/* PartsTable — Ciridae-Inspired Minimalist Design */
/* Bold mono typography, monochrome base, precision aesthetic */

/* ============================================================================
   FONTS
   ============================================================================ */
/* Fonts loaded via <link> in HTML — no duplicate @import needed */

/* ============================================================================
   VARIABLES
   ============================================================================ */
:root {
  --white: #FFFFFF;
  --off-white: #F7F7F5;
  --light-gray: #EBEBEB;
  --mid-gray: #999999;
  --dark-gray: #555555;
  --near-black: #1A1A1A;
  --black: #0D0D0D;
  --charcoal: #141414;

  --accent: #0EA5E9;
  --accent-dark: #0284C7;
  --teal: #14B8A6;

  --font-mono: 'Roboto Mono', 'JetBrains Mono', monospace;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-data: 'JetBrains Mono', monospace;
  --font-display: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --transition: 0.3s var(--ease);
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--near-black);
  background: var(--white);
  overflow-x: hidden;
}

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

ul, ol {
  list-style: none;
}

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

/* ============================================================================
   FOCUS (Accessibility)
   ============================================================================ */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ============================================================================
   UTILITY
   ============================================================================ */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 4rem;
}

.label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--mid-gray);
}

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

.section-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--mid-gray);
  text-transform: uppercase;
}

/* ============================================================================
   NAVIGATION
   ============================================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--white);
  transition: all var(--transition);
}

.nav.scrolled {
  border-bottom: 1px solid var(--light-gray);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 4rem;
  max-width: 1400px;
  margin: 0 auto;
}

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

.nav-logo {
  height: 28px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dark-gray);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: all var(--transition);
}

.nav-links a:hover {
  color: var(--near-black);
  background: rgba(14, 165, 233, 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-color: rgba(14, 165, 233, 0.12);
  box-shadow: 0 2px 12px rgba(14, 165, 233, 0.08);
}

.nav-beta-btn {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--white);
  background: var(--accent);
  padding: 0.75rem 1.5rem;
  border-radius: 0;
  transition: all var(--transition);
}

.nav-beta-btn:hover {
  background: var(--accent-dark);
}

.nav-cta-login {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--near-black);
  background: #F59E0B;
  padding: 0.75rem 1.5rem;
  border-radius: 0;
  transition: all var(--transition);
}

.nav-cta-login:hover {
  background: #D97706;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  width: 24px;
  height: 1.5px;
  background: var(--near-black);
  transition: all 0.2s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

/* ============================================================================
   HERO
   ============================================================================ */
.hero {
  padding: 8rem 0 6rem;
  background: var(--white);
  min-height: 92vh;
  display: flex;
  align-items: center;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.hero-content {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s var(--ease) 0.2s forwards;
}

.hero-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-label::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--accent);
}

.hero-headline {
  font-family: var(--font-body);
  font-size: clamp(3rem, 5.5vw, 5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--black);
  margin-bottom: 2rem;
}

.hero-sub {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--dark-gray);
  max-width: 480px;
  margin-bottom: 1.5rem;
}

.hero-slogan {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--mid-gray);
  margin-bottom: 3rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.btn-start {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--white);
  background: var(--accent);
  padding: 1rem 2.5rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-block;
}

.btn-start:hover {
  background: var(--accent-dark);
}

.btn-ghost {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dark-gray);
  border-bottom: 1px solid var(--dark-gray);
  padding-bottom: 2px;
  transition: all var(--transition);
  display: inline-block;
}

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

/* Hero Mockup */
.hero-mockup {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s var(--ease) 0.5s forwards;
}

.mockup-window {
  background: var(--white);
  border: 1px solid var(--light-gray);
  overflow: hidden;
}

.mockup-titlebar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--light-gray);
  background: var(--off-white);
}

.mockup-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--light-gray);
}

.mockup-dot:nth-child(1) { background: #FF5F57; }
.mockup-dot:nth-child(2) { background: #FEBC2E; }
.mockup-dot:nth-child(3) { background: #28C840; }

