/* ── 사업 투자 페이지 ── */

* { box-sizing: border-box; }

.inv-page {
  font-family: -apple-system, BlinkMacSystemFont, 'Noto Sans KR', 'Segoe UI', sans-serif;
  color: #222;
  line-height: 1.6;
}

.inv-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ── 공통 섹션 ── */
.inv-section {
  padding: 80px 0;
}
.inv-section-dark {
  background: #111;
  color: #eee;
}
.inv-section-brand {
  background: linear-gradient(135deg, #FF7A1A 0%, #e05e00 100%);
  color: #fff;
}
.inv-section-contact {
  background: #1a1a2e;
  color: #eee;
}

.inv-section-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: #FF7A1A;
  margin-bottom: 12px;
}
.inv-label-light {
  color: rgba(255,255,255,0.6);
}

.inv-section-title {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 800;
  letter-spacing: -1px;
  margin: 0 0 16px;
  line-height: 1.25;
}
.inv-title-light { color: #fff; }

.inv-section-desc {
  font-size: 16px;
  color: #555;
  margin: 0 0 48px;
  max-width: 700px;
  line-height: 1.8;
}

/* ── 히어로 ── */
.inv-hero {
  position: relative;
  background: linear-gradient(160deg, #0f0f1a 0%, #1e1e2e 40%, #2a1a0a 100%);
  color: #fff;
  padding: 120px 0 100px;
  overflow: hidden;
  min-height: 560px;
  display: flex;
  align-items: center;
}
.inv-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(255,122,26,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(255,122,26,0.10) 0%, transparent 60%);
  pointer-events: none;
}

.inv-badge {
  display: inline-block;
  background: rgba(255,122,26,0.2);
  border: 1px solid rgba(255,122,26,0.5);
  color: #FF7A1A;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.inv-hero-title {
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.15;
  margin: 0 0 24px;
}
.inv-accent {
  color: #FF7A1A;
}

.inv-hero-sub {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  margin: 0 0 40px;
  max-width: 600px;
  line-height: 1.8;
}

.inv-btn-primary {
  display: inline-block;
  background: #FF7A1A;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  padding: 16px 36px;
  border-radius: 8px;
  text-decoration: none;
  transition: background .2s, transform .15s;
  box-shadow: 0 4px 20px rgba(255,122,26,0.4);
}
.inv-btn-primary:hover {
  background: #e06500;
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(255,122,26,0.5);
}

.inv-hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}
.inv-hero-scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  margin: 0 auto;
  animation: inv-scroll-pulse 1.8s ease-in-out infinite;
}
@keyframes inv-scroll-pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
  50%       { opacity: 1;   transform: scaleY(1); }
}

/* ── 핵심 지표 ── */
.inv-stats {
  background: #fff;
  padding: 48px 0;
  border-bottom: 1px solid #eee;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}
.inv-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.inv-stat-card {
  padding: 24px 32px;
  text-align: center;
  border-right: 1px solid #eee;
}
.inv-stat-card:last-child { border-right: none; }

.inv-stat-num {
  font-size: 36px;
  font-weight: 900;
  color: #FF7A1A;
  letter-spacing: -1px;
  line-height: 1;
}
.inv-stat-unit {
  font-size: 18px;
  font-weight: 600;
  color: #aaa;
}
.inv-stat-label {
  font-size: 13px;
  color: #888;
  margin-top: 6px;
}

/* ── 사업 개요 카드 ── */
.inv-overview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 8px;
}
.inv-overview-card {
  background: #f9f9fb;
  border: 1px solid #eee;
  border-radius: 16px;
  padding: 32px;
  transition: transform .2s, box-shadow .2s;
}
.inv-overview-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}
.inv-overview-icon {
  font-size: 36px;
  margin-bottom: 16px;
}
.inv-overview-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 10px;
}
.inv-overview-card p {
  font-size: 14px;
  color: #666;
  margin: 0;
  line-height: 1.7;
}

/* ── 왜 지금인가 ── */
.inv-why-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 8px;
}
.inv-why-item {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 36px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.inv-why-item:last-child { border-bottom: none; }

.inv-why-num {
  font-size: 48px;
  font-weight: 900;
  color: rgba(255,122,26,0.3);
  line-height: 1;
  flex-shrink: 0;
  width: 60px;
}
.inv-why-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 8px;
}
.inv-why-body p {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  margin: 0;
  line-height: 1.7;
}

/* ── 수익 구조 ── */
.inv-revenue-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 8px;
}
.inv-revenue-card {
  background: #f9f9fb;
  border: 1px solid #eee;
  border-radius: 14px;
  padding: 28px 24px;
  position: relative;
  transition: transform .2s;
}
.inv-revenue-card:hover { transform: translateY(-3px); }
.inv-revenue-main {
  border-color: #FF7A1A;
  box-shadow: 0 0 0 2px rgba(255,122,26,0.15);
}

