/**
 * ATLAS Landing Page - Styles
 * ===========================
 * Following design-system.ts specifications
 * Aesthetic: Cyberpunk / Sci-Fi / Holographic
 * Theme: Dark with Emerald accents
 */

/* ============================================
   CSS VARIABLES (from design-system.ts)
   ============================================ */

:root {
  /* Background */
  --bg-primary: #080810;
  --bg-secondary: #0c0c18;
  --bg-card: rgba(255, 255, 255, 0.02);
  --bg-card-hover: rgba(255, 255, 255, 0.04);

  /* Text */
  --text-primary: rgba(255, 255, 255, 0.9);
  --text-secondary: rgba(255, 255, 255, 0.6);
  --text-muted: rgba(255, 255, 255, 0.4);
  --text-subtle: rgba(255, 255, 255, 0.25);
  --text-ghost: rgba(255, 255, 255, 0.2);

  /* Accent (Emerald) */
  --accent-primary: #10b981;
  --accent-light: #6ee7b7;
  --accent-lighter: #a7f3d0;
  --accent-dark: #065f46;
  --accent-darker: #064e3b;
  --accent-70: rgba(16, 185, 129, 0.7);
  --accent-60: rgba(16, 185, 129, 0.6);
  --accent-50: rgba(16, 185, 129, 0.5);
  --accent-30: rgba(16, 185, 129, 0.3);
  --accent-20: rgba(16, 185, 129, 0.2);
  --accent-10: rgba(16, 185, 129, 0.1);

  /* Borders */
  --border-default: rgba(255, 255, 255, 0.1);
  --border-hover: rgba(16, 185, 129, 0.3);
  --border-subtle: rgba(255, 255, 255, 0.05);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Orbitron', monospace;
  --font-mono: ui-monospace, 'SF Mono', monospace;

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

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-default: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: all 0.15s ease-out;
  --transition-slow: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Z-Index */
  --z-base: 0;
  --z-content: 10;
  --z-overlay: 40;
  --z-hud: 50;
  --z-noise: 100;
  --z-cursor: 9999;
}

/* ============================================
   RESET & BASE
   ============================================ */

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

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

body {
  font-family: var(--font-primary);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  min-height: 100vh;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ============================================
   BACKGROUND EFFECTS
   ============================================ */

.noise {
  position: fixed;
  inset: 0;
  z-index: var(--z-noise);
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.gradient-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(16, 185, 129, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(20, 25, 50, 0.4) 0%, transparent 60%),
    radial-gradient(ellipse 50% 30% at 20% 40%, rgba(15, 25, 40, 0.3) 0%, transparent 50%),
    var(--bg-primary);
}

.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-10) 0%, transparent 70%);
  pointer-events: none;
  z-index: var(--z-cursor);
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

@media (hover: hover) {
  .cursor-glow.active {
    opacity: 1;
  }
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-hud);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-8);
  background: rgba(8, 8, 16, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

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

.brand-icon {
  width: 28px;
  height: 28px;
  color: var(--accent-primary);
}

.brand-icon svg {
  width: 100%;
  height: 100%;
}

.brand-text {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  gap: var(--space-8);
}

.nav-link {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-primary);
  transition: var(--transition-default);
}

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

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  border: 1px solid var(--accent-30);
  border-radius: var(--radius-full);
  transition: var(--transition-default);
}

.nav-cta svg {
  width: 14px;
  height: 14px;
  transition: transform 0.3s ease;
}

.nav-cta:hover {
  background: var(--accent-10);
  border-color: var(--accent-50);
}

.nav-cta:hover svg {
  transform: translateX(4px);
}

@media (max-width: 768px) {
  .nav {
    padding: var(--space-3) var(--space-4);
  }

  .nav-links {
    display: none;
  }
}

/* ============================================
   MAIN CONTENT
   ============================================ */

.main {
  padding-top: 80px;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  min-height: calc(100vh - 80px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding: var(--space-16) var(--space-8);
  max-width: 1400px;
  margin: 0 auto;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-full);
  width: fit-content;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.title-line {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 500;
  letter-spacing: 0.05em;
  line-height: 1.1;
  color: var(--text-primary);
}

