/* ============================================================
   KASHA Connection — 통합 브랜드 허브
   차세대 미니멀리즘 + 모션 그래픽
   토큰은 KASHA Photos Design System(tokens/*.css)과 동기화
   ============================================================ */

:root {
  /* ---- Neutrals (KASHA cool-gray) ---- */
  --gray-0:   #FFFFFF;
  --gray-50:  #F9FAFB;
  --gray-100: #F2F4F6;
  --gray-200: #E5E8EB;
  --gray-300: #D1D6DB;
  --gray-400: #B0B8C1;
  --gray-500: #8B95A1;
  --gray-600: #6B7684;
  --gray-700: #4E5968;
  --gray-800: #333D4B;
  --gray-900: #191F28;
  --ink:      #17171C;

  /* ---- Service accents ---- */
  --c-photos: #3182F6;  /* KASHA Photos — brand blue */
  --c-goods:  #6366F1;  /* Photos & Goods — indigo */
  --c-rental: #03A35E;  /* Rental — green */
  --c-legal:  #F04452;  /* Legal — guard red */
  --c-collab: #E89C00;  /* Collaboration — amber */

  --c-photos-soft: #E8F3FF;
  --c-goods-soft:  #EEF0FF;
  --c-rental-soft: #EAFBF2;
  --c-legal-soft:  #FFF0F0;
  --c-collab-soft: #FFF8E6;

  /* page accent (overridden per sub-page) */
  --accent:      var(--c-photos);
  --accent-soft: var(--c-photos-soft);

  /* ---- Motion (iOS) ---- */
  --ease-ios:      cubic-bezier(0.32, 0.72, 0, 1);
  --ease-out:      cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring:   cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast:  260ms;
  --dur-base:  450ms;
  --dur-slow:  680ms;
  --press-scale: 0.97;

  /* ---- Radius / shadow ---- */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
  --shadow-card: 0 1px 2px rgba(23,23,28,.04), 0 8px 24px rgba(23,23,28,.06);
  --shadow-lift: 0 2px 4px rgba(23,23,28,.05), 0 16px 40px rgba(23,23,28,.10);

  --font: "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, "Segoe UI", sans-serif;
  --max-w: 1120px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--gray-800);
  background: var(--gray-0);
  line-height: 1.6;
  letter-spacing: -0.01em;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: 0; background: none; cursor: pointer; }
::selection { background: var(--accent-soft); color: var(--ink); }

/* ============================================================
   Header
   ============================================================ */
.kc-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: 64px;
  display: flex; align-items: center;
  background: rgba(255,255,255,0);
  transition: background var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              backdrop-filter var(--dur-fast) var(--ease-out);
}
.kc-header.is-scrolled {
  background: rgba(255,255,255,.82);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  backdrop-filter: saturate(180%) blur(18px);
  box-shadow: 0 1px 0 var(--gray-100);
}
.kc-header__inner {
  width: 100%; max-width: var(--max-w);
  margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.kc-logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 17px; color: var(--ink); letter-spacing: -0.02em;
  white-space: nowrap;
}
.kc-logo__mark { width: 26px; height: 26px; flex: none; }
.kc-logo small { font-weight: 600; color: var(--gray-500); font-size: 12px; margin-top: 2px; }

.kc-nav { display: flex; align-items: center; gap: 4px; }
.kc-nav a {
  padding: 8px 12px; border-radius: 8px;
  font-size: 14px; font-weight: 600; color: var(--gray-600);
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.kc-nav a:hover { color: var(--ink); background: var(--gray-50); }
.kc-nav a.is-active { color: var(--accent); }
@media (max-width: 860px) { .kc-nav { display: none; } }

.kc-header__cta {
  padding: 9px 16px; border-radius: 999px;
  background: var(--ink); color: #fff;
  font-size: 13.5px; font-weight: 700; white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-spring), opacity var(--dur-fast) var(--ease-out);
}
.kc-header__cta:hover { opacity: .88; }
.kc-header__cta:active { transform: scale(var(--press-scale)); }

/* ============================================================
   Buttons
   ============================================================ */
.kc-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 52px; padding: 0 28px; border-radius: 14px;
  font-size: 16px; font-weight: 700; letter-spacing: -0.01em;
  transition: transform var(--dur-fast) var(--ease-spring),
              box-shadow var(--dur-fast) var(--ease-out),
              opacity var(--dur-fast) var(--ease-out);
  will-change: transform;
}
.kc-btn:active { transform: scale(var(--press-scale)); }
.kc-btn--primary { background: var(--ink); color: #fff; }
.kc-btn--primary:hover { opacity: .88; transform: translateY(-1px); }
.kc-btn--accent { background: var(--accent); color: #fff; }
.kc-btn--accent:hover { opacity: .9; transform: translateY(-1px); }
.kc-btn--ghost {
  background: var(--gray-0); color: var(--gray-800);
  box-shadow: inset 0 0 0 1.5px var(--gray-200);
}
.kc-btn--ghost:hover { box-shadow: inset 0 0 0 1.5px var(--gray-400); }
.kc-btn svg { width: 18px; height: 18px; flex: none; }

/* ============================================================
   Layout primitives
   ============================================================ */
.kc-section { padding: 120px 24px; }
.kc-section--tight { padding: 80px 24px; }
.kc-section--sunken { background: var(--gray-50); }
.kc-container { max-width: var(--max-w); margin: 0 auto; }

.kc-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13.5px; font-weight: 700; color: var(--accent);
  letter-spacing: .02em; text-transform: uppercase;
  margin-bottom: 18px;
}
.kc-eyebrow::before {
  content: ""; width: 22px; height: 2px; border-radius: 2px; background: var(--accent);
}
.kc-h2 {
  font-size: clamp(28px, 4.2vw, 44px); font-weight: 800; line-height: 1.25;
  letter-spacing: -0.03em; color: var(--ink); word-break: keep-all;
}
.kc-lead {
  margin-top: 20px; font-size: clamp(16px, 2vw, 18px);
  color: var(--gray-600); max-width: 640px; word-break: keep-all;
}

/* ============================================================
   Scroll reveal (transform/opacity only)
   ============================================================ */
.rv { opacity: 0; transform: translateY(28px); }
.rv.is-in {
  opacity: 1; transform: translateY(0);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.rv[data-rv-delay="1"].is-in { transition-delay: 70ms; }
.rv[data-rv-delay="2"].is-in { transition-delay: 140ms; }
.rv[data-rv-delay="3"].is-in { transition-delay: 210ms; }
.rv[data-rv-delay="4"].is-in { transition-delay: 280ms; }
.rv[data-rv-delay="5"].is-in { transition-delay: 350ms; }

