/* ==========================================================================
   고덕국제신도시 수자인 & 풍경채 - Premium Landing Page Stylesheet
   ========================================================================== */

/* 1. Global CSS Reset & Variables */
:root {
  --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  --bg-dark: #070e17;
  --bg-card: #0e1b2e;
  --bg-card-hover: #152742;
  --bg-glass: rgba(14, 27, 46, 0.85);
  
  --primary-gold: #D4AF37;
  --primary-gold-hover: #e5bf47;
  --gold-gradient: linear-gradient(135deg, #F3E5AB 0%, #D4AF37 50%, #AA7C11 100%);
  --gold-glow: rgba(212, 175, 55, 0.35);
  
  --text-main: #FFFFFF;
  --text-sub: #CBD5E1;
  --text-muted: #94A3B8;

  --border-gold: rgba(212, 175, 55, 0.25);
  --border-light: rgba(255, 255, 255, 0.1);

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

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-gold: 0 8px 30px rgba(212, 175, 55, 0.2);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-family);
  -webkit-font-smoothing: antialiased;
}

body {
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* 2. Utility Classes */
.gold-text {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  font-weight: 700;
}

.gold-link {
  color: var(--primary-gold);
  text-decoration: underline;
}

.gold-bg {
  background: rgba(212, 175, 55, 0.2) !important;
  color: var(--primary-gold) !important;
  padding: 2px 6px;
  border-radius: 4px;
}

.font-serif {
  font-family: 'Times New Roman', Georgia, serif;
  letter-spacing: -0.02em;
}

.section-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 100px 24px;
  position: relative;
  z-index: 2;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-badge {
  display: inline-block;
  font-size: 0.825rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--primary-gold);
  text-transform: uppercase;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--border-gold);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  line-height: 1.25;
}

.title-bar {
  width: 60px;
  height: 3px;
  background: var(--gold-gradient);
  margin: 0 auto 20px;
  border-radius: 2px;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--text-sub);
  max-width: 720px;
  margin: 0 auto;
  word-break: keep-all;
}

/* 3. Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(7, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition-normal);
}

.header.scrolled {
  background: rgba(7, 14, 23, 0.95);
  border-bottom-color: var(--border-gold);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.header-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-sub);
  transition: var(--transition-fast);
  position: relative;
  padding: 4px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-gold);
}

.nav-link.highlight-menu {
  color: var(--primary-gold);
  font-weight: 700;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.phone-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--gold-gradient);
  color: #070e17;
  font-weight: 700;
  font-size: 0.925rem;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-gold);
  transition: var(--transition-fast);
}

.phone-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(212, 175, 55, 0.4);
}

.phone-icon {
  width: 18px;
  height: 18px;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1100;
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* Mobile Overlay Menu */
.mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(7, 14, 23, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-normal);
}

.mobile-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  margin-bottom: 40px;
}

.mobile-link {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-sub);
}

.mobile-link:hover {
  color: var(--primary-gold);
}

.mobile-call-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--gold-gradient);
  color: #070e17;
  font-weight: 700;
  padding: 16px;
  border-radius: var(--radius-md);
  font-size: 1.1rem;
}

/* 4. Hero Section */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 24px 80px;
  background-color: #060b12;
  overflow: hidden;
}

.hero-bg-slider {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-placeholder-art {
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 30%, rgba(212, 175, 55, 0.15) 0%, rgba(14, 27, 46, 0.9) 70%);
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 14, 23, 0.7) 0%, rgba(7, 14, 23, 0.92) 100%);
}

.centered-hero {
  max-width: 900px;
  width: 100%;
  position: relative;
  z-index: 2;
}

.hero-text-center {
  text-align: center;
}

.hero-badge-glow {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-gold);
  background: rgba(212, 175, 55, 0.12);
  border: 1px solid var(--border-gold);
  padding: 8px 24px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
  box-shadow: 0 0 20px var(--gold-glow);
}

