@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css');

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --primary-light: #3B82F6;
  --primary-bg: #EFF6FF;
  --accent: #0EA5E9;
  --text-dark: #0F172A;
  --text-medium: #475569;
  --text-light: #94A3B8;
  --bg-white: #FFFFFF;
  --bg-gray: #F8FAFC;
  --border: #E2E8F0;
  --success: #10B981;
  --warning: #F59E0B;
  --gradient: linear-gradient(135deg, #2563EB 0%, #0EA5E9 100%);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(37, 99, 235, 0.12);
  --shadow-lg: 0 8px 32px rgba(37, 99, 235, 0.18);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-white);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ============================================================
       LOADER
    ============================================================ */
#loader {
  position: fixed;
  inset: 0;
  background: var(--bg-white);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

#loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-logo-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  margin-bottom: 16px;
}

.loader-wordmark {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  margin-bottom: 28px;
}

.loader-spinner {
  width: 44px;
  height: 44px;
  border: 3px solid var(--primary-bg);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

.loader-dots {
  display: flex;
  gap: 8px;
  margin-top: 18px;
}

.loader-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse-dot 1.4s ease-in-out infinite;
}

.loader-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.loader-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse-dot {

  0%,
  80%,
  100% {
    transform: scale(0.6);
    opacity: 0.4;
  }

  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* ============================================================
       NAVIGATION
    ============================================================ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  z-index: 1000;
  transition: var(--transition);
}

nav.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 19px;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -0.5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 9px;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 15px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
}

.nav-links a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 13px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-medium);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--primary);
  background: var(--primary-bg);
}

.nav-links a.active {
  color: var(--primary);
  background: var(--primary-bg);
  font-weight: 600;
}

.nav-links a.nav-cta {
  background: var(--gradient);
  color: white !important;
  font-weight: 600;
}

.nav-links a.nav-cta:hover {
  opacity: 0.88;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: var(--transition);
  display: block;
}

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: white;
  border-bottom: 1px solid var(--border);
  padding: 12px 20px 16px;
  z-index: 999;
  box-shadow: var(--shadow-md);
}

.mobile-menu.open {
  display: block;
}

.mobile-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-medium);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--primary);
  background: var(--primary-bg);
}

/* ============================================================
       MAIN & PAGES
    ============================================================ */
main {
  padding-top: 72px;
}

.page {
  display: none;
  animation: fadeUp 0.35s ease;
  min-height: calc(100vh - 72px);
}

.page.active {
  display: block;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
       COMMON COMPONENTS
    ============================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero */
.hero {
  background: var(--gradient);
  padding: 80px 24px 96px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: -15%;
  width: 580px;
  height: 580px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -8%;
  width: 420px;
  height: 420px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 50%;
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.18);
  color: white;
  padding: 6px 15px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(30px, 5vw, 54px);
  font-weight: 800;
  color: white;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.hero p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 540px;
  margin: 0 auto 32px;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--gradient);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-white {
  background: white;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
}

/* Sections */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--bg-gray);
}

.section-title {
  text-align: center;
  margin-bottom: 52px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 10px;
}

.section-title h2 {
  font-size: clamp(24px, 3.5vw, 38px);
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 10px;
}

.section-title p {
  font-size: 15px;
  color: var(--text-medium);
  max-width: 500px;
  margin: 0 auto;
}

/* Cards */
.card {
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 26px;
  transition: var(--transition);
}

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

.card-icon {
  width: 50px;
  height: 50px;
  background: var(--primary-bg);
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 20px;
  margin-bottom: 14px;
}

/* Grids */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* Tags */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.tag {
  padding: 4px 11px;
  background: var(--primary-bg);
  color: var(--primary);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
}

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.step-item {
  text-align: center;
  padding: 20px 14px;
  position: relative;
}

.step-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 36px;
  right: -10%;
  width: 20%;
  height: 2px;
  background: linear-gradient(to right, var(--primary-light), var(--border));
}

.step-num {
  width: 48px;
  height: 48px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 17px;
  margin: 0 auto 12px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.step-item h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 5px;
}

.step-item p {
  font-size: 13px;
  color: var(--text-medium);
}

/* Stats */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat-box {
  background: white;
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.stat-box:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.stat-num {
  font-size: 30px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -1px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-medium);
  margin-top: 4px;
}

