/* ==========================================================================
   뜰레(TTLEE) 랜딩페이지 - Warm Lifestyle Commerce 스타일시트
   ========================================================================== */

/* 1. 디자인 시스템 토큰 & CSS 변수 */
:root {
  --color-warm-ivory: #F5F1E8;
  --color-pure-white: #FFFFFF;
  --color-starbucks-green: #00704A;
  --color-starbucks-green-hover: #005638;
  --color-starbucks-green-light: rgba(0, 112, 74, 0.08);
  --color-deep-green: #1E3932;
  --color-deep-green-dark: #132520;
  --color-natural-beige: #B69B7D;
  --color-beige-light: #F0E9DF;
  --color-beige-subtle: rgba(182, 155, 125, 0.15);
  --color-charcoal: #333A35;
  --color-secondary: #56635F;
  --color-border: rgba(51, 58, 53, 0.1);

  --font-family-base: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  --shadow-subtle: 0 4px 20px rgba(30, 57, 50, 0.04);
  --shadow-card: 0 10px 30px rgba(30, 57, 50, 0.07);
  --shadow-elevated: 0 20px 40px rgba(30, 57, 50, 0.12);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --container-max-width: 1200px;
  --header-height: 76px;
  --transition-smooth: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 2. 전역 리셋 & 기본 스타일 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-family-base);
  font-size: 16px;
  scroll-padding-top: calc(var(--header-height) + 12px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-warm-ivory);
  color: var(--color-charcoal);
  line-height: 1.65;
  word-break: keep-all;
  overflow-x: hidden;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
}

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

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* 3. 공통 타이포그래피 & 비버튼 배지 컴포넌트 (정적 라벨: 소프트 사각형) */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-sm); /* 소프트 사각형 8px로 버튼의 알약형과 100% 분리 */
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background-color: var(--color-starbucks-green-light);
  color: var(--color-starbucks-green);
  margin-bottom: 16px;
  cursor: default !important;
  user-select: none;
}

.section-badge::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: currentColor;
  display: inline-block;
}

.section-badge.on-dark {
  background-color: rgba(255, 255, 255, 0.12);
  color: #8DE0BD;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 36px;
}

.section-header h2 {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--color-charcoal);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--color-secondary);
  line-height: 1.6;
}

.highlight-green {
  color: var(--color-starbucks-green);
}

/* 4. 버튼 규격 컴포넌트 (인터랙티브 액션: 풀 라운딩 알약형 + 입체 피드백) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-full); /* 버튼 전용 알약형 라운딩 */
  font-size: 1rem;
  font-weight: 600;
  transition: var(--transition-smooth);
  cursor: pointer !important;
  user-select: none;
  position: relative;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0px) scale(0.98);
}

.btn svg {
  transition: transform 0.2s ease;
}

.btn:hover svg {
  transform: translateX(2px);
}

.btn:focus-visible {
  outline: 2px solid var(--color-starbucks-green);
  outline-offset: 3px;
}

.btn-primary {
  background-color: var(--color-starbucks-green);
  color: var(--color-pure-white);
  border: 1.5px solid transparent;
  box-shadow: 0 4px 14px rgba(0, 112, 74, 0.28);
}

.btn-primary:hover {
  background-color: var(--color-starbucks-green-hover);
  box-shadow: 0 8px 24px rgba(0, 112, 74, 0.38);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-charcoal);
  border: 1.5px solid var(--color-natural-beige);
  box-shadow: var(--shadow-subtle);
}

.btn-secondary:hover {
  background-color: rgba(182, 155, 125, 0.12);
  border-color: var(--color-starbucks-green);
  color: var(--color-starbucks-green);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-pure-white);
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: var(--color-pure-white);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.btn-sm {
  padding: 10px 22px;
  font-size: 0.9rem;
}

.btn-lg {
  padding: 16px 42px;
  font-size: 1.05rem;
  font-weight: 700;
}

/* 5. Header / Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: var(--color-pure-white);
  border-bottom: 1px solid rgba(51, 58, 53, 0.08);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  z-index: 100;
  transition: var(--transition-smooth);
}

