/* 
 * LUMEN - Global Styles
 * Theme: Midnight Blue, Glassmorphism, High-End Tech
 */

:root {
  /* Color Palette - Midnight Blue & Neon Accents */
  --color-bg-dark: #020617;
  /* Very dark slate/blue */
  --color-bg-card: rgba(15, 23, 42, 0.6);
  /* Glass effect base */
  --color-primary: #2dd4bf;
  /* Teal 400 (Modern Data) */
  --color-primary-glow: rgba(45, 212, 191, 0.5);
  --color-accent: #0ea5e9;
  /* Sky 500 */
  --color-accent-glow: rgba(14, 165, 233, 0.5);
  --color-text-main: #f8fafc;
  /* Slate 50 */
  --color-text-muted: #94a3b8;
  /* Slate 400 */
  --color-border: rgba(148, 163, 184, 0.1);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;

  /* Effects */
  --glass-blur: blur(12px);
  --glass-border: 1px solid rgba(255, 255, 255, 0.05);
  --shadow-glow: 0 0 20px var(--color-primary-glow);
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-bg-dark);
  color: var(--color-text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  background-image:
    radial-gradient(circle at 15% 50%, rgba(45, 212, 191, 0.08), transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(14, 165, 233, 0.08), transparent 25%);
  background-attachment: fixed;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text-main);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  background: linear-gradient(to right, #fff, #94a3b8);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--spacing-md);
}

p {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

/* Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  backdrop-filter: blur(4px);
}

.btn-primary:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -10px rgba(255, 255, 255, 0.2);
}

.btn-glow {
  background: var(--color-primary);
  color: #0f172a;
  /* Dark text on bright teal */
  box-shadow: 0 0 15px var(--color-primary-glow);
}

.btn-glow:hover {
  background: #14b8a6;
  /* Teal 500 */
  box-shadow: 0 0 25px var(--color-primary-glow);
  transform: translateY(-2px);
}

/* 
 * LUMEN - Layout Styles
 */

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: var(--transition-smooth);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(2, 6, 23, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: var(--glass-border);
  padding: 1rem 0;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: var(--color-text-main);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 80px;
  /* Offset for fixed navbar */
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
  z-index: 1;
}

.hero-subtitle {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-buttons {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* Sections */
.section {
  padding: var(--spacing-xl) 0;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--color-bg-card);
  border: var(--glass-border);
  border-radius: 16px;
  padding: 2rem;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(800px circle at var(--mouse-x) var(--mouse-y), rgba(255, 255, 255, 0.06), transparent 40%);
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}

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

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.1);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--color-text-main);
}

/* Footer */
.footer {
  border-top: var(--glass-border);
  padding: var(--spacing-lg) 0;
  background: rgba(2, 6, 23, 0.5);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
}

.footer-brand p {
  max-width: 300px;
  margin-top: 1rem;
}

.footer-col h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  color: var(--color-text-main);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .nav-links {
    display: none;
    /* Simple mobile hide for now, can be expanded */
  }

  h1 {
    font-size: 2.5rem;
  }
}

/* 
 * LUMEN - Animations
 */

/* Fade In Up */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  opacity: 0;
  /* Initial state */
  animation-fill-mode: forwards;
}

.fade-in-up.animate-trigger {
  animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

/* Stagger Delays */
.delay-100 {
  animation-delay: 0.1s;
}

.delay-200 {
  animation-delay: 0.2s;
}

.delay-300 {
  animation-delay: 0.3s;
}

.delay-400 {
  animation-delay: 0.4s;
}

.delay-500 {
  animation-delay: 0.5s;
}

/* Glow Pulse */
@keyframes glowPulse {

  0%,
  100% {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
  }

  50% {
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.5);
  }
}

.glow-effect {
  animation: glowPulse 3s infinite;
}

/* Text Gradient Flow */
@keyframes gradientFlow {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

.text-gradient-animated {
  background: linear-gradient(270deg, #2dd4bf, #0ea5e9, #6366f1, #2dd4bf);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientFlow 6s ease infinite;
}

/* Cursor for Typewriter */
.cursor {
  display: inline-block;
  margin-left: 2px;
  animation: blink 1s infinite;
  color: var(--color-primary);
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

/* Workflow Section Styles */
.workflow-container {
  position: relative;
  padding: 4rem 0;
  overflow: hidden;
  /* Hide overflow for carousel effect */
  width: 100%;
  /* Ensure container takes full width */
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.workflow-track {
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  width: max-content;
  /* Track width depends on content */
  padding: 0 50%;
  /* Padding to allow centering first/last items roughly */
}

.workflow-step {
  flex: 0 0 280px;
  /* Fixed width for consistent spacing */
  position: relative;
  z-index: 2;
  cursor: pointer;
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 0.5;
  /* Dim inactive steps */
  transform: scale(0.9);
}

