/* ==========================================================================
   NDT SOFTWARE & DIGITAL SERVICE - FRESH & CLEAN LIGHT TECH DESIGN SYSTEM
   ========================================================================== */

:root {
  /* Fresh Light Tech Color Palette */
  --bg-main: #F8FAFC;
  --bg-alt: #F1F5F9;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FFFFFF;
  --bg-elevated: #FFFFFF;
  
  --border-color: #E2E8F0;
  --border-color-hover: #CBD5E1;
  --border-color-glow: rgba(2, 132, 199, 0.3);

  /* Tech Accents */
  --primary-cyan: #0284C7;       /* Ocean Sky Blue */
  --primary-blue: #2563EB;       /* Tech Blue */
  --accent-emerald: #059669;     /* Emerald Green */
  --accent-amber: #D97706;       /* Warm Amber */
  --accent-rose: #DC2626;        /* Bright Red */
  --accent-purple: #7C3AED;      /* Tech Purple */
  --accent-indigo: #4F46E5;      /* Tech Indigo for Advanced NDT */

  --gradient-main: linear-gradient(135deg, #0284C7 0%, #2563EB 100%);
  --gradient-soft: linear-gradient(135deg, #EFF6FF 0%, #F0F9FF 100%);
  --gradient-emerald: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);

  /* Text Colors */
  --text-main: #0F172A;
  --text-muted: #475569;
  --text-dim: #94A3B8;

  /* Typography */
  --font-main: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Noto Sans SC', sans-serif;

  /* Shadows & Layout */
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 25px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.08);
  --shadow-glow: 0 10px 30px rgba(2, 132, 199, 0.25);

  --container-width: 1280px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styling */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
  position: relative;
  font-family: var(--font-main);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  background-image: 
    radial-gradient(at 0% 0%, rgba(2, 132, 199, 0.05) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(37, 99, 235, 0.05) 0px, transparent 50%);
  background-attachment: fixed;
}

/* Background Ambient Elements */
.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}
.bg-glow-1 {
  width: 600px;
  height: 600px;
  background: rgba(56, 189, 248, 0.25);
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
}
.bg-glow-2 {
  width: 500px;
  height: 500px;
  background: rgba(16, 185, 129, 0.18);
  top: 1300px;
  right: -100px;
}

.container {
  max-width: var(--container-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
  box-sizing: border-box;
}

/* Typography Utilities */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--text-main);
  line-height: 1.25;
}

.gradient-text {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.glow-text {
  color: var(--primary-cyan);
}

.sub-title {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary-cyan);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 3rem auto;
}

.text-center { text-align: center; }
.text-cyan { color: var(--primary-cyan); }
.text-emerald { color: var(--accent-emerald); }
.text-amber { color: var(--accent-amber); }
.text-red { color: var(--accent-rose); }
.text-purple { color: var(--accent-purple); }
.text-blue { color: var(--primary-blue); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  touch-action: manipulation;
}

.btn-primary {
  background: var(--gradient-main);
  color: #FFFFFF;
  box-shadow: 0 4px 15px rgba(2, 132, 199, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(2, 132, 199, 0.45);
}

.btn-outline {
  background: #FFFFFF;
  border-color: var(--border-color);
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}
.btn-outline:hover {
  background: var(--bg-alt);
  border-color: var(--primary-cyan);
  color: var(--primary-cyan);
}

.btn-glass {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}
.btn-glass:hover {
  background: #F8FAFC;
  border-color: var(--primary-cyan);
  color: var(--primary-cyan);
}

.btn-lg {
  padding: 0.85rem 1.8rem;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 0.45rem 0.95rem;
  font-size: 0.82rem;
}

.shadow-glow {
  box-shadow: var(--shadow-glow);
}

/* Header & Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 76px;
  z-index: 1000;
  transition: var(--transition-normal);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  width: 100%;
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-main);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFF;
  font-size: 1.15rem;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.35);
  flex-shrink: 0;
}

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

.brand-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.5px;
  white-space: nowrap;
  line-height: 1.2;
}
.brand-name .highlight {
  color: var(--primary-cyan);
  font-weight: 600;
}

