/* =============================================
   CSS VARIABLES & DESIGN TOKENS
   ============================================= */
:root {
  /* Backgrounds */
  --bg: #0a0a0f;
  --bg-dark: #080810;
  --bg-panel: #111118;
  --bg-panel-hover: #16161f;
  --bg-card: #12121f;

  /* Borders */
  --border: rgba(255, 255, 255, 0.07);
  --border-active: rgba(99, 102, 241, 0.4);
  --border-hover: rgba(255, 255, 255, 0.12);

  /* Text */
  --text-primary: #f0efe8;
  --text-secondary: #8a8a9a;
  --text-muted: #4a4a5a;

  /* Gradient accent (indigo → violet → fuchsia) */
  --gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #d946ef);
  --gradient-start: #6366f1;
  --gradient-mid: #8b5cf6;
  --gradient-end: #d946ef;
  --gradient-glow: rgba(99, 102, 241, 0.25);

  /* Legacy accent kept for demo compatibility */
  --accent: #8b5cf6;
  --accent-dim: rgba(139, 92, 246, 0.12);
  --accent-glow: rgba(139, 92, 246, 0.25);
  --border-active-legacy: rgba(139, 92, 246, 0.4);

  /* Status colors */
  --green: #4ade80;
  --green-dim: rgba(74, 222, 128, 0.12);
  --red: #f87171;
  --red-dim: rgba(248, 113, 113, 0.12);

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;

  /* Radii */
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* Account for sticky header */
}

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

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

button {
  cursor: pointer;
  font-family: inherit;
}

/* =============================================
   BACKGROUND ELEMENTS
   ============================================= */
.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  top: -300px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 700px;
  background: radial-gradient(ellipse, rgba(99, 102, 241, 0.07) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

/* =============================================
   NAVIGATION / HEADER
   ============================================= */
.header {
  position: sticky;
  top: 0;
  z-index: 200;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(10, 10, 15, 0.88);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.header.scrolled {
  background: rgba(10, 10, 15, 0.96);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  font-size: 1.3rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
  letter-spacing: 0.01em;
}

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

/* Nav CTA button */
.btn-nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--gradient);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 8px 20px;
  border-radius: 100px;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: opacity 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  flex-shrink: 0;
}

.btn-nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--gradient-glow);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all 0.25s ease;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 1rem 2rem 1.5rem;
  border-top: 1px solid var(--border);
  gap: 0.25rem;
}

.mobile-menu.open {
  display: flex;
}

.mobile-nav-link {
  font-size: 1rem;
  color: var(--text-secondary);
  padding: 0.6rem 0;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.mobile-cta {
  margin-top: 0.75rem;
  text-align: center;
  border-radius: var(--radius);
  padding: 12px 24px;
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
  position: relative;
  z-index: 1;
  padding: 80px 2rem 60px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 64px;
}

/* Hero Left: Text */
.hero-left {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--gradient-mid);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.25);
  padding: 5px 14px;
  border-radius: 100px;
  width: fit-content;
  animation: fadeInDown 0.6s ease both;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  animation: fadeInDown 0.6s 0.1s ease both;
}

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

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 480px;
  animation: fadeInDown 0.6s 0.2s ease both;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeInDown 0.6s 0.3s ease both;
}

/* Primary gradient button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gradient);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: opacity 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--gradient-glow);
}

/* Ghost button */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-ghost:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: rgba(255,255,255,0.03);
}

/* Hero Right: Visual */
.hero-right {
  display: flex;
  justify-content: center;
  animation: fadeInDown 0.6s 0.4s ease both;
}

.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  width: 100%;
  max-width: 340px;
}

/* Receipt card */
.visual-receipt-card {
  width: 100%;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.visual-receipt-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.visual-receipt-logo {
  font-size: 1rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.visual-receipt-merchant {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.visual-receipt-divider {
  height: 1px;
  background: var(--border);
  margin: 12px 0;
}

.visual-receipt-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.visual-receipt-row {
  display: flex;
  justify-content: space-between;
  color: var(--text-secondary);
}