/* ============================================================
   HUB — Hero
   ============================================================ */
.hub-hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  padding: 140px 24px 80px; overflow: hidden;
}
.hub-hero__inner {
  position: relative; z-index: 2;
  max-width: var(--max-w); margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 48px; align-items: center;
}
@media (max-width: 960px) {
  .hub-hero__inner { grid-template-columns: 1fr; }
  .hub-hero__art { order: -1; max-width: 420px; margin: 0 auto; }
}
.hub-hero h1 {
  font-size: clamp(40px, 6.4vw, 72px); font-weight: 800;
  line-height: 1.12; letter-spacing: -0.04em; color: var(--ink);
  word-break: keep-all;
}
.hub-hero h1 .accent-line {
  display: inline-block;
  background: linear-gradient(90deg, var(--c-photos), var(--c-goods) 30%, var(--c-rental) 55%, var(--c-collab) 80%, var(--c-legal));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hub-hero__sub {
  margin-top: 26px; font-size: clamp(16px, 2.1vw, 19px);
  color: var(--gray-600); max-width: 520px; word-break: keep-all;
}
.hub-hero__actions { margin-top: 40px; display: flex; gap: 12px; flex-wrap: wrap; }

/* staged hero entrance */
.hero-stage { opacity: 0; transform: translateY(26px); }
body.is-ready .hero-stage {
  opacity: 1; transform: none;
  transition: opacity .9s var(--ease-out), transform .9s var(--ease-out);
}
body.is-ready .hero-stage--1 { transition-delay: .05s; }
body.is-ready .hero-stage--2 { transition-delay: .18s; }
body.is-ready .hero-stage--3 { transition-delay: .32s; }
body.is-ready .hero-stage--art { transition-delay: .15s; }

/* ---- Connection graph (motion graphic) ---- */
.hub-hero__art { perspective: 1100px; }
/* 3D 틸트는 div 래퍼에 적용 — SVG 요소는 rotateX/Y(3D)를 렌더하지 않음 */
.kc-graph-3d {
  transform: rotateX(var(--tiltX, 0deg)) rotateY(var(--tiltY, 0deg));
  transition: transform .5s var(--ease-out);
  transform-style: preserve-3d;
  will-change: transform;
}
.kc-graph { width: 100%; height: auto; }
/* 호버: 궤도 회전 일시정지(잡아서 보는 느낌) + 링크 강조 + 중앙 노드 팝 */
.kc-graph:hover .orbit-spin,
.kc-graph:hover .orbit-spin-rev { animation-play-state: paused; }
.kc-graph .link-line { transition: stroke-opacity .4s var(--ease-out), stroke-width .4s var(--ease-out); }
.kc-graph:hover .link-line { opacity: 1; stroke-width: 2.4; }
.kc-graph .center-node { transition: transform .5s var(--ease-spring); transform-box: fill-box; transform-origin: center; }
.kc-graph:hover .center-node { transform: scale(1.08); }
/* 호버 시 각 노드가 살짝 커지고 소프트 배경이 번짐 */
.kc-graph .orbit-node { transition: transform .45s var(--ease-spring); transform-box: fill-box; transform-origin: center; }
.kc-graph:hover .orbit-node { transform: scale(1.14); }
.kc-graph .orbit-ring { transform-origin: 260px 260px; }
.kc-graph .orbit-spin      { animation: kc-orbit 46s linear infinite; transform-origin: 260px 260px; }
.kc-graph .orbit-spin-rev  { animation: kc-orbit-rev 46s linear infinite; transform-origin: center; transform-box: fill-box; }
@keyframes kc-orbit     { to { transform: rotate(360deg); } }
@keyframes kc-orbit-rev { to { transform: rotate(-360deg); } }

.kc-graph .link-line {
  stroke-dasharray: 6 10; stroke-linecap: round;
  animation: kc-dash 2.6s linear infinite;
}
@keyframes kc-dash { to { stroke-dashoffset: -64; } }

.kc-graph .node-float { animation: kc-float 5.2s var(--ease-in-out, ease-in-out) infinite alternate; transform-box: fill-box; transform-origin: center; }
.kc-graph .node-float.f2 { animation-duration: 6.1s; animation-delay: -1.2s; }
.kc-graph .node-float.f3 { animation-duration: 5.6s; animation-delay: -2.4s; }
@keyframes kc-float { from { transform: translateY(-4px); } to { transform: translateY(4px); } }

.kc-graph .pulse {
  animation: kc-pulse 3.4s var(--ease-out) infinite;
  transform-box: fill-box; transform-origin: center;
}
@keyframes kc-pulse {
  0%   { transform: scale(.6); opacity: .5; }
  70%  { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* ---- Marquee ---- */
.kc-marquee {
  overflow: hidden; border-block: 1px solid var(--gray-100);
  padding: 18px 0; background: var(--gray-0);
}
.kc-marquee__track {
  display: flex; gap: 56px; width: max-content;
  animation: kc-marquee 30s linear infinite;
  will-change: transform;
}
@keyframes kc-marquee { to { transform: translateX(-50%); } }
.kc-marquee__item {
  display: flex; align-items: center; gap: 10px;
  font-size: 14.5px; font-weight: 700; color: var(--gray-500);
  letter-spacing: .01em; white-space: nowrap;
}
.kc-marquee__item svg { width: 16px; height: 16px; }

/* ============================================================
   HUB — Service cards
   ============================================================ */
.svc-grid {
  margin-top: 64px;
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px;
}
.svc-card {
  grid-column: span 2;
  position: relative; display: flex; flex-direction: column;
  min-height: 320px; padding: 30px;
  background: var(--gray-0); border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
  will-change: transform;
}
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.svc-card--wide { grid-column: span 3; }
@media (max-width: 900px) {
  .svc-grid { grid-template-columns: 1fr 1fr; }
  .svc-card, .svc-card--wide { grid-column: span 2; min-height: 0; }
}
.svc-card__icon {
  width: 52px; height: 52px; border-radius: 16px;
  display: grid; place-items: center;
  background: var(--soft, var(--gray-100)); color: var(--tone, var(--ink));
  margin-bottom: 22px;
  transition: transform var(--dur-base) var(--ease-spring);
}
.svc-card:hover .svc-card__icon { transform: scale(1.08) rotate(-4deg); }
.svc-card__icon svg { width: 26px; height: 26px; }
.svc-card__tag {
  position: absolute; top: 30px; right: 28px;
  font-size: 12px; font-weight: 700; color: var(--tone);
  background: var(--soft); padding: 5px 10px; border-radius: 999px;
}
.svc-card h3 { font-size: 21px; font-weight: 800; color: var(--ink); letter-spacing: -0.02em; }
.svc-card h3 small { display: block; font-size: 13px; font-weight: 600; color: var(--gray-500); margin-top: 3px; }
.svc-card p { margin-top: 12px; font-size: 14.5px; color: var(--gray-600); word-break: keep-all; flex: 1; }
.svc-card__link {
  margin-top: 20px; display: inline-flex; align-items: center; gap: 6px;
  font-size: 14.5px; font-weight: 700; color: var(--tone);
}
.svc-card__link svg { width: 16px; height: 16px; transition: transform var(--dur-fast) var(--ease-spring); }
.svc-card:hover .svc-card__link svg { transform: translateX(4px); }

