/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Pretendard:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;600;800;900&family=Inter:wght@400;600;800&display=swap');

:root {
  /* Clean High-End Tech Palette ("Purple Cow" Edition) */
  --bg-color: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-alt: #F1F5F9;
  --bg-glass: rgba(255, 255, 255, 0.9);
  
  --text-primary: #0F172A; /* Deep Slate Navy */
  --text-secondary: #334155;
  --text-muted: #64748B;
  
  --primary-color: #0284C7; /* Smart Clean Aqua Blue */
  --primary-light: #E0F2FE;
  --primary-glow: rgba(2, 132, 199, 0.25);
  
  --purple-cow: #7C3AED; /* Purple Cow Accent */
  --purple-light: #EDE9FE;
  --purple-glow: rgba(124, 58, 237, 0.28);
  
  --emerald-tech: #059669; /* Eco Emerald Green */
  --emerald-light: #D1FAE5;
  
  --border-color: #E2E8F0;
  --border-highlight: rgba(2, 132, 199, 0.3);
  
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 25px -3px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 40px -5px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 15px 35px rgba(124, 58, 237, 0.15);
  
  --font-main: 'Pretendard', 'Inter', -apple-system, sans-serif;
  --font-heading: 'Outfit', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  word-break: keep-all;
}

h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.45rem);
  margin-bottom: 1rem;
  word-break: keep-all;
}

.text-gradient {
  background: linear-gradient(135deg, #0284C7 0%, #059669 50%, #7C3AED 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.purple-gradient {
  background: linear-gradient(135deg, #7C3AED 0%, #2563EB 50%, #0284C7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 0.75rem 3.5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  transition: all 0.3s ease;
}

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

.logo-shield-box {
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-shield-logo {
  height: 50px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 3px 8px rgba(15, 23, 42, 0.2));
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.logo-container:hover .header-shield-logo {
  transform: scale(1.08) translateY(-1px);
}

.logo-divider {
  width: 2px;
  height: 38px;
  background: var(--border-color);
}

.logo-text-group {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  line-height: 1.15;
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-title span {
  color: var(--primary-color);
}

.brand-sub {
  font-size: 0.76rem;
  font-weight: 800;
  color: var(--purple-cow);
  letter-spacing: 0.5px;
}

/* Hero Shield Pill Branding */
.hero-brand-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.4rem;
}

.hero-shield-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 9999px;
  padding: 6px 18px 6px 10px;
  box-shadow: 0 8px 24px rgba(2, 132, 199, 0.15);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hero-shield-pill:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(2, 132, 199, 0.25);
  border-color: rgba(56, 189, 248, 0.5);
}

.hero-shield-icon {
  height: 44px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(56, 189, 248, 0.4));
}

.hero-shield-info {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.hero-shield-brand {
  font-size: 1.05rem;
  font-weight: 900;
  color: #FFFFFF;
  letter-spacing: -0.3px;
  line-height: 1.2;
}

.hero-shield-desc {
  font-size: 0.75rem;
  font-weight: 700;
  color: #38BDF8;
  letter-spacing: 0.2px;
}

/* Footer Shield Logo */
.footer-brand-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 1.2rem;
}

.footer-shield-logo {
  height: 62px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(2, 132, 199, 0.35));
  transition: transform 0.2s ease;
}

.footer-shield-logo:hover {
  transform: scale(1.06);
}

nav ul {
  display: flex;
  gap: 1.25rem;
  list-style: none;
}

nav a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 600;
  white-space: nowrap;
  transition: color 0.2s ease;
  position: relative;
}

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

nav a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary-color);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, #0369A1 100%);
  color: #FFFFFF;
  padding: 0.6rem 1.1rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px var(--primary-glow);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--primary-glow);
  filter: brightness(1.05);
}

.btn-purple {
  background: linear-gradient(135deg, var(--purple-cow) 0%, #6D28D9 100%);
  color: #FFFFFF;
  padding: 0.75rem 1.6rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px var(--purple-glow);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-purple:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px var(--purple-glow);
  filter: brightness(1.08);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-secondary:hover {
  background: var(--bg-surface-alt);
  border-color: #CBD5E1;
  transform: translateY(-1px);
}

.btn-spoindo {
  background: linear-gradient(135deg, #0284C7 0%, #0369A1 100%);
  color: #FFFFFF;
  padding: 0.65rem 1.2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.2s ease;
  box-shadow: 0 2px 10px rgba(2, 132, 199, 0.3);
}

.btn-spoindo:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(2, 132, 199, 0.45);
}

/* Badges */
.badge-purple {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.4rem 0.9rem;
  background: var(--purple-light);
  color: var(--purple-cow);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 30px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 1.2rem;
}