.visual-receipt-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-display);
  font-weight: 700;
}

.visual-total-amount {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.1rem;
}

/* Visual arrow */
.visual-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 0;
  color: var(--gradient-mid);
}

.arrow-dots {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.arrow-dots span {
  width: 4px;
  height: 4px;
  background: var(--gradient-mid);
  border-radius: 50%;
  opacity: 0.4;
  animation: pulse-dot 1.5s ease-in-out infinite;
}

.arrow-dots span:nth-child(2) { animation-delay: 0.3s; }
.arrow-dots span:nth-child(3) { animation-delay: 0.6s; }

@keyframes pulse-dot {
  0%, 100% { opacity: 0.2; transform: scale(0.8); }
  50% { opacity: 0.8; transform: scale(1.2); }
}

/* JSON output card */
.visual-json-card {
  width: 100%;
  background: #07070d;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.visual-json-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
}

.visual-json-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gradient-mid);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  padding: 2px 8px;
  border-radius: 4px;
}

.visual-json-status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--green);
}

.visual-json-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  padding: 14px 16px;
  white-space: pre;
  line-height: 1.7;
  min-height: 120px;
}

/* =============================================
   HERO STATS STRIP
   ============================================= */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 24px 40px;
  flex-wrap: wrap;
  row-gap: 1rem;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 32px;
  gap: 4px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  flex-shrink: 0;
}

/* =============================================
   SECTION LAYOUT HELPERS
   ============================================= */
.section-inner {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--gradient-mid);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

/* =============================================
   FEATURES / HOW IT WORKS SECTION
   ============================================= */
.features-section {
  position: relative;
  z-index: 1;
  padding: 100px 0;
}

.how-steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  max-width: 720px;
  margin: 0 auto;
}

.how-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  align-items: start;
  width: 100%;
  padding: 32px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.how-step:hover {
  border-color: rgba(139, 92, 246, 0.25);
  transform: translateY(-2px);
}

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

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  /* Fallback: use accent color on older browsers */
  color: var(--gradient-mid);
}

/* Workaround: number wrap gets a gradient border */
.step-number-wrap::before {
  display: none; /* Simplified — use box-shadow or border */
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.step-body {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.step-code-snippet {
  background: #07070d;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  overflow-x: auto;
}

.step-code-snippet pre {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.7;
  white-space: pre;
}

.step-code-snippet code {
  font-family: var(--font-mono);
}

.step-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--gradient-mid);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
  padding: 3px 10px;
  border-radius: 100px;
}

/* Step connector */
.step-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 6px 0;
  color: var(--border-hover);
}

.connector-line {
  width: 1px;
  height: 24px;
  background: var(--border);
}

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

/* =============================================
   DEMO SECTION
   ============================================= */
.demo-section {
  position: relative;
  z-index: 1;
  padding: 100px 0;
  background: rgba(255,255,255,0.01);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.demo-container {
  display: grid;
  grid-template-columns: 1fr 64px 1fr;
  gap: 0;
  align-items: start;
  margin-top: 0;
}

/* =============================================
   PANELS (shared by upload + output)
   ============================================= */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  transition: border-color 0.3s ease;
}

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

.panel-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  margin-bottom: 20px;
  text-transform: uppercase;
}

/* =============================================
   SAMPLE BUTTONS
   ============================================= */
.samples-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.samples-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.sample-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.82rem;
  padding: 5px 12px;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sample-btn:hover {
  border-color: var(--border-active);
  color: var(--gradient-mid);
  background: var(--accent-dim);
}

.sample-btn.active {
  border-color: var(--gradient-mid);
  color: var(--gradient-mid);
  background: var(--accent-dim);
}

/* =============================================
   DROP ZONE
   ============================================= */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  margin-bottom: 20px;
  background: rgba(255,255,255,0.01);
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--gradient-mid);
  background: var(--accent-dim);
}

.dropzone-icon {
  color: var(--text-muted);
  margin-bottom: 14px;
  transition: color 0.2s ease;
}

