/* ============================================
   NOTMATIX — Futuristic Design System
   ============================================ */

:root {
  /* Colors — Blue on Deep Navy */
  --bg-primary: #081429;
  --bg-secondary: #0c1a33;
  --bg-card: rgba(12, 26, 51, 0.7);
  --bg-card-hover: rgba(16, 34, 64, 0.8);
  --text-primary: #FAFAFA;
  --text-secondary: rgba(250, 250, 250, 0.55);
  --text-muted: rgba(250, 250, 250, 0.3);
  --accent-1: #0b57e2;
  --accent-2: #3d7ce6;
  --accent-3: #6a9fef;
  --accent-4: #0b57e2;
  --gradient-main: linear-gradient(135deg, #0b57e2, #3d7ce6);
  --gradient-warm: linear-gradient(135deg, #0b57e2, #6a9fef);
  --border-color: rgba(11, 87, 226, 0.15);
  --border-glow: rgba(11, 87, 226, 0.35);
  --glass: rgba(12, 26, 51, 0.6);
  --glass-border: rgba(11, 87, 226, 0.12);

  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --section-padding: 120px 0;
  --container-max: 1200px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

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

::selection {
  background: rgba(11, 87, 226, 0.3);
  color: #fff;
}

a {
  color: inherit;
  text-decoration: none;
}

img { max-width: 100%; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
}

/* ============================================
   Cursor Glow Effect
   ============================================ */
.cursor-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(circle, rgba(11, 87, 226, 0.06) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
  will-change: left, top;
}

/* ============================================
   Neural Network Canvas
   ============================================ */
#neuralCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.4s var(--ease-out);
}

.navbar.scrolled {
  padding: 10px 0;
  background: rgba(8, 20, 41, 0.85);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.4rem;
  z-index: 10;
}

.logo-icon {
  display: flex;
  align-items: center;
  line-height: 0;
}

.logo-icon img {
  display: block;
  border-radius: 8px;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.3s;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-main);
  transition: width 0.3s var(--ease-out);
  border-radius: 1px;
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 10;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s var(--ease-out);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.875rem;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  padding: 12px 24px;
  box-shadow: 0 4px 20px rgba(11, 87, 226, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 8px 40px rgba(11, 87, 226, 0.5);
  transform: translateY(-2px);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  padding: 12px 24px;
  border: 1px solid var(--border-color);
}

.btn-ghost:hover {
  background: rgba(11, 87, 226, 0.08);
  border-color: var(--border-glow);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1rem;
  border-radius: 14px;
}

.btn-nav {
  padding: 10px 20px;
  font-size: 0.8125rem;
  border-radius: 10px;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0;
  z-index: 1;
  overflow-x: clip;
}

.hero-bg-elements {
  position: absolute;
  inset: -200px -200px -200px -200px;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: var(--accent-1);
  top: -200px;
  right: -200px;
  animation: orbFloat1 15s ease-in-out infinite;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: var(--accent-2);
  bottom: -100px;
  left: -100px;
  animation: orbFloat2 20s ease-in-out infinite;
}

.hero-orb-3 {
  width: 300px;
  height: 300px;
  background: var(--accent-3);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: orbFloat3 25s ease-in-out infinite;
  opacity: 0.15;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(11, 87, 226, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 87, 226, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 75%);
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-40px, 60px) scale(1.1); }
  66% { transform: translate(30px, -30px) scale(0.95); }
}

@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(50px, -40px) scale(1.05); }
  66% { transform: translate(-30px, 50px) scale(0.9); }
}

@keyframes orbFloat3 {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.3); }
}

.hero-content {
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  align-items: center;
  gap: 48px;
}

.hero-text {
  text-align: left;
}

.hero-visual {
  perspective: 1000px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  padding: 8px 20px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-4);
  border-radius: 50%;
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(46, 213, 115, 0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(46, 213, 115, 0); }
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.title-line {
  display: block;
}

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

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

.hero-description {
  max-width: 600px;
  margin: 0 0 40px;
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ============================================
   Hero Demo Window
   ============================================ */
.demo-window {
  background: rgba(10, 10, 30, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  backdrop-filter: blur(20px);
  box-shadow:
    0 0 0 1px rgba(11, 87, 226, 0.05),
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 100px rgba(11, 87, 226, 0.1);
  transform: rotateX(2deg);
  transition: transform 0.6s var(--ease-out);
  width: 100%;
}