/* ============================================================
   HUB — Synergy loop
   ============================================================ */
.loop-row {
  margin-top: 56px;
  display: flex; align-items: flex-start; gap: 0; flex-wrap: wrap; justify-content: center;
}
.loop-step {
  flex: 1 1 150px; max-width: 190px; text-align: center; padding: 8px 10px;
  position: relative;
}
.loop-step__dot {
  width: 58px; height: 58px; margin: 0 auto 14px; border-radius: 999px;
  display: grid; place-items: center; position: relative;
  background: var(--soft, var(--gray-100)); color: var(--tone, var(--ink));
  will-change: transform;
}
.loop-step__dot svg { width: 24px; height: 24px; }
.loop-step__dot::after {
  content: ""; position: absolute; inset: -5px; border-radius: 999px;
  border: 2px solid var(--tone, var(--ink)); opacity: 0; transform: scale(.7);
}
.loop-step > b { display: block; font-size: 15px; color: var(--ink); letter-spacing: -0.01em; }
/* 라벨 span만 대상 — .loop-step__dot(span, 클래스 있음)은 제외해 grid 센터링 유지 */
.loop-step > span:not([class]) { display: block; margin-top: 4px; font-size: 12.5px; color: var(--gray-500); }
/* 화살표를 도트 세로 중심축(8px 패딩 + 58px 도트의 중앙 = 37px)에 정렬 */
.loop-arrow {
  align-self: flex-start; flex: none; color: var(--gray-300);
  padding: 0 2px; margin-top: 30px;
}
.loop-arrow svg { width: 22px; height: 22px; display: block; }
@media (max-width: 720px) {
  .loop-arrow { display: none; }
  .loop-step { flex-basis: 40%; margin-bottom: 20px; }
}

/* 루프 순환 모션 — 5개 스텝을 차례로 하이라이트 (7.5s 주기) */
.anim .loop-row .loop-step:nth-child(1) .loop-step__dot { animation: loop-beat 7.5s var(--ease-out) 0s infinite; }
.anim .loop-row .loop-step:nth-child(3) .loop-step__dot { animation: loop-beat 7.5s var(--ease-out) 1.5s infinite; }
.anim .loop-row .loop-step:nth-child(5) .loop-step__dot { animation: loop-beat 7.5s var(--ease-out) 3s infinite; }
.anim .loop-row .loop-step:nth-child(7) .loop-step__dot { animation: loop-beat 7.5s var(--ease-out) 4.5s infinite; }
.anim .loop-row .loop-step:nth-child(9) .loop-step__dot { animation: loop-beat 7.5s var(--ease-out) 6s infinite; }
.anim .loop-row .loop-step:nth-child(1) .loop-step__dot::after { animation: loop-ring 7.5s var(--ease-out) 0s infinite; }
.anim .loop-row .loop-step:nth-child(3) .loop-step__dot::after { animation: loop-ring 7.5s var(--ease-out) 1.5s infinite; }
.anim .loop-row .loop-step:nth-child(5) .loop-step__dot::after { animation: loop-ring 7.5s var(--ease-out) 3s infinite; }
.anim .loop-row .loop-step:nth-child(7) .loop-step__dot::after { animation: loop-ring 7.5s var(--ease-out) 4.5s infinite; }
.anim .loop-row .loop-step:nth-child(9) .loop-step__dot::after { animation: loop-ring 7.5s var(--ease-out) 6s infinite; }
.anim .loop-row .loop-arrow:nth-child(2) svg { animation: loop-arrow-on 7.5s var(--ease-out) .75s infinite; }
.anim .loop-row .loop-arrow:nth-child(4) svg { animation: loop-arrow-on 7.5s var(--ease-out) 2.25s infinite; }
.anim .loop-row .loop-arrow:nth-child(6) svg { animation: loop-arrow-on 7.5s var(--ease-out) 3.75s infinite; }
.anim .loop-row .loop-arrow:nth-child(8) svg { animation: loop-arrow-on 7.5s var(--ease-out) 5.25s infinite; }
@keyframes loop-beat {
  0%, 16%, 100% { transform: scale(1); }
  7% { transform: scale(1.16); }
}
@keyframes loop-ring {
  0%, 100% { opacity: 0; transform: scale(.7); }
  6% { opacity: .55; transform: scale(1); }
  16% { opacity: 0; transform: scale(1.25); }
}
@keyframes loop-arrow-on {
  0%, 18%, 100% { opacity: 1; transform: translateX(0); }
  8% { opacity: .45; transform: translateX(4px); }
}

/* ============================================================
   FAQ accordion
   ============================================================ */
.faq-list { margin-top: 48px; display: grid; gap: 12px; max-width: 780px; }
.faq-list details {
  background: var(--gray-0); border-radius: var(--r-md);
  box-shadow: var(--shadow-card); padding: 0 24px; overflow: hidden;
}
.faq-list summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  min-height: 64px; padding: 10px 0;
  font-weight: 700; font-size: 15.5px; color: var(--ink); letter-spacing: -0.01em;
  word-break: keep-all;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary svg {
  width: 20px; height: 20px; flex: none; color: var(--gray-400);
  transition: transform var(--dur-fast) var(--ease-spring), color var(--dur-fast) var(--ease-out);
}
.faq-list details[open] summary svg { transform: rotate(45deg); color: var(--accent); }
.faq-a {
  padding: 0 0 22px; font-size: 14.5px; color: var(--gray-600);
  word-break: keep-all; max-width: 640px;
}