.dropzone:hover .dropzone-icon,
.dropzone.dragover .dropzone-icon {
  color: var(--gradient-mid);
}

.dropzone-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.dropzone-subtext {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.btn-upload {
  display: inline-block;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 8px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-upload:hover {
  border-color: var(--gradient-mid);
  color: var(--gradient-mid);
}

/* =============================================
   PREVIEW AREA
   ============================================= */
.preview-area {
  position: relative;
  margin-bottom: 20px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.preview-area img {
  width: 100%;
  max-height: 280px;
  object-fit: contain;
  background: #0d0d15;
  display: block;
}

.btn-clear {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(0,0,0,0.7);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  backdrop-filter: blur(8px);
}

.btn-clear:hover {
  color: var(--red);
  border-color: var(--red);
}

/* =============================================
   PARSE BUTTON
   ============================================= */
.btn-parse {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--gradient);
  color: #fff;
  border: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 24px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  letter-spacing: 0.01em;
}

.btn-parse:hover:not(:disabled) {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--gradient-glow);
}

.btn-parse:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  transform: none;
}

.btn-parse.loading {
  opacity: 0.7;
  cursor: wait;
}

.btn-parse-arrow {
  font-size: 1.1rem;
  transition: transform 0.2s ease;
}

.btn-parse:hover:not(:disabled) .btn-parse-arrow {
  transform: translateX(4px);
}

/* =============================================
   ERROR MESSAGE
   ============================================= */
.error-msg {
  margin-top: 12px;
  padding: 12px 16px;
  background: var(--red-dim);
  border: 1px solid rgba(248, 113, 113, 0.3);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--red);
  font-family: var(--font-mono);
}

/* =============================================
   PANEL ARROW (CONNECTOR)
   ============================================= */
.panel-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 120px;
}

.arrow-track {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.arrow-dot {
  width: 5px;
  height: 5px;
  background: var(--gradient-mid);
  border-radius: 50%;
  opacity: 0.3;
  animation: pulse-dot 1.5s ease-in-out infinite;
}

.arrow-dot:nth-child(2) { animation-delay: 0.3s; }
.arrow-dot:nth-child(3) { animation-delay: 0.6s; }

/* =============================================
   OUTPUT PANEL: IDLE STATE
   ============================================= */
.output-idle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  gap: 12px;
}

.idle-icon {
  font-family: var(--font-mono);
  font-size: 3rem;
  color: var(--text-muted);
  opacity: 0.4;
}

.idle-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* =============================================
   OUTPUT PANEL: LOADING STATE
   ============================================= */
.output-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  gap: 20px;
}

.loader-bars {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 36px;
}

.loader-bars span {
  display: block;
  width: 6px;
  background: var(--gradient-mid);
  border-radius: 3px;
  animation: bar-bounce 1s ease-in-out infinite;
}

.loader-bars span:nth-child(1) { animation-delay: 0s; }
.loader-bars span:nth-child(2) { animation-delay: 0.1s; }
.loader-bars span:nth-child(3) { animation-delay: 0.2s; }
.loader-bars span:nth-child(4) { animation-delay: 0.3s; }
.loader-bars span:nth-child(5) { animation-delay: 0.4s; }

@keyframes bar-bounce {
  0%, 100% { height: 8px; opacity: 0.3; }
  50% { height: 32px; opacity: 1; }
}

.loading-text {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.loading-dots::after {
  content: '';
  animation: dots 1.5s infinite;
}

@keyframes dots {
  0% { content: ''; }
  33% { content: '.'; }
  66% { content: '..'; }
  100% { content: '...'; }
}

/* =============================================
   OUTPUT PANEL: RESULT STATE
   ============================================= */
.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.result-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--green);
  background: var(--green-dim);
  border: 1px solid rgba(74, 222, 128, 0.3);
  padding: 4px 12px;
  border-radius: 100px;
}

.result-time {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--text-muted);
}

