(--n-r-xl);
  padding: clamp(24px,3vw,40px);
  display: flex;
  flex-direction: column;
  gap: 20px;
  height: 100%;
}

/* 버튼 2열 그리드 (라벨은 span 2) */
.ntk-btn-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.ntk-btn-grid-title {
  grid-column: 1 / -1;
  margin-bottom: 0;
}
/* input도 2열 span */
.ntk-btn-grid .ntk-input {
  grid-column: 1 / -1;
}

.ntk-comp-group { display: flex; flex-direction: column; gap: 10px; }
.ntk-comp-sublabel { font-size: 12px; font-weight: 700; color: var(--n-muted); letter-spacing: .06em; margin-bottom: 2px; display: block; }

.ntk-btn {
  width: 100%; height: 44px; border-radius: 12px;
  font-family: 'Pretendard', sans-serif; font-size: 16px; font-weight: 700;
  border: none; transition: opacity .2s, transform .15s;
}
.ntk-btn--primary   { background: var(--n-grad); color: #fff; }
.ntk-btn--secondary { background: var(--n-purple); color: #fff; }
.ntk-btn--outline   { background: transparent; border: 1.5px solid var(--n-purple); color: var(--n-purple); }
.ntk-btn--disabled  { background: #E2E0EC; color: #AAA6C0; }
.ntk-btn:not(:disabled):hover { opacity: .85; transform: translateY(-1px); }

.ntk-input {
  width: 100%; height: 44px; border-radius: 12px;
  border: 1.5px solid var(--n-line-m); padding: 0 14px;
  font-family: 'Pretendard', sans-serif; font-size: 16px;
  color: var(--n-muted); background: var(--n-white);
}
.ntk-chip-wrap { display: flex; flex-wrap: wrap; gap: 7px; }
.ntk-chip-item { font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 99px; white-space: nowrap; }

/* Badge System 블록 */
.ntk-ds-badge {
  background: var(--n-bg);
  border: 1px solid var(--n-line);
  border-radius: var(--n-r-xl);
  padding: clamp(24px,3vw,40px);
  height: 100%;
}
.ntk-badge-head {
  display: flex; align-items: baseline; gap: 10px; margin-bottom: 20px;
}
.ntk-badge-head .ntk-ds-label { margin-bottom: 0; }
.ntk-badge-head span { font-size: 16px; font-weight: 500; color: var(--n-muted); }

/* 뱃지 — 가로 스크롤 제거, 그리드로 랩핑 표시 */
.ntk-badge-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px 8px;
}
.ntk-badge-item { display: flex; flex-direction: column; align-items: center; gap: 7px; }
.ntk-badge-item img {
  width: 56px; height: 56px; object-fit: contain;
  background: var(--n-white); border: 1px solid var(--n-line);
  border-radius: 18px; padding: 8px;
  transition: transform .28s var(--n-ease), box-shadow .28s;
}
.ntk-badge-item img:hover { transform: translateY(-5px) scale(1.1); box-shadow: 0 10px 28px rgba(125,109,255,.24); }
.ntk-badge-item span { font-size: 12px; font-weight: 700; color: var(--n-muted); text-align: center; }


/* ══════════════════════════════════════════════════════
   06 RESULT
══════════════════════════════════════════════════════ */
.ntk-result-section { background: var(--n-bg); }

/* 앱 스크린 쇼케이스 */
.ntk-screens {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(10px,1.8vw,20px);
  align-items: flex-end;
  margin-bottom: clamp(56px,8vw,100px);
}
.ntk-screen {
  position: relative; margin: 0;
  border-radius: 48px; overflow: hidden;
  box-shadow: 0 8px 36px rgba(0,0,0,.12);
  transition: transform .45s var(--n-ease), box-shadow .45s;
}
.ntk-screen--rise1 { transform: translateY(0); }
.ntk-screen--rise2 { transform: translateY(-24px); }
.ntk-screen--rise3 { transform: translateY(-12px); }
.ntk-screen--rise4 { transform: translateY(-6px); }
.ntk-screen:hover { transform: translateY(-32px) !important; box-shadow: 0 28px 72px rgba(125,109,255,.28); z-index: 2; }
.ntk-screen img { width: 100%; height: auto; display: block; }
.ntk-screen figcaption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 14px 16px;
  background: linear-gradient(to top, rgba(0,0,0,.65), transparent);
  font-size: 16px; font-weight: 700; color: #fff;
  display: flex; align-items: center; gap: 8px;
}
.ntk-screen figcaption span {
  font-size: 12px; font-weight: 800;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--n-grad);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}

/* 결과 요약 */
.ntk-result-summary {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 14px;
  margin-bottom: clamp(44px,6vw,72px);
}
.ntk-rs-item {
  position: relative;
  background: var(--n-white);
  border: 1px solid var(--n-line);
  border-radius: var(--n-r-xl);
  padding: clamp(24px,3vw,36px);
  display: flex; flex-direction: column; gap: 10px;
  overflow: hidden;
  transition: transform .3s var(--n-ease), box-shadow .3s;
}
.ntk-rs-item::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--n-grad);
}
.ntk-rs-item:hover { transform: translateY(-5px); box-shadow: 0 16px 44px rgba(125,109,255,.13); }
.ntk-rs-num { font-family: 'Nunito', sans-serif; font-size: 30px; font-weight: 900; color: var(--n-soft); line-height: 1; }
.ntk-rs-item h4 { font-size: 17px; font-weight: 800; margin: 0; color: var(--n-ink); }
.ntk-rs-item p { font-size: 16px; line-height: 1.7; color: var(--n-muted); margin: 0; }