/* FAQ 호버 모션 — 리프트 + 아이콘 강조 */
.faq-list details {
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
  will-change: transform;
}
.faq-list details:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); }
.faq-list details:hover summary svg { color: var(--accent); transform: scale(1.18); }
.faq-list details[open]:hover summary svg { transform: rotate(45deg) scale(1.18); }

/* FAQ 열림/닫힘 모션 — JS(connect.js)가 답변을 .faq-wrap로 래핑해 구동
   grid-rows 0fr↔1fr: 아코디언 표준 기법. 진입 420ms iOS 이징, 퇴장 280ms(더 짧게) */
.faq-wrap {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows 420ms var(--ease-ios);
}
.faq-wrap.is-open { grid-template-rows: 1fr; }
.faq-wrap.is-closing { transition-duration: 280ms; }
.faq-wrap > .faq-inner {
  overflow: hidden; min-height: 0;
  opacity: 0; transform: translateY(-6px);
  transition: opacity 320ms var(--ease-out) 60ms, transform 320ms var(--ease-out) 60ms;
}
.faq-wrap.is-open > .faq-inner { opacity: 1; transform: none; }
.faq-wrap.is-closing > .faq-inner { transition: opacity 180ms var(--ease-out), transform 180ms var(--ease-out); }

/* ============================================================
   Stats
   ============================================================ */
.stat-grid {
  margin-top: 56px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
@media (max-width: 860px) { .stat-grid { grid-template-columns: 1fr 1fr; } }
.stat-card {
  padding: 30px 26px; border-radius: var(--r-lg);
  background: var(--gray-0); box-shadow: var(--shadow-card);
}
.stat-card__num {
  font-size: clamp(30px, 3.6vw, 40px); font-weight: 800; color: var(--ink);
  letter-spacing: -0.03em; font-variant-numeric: tabular-nums; line-height: 1.15;
}
.stat-card__num em { font-style: normal; color: var(--accent); }
.stat-card__label { margin-top: 8px; font-size: 14px; font-weight: 600; color: var(--gray-600); }
.stat-card__src { margin-top: 4px; font-size: 12px; color: var(--gray-400); }

/* ============================================================
   Sub-page hero
   ============================================================ */
.sub-hero {
  position: relative; overflow: hidden;
  padding: 170px 24px 110px;
  background:
    radial-gradient(1100px 480px at 82% -10%, var(--accent-soft) 0%, rgba(255,255,255,0) 62%),
    var(--gray-0);
}
.sub-hero__inner { max-width: var(--max-w); margin: 0 auto; position: relative; z-index: 2; }
.sub-hero__crumb {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13.5px; font-weight: 700; color: var(--gray-500); margin-bottom: 26px;
}
.sub-hero__crumb a { color: var(--gray-500); transition: color var(--dur-fast) var(--ease-out); }
.sub-hero__crumb a:hover { color: var(--ink); }
.sub-hero__crumb svg { width: 14px; height: 14px; color: var(--gray-300); }
.sub-hero__crumb b { color: var(--accent); font-weight: 700; }
.sub-hero h1 {
  font-size: clamp(36px, 5.6vw, 62px); font-weight: 800; line-height: 1.14;
  letter-spacing: -0.04em; color: var(--ink); word-break: keep-all; max-width: 760px;
}
.sub-hero h1 em { font-style: normal; color: var(--accent); }
.sub-hero__sub { margin-top: 24px; font-size: clamp(16px, 2vw, 18.5px); color: var(--gray-600); max-width: 620px; word-break: keep-all; }
.sub-hero__actions { margin-top: 38px; display: flex; gap: 12px; flex-wrap: wrap; }

/* floating deco shapes on sub hero (transform-only) */
.sub-hero__deco { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.deco-shape { position: absolute; border-radius: 24px; opacity: .9; will-change: transform; }
.deco-shape--ring { border: 3px solid var(--accent); border-radius: 999px; background: none; }
.deco-shape--dot { border-radius: 999px; background: var(--accent); }
.deco-shape--pill { background: var(--accent-soft); }
.anim .deco-shape { animation: kc-drift 9s ease-in-out infinite alternate; }
.anim .deco-shape:nth-child(2) { animation-duration: 11s; animation-delay: -3s; }
.anim .deco-shape:nth-child(3) { animation-duration: 13s; animation-delay: -6s; }
@keyframes kc-drift {
  from { transform: translate3d(0, -12px, 0) rotate(-4deg); }
  to   { transform: translate3d(0, 14px, 0) rotate(5deg); }
}

/* ============================================================
   Feature blocks (sub pages)
   ============================================================ */
.feat-grid { margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .feat-grid { grid-template-columns: 1fr; } }
.feat-card {
  padding: 30px; border-radius: var(--r-lg);
  background: var(--gray-0); box-shadow: var(--shadow-card);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.feat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.feat-card__icon {
  width: 46px; height: 46px; border-radius: 14px; margin-bottom: 20px;
  display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
}
.feat-card__icon svg { width: 23px; height: 23px; }
.feat-card h3 { font-size: 17.5px; font-weight: 800; color: var(--ink); letter-spacing: -0.01em; }
.feat-card p { margin-top: 10px; font-size: 14.5px; color: var(--gray-600); word-break: keep-all; }

/* numbered flow */
.flow-list { margin-top: 56px; display: grid; gap: 14px; counter-reset: flow; }
.flow-item {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 24px 26px; border-radius: var(--r-md);
  background: var(--gray-0); box-shadow: var(--shadow-card);
}
.flow-item::before {
  counter-increment: flow; content: counter(flow, decimal-leading-zero);
  flex: none; font-size: 14px; font-weight: 800; color: var(--accent);
  background: var(--accent-soft); border-radius: 10px;
  padding: 6px 10px; margin-top: 2px; font-variant-numeric: tabular-nums;
}
.flow-item b { display: block; font-size: 16px; color: var(--ink); letter-spacing: -0.01em; }
.flow-item p { margin-top: 4px; font-size: 14.5px; color: var(--gray-600); word-break: keep-all; }

/* checklist (legal clauses 등) */
.check-list { margin-top: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; list-style: none; }
@media (max-width: 720px) { .check-list { grid-template-columns: 1fr; } }
.check-list li {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 16px 18px; border-radius: var(--r-md);
  background: var(--gray-0); box-shadow: inset 0 0 0 1px var(--gray-100);
  font-size: 14.5px; color: var(--gray-700); word-break: keep-all;
}
.check-list li svg { width: 20px; height: 20px; flex: none; color: var(--accent); margin-top: 1px; }

