/* ============================================
   TeleBridge Bot — Premium SaaS Landing Page
   Pure Vanilla CSS — No Tailwind
   ============================================ */

/* ==================
   CSS Custom Properties
   ================== */
:root {
  /* Colors */
  --primary: #00d4ff;
  --primary-rgb: 0, 212, 255;
  --primary-dark: #00a8cc;
  --accent: #7c3aed;
  --accent-rgb: 124, 58, 237;
  --accent-light: #a78bfa;

  --bg-dark: #0a0a0f;
  --bg-dark-rgb: 10, 10, 15;
  --bg-section: #0d0d14;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --bg-nav: rgba(10, 10, 15, 0.8);

  --text-primary: #f0f0f5;
  --text-secondary: #a0a0b8;
  --text-muted: #6b6b80;

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --border-accent: rgba(0, 212, 255, 0.3);

  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
  --gradient-primary-reverse: linear-gradient(135deg, #7c3aed 0%, #00d4ff 100%);
  --gradient-glow: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
  --gradient-glow-accent: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-index */
  --z-dropdown: 100;
  --z-nav: 1000;
  --z-toast: 2000;

  /* Navbar */
  --nav-height: 72px;
  --nav-height-shrink: 56px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-dark);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a:hover {
  color: var(--accent-light);
}

a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

/* ==================
   Container
   ================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ==================
   Utility Classes
   ================== */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.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;
}

/* ==================
   Buttons
   ================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  font-weight: 600;
  font-size: var(--font-size-base);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  text-decoration: none;
  border: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(var(--primary-rgb), 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(var(--primary-rgb), 0.4);
  color: #fff;
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-glow::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: var(--gradient-primary);
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  filter: blur(12px);
  transition: opacity var(--transition-base);
}

.btn-glow:hover::before {
  opacity: 0.6;
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
  color: var(--text-primary);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--border-accent);
}

.btn-outline:hover {
  background: rgba(var(--primary-rgb), 0.08);
  border-color: var(--primary);
  transform: translateY(-2px);
  color: var(--primary);
}

.btn-lg {
  padding: 18px 36px;
  font-size: var(--font-size-lg);
  border-radius: var(--radius-lg);
}

/* ==================
   Glass Card
   ================== */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-base);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  box-shadow: var(--glass-shadow), 0 0 40px rgba(var(--primary-rgb), 0.05);
}

/* ==================
   Navigation
   ================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: var(--bg-nav);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  height: var(--nav-height-shrink);
  background: rgba(var(--bg-dark-rgb), 0.95);
  border-bottom-color: var(--border-subtle);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  z-index: 10;
}

.logo-icon {
  flex-shrink: 0;
}

.logo-text {
  font-size: var(--font-size-xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-link {
  padding: 8px 16px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-cta {
  padding: 10px 22px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: #fff;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  margin-left: var(--space-sm);
  transition: all var(--transition-base);
  text-decoration: none;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(var(--primary-rgb), 0.3);
  color: #fff;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  z-index: 10;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.hamburger:hover {
  background: rgba(255, 255, 255, 0.05);
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==================
   Hero Section
   ================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-4xl);
  overflow: hidden;
}

#particleCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.hero-gradient-mesh {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 20%, rgba(var(--primary-rgb), 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 60%, rgba(var(--accent-rgb), 0.1) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(var(--primary-rgb), 0.06) 0%, transparent 60%);
  z-index: 0;
  animation: meshFloat 15s ease-in-out infinite alternate;
}

@keyframes meshFloat {
  0% { transform: scale(1) translateY(0); }
  50% { transform: scale(1.05) translateY(-10px); }
  100% { transform: scale(1) translateY(0); }
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  z-index: 0;
  animation: glowPulse 6s ease-in-out infinite alternate;
}

.hero-glow-1 {
  width: 500px;
  height: 500px;
  background: rgba(var(--primary-rgb), 0.15);
  top: -10%;
  right: -5%;
}

.hero-glow-2 {
  width: 400px;
  height: 400px;
  background: rgba(var(--accent-rgb), 0.12);
  bottom: 0;
  left: -5%;
  animation-delay: -3s;
}

@keyframes glowPulse {
  0% { opacity: 0.5; transform: scale(0.95); }
  100% { opacity: 1; transform: scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 850px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 20px;
  background: rgba(var(--primary-rgb), 0.08);
  border: 1px solid rgba(var(--primary-rgb), 0.2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--primary);
  margin-bottom: var(--space-xl);
}

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

@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-6xl));
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-xl);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(var(--font-size-base), 2vw, var(--font-size-lg));
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

/* Bot Tag */
.hero-bot-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  margin-bottom: var(--space-2xl);
}

