@charset "UTF-8";
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  --primary-blue: #0056e0;
  --primary-dark: #092042;
  --primary-navy: #051329;
  --primary-light: #eaf2ff;
  --primary-hover: #0044b3;
  --accent-cyan: #00d2ff;
  --accent-blue: #2563eb;
  --accent-glow: rgba(0, 210, 255, 0.35);
  --accent-orange: #ff6b00;
  
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --bg-alt: #f0f5fc;
  --bg-dark-card: rgba(15, 30, 58, 0.85);
  
  --text-title: #0a192f;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-white: #ffffff;
  
  --border-light: #e2e8f0;
  --border-blue: #c7dcfb;
  --border-focus: #3b82f6;
  
  --shadow-sm: 0 2px 8px rgba(0, 32, 96, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 32, 96, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 32, 96, 0.12);
  --shadow-xl: 0 24px 60px rgba(0, 32, 96, 0.16);
  --shadow-glow: 0 0 25px rgba(0, 102, 255, 0.25);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --font-main: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
  --font-en: 'Outfit', sans-serif;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-body);
  color: var(--text-body);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
  background: none;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography Utility */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--primary-light);
  color: var(--primary-blue);
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
  border: 1px solid var(--border-blue);
}

.section-tag.light {
  background: rgba(255, 255, 255, 0.12);
  color: var(--accent-cyan);
  border-color: rgba(0, 210, 255, 0.3);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-title);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.section-title.light {
  color: var(--text-white);
}

.section-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 48px;
  line-height: 1.7;
}

.section-desc.light {
  color: var(--text-light);
}

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

.text-center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

.highlight-blue {
  color: var(--primary-blue);
  position: relative;
}

.highlight-cyan {
  color: var(--accent-cyan);
  text-shadow: 0 0 15px rgba(0, 210, 255, 0.5);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-blue) 0%, #0042b3 100%);
  color: var(--text-white);
  box-shadow: 0 6px 20px rgba(0, 86, 224, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 86, 224, 0.45);
  background: linear-gradient(135deg, #1a6cf0 0%, var(--primary-blue) 100%);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--primary-blue);
  border: 1px solid var(--border-blue);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--primary-light);
  border-color: var(--primary-blue);
  transform: translateY(-2px);
}

.btn-white {
  background: #ffffff;
  color: var(--primary-dark);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.btn-white:hover {
  background: #f0f7ff;
  color: var(--primary-blue);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: var(--text-white);
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(4px);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #ffffff;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
}

/* ========================================================
   Header & Navigation
======================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(0, 40, 100, 0.08);
}

.header-top {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.22rem; /* 1.5x of original 0.8125rem */
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-top-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.top-contacts {
  display: flex;
  align-items: center;
  gap: 28px;
}

.top-contacts a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.22rem; /* 1.5배 글자 크기 */
  font-weight: 600;
}

.top-contacts a.top-hotline {
  color: var(--accent-cyan);
  font-size: 1.25rem; /* 1.5배 글자 크기 */
  font-weight: 700;
  display: inline-flex;
  align-items: center;
}

.top-contacts a.top-hotline strong {
  font-size: 1.35rem; /* 전화번호 강조 */
  color: #ffffff;
  background: rgba(0, 210, 255, 0.16);
  padding: 2px 10px;
  border-radius: 6px;
  border: 1px solid rgba(0, 210, 255, 0.35);
  margin-left: 6px;
  letter-spacing: 0.5px;
  text-shadow: 0 0 10px rgba(0, 210, 255, 0.4);
}

.top-contacts a:hover {
  color: var(--accent-cyan);
}

.top-badges {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 1.05rem;
}

.status-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #34d399;
  font-weight: 600;
}

.status-dot {
  width: 9px;
  height: 9px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10b981;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.header-nav {
  padding: 13px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
}

.brand-logo-img {
  height: 68px; /* 1.5배 확대 (기존 45px) */
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 3px 8px rgba(0, 50, 120, 0.12));
  transition: var(--transition);
}

.brand-logo:hover .brand-logo-img {
  transform: scale(1.04);
}

.footer-logo-img {
  height: 52px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand-name {
  font-size: 1.88rem; /* 0.8배 축소 (기존 2.35rem) */
  font-weight: 900;
  color: var(--primary-dark);
  letter-spacing: -0.6px;
  line-height: 1.15;
}

