/* ==========================================================================
   백기로부동산 - 모바일 최적화 랜딩페이지 디자인 스타일시트 (style.css)
   ========================================================================== */

/* 1. Root Design Tokens */
:root {
  --primary-dark: #0a192f;
  --primary-navy: #0f2b48;
  --primary-blue: #1b4965;
  --accent-gold: #e2b049;
  --accent-gold-hover: #c99834;
  --accent-emerald: #00b4d8;
  --accent-green: #2ec4b6;
  
  --bg-light: #f8fafc;
  --bg-card: #ffffff;
  --bg-dark-card: #132a42;
  
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #f1f5f9;
  --text-gold: #f4d35e;

  --border-color: #e2e8f0;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 43, 72, 0.12);
  --shadow-lg: 0 16px 40px rgba(15, 43, 72, 0.18);
  --shadow-glow: 0 0 20px rgba(0, 180, 216, 0.35);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 2. Reset & Global Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-light);
  color: var(--text-main);
  line-height: 1.6;
  padding-bottom: 76px; /* 하단 고정 바 공간 확보 */
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* 3. Header & Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 25, 47, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 14px 20px;
}

.navbar-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.5px;
}

.brand-badge {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-hover));
  color: var(--primary-dark);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.header-call-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--accent-emerald), var(--accent-green));
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(0, 180, 216, 0.3);
  transition: var(--transition);
}

.header-call-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* 4. Hero Section */
.hero {
  position: relative;
  background: linear-gradient(145deg, var(--primary-dark) 0%, var(--primary-navy) 60%, var(--primary-blue) 100%);
  color: #fff;
  padding: 120px 20px 65px;
  text-align: center;
  overflow: hidden;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-content {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  z-index: 1;
}

.hero-location-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-gold);
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.hero-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 16px;
  letter-spacing: -1px;
  color: #ffffff;
  text-shadow: 0 3px 12px rgba(0, 0, 0, 0.7);
}

.hero-title span {
  color: var(--accent-gold);
  background: linear-gradient(135deg, #ffe082, var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.08rem;
  color: #f1f5f9;
  margin-bottom: 32px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 500;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
}

.hero-cta-group {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary-lg {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-hover));
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 1.05rem;
  padding: 16px 28px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(226, 176, 73, 0.4);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-primary-lg:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(226, 176, 73, 0.5);
}

.btn-secondary-lg {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  font-weight: 700;
  font-size: 1.05rem;
  padding: 16px 28px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.btn-secondary-lg:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-3px);
}

/* 5. Quick Info Cards (Trust Stats) - 4개 가로 한 줄 정렬 */
.quick-stats {
  max-width: 1100px;
  margin: -30px auto 40px;
  padding: 0 20px;
  position: relative;
  z-index: 2;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

@media (max-width: 900px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 550px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.stat-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--primary-navy);
  margin-bottom: 4px;
}

.stat-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* 6. Section Container */
.section {
  padding: 50px 20px;
  max-width: 1100px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 36px;
}

.section-tag {
  display: inline-block;
  color: var(--primary-blue);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: rgba(27, 73, 101, 0.1);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 8px;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary-navy);
  letter-spacing: -0.5px;
}

/* 7. Services & Specialties Grid - 네모 상자 카드를 가로 한 줄로 정렬 (4열 1줄) */
.specialties-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

@media (max-width: 900px) {
  .specialties-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 550px) {
  .specialties-grid {
    grid-template-columns: 1fr;
  }
}

.specialty-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.specialty-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, var(--accent-emerald), var(--primary-blue));
}

.specialty-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-emerald);
}

.specialty-num {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--accent-emerald);
  margin-bottom: 8px;
}

.specialty-title {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 8px;
  line-height: 1.35;
}

.specialty-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* 8. Application Form Section (매물 접수 & 문의) */
.form-section {
  background: linear-gradient(135deg, #132a42 0%, #0f2b48 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  box-shadow: var(--shadow-lg);
  margin-top: 20px;
}

.form-header {
  text-align: center;
  margin-bottom: 32px;
}

.form-header h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: #fff;
}

.form-header p {
  color: #cbd5e1;
  font-size: 0.95rem;
}

.property-form {
  max-width: 680px;
  margin: 0 auto;
}

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

@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

.form-group {
  margin-bottom: 18px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: #e2e8f0;
}