.header.scrolled {
  background-color: var(--color-pure-white);
  border-bottom: 1px solid rgba(51, 58, 53, 0.12);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.site-logo-img {
  height: 44px;
  width: auto;
  max-width: 190px;
  display: block;
  object-fit: contain;
  transition: transform 0.25s ease;
}

.logo:hover .site-logo-img {
  transform: scale(1.03);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 0.975rem;
  font-weight: 500;
  color: var(--color-charcoal);
  transition: var(--transition-smooth);
  position: relative;
  padding: 8px 4px;
  display: inline-block;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-starbucks-green);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.25s ease;
}

.nav-link:hover {
  color: var(--color-starbucks-green);
}

.nav-link:hover::after {
  transform: scaleX(0.5);
  background-color: rgba(0, 112, 74, 0.4);
}

/* 현재 사용자가 위치한 메뉴 활성화 (Active GNB Indicator) */
.nav-link.active {
  color: var(--color-starbucks-green);
  font-weight: 700;
}

.nav-link.active::after {
  transform: scaleX(1);
  background-color: var(--color-starbucks-green);
  box-shadow: 0 2px 6px rgba(0, 112, 74, 0.35);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px;
}

.mobile-toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--color-charcoal);
  transition: var(--transition-smooth);
}

/* 6. SECTION 01: MAIN VISUAL (HERO) */
.hero-section {
  padding-top: calc(var(--header-height) + 48px);
  padding-bottom: 64px;
  background-color: var(--color-warm-ivory);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
}

.hero-content {
  max-width: 580px;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.03em;
  color: var(--color-charcoal);
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--color-secondary);
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-trust-metrics {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-charcoal);
}

.metric-label {
  font-size: 0.85rem;
  color: var(--color-secondary);
}

.hero-visual-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background: #141816;
  border: 1px solid var(--color-beige-subtle);
  width: 100%;
}

.hero-visual-image-wrapper {
  position: relative;
  padding-top: 70%; /* 배경이미지 비율에 맞게 상하좌우 노출 영역 확장 */
  background: #141816;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-main-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  transition: transform 0.6s ease;
}

.hero-visual-card:hover .hero-main-img {
  transform: scale(1.04);
}

.hero-img-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.02) 45%, rgba(19, 37, 32, 0.75) 100%);
}

.hero-visual-inner {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  z-index: 2;
}

.hero-badge-tag {
  align-self: flex-start;
  background-color: rgba(255, 255, 255, 0.94);
  color: var(--color-starbucks-green);
  font-size: 0.775rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-subtle);
  cursor: default !important;
  user-select: none;
}

/* 최상단 이미지 박스 내부로 이동된 정기 편성 바 */
.hero-schedule-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: rgba(19, 37, 32, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-elevated);
}

.hero-schedule-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-pure-white);
}

/* 7. SECTION 02: ABOUT TTLEE */
.about-section {
  padding: 72px 0;
  background-color: var(--color-pure-white);
}

.about-card {
  background-color: var(--color-warm-ivory);
  border-radius: var(--radius-xl);
  padding: 44px 40px;
  border: 1px solid var(--color-beige-subtle);
  position: relative;
  overflow: hidden;
}

.about-flow-grid {
  display: grid;
  grid-template-columns: 1fr 76px 1fr 76px 1fr 76px 1fr;
  align-items: center;
  gap: 10px;
  margin-top: 32px;
}

.flow-step-item {
  background-color: var(--color-pure-white);
  padding: 30px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--color-border);
  position: relative;
  transition: var(--transition-smooth);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.flow-step-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--color-starbucks-green);
}

/* ==========================================================================
   골드 계열 순차 릴레이 단계 화살표 (STEP 01->02, 02->03, 03->04)
   ========================================================================== */
.flow-arrow-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 2px;
}

.flow-gold-arrow-svg {
  width: 76px;
  height: 28px;
  display: block;
  filter: drop-shadow(0 2px 6px rgba(197, 160, 89, 0.28));
  transition: transform 0.25s ease;
}