/* fee/pricing strip */
.fee-strip {
  margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
@media (max-width: 860px) { .fee-strip { grid-template-columns: 1fr; } }
.fee-card {
  padding: 28px; border-radius: var(--r-lg); background: var(--gray-0);
  box-shadow: var(--shadow-card); text-align: left;
}
.fee-card__label { font-size: 13.5px; font-weight: 700; color: var(--gray-500); }
.fee-card__value { margin-top: 8px; font-size: 26px; font-weight: 800; color: var(--ink); letter-spacing: -0.02em; }
.fee-card__value em { font-style: normal; color: var(--accent); }
.fee-card__desc { margin-top: 8px; font-size: 13.5px; color: var(--gray-500); word-break: keep-all; }

/* cross-service banner */
.cross-banner {
  margin-top: 0; border-radius: var(--r-xl);
  padding: clamp(36px, 5vw, 56px);
  background: var(--ink); color: #fff;
  display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap;
  overflow: hidden; position: relative;
}
.cross-banner h3 { font-size: clamp(22px, 3vw, 30px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.3; word-break: keep-all; }
.cross-banner p { margin-top: 10px; font-size: 15px; color: var(--gray-400); word-break: keep-all; max-width: 520px; }
.cross-banner .kc-btn { background: #fff; color: var(--ink); }
.cross-banner .kc-btn:hover { opacity: .9; }

/* ============================================================
   Footer
   ============================================================ */
.kc-footer {
  border-top: 1px solid var(--gray-100);
  padding: 64px 24px 80px; background: var(--gray-0);
}
.kc-footer__inner {
  max-width: var(--max-w); margin: 0 auto;
  display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px;
}
@media (max-width: 860px) { .kc-footer__inner { grid-template-columns: 1fr 1fr; } }
.kc-footer__brand p { margin-top: 12px; font-size: 13.5px; color: var(--gray-500); max-width: 280px; word-break: keep-all; }
.kc-footer h4 { font-size: 13px; font-weight: 700; color: var(--gray-400); letter-spacing: .04em; text-transform: uppercase; margin-bottom: 14px; }
.kc-footer ul { list-style: none; display: grid; gap: 10px; }
.kc-footer ul a { font-size: 14px; font-weight: 600; color: var(--gray-600); transition: color var(--dur-fast) var(--ease-out); }
.kc-footer ul a:hover { color: var(--ink); }
.kc-footer__meta {
  max-width: var(--max-w); margin: 48px auto 0; padding-top: 24px;
  border-top: 1px solid var(--gray-100);
  font-size: 12.5px; color: var(--gray-400);
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}

/* ============================================================
   Persona switcher (Toss-style segmented audience)
   ============================================================ */
.persona-tabs {
  display: flex; gap: 10px; margin-top: 44px; flex-wrap: wrap;
}
.persona-tab {
  min-height: 50px; padding: 0 24px; border-radius: 999px;
  font-size: 15.5px; font-weight: 700; color: var(--gray-600);
  background: var(--gray-100);
  display: inline-flex; align-items: center; gap: 8px;
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-spring);
}
.persona-tab svg { width: 18px; height: 18px; }
.persona-tab:hover { background: var(--gray-200); }
.persona-tab:active { transform: scale(var(--press-scale)); }
.persona-tab.is-active { background: var(--ink); color: #fff; }

.persona-panels { margin-top: 40px; }
.persona-panel { display: none; }
.persona-panel.is-active {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 48px; align-items: center;
  animation: panel-in .55s var(--ease-out);
}
@media (max-width: 900px) { .persona-panel.is-active { grid-template-columns: 1fr; } }
@keyframes panel-in {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: none; }
}
.persona-panel h3 {
  font-size: clamp(24px, 3.2vw, 34px); font-weight: 800; color: var(--ink);
  letter-spacing: -0.03em; line-height: 1.3; word-break: keep-all;
}
.persona-panel h3 em { font-style: normal; color: var(--tone, var(--accent)); }
.persona-benefits { margin-top: 28px; display: grid; gap: 14px; list-style: none; }
.persona-benefits li { display: flex; gap: 14px; align-items: flex-start; }
.persona-benefits li svg {
  width: 24px; height: 24px; flex: none; margin-top: 2px;
  color: var(--tone, var(--accent));
}
.persona-benefits b { display: block; font-size: 16px; color: var(--ink); letter-spacing: -0.01em; }
.persona-benefits p { margin-top: 2px; font-size: 14px; color: var(--gray-600); word-break: keep-all; }
.persona-panel__actions { margin-top: 32px; display: flex; gap: 12px; flex-wrap: wrap; }

/* persona visual tile */
.persona-visual {
  border-radius: var(--r-xl); padding: 36px;
  background: var(--soft, var(--gray-50));
  min-height: 340px; display: flex; flex-direction: column; justify-content: center; gap: 14px;
  position: relative; overflow: hidden;
}
.persona-visual__chip {
  display: flex; align-items: center; gap: 12px;
  background: rgba(255,255,255,.92); border-radius: 16px;
  padding: 16px 18px; box-shadow: var(--shadow-card);
  font-size: 14.5px; font-weight: 700; color: var(--gray-800);
  will-change: transform;
}
.persona-visual__chip svg { width: 22px; height: 22px; flex: none; color: var(--tone, var(--accent)); }
.persona-visual__chip small { display: block; font-weight: 600; color: var(--gray-500); font-size: 12.5px; margin-top: 1px; }
.persona-panel.is-active .persona-visual__chip { animation: chip-in .7s var(--ease-out) both; }
.persona-panel.is-active .persona-visual__chip:nth-child(2) { animation-delay: .1s; }
.persona-panel.is-active .persona-visual__chip:nth-child(3) { animation-delay: .2s; }
@keyframes chip-in {
  from { opacity: 0; transform: translateY(22px) scale(.97); }
  to   { opacity: 1; transform: none; }
}
/* 진입 후 전 칩이 동일한 리듬으로 계속 부유(loop) — 위상만 어긋나게 */
.anim .persona-panel.is-active .persona-visual__chip {
  animation: chip-in .7s var(--ease-out) both, chip-float 4.6s var(--ease-in-out, ease-in-out) .7s infinite;
}
.anim .persona-panel.is-active .persona-visual__chip:nth-child(2) {
  animation: chip-in .7s var(--ease-out) .1s both, chip-float 4.6s var(--ease-in-out, ease-in-out) 1.3s infinite;
}
.anim .persona-panel.is-active .persona-visual__chip:nth-child(3) {
  animation: chip-in .7s var(--ease-out) .2s both, chip-float 4.6s var(--ease-in-out, ease-in-out) 1.9s infinite;
}
@keyframes chip-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-7px); }
}

