/* ==========================================================================
   LICERON TECHNOLOGIES - DESIGN SYSTEM: LUNIRA
   AI Claims Decision Intelligence & Fraud Prevention Infrastructure
   Clean, Airy, Uncluttered, Spacious Header & Multi-Page Layout
   ========================================================================== */

:root {
  /* Lunira Color Palette */
  --color-primary: #0B64F4;
  --color-primary-hover: #0952C7;
  --color-primary-light: #EFF6FF;
  --color-primary-muted: rgba(11, 100, 244, 0.08);
  --color-accent: #86A8FF;
  
  --color-bg: #F8F8F8;
  --color-surface: #FFFFFF;
  --color-surface-subtle: #F4F5F7;
  --color-surface-elevated: #FFFFFF;
  
  --color-text-primary: #1F1F1F;
  --color-text-secondary: #4A4A4A;
  --color-text-muted: #737373;
  --color-text-inverted: #F8F8F8;
  
  --color-border: #E6E6E6;
  --color-border-subtle: #ECECEC;
  --color-border-hover: #D1D5DB;
  
  /* Status Colors */
  --status-success-bg: #ECFDF5;
  --status-success-text: #065F46;
  --status-success-border: #A7F3D0;
  --status-success-dot: #10B981;
  
  --status-warning-bg: #FFFBEB;
  --status-warning-text: #92400E;
  --status-warning-border: #FDE68A;
  --status-warning-dot: #F59E0B;
  
  --status-danger-bg: #FEF2F2;
  --status-danger-text: #991B1B;
  --status-danger-border: #FECACA;
  --status-danger-dot: #EF4444;

  --status-info-bg: #EFF6FF;
  --status-info-text: #1E40AF;
  --status-info-border: #BFDBFE;
  --status-info-dot: #3B82F6;

  /* Typography */
  --font-family-primary: 'Inter Tight', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Radii */
  --radius-micro: 3px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 40px;

  /* Spacing Grid (4px base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Layout */
  --container-max-width: 1280px;
  --container-wide-width: 1360px;
  --container-narrow-width: 880px;

  /* Shadows: Extremely restrained */
  --shadow-none: none;
  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-dropdown: 0 12px 24px -4px rgba(0, 0, 0, 0.08), 0 4px 8px -2px rgba(0, 0, 0, 0.03);
  --shadow-modal: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease, opacity 0.15s ease;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

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

/* ==========================================================================
   Typography Hierarchy (Lunira Compact Style)
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-primary);
  color: var(--color-text-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.25rem, 4vw + 1rem, 3.4rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.75rem, 2.5vw + 0.5rem, 2.4rem);
  letter-spacing: -0.025em;
}

h3 {
  font-size: clamp(1.25rem, 1.5vw + 0.5rem, 1.6rem);
}

h4 {
  font-size: 1.125rem;
  font-weight: 600;
}

p {
  color: var(--color-text-secondary);
  font-size: 0.9875rem;
  line-height: 1.65;
}

.text-large {
  font-size: 1.15rem;
  line-height: 1.6;
}

.text-small {
  font-size: 0.875rem;
  line-height: 1.5;
}

.text-micro {
  font-size: 0.75rem;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.eyebrow-pill {
  background: var(--color-primary-light);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
}

/* ==========================================================================
   Layout Containers & Utilities
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  position: relative;
}

.section-lg {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

.section-divider {
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  margin-bottom: var(--space-12);
}

.section-header.text-center {
  text-align: center;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.flex {
  display: flex;
}

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

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

.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ==========================================================================
   Buttons & Links (Lunira Pill Style)
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 9px 22px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.9125rem;
  line-height: 1.2;
  text-align: center;
  transition: all 0.15s ease-in-out;
  white-space: nowrap;
  min-height: 42px;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  box-shadow: var(--shadow-none);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-surface-subtle);
  border-color: var(--color-border-hover);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-primary);
}

.btn-ghost:hover {
  background-color: var(--color-primary-light);
}

.btn-sm {
  padding: 6px 16px;
  font-size: 0.8125rem;
  min-height: 34px;
}

.btn-lg {
  padding: 13px 30px;
  font-size: 1.025rem;
  min-height: 48px;
}

.btn-block {
  width: 100%;
}

.link-text {
  color: var(--color-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.link-text:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Header & Uncluttered Spacious Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(248, 248, 248, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: all 0.2s ease;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: -0.03em;
}