.mockup-titlebar-text {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--mid-gray);
  margin-left: 0.75rem;
}

.mockup-body {
  padding: 1.5rem;
}

.mockup-search {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.25rem;
  border: 1px solid var(--light-gray);
  margin-bottom: 1.25rem;
  background: var(--off-white);
  transition: all var(--transition);
}

.mockup-search:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.mockup-search-icon {
  color: var(--mid-gray);
  flex-shrink: 0;
}

.mockup-search-input {
  flex: 1;
  font-family: var(--font-data);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--near-black);
  background: transparent;
  border: none;
  outline: none;
}

.mockup-search-input::placeholder {
  color: var(--mid-gray);
}

.mockup-search-text {
  font-family: var(--font-data);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--near-black);
}

.mockup-search-cursor {
  display: inline-block;
  width: 1px;
  height: 1.1em;
  background: var(--near-black);
  margin-left: 1px;
  animation: blink 1s step-end infinite;
}

.mockup-results {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.mockup-result {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--light-gray);
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.4s var(--ease);
}

.mockup-result:last-child {
  border-bottom: none;
}

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

.result-pn {
  font-family: var(--font-data);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--near-black);
}

.result-mfr {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--mid-gray);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 0.2rem;
}

.result-confidence {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.3rem;
  min-width: 120px;
}

.confidence-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--dark-gray);
}

.confidence-bar-track {
  width: 100%;
  height: 3px;
  background: var(--light-gray);
  overflow: hidden;
}

.confidence-bar-fill {
  height: 100%;
  background: var(--near-black);
  width: 0;
  transition: width 1.2s var(--ease);
}

.confidence-bar-fill.high { background: var(--near-black); }
.confidence-bar-fill.med { background: var(--dark-gray); }
.confidence-bar-fill.low { background: var(--mid-gray); }

.result-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--light-gray);
  color: var(--dark-gray);
}

.result-tag.match { border-color: var(--near-black); color: var(--near-black); }
.result-tag.alt { border-color: var(--dark-gray); color: var(--dark-gray); }
.result-tag.sub { border-color: var(--mid-gray); color: var(--mid-gray); }

/* ============================================================================
   TRUST BAR
   ============================================================================ */
.trust-bar {
  padding: 4rem 0;
  border-top: 1px solid var(--light-gray);
  border-bottom: 1px solid var(--light-gray);
  background: var(--white);
}

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

.trust-text {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--mid-gray);
  white-space: nowrap;
}

.trust-logos {
  display: flex;
  align-items: center;
  gap: 3rem;
  overflow: hidden;
}

.trust-logo {
  font-family: var(--font-body);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--light-gray);
  white-space: nowrap;
  transition: all var(--transition);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.trust-logo:hover {
  color: var(--mid-gray);
}

.trust-logo svg {
  height: 24px;
  width: auto;
  fill: var(--light-gray);
  transition: fill var(--transition);
}

.trust-logo:hover svg {
  fill: var(--mid-gray);
}

/* ============================================================================
   SERVICES (Numbered sections — Ciridae style)
   ============================================================================ */
.services {
  padding: 8rem 0;
  background: var(--off-white);
}

.services-header {
  margin-bottom: 5rem;
}

.services-title {
  font-family: var(--font-body);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--black);
  max-width: 600px;
}

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

.service-card {
  padding: 2rem;
  margin: -2rem;
  border-radius: 8px;
  transition: all var(--transition);
}

.service-card:hover {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

.service-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mid-gray);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--light-gray);
}

.service-name {
  font-family: var(--font-body);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--near-black);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.service-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--dark-gray);
}

/* ============================================================================
   COMPARISON (Problem / Solution)
   ============================================================================ */
.comparison {
  padding: 8rem 0;
  background: var(--white);
}

.comparison-header {
  margin-bottom: 5rem;
}

.comparison-title {
  font-family: var(--font-body);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--black);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.comparison-col {
  padding: 0;
}

.comparison-col-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--light-gray);
}