.workflow-step.active {
  opacity: 1;
  transform: scale(1);
}

.step-number {
  font-size: 4rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.03);
  position: absolute;
  top: -2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: -1;
  line-height: 1;
  pointer-events: none;
  transition: color 0.3s ease;
}

.step-number.active {
  color: rgba(255, 255, 255, 0.15);
  /* Highlight active number */
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

.step-card {
  background: var(--color-bg-card);
  border: var(--glass-border);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  transition: var(--transition-smooth);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 220px;
}

.step-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary-glow);
}

.step-card.active-pulse {
  border-color: var(--color-primary);
  box-shadow: 0 0 30px rgba(45, 212, 191, 0.15);
}

.step-icon {
  width: 64px;
  height: 64px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
  transition: var(--transition-fast);
}

.step-card:hover .step-icon,
.workflow-step.active .step-icon {
  background: var(--color-primary);
  color: #0f172a;
  transform: scale(1.1);
  box-shadow: 0 0 20px var(--color-primary-glow);
}

.step-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--color-text-main);
}

.step-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
  line-height: 1.6;
}

/* Connector Lines */
.workflow-connector {
  flex: 0 0 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--color-border);
  opacity: 0.3;
}

/* Pulse Animation for Active Step */
@keyframes pulseBorder {
  0% {
    box-shadow: 0 0 0 0 rgba(45, 212, 191, 0.4);
    border-color: var(--color-primary);
  }

  70% {
    box-shadow: 0 0 0 10px rgba(45, 212, 191, 0);
    border-color: var(--color-primary-glow);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(45, 212, 191, 0);
    border-color: var(--color-primary);
  }
}

.active-pulse {
  animation: pulseBorder 2s infinite;
  border-color: var(--color-primary);
}

/* Responsive Workflow */
@media (max-width: 992px) {
  .workflow-container {
    flex-direction: column;
    align-items: stretch;
    gap: 2rem;
  }

  .workflow-connector {
    transform: rotate(90deg);
    height: 40px;
    margin: -1rem 0;
  }

  .step-number {
    top: 50%;
    transform: translateY(-50%);
    left: auto;
    right: 1rem;
    font-size: 3rem;
  }

  .step-card {
    flex-direction: row;
    text-align: left;
    padding: 1.5rem;
    gap: 1.5rem;
  }

  .step-icon {
    margin-bottom: 0;
    flex-shrink: 0;
  }
}

@media (max-width: 768px) {
  .workflow-step {
    flex: 0 0 80vw;
    /* Wider cards on mobile */
  }

  .workflow-track {
    padding: 0 10vw;
    /* Adjust padding for mobile */
  }
}

/* 
 * LUMEN - Interactive Preview Styles
 */

.preview-container {
  position: relative;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.5);
  border: var(--glass-border);
}

.preview-image {
  width: 100%;
  height: auto;
  display: block;
}

/* Hover Zones */
.hover-zone {
  position: absolute;
  cursor: help;
  z-index: 10;
  transition: background 0.3s ease;
}

.hover-zone:hover {
  background: rgba(45, 212, 191, 0.1);
  box-shadow: 0 0 20px rgba(45, 212, 191, 0.2);
  border: 1px solid rgba(45, 212, 191, 0.3);
}

/* Zone Positions (Percentages based on the image layout) */
.sidebar-zone {
  top: 0;
  left: 0;
  width: 14%;
  height: 100%;
}

.input-zone {
  top: 38%;
  left: 37%;
  width: 47%;
  height: 7%;
  border-radius: 12px;
}

.logs-zone {
  top: 48%;
  left: 37%;
  width: 55.3%;
  height: 37%;
  border-radius: 12px;
}

/* Tooltips */
.tooltip {
  position: absolute;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(45, 212, 191, 0.3);
  padding: 1.5rem;
  border-radius: 12px;
  width: 280px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.5);
  z-index: 20;
}

.hover-zone:hover .tooltip {
  opacity: 1;
  visibility: visible;
}

.tooltip h4 {
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.tooltip p {
  font-size: 0.9rem;
  margin-bottom: 0;
  color: var(--color-text-main);
}

/* Tooltip Positioning */
.tooltip-right {
  left: 100%;
  top: 50%;
  transform: translateY(-50%) translateX(20px);
  margin-left: 1rem;
}

.hover-zone:hover .tooltip-right {
  transform: translateY(-50%) translateX(0);
}

.tooltip-top {
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  margin-bottom: 1rem;
}

.hover-zone:hover .tooltip-top {
  transform: translateX(-50%) translateY(0);
}

/* Mobile Adjustments */
@media (max-width: 768px) {
  .hover-zone {
    display: none;
    /* Hide interactive zones on mobile to prevent tap issues */
  }
}