.brand-sub {
  font-size: 0.78rem; /* 0.8배 축소 (기존 0.95rem) */
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 1.2px;
  font-family: var(--font-en);
  margin-top: 1px;
}

.gnb-menu {
  display: flex;
  align-items: center;
  gap: 52px; /* 메뉴 항목 간격 넓게 확장 */
}

.gnb-menu li a {
  font-size: 1.24rem; /* 약 10% 확대 (기존 1.125rem) */
  font-weight: 700;
  color: var(--text-title);
  padding: 8px 4px;
  position: relative;
  letter-spacing: -0.2px;
}

.gnb-menu li a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--primary-blue);
  transition: var(--transition);
  border-radius: 2px;
}

.gnb-menu li a:hover,
.gnb-menu li a.active {
  color: var(--primary-blue);
}

.gnb-menu li a:hover::after,
.gnb-menu li a.active::after {
  width: 100%;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background-color: var(--primary-dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ========================================================
   Hero Section
======================================================== */
.hero-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 175px 0 90px;
  background: linear-gradient(135deg, #051329 0%, #092042 50%, #0a2f64 100%);
  color: var(--text-white);
  overflow: hidden;
}

.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../assets/images/hero_bg.jpg');
  background-size: cover;
  background-position: center right;
  opacity: 0.40;
  filter: contrast(1.15) brightness(0.9);
}

.hero-grid-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0, 102, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 102, 255, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.hero-glow-circle {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 210, 255, 0.2) 0%, rgba(0, 86, 224, 0.05) 50%, transparent 70%);
  filter: blur(60px);
  top: 10%;
  right: 5%;
  pointer-events: none;
  animation: float-glow 8s ease-in-out infinite alternate;
}

@keyframes float-glow {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(-40px) scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.hero-badge-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 210, 255, 0.12);
  border: 1px solid rgba(0, 210, 255, 0.35);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

.hero-title {
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: #ffffff;
}

.hero-title span {
  display: block;
}

.hero-description {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 680px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 60px;
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-stat-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.hero-stat-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
}

.hero-stat-number {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-en);
  color: var(--accent-cyan);
  line-height: 1.1;
  margin-bottom: 4px;
}

.hero-stat-label {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}

/* ========================================================
   Quick Navigation Cards Banner
======================================================== */
.quick-pillars {
  position: relative;
  margin-top: -50px;
  z-index: 10;
  margin-bottom: 80px;
}

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

.pillar-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-blue), var(--accent-cyan));
  opacity: 0;
  transition: var(--transition);
}

.pillar-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-blue);
}

.pillar-card:hover::before {
  opacity: 1;
}

.pillar-icon-box {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
  transition: var(--transition);
}

.pillar-card:hover .pillar-icon-box {
  background: var(--primary-blue);
  color: #ffffff;
  transform: scale(1.08);
}

.pillar-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 8px;
}

.pillar-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 18px;
}

.pillar-link {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary-blue);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.pillar-link:hover {
  gap: 10px;
}

/* ========================================================
   Core Business Section (4 Pillars Detail)
======================================================== */
.services-section {
  padding: 100px 0;
  background: #ffffff;
}

.service-tabs-nav {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.service-tab-btn {
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-body);
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.service-tab-btn:hover {
  background: var(--primary-light);
  color: var(--primary-blue);
  border-color: var(--border-blue);
}

.service-tab-btn.active {
  background: var(--primary-blue);
  color: #ffffff;
  border-color: var(--primary-blue);
  box-shadow: 0 6px 20px rgba(0, 86, 224, 0.3);
}

.service-tab-pane {
  display: none;
  animation: fadeIn 0.4s ease-in-out;
}

.service-tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.service-detail-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  padding: 48px;
  border: 1px solid var(--border-light);
}

.service-info h3 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-title);
  margin-bottom: 16px;
  line-height: 1.3;
}

.service-lead {
  font-size: 1.1rem;
  color: var(--primary-blue);
  font-weight: 600;
  margin-bottom: 20px;
}

.service-desc-text {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

.service-features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: #ffffff;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-item h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 2px;
}

.feature-item p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.service-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 3px solid #ffffff;
}

.service-image-wrapper img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.service-image-wrapper:hover img {
  transform: scale(1.04);
}

.service-spec-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: rgba(9, 32, 66, 0.88);
  backdrop-filter: blur(12px);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  color: #ffffff;
  display: flex;
  justify-content: space-around;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.spec-item {
  text-align: center;
}

.spec-value {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent-cyan);
  font-family: var(--font-en);
}