.brand-tag {
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
  line-height: 1.2;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  white-space: nowrap;
  flex-shrink: 1;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  transition: var(--transition-fast);
  line-height: 1;
  padding: 0.4rem 0;
}
.nav-link:hover, .nav-link.active {
  color: var(--primary-cyan);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 0.4rem;
}

/* Hero Section */
.hero-section {
  padding-top: 140px;
  padding-bottom: 80px;
  position: relative;
  width: 100%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  width: 100%;
}

.hero-content {
  max-width: 860px;
  width: 100%;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  background: #E0F2FE;
  border: 1px solid #BAE6FD;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary-cyan);
  margin-bottom: 1.5rem;
  max-width: 100%;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--primary-cyan);
  border-radius: 50%;
  flex-shrink: 0;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  margin-bottom: 0.75rem;
  letter-spacing: -1px;
  color: var(--text-main);
  word-break: break-word;
}

.hero-subtitle {
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2.25rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.hero-highlights {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-color);
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.highlight-item strong {
  color: var(--text-main);
}

/* Fluid SaaS Control Dashboard Preview Component */
.hero-preview {
  margin-top: 1rem;
  width: 100%;
}

.dashboard-preview-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 25px rgba(2, 132, 199, 0.08);
  width: 100%;
  padding: 1.5rem;
}

.dash-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.status-indicator.live {
  font-size: 0.8rem;
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  white-space: nowrap;
}

.dash-methods-scroll {
  display: flex;
  gap: 0.45rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.method-chip {
  padding: 0.35rem 0.75rem;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
  background: #F1F5F9;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}
.method-chip.active {
  background: #E0F2FE;
  color: var(--primary-cyan);
  border-color: #7DD3FC;
}
.method-chip.active-advanced {
  background: #F3E8FF;
  color: var(--accent-purple);
  border-color: #D8B4FE;
}

.dash-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.dash-stat {
  background: #F8FAFC;
  border: 1px solid var(--border-color);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
}
.dash-stat .lbl {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}
.dash-stat .val {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-main);
}
.dash-stat.success .val { color: var(--accent-emerald); }
.dash-stat.warning .val { color: var(--accent-amber); }
.dash-stat.info .val { color: var(--primary-cyan); }

/* Desktop Grid View */
.dash-desktop-view {
  display: block;
}

.mock-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  -webkit-overflow-scrolling: touch;
  width: 100%;
}

.mock-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  text-align: left;
}

.mock-table th {
  background: #F1F5F9;
  color: var(--text-muted);
  padding: 0.65rem 0.85rem;
  font-weight: 700;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.mock-table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  background: #FFFFFF;
  white-space: nowrap;
}

.mock-table tr.highlight-row td {
  background: #FEF3C7;
}

/* Mobile Native Card View Component (Auto activated on Mobile) */
.dash-mobile-cards {
  display: none;
  flex-direction: column;
  gap: 0.85rem;
}

.m-weld-card {
  background: #F8FAFC;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  text-align: left;
}

.m-weld-card.warning-card {
  border-color: #FCD34D;
  background: #FEF3C7;
}

.m-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.m-weld-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
}

.m-card-details {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Method Tags in Tables */
.method-tag {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}
.tag-rt { background: #E0F2FE; color: var(--primary-cyan); }
.tag-ut { background: #E0E7FF; color: var(--primary-blue); }
.tag-mt { background: #FEF3C7; color: var(--accent-amber); }
.tag-pt { background: #FCE7F3; color: #DB2777; }
.tag-tofd { background: #F3E8FF; color: var(--accent-purple); }
.tag-paut { background: #E0F2FE; color: var(--accent-indigo); }

.tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}
.tag-success {
  background: #D1FAE5;
  color: #047857;
}
.tag-warning {
  background: #FEF3C7;
  color: #B45309;
}

.btn-xs-pdf {
  font-size: 0.72rem;
  background: #F1F5F9;
  border: 1px solid var(--border-color);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  color: var(--primary-cyan);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

/* NDT Methods Grid Section */
.methods-section {
  padding: 90px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  width: 100%;
}

.methods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.method-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}
.method-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-cyan);
  box-shadow: var(--shadow-md);
}

.method-card.highlight-advanced {
  border-color: var(--accent-purple);
  background: linear-gradient(135deg, #FFFFFF 0%, #FAF5FF 100%);
}