/* ============================================================
       PAGE 1 — 주소 안내
    ============================================================ */
.address-search {
  background: white;
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-lg);
  max-width: 640px;
  margin: -48px auto 0;
  position: relative;
  z-index: 10;
}

.search-row {
  display: flex;
  gap: 12px;
}

.search-input-wrap {
  flex: 1;
  position: relative;
}

.search-input-wrap i {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
}

.search-input {
  width: 100%;
  padding: 13px 14px 13px 40px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text-dark);
  transition: var(--transition);
  outline: none;
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
}

.address-map {
  background: var(--primary-bg);
  border-radius: var(--radius-lg);
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed rgba(37, 99, 235, 0.25);
  flex-direction: column;
  gap: 10px;
  color: var(--primary);
}

.address-map i {
  font-size: 52px;
  opacity: 0.35;
}

.address-map p {
  font-size: 14px;
  font-weight: 500;
  opacity: 0.55;
}

.address-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.address-info-card {
  background: var(--primary-bg);
  border-radius: var(--radius);
  padding: 18px;
  border-left: 4px solid var(--primary);
}

.address-info-card h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 7px;
  display: flex;
  align-items: center;
  gap: 7px;
}

.address-info-card p {
  font-size: 13px;
  color: var(--text-medium);
  line-height: 1.6;
}

/* ============================================================
       PAGE 2 — 플랫폼 비교
    ============================================================ */
.compare-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

.compare-table th {
  padding: 18px 22px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  background: var(--bg-gray);
  border-bottom: 2px solid var(--border);
}

.compare-table th:first-child {
  text-align: left;
}

.compare-table th.hl {
  background: var(--primary);
  color: white;
}

.compare-table td {
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-medium);
  text-align: center;
}

.compare-table td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--text-dark);
}

.compare-table td.hl {
  background: rgba(37, 99, 235, 0.04);
  font-weight: 600;
  color: var(--primary);
}

.compare-table tr:last-child td {
  border-bottom: none;
}

.compare-table .check {
  color: var(--success);
}

.compare-table .cross {
  color: #EF4444;
}

.compare-table .partial {
  color: var(--warning);
  font-size: 12px;
}

.platform-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.platform-card {
  background: white;
  border-radius: var(--radius-lg);
  border: 2px solid var(--border);
  padding: 30px 22px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.platform-card:hover {
  box-shadow: var(--shadow-md);
}

.platform-card.featured {
  border-color: var(--primary);
  transform: scale(1.03);
}

.featured-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: white;
  padding: 4px 16px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.platform-logo {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
}

.platform-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.platform-card>p {
  font-size: 13px;
  color: var(--text-medium);
  margin-bottom: 18px;
  line-height: 1.6;
}

.platform-features {
  list-style: none;
  text-align: left;
  margin-bottom: 20px;
}

.platform-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-medium);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}

.platform-features li:last-child {
  border-bottom: none;
}

.platform-features li i.fa-check {
  color: var(--success);
}

/* ============================================================
       PAGE 3 — 강남 가이드
    ============================================================ */
.district-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  margin-bottom: 28px;
  scrollbar-width: none;
}

.district-tabs::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  flex-shrink: 0;
  padding: 8px 18px;
  border-radius: 100px;
  border: 2px solid var(--border);
  background: white;
  color: var(--text-medium);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.tab-btn:hover,
.tab-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.district-content {
  display: none;
}

.district-content.active {
  display: block;
  animation: fadeUp 0.3s ease;
}

.gangnam-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.gangnam-img {
  background: linear-gradient(135deg, var(--primary-bg), #DBEAFE);
  border-radius: var(--radius-lg);
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 72px;
}

.gangnam-info h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
}

.gangnam-info p {
  font-size: 14px;
  color: var(--text-medium);
  line-height: 1.7;
  margin-bottom: 14px;
}

.spots-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.spot-card {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.spot-img {
  height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 46px;
}

.spot-body {
  padding: 14px;
}

.spot-body h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 5px;
}

.spot-body p {
  font-size: 13px;
  color: var(--text-medium);
  line-height: 1.5;
}

.spot-meta {
  display: flex;
  gap: 12px;
  margin-top: 9px;
}

.spot-meta span {
  font-size: 12px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ============================================================
       PAGE 4 — 제휴 문의
    ============================================================ */
.partnership-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px;
  align-items: start;
}

.partnership-info h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

.partnership-info>p {
  font-size: 14px;
  color: var(--text-medium);
  line-height: 1.7;
  margin-bottom: 28px;
}