/* ============================================================
   Feature story (Apple-style full-bleed narrative)
   ============================================================ */
.feature-dark {
  background: var(--ink); color: #fff;
  padding: 130px 24px;
}
.feature-dark .kc-eyebrow { color: var(--c-legal); }
.feature-dark .kc-eyebrow::before { background: var(--c-legal); }
.feature-dark .kc-h2 { color: #fff; }
.feature-dark .kc-lead { color: var(--gray-400); }
.feature-dark__grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 64px; align-items: center;
}
@media (max-width: 900px) { .feature-dark__grid { grid-template-columns: 1fr; } }

/* contract card motion graphic */
.contract-card {
  background: #fff; color: var(--gray-800);
  border-radius: var(--r-lg); padding: 30px;
  box-shadow: 0 24px 80px rgba(0,0,0,.4);
  max-width: 440px; margin: 0 auto; width: 100%;
  will-change: transform;
}
.anim .contract-card { animation: kc-drift 10s ease-in-out infinite alternate; }
.contract-card__head {
  display: flex; align-items: center; gap: 12px;
  padding-bottom: 18px; border-bottom: 1px solid var(--gray-100);
}
.contract-card__head svg { width: 34px; height: 34px; color: var(--c-legal); flex: none; }
.contract-card__head b { font-size: 16px; color: var(--ink); display: block; letter-spacing: -0.01em; }
.contract-card__head small { font-size: 12.5px; color: var(--gray-500); font-weight: 600; }
.contract-card__list { list-style: none; margin-top: 18px; display: grid; gap: 12px; }
.contract-card__list li {
  display: flex; gap: 10px; align-items: center;
  font-size: 14px; font-weight: 600; color: var(--gray-700);
  opacity: 0; transform: translateY(10px);
}
.rv.is-in .contract-card__list li { opacity: 1; transform: none; transition: opacity .5s var(--ease-out), transform .5s var(--ease-out); }
.rv.is-in .contract-card__list li:nth-child(1) { transition-delay: .25s; }
.rv.is-in .contract-card__list li:nth-child(2) { transition-delay: .40s; }
.rv.is-in .contract-card__list li:nth-child(3) { transition-delay: .55s; }
.rv.is-in .contract-card__list li:nth-child(4) { transition-delay: .70s; }
.contract-card__list svg { width: 19px; height: 19px; flex: none; color: var(--c-rental); }
.contract-card__sign {
  margin-top: 20px; padding-top: 16px; border-top: 1px dashed var(--gray-200);
  display: flex; align-items: flex-end; justify-content: space-between; gap: 12px;
}
.contract-card__sign small { font-size: 12px; color: var(--gray-400); font-weight: 600; }
.sign-path {
  stroke-dasharray: 220; stroke-dashoffset: 220;
}
.rv.is-in .sign-path { stroke-dashoffset: 0; transition: stroke-dashoffset 1.2s var(--ease-out) .8s; }
.contract-card__stamp {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 800; color: var(--c-rental);
  background: var(--c-rental-soft); border-radius: 999px; padding: 6px 12px;
  opacity: 0; transform: scale(.6);
}
.rv.is-in .contract-card__stamp { opacity: 1; transform: none; transition: opacity .4s var(--ease-out) 1.7s, transform .5s var(--ease-spring) 1.7s; }
.contract-card__stamp svg { width: 14px; height: 14px; }

/* creator payout dashboard motion graphic */
.payout-card {
  background: #fff; border-radius: var(--r-lg); padding: 30px;
  box-shadow: var(--shadow-lift);
  max-width: 440px; margin: 0 auto; width: 100%;
}
.payout-card__label { font-size: 13px; font-weight: 700; color: var(--gray-500); }
.payout-card__amount {
  margin-top: 6px; font-size: 34px; font-weight: 800; color: var(--ink);
  letter-spacing: -0.03em; font-variant-numeric: tabular-nums;
}
.payout-card__amount em { font-style: normal; color: var(--c-goods); }
.payout-bars {
  margin-top: 24px; display: flex; align-items: flex-end; gap: 14px; height: 120px;
}
.payout-bars span {
  flex: 1; border-radius: 8px 8px 4px 4px;
  background: var(--c-goods-soft);
  transform: scaleY(0.08); transform-origin: bottom;
  height: var(--h, 40%);
}
.payout-bars span.hot { background: var(--c-goods); }
.rv.is-in .payout-bars span { transform: scaleY(1); transition: transform .8s var(--ease-spring); }
.rv.is-in .payout-bars span:nth-child(1) { transition-delay: .15s; }
.rv.is-in .payout-bars span:nth-child(2) { transition-delay: .25s; }
.rv.is-in .payout-bars span:nth-child(3) { transition-delay: .35s; }
.rv.is-in .payout-bars span:nth-child(4) { transition-delay: .45s; }
.rv.is-in .payout-bars span:nth-child(5) { transition-delay: .55s; }
.rv.is-in .payout-bars span:nth-child(6) { transition-delay: .65s; }
.payout-card__meta {
  margin-top: 16px; display: flex; justify-content: space-between; gap: 10px;
  font-size: 12.5px; font-weight: 600; color: var(--gray-500);
}

/* trust promises */
.promise-grid { margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .promise-grid { grid-template-columns: 1fr; } }

/* ============================================================
   Voices (testimonials)
   ============================================================ */
.voices-grid { margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .voices-grid { grid-template-columns: 1fr; } }
.voice-card {
  padding: 30px; border-radius: var(--r-lg); background: var(--gray-0);
  box-shadow: var(--shadow-card); display: flex; flex-direction: column;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.voice-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.voice-card__quote {
  font-size: 15.5px; line-height: 1.7; color: var(--gray-800); word-break: keep-all; flex: 1;
}
.voice-card__quote::before { content: "\201C"; color: var(--tone, var(--accent)); font-weight: 800; font-size: 22px; margin-right: 2px; }
.voice-card__who { margin-top: 22px; display: flex; align-items: center; gap: 12px; }
.voice-card__avatar {
  width: 40px; height: 40px; border-radius: 999px; flex: none;
  display: grid; place-items: center; background: var(--soft, var(--gray-100)); color: var(--tone, var(--ink));
}
.voice-card__avatar svg { width: 20px; height: 20px; }
.voice-card__who b { display: block; font-size: 14px; color: var(--ink); letter-spacing: -0.01em; }
.voice-card__who span { display: block; font-size: 12.5px; color: var(--gray-500); margin-top: 1px; }