.form-control {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.14);
  border-color: var(--accent-emerald);
  box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.25);
}

.form-control option {
  background: var(--primary-dark);
  color: #fff;
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.submit-btn {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-hover));
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 1.1rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(226, 176, 73, 0.35);
  transition: var(--transition);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(226, 176, 73, 0.45);
}

/* 9. Location & Map Section */
.location-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 30px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 768px) {
  .location-card {
    grid-template-columns: 1fr;
  }
}

.location-info h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-navy);
  margin-bottom: 12px;
}

.info-item {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.95rem;
}

.info-icon {
  font-size: 1.2rem;
  color: var(--primary-blue);
  flex-shrink: 0;
}

.info-text strong {
  display: block;
  color: var(--primary-navy);
}

.map-buttons {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.map-btn {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.map-btn.naver {
  background-color: #03cf5d;
  color: #fff;
}

.map-btn.kakao {
  background-color: #fee500;
  color: #191919;
}

.map-btn:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.mock-map-view {
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
  border-radius: var(--radius-sm);
  height: 100%;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px;
  text-align: center;
  border: 1px dashed #94a3b8;
}

/* 10. Footer */
.footer {
  background: var(--primary-dark);
  color: #94a3b8;
  padding: 40px 20px;
  text-align: center;
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-name {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.footer-info {
  margin-bottom: 16px;
  line-height: 1.7;
}

/* 11. Mobile Sticky Bottom Bar (하단 고정 전화 바) */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(10, 25, 47, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 10px 16px;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  gap: 10px;
}

.sticky-call-btn {
  flex: 1;
  background: linear-gradient(135deg, var(--accent-emerald), var(--accent-green));
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
  padding: 14px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(0, 180, 216, 0.4);
  transition: var(--transition);
}

.sticky-call-btn:active {
  transform: scale(0.98);
}

.sticky-apply-btn {
  flex: 1;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-hover));
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 1.05rem;
  padding: 14px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(226, 176, 73, 0.4);
  transition: var(--transition);
}

.sticky-apply-btn:active {
  transform: scale(0.98);
}

/* 12. Modal Popup */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

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

.modal-box {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  max-width: 440px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: var(--transition);
}

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

.modal-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.modal-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-navy);
  margin-bottom: 8px;
}

.modal-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.5;
}

.modal-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.modal-btn {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.modal-btn.primary {
  background: var(--primary-navy);
  color: #fff;
}

.modal-btn.secondary {
  background: var(--bg-light);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

/* 13. Blog Link Styles */
.blog-badge {
  display: inline-block;
  background-color: #03cf5d;
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  margin-left: 4px;
  vertical-align: middle;
  box-shadow: 0 2px 6px rgba(3, 207, 93, 0.35);
  transition: var(--transition);
}

.land-badge {
  display: inline-block;
  background-color: #2b6cb0;
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  margin-left: 4px;
  vertical-align: middle;
  box-shadow: 0 2px 6px rgba(43, 108, 176, 0.35);
  transition: var(--transition);
}

.youtube-badge {
  display: inline-block;
  background-color: #ff0000;
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  vertical-align: middle;
  box-shadow: 0 2px 6px rgba(255, 0, 0, 0.35);
  transition: var(--transition);
}

.kakao-badge {
  display: inline-block;
  background-color: #fee500;
  color: #191919;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  vertical-align: middle;
  box-shadow: 0 2px 6px rgba(254, 229, 0, 0.45);
  transition: var(--transition);
}

.card-badge-wrap {
  margin-top: 4px;
  margin-bottom: 6px;
}

.blog-badge.inline {
  font-size: 0.7rem;
  padding: 1px 6px;
}

.hero-title-link {
  color: #ffffff;
  transition: var(--transition);
  display: inline-block;
}

.hero-title-link:hover {
  color: var(--accent-gold);
  transform: translateY(-2px);
}

.stat-card-link,
.specialty-card-link {
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

.stat-card-link:hover {
  border-color: #03cf5d !important;
  box-shadow: 0 8px 24px rgba(3, 207, 93, 0.25) !important;
}

.specialty-card-link:hover {
  border-color: #03cf5d !important;
  box-shadow: 0 8px 24px rgba(3, 207, 93, 0.25) !important;
}

.stat-card-link:hover .blog-badge,
.specialty-card-link:hover .blog-badge {
  transform: scale(1.08);
  background-color: #02b350;
}