.benefit-list {
  list-style: none;
}

.benefit-list li {
  display: flex;
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--border);
}

.benefit-list li:last-child {
  border-bottom: none;
}

.benefit-icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  background: var(--primary-bg);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 17px;
}

.benefit-text h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 3px;
}

.benefit-text p {
  font-size: 13px;
  color: var(--text-medium);
  margin: 0;
}

.form-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.form-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 6px;
}

.form-card>div>p,
.form-card p.sub {
  font-size: 13px;
  color: var(--text-medium);
  margin-bottom: 24px;
}

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

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: 7px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 11px 14px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text-dark);
  background: white;
  transition: var(--transition);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
  line-height: 1.6;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-note {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 14px;
  text-align: center;
}

.success-msg {
  display: none;
  text-align: center;
  padding: 28px 16px;
}

.success-msg.show {
  display: block;
}

.success-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #10B981, #34D399);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  font-size: 26px;
  color: white;
}

/* ============================================================
       PAGE 5 — 고객센터
    ============================================================ */
.support-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}

.support-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.support-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.support-card-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.support-card h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 7px;
}

.support-card p {
  font-size: 13px;
  color: var(--text-medium);
  margin-bottom: 12px;
  line-height: 1.6;
}

.support-card .hours {
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 14px;
}

.faq-section h3 {
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 20px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: white;
  border: none;
  padding: 17px 20px;
  text-align: left;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: inherit;
  transition: var(--transition);
}

.faq-question:hover {
  background: var(--bg-gray);
}

.faq-question.open {
  color: var(--primary);
  background: var(--primary-bg);
}

.faq-question i {
  transition: var(--transition);
  color: var(--text-light);
  font-size: 13px;
}

.faq-question.open i {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer.open {
  max-height: 240px;
}

.faq-answer-inner {
  padding: 4px 20px 18px;
  font-size: 14px;
  color: var(--text-medium);
  line-height: 1.7;
  background: var(--primary-bg);
}

.notice-box {
  background: var(--primary-bg);
  border-radius: var(--radius);
  border-left: 4px solid var(--primary);
  padding: 16px 18px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 22px;
}

.notice-box i {
  color: var(--primary);
  font-size: 16px;
  margin-top: 2px;
  flex-shrink: 0;
}

.notice-box p {
  font-size: 14px;
  color: var(--text-dark);
  line-height: 1.6;
}

/* ============================================================
       FOOTER
    ============================================================ */
footer {
  background: var(--text-dark);
  color: rgba(255, 255, 255, 0.65);
  padding: 52px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.7;
  margin-bottom: 18px;
}

.social-links {
  display: flex;
  gap: 9px;
}

.social-link {
  width: 34px;
  height: 34px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: var(--transition);
  font-size: 14px;
}

.social-link:hover {
  background: var(--primary);
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  color: white;
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 9px;
}

.footer-col ul a {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  font-size: 13px;
  transition: var(--transition);
  cursor: pointer;
}

.footer-col ul a:hover {
  color: white;
}

.footer-bottom {
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
}

/* ============================================================
       SCROLL-TO-TOP & TOAST
    ============================================================ */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 42px;
  height: 42px;
  background: var(--gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  border: none;
}

.scroll-top.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.scroll-top:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--text-dark);
  color: white;
  padding: 11px 22px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  z-index: 5000;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

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

/* ============================================================
       RESPONSIVE
    ============================================================ */
@media (max-width: 1024px) {

  .grid-4,
  .stat-row,
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3,
  .spots-grid,
  .support-cards,
  .platform-cards,
  .address-info-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .gangnam-card {
    grid-template-columns: 1fr;
  }

  .platform-card.featured {
    transform: none;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .grid-3,
  .grid-2,
  .spots-grid,
  .support-cards,
  .platform-cards,
  .address-info-grid,
  .stat-row,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .search-row {
    flex-direction: column;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .hero {
    padding: 56px 20px 72px;
  }

  .section {
    padding: 56px 0;
  }

  .step-item::after {
    display: none;
  }

  .compare-table th,
  .compare-table td {
    padding: 11px 14px;
  }
}

@media (max-width: 480px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .address-search {
    padding: 20px;
    margin-top: -28px;
  }

  .form-card {
    padding: 22px;
  }

  .platform-cards {
    grid-template-columns: 1fr;
  }
}