.hero-title-main {
  font-size: 3.25rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-slogan-sub {
  font-size: 1.35rem;
  color: var(--text-sub);
  margin-bottom: 32px;
  line-height: 1.5;
  word-break: keep-all;
}

.hero-highlights-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
}

.highlight-pill {
  background: rgba(14, 27, 46, 0.8);
  border: 1px solid var(--border-gold);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--text-main);
  backdrop-filter: blur(8px);
}

/* Hero Questions Card */
.hero-questions-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin: 0 auto 36px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
  text-align: left;
}

.card-header {
  text-align: center;
  margin-bottom: 24px;
}

.phone-icon-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.15);
  color: var(--primary-gold);
  margin-bottom: 12px;
}

.overlay-phone-svg {
  width: 24px;
  height: 24px;
}

.card-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.card-header p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.card-questions-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hero-question-action-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  font-size: 0.975rem;
  color: var(--text-sub);
  transition: var(--transition-fast);
}

.hero-question-action-btn:hover {
  background: rgba(212, 175, 55, 0.1);
  border-color: var(--primary-gold);
  color: var(--primary-gold);
  transform: translateX(4px);
}

.hero-question-action-btn .bullet {
  color: var(--primary-gold);
  font-weight: 700;
}

.hero-cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: var(--radius-md);
  font-size: 1.05rem;
  font-weight: 700;
  transition: var(--transition-fast);
}

.btn-cta-gold {
  background: var(--gold-gradient);
  color: #070e17;
  box-shadow: var(--shadow-gold);
}

.btn-cta-gold:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(212, 175, 55, 0.5);
}

.btn-cta-white {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
}

.btn-cta-white:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

.cta-phone-icon {
  width: 20px;
  height: 20px;
}

/* 5. Overview Section */
.overview-section {
  background: #091321;
}

.overview-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 36px;
  align-items: start;
}

.overview-tab-buttons {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.overview-tab-btn {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-sub);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.overview-tab-btn.active, .overview-tab-btn:hover {
  background: rgba(212, 175, 55, 0.15);
  border-color: var(--primary-gold);
  color: var(--primary-gold);
}

.overview-table-wrapper {
  display: none;
}

.overview-table-wrapper.active {
  display: block;
}

.overview-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.overview-table th, .overview-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.95rem;
}

.overview-table tr:last-child th, .overview-table tr:last-child td {
  border-bottom: none;
}

.overview-table th {
  width: 32%;
  background: rgba(255, 255, 255, 0.03);
  color: var(--primary-gold);
  font-weight: 700;
  text-align: left;
}

.overview-table td {
  color: var(--text-sub);
}

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

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition-fast);
}

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

.stat-num {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--primary-gold);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-num .unit {
  font-size: 1.25rem;
  font-weight: 700;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* 6. Premium 6 Section */
.premium-section {
  background: #060b12;
}

.premium-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.premium-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition-fast);
}

.premium-card:hover {
  border-color: var(--primary-gold);
  transform: translateY(-6px);
  box-shadow: var(--shadow-gold);
}

.card-icon-container {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(212, 175, 55, 0.12);
  color: var(--primary-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.card-icon {
  width: 26px;
  height: 26px;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-main);
}

.card-desc {
  font-size: 0.95rem;
  color: var(--text-sub);
  line-height: 1.6;
}

/* Interactive Map Gallery */
.map-gallery-section {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
}

.gallery-header {
  text-align: center;
  margin-bottom: 28px;
}

.gallery-header h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.gallery-header p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.map-gallery-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 32px;
}

.map-tab-trigger {
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  color: var(--text-sub);
  font-weight: 600;
  transition: var(--transition-fast);
}

.map-tab-trigger.active, .map-tab-trigger:hover {
  background: var(--gold-gradient);
  color: #070e17;
  font-weight: 700;
  box-shadow: var(--shadow-gold);
}

.map-content {
  display: none;
}

.map-content.active {
  display: block;
}

.map-visual-placeholder {
  width: 100%;
  height: 380px;
  background: #091424;
  border-radius: var(--radius-md);
  border: 1px dashed var(--border-gold);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-art-graphic {
  width: 100%;
  height: 100%;
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
}