.method-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.method-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #FFFFFF;
  flex-shrink: 0;
}
.bg-rt { background: var(--primary-cyan); }
.bg-ut { background: var(--primary-blue); }
.bg-mt { background: var(--accent-amber); }
.bg-pt { background: #DB2777; }
.bg-tofd { background: var(--accent-purple); }
.bg-paut { background: var(--accent-indigo); }

.method-card h3 {
  font-size: 1.2rem;
}
.method-subtitle {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.method-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Feature Showcase Tabs */
.features-section {
  padding: 100px 0;
  width: 100%;
}

.feature-tabs-nav {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
  width: 100%;
}

.tab-btn {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
  touch-action: manipulation;
}
.tab-btn:hover {
  background: #F8FAFC;
  color: var(--primary-cyan);
  border-color: var(--primary-cyan);
}
.tab-btn.active {
  background: var(--gradient-main);
  color: #FFF;
  border-color: transparent;
  box-shadow: var(--shadow-glow);
}

.feature-panels {
  position: relative;
  width: 100%;
}

.feature-panel {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  box-shadow: var(--shadow-md);
  width: 100%;
}
.feature-panel.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

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

.panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.panel-num {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--primary-cyan);
  letter-spacing: 1.5px;
  margin-bottom: 0.5rem;
}

.panel-text h3 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.panel-text .lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.feature-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.feature-list li i {
  color: var(--primary-cyan);
  font-size: 1.2rem;
  margin-top: 0.2rem;
}

.feature-list li strong {
  display: block;
  font-size: 1.05rem;
  color: var(--text-main);
  margin-bottom: 0.2rem;
}

.feature-list li p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Panel Media Cards */
.mockup-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  width: 100%;
}

.card-topbar {
  background: #F1F5F9;
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-color);
}

.mock-rules-preview {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rule-box {
  background: #F8FAFC;
  border: 1px solid var(--border-color);
  padding: 1rem;
  border-radius: var(--radius-sm);
}

.rule-box.highlight-border {
  border-color: var(--primary-cyan);
  background: #F0F9FF;
}

.rule-title {
  font-size: 0.85rem;
  font-weight: 700;
  display: block;
  margin-bottom: 0.6rem;
  color: var(--text-main);
}

.vessel-list {
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.vessel-item {
  display: flex;
  justify-content: space-between;
  background: #FFFFFF;
  padding: 0.4rem 0.6rem;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

/* Film Entry Sim in Tab 02 */
.film-entry-sim {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.film-row {
  background: #F8FAFC;
  border: 1px solid var(--border-color);
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
}
.film-row.active-entry {
  border-color: var(--accent-amber);
  background: #FEF3C7;
}
.film-no { font-weight: 700; }
.film-status { font-size: 0.78rem; font-weight: 700; }
.film-status.warning { color: var(--accent-amber); }
.film-status.success { color: var(--accent-emerald); }
.film-def { font-size: 0.8rem; color: var(--text-muted); }

/* Output Center Cards */
.export-preview-grid {
  padding: 1.5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}
.export-chip {
  background: #F8FAFC;
  border: 1px solid var(--border-color);
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Grid Tools Preview in Tab 04 */
.grid-tools-preview {
  padding: 1.25rem;
}
.shortcut-badge-row {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.sc-badge {
  background: #E0F2FE;
  color: var(--primary-cyan);
  border: 1px solid #BAE6FD;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 700;
}

/* Master Data Box */
.master-data-box {
  padding: 1.5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.md-item {
  background: #F8FAFC;
  border: 1px solid var(--border-color);
  padding: 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Interactive Simulator Section */
.simulator-section {
  padding: 100px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  width: 100%;
}

.sim-container {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 0;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  width: 100%;
}

.sim-sidebar {
  background: #F8FAFC;
  padding: 1.75rem;
  border-right: 1px solid var(--border-color);
}

.sim-sidebar-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary-cyan);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sim-form-group {
  margin-bottom: 1.25rem;
}

.sim-form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  font-weight: 700;
}

.sim-form-group input, .sim-select {
  width: 100%;
  padding: 0.6rem 0.85rem;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition-fast);
}
.sim-form-group input:focus, .sim-select:focus {
  border-color: var(--primary-cyan);
  box-shadow: 0 0 10px rgba(2, 132, 199, 0.2);
}