.flow-arrow-divider:hover .flow-gold-arrow-svg {
  transform: scale(1.1);
}

/* 골드 빛구체(Stream Ball) 이동 키프레임 */
@keyframes goldStream {
  0% {
    transform: translateX(0px);
    opacity: 0;
  }
  4% {
    opacity: 1;
  }
  24% {
    transform: translateX(52px);
    opacity: 1;
  }
  30% {
    transform: translateX(64px);
    opacity: 0;
  }
  100% {
    transform: translateX(64px);
    opacity: 0;
  }
}

/* 3연속 쉐브론 순차 골드 발광 키프레임 */
@keyframes goldChevFlash {
  0%, 100% {
    opacity: 0.35;
    stroke: #B69B7D;
  }
  8% {
    opacity: 1;
    stroke: #F5D77F;
    filter: drop-shadow(0 0 4px #D4AF37);
  }
  22% {
    opacity: 0.35;
    stroke: #B69B7D;
  }
}

/* 1단계: STEP 01 -> STEP 02 (0.0s 시작) */
.flow-arrow-step1 .gold-stream-ball {
  animation: goldStream 3.0s cubic-bezier(0.4, 0, 0.2, 1) infinite 0.0s;
}
.flow-arrow-step1 .gold-chev-1 {
  animation: goldChevFlash 3.0s ease-in-out infinite 0.12s;
}
.flow-arrow-step1 .gold-chev-2 {
  animation: goldChevFlash 3.0s ease-in-out infinite 0.28s;
}
.flow-arrow-step1 .gold-chev-3 {
  animation: goldChevFlash 3.0s ease-in-out infinite 0.44s;
}

/* 2단계: STEP 02 -> STEP 03 (1.0s 시작 - 1번 이후 순차 진행) */
.flow-arrow-step2 .gold-stream-ball {
  animation: goldStream 3.0s cubic-bezier(0.4, 0, 0.2, 1) infinite 1.0s;
}
.flow-arrow-step2 .gold-chev-1 {
  animation: goldChevFlash 3.0s ease-in-out infinite 1.12s;
}
.flow-arrow-step2 .gold-chev-2 {
  animation: goldChevFlash 3.0s ease-in-out infinite 1.28s;
}
.flow-arrow-step2 .gold-chev-3 {
  animation: goldChevFlash 3.0s ease-in-out infinite 1.44s;
}

/* 3단계: STEP 03 -> STEP 04 (2.0s 시작 - 2번 이후 순차 진행) */
.flow-arrow-step3 .gold-stream-ball {
  animation: goldStream 3.0s cubic-bezier(0.4, 0, 0.2, 1) infinite 2.0s;
}
.flow-arrow-step3 .gold-chev-1 {
  animation: goldChevFlash 3.0s ease-in-out infinite 2.12s;
}
.flow-arrow-step3 .gold-chev-2 {
  animation: goldChevFlash 3.0s ease-in-out infinite 2.28s;
}
.flow-arrow-step3 .gold-chev-3 {
  animation: goldChevFlash 3.0s ease-in-out infinite 2.44s;
}

.flow-step-num {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--color-starbucks-green);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.flow-step-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-charcoal);
  margin-bottom: 12px;
  line-height: 1.35;
}

.flow-step-desc {
  font-size: 1.025rem;
  color: #2C3531;
  line-height: 1.65;
  font-weight: 500;
  word-break: keep-all;
}

/* 8. SECTION 03: OUR BUSINESS (원형 선순환 플라이휠 다이어그램) */
.business-section {
  padding: 72px 0;
  background: linear-gradient(180deg, #F5F1E8 0%, #EDE6D8 100%);
  position: relative;
  overflow: hidden;
}

.flywheel-wrapper {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.flywheel-diagram {
  position: relative;
  width: 580px;
  height: 580px;
  max-width: 100%;
  margin: 0 auto;
}

/* SVG 원형 궤도 및 회전 화살표 */
.flywheel-svg-track {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.orbit-bg-circle {
  stroke: rgba(0, 112, 74, 0.15);
  stroke-width: 2.5;
  stroke-dasharray: 6 6;
}

.orbit-dash-circle {
  stroke: rgba(182, 155, 125, 0.3);
  stroke-width: 1;
}

.flywheel-arrow-path {
  stroke: var(--color-starbucks-green);
  stroke-width: 3.5;
  stroke-linecap: round;
  filter: drop-shadow(0 2px 5px rgba(0, 112, 74, 0.25));
  transition: var(--transition-smooth);
}