.inv-revenue-tag {
  position: absolute;
  top: -10px;
  left: 20px;
  background: #FF7A1A;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 100px;
}
.inv-revenue-icon { font-size: 28px; margin-bottom: 12px; }
.inv-revenue-card h3 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 8px;
}
.inv-revenue-card p {
  font-size: 13px;
  color: #666;
  margin: 0 0 16px;
  line-height: 1.65;
}
.inv-revenue-bar {
  height: 4px;
  background: #e8e8e8;
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 6px;
}
.inv-revenue-fill {
  height: 100%;
  background: #FF7A1A;
  border-radius: 2px;
}
.inv-revenue-pct {
  font-size: 11px;
  color: #FF7A1A;
  font-weight: 600;
}

/* ── 인수 패키지 ── */
.inv-package-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 8px;
}
.inv-package-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 12px;
  padding: 24px;
}
.inv-package-check {
  width: 28px;
  height: 28px;
  background: rgba(255,255,255,0.9);
  color: #FF7A1A;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 900;
  flex-shrink: 0;
}
.inv-package-item strong {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
  color: #fff;
}
.inv-package-item span {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  line-height: 1.6;
}

/* ── 투자 대상 ── */
.inv-partner-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 8px;
}
.inv-partner-card {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 16px;
  padding: 32px;
  transition: transform .2s, box-shadow .2s;
}
.inv-partner-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}
.inv-partner-card-wide {
  grid-column: 1 / -1;
  background: #fff8f3;
  border-color: rgba(255,122,26,0.2);
}
.inv-partner-emoji {
  font-size: 36px;
  margin-bottom: 14px;
}
.inv-partner-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 10px;
}
.inv-partner-card p {
  font-size: 14px;
  color: #666;
  margin: 0;
  line-height: 1.7;
}
.inv-partner-list {
  margin: 14px 0 0;
  padding: 0 0 0 18px;
  color: #555;
  font-size: 14px;
  line-height: 1.8;
}

/* ── 문의 ── */
.inv-contact-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  margin: 0 0 48px;
  line-height: 1.8;
}
.inv-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 20px;
  margin-bottom: 32px;
}
.inv-contact-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  padding: 32px 28px;
  text-align: center;
  transition: background .2s;
}
.inv-contact-card:hover { background: rgba(255,255,255,0.12); }
.inv-contact-card-main {
  background: rgba(255,122,26,0.15);
  border-color: rgba(255,122,26,0.35);
}
.inv-contact-card-inquiry {
  background: rgba(99,102,241,0.12);
  border-color: rgba(99,102,241,0.3);
}
.inv-inquiry-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #6366f1;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  margin-bottom: 8px;
  font-family: inherit;
  transition: background .15s, transform .15s;
  box-shadow: 0 3px 12px rgba(99,102,241,.35);
}
.inv-inquiry-btn:hover {
  background: #4f46e5;
  transform: translateY(-1px);
  box-shadow: 0 5px 18px rgba(99,102,241,.5);
}
.inv-contact-icon { font-size: 32px; margin-bottom: 10px; }
.inv-contact-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 8px;
}
a.inv-contact-value {
  display: block;
  font-size: 20px;
  font-weight: 700;
  color: #FF7A1A;
  text-decoration: none;
  margin-bottom: 6px;
  word-break: break-all;
}
a.inv-contact-value:hover { text-decoration: underline; }
.inv-contact-value.inv-contact-addr {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}
.inv-contact-note {
  font-size: 12px;
  color: rgba(255,255,255,0.45);
  line-height: 1.6;
}

.inv-contact-notice {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: rgba(255,122,26,0.1);
  border: 1px solid rgba(255,122,26,0.25);
  border-radius: 12px;
  padding: 20px 24px;
}
.inv-notice-icon { font-size: 20px; flex-shrink: 0; margin-top: 2px; }
.inv-contact-notice p {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  margin: 0;
  line-height: 1.7;
}
.inv-contact-notice strong { color: #FF7A1A; }

/* ── 푸터 ── */
.inv-footer {
  background: #0a0a0a;
  padding: 28px 0;
  text-align: center;
  color: #555;
  font-size: 12px;
  line-height: 1.8;
}

/* ── 반응형 ── */
@media (max-width: 900px) {
  .inv-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .inv-stat-card:nth-child(2) { border-right: none; }
  .inv-revenue-grid { grid-template-columns: repeat(2, 1fr); }
  .inv-contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .inv-section { padding: 56px 0; }
  .inv-hero { padding: 80px 0 72px; }
  .inv-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .inv-overview-grid { grid-template-columns: 1fr; }
  .inv-partner-grid { grid-template-columns: 1fr; }
  .inv-partner-card-wide { grid-column: 1; }
  .inv-revenue-grid { grid-template-columns: 1fr 1fr; }
  .inv-package-grid { grid-template-columns: 1fr; }
  .inv-why-item { flex-direction: column; gap: 8px; }
  .inv-why-num { font-size: 32px; }
}
@media (max-width: 480px) {
  .inv-stats-grid { grid-template-columns: 1fr 1fr; }
  .inv-revenue-grid { grid-template-columns: 1fr; }
  .inv-stat-card { border-right: none; border-bottom: 1px solid #eee; }
}