/* 롤링 캐러셀 */
.ntk-rolling-wrap { position: relative; padding: 52px 0 60px; }
.ntk-rolling-carousel { overflow: visible; }
.ntk-rolling-track { display: flex; align-items: flex-end; gap: 10px; will-change: transform; }

.ntk-rolling-item {
  flex: 0 0 auto; position: relative;
  transition: transform .38s cubic-bezier(.4,0,.2,1); transform-origin: bottom center; z-index: 1;
}
.ntk-rolling-item:hover { transform: scale(1.3) translateY(-12px); z-index: 10; }
.ntk-rolling-item:hover figcaption { opacity: 1; }
.ntk-rolling-item:hover img { box-shadow: 0 20px 52px rgba(0,0,0,.24); }
.ntk-rolling-item img { display: block; width: 140px; height: auto; border-radius: 22px; box-shadow: 0 4px 20px rgba(0,0,0,.10); }
.ntk-rolling-item figcaption { text-align: center; font-size: 12px; color: var(--n-muted); margin-top: 10px; opacity: 0; transition: opacity .35s; }


/* ══════════════════════════════════════════════════════
   07 REVIEW
══════════════════════════════════════════════════════ */
/* Review 섹션 — ntk-section base 상속 */
.ntk-review-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: clamp(40px,6vw,80px);
  align-items: start;
}

/* 왼쪽 회고 본문 */
.ntk-review-quote {
  margin: 0 0 24px;
  padding: 20px 24px;
  border-left: 3px solid var(--n-mint);
  background: rgba(131,216,191,.06);
  border-radius: 0 var(--n-r-md) var(--n-r-md) 0;
  font-size: clamp(15px,1.4vw,17px);
  font-weight: 600;
  line-height: 1.75;
  color: var(--n-ink);
  font-style: normal;
}
.ntk-review-body > p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--n-muted);
  margin: 0;
}

/* 오른쪽 Next Step */
.ntk-review-next {
  background: var(--n-soft);
  border: 1px solid var(--n-line-m);
  border-radius: var(--n-r-xl);
  padding: 28px 28px 32px;
}
.ntk-next-label {
  display: block;
  font-size: 12px; font-weight: 800;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--n-purple);
  margin-bottom: 16px;
}
.ntk-next-list {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 12px;
}
.ntk-next-list li {
  display: flex; align-items: center; gap: 10px;
  font-size: 15px; font-weight: 600; color: var(--n-ink);
}
.ntk-next-list li .material-symbols-rounded {
  font-size: 18px; color: var(--n-purple); flex-shrink: 0;
  font-variation-settings: 'FILL' 1;
}


/* ══════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .ntk-ds-top { grid-template-columns: 1fr; }
  .ntk-stat-band { grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; }
  .ntk-stat-sep { display: none; }
  .ntk-stat-item { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .ntk-stat-item:nth-child(4), .ntk-stat-item:nth-child(7) { border-bottom: 0; }
}

@media (max-width: 960px) {
  .ntk-hero-meta { flex-direction: column; gap: 10px; }
  .ntk-hero-meta > div { border-right: none; padding-right: 0; margin-right: 0; border-bottom: 1px solid var(--n-line); padding-bottom: 10px; }
  .ntk-hero-meta > div:last-child { border-bottom: none; padding-bottom: 0; }

  .ntk-problem-cards { grid-template-columns: 1fr; }
  .ntk-goal-grid { grid-template-columns: repeat(2, 1fr); }

  .ntk-ba-wrap { grid-template-columns: 1fr; }
  .ntk-ba-arrow { transform: rotate(90deg); }
  .ntk-key-insights { grid-template-columns: 1fr; }

  .ntk-ds-top { grid-template-columns: 1fr; }
  .ntk-ds-bottom { grid-template-columns: 1fr; }
  .ntk-badge-grid { grid-template-columns: repeat(6, 1fr); }
  .ntk-comp-row { grid-template-columns: 1fr; }

  .ntk-screens { grid-template-columns: repeat(2, 1fr); }
  .ntk-screen--rise2, .ntk-screen--rise3, .ntk-screen--rise4 { transform: none; }
  .ntk-result-summary { grid-template-columns: 1fr; }

  .ntk-review-layout { grid-template-columns: 1fr; }
  .ntk-review-inner { grid-template-columns: 1fr; }
  .ntk-review-chars { height: 180px; }
  .ntk-rvc--a { width: 90px; }
  .ntk-rvc--b { width: 110px; }
  .ntk-rvc--c { width: 80px; }

  .ntk-index { display: none; }
}

@media (max-width: 640px) {
  .ntk-hero-meta { display: flex; flex-direction: column; }
  .ntk-meta-item { width: 100%; }
  .ntk-stat-band { padding: 24px; grid-template-columns: 1fr 1fr; }
  .ntk-goal-grid { grid-template-columns: 1fr 1fr; }
  .ntk-screens { grid-template-columns: 1fr 1fr; }
  .ntk-result-summary { grid-template-columns: 1fr; }
  .ntk-ba-arrow { transform: rotate(90deg) !important; }
  .ntk-badge-grid { grid-template-columns: repeat(4, 1fr); }
}