.flywheel-diagram:hover .flywheel-arrow-path {
  stroke-width: 4;
  filter: drop-shadow(0 4px 10px rgba(0, 112, 74, 0.4));
}

/* 중앙 코어 허브 (Center Core) */
.flywheel-center-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 184px;
  height: 184px;
  border-radius: 50%;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: center;
}

.core-pulse-ring {
  position: absolute;
  top: -12px;
  left: -12px;
  right: -12px;
  bottom: -12px;
  border-radius: 50%;
  border: 2px dashed rgba(0, 112, 74, 0.28);
  animation: rotatePulse 30s linear infinite;
}

@keyframes rotatePulse {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.core-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(135deg, #1E3932 0%, #132520 100%);
  color: var(--color-pure-white);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 16px;
  box-shadow: 0 14px 34px rgba(19, 37, 32, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.25);
  border: 3px solid rgba(182, 155, 125, 0.4);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.flywheel-diagram:hover .core-inner {
  transform: scale(1.03);
  box-shadow: 0 18px 42px rgba(0, 112, 74, 0.32), inset 0 1px 1px rgba(255, 255, 255, 0.3);
}

.core-tag {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #8DE0BD;
  margin-bottom: 4px;
}

.core-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.2;
  margin-bottom: 4px;
}

.core-sub {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.75);
}

/* 4대 노드 스타일 */
.flywheel-node {
  position: absolute;
  width: 250px;
  background-color: var(--color-pure-white);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(51, 58, 53, 0.08);
  display: flex;
  align-items: flex-start;
  gap: 14px;
  z-index: 5;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}

.flywheel-node:hover {
  box-shadow: 0 18px 36px rgba(0, 112, 74, 0.15);
  border-color: var(--color-starbucks-green);
}

/* 노드 원형 궤도 절대 좌표 (700px 기준) */
/* 1. 상단 (12시) */
.node-top {
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
}
.node-top:hover {
  transform: translateX(-50%) translateY(-5px);
}

/* 2. 우측 (3시) */
.node-right {
  top: 50%;
  right: 0;
  transform: translateY(-50%);
}
.node-right:hover {
  transform: translateY(-50%) translateX(5px);
}

/* 3. 하단 (6시) */
.node-bottom {
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
}
.node-bottom:hover {
  transform: translateX(-50%) translateY(5px);
}

/* 4. 좌측 (9시) */
.node-left {
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}
.node-left:hover {
  transform: translateY(-50%) translateX(-5px);
}

/* 노드 내부 */
.node-icon-box {
  position: relative;
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: var(--radius-md);
  background-color: var(--color-starbucks-green-light);
  color: var(--color-starbucks-green);
  display: flex;
  align-items: center;
  justify-content: center;
}

.node-step-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background-color: var(--color-deep-green);
  color: #FFFFFF;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  line-height: 1.1;
}

.node-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: 5px;
  line-height: 1.3;
}

.node-content p {
  font-size: 0.835rem;
  color: var(--color-secondary);
  line-height: 1.45;
  margin: 0;
}



/* 9. SECTION 04: WHY TTLE */
.why-section {
  padding: 72px 0;
  background-color: var(--color-pure-white);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  background-color: var(--color-warm-ivory);
  border-radius: var(--radius-lg);
  padding: 38px 26px;
  border: 1px solid var(--color-beige-subtle);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.why-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-starbucks-green);
  box-shadow: var(--shadow-card);
}

.why-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: var(--color-pure-white);
  color: var(--color-starbucks-green);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  box-shadow: var(--shadow-subtle);
}

.why-card h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-charcoal);
  margin-bottom: 12px;
  line-height: 1.35;
}

.why-card p {
  font-size: 1rem;
  color: var(--color-charcoal);
  line-height: 1.6;
  word-break: keep-all;
}

/* 10. SECTION 05: TTLEE ORIGINAL CHANNEL (박대장이 쏜다!) */
.channel-section {
  padding: 72px 0;
  background: linear-gradient(160deg, #1E3932 0%, #132520 100%);
  color: var(--color-pure-white);
  position: relative;
  overflow: hidden;
}