.demo-window:hover {
  transform: rotateX(0deg);
}

.demo-topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: rgba(15, 15, 35, 0.8);
  border-bottom: 1px solid var(--border-color);
}

.demo-dots {
  display: flex;
  gap: 6px;
  align-items: center;
}

.demo-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.demo-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.demo-body {
  display: grid;
  grid-template-columns: 1fr 48px 1.4fr;
  gap: 0;
  padding: 14px;
  min-height: 220px;
}

.demo-left, .demo-right {
  min-width: 0;
  display: flex;
}

/* Demo Upload Panel */
.demo-upload-panel {
  background: rgba(20, 20, 45, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.demo-paper-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.upload-area {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

/* Upload dropzone */
.upload-dropzone {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1.5px dashed rgba(11, 87, 226, 0.25);
  border-radius: 10px;
  opacity: 0;
  transform: translateY(6px);
  transition: all 0.5s var(--ease-out);
}

.upload-dropzone.visible {
  opacity: 1;
  transform: translateY(0);
}

.upload-dropzone.uploaded {
  border-color: var(--accent-4);
  background: rgba(46, 213, 115, 0.04);
}

.upload-icon {
  color: var(--accent-1);
  transition: color 0.4s;
  flex-shrink: 0;
}

.upload-dropzone.uploaded .upload-icon {
  color: var(--accent-4);
}

.upload-file-info {
  flex: 1;
  min-width: 0;
}

.upload-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 6px;
}

.upload-progress-bar {
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.3s;
}

.upload-progress-bar.active {
  opacity: 1;
}

.upload-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--gradient-main);
  border-radius: 3px;
  transition: width 0.1s linear;
}

/* Paper Preview */
.paper-preview {
  position: relative;
  background: rgba(12, 12, 32, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  opacity: 0;
  transform: translateY(6px);
  transition: all 0.5s var(--ease-out);
  flex: 1;
  min-height: 50px;
  overflow: hidden;
}

.paper-preview.visible {
  opacity: 1;
  transform: translateY(0);
}

.paper-line {
  height: 4px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 2px;
  transition: all 0.4s ease;
  opacity: 0;
  transform: translateX(-4px);
}

.paper-line.visible {
  opacity: 1;
  transform: translateX(0);
}

.paper-line.scanned {
  background: rgba(11, 87, 226, 0.25);
  box-shadow: 0 0 8px rgba(11, 87, 226, 0.1);
}

.paper-scan {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(11, 87, 226, 0.6), transparent);
  top: 0;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.paper-scan.active {
  opacity: 1;
  animation: scanDown 2.5s ease-in-out infinite;
}

.paper-scan.done {
  opacity: 0;
}

@keyframes scanDown {
  0% { top: 10px; }
  100% { top: calc(100% - 10px); }
}

/* Demo Flow Connector */
.demo-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  opacity: 0.25;
  transition: opacity 0.6s var(--ease-out);
}

.demo-flow.active {
  opacity: 1;
}

.flow-line {
  width: 1px;
  flex: 1;
  border-left: 1px dashed rgba(11, 87, 226, 0.25);
  background: none;
}

.demo-flow.active .flow-line {
  border-left-color: rgba(11, 87, 226, 0.5);
}

.flow-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(11, 87, 226, 0.06);
  border: 1.5px solid rgba(11, 87, 226, 0.15);
  color: var(--accent-1);
  transition: all 0.6s var(--ease-out);
  position: relative;
}

.demo-flow.active .flow-icon {
  background: rgba(11, 87, 226, 0.12);
  border-color: rgba(11, 87, 226, 0.5);
  box-shadow: 0 0 24px rgba(11, 87, 226, 0.3), 0 0 48px rgba(11, 87, 226, 0.1);
  animation: flowPulse 2.5s ease-in-out infinite;
}

@keyframes flowPulse {
  0%, 100% { box-shadow: 0 0 16px rgba(11, 87, 226, 0.2), 0 0 32px rgba(11, 87, 226, 0.05); }
  50% { box-shadow: 0 0 28px rgba(11, 87, 226, 0.4), 0 0 56px rgba(11, 87, 226, 0.15); }
}

/* Processing steps */
.process-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