.sim-quick-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.btn-chip {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition-fast);
  font-weight: 600;
}
.btn-chip:hover {
  background: #E0F2FE;
  color: var(--primary-cyan);
  border-color: #7DD3FC;
}
.btn-chip.warning-chip:hover {
  background: #FEF3C7;
  color: var(--accent-amber);
  border-color: #FCD34D;
}
.btn-chip.danger-chip:hover {
  background: #FEE2E2;
  color: var(--accent-rose);
  border-color: #FCA5A5;
}

/* Simulator Main Area */
.sim-main {
  background: #FFFFFF;
  display: flex;
  flex-direction: column;
  width: 100%;
}

.sim-main-header {
  background: #F8FAFC;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 1rem;
}

.sim-tabs {
  display: flex;
  gap: 0.5rem;
}

.sim-tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.sim-tab-btn.active {
  background: #E0F2FE;
  color: var(--primary-cyan);
}

.sim-counter {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

.sim-view-content {
  padding: 1.5rem;
  flex: 1;
  width: 100%;
}

.sim-view-content.hidden {
  display: none;
}

.sim-desktop-table {
  display: block;
}

.sim-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  width: 100%;
}

.sim-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.sim-table th {
  background: #F1F5F9;
  color: var(--text-muted);
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-weight: 700;
  white-space: nowrap;
}

.sim-table td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.sim-table tr.row-warning {
  background: #FEF3C7;
}

/* Mobile Simulator Native Touch Cards */
.sim-mobile-cards-list {
  display: none;
  flex-direction: column;
  gap: 0.75rem;
}

.m-sim-card {
  background: #F8FAFC;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.m-sim-card.warning-card {
  border-color: #FCD34D;
  background: #FEF3C7;
}

.m-sim-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
}

.m-sim-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.btn-xs-del {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0.2rem;
}
.btn-xs-del:hover {
  color: var(--accent-rose);
}

/* Paper Report Preview */
.paper-report-preview {
  background: #FFFFFF;
  color: #1E293B;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  width: 100%;
}

.report-header {
  border-bottom: 2px solid #0F172A;
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  text-align: center;
}
.report-header h3 {
  color: #0F172A;
  font-size: 1.4rem;
}
.report-header p {
  font-size: 0.8rem;
  color: #64748B;
  font-family: var(--font-main);
}

.report-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  font-size: 0.9rem;
  font-family: var(--font-main);
  margin-bottom: 1.5rem;
}

.report-summary-box {
  background: #F1F5F9;
  border: 1px solid #CBD5E1;
  padding: 1rem;
  border-radius: 6px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* Customization & Service Section */
.customization-section {
  padding: 90px 0;
  width: 100%;
}

.customization-box {
  background: linear-gradient(135deg, #EFF6FF 0%, #ECFDF5 100%);
  border: 1px solid #BAE6FD;
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  box-shadow: var(--shadow-md);
  width: 100%;
}

.custom-content h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}
.custom-content p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}

.custom-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.c-step {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.c-num {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--primary-cyan);
  background: #E0F2FE;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.c-step h4 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

.c-step p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* Role Values Section */
.roles-section {
  padding: 100px 0;
  background: var(--bg-alt);
  width: 100%;
}

.roles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.role-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}
.role-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-cyan);
  box-shadow: var(--shadow-md);
}

.role-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.role-avatar {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #FFF;
  flex-shrink: 0;
}
.bg-blue { background: var(--primary-blue); }
.bg-cyan { background: var(--primary-cyan); }
.bg-amber { background: var(--accent-amber); }
.bg-emerald { background: var(--accent-emerald); }

.role-header h3 {
  font-size: 1.25rem;
}

.role-tag {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.role-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.role-bullets li {
  display: flex;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.role-bullets li i {
  color: var(--primary-cyan);
  font-size: 0.8rem;
  margin-top: 0.3rem;
  flex-shrink: 0;
}

/* Calculator Section */
.calculator-section {
  padding: 100px 0;
  width: 100%;
}

.calc-wrapper {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
  box-shadow: var(--shadow-lg);
  width: 100%;
}

.calc-info h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.calc-info p {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.slider-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
  font-weight: 700;
}