.brand-logo-icon {
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.brand-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  transition: color 0.15s ease, background 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
  background-color: rgba(11, 100, 244, 0.05);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  min-width: 260px;
  box-shadow: var(--shadow-dropdown);
  display: none;
  z-index: 1010;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-dropdown-item {
  display: flex;
  flex-direction: column;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: background 0.15s ease;
}

.nav-dropdown-item:hover {
  background: var(--color-surface-subtle);
}

.nav-dropdown-title {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-primary);
}

.nav-dropdown-desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.3;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.mobile-menu-btn {
  display: none;
  padding: 8px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

/* ==========================================================================
   Cards & Surfaces (Lunira Flat / Minimal Depth)
   ========================================================================== */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  position: relative;
  transition: border-color 0.2s ease, transform 0.15s ease;
}

.card:hover {
  border-color: var(--color-border-hover);
}

.card-flush {
  padding: 0;
  overflow: hidden;
}

.card-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border-subtle);
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border-subtle);
  background: var(--color-surface-subtle);
}

.card-featured {
  border: 2px solid var(--color-primary);
}

/* Metric / Stat Blocks */
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--color-text-primary);
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-2);
}

.stat-value-primary {
  color: var(--color-primary);
}

.stat-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.stat-subtext {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* Badges & Status Indicators */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.badge-success {
  background: var(--status-success-bg);
  color: var(--status-success-text);
  border: 1px solid var(--status-success-border);
}
.badge-success .badge-dot { background: var(--status-success-dot); }

.badge-warning {
  background: var(--status-warning-bg);
  color: var(--status-warning-text);
  border: 1px solid var(--status-warning-border);
}
.badge-warning .badge-dot { background: var(--status-warning-dot); }

.badge-danger {
  background: var(--status-danger-bg);
  color: var(--status-danger-text);
  border: 1px solid var(--status-danger-border);
}
.badge-danger .badge-dot { background: var(--status-danger-dot); }

.badge-info {
  background: var(--status-info-bg);
  color: var(--status-info-text);
  border: 1px solid var(--status-info-border);
}
.badge-info .badge-dot { background: var(--status-info-dot); }

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  background: radial-gradient(circle at 50% 0%, rgba(11, 100, 244, 0.04) 0%, transparent 60%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-12);
  align-items: center;
}

.hero-headline {
  margin-bottom: var(--space-6);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-8);
  max-width: 620px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.hero-trust-bar {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Hero Live Flow Interactive Card */
.hero-simulation-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.simulation-header {
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface-subtle);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.simulation-pipeline {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.sim-step {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.sim-step.active-flag {
  background: var(--status-danger-bg);
  border-color: var(--status-danger-border);
}

.sim-step.active-pass {
  background: var(--status-success-bg);
  border-color: var(--status-success-border);
}

.sim-step.active-review {
  background: var(--status-warning-bg);
  border-color: var(--status-warning-border);
}

.sim-verdict-box {
  margin: var(--space-4);
  padding: var(--space-4);
  background: #111827;
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   Gate Engine & Decision Pipeline (8 Gates)
   ========================================================================== */

.pipeline-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.gate-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  position: relative;
  transition: transform 0.15s ease;
}

.gate-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.8125rem;
  margin-bottom: var(--space-3);
}

.gate-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.gate-desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

/* ==========================================================================
   Evidence Cards (Core Feature)
   ========================================================================== */

.evidence-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
}

.evidence-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.evidence-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--color-surface-subtle);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  margin-bottom: var(--space-3);
}

.evidence-reasoning {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-4);
}

.evidence-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ==========================================================================
   Interactive Live Sandbox & Copilot
   ========================================================================== */

.sandbox-container {
  display: grid;
  grid-template-columns: 320px 1fr 360px;
  gap: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  height: 740px;
}

.sandbox-sidebar {
  border-right: 1px solid var(--color-border);
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
}

.sandbox-list-header {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  font-weight: 700;
  font-size: 0.875rem;
}

.claim-list {
  overflow-y: auto;
  flex: 1;
}

.claim-item {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-subtle);
  cursor: pointer;
  transition: background 0.15s ease;
}