.badge-blue {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.4rem 0.9rem;
  background: var(--primary-light);
  color: var(--primary-color);
  border: 1px solid rgba(2, 132, 199, 0.2);
  border-radius: 30px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 1.2rem;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Hero Section */
.hero {
  padding: 8rem 0 5rem 0;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #EFF6FF 0%, #F8FAFC 100%);
}

.hero-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  letter-spacing: -1px;
  margin-bottom: 1rem;
}

.hero-content .subtitle {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--purple-cow);
  margin-bottom: 1rem;
}

.hero-content .desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card {
  background: var(--bg-surface);
  border-radius: 20px;
  padding: 1.2rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  width: 100%;
  position: relative;
  max-width: 480px;
  margin: 0 auto;
}

.hero-card img {
  width: 100%;
  height: 440px;
  object-fit: contain;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-radius: 14px;
  display: block;
  padding: 1.2rem;
  border: 1px solid rgba(226, 232, 240, 0.9);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-card:hover img {
  transform: scale(1.02);
}

.hero-card-badge {
  position: absolute;
  top: 2rem;
  right: 2rem;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 700;
}

/* Stats Section */
.stats {
  padding: 3rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item h3 {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--primary-color);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-item h3 span {
  font-size: 1.8rem;
}

.stat-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
}

/* Showcase Section (Video & 3D Interactive) */
.showcase-section {
  padding: 5rem 0;
  background: #F1F5F9;
}

.showcase-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 2.5rem auto;
}

.showcase-tabs {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  margin-bottom: 2rem;
}

.tab-btn {
  padding: 0.75rem 1.6rem;
  border-radius: 30px;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.tab-btn.active {
  background: var(--purple-cow);
  color: #fff;
  border-color: var(--purple-cow);
  box-shadow: 0 4px 14px var(--purple-glow);
}

.tab-content {
  display: none;
}

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

.showcase-frame {
  max-width: 900px;
  margin: 0 auto;
  background: #0F172A;
  border-radius: 20px;
  padding: 12px;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
  border: 1px solid #334155;
}

.showcase-inner {
  border-radius: 14px;
  overflow: hidden;
  position: relative;
  background: #000;
}

.showcase-inner video {
  width: 100%;
  height: auto;
  display: block;
  max-height: 520px;
  object-fit: contain;
}

.showcase-inner iframe {
  width: 100%;
  height: 520px;
  border: none;
  display: block;
}

/* Core Features / Purple Cow Points */
.features-section {
  padding: 5rem 0;
  background: var(--bg-surface);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.2rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.4rem;
}

.feature-card.highlight {
  background: linear-gradient(180deg, #FAF5FF 0%, #FFFFFF 100%);
  border-color: rgba(124, 58, 237, 0.3);
}

.feature-card.highlight .feature-icon {
  background: var(--purple-light);
  color: var(--purple-cow);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.8rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* Specs Section (2구 & 4구 규격표) */
.specs-section {
  padding: 5rem 0;
  background: var(--bg-color);
}

.specs-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 3rem auto;
}

.specs-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: start;
}

.specs-tabs {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.spec-tab-btn {
  padding: 0.65rem 1.4rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.spec-tab-btn.active {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
}

.table-wrapper {
  background: var(--bg-surface);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

table.spec-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

table.spec-table th {
  background: var(--bg-surface-alt);
  color: var(--text-primary);
  font-weight: 700;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--border-color);
}

table.spec-table td {
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

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

table.spec-table tr.highlight-row {
  background: #F0FDF4;
  font-weight: 700;
  color: #065F46;
}

.badge-core {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.74rem;
  font-weight: 800;
  background: #0284C7;
  color: #FFFFFF;
  letter-spacing: -0.2px;
}

.custom-order-bar {
  background: #F8FAFC;
  padding: 0.9rem 1.2rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.88rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.specs-preview-card {
  background: var(--bg-surface);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  padding: 1.8rem;
  box-shadow: var(--shadow-sm);
}

.specs-preview-card img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  margin-bottom: 1.2rem;
  border: 1px solid var(--border-color);
}

.specs-notes {
  background: var(--bg-surface-alt);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.specs-notes li {
  margin-left: 1.2rem;
  margin-bottom: 0.3rem;
}

/* Comparison Section (Before vs After) */
.comparison-section {
  padding: 5rem 0;
  background: var(--bg-surface);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
}

.comp-card {
  border-radius: 16px;
  padding: 2.2rem;
  border: 1px solid var(--border-color);
}

.comp-card.bad {
  background: #FFF1F2;
  border-color: #FECDD3;
}

.comp-card.good {
  background: #F0FDF4;
  border-color: #BBF7D0;
  box-shadow: 0 10px 25px rgba(5, 150, 105, 0.08);
}

.comp-card h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.35rem;
  margin-bottom: 1.2rem;
}

.comp-card.bad h3 {
  color: #E11D48;
}

.comp-card.good h3 {
  color: #059669;
}

.comp-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.comp-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  line-height: 1.5;
}