.slider-val {
  color: var(--primary-cyan);
  font-weight: 800;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--primary-cyan);
  height: 6px;
  background: #E2E8F0;
  border-radius: 3px;
  cursor: pointer;
}

.calc-results {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.calc-result-card {
  background: #F8FAFC;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.res-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
  font-weight: 600;
}

.res-value {
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 0.3rem;
}

.res-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* CTA Banner Section */
.cta-section {
  padding: 80px 0 120px 0;
  width: 100%;
}

.cta-box {
  background: linear-gradient(135deg, #0284C7 0%, #2563EB 100%);
  color: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 4rem 3.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  box-shadow: 0 15px 35px rgba(2, 132, 199, 0.3);
  width: 100%;
}

.cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  color: #FFFFFF;
}

.cta-content p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.cta-buttons .btn-outline {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
  color: #FFFFFF;
}
.cta-buttons .btn-outline:hover {
  background: #FFFFFF;
  color: var(--primary-cyan);
}

.cta-qr-box {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  text-align: center;
  min-width: 180px;
  backdrop-filter: blur(10px);
}

.qr-code {
  width: 100px;
  height: 100px;
  background: #FFF;
  color: var(--primary-cyan);
  border-radius: 8px;
  margin: 0 auto 0.75rem auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.cta-qr-box p {
  font-size: 0.78rem;
  color: #FFFFFF;
}

/* Footer */
.footer {
  background: #F8FAFC;
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px 0;
  width: 100%;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 2.5fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.footer-brand .copyright {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 1.5rem;
}

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

.footer-col h4 {
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  color: var(--text-main);
  font-weight: 700;
}

.footer-col a, .footer-col p {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  margin-bottom: 0.65rem;
  transition: var(--transition-fast);
}

.footer-col a:hover {
  color: var(--primary-cyan);
}

/* Modal Backdrop & Form */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-normal);
}
.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: translateY(20px);
  transition: var(--transition-normal);
  max-height: 90vh;
  overflow-y: auto;
}
.modal-backdrop.open .modal-card {
  transform: translateY(0);
}

.modal-header {
  padding: 1.25rem 1.75rem;
  background: #F8FAFC;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}
.modal-header h3 {
  font-size: 1.15rem;
  color: var(--text-main);
}
.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}
.modal-close:hover { color: var(--text-main); }

.modal-body {
  padding: 1.75rem;
}
.modal-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}
.form-group input[type="text"],
.form-group input[type="tel"] {
  width: 100%;
  padding: 0.75rem 1rem;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
}
.form-group input:focus {
  border-color: var(--primary-cyan);
  box-shadow: 0 0 10px rgba(2, 132, 199, 0.2);
}

.checkbox-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
  cursor: pointer;
}

/* ==========================================================================
   STRICT MOBILE & TABLET MEDIA QUERIES (FORCE NATIVE MOBILE APP ADAPTATION)
   ========================================================================== */

@media screen and (max-width: 1024px) {
  .hero-title { font-size: 2.8rem; }
  .panel-grid { grid-template-columns: 1fr !important; gap: 2rem !important; }
  .sim-container { grid-template-columns: 1fr !important; }
  .sim-sidebar { border-right: none !important; border-bottom: 1px solid var(--border-color) !important; }
  .calc-wrapper { grid-template-columns: 1fr !important; gap: 2rem !important; padding: 2rem !important; }
  .nav-links { gap: 0.85rem; }
  .nav-link { font-size: 0.85rem; }
  .brand-tag { display: none !important; }
}

@media screen and (max-width: 900px) {
  /* Navigation Mobile Toggle Dropdown */
  .nav-links {
    display: none !important;
  }
  .nav-links.mobile-open {
    display: flex !important;
    flex-direction: column !important;
    position: fixed !important;
    top: 76px !important;
    left: 0 !important;
    right: 0 !important;
    background: #FFFFFF !important;
    padding: 1.5rem !important;
    gap: 1.2rem !important;
    border-bottom: 1px solid var(--border-color) !important;
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15) !important;
    z-index: 1001 !important;
    align-items: flex-start !important;
  }
  .nav-links.mobile-open .nav-link {
    font-size: 1.05rem !important;
    width: 100% !important;
    padding: 0.6rem 0 !important;
    border-bottom: 1px solid #F1F5F9 !important;
  }
  .mobile-toggle {
    display: block !important;
  }
  .nav-actions .btn-outline {
    display: none !important;
  }