/* ============================================================
   Pain → relief
   ============================================================ */
.pain-grid { margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .pain-grid { grid-template-columns: 1fr; } }
.pain-card {
  padding: 30px; border-radius: var(--r-lg); background: var(--gray-0); box-shadow: var(--shadow-card);
}
.pain-card__before {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; color: var(--gray-500);
  background: var(--gray-100); border-radius: 999px; padding: 6px 12px;
}
.pain-card__before svg { width: 15px; height: 15px; }
.pain-card__q {
  margin-top: 16px; font-size: 17px; font-weight: 800; color: var(--ink);
  letter-spacing: -0.02em; word-break: keep-all; line-height: 1.4;
}
.pain-card__a {
  margin-top: 12px; padding-top: 16px; border-top: 1px solid var(--gray-100);
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 14.5px; color: var(--gray-700); word-break: keep-all;
}
.pain-card__a svg { width: 20px; height: 20px; flex: none; color: var(--accent); margin-top: 1px; }

/* ============================================================
   Big statement (편안한 신뢰 문장)
   ============================================================ */
.statement {
  margin-top: 0; padding: clamp(48px, 7vw, 96px) 0;
  font-size: clamp(24px, 3.6vw, 38px); font-weight: 800; line-height: 1.4;
  letter-spacing: -0.03em; color: var(--ink); word-break: keep-all; max-width: 900px;
}
.statement em { font-style: normal; color: var(--accent); }
.statement span { color: var(--gray-400); }

/* ============================================================
   One Account — 통합 계정 모션 그래픽
   흩어진 활동 칩들이 계정 카드 하나로 모여드는 씬
   ============================================================ */
.account-scene {
  position: relative; max-width: 440px; margin: 0 auto;
  padding: 48px 0;
}
/* 회전 서비스 링 — 5색 도트가 계정 주위를 공전 */
.account-ring {
  position: absolute; inset: 0; margin: auto;
  width: min(440px, 100%); aspect-ratio: 1; pointer-events: none; z-index: 1;
}
.account-ring svg { width: 100%; height: 100%; display: block; }
.anim .account-ring .ring-spin {
  animation: kc-orbit 36s linear infinite;
  transform-origin: 220px 220px;
}
/* 계정 카드 */
.account-card {
  position: relative; z-index: 2;
  background: var(--gray-0); border-radius: var(--r-lg);
  box-shadow: var(--shadow-lift); padding: 26px;
  will-change: transform;
}
.anim .account-card { animation: kc-drift 10s ease-in-out infinite alternate; }
.account-card__head { display: flex; align-items: center; gap: 14px; }
.account-card__avatar {
  width: 48px; height: 48px; border-radius: 999px; flex: none;
  display: grid; place-items: center;
  background: var(--ink); color: #fff;
  font-size: 18px; font-weight: 800; letter-spacing: .02em;
}
.account-card__head b { display: block; font-size: 16px; color: var(--ink); letter-spacing: -0.01em; }
.account-card__head small { display: block; font-size: 12.5px; font-weight: 600; color: var(--gray-500); margin-top: 2px; }
.account-card__verified {
  margin-left: auto; display: inline-flex; align-items: center; gap: 5px;
  font-size: 11.5px; font-weight: 800; color: var(--c-rental);
  background: var(--c-rental-soft); border-radius: 999px; padding: 5px 10px;
  white-space: nowrap;
}
.account-card__verified svg { width: 13px; height: 13px; }
/* 흘러들어오는 활동 칩 — 4방향에서 계정으로 수렴 */
.acct-rows { margin-top: 20px; display: grid; gap: 10px; }
.acct-chip {
  display: flex; align-items: center; gap: 10px;
  background: var(--gray-50); border-radius: 12px; padding: 12px 14px;
  font-size: 13.5px; font-weight: 700; color: var(--gray-800);
  opacity: 0;
}
.acct-chip svg { width: 18px; height: 18px; flex: none; color: var(--tone, var(--ink)); }
.acct-chip em { font-style: normal; margin-left: auto; color: var(--tone, var(--ink)); font-variant-numeric: tabular-nums; white-space: nowrap; }
.rv.is-in .acct-chip { animation: acct-in .85s var(--ease-spring) both; }
.rv.is-in .acct-chip:nth-child(1) { --fx: -110px; --fy: -46px; animation-delay: .25s; }
.rv.is-in .acct-chip:nth-child(2) { --fx: 120px;  --fy: -30px; animation-delay: .45s; }
.rv.is-in .acct-chip:nth-child(3) { --fx: -100px; --fy: 44px;  animation-delay: .65s; }
.rv.is-in .acct-chip:nth-child(4) { --fx: 110px;  --fy: 52px;  animation-delay: .85s; }
@keyframes acct-in {
  from { opacity: 0; transform: translate(var(--fx, 0), var(--fy, 30px)) scale(.85); }
  to   { opacity: 1; transform: none; }
}
/* 하단 '하나로 연결됨' 스탬프 — 칩 수렴 후 등장 */
.account-card__foot {
  margin-top: 18px; padding-top: 14px; border-top: 1px dashed var(--gray-200);
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  font-size: 12px; font-weight: 600; color: var(--gray-400);
  opacity: 0; transform: translateY(8px);
}
.rv.is-in .account-card__foot {
  opacity: 1; transform: none;
  transition: opacity .5s var(--ease-out) 1.15s, transform .5s var(--ease-out) 1.15s;
}
.account-card__foot b { color: var(--c-photos); font-weight: 800; }

/* ============================================================
   Combo tags (추천 조합 카드의 서비스 칩)
   ============================================================ */
.combo-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 18px; }
.combo-tag {
  font-size: 12px; font-weight: 700; padding: 5px 11px; border-radius: 999px;
  background: var(--soft, var(--gray-100)); color: var(--tone, var(--gray-700));
}

/* ============================================================
   카드·에셋 정적 모션 (아이콘 브리딩 루프 — 호버 확장은 롤백됨)
   ============================================================ */
.anim .feat-card__icon,
.anim .loop-step__dot svg,
.anim .persona-visual__chip svg { animation: icon-breathe 5.5s var(--ease-in-out, ease-in-out) infinite; }
.anim .feat-card:nth-child(2) .feat-card__icon { animation-delay: -1.8s; }
.anim .feat-card:nth-child(3) .feat-card__icon { animation-delay: -3.6s; }
@keyframes icon-breathe {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.05); }
}