.map-pin {
  background: rgba(212, 175, 55, 0.15);
  border: 1px solid var(--primary-gold);
  color: var(--primary-gold);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
}

.map-pin.pin-site {
  background: var(--gold-gradient);
  color: #070e17;
  font-size: 1.1rem;
}

.gallery-map-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 7. Units & Plan Section */
.units-section {
  background: #091321;
}

.tabs-list {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.tab-trigger {
  padding: 14px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--text-sub);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition-fast);
}

.tab-trigger.active, .tab-trigger:hover {
  background: rgba(212, 175, 55, 0.15);
  border-color: var(--primary-gold);
  color: var(--primary-gold);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.unit-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 40px;
  align-items: center;
}

.visual-placeholder {
  min-height: 380px;
  background: #060d17;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.plan-card-art {
  text-align: center;
}

.plan-badge {
  display: inline-block;
  background: rgba(212, 175, 55, 0.2);
  color: var(--primary-gold);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.plan-badge.gold { background: #D4AF37; color: #070e17; }
.plan-badge.purple { background: #8B5CF6; color: #FFF; }

.plan-card-art h4 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.plan-tags {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.plan-tags span {
  font-size: 0.8rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-light);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.visual-loaded-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.unit-info h3 {
  font-size: 1.65rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.unit-intro {
  font-size: 1rem;
  color: var(--text-sub);
  margin-bottom: 24px;
}

.spec-list {
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 24px;
}

.spec-list li {
  font-size: 0.95rem;
  padding: 6px 0;
  color: var(--text-sub);

}

.spec-list mark {
  background: var(--gold-gradient);
  color: #070e17;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 4px;
}

.unit-features h4 {
  font-size: 1rem;
  color: var(--primary-gold);
  margin-bottom: 8px;
}

.unit-features p {
  font-size: 0.925rem;
  color: var(--text-muted);
}

/* 8. Development & Vision Section */
.development-section {
  background: #060b12;
}

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

.dev-card-box {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition-fast);
}

.dev-card-box:hover {
  border-color: var(--primary-gold);
  transform: translateY(-6px);
}

.dev-tag {
  display: inline-block;
  font-size: 0.775rem;
  font-weight: 700;
  color: var(--primary-gold);
  background: rgba(212, 175, 55, 0.1);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.dev-card-box h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.dev-card-box p {
  font-size: 0.95rem;
  color: var(--text-sub);
  line-height: 1.6;
}

/* 9. Strategy & Landscaping */
.strategy-section {
  background: #091321;
}

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

.strategy-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
}

.str-badge {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-gold);
  margin-bottom: 12px;
}

.strategy-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.strategy-card p {
  font-size: 0.925rem;
  color: var(--text-sub);
}

/* 10. Community Section */
.community-section {
  background: #060b12;
}

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

.community-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  gap: 20px;
  align-items: start;
}

.comm-icon {
  font-size: 2.2rem;
  line-height: 1;
}

.comm-info h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.comm-info p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* 11. FAQ Section */
.faq-section {
  background: #091321;
}

.faq-accordion-wrapper {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  text-align: left;
}

.faq-toggle {
  font-size: 1.5rem;
  color: var(--primary-gold);
  transition: var(--transition-fast);
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 24px 20px;
  font-size: 0.95rem;
  color: var(--text-sub);
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  display: block;
}

/* 12. Contact Form Section */
.contact-section {
  position: relative;
  background: #050a10;
  padding: 100px 24px;
  overflow: hidden;
}

.contact-bg-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--gold-glow) 0%, transparent 70%);
  pointer-events: none;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.contact-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin: 16px 0;
  line-height: 1.25;
}

.contact-desc {
  font-size: 1.05rem;
  color: var(--text-sub);
  margin-bottom: 32px;
}