.title-line.accent {
  color: var(--accent-primary);
  text-shadow: 0 0 40px var(--accent-30);
}

.hero-description {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  background: var(--accent-primary);
  color: var(--bg-primary);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  border-radius: var(--radius-md);
  transition: var(--transition-default);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.btn-primary:hover::before {
  transform: translateX(100%);
}

.btn-primary svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px var(--accent-30);
}

.btn-primary:hover svg {
  transform: translateX(4px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  transition: var(--transition-default);
}

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

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-subtle);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  color: var(--accent-primary);
  letter-spacing: 0.05em;
}

.stat-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

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

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.terminal {
  width: 100%;
  max-width: 400px;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow:
    0 0 0 1px var(--border-subtle),
    0 20px 60px rgba(0, 0, 0, 0.4);
  animation: float 6s ease-in-out infinite;
}

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

.terminal-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-dots {
  display: flex;
  gap: var(--space-2);
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-subtle);
}

.terminal-dots span:first-child { background: #ef4444; }
.terminal-dots span:nth-child(2) { background: #f59e0b; }
.terminal-dots span:last-child { background: #10b981; }

.terminal-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.terminal-body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 200px;
}

.message {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  max-width: 90%;
  animation: messageIn 0.5s ease-out;
}

@keyframes messageIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message.incoming {
  background: rgba(255, 255, 255, 0.05);
  align-self: flex-start;
}

.message.outgoing {
  background: var(--accent-20);
  align-self: flex-end;
  border: 1px solid var(--accent-30);
}

.message-author {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-primary);
  letter-spacing: 0.05em;
}

.message.incoming .message-author {
  color: var(--text-muted);
}

.message-text {
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.5;
}

.message-time {
  font-size: 10px;
  color: var(--text-subtle);
  align-self: flex-end;
}

.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 4px 0;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  background: var(--accent-primary);
  border-radius: 50%;
  animation: typing 1.4s ease-in-out infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* Floating Cards */
.floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  backdrop-filter: blur(8px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.floating-card svg {
  width: 16px;
  height: 16px;
  color: var(--accent-primary);
}

.fc-1 {
  top: 10%;
  right: 5%;
  animation: floatCard1 8s ease-in-out infinite;
}

.fc-2 {
  bottom: 30%;
  left: 0;
  animation: floatCard2 7s ease-in-out infinite;
}

.fc-3 {
  bottom: 10%;
  right: 10%;
  animation: floatCard3 9s ease-in-out infinite;
}

@keyframes floatCard1 {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(-10px, -15px) rotate(2deg); }
}

@keyframes floatCard2 {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(10px, -10px) rotate(-2deg); }
}

@keyframes floatCard3 {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(-5px, -20px) rotate(1deg); }
}

@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-12);
  }

  .hero-content {
    align-items: center;
  }

  .hero-description {
    max-width: 600px;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .floating-card {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: var(--space-8) var(--space-4);
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}

/* ============================================
   SECTION STYLES
   ============================================ */

section {
  padding: var(--space-20) var(--space-8);
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.section-description {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

/* ============================================
   FEATURES SECTION
   ============================================ */

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

.feature-card {
  position: relative;
  padding: var(--space-8);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  transition: var(--transition-default);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-10);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  transition: var(--transition-default);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  color: var(--accent-primary);
}

.feature-card:hover .feature-icon {
  background: var(--accent-20);
  transform: scale(1.05);
}

.feature-title {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.feature-description {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.feature-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--accent-10);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 500;
  color: var(--accent-primary);
  letter-spacing: 0.05em;
}

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   HOW IT WORKS SECTION
   ============================================ */

.workflow {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 600px;
  margin: 0 auto var(--space-16);
}

.workflow-step {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-6);
  align-items: center;
  padding: var(--space-6);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  transition: var(--transition-default);
}

.workflow-step:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
}

.step-number {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 600;
  color: var(--accent-30);
  letter-spacing: 0.1em;
}