.comparison-col-label.old { color: var(--mid-gray); }
.comparison-col-label.new { color: var(--accent); }

.comparison-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0;
  padding: 1rem;
  border-radius: 6px;
  transition: all var(--transition);
}

.comparison-item:hover {
  background: var(--off-white);
}

.comparison-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.comparison-icon.bad { color: var(--mid-gray); }
.comparison-icon.good { color: var(--near-black); }

.comparison-text {
  font-size: 1rem;
  line-height: 1.6;
}

.comparison-col.old-col .comparison-text { color: var(--mid-gray); }
.comparison-col.new-col .comparison-text { color: var(--near-black); }

/* ============================================================================
   PROCESS (How It Works — numbered steps)
   ============================================================================ */
.process {
  padding: 8rem 0;
  background: var(--off-white);
}

.process-header {
  margin-bottom: 5rem;
}

.process-title {
  font-family: var(--font-body);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--black);
}

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

.process-step {
  position: relative;
  padding: 2rem;
  margin: -2rem;
  border-radius: 8px;
  transition: all var(--transition);
}

.process-step:hover {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

.process-step-number {
  font-family: var(--font-body);
  font-size: 4rem;
  font-weight: 700;
  color: var(--light-gray);
  line-height: 1;
  margin-bottom: 1.5rem;
}

.process-step-name {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--near-black);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.process-step-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--dark-gray);
}

/* ============================================================================
   METRICS
   ============================================================================ */
.metrics {
  padding: 8rem 0;
  background: var(--white);
  border-top: 1px solid var(--light-gray);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem;
}

.metric {
  text-align: left;
}

.metric-value {
  font-family: var(--font-body);
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 700;
  color: var(--black);
  line-height: 1;
  margin-bottom: 0.75rem;
  letter-spacing: -0.03em;
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mid-gray);
}

.metrics-slogan {
  margin-top: 4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--mid-gray);
}

/* ============================================================================
   DEMO / TRY IT — BLUE GLASS CHAT PANEL
   ============================================================================ */
.demo {
  padding: 8rem 0;
  background: radial-gradient(ellipse at center, rgba(14, 165, 233, 0.12) 0%, var(--charcoal) 60%);
  position: relative;
}

.demo-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.demo-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
  margin: 0.5rem 0 1rem;
}

.demo-sub {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--mid-gray);
}

/* Chat Container - Glassmorphism */
.demo-box {
  max-width: 900px;
  margin: 0 auto;
  padding: 0;
  background: rgba(14, 165, 233, 0.08);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(14, 165, 233, 0.2);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Chat Messages Area */
.demo-chat-messages {
  padding: 2.5rem;
  min-height: 300px;
  max-height: 500px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Welcome Bubble */
.demo-welcome {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  animation: slideInLeft 0.5s var(--ease);
}

.demo-welcome-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  flex-shrink: 0;
}

.demo-welcome-bubble {
  background: rgba(14, 165, 233, 0.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(14, 165, 233, 0.25);
  border-radius: 16px;
  padding: 1.25rem 1.5rem;
  max-width: 80%;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--white);
}

.demo-welcome-bubble strong {
  color: var(--accent);
  font-weight: 600;
}

/* Input Area */
.demo-form {
  border-top: 1px solid rgba(14, 165, 233, 0.15);
  padding: 1.5rem 2rem;
  background: rgba(0, 0, 0, 0.2);
}

.demo-input-group {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  position: relative;
}

.demo-input {
  flex: 1;
  padding: 1rem 1.5rem;
  background: rgba(14, 165, 233, 0.08);
  border: 1px solid rgba(14, 165, 233, 0.2);
  border-radius: 12px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--white);
  transition: all 0.25s;
  animation: pulse 2s ease-in-out infinite;
}

.demo-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
  animation: none;
}

.demo-input::placeholder {
  color: var(--mid-gray);
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(14, 165, 233, 0.4);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(14, 165, 233, 0);
  }
}