/* Result field cards */
.result-cards {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.result-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  animation: slideIn 0.3s ease both;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.card-key {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
  padding-top: 2px;
  min-width: 100px;
}

.card-value {
  font-size: 0.9rem;
  color: var(--text-primary);
  text-align: right;
  word-break: break-word;
}

.card-value.highlight {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
}

.line-items-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: right;
}

.line-items-list li {
  font-size: 0.83rem;
  color: var(--text-secondary);
}

/* JSON block */
.json-block {
  background: #07070d;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 20px;
  overflow: auto;
  max-height: 220px;
  position: relative;
}

.btn-copy-json {
  position: absolute;
  top: 10px;
  right: 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 3px 10px;
  cursor: pointer;
  transition: all 0.15s ease;
  z-index: 1;
}

.btn-copy-json:hover {
  border-color: var(--gradient-mid);
  color: var(--gradient-mid);
}

.btn-copy-json.copied {
  border-color: var(--green);
  color: var(--green);
}

.json-block pre {
  font-family: var(--font-mono);
  font-size: 0.77rem;
  color: var(--text-secondary);
  white-space: pre;
  line-height: 1.7;
}

/* Post-parse CTA */
.result-cta {
  background: rgba(139, 92, 246, 0.06);
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: var(--radius);
  padding: 16px 20px;
  text-align: center;
}

.cta-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.btn-cta {
  display: inline-block;
  background: var(--gradient);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 10px 22px;
  border-radius: 8px;
  text-decoration: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.btn-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* =============================================
   PRICING SECTION
   ============================================= */
.pricing-section {
  position: relative;
  z-index: 1;
  padding: 100px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: stretch;
}

.pricing-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.pricing-card:hover {
  border-color: rgba(139, 92, 246, 0.25);
  transform: translateY(-3px);
}

/* Pro card gets gradient border treatment */
.pricing-card--pro {
  border: 1px solid transparent;
  background-clip: padding-box;
  position: relative;
}

.pricing-card--pro::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  padding: 1px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* Recommended badge */
.pricing-recommended {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.pricing-tier {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.price-amount {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.price-period {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.feature-check {
  color: var(--gradient-mid);
  font-size: 0.85rem;
  flex-shrink: 0;
}

/* Quote/highlight box */
.pricing-quote {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-style: italic;
  padding: 12px 14px;
  border-left: 2px solid rgba(139, 92, 246, 0.3);
  background: rgba(139, 92, 246, 0.04);
  border-radius: 0 var(--radius) var(--radius) 0;
  line-height: 1.5;
}

.pricing-quote--pro {
  border-left-color: var(--gradient-mid);
  background: rgba(139, 92, 246, 0.08);
  color: var(--text-secondary);
}

/* Pricing CTA button */
.btn-pricing {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  padding: 12px 20px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 0.01em;
}

.btn-pricing:hover {
  border-color: var(--gradient-mid);
  color: var(--gradient-mid);
  background: rgba(139, 92, 246, 0.06);
}

.btn-pricing--pro {
  background: var(--gradient);
  border: none;
  color: #fff;
}

.btn-pricing--pro:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px var(--gradient-glow);
  color: #fff;
  border: none;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 40px 2rem 28px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-tagline {
  font-size: 0.88rem;
  color: var(--text-muted);
  max-width: 280px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-link {
  font-size: 0.88rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--text-secondary);
}

.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* =============================================
   MODALS
   ============================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  width: 100%;
  max-width: 440px;
  animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.modal-close:hover {
  border-color: var(--red);
  color: var(--red);
}

.modal-plan-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
  display: block;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.modal-plan-price {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--gradient-mid);
  margin-bottom: 20px;
}

.modal-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 24px;
}

.modal-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.modal-features li::before {
  content: '✓';
  color: var(--gradient-mid);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.modal-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.modal-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  padding: 12px 14px;
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.2s ease;
  margin-bottom: 12px;
}