.bot-tag-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.bot-tag-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--primary);
  background: none;
  font-family: 'Inter', monospace;
}

.copy-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  color: var(--primary);
  background: rgba(var(--primary-rgb), 0.1);
}

.copy-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: 4px 10px;
  background: var(--primary);
  color: #000;
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-fast);
}

.copy-tooltip.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.hero-stat-number {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

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

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.scroll-wheel {
  width: 3px;
  height: 8px;
  background: var(--primary);
  border-radius: 2px;
  animation: scrollWheel 2s ease-in-out infinite;
}

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

@keyframes scrollWheel {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(10px); }
}

/* ==================
   Section Base
   ================== */
.section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--bg-section);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(var(--primary-rgb), 0.08);
  border: 1px solid rgba(var(--primary-rgb), 0.2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--primary);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section-title {
  font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
  font-weight: 800;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==================
   Features Grid
   ================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.feature-card {
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.feature-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(var(--primary-rgb), 0.08);
  color: var(--primary);
  margin-bottom: var(--space-md);
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon-wrap {
  background: rgba(var(--primary-rgb), 0.15);
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.15);
}

.feature-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.feature-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==================
   How It Works
   ================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 80px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
  opacity: 0.3;
  z-index: 0;
}

.step-card {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.15;
  margin-bottom: -15px;
  line-height: 1;
}

.step-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 2px solid var(--glass-border);
  color: var(--primary);
  margin: 0 auto var(--space-lg);
  position: relative;
  transition: all var(--transition-base);
}

.step-card:hover .step-icon-wrap {
  border-color: var(--primary);
  box-shadow: 0 0 30px rgba(var(--primary-rgb), 0.2);
  transform: scale(1.1);
}

.step-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.step-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

.step-desc a {
  color: var(--primary);
  font-weight: 500;
}

/* ==================
   Use Cases
   ================== */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.use-case-card {
  padding: var(--space-xl);
}

.use-case-emoji {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.use-case-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.use-case-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.use-case-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.use-case-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.use-case-features li::before {
  content: '✦';
  color: var(--primary);
  font-size: var(--font-size-xs);
  flex-shrink: 0;
}

/* ==================
   Pricing
   ================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
  align-items: stretch;
}

.pricing-card {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.pricing-card-popular {
  border-color: var(--primary);
  background: rgba(var(--primary-rgb), 0.05);
  transform: scale(1.03);
  box-shadow: var(--glass-shadow), 0 0 60px rgba(var(--primary-rgb), 0.1);
}

.pricing-card-popular::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.pricing-header {
  text-align: center;
  margin-bottom: var(--space-xl);
  position: relative;
}

.pricing-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.pricing-badge-popular {
  background: var(--gradient-primary);
  color: #000;
}

.pricing-badge-affordable {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.pricing-badge-value {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.pricing-badge-ultimate {
  background: rgba(var(--accent-rgb), 0.15);
  color: var(--accent-light);
  border: 1px solid rgba(var(--accent-rgb), 0.3);
}

.pricing-plan-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

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

.price-currency {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-secondary);
}

.price-amount {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  line-height: 1;
}

.pricing-card-popular .price-amount {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.price-period {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: 500;
}

.pricing-duration {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* Pricing Features */
.pricing-features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: var(--space-xl);
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.4;
}

.pricing-features li svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--primary);
}

.pricing-feature-disabled {
  opacity: 0.4;
}

.pricing-feature-disabled svg {
  color: var(--text-muted) !important;
}

.pricing-cta {
  width: 100%;
  text-align: center;
  margin-top: auto;
}

/* ==================
   Testimonials
   ================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.testimonial-card {
  padding: var(--space-xl);
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-md);
}

.testimonial-quote {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
  font-style: normal;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-sm);
  color: #fff;
  flex-shrink: 0;
}

.testimonial-info {
  display: flex;
  flex-direction: column;
}

.testimonial-name {
  font-size: var(--font-size-base);
  font-weight: 600;
}

.testimonial-role {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* ==================
   FAQ
   ================== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.faq-item {
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
  gap: var(--space-md);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-chevron {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform var(--transition-base);
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-answer p {
  padding: 0 var(--space-xl) var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-answer a {
  color: var(--primary);
  font-weight: 500;
}

/* ==================
   Final CTA
   ================== */
.final-cta {
  position: relative;
  padding: var(--space-4xl) 0;
  overflow: hidden;
  text-align: center;
}

.final-cta-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 50% 50%, rgba(var(--primary-rgb), 0.1) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 30% 30%, rgba(var(--accent-rgb), 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 70% 70%, rgba(var(--primary-rgb), 0.06) 0%, transparent 60%);
  z-index: 0;
}