.claim-item:hover {
  background: var(--color-surface-subtle);
}

.claim-item.active {
  background: var(--color-surface);
  border-left: 3px solid var(--color-primary);
}

.sandbox-main {
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  background: var(--color-surface);
  padding: var(--space-6);
}

.sandbox-copilot {
  border-left: 1px solid var(--color-border);
  background: var(--color-surface-subtle);
  display: flex;
  flex-direction: column;
}

.copilot-header {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 0.875rem;
}

.copilot-chat {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.copilot-msg {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  line-height: 1.45;
  max-width: 90%;
}

.copilot-msg-ai {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  align-self: flex-start;
}

.copilot-msg-user {
  background: var(--color-primary);
  color: white;
  align-self: flex-end;
}

.copilot-input-area {
  padding: var(--space-3);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

/* ==========================================================================
   Network / Fraud Graph Canvas
   ========================================================================== */

.graph-wrapper {
  position: relative;
  background: #0B0F19;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  height: 520px;
}

.graph-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.graph-overlay-panel {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  max-width: 320px;
  font-size: 0.8125rem;
}

.graph-legend {
  position: absolute;
  bottom: 16px;
  left: 16px;
  display: flex;
  gap: var(--space-3);
  background: rgba(15, 23, 42, 0.85);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  color: #F8F8F8;
}

/* ==========================================================================
   Table & Benchmarking
   ========================================================================== */

.table-container {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.custom-table th {
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface-subtle);
  color: var(--color-text-secondary);
  font-weight: 600;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.custom-table td {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border-subtle);
  color: var(--color-text-primary);
  vertical-align: middle;
}

.custom-table tr:hover td {
  background: var(--color-surface-subtle);
}

/* ==========================================================================
   Accordions (FAQ & Details)
   ========================================================================== */

.accordion-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.accordion-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.accordion-trigger {
  width: 100%;
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-weight: 600;
  font-size: 1.025rem;
  color: var(--color-text-primary);
  background: var(--color-surface);
  transition: background 0.15s ease;
}

.accordion-trigger:hover {
  background: var(--color-surface-subtle);
}

.accordion-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
  font-size: 1.25rem;
  color: var(--color-primary);
}

.accordion-item.open .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  padding: 0 var(--space-6) var(--space-6) var(--space-6);
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  display: none;
}

.accordion-item.open .accordion-content {
  display: block;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: #111827;
  color: #F8F8F8;
  padding-top: var(--space-20);
  padding-bottom: var(--space-12);
  border-top: 1px solid #1F2937;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.footer-brand p {
  color: #9CA3AF;
  font-size: 0.875rem;
  margin-top: var(--space-3);
  margin-bottom: var(--space-4);
  max-width: 320px;
}

.footer-col-title {
  color: #FFFFFF;
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: var(--space-4);
  letter-spacing: -0.01em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  color: #9CA3AF;
  font-size: 0.875rem;
  transition: color 0.15s ease;
}

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

.footer-corporate-box {
  background: #1F2937;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  font-size: 0.75rem;
  color: #9CA3AF;
  line-height: 1.5;
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid #374151;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: #9CA3AF;
}

/* ==========================================================================
   Modals & Overlay
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

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

.modal-dialog {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-modal);
  border: 1px solid var(--color-border);
}

/* ==========================================================================
   Form Controls
   ========================================================================== */

.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-primary);
  font-size: 0.9375rem;
  outline: none;
  transition: border-color 0.15s ease;
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(11, 100, 244, 0.12);
}

/* ==========================================================================
   Toast Notification
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: #111827;
  color: #FFFFFF;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-card);
  animation: slideIn 0.2s ease-out;
}

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

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1100px) {
  .main-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .pipeline-flow {
    grid-template-columns: repeat(2, 1fr);
  }
  .sandbox-container {
    grid-template-columns: 1fr;
    height: auto;
  }
  .sandbox-sidebar, .sandbox-copilot {
    border: none;
    height: 380px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 768px) {
  .header-actions .btn-secondary {
    display: none;
  }
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
  .pipeline-flow {
    grid-template-columns: 1fr;
  }
  .hero-cta-group {
    flex-direction: column;
    align-items: stretch;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}