.workflow-step:hover .step-number {
  color: var(--accent-50);
}

.step-content h3 {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.step-content p {
  font-size: 13px;
  color: var(--text-secondary);
}

.step-visual {
  display: flex;
  align-items: center;
}

.step-visual code {
  padding: var(--space-2) var(--space-3);
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-light);
}

.processing-animation {
  display: flex;
  gap: 6px;
}

.proc-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-primary);
  border-radius: 50%;
  animation: procPulse 1.5s ease-in-out infinite;
}

.proc-dot:nth-child(2) { animation-delay: 0.2s; }
.proc-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes procPulse {
  0%, 100% { opacity: 0.3; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.2); }
}

.response-badge {
  padding: var(--space-2) var(--space-3);
  background: var(--accent-20);
  border: 1px solid var(--accent-30);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  color: var(--accent-primary);
}

.workflow-connector {
  display: flex;
  justify-content: center;
  padding: var(--space-2) 0;
  color: var(--text-subtle);
}

.workflow-connector svg {
  width: 20px;
  height: 20px;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

/* Commands Showcase */
.commands-showcase {
  text-align: center;
}

.commands-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

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

.command-card {
  padding: var(--space-4);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  transition: var(--transition-default);
}

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

.command-category {
  display: block;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: var(--space-2);
}

.command-card code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .workflow-step {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-4);
  }

  .step-number {
    font-size: 24px;
  }

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

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

/* ============================================
   METRICS SECTION
   ============================================ */

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.metric-card {
  padding: var(--space-6);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition-default);
}

.metric-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.metric-card.large {
  grid-column: span 1;
}

.metric-value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
  margin-bottom: var(--space-2);
}

.metric-prefix {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--accent-primary);
}

.metric-number {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 600;
  color: var(--accent-primary);
  letter-spacing: 0.05em;
}

.metric-unit {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--accent-60);
}

.metric-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.metric-comparison {
  font-size: 11px;
  color: var(--text-muted);
}

/* Tech Stack */
.tech-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.tech-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

.tech-logos {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
}

.tech-item {
  padding: var(--space-2) var(--space-4);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.tech-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  color: var(--text-secondary);
}

@media (max-width: 1024px) {
  .metrics-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .metric-card.large {
    grid-column: span 3;
  }
}

@media (max-width: 640px) {
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric-card.large {
    grid-column: span 2;
  }

  .metric-number {
    font-size: 28px;
  }
}

/* ============================================
   USE CASES SECTION
   ============================================ */

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

.use-case-card {
  padding: var(--space-6);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition-default);
}

.use-case-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.use-case-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-10);
  border-radius: 50%;
  margin: 0 auto var(--space-4);
  transition: var(--transition-default);
}

.use-case-icon svg {
  width: 28px;
  height: 28px;
  color: var(--accent-primary);
}

.use-case-card:hover .use-case-icon {
  background: var(--accent-20);
  transform: scale(1.1);
}

.use-case-card h3 {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.use-case-card p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
}

@media (max-width: 1024px) {
  .use-cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .use-cases-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta {
  position: relative;
  text-align: center;
  padding: var(--space-20) var(--space-8);
  margin: var(--space-16) var(--space-8);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
  max-width: 1000px;
}

.cta-pattern {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, var(--accent-10) 0%, transparent 40%),
    radial-gradient(circle at 80% 20%, var(--accent-10) 0%, transparent 40%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.cta-description {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto var(--space-8);
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin-bottom: var(--space-8);
}

.btn-primary.large, .btn-secondary.large {
  padding: var(--space-5) var(--space-8);
  font-size: 14px;
}

.btn-primary svg {
  width: 20px;
  height: 20px;
}

.cta-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  font-size: 13px;
  color: var(--text-muted);
}

.cta-badge {
  padding: var(--space-1) var(--space-3);
  background: var(--accent-10);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 500;
  color: var(--accent-primary);
  letter-spacing: 0.05em;
}

.cta-separator {
  color: var(--text-subtle);
}

@media (max-width: 640px) {
  .cta {
    margin: var(--space-8) var(--space-4);
  }