.channel-section .section-header h2 {
  color: var(--color-pure-white);
}

.channel-section .section-header p {
  color: rgba(255, 255, 255, 0.8);
}

.channel-schedule-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 14px 28px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.schedule-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 600;
}

.schedule-badge {
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  background-color: #EF4444;
  color: #fff;
}

.schedule-badge.badge-vod {
  background-color: #3B82F6;
}

/* 플랫폼 탭 */
.channel-platform-tabs {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
}

.platform-tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: var(--transition-smooth);
}

.platform-tab-btn.active {
  background-color: var(--color-pure-white);
  color: var(--color-charcoal);
  border-color: var(--color-pure-white);
}

/* 영상 카드 리스트 */
.video-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 28px;
}

.video-card {
  background-color: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.video-card:hover {
  transform: translateY(-6px);
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3);
}

.video-thumb-wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 비율 */
  background: #172a24;
  cursor: pointer;
  overflow: hidden;
}

.video-thumb-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.video-card:hover .video-thumb-img {
  transform: scale(1.08);
}

.video-thumb-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(19, 37, 32, 0.15) 0%, rgba(19, 37, 32, 0.65) 100%);
  z-index: 1;
}

.video-thumb-inner {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.play-button-overlay {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: rgba(0, 112, 74, 0.88);
  backdrop-filter: blur(4px);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.video-card:hover .play-button-overlay {
  transform: scale(1.12);
  background-color: #00875a;
}

.video-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}

.video-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: #8DE0BD;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.video-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 16px;
  color: var(--color-pure-white);
}

.video-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.channel-cta-area {
  display: flex;
  justify-content: center;
  align-items: center;
}

.channel-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* 틱톡 패널 안내 스타일 */
.tiktok-panel {
  display: none;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin: 0 auto 28px;
}

.tiktok-panel.active {
  display: block;
}

.youtube-panel {
  display: block;
}

.youtube-panel.hidden {
  display: none;
}

/* 11. SECTION 06: PARTNERSHIP */
.partnership-section {
  padding: 72px 0;
  background-color: var(--color-warm-ivory);
}

.partnership-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.partner-card {
  background-color: var(--color-pure-white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  transition: var(--transition-smooth);
}

.partner-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--color-starbucks-green);
}

.partner-target-badge {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-starbucks-green);
  background-color: var(--color-starbucks-green-light);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  align-self: flex-start;
  margin-bottom: 20px;
}

.partner-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: 12px;
}

.partner-card p {
  font-size: 0.95rem;
  color: var(--color-secondary);
  line-height: 1.65;
  margin-bottom: 0;
}

.partnership-cta-wrapper {
  text-align: center;
  margin-top: 48px;
}

/* 12. SECTION 07: FOOTER */
.footer {
  background-color: var(--color-deep-green-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 40px;
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 32px;
}

.footer-logo-box {
  width: auto;
  height: 48px;
  max-width: 190px;
  display: flex;
  align-items: center;
  margin-bottom: 18px;
}

.footer-logo-img {
  height: 100%;
  width: auto;
  object-fit: contain;
  display: block;
  transition: transform 0.25s ease;
}

.footer-logo-img:hover {
  transform: scale(1.02);
}

.footer-brand h3 {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-pure-white);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-info-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* 13. 모달 팝업 컴포넌트 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(19, 37, 32, 0.75);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  background-color: var(--color-pure-white);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 580px;
  padding: 40px;
  box-shadow: var(--shadow-elevated);
  position: relative;
  transform: translateY(20px);
  transition: var(--transition-smooth);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-overlay.active .modal-box {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 1.5rem;
  color: var(--color-secondary);
  line-height: 1;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.modal-close-btn:hover {
  color: var(--color-charcoal);
}

.modal-header {
  margin-bottom: 28px;
}

.modal-header h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-charcoal);
  margin-bottom: 8px;
}

.modal-header p {
  font-size: 0.95rem;
  color: var(--color-secondary);
}

/* 폼 스타일 */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-charcoal);
  margin-bottom: 8px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-family: inherit;
  font-size: 0.95rem;
  background-color: #FAFAFA;
  transition: var(--transition-smooth);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-starbucks-green);
  background-color: var(--color-pure-white);
  box-shadow: 0 0 0 3px rgba(0, 112, 74, 0.12);
}