.spec-label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.75);
}

/* ========================================================
   Interactive Estimator & Cost Calculator
======================================================== */
.calculator-section {
  padding: 100px 0;
  background: linear-gradient(180deg, #092042 0%, #051329 100%);
  color: var(--text-white);
  position: relative;
  overflow: hidden;
}

.calculator-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 48px;
  backdrop-filter: blur(20px);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.4);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 40px;
}

.calc-steps {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.calc-step-group label.group-title {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--accent-cyan);
}

.calc-options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.calc-option {
  position: relative;
}

.calc-option input[type="radio"],
.calc-option input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.calc-option-label {
  display: flex;
  flex-direction: column;
  padding: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1.5px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}

.calc-option-label:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(0, 210, 255, 0.5);
}

.calc-option input:checked + .calc-option-label {
  background: rgba(0, 86, 224, 0.25);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 210, 255, 0.2);
}

.opt-name {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 4px;
}

.opt-desc {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
}

.calc-range-wrapper {
  background: rgba(255, 255, 255, 0.05);
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.range-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
}

.range-val {
  font-weight: 800;
  color: var(--accent-cyan);
  font-size: 1.2rem;
}

input[type="range"] {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  outline: none;
  -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-cyan);
  cursor: pointer;
  box-shadow: 0 0 12px var(--accent-cyan);
}

/* Calculator Summary Box */
.calc-summary-box {
  background: rgba(10, 25, 47, 0.9);
  border: 1px solid rgba(0, 210, 255, 0.3);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.3);
}

.summary-header h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.summary-header p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 24px;
}

.summary-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-bottom: 24px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.15);
  margin-bottom: 24px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
}

.summary-row .label {
  color: rgba(255, 255, 255, 0.7);
}

.summary-row .value {
  font-weight: 700;
  color: #ffffff;
}

.estimate-total-box {
  text-align: center;
  background: rgba(0, 86, 224, 0.15);
  border: 1px solid rgba(0, 210, 255, 0.25);
  padding: 20px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

.est-tag {
  font-size: 0.8125rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 4px;
}

.est-price {
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffffff;
  font-family: var(--font-en);
}

.est-price small {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

/* ========================================================
   Portfolio / Construction Cases
======================================================== */
.portfolio-section {
  padding: 100px 0;
  background: #ffffff;
}

.portfolio-filter-nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.port-filter-btn {
  padding: 10px 22px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--bg-alt);
  color: var(--text-muted);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.port-filter-btn:hover {
  background: var(--primary-light);
  color: var(--primary-blue);
}

.port-filter-btn.active {
  background: var(--primary-dark);
  color: #ffffff;
  border-color: var(--primary-dark);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.portfolio-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.portfolio-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-blue);
}

.port-thumb {
  position: relative;
  height: 230px;
  overflow: hidden;
}

.port-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-card:hover .port-thumb img {
  transform: scale(1.08);
}

.port-category-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(9, 32, 66, 0.85);
  backdrop-filter: blur(8px);
  color: var(--accent-cyan);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}

.port-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}

.port-body h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 8px;
  line-height: 1.4;
}

.port-body p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.port-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
  font-size: 0.8125rem;
  color: var(--text-light);
}

.port-meta span.date {
  font-family: var(--font-en);
}

/* ========================================================
   Step-by-Step Construction Process
======================================================== */
.process-section {
  padding: 100px 0;
  background: var(--bg-alt);
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 45px;
  left: 10%;
  width: 80%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-blue), var(--accent-cyan));
  z-index: 1;
}

.process-card {
  position: relative;
  z-index: 2;
  text-align: center;
  background: #ffffff;
  padding: 32px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

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

.process-step-num {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0 auto 20px;
  box-shadow: 0 6px 16px rgba(0, 86, 224, 0.35);
  border: 4px solid #ffffff;
}

.process-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 8px;
}

.process-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ========================================================
   Credentials & Certifications
======================================================== */
.credentials-section {
  padding: 100px 0;
  background: #ffffff;
}

.credentials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.credential-item {
  background: var(--bg-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
}

.credential-item:hover {
  background: #ffffff;
  border-color: var(--border-blue);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.credential-badge-icon {
  font-size: 2.2rem;
  color: var(--primary-blue);
  margin-bottom: 14px;
}