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

  .btn-primary.large, .btn-secondary.large {
    width: 100%;
    justify-content: center;
  }

  .cta-footer {
    flex-wrap: wrap;
  }
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-8);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-muted);
}

.footer-brand .brand-icon {
  width: 20px;
  height: 20px;
}

.footer-brand span:last-child {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.15em;
}

.footer-links {
  display: flex;
  gap: var(--space-6);
}

.footer-links a {
  font-size: 13px;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

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

.footer-copy {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 12px;
  color: var(--text-subtle);
}

.heart {
  color: var(--accent-primary);
  animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

.author-link {
  color: var(--text-subtle);
  text-decoration: none;
  transition: color 0.3s ease;
}

.author-link:hover {
  color: var(--accent-primary);
}

@media (max-width: 768px) {
  .footer-content {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .footer-links {
    gap: var(--space-4);
  }
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */

[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
[data-animate-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

[data-animate-stagger].visible > * {
  opacity: 1;
  transform: translateY(0);
}

[data-animate-stagger].visible > *:nth-child(1) { transition-delay: 0.1s; }
[data-animate-stagger].visible > *:nth-child(2) { transition-delay: 0.2s; }
[data-animate-stagger].visible > *:nth-child(3) { transition-delay: 0.3s; }
[data-animate-stagger].visible > *:nth-child(4) { transition-delay: 0.4s; }
[data-animate-stagger].visible > *:nth-child(5) { transition-delay: 0.5s; }
[data-animate-stagger].visible > *:nth-child(6) { transition-delay: 0.6s; }

/* ============================================
   UTILITY CLASSES
   ============================================ */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================
   LEAD CAPTURE MODAL
   ============================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background: rgba(8, 8, 16, 0.9);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.modal {
  position: relative;
  width: 100%;
  max-width: 420px;
  padding: var(--space-10);
  background: var(--bg-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  box-shadow:
    0 0 0 1px var(--border-subtle),
    0 25px 80px rgba(0, 0, 0, 0.5),
    0 0 100px var(--accent-10);
  transform: scale(0.95) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.modal-close:hover {
  color: var(--text-primary);
  background: var(--bg-card);
}

.modal-close svg {
  width: 18px;
  height: 18px;
}

.modal-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.modal-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  background: var(--accent-10);
  border: 1px solid var(--accent-30);
  border-radius: 50%;
  color: var(--accent-primary);
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px var(--accent-10);
  }
  50% {
    box-shadow: 0 0 40px var(--accent-20);
  }
}

.modal-icon svg {
  width: 28px;
  height: 28px;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.modal-description {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.form-group .optional {
  color: var(--text-muted);
  font-weight: 400;
}

.form-group input {
  width: 100%;
  padding: var(--space-4);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 14px;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.form-group input::placeholder {
  color: var(--text-subtle);
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-10);
}

.form-group input:invalid:not(:placeholder-shown) {
  border-color: #ef4444;
}

.modal-submit {
  width: 100%;
  justify-content: center;
  margin-top: var(--space-2);
  padding: var(--space-4) var(--space-6);
}

.modal-submit.loading {
  pointer-events: none;
  opacity: 0.7;
}

.modal-submit.loading span {
  opacity: 0;
}

.modal-submit.loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--bg-primary);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.form-disclaimer {
  font-size: 11px;
  color: var(--text-subtle);
  text-align: center;
}

/* Success State */
.modal-success {
  display: none;
  text-align: center;
  padding: var(--space-6) 0;
}

.modal-success.show {
  display: block;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-form.hidden {
  display: none;
}

.success-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  background: var(--accent-20);
  border: 2px solid var(--accent-primary);
  border-radius: 50%;
  color: var(--accent-primary);
  animation: success-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes success-pop {
  0% { transform: scale(0); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.success-icon svg {
  width: 32px;
  height: 32px;
}

.modal-success h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--accent-primary);
  margin-bottom: var(--space-2);
}