.process-step {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 8px;
  font-size: 0.7rem;
  color: var(--text-muted);
  opacity: 0;
  transform: translateX(-8px);
  transition: all 0.4s var(--ease-out);
}

.process-step.visible {
  opacity: 1;
  transform: translateX(0);
}

.process-step.active {
  color: var(--text-secondary);
  background: rgba(11, 87, 226, 0.06);
}

.process-step.done {
  color: var(--accent-4);
  background: rgba(46, 213, 115, 0.06);
}

.step-icon {
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
  font-size: 0.55rem;
  line-height: 1;
  box-sizing: border-box;
}

.step-spinner {
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-top-color: var(--accent-1);
  animation: spin 0.8s linear infinite;
  opacity: 0;
}

.process-step.active .step-spinner {
  opacity: 1;
}

.process-step.done .step-spinner {
  border: none;
  animation: none;
  opacity: 1;
  background: rgba(46, 213, 115, 0.2);
  color: var(--accent-4);
  font-weight: 700;
}

.process-step.done .step-spinner::after {
  content: '✓';
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Demo Result */
.demo-result {
  background: rgba(20, 20, 45, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.6s var(--ease-out);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.demo-result.visible {
  opacity: 1;
  transform: translateY(0);
}

.result-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.result-content {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  flex: 1;
}

.result-score {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.score-ring {
  position: relative;
  width: 72px;
  height: 72px;
}

.score-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.score-number {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.score-label {
  display: block;
  text-align: center;
  font-size: 0.6rem;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.result-feedback {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  min-width: 0;
}

.feedback-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  padding: 8px 12px;
  border-radius: 8px;
  line-height: 1.4;
}

.feedback-good {
  background: rgba(46, 213, 115, 0.08);
  color: var(--accent-4);
}

.feedback-warn {
  background: rgba(254, 202, 87, 0.08);
  color: #fbbf24;
}

.fb-icon {
  font-weight: 700;
  font-size: 0.625rem;
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.feedback-good .fb-icon {
  background: rgba(46, 213, 115, 0.2);
}

.feedback-warn .fb-icon {
  background: rgba(254, 202, 87, 0.2);
}

/* ============================================
   Scroll Indicator
   ============================================ */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
  position: relative;
}

.scroll-wheel {
  width: 3px;
  height: 8px;
  background: var(--text-muted);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

@keyframes scrollWheel {
  0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

/* ============================================
   Sections Common
   ============================================ */
.section {
  position: relative;
  padding: var(--section-padding);
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-badge {
  display: inline-block;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-1);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
  backdrop-filter: blur(10px);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* ============================================
   How It Works — Steps
   ============================================ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px 32px;
  transition: all 0.4s var(--ease-out);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.step-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 87, 226, 0.05), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

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

.step-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(11, 87, 226, 0.1);
}

.step-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-1);
  opacity: 0.5;
  margin-bottom: 20px;
}

.step-card .step-icon {
  color: var(--accent-1);
  margin-bottom: 20px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.step-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.step-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-main);
  transition: width 0.6s var(--ease-out);
}

.step-card:hover .step-line {
  width: 100%;
}

/* ============================================
   Bento Grid — Features
   ============================================ */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.bento-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 32px;
  transition: all 0.4s var(--ease-out);
  overflow: hidden;
}

.bento-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3), 0 0 40px rgba(11, 87, 226, 0.04);
}

.bento-wide {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.bento-tall {
  grid-row: span 2;
  display: flex;
  flex-direction: column;
}

.bento-compact {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
}

.bento-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-1);
  background: rgba(11, 87, 226, 0.08);
  border: 1px solid rgba(11, 87, 226, 0.12);
  border-radius: 100px;
  padding: 4px 12px;
  margin-bottom: 16px;
  width: fit-content;
}

.bento-card h3 {
  font-size: 1.375rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

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

.bento-content { z-index: 1; }

/* Speed Visual */
.bento-visual-speed {
  position: relative;
}

.speed-bars {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.speed-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.speed-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  width: 60px;
  flex-shrink: 0;
}

.speed-track {
  flex: 1;
  height: 10px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 6px;
  overflow: hidden;
}

.speed-fill {
  height: 100%;
  border-radius: 6px;
  width: 0;
  transition: width 2s var(--ease-out);
}