.demo-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem;
  width: 44px;
  height: 44px;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 50%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  cursor: pointer;
  transition: all 0.25s;
  flex-shrink: 0;
}

.demo-btn-text {
  display: none;
}

.demo-btn:hover:not(:disabled) {
  background: var(--accent-dark);
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.4);
}

.demo-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.demo-btn-icon {
  transition: transform 0.25s;
  width: 20px;
  height: 20px;
}

.demo-btn:hover:not(:disabled) .demo-btn-icon {
  transform: translateX(2px);
}

/* Result Card - Chat Response Style */
.demo-result {
  margin-top: 0;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  animation: slideInRight 0.5s var(--ease);
}

.demo-result-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mid-gray);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.demo-result-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  padding: 1.5rem;
  max-width: 80%;
  flex: 1;
}

.demo-result-header {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.demo-result-pn {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0;
  letter-spacing: -0.01em;
}

.demo-result-confidence {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.demo-result-confidence.verified {
  background: rgba(16, 185, 129, 0.2);
  color: #10B981;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.demo-result-confidence.probable {
  background: rgba(59, 130, 246, 0.2);
  color: #3B82F6;
  border: 1px solid rgba(59, 130, 246, 0.4);
}

.demo-result-confidence.possible {
  background: rgba(245, 158, 11, 0.2);
  color: #F59E0B;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.demo-result-confidence.unverified {
  background: rgba(239, 68, 68, 0.2);
  color: #EF4444;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.demo-result-body {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.demo-result-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.demo-result-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--mid-gray);
  text-transform: uppercase;
}

.demo-result-value {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--white);
  font-weight: 500;
}

/* Graceful offline message - blue glass aesthetic */
.demo-offline-message {
  padding: 1.5rem;
  background: rgba(14, 165, 233, 0.08);
  border: 1px solid rgba(14, 165, 233, 0.2);
  border-radius: 12px;
}

.demo-offline-title {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.demo-offline-text {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--mid-gray);
  line-height: 1.6;
  margin: 0;
}

.demo-offline-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.demo-offline-link:hover {
  border-bottom-color: var(--accent);
}

/* Try it hint - subtle invitation to interact */
.demo-try-hint {
  position: absolute;
  top: -3rem;
  left: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s var(--ease);
}

.demo-try-hint.visible {
  opacity: 1;
}

.demo-try-text {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
  text-shadow: 0 0 8px rgba(14, 165, 233, 0.4);
  letter-spacing: 0.02em;
}

.demo-try-arrow {
  font-size: 1.25rem;
  color: var(--accent);
  margin-left: 0.5rem;
  animation: bounce-arrow 1.5s ease-in-out infinite;
}

@keyframes bounce-arrow {
  0%, 100% {
    transform: translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateY(4px);
    opacity: 0.6;
  }
}

/* Input glow pulse - draws attention to the input */
.demo-input.glow-pulse {
  animation: glow-pulse 2s ease-in-out 3;
}

@keyframes glow-pulse {
  0%, 100% {
    border-color: rgba(14, 165, 233, 0.2);
    box-shadow: 0 0 0 0 rgba(14, 165, 233, 0);
  }
  50% {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.2),
                0 0 12px rgba(14, 165, 233, 0.3);
  }
}

/* Legacy error styling - kept for backwards compatibility */
.demo-result-error {
  padding: 1.25rem;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 12px;
  color: #EF4444;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
}

.demo-note {
  margin-top: 0;
  padding: 1rem 2rem;
  background: rgba(14, 165, 233, 0.06);
  border-top: 1px solid rgba(14, 165, 233, 0.15);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--mid-gray);
  text-align: center;
  border-radius: 0;
}

.demo-note strong {
  color: var(--white);
}

.demo-note-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

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

.demo-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 2rem;
  color: var(--mid-gray);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.demo-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid rgba(14, 165, 233, 0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

/* ============================================================================
   CTA
   ============================================================================ */
.cta {
  padding: 8rem 0;
  background: var(--near-black);
  color: var(--white);
}