.modal-success p {
  font-size: 14px;
  color: var(--text-secondary);
}

@media (max-width: 480px) {
  .modal {
    padding: var(--space-6);
  }

  .modal-title {
    font-size: 20px;
  }
}

/* ============================================
   KANBAN SECTION
   ============================================ */

.kanban-section {
  padding: var(--space-20) var(--space-8);
  max-width: 1400px;
  margin: 0 auto;
}

.kanban-container {
  position: relative;
}

.kanban-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.kanban-column {
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  min-height: 400px;
  transition: var(--transition-default);
}

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

.kanban-column-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
}

.column-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.column-dot.todo {
  background: #f59e0b;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.4);
}

.column-dot.progress {
  background: #3b82f6;
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.4);
}

.column-dot.done {
  background: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-30);
}

.kanban-column-header h4 {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  flex: 1;
}

.column-count {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}

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

.kanban-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  cursor: pointer;
  transition: var(--transition-default);
  animation: cardSlideIn 0.5s ease-out backwards;
}

.kanban-card[data-delay="1"] { animation-delay: 0.1s; }
.kanban-card[data-delay="2"] { animation-delay: 0.2s; }
.kanban-card[data-delay="3"] { animation-delay: 0.3s; }
.kanban-card[data-delay="4"] { animation-delay: 0.4s; }
.kanban-card[data-delay="5"] { animation-delay: 0.5s; }
.kanban-card[data-delay="6"] { animation-delay: 0.6s; }
.kanban-card[data-delay="7"] { animation-delay: 0.7s; }

@keyframes cardSlideIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.kanban-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.kanban-card.completed {
  opacity: 0.7;
}

.kanban-card.completed .card-task {
  text-decoration: line-through;
  color: var(--text-muted);
}

.card-source {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.card-source svg {
  width: 14px;
  height: 14px;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.card-source span {
  font-size: 11px;
  font-weight: 500;
  color: var(--accent-primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-task {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: var(--space-3);
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.card-assignee {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  padding: var(--space-1) var(--space-2);
  background: var(--bg-card);
  border-radius: var(--radius-sm);
}

.card-date {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-subtle);
  letter-spacing: 0.05em;
}

/* Auto badge */
.kanban-auto-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background: var(--accent-10);
  border: 1px solid var(--accent-30);
  border-radius: var(--radius-full);
  width: fit-content;
  margin: 0 auto;
}

.auto-badge-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  animation: pulse 2s ease-in-out infinite;
}

.auto-badge-icon svg {
  width: 18px;
  height: 18px;
}

.kanban-auto-badge span {
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-light);
  letter-spacing: 0.02em;
}

/* Responsive Kanban */
@media (max-width: 1024px) {
  .kanban-board {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .kanban-column {
    min-height: auto;
  }

  .kanban-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }
}

@media (max-width: 640px) {
  .kanban-section {
    padding: var(--space-12) var(--space-4);
  }

  .kanban-cards {
    grid-template-columns: 1fr;
  }

  .kanban-auto-badge {
    flex-direction: column;
    text-align: center;
    padding: var(--space-4);
    border-radius: var(--radius-lg);
  }

  .kanban-auto-badge span {
    font-size: 12px;
  }
}

/* ==========================================
   LANGUAGE SELECTOR
   ========================================== */

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.language-selector {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
}

.lang-btn svg {
  width: 16px;
  height: 16px;
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 140px;
  background: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
  z-index: 1000;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.language-selector:hover .lang-dropdown,
.language-selector:focus-within .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 13px;
  text-decoration: none;
  transition: all 0.15s ease;
}

.lang-option:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.lang-option.active {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent);
}

.lang-flag {
  font-weight: 600;
  font-size: 11px;
  padding: 2px 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
}

.lang-option.active .lang-flag {
  background: rgba(16, 185, 129, 0.2);
}

/* Mobile responsive */
@media (max-width: 768px) {
  .nav-right {
    gap: var(--space-2);
  }

  .lang-btn span {
    display: none;
  }

  .lang-btn {
    padding: var(--space-2);
  }

  .lang-dropdown {
    right: -20px;
  }
}