.speed-fill.speed-slow {
  background: rgba(255, 255, 255, 0.12);
}

.speed-fill.speed-fast {
  background: var(--gradient-main);
  box-shadow: 0 0 16px rgba(11, 87, 226, 0.3);
}

.speed-time {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  width: 55px;
  text-align: right;
  flex-shrink: 0;
}

.speed-badge {
  position: absolute;
  top: -8px;
  right: 0;
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.15;
  line-height: 1;
}

/* Consistency Scores */
.bento-visual-scores {
  margin-top: auto;
  padding-top: 20px;
}

.score-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
  margin-bottom: 8px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.mini-score {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--accent-2);
}

.score-note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--accent-2);
  font-weight: 600;
  margin-top: 12px;
  opacity: 0.7;
}

/* Feedback Preview */
.bento-feedback-preview {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.fb-line {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  padding: 8px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-secondary);
}

.fb-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.fb-dot.green { background: var(--accent-4); }
.fb-dot.orange { background: var(--accent-3); }
.fb-dot.blue { background: #5b9aff; }

/* Chart */
.bento-chart {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin-top: 20px;
  height: 120px;
  padding-top: 10px;
}

.chart-bar {
  flex: 1;
  height: var(--h);
  background: var(--gradient-main);
  border-radius: 6px 6px 0 0;
  position: relative;
  opacity: 0.7;
  transition: opacity 0.3s, transform 0.3s;
  min-height: 20px;
}

.chart-bar:hover {
  opacity: 1;
  transform: scaleY(1.05);
  transform-origin: bottom;
}

.chart-bar span {
  position: absolute;
  bottom: -22px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.6875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Rubric Stack */
.bento-visual-rubric {
  display: flex;
  align-items: center;
}

.rubric-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

.rubric-chip {
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 0.8125rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  transition: all 0.3s var(--ease-out);
}

.rubric-chip.active {
  background: rgba(11, 87, 226, 0.08);
  border-color: rgba(11, 87, 226, 0.2);
  color: var(--text-primary);
  box-shadow: 0 0 20px rgba(11, 87, 226, 0.06);
}

.rubric-chip:hover {
  border-color: rgba(11, 87, 226, 0.15);
  color: var(--text-secondary);
}

/* Shield */
.bento-shield {
  flex-shrink: 0;
}

.bento-compact h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.bento-compact p {
  font-size: 0.8125rem;
}

/* ============================================
   Stats Section
   ============================================ */
.section-stats {
  overflow: visible;
}

.stats-bg {
  position: absolute;
  inset: -200px -200px -200px -200px;
  pointer-events: none;
}

.stats-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
}

.stats-orb-1 {
  width: 400px;
  height: 400px;
  background: var(--accent-1);
  top: -100px;
  left: -100px;
}

.stats-orb-2 {
  width: 300px;
  height: 300px;
  background: var(--accent-2);
  bottom: -80px;
  right: -80px;
}

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

.stat-card {
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px 24px;
  transition: all 0.4s var(--ease-out);
}

.stat-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
}

.stat-value {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline;
  line-height: 1;
}

.stat-suffix {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-2);
  display: inline;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 8px;
  margin-bottom: 16px;
}

.stat-bar {
  height: 3px;
  background: rgba(11, 87, 226, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.stat-bar-fill {
  height: 100%;
  background: var(--gradient-main);
  border-radius: 2px;
  width: 0;
  transition: width 1.5s var(--ease-out);
}

/* ============================================
   About Section
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-content .section-badge,
.about-content .section-title {
  text-align: left;
}

.about-text {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.tag {
  background: rgba(11, 87, 226, 0.08);
  border: 1px solid rgba(11, 87, 226, 0.15);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent-1);
  transition: all 0.3s;
}

.tag:hover {
  background: rgba(11, 87, 226, 0.15);
  border-color: rgba(11, 87, 226, 0.3);
}

/* About Floating Cards */
.about-visual {
  position: relative;
  height: 400px;
}

.about-card-stack {
  position: relative;
  width: 100%;
  height: 100%;
}

.about-float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px 24px;
  backdrop-filter: blur(10px);
  transition: all 0.4s var(--ease-out);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.about-float-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px) !important;
}

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

.afc-text strong {
  display: block;
  font-size: 0.9375rem;
  margin-bottom: 2px;
}

.afc-text span {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.card-1 {
  top: 20px;
  left: 10px;
  animation: floatCard1 6s ease-in-out infinite;
}