  .methods-grid {
    grid-template-columns: 1fr !important;
  }

  .dash-stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

@media screen and (max-width: 768px) {
  .container {
    padding: 0 1.25rem !important;
    width: 100% !important;
  }
  
  .hero-section {
    padding-top: 100px !important;
    padding-bottom: 40px !important;
  }
  
  .hero-badge {
    font-size: 0.78rem !important;
    padding: 0.35rem 0.85rem !important;
  }
  
  .hero-title {
    font-size: 2rem !important;
    letter-spacing: -0.5px !important;
    line-height: 1.3 !important;
  }
  
  .hero-subtitle {
    font-size: 1.1rem !important;
  }
  
  .hero-desc {
    font-size: 0.95rem !important;
    margin-bottom: 1.75rem !important;
  }

  .hero-cta-group {
    flex-direction: column !important;
    width: 100% !important;
    gap: 0.85rem !important;
  }
  .hero-cta-group .btn {
    width: 100% !important;
    padding: 0.85rem 1rem !important;
    font-size: 0.95rem !important;
  }

  .hero-highlights {
    flex-direction: column !important;
    gap: 0.75rem !important;
    align-items: center !important;
  }

  /* Switch Hero Dashboard & Simulator Table to Mobile Native Cards on Mobile Phone screens */
  .dash-desktop-view {
    display: none !important;
  }
  .dash-mobile-cards {
    display: flex !important;
  }

  .sim-desktop-table {
    display: none !important;
  }
  .sim-mobile-cards-list {
    display: flex !important;
  }

  .section-title {
    font-size: 1.7rem !important;
  }
  
  .section-desc {
    font-size: 0.95rem !important;
    margin-bottom: 2rem !important;
  }

  /* Horizontal swipeable tab bar on mobile */
  .feature-tabs-nav {
    justify-content: flex-start !important;
    overflow-x: auto !important;
    flex-wrap: nowrap !important;
    padding-bottom: 0.5rem !important;
    -webkit-overflow-scrolling: touch !important;
  }
  .tab-btn {
    padding: 0.65rem 1.1rem !important;
    font-size: 0.85rem !important;
    flex-shrink: 0 !important;
  }

  .feature-panel {
    padding: 1.5rem 1rem !important;
    border-radius: var(--radius-lg) !important;
  }

  .panel-grid {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
  }

  .panel-text h3 {
    font-size: 1.4rem !important;
  }

  .panel-text .lead {
    font-size: 0.95rem !important;
    margin-bottom: 1.25rem !important;
  }

  /* Simulator container on mobile */
  .sim-container {
    grid-template-columns: 1fr !important;
  }

  .sim-sidebar {
    padding: 1.25rem !important;
    border-right: none !important;
    border-bottom: 1px solid var(--border-color) !important;
  }

  .sim-main-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.75rem !important;
  }

  .sim-view-content {
    padding: 1rem !important;
  }

  .paper-report-preview {
    padding: 1.25rem !important;
  }

  .report-meta-grid {
    grid-template-columns: 1fr !important;
  }

  /* Customization & ROI Section Mobile */
  .customization-box, .calc-wrapper, .cta-box {
    padding: 1.5rem 1rem !important;
    border-radius: var(--radius-lg) !important;
  }

  .calc-wrapper {
    grid-template-columns: 1fr !important;
    gap: 1.75rem !important;
  }

  .custom-steps {
    grid-template-columns: 1fr !important;
  }

  .c-step {
    padding: 1.25rem !important;
  }

  .cta-box {
    flex-direction: column !important;
    text-align: center !important;
  }

  .cta-content h2 {
    font-size: 1.7rem !important;
  }

  .cta-buttons {
    flex-direction: column !important;
    width: 100% !important;
  }
  .cta-buttons .btn {
    width: 100% !important;
  }

  .footer-content {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }

  .footer-links {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
  }
}

@media screen and (max-width: 480px) {
  .container {
    padding: 0 0.85rem !important;
  }
  .hero-title {
    font-size: 1.65rem !important;
  }
  .export-preview-grid, .master-data-box {
    grid-template-columns: 1fr !important;
  }
  .checkbox-group {
    grid-template-columns: 1fr !important;
  }
}