/* ==========================================================================
   XKRISK Modern Credit Risk Data Platform
   Design System & Styling
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Dark Theme (Default) */
  --bg-primary: #070B14;
  --bg-secondary: #0D1525;
  --bg-surface: #121E33;
  --bg-surface-elevated: #182844;
  --bg-glass: rgba(14, 23, 40, 0.75);
  --bg-glass-strong: rgba(10, 17, 30, 0.90);
  --bg-input: rgba(18, 30, 51, 0.8);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.16);
  --border-accent: rgba(0, 242, 254, 0.35);

  --accent-cyan: #00F2FE;
  --accent-blue: #38BDF8;
  --accent-indigo: #6366F1;
  --accent-emerald: #10B981;
  --accent-amber: #F59E0B;
  --accent-rose: #F43F5E;
  
  --gradient-brand: linear-gradient(135deg, #00F2FE 0%, #38BDF8 50%, #6366F1 100%);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);
  --gradient-glow: radial-gradient(circle at center, rgba(0, 242, 254, 0.15) 0%, transparent 70%);

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-inverted: #070B14;
  --text-accent: #38BDF8;

  --code-bg: #050811;
  --code-border: rgba(0, 242, 254, 0.2);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 35px rgba(0, 242, 254, 0.22);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --transition-fast: 0.18s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

[data-theme="light"] {
  --bg-primary: #F8FAFC;
  --bg-secondary: #EDF2F7;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #F1F5F9;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-glass-strong: rgba(255, 255, 255, 0.95);
  --bg-input: #F1F5F9;

  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-medium: rgba(15, 23, 42, 0.16);
  --border-accent: rgba(2, 132, 199, 0.35);

  --accent-cyan: #0284C7;
  --accent-blue: #2563EB;
  --accent-indigo: #4F46E5;
  --accent-emerald: #059669;
  --accent-amber: #D97706;
  --accent-rose: #E11D48;

  --gradient-brand: linear-gradient(135deg, #0284C7 0%, #2563EB 50%, #4F46E5 100%);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.6) 100%);
  --gradient-glow: radial-gradient(circle at center, rgba(2, 132, 199, 0.1) 0%, transparent 70%);

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --text-inverted: #F8FAFC;
  --text-accent: #0284C7;

  --code-bg: #0F172A;
  --code-border: rgba(2, 132, 199, 0.2);

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 35px rgba(2, 132, 199, 0.18);
}

/* ==========================================================================
   CSS Reset & Base
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

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

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

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

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 6.5rem 0;
  position: relative;
}

/* Section Header */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  border: 1px solid var(--border-accent);
  margin-bottom: 1rem;
}

.section-badge svg {
  width: 14px;
  height: 14px;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.125rem;
  max-width: 680px;
  margin-bottom: 3rem;
}

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

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

/* Gradient text */
.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition-normal);
  background: transparent;
}

.navbar.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.75rem 0;
  box-shadow: var(--shadow-sm);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text-primary);
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--gradient-brand);
  color: #070B14;
  font-weight: 900;
  font-size: 1.15rem;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
}

.brand-logo span.accent {
  color: var(--accent-cyan);
}

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

.nav-link {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.35rem 0;
  transition: color var(--transition-fast);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  transition: width var(--transition-normal);
  border-radius: 2px;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  color: var(--accent-cyan);
  border-color: var(--border-accent);
}

.theme-toggle-btn svg {
  width: 18px;
  height: 18px;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
  padding: 0.5rem;
}

.mobile-toggle svg {
  width: 24px;
  height: 24px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #070B14;
  font-weight: 700;
  box-shadow: 0 4px 18px rgba(0, 242, 254, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 6px 25px rgba(0, 242, 254, 0.45);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

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

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.85rem 1.85rem;
  font-size: 1rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8.5rem 0 5rem;
  overflow: hidden;
  background-color: var(--bg-primary);
}

.hero-bg-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.hero-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.32;
  mix-blend-mode: luminosity;
  filter: contrast(1.1) brightness(0.9);
}

.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 65% 40%, transparent 0%, var(--bg-primary) 75%),
              linear-gradient(180deg, rgba(7, 11, 20, 0.4) 0%, var(--bg-primary) 100%);
}

#heroCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--border-accent);
  color: var(--accent-cyan);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  animation: pulseGlow 3s infinite;
}