.modal-input:focus {
  border-color: var(--gradient-mid);
}

.modal-input::placeholder {
  color: var(--text-muted);
}

.modal-error {
  margin-bottom: 12px;
  padding: 10px 14px;
  background: var(--red-dim);
  border: 1px solid rgba(248, 113, 113, 0.3);
  border-radius: 8px;
  font-size: 0.82rem;
  color: var(--red);
  font-family: var(--font-mono);
}

.btn-modal-submit {
  width: 100%;
  background: var(--gradient);
  color: #fff;
  border: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 24px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.btn-modal-submit:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-modal-submit:disabled {
  opacity: 0.5;
  cursor: wait;
  transform: none;
}

/* Modal success state */
.modal-success-icon {
  font-size: 3rem;
  color: var(--gradient-mid);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent-dim);
  font-family: var(--font-display);
  font-weight: 700;
}

.modal-success-icon.success-green {
  color: var(--green);
  background: var(--green-dim);
}

.modal-success-body {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.modal-success-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: 24px;
}

.btn-modal-close-success {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 8px;
}

.btn-modal-close-success:hover {
  border-color: var(--border-hover);
  background: rgba(255,255,255,0.08);
}

/* =============================================
   MOBILE STICKY CTA BAR
   ============================================= */
.mobile-sticky-cta {
  display: none;
}

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to { opacity: 1; transform: translateY(0); }
}

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

  .hero-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-right {
    order: -1;
  }

  .hero-title {
    font-size: 2.8rem;
  }
}

/* =============================================
   RESPONSIVE — MOBILE (max-width: 768px)
   ============================================= */
@media (max-width: 768px) {
  /* Nav */
  .nav-links {
    display: none;
  }

  .btn-nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .header-inner {
    padding: 0 1.25rem;
  }

  /* Hero */
  .hero {
    padding: 60px 1.25rem 40px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 40px;
  }

  .hero-right {
    order: -1;
  }

  .hero-visual {
    max-width: 100%;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-stats {
    padding: 20px 24px;
    gap: 8px;
  }

  .stat {
    padding: 0 16px;
  }

  .stat-num {
    font-size: 1.15rem;
  }

  .stat-divider {
    height: 30px;
  }

  /* Sections */
  .section-inner {
    padding: 0 1.25rem;
  }

  .features-section,
  .demo-section,
  .pricing-section {
    padding: 70px 0;
  }

  /* How steps */
  .how-step {
    grid-template-columns: 1fr;
    gap: 1rem;
    text-align: center;
  }

  .step-number-wrap {
    justify-content: center;
  }

  /* Demo */
  .demo-container {
    grid-template-columns: minmax(0, 1fr);
  }

  .panel-arrow {
    flex-direction: row;
    padding-top: 0;
    padding: 12px 0;
    justify-content: center;
  }

  .arrow-track {
    flex-direction: row;
  }

  /* Pricing */
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 380px;
    margin: 0 auto;
  }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    gap: 1.5rem;
  }

  .footer-links {
    gap: 1.25rem;
  }

  /* Mobile sticky CTA */
  .mobile-sticky-cta {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 300;
    background: var(--bg-panel);
    border-top: 1px solid var(--border);
    padding: 10px 16px 14px;
    text-align: center;
  }

  .mobile-sticky-btn {
    display: block;
    background: var(--gradient);
    color: #fff;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    padding: 13px 20px;
    border-radius: var(--radius);
    text-decoration: none;
  }

  body {
    padding-bottom: 72px;
  }
}

/* =============================================
   RESPONSIVE — SMALL MOBILE (max-width: 480px)
   ============================================= */
@media (max-width: 480px) {
  .hero-stats {
    flex-direction: column;
    padding: 20px;
    gap: 12px;
  }

  .stat-divider {
    display: none;
  }

  .stat {
    padding: 0;
    flex-direction: row;
    justify-content: space-between;
    width: 100%;
    gap: 8px;
  }

  .stat-num {
    font-size: 1rem;
  }

  .pricing-grid {
    max-width: 100%;
  }

  .how-step {
    padding: 24px 20px;
  }
}