/* 토스트 메시지 */
.toast-notice {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: var(--color-deep-green);
  color: var(--color-pure-white);
  padding: 14px 24px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-elevated);
  font-size: 0.95rem;
  font-weight: 600;
  z-index: 2000;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition-smooth);
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* 14. 반응형 미디어 쿼리 */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-content {
    max-width: 100%;
    text-align: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-trust-metrics {
    justify-content: center;
  }

  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .partnership-grid {
    grid-template-columns: 1fr;
  }

  /* 태블릿 플라이휠 다이어그램 크기 최적화 */
  .about-flow-grid {
    grid-template-columns: 1fr 46px 1fr 46px 1fr 46px 1fr;
    gap: 8px;
  }

  .flow-step-item {
    padding: 20px 14px;
  }

  .flow-gold-arrow-svg {
    width: 46px;
    height: 20px;
  }

  .flywheel-diagram {
    width: 580px;
    height: 580px;
  }

  .flywheel-node {
    width: 210px;
    padding: 14px 16px;
  }

  .node-content h3 {
    font-size: 0.95rem;
  }

  .node-content p {
    font-size: 0.78rem;
  }

  .flywheel-center-core {
    width: 160px;
    height: 160px;
  }

  .core-title {
    font-size: 1.1rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .header-actions {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--color-warm-ivory);
    flex-direction: column;
    padding: 32px 24px;
    gap: 20px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-card);
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .nav-link {
    font-size: 1.05rem;
    padding: 10px 16px;
    width: 100%;
    border-radius: var(--radius-sm);
  }

  .nav-link.active {
    background-color: var(--color-starbucks-green-light);
    color: var(--color-starbucks-green);
    font-weight: 700;
  }

  .nav-link.active::after {
    left: 16px;
    bottom: 6px;
    width: 32px;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1.05rem;
  }

  .hero-visual-image-wrapper {
    padding-top: 72%;
  }

  .hero-main-img {
    transform: none;
    object-position: center 25%;
  }

  .hero-schedule-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 14px;
  }

  /* 모바일 선순환 다이어그램 세로형 루프 레이아웃 */
  .flywheel-diagram {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 10px 0;
  }

  .flywheel-svg-track {
    display: none;
  }

  .flywheel-center-core {
    position: static;
    transform: none;
    width: 100%;
    max-width: 320px;
    height: auto;
    margin-bottom: 12px;
  }

  .core-pulse-ring {
    display: none;
  }

  .core-inner {
    border-radius: var(--radius-lg);
    padding: 18px 24px;
  }

  .flywheel-node {
    position: relative;
    top: auto;
    bottom: auto;
    left: auto;
    right: auto;
    transform: none !important;
    width: 100%;
    max-width: 400px;
    padding: 20px 22px;
  }

  .flywheel-node:not(:last-child)::after {
    content: '↓';
    position: absolute;
    bottom: -18px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1rem;
    font-weight: 800;
    color: var(--color-starbucks-green);
    background: #FFFFFF;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-subtle);
    border: 1px solid rgba(0, 112, 74, 0.2);
    z-index: 10;
  }

  .flywheel-node.node-bottom:not(:last-child)::after {
    content: '↓';
  }

  .flywheel-node:last-child::after {
    display: none;
  }

  .about-flow-grid {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .flow-arrow-divider {
    height: 48px;
    padding: 6px 0;
  }

  .flow-gold-arrow-svg {
    transform: rotate(90deg);
    width: 48px;
    height: 20px;
  }

  .flow-arrow-divider:hover .flow-gold-arrow-svg {
    transform: rotate(90deg) scale(1.1);
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

  .footer-top {
    flex-direction: column;
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  /* 모바일 채널 카드 가로 스크롤 (Snap Scroll) */
  .video-cards-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 16px;
    padding-bottom: 16px;
    -webkit-overflow-scrolling: touch;
  }

  .video-card {
    min-width: 280px;
    max-width: 280px;
    scroll-snap-align: start;
    flex-shrink: 0;
  }
}