/* ============================================================
   Dark theme (페이지 단위 강조 테마 — Legal 등 body.theme-dark)
   토큰 재매핑이 아니라 다크 전용 표면/텍스트 값을 명시해 대비를 보장해요.
   본문 대비: #F2F4F6 on #17171C ≈ 15:1, 보조 #B0B8C1 ≈ 7:1 (AA 충족)
   ============================================================ */
.theme-dark {
  background: var(--ink);
  color: var(--gray-300);
  --dk-surface: #22232B;        /* 카드 표면 */
  --dk-surface-2: #2A2B34;      /* 호버/상승 표면 */
  --dk-sunken: #101014;         /* sunken 섹션 */
  --dk-border: rgba(255,255,255,.08);
  --dk-text-strong: #F9FAFB;
  --dk-text-body: #E5E8EB;
  --dk-text-secondary: #B0B8C1;
  --accent-soft: rgba(240, 68, 82, .14);
}
.theme-dark ::selection { background: rgba(240,68,82,.35); color: #fff; }

/* header */
.theme-dark .kc-header.is-scrolled {
  background: rgba(23,23,28,.82);
  box-shadow: 0 1px 0 var(--dk-border);
}
.theme-dark .kc-logo { color: var(--dk-text-strong); }
.theme-dark .kc-logo__mark circle:first-child { fill: #fff; } /* 잉크색 중앙 도트가 다크 배경에 묻히지 않게 */
.theme-dark .kc-nav a { color: var(--dk-text-secondary); }
.theme-dark .kc-nav a:hover { color: var(--dk-text-strong); background: rgba(255,255,255,.06); }
.theme-dark .kc-header__cta { background: #fff; color: var(--ink); }

/* hero */
.theme-dark .sub-hero {
  background:
    radial-gradient(1100px 480px at 82% -10%, rgba(240,68,82,.16) 0%, rgba(23,23,28,0) 62%),
    var(--ink);
}
.theme-dark .sub-hero h1 { color: var(--dk-text-strong); }
.theme-dark .sub-hero__sub { color: var(--dk-text-secondary); }
.theme-dark .sub-hero__crumb a { color: var(--gray-500); }
.theme-dark .sub-hero__crumb a:hover { color: var(--dk-text-strong); }
.theme-dark .deco-shape--pill { background: var(--accent-soft); }

/* sections & typography */
.theme-dark .kc-section--sunken { background: var(--dk-sunken); }
.theme-dark .kc-h2 { color: var(--dk-text-strong); }
.theme-dark .kc-lead { color: var(--dk-text-secondary); }
.theme-dark .statement { color: var(--dk-text-strong); }
.theme-dark .statement span { color: var(--gray-500); }

/* cards & surfaces — 다크에선 그림자 대신 보더+표면 톤으로 층위 표현 */
.theme-dark .feat-card,
.theme-dark .fee-card,
.theme-dark .flow-item,
.theme-dark .voice-card,
.theme-dark .pain-card,
.theme-dark .faq-list details {
  background: var(--dk-surface);
  box-shadow: inset 0 0 0 1px var(--dk-border);
}
.theme-dark .feat-card:hover,
.theme-dark .voice-card:hover {
  background: var(--dk-surface-2);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.14);
}
.theme-dark .feat-card h3, .theme-dark .flow-item b,
.theme-dark .fee-card__value, .theme-dark .faq-list summary { color: var(--dk-text-strong); }
.theme-dark .feat-card p, .theme-dark .flow-item p,
.theme-dark .fee-card__desc, .theme-dark .faq-a { color: var(--dk-text-secondary); }
.theme-dark .fee-card__label { color: var(--gray-500); }
.theme-dark .check-list li {
  background: var(--dk-surface);
  box-shadow: inset 0 0 0 1px var(--dk-border);
  color: var(--dk-text-body);
}
.theme-dark .flow-item::before { background: var(--accent-soft); }

/* buttons */
.theme-dark .kc-btn--primary { background: #fff; color: var(--ink); }
.theme-dark .kc-btn--ghost {
  background: transparent; color: var(--dk-text-body);
  box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.22);
}
.theme-dark .kc-btn--ghost:hover { box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.45); }

/* cross banner — 검은 페이지 위에선 표면 톤으로 분리 */
.theme-dark .cross-banner {
  background: var(--dk-surface);
  box-shadow: inset 0 0 0 1px var(--dk-border);
}
.theme-dark .cross-banner p { color: var(--dk-text-secondary); }

/* footer */
.theme-dark .kc-footer { border-top-color: var(--dk-border); background: var(--ink); }
.theme-dark .kc-footer__brand p { color: var(--gray-500); }
.theme-dark .kc-footer ul a { color: var(--dk-text-secondary); }
.theme-dark .kc-footer ul a:hover { color: var(--dk-text-strong); }
.theme-dark .kc-footer__meta { border-top-color: var(--dk-border); }

/* ============================================================
   Reduced motion — 전 모션 가드
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv, .hero-stage { opacity: 1 !important; transform: none !important; transition: none !important; }
  .kc-marquee__track,
  .kc-graph .orbit-spin, .kc-graph .orbit-spin-rev,
  .kc-graph .link-line, .kc-graph .node-float, .kc-graph .pulse,
  .anim .deco-shape { animation: none !important; }
  .svc-card, .feat-card, .kc-btn, .svc-card__icon { transition: none !important; }
  .persona-panel.is-active,
  .persona-panel.is-active .persona-visual__chip,
  .anim .persona-visual__chip,
  .anim .contract-card { animation: none !important; }
  .anim .loop-row .loop-step__dot,
  .anim .loop-row .loop-step__dot::after,
  .anim .loop-row .loop-arrow svg { animation: none !important; }
  .anim .persona-panel.is-active .persona-visual__chip { animation: chip-in .01s both !important; }
  .faq-list summary svg { transition: none !important; }
  .faq-list details { transition: none !important; }
  .faq-wrap, .faq-wrap > .faq-inner { transition: none !important; }
  .faq-wrap > .faq-inner { opacity: 1 !important; transform: none !important; }
  .voice-card, .pain-card { transition: none !important; }
  .anim .feat-card__icon,
  .anim .loop-step__dot svg,
  .anim .persona-visual__chip svg { animation: none !important; }
  .kc-graph-3d { transform: none !important; transition: none !important; }
  .kc-graph .center-node, .kc-graph .orbit-node { transition: none !important; }
  .contract-card__list li, .contract-card__stamp,
  .payout-bars span { opacity: 1 !important; transform: none !important; transition: none !important; }
  .sign-path { stroke-dashoffset: 0 !important; transition: none !important; }
}