.hero-badge .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.28rem);
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 2.25rem;
  max-width: 680px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

.hero-stats-ticker {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.stat-value span.accent {
  color: var(--accent-cyan);
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 0.2rem;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 15px rgba(0, 242, 254, 0.1); }
  50% { box-shadow: 0 0 25px rgba(0, 242, 254, 0.25); }
}

/* ==========================================================================
   About Us Section
   ========================================================================== */
.about-section {
  background-color: var(--bg-secondary);
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.about-text-block h3 {
  font-size: 2rem;
  margin-bottom: 1.25rem;
}

.about-text-block p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.about-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 2rem;
}

.pillar-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  transition: all var(--transition-fast);
}

.pillar-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.pillar-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.pillar-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.pillar-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.about-visual-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.about-visual-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: var(--gradient-glow);
  pointer-events: none;
}

.visual-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.pipeline-step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.pipeline-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 36px;
  left: 17px;
  width: 2px;
  height: calc(100% - 16px);
  background: var(--border-medium);
}

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-accent);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
  z-index: 2;
}

.step-content h4 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.step-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   Data Products Section
   ========================================================================== */
.products-section {
  position: relative;
  background-color: var(--bg-primary);
}

.products-catalog {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.catalog-tabs-bar {
  display: flex;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  overflow-x: auto;
  scrollbar-width: none;
}

.catalog-tabs-bar::-webkit-scrollbar {
  display: none;
}

.catalog-tab {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1.1rem 1.6rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.catalog-tab svg {
  width: 18px;
  height: 18px;
  opacity: 0.7;
}

.catalog-tab:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.02);
}

.catalog-tab.active {
  color: var(--accent-cyan);
  background: var(--bg-surface);
  border-bottom-color: var(--accent-cyan);
}

.catalog-tab.active svg {
  opacity: 1;
  color: var(--accent-cyan);
}

.catalog-content-wrapper {
  padding: 2.25rem;
}

.product-detail-layout {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 2.5rem;
}

.product-info-column h3 {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.product-badge-group {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.product-badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-weight: 500;
}

.product-info-column p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.product-features-list {
  list-style: none;
  margin-bottom: 1.75rem;
}

.product-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.product-features-list li svg {
  width: 18px;
  height: 18px;
  color: var(--accent-cyan);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Sample Data Viewer */
.sample-viewer-card {
  background: var(--code-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.viewer-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-subtle);
}

.viewer-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.viewer-toggle-group {
  display: flex;
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.viewer-toggle-btn {
  padding: 0.3rem 0.7rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 4px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.viewer-toggle-btn.active {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
}

.viewer-body {
  padding: 1.25rem;
  max-height: 380px;
  overflow: auto;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th {
  padding: 0.65rem 0.85rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: #CBD5E1;
  white-space: nowrap;
}

.data-table tr:hover td {
  background: rgba(0, 242, 254, 0.08);
  color: #FFFFFF;
}

.badge-risk {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
}

.badge-risk.low {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
}

.badge-risk.mid {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
}

.badge-risk.high {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
}

.json-view-pre {
  margin: 0;
  color: #E2E8F0;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-all;
}

.json-key { color: var(--accent-cyan); }
.json-string { color: #A5B4FC; }
.json-number { color: #F59E0B; }
.json-boolean { color: #10B981; }

/* ==========================================================================
   Delivery Options & AI / MCP Section
   ========================================================================== */
.delivery-section {
  background-color: var(--bg-secondary);
  position: relative;
}

.delivery-architecture-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 3.5rem;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-lg);
}

.delivery-architecture-img {
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: cover;
  display: block;
}

.delivery-overlay-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem 2rem;
  background: linear-gradient(0deg, rgba(7, 11, 20, 0.95) 0%, rgba(7, 11, 20, 0) 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.delivery-modes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.delivery-mode-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: all var(--transition-fast);
  cursor: pointer;
  position: relative;
  display: flex;
  flex-direction: column;
}

.delivery-mode-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.delivery-mode-card.active {
  border-color: var(--accent-cyan);
  background: var(--bg-surface-elevated);
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.15);
}

.delivery-card-badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
}

.delivery-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.delivery-mode-card h4 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.delivery-mode-card p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.55;
  margin-bottom: 1rem;
}