.cta-inner {
  max-width: 700px;
}

.cta-headline {
  font-family: var(--font-body);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 1.5rem;
}

.cta-sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--mid-gray);
  margin-bottom: 3rem;
}

.cta-form {
  display: flex;
  gap: 0;
  margin-bottom: 2rem;
}

.cta-input {
  flex: 1;
  padding: 1rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1px solid rgba(255,255,255,0.15);
  border-right: none;
  background: transparent;
  color: var(--white);
  outline: none;
  transition: border-color var(--transition);
}

.cta-input::placeholder {
  color: var(--dark-gray);
}

.cta-input:focus {
  border-color: var(--accent);
}

.cta-btn {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 1rem 2rem;
  background: var(--white);
  color: var(--near-black);
  border: 1px solid var(--white);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.cta-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
}

.cta-note {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--dark-gray);
}

.cta-slogan {
  margin-top: 3rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--dark-gray);
}

/* ============================================================================
   FOOTER
   ============================================================================ */
.footer {
  padding: 4rem 0 3rem;
  background: var(--black);
  color: rgba(255,255,255,0.5);
}

.footer-upper {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-logo {
  height: 24px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.8;
}

.footer-slogan {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.35);
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.7);
  margin-bottom: 1.25rem;
}

.footer-col-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  transition: color var(--transition);
}

.footer-col-links a:hover {
  color: rgba(255,255,255,0.9);
}

.footer-coming-soon {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.2);
  cursor: default;
}

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

.footer-copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.25);
}

.footer-est {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.25);
}

/* ============================================================================
   ANIMATIONS
   ============================================================================ */
/* Page entrance */
@keyframes pageIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

body {
  animation: pageIn 0.6s ease forwards;
}

/* Scroll to top */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--near-black);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  z-index: 900;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(14, 165, 233, 0.25);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s var(--ease);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.reveal .service-card:nth-child(1),
.reveal .process-step:nth-child(1) { transition-delay: 0s; }
.reveal .service-card:nth-child(2),
.reveal .process-step:nth-child(2) { transition-delay: 0.1s; }
.reveal .service-card:nth-child(3),
.reveal .process-step:nth-child(3) { transition-delay: 0.2s; }
.reveal .service-card:nth-child(4) { transition-delay: 0.3s; }

/* ============================================================================
   RESPONSIVE — TABLET
   ============================================================================ */
@media (max-width: 1100px) {
  .container {
    padding: 0 2.5rem;
  }

  .nav-inner {
    padding: 1.25rem 2.5rem;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  .hero {
    padding: 7rem 0 4rem;
    min-height: auto;
  }

  .hero-headline {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
  }

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

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }

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

/* ============================================================================
   RESPONSIVE — MOBILE
   ============================================================================ */
@media (max-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }

  .nav-inner {
    padding: 1rem 1.5rem;
  }

  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--light-gray);
    padding: 1rem 1.5rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-links a {
    display: block;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--light-gray);
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  .nav-beta-btn,
  .nav-cta-login {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 6rem 0 3rem;
  }

  .hero-headline {
    font-size: 2.25rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .services, .comparison, .process, .metrics, .demo, .cta {
    padding: 5rem 0;
  }

  .demo-title {
    font-size: 2rem;
  }

  .demo-chat-messages {
    padding: 1.75rem;
    min-height: 250px;
  }

  .demo-welcome-bubble {
    max-width: 100%;
  }

  .demo-result-card {
    max-width: 100%;
  }

  .demo-result-body {
    grid-template-columns: 1fr;
  }

  .demo-form {
    padding: 1.25rem 1.5rem;
  }

  .services-grid,
  .process-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

  .metrics-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .trust-inner {
    flex-direction: column;
    gap: 2rem;
    text-align: center;
  }

  .trust-logos {
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
  }

  .cta-form {
    flex-direction: column;
  }

  .cta-input {
    border-right: 1px solid rgba(255,255,255,0.15);
  }

  .footer-upper {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

}