.comp-list.bad li {
  color: #9F1239;
}

.comp-list.good li {
  color: #065F46;
}

/* Certification / Gallery Section */
.cert-section {
  padding: 5rem 0;
  background: var(--bg-color);
}

/* Rights & Entity Relationship Card */
.rights-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: 3.5rem;
}

.rights-header {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  padding: 1.5rem 2rem;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.rights-badge {
  background: var(--purple-cow);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 6px;
  letter-spacing: 0.5px;
}

.rights-header h3 {
  font-size: 1.25rem;
  color: #fff;
}

.rights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-bottom: 1px solid var(--border-color);
}

.rights-col {
  padding: 2rem;
  border-right: 1px solid var(--border-color);
  background: #fff;
}

.rights-col:last-child {
  border-right: none;
}

.rights-col.highlight {
  background: #F8FAFC;
  position: relative;
  box-shadow: inset 0 0 0 2px var(--primary-color);
}

.rights-tag {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 6px;
  margin-bottom: 0.8rem;
}

.tag-patent { background: #FEF3C7; color: #92400E; }
.tag-control { background: #E0F2FE; color: #0369A1; }
.tag-factory { background: #DCFCE7; color: #166534; }

.rights-col h4 {
  font-size: 1.15rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.rights-col p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.rights-footer {
  background: #F1F5F9;
  padding: 1rem 2rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  display: flex;
  align-items: center;
  gap: 8px;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.cert-card {
  background: var(--bg-surface);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  padding: 1.2rem;
  text-align: center;
  transition: all 0.25s ease;
  cursor: pointer;
}

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

.cert-card img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  margin-bottom: 0.8rem;
  background: #fff;
  border-radius: 6px;
}

.cert-card h4 {
  font-size: 0.92rem;
  margin-bottom: 0.3rem;
}

.cert-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Modal for Cert Viewer & Contact */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(8px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background: var(--bg-surface);
  border-radius: 18px;
  max-width: 600px;
  width: 100%;
  padding: 2.2rem;
  position: relative;
  box-shadow: var(--shadow-lg);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-box.wide {
  max-width: 850px;
}

.modal-close {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
}

.modal-close:hover {
  color: var(--text-primary);
}

/* Form */
.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--bg-surface-alt);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  background: #fff;
}

/* CTA Banner Section */
.cta-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #fff;
  text-align: center;
  position: relative;
}

.cta-section h2 {
  color: #fff;
  margin-bottom: 1rem;
}

.cta-section p {
  color: #94A3B8;
  font-size: 1.15rem;
  max-width: 700px;
  margin: 0 auto 2.5rem auto;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Footer */
footer {
  background: #0B1120;
  color: #94A3B8;
  padding: 4rem 0 2rem 0;
  border-top: 1px solid #1E293B;
  font-size: 0.88rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 1.2rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col a {
  color: #94A3B8;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #1E293B;
  color: #64748B;
  font-size: 0.82rem;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .specs-container {
    grid-template-columns: 1fr;
  }
  
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .rights-grid {
    grid-template-columns: 1fr;
  }

  .rights-col {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  nav {
    display: none; /* Can add hamburger menu or keep header actions */
  }
}

@media (max-width: 576px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .cert-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .showcase-tabs {
    flex-direction: column;
    align-items: center;
  }
}

/* --- Clean Official Comparison Table & Visual Showcase Enhancements --- */
.comp-table-wrapper {
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  box-shadow: var(--shadow-sm);
  margin-top: 1.2rem;
}

.comp-table-native {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.comp-table-native thead th {
  background: #f8fafc;
  padding: 1rem 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  border-bottom: 2px solid var(--border-color);
  white-space: nowrap;
}

.comp-table-native thead th.col-bad {
  color: #dc2626;
}

.comp-table-native thead th.col-good {
  color: var(--primary-color);
  background: #f0f9ff;
}

.comp-table-native tbody td {
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
  line-height: 1.5;
}

.comp-table-native tbody tr:hover {
  background: #f8fafc;
}

.comp-table-native tbody tr:last-child td {
  border-bottom: none;
}

.comp-table-native td.td-good {
  background: #f8fafc;
  color: #0369a1;
  font-weight: 600;
}

.comp-table-native td.td-bad {
  color: #64748b;
}

.badge-winner {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #e0f2fe;
  color: #0369a1;
  font-size: 0.76rem;
  padding: 2px 7px;
  border-radius: 4px;
  font-weight: 700;
  margin-left: 6px;
}

.badge-defect {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #fee2e2;
  color: #b91c1c;
  font-size: 0.76rem;
  padding: 2px 7px;
  border-radius: 4px;
  font-weight: 600;
}

.specs-gallery-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.specs-gallery-btn {
  padding: 6px 14px;
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: var(--bg-surface-alt);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.specs-gallery-btn.active {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
}