.card-2 {
  top: 140px;
  right: 10px;
  animation: floatCard2 7s ease-in-out infinite;
}

.card-3 {
  bottom: 40px;
  left: 40px;
  animation: floatCard3 8s ease-in-out infinite;
}

@keyframes floatCard1 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes floatCard2 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

@keyframes floatCard3 {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ============================================
   CTA Section
   ============================================ */
.cta-box {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 28px;
  padding: 80px 60px;
  text-align: center;
  overflow: hidden;
}

.cta-bg-effects {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cta-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.2;
}

.cta-orb-1 {
  width: 400px;
  height: 400px;
  background: var(--accent-1);
  top: -200px;
  left: -100px;
}

.cta-orb-2 {
  width: 300px;
  height: 300px;
  background: var(--accent-2);
  bottom: -150px;
  right: -100px;
}

.cta-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  position: relative;
}

.cta-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  position: relative;
}

.cta-buttons {
  position: relative;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px 24px;
  transition: all 0.3s var(--ease-out);
}

.contact-card:hover {
  border-color: var(--border-glow);
  transform: translateX(4px);
}

.contact-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(11, 87, 226, 0.08);
  border-radius: 12px;
  color: var(--accent-1);
  flex-shrink: 0;
}

.contact-card h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Contact Form */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 36px;
}

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

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(15, 15, 40, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 14px 16px;
  font-family: var(--font-main);
  font-size: 0.9375rem;
  color: var(--text-primary);
  transition: all 0.3s;
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(11, 87, 226, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  margin-bottom: 40px;
}

.footer-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 16px;
  max-width: 280px;
  line-height: 1.6;
}

.footer-links-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 4px 0;
  transition: color 0.3s;
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  text-align: center;
}

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

/* ============================================
   Animations — Scroll Reveal
   ============================================ */
.animate-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-in:nth-child(2) { transition-delay: 0.1s; }
.animate-in:nth-child(3) { transition-delay: 0.2s; }
.animate-in:nth-child(4) { transition-delay: 0.3s; }
.animate-in:nth-child(5) { transition-delay: 0.4s; }
.animate-in:nth-child(6) { transition-delay: 0.5s; }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bento-wide {
    grid-column: span 2;
    grid-template-columns: 1fr;
  }

  .bento-tall {
    grid-row: span 1;
  }

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

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-visual {
    height: 350px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 80px 0;
  }

  .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(8, 20, 41, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s;
    z-index: 5;
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: all;
  }

  .nav-links .nav-link {
    font-size: 1.25rem;
  }

  .mobile-toggle {
    display: flex;
  }

  .btn-nav {
    display: none;
  }

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

  .bento-grid {
    grid-template-columns: 1fr;
  }

  .bento-wide {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .demo-body {
    grid-template-columns: 1fr;
    gap: 12px;
    height: auto;
    min-height: auto;
  }

  .demo-flow {
    flex-direction: row;
    padding: 4px 0;
  }

  .flow-line {
    width: auto;
    height: 0;
    flex: 1;
    border-left: none;
    border-top: 1px dashed rgba(11, 87, 226, 0.25);
  }

  .hero {
    height: auto;
    min-height: 100vh;
    padding: 100px 0 40px;
    overflow: visible;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .hero-description {
    margin: 0 auto 40px;
  }

  .hero-buttons {
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .result-content {
    flex-direction: column;
    gap: 10px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-links-group {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .hero-title {
    font-size: clamp(2.25rem, 10vw, 3.5rem);
  }

  .cta-box {
    padding: 48px 28px;
  }

  .about-visual {
    height: 320px;
  }

  .cursor-glow {
    display: none;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .footer-links-group {
    grid-template-columns: 1fr;
  }

  .about-visual {
    height: 300px;
  }

  .about-float-card {
    position: relative;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    animation: none !important;
    margin-bottom: 12px;
  }

  .about-card-stack {
    display: flex;
    flex-direction: column;
  }
}

/* ============================================
   Smooth Scrollbar
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: rgba(11, 87, 226, 0.3);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(11, 87, 226, 0.5);
}

/* ============================================
   Loading State
   ============================================ */
body.loading {
  overflow: hidden;
}

.page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.6s, visibility 0.6s;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(11, 87, 226, 0.2);
  border-top-color: var(--accent-1);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}