.credential-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 6px;
}

.credential-item p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ========================================================
   Consultation Inquiry & Location
======================================================== */
.contact-section {
  padding: 100px 0;
  background: var(--bg-alt);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info-card {
  background: linear-gradient(135deg, #092042 0%, #051329 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  color: #ffffff;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.info-header h3 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.info-header p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 36px;
}

.info-details {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.info-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.info-icon {
  width: 44px;
  height: 44px;
  background: rgba(0, 210, 255, 0.15);
  border: 1px solid rgba(0, 210, 255, 0.3);
  color: var(--accent-cyan);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.info-text h5 {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 2px;
  text-transform: uppercase;
}

.info-text p {
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
}

.info-text a {
  color: #ffffff;
}

.info-text a:hover {
  color: var(--accent-cyan);
}

.contact-form-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
}

.contact-form-card h3 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-title);
  margin-bottom: 8px;
}

.contact-form-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

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

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

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 8px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg-body);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--text-title);
  transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  background: #ffffff;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(0, 86, 224, 0.15);
}

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

.form-agreement {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* ========================================================
   Footer
======================================================== */
.site-footer {
  background: var(--primary-navy);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand .brand-name {
  color: #ffffff;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.65);
}

.footer-col h5 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--accent-cyan);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
  color: var(--accent-cyan);
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
}

.footer-legal-links {
  display: flex;
  gap: 18px;
}

.footer-legal-links a:hover {
  color: #ffffff;
}

/* ========================================================
   Floating Quick Action Dock
======================================================== */
.floating-dock {
  position: fixed;
  right: 24px;
  bottom: 30px;
  z-index: 990;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dock-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  color: #ffffff;
  font-size: 1.25rem;
  transition: var(--transition);
  position: relative;
}

.dock-call {
  background: #10b981;
}

.dock-call:hover {
  background: #059669;
  transform: scale(1.1);
}

.dock-estimate {
  background: var(--primary-blue);
}

.dock-estimate:hover {
  background: var(--primary-hover);
  transform: scale(1.1);
}

.dock-top {
  background: var(--primary-dark);
  border: 1px solid rgba(255, 255, 255, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
}

.dock-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dock-top:hover {
  background: #000000;
  transform: translateY(-3px);
}

.dock-tooltip {
  position: absolute;
  right: 64px;
  background: rgba(9, 32, 66, 0.9);
  color: #ffffff;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.dock-btn:hover .dock-tooltip {
  opacity: 1;
}

/* ========================================================
   Modal Dialogs & Toasts
======================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 19, 41, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  padding: 20px;
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
  position: relative;
  transform: scale(0.92);
  transition: var(--transition);
}

.modal-backdrop.open .modal-card {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-muted);
  cursor: pointer;
  z-index: 10;
}

.modal-close-btn:hover {
  background: #fee2e2;
  color: #ef4444;
}

.modal-content {
  padding: 40px;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: rgba(9, 32, 66, 0.95);
  color: #ffffff;
  padding: 14px 24px;
  border-radius: var(--radius-full);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  font-weight: 600;
  border: 1px solid rgba(0, 210, 255, 0.4);
  animation: slideUpToast 0.3s ease-out;
}

@keyframes slideUpToast {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========================================================
   Responsive Media Queries
======================================================== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.6rem;
  }
  .hero-stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .pillar-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-detail-grid {
    grid-template-columns: 1fr;
    padding: 32px;
  }
  .calc-grid {
    grid-template-columns: 1fr;
  }
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-timeline {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .process-timeline::before {
    display: none;
  }
  .credentials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header-top {
    display: none;
  }
  .brand-logo-img {
    height: 52px;
  }
  .brand-name {
    font-size: 1.4rem;
  }
  .brand-sub {
    font-size: 0.65rem;
  }
  .gnb-menu {
    position: fixed;
    top: 76px;
    left: 0;
    width: 100%;
    background: #ffffff;
    flex-direction: column;
    padding: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-150%);
    transition: var(--transition);
    border-bottom: 1px solid var(--border-light);
  }
  .gnb-menu.open {
    transform: translateY(0);
  }
  .mobile-toggle {
    display: flex;
  }
  .header-cta .btn {
    display: none;
  }
  .hero-title {
    font-size: 2.1rem;
  }
  .hero-stats-grid {
    grid-template-columns: 1fr;
  }
  .section-title {
    font-size: 2rem;
  }
  .pillar-cards {
    grid-template-columns: 1fr;
  }
  .calc-options-grid {
    grid-template-columns: 1fr;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .service-features-list {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .credentials-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}