.delivery-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: auto;
}

/* Delivery Interactive Code & Showcase Viewer */
.delivery-viewer-box {
  background: #070B16;
  border: 1px solid rgba(0, 242, 254, 0.25);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.delivery-viewer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.delivery-viewer-title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: #94A3B8;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.delivery-status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

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

.viewer-tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.viewer-tab-btn:hover {
  color: var(--text-primary);
}

.viewer-tab-btn.active {
  background: var(--bg-surface);
  border-color: var(--border-subtle);
  color: var(--accent-cyan);
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  color: #CBD5E1;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background: rgba(0, 242, 254, 0.15);
  border-color: var(--accent-cyan);
  color: #FFFFFF;
}

.delivery-code-content {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.65;
  min-height: 480px;
  max-height: none !important;
  overflow-y: visible !important;
  overflow-x: auto;
  color: #E2E8F0 !important;
  background: #070B16 !important;
  margin: 0;
  white-space: pre;
}

.delivery-code-content::selection,
.delivery-code-content *::selection {
  background: rgba(0, 242, 254, 0.35);
  color: #FFFFFF;
}

/* Custom Scrollbars for code viewers */
.delivery-code-content::-webkit-scrollbar,
.viewer-body::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.delivery-code-content::-webkit-scrollbar-track,
.viewer-body::-webkit-scrollbar-track {
  background: #070B16;
}

.delivery-code-content::-webkit-scrollbar-thumb,
.viewer-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
}

.delivery-code-content::-webkit-scrollbar-thumb:hover,
.viewer-body::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 242, 254, 0.5);
}

/* Code Syntax Highlighting Tokens */
.code-comment { color: #64748B; font-style: italic; }
.code-key { color: var(--accent-cyan); font-weight: 500; }
.code-string { color: #86EFAC; }
.code-number { color: #F59E0B; }
.code-boolean { color: #38BDF8; }
.code-keyword { color: #F43F5E; font-weight: 600; }
.code-param { color: #C084FC; }
.code-url { color: #38BDF8; text-decoration: underline; text-underline-offset: 2px; }
.code-bold { color: #F8FAFC; font-weight: 600; }

/* ==========================================================================
   Services Section
   ========================================================================== */
.services-section {
  background-color: var(--bg-primary);
  position: relative;
}

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

.service-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.service-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.85rem;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.service-deliverables {
  list-style: none;
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
}

.service-deliverables li {
  font-size: 0.8125rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.service-deliverables li svg {
  width: 14px;
  height: 14px;
  color: var(--accent-emerald);
}

/* ==========================================================================
   Contact Us Section
   ========================================================================== */
.contact-section {
  background-color: var(--bg-secondary);
  position: relative;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 3.5rem;
}

.contact-info-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.direct-email-box {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid var(--border-accent);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  margin: 1.5rem 0 2rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.direct-email-box:hover {
  background: rgba(0, 242, 254, 0.16);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

.contact-meta-list {
  list-style: none;
  margin-top: 2rem;
}

.contact-meta-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.contact-meta-item svg {
  width: 20px;
  height: 20px;
  color: var(--accent-cyan);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Form Styling */
.contact-form-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

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

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.45rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 242, 254, 0.12);
}

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

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  background: var(--bg-surface-elevated);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.checkbox-label input {
  accent-color: var(--accent-cyan);
}

.checkbox-label:hover {
  border-color: var(--border-accent);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding: 4.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 320px;
  line-height: 1.6;
}

.footer-col h5 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Sign In Modal
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 8, 17, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  padding: 1.5rem;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform var(--transition-fast);
  overflow: hidden;
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.15rem;
  font-weight: 700;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

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

.modal-tabs {
  display: flex;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.modal-tab {
  flex: 1;
  padding: 0.85rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border-bottom: 2px solid transparent;
}

.modal-tab.active {
  color: var(--accent-cyan);
  border-bottom-color: var(--accent-cyan);
  background: var(--bg-surface);
}

.modal-body {
  padding: 1.75rem;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-accent);
  color: var(--text-primary);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  pointer-events: auto;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-normal);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success {
  border-color: var(--accent-emerald);
}

.toast.success svg {
  color: var(--accent-emerald);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-stats-ticker {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .product-detail-layout {
    grid-template-columns: 1fr;
  }
  .delivery-modes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .section-padding {
    padding: 4.5rem 0;
  }
  .nav-links {
    display: none;
  }
  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-lg);
  }
  .mobile-toggle {
    display: block;
  }
  .delivery-modes-grid {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}