/* ===== HERO ===== */
.sub-hero {
  text-align: center;
  padding: 90px 40px 72px;
  border-bottom: 1px solid #E8E4DC;
}

.sub-hero-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: #6B6B6B;
  margin-bottom: 18px;
}

.sub-hero-title {
  font-size: 46px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.sub-hero-desc {
  font-size: 15px;
  color: #6B6B6B;
  line-height: 1.8;
  margin-bottom: 36px;
}

.sub-hero-tabs {
  display: inline-flex;
  border: 1px solid #E8E4DC;
  background-color: #F5F2EC;
}

.hero-tab {
  padding: 10px 28px;
  font-size: 13px;
  font-weight: 500;
  color: #6B6B6B;
  background: none;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
  letter-spacing: 0.03em;
}

.hero-tab.active {
  background-color: #1A1A1A;
  color: #FFFFFF;
}

/* ===== SECTION ===== */
.sub-section {
  padding: 80px 40px;
  background-color: #FAF8F4;
}

.sub-section--dark {
  background-color: #1A1A1A;
}

.sub-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.sub-section-header {
  margin-bottom: 48px;
}

.sub-heading {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 10px 0 14px;
}

.sub-desc {
  font-size: 14px;
  color: #6B6B6B;
  line-height: 1.8;
}

.sub-desc strong {
  color: #1A1A1A;
  font-weight: 600;
}

/* ===== 주기 토글 ===== */
.frequency-toggle {
  display: inline-flex;
  border: 1px solid #E8E4DC;
  margin-bottom: 36px;
}

.freq-btn {
  padding: 9px 28px;
  font-size: 13px;
  font-weight: 500;
  color: #6B6B6B;
  background: none;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
}

.freq-btn.active {
  background-color: #1A1A1A;
  color: #FFFFFF;
}

/* ===== 플랜 카드 ===== */
.plan-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.plan-card {
  border: 1px solid #E8E4DC;
  background-color: #FFFFFF;
  position: relative;
  transition: box-shadow 0.2s;
}

.plan-card:hover {
  box-shadow: 0 4px 24px rgba(26,26,26,0.08);
}

.plan-card--featured {
  border-color: #1A1A1A;
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #1A1A1A;
  color: #FAF8F4;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 4px 14px;
  white-space: nowrap;
}

.plan-card-inner {
  padding: 36px 28px 28px;
  display: flex;
  flex-direction: column;
}

.plan-name {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: #6B6B6B;
  margin-bottom: 4px;
}

.plan-weight {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 4px;
}

.plan-price {
  font-size: 26px;
  font-weight: 600;
  color: #1A1A1A;
}

.plan-price-unit {
  font-size: 13px;
  color: #6B6B6B;
}

.plan-original {
  font-size: 12px;
  color: #AAAAAA;
  text-decoration: line-through;
  margin-bottom: 24px;
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
  flex: 1;
}

.plan-features li {
  font-size: 13px;
  color: #4A4A4A;
  padding-left: 14px;
  position: relative;
}

.plan-features li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: #BBBBBB;
  font-size: 11px;
}

.btn-plan {
  width: 100%;
  padding: 13px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  border: 1px solid #1A1A1A;
  background-color: #FFFFFF;
  color: #1A1A1A;
  transition: background-color 0.2s, color 0.2s;
}

.btn-plan:hover {
  background-color: #1A1A1A;
  color: #FFFFFF;
}

.btn-plan--featured {
  background-color: #1A1A1A;
  color: #FFFFFF;
}

.btn-plan--featured:hover {
  background-color: #444444;
}

/* ===== 인라인 폼 ===== */
.inline-form {
  border: 1px solid #E8E4DC;
  background-color: #F5F2EC;
  padding: 36px 32px;
  margin-top: 8px;
}

.inline-form-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.inline-form-title {
  font-size: 17px;
  font-weight: 600;
}

.inline-form-close {
  font-size: 22px;
  color: #6B6B6B;
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}

.inline-form-close:hover { color: #1A1A1A; }

.inline-form-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid #E8E4DC;
  background-color: #FFFFFF;
  font-family: inherit;
  font-size: 14px;
  color: #1A1A1A;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s;
}

.form-textarea:focus { border-color: #1A1A1A; }

.btn-submit-form {
  width: 100%;
  padding: 14px;
  background-color: #1A1A1A;
  color: #FAF8F4;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn-submit-form:hover { background-color: #444444; }

/* ===== 구분선 ===== */
.section-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 40px;
  background-color: #FAF8F4;
}

.section-divider::before,
.section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: #E8E4DC;
}

.section-divider span {
  font-size: 12px;
  color: #AAAAAA;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

/* ===== 파트너 섹션 ===== */
.partner-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.partner-benefits {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.benefit-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.benefit-icon {
  font-size: 22px;
  flex-shrink: 0;
  margin-top: 2px;
}

.benefit-title {
  font-size: 14px;
  font-weight: 600;
  color: #FAF8F4;
  margin-bottom: 4px;
}

.benefit-desc {
  font-size: 13px;
  color: #888888;
  line-height: 1.7;
}

.partner-quote {
  margin-top: 12px;
  padding: 20px 24px;
  border-left: 2px solid #444444;
  font-size: 14px;
  font-style: italic;
  color: #6B6B6B;
  line-height: 1.7;
}

/* ===== 파트너 폼 ===== */
.partner-form-wrap {
  background-color: #111111;
  border: 1px solid #2A2A2A;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.partner-form-title {
  font-size: 18px;
  font-weight: 600;
  color: #FAF8F4;
  margin-bottom: 2px;
}

.partner-form-sub {
  font-size: 13px;
  color: #6B6B6B;
  margin-bottom: 8px;
}

.form-label--light {
  color: #8B8B8B;
}

.form-input--dark {
  background-color: #1A1A1A;
  border-color: #2A2A2A;
  color: #FAF8F4;
}

.form-input--dark::placeholder { color: #555555; }
.form-input--dark:focus { border-color: #666666; }

.form-textarea--dark {
  background-color: #1A1A1A;
  border-color: #2A2A2A;
  color: #FAF8F4;
}

.form-textarea--dark::placeholder { color: #555555; }
.form-textarea--dark:focus { border-color: #666666; }

.option-btn--dark {
  border-color: #2A2A2A;
  background-color: #1A1A1A;
  color: #8B8B8B;
}

.option-btn--dark:hover { border-color: #555555; color: #FAF8F4; }

.option-btn--dark.selected {
  border-color: #FAF8F4;
  background-color: #FAF8F4;
  color: #1A1A1A;
}

.btn-partner-submit {
  width: 100%;
  padding: 14px;
  background-color: #FAF8F4;
  color: #1A1A1A;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
  margin-top: 4px;
}

.btn-partner-submit:hover { background-color: #E8E4DC; }

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background-color: #1A1A1A;
  color: #FAF8F4;
  padding: 14px 24px;
  font-size: 13px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  white-space: nowrap;
  z-index: 500;
}

.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .plan-cards {
    grid-template-columns: 1fr;
    max-width: 420px;
  }

  .partner-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .form-row-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .sub-hero { padding: 60px 20px 50px; }
  .sub-hero-title { font-size: 32px; }
  .sub-section { padding: 56px 20px; }
  .section-divider { padding: 0 20px; }
}