.contact-tel-box {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: 24px;
}

.contact-tel-box p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.tel-number {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--primary-gold);
  letter-spacing: -0.02em;
}

.contact-form-panel {
  background: var(--bg-glass);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
}

.form-row {
  margin-bottom: 20px;
}

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

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-sub);
  margin-bottom: 8px;
}

.form-group .required {
  color: #EF4444;
}

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  transition: var(--transition-fast);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary-gold);
  background: rgba(212, 175, 55, 0.05);
  box-shadow: 0 0 10px var(--gold-glow);
}

.funnel-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.funnel-chip {
  cursor: pointer;
}

.funnel-chip input {
  display: none;
}

.funnel-chip span {
  display: inline-block;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--text-sub);
  transition: var(--transition-fast);
}

.funnel-chip input:checked + span {
  background: var(--gold-gradient);
  color: #070e17;
  font-weight: 700;
  border-color: var(--primary-gold);
}

.privacy-group {
  margin-top: 24px;
}

.privacy-text-box {
  max-height: 80px;
  overflow-y: auto;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-light);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.775rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.privacy-agree {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-sub);
  cursor: pointer;
}

.btn-submit {
  width: 100%;
  padding: 18px;
  background: var(--gold-gradient);
  color: #070e17;
  font-size: 1.1rem;
  font-weight: 800;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-gold);
  margin-top: 12px;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(212, 175, 55, 0.5);
}

/* 13. Footer */
.footer {
  background: #03070d;
  border-top: 1px solid var(--border-light);
  padding: 60px 24px 100px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.footer-brand h2 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
}

.brand-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-sub);
}

.footer-links a:hover {
  color: var(--primary-gold);
}

.footer-divider {
  border: none;
  height: 1px;
  background: var(--border-light);
  margin-bottom: 32px;
}

.footer-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;

}

.footer-info .disclaimer {
  margin-top: 16px;
  font-size: 0.775rem;
  line-height: 1.5;
  color: #64748B;
}

.footer-copy {
  margin-top: 24px;
  font-size: 0.8rem;
  color: #475569;
}

/* 14. Mobile Sticky Bar */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(7, 14, 23, 0.95);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-gold);
  z-index: 900;
}

.sticky-call {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gold-gradient);
  color: #070e17;
  font-weight: 800;
  font-size: 0.95rem;
}

.sticky-reg {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  font-weight: 700;
  font-size: 0.95rem;
}

.phone-icon-sm {
  width: 18px;
  height: 18px;
}

/* 15. Toast & Top Button */
.toast-container {
  position: fixed;
  bottom: 90px;
  right: 24px;
  z-index: 2000;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--primary-gold);
  color: var(--text-main);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  margin-top: 10px;
  animation: slideIn 0.3s forwards, fadeOut 0.5s 3.5s forwards;
}

.top-btn {
  position: fixed;
  bottom: 85px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(14, 27, 46, 0.9);
  border: 1px solid var(--border-gold);
  color: var(--primary-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-fast);
  z-index: 890;
}

.top-btn.visible {
  opacity: 1;
  pointer-events: auto;
}

.top-icon {
  width: 22px;
  height: 22px;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* 16. Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-title-main { font-size: 2.5rem; }
  .overview-grid { grid-template-columns: 1fr; }
  .premium-grid, .dev-cards-grid, .strategy-grid, .community-grid { grid-template-columns: repeat(2, 1fr); }
  .unit-layout { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-menu, .header-consult-btn { display: none; }
  .mobile-menu-btn { display: flex; }
  .hero-title-main { font-size: 2rem; }
  .hero-slogan-sub { font-size: 1.1rem; }
  .premium-grid, .dev-cards-grid, .strategy-grid, .community-grid { grid-template-columns: 1fr; }
  .mobile-sticky-bar { display: flex; }
  .footer-links { display: none; }
  .form-row.grid-2 { grid-template-columns: 1fr; }
  .contact-form-panel { padding: 24px; }
  .top-btn { bottom: 80px; right: 16px; }
}