.final-cta-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.final-cta-title {
  font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
  font-weight: 800;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.final-cta-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
  line-height: 1.7;
}

.final-cta-buttons {
  margin-bottom: var(--space-lg);
}

.final-cta-note {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* ==================
   Footer
   ================== */
.footer {
  background: #060609;
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand {
  padding-right: var(--space-xl);
}

.footer-logo {
  margin-bottom: var(--space-md);
}

.footer-tagline {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  line-height: 1.7;
}

.footer-col-title {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  transition: color var(--transition-fast);
  text-decoration: none;
}

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

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

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

/* ==================
   Toast
   ================== */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 24px;
  background: rgba(var(--primary-rgb), 0.15);
  border: 1px solid rgba(var(--primary-rgb), 0.3);
  border-radius: var(--radius-md);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: var(--primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  z-index: var(--z-toast);
  opacity: 0;
  transition: all var(--transition-base);
  pointer-events: none;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ==================
   Scroll Animations
   ================== */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays for grid items */
.features-grid .animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
.features-grid .animate-on-scroll:nth-child(2) { transition-delay: 60ms; }
.features-grid .animate-on-scroll:nth-child(3) { transition-delay: 120ms; }
.features-grid .animate-on-scroll:nth-child(4) { transition-delay: 180ms; }
.features-grid .animate-on-scroll:nth-child(5) { transition-delay: 0ms; }
.features-grid .animate-on-scroll:nth-child(6) { transition-delay: 60ms; }
.features-grid .animate-on-scroll:nth-child(7) { transition-delay: 120ms; }
.features-grid .animate-on-scroll:nth-child(8) { transition-delay: 180ms; }
.features-grid .animate-on-scroll:nth-child(9) { transition-delay: 0ms; }
.features-grid .animate-on-scroll:nth-child(10) { transition-delay: 60ms; }
.features-grid .animate-on-scroll:nth-child(11) { transition-delay: 120ms; }
.features-grid .animate-on-scroll:nth-child(12) { transition-delay: 180ms; }
.features-grid .animate-on-scroll:nth-child(13) { transition-delay: 0ms; }
.features-grid .animate-on-scroll:nth-child(14) { transition-delay: 60ms; }
.features-grid .animate-on-scroll:nth-child(15) { transition-delay: 120ms; }
.features-grid .animate-on-scroll:nth-child(16) { transition-delay: 180ms; }

.steps-grid .animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
.steps-grid .animate-on-scroll:nth-child(2) { transition-delay: 100ms; }
.steps-grid .animate-on-scroll:nth-child(3) { transition-delay: 200ms; }
.steps-grid .animate-on-scroll:nth-child(4) { transition-delay: 300ms; }

.use-cases-grid .animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
.use-cases-grid .animate-on-scroll:nth-child(2) { transition-delay: 100ms; }
.use-cases-grid .animate-on-scroll:nth-child(3) { transition-delay: 200ms; }
.use-cases-grid .animate-on-scroll:nth-child(4) { transition-delay: 0ms; }
.use-cases-grid .animate-on-scroll:nth-child(5) { transition-delay: 100ms; }

.pricing-grid .animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
.pricing-grid .animate-on-scroll:nth-child(2) { transition-delay: 80ms; }
.pricing-grid .animate-on-scroll:nth-child(3) { transition-delay: 160ms; }
.pricing-grid .animate-on-scroll:nth-child(4) { transition-delay: 240ms; }
.pricing-grid .animate-on-scroll:nth-child(5) { transition-delay: 320ms; }

.testimonials-grid .animate-on-scroll:nth-child(1) { transition-delay: 0ms; }
.testimonials-grid .animate-on-scroll:nth-child(2) { transition-delay: 100ms; }
.testimonials-grid .animate-on-scroll:nth-child(3) { transition-delay: 200ms; }

/* ==================
   Responsive — Tablet (1024px)
   ================== */
@media (max-width: 1200px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

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

  .steps-grid::before {
    display: none;
  }

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

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

  .pricing-card-popular {
    transform: none;
  }

  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-brand {
    grid-column: 1 / -1;
    padding-right: 0;
  }
}

/* ==================
   Responsive — Mobile (768px)
   ================== */
@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
    --nav-height-shrink: 56px;
  }

  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--nav-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
    background: rgba(var(--bg-dark-rgb), 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid var(--border-subtle);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    gap: var(--space-xs);
    overflow-y: auto;
  }

  .nav-links.open {
    transform: translateX(0);
  }

  .nav-link {
    width: 100%;
    padding: 12px 16px;
    font-size: var(--font-size-base);
  }

  .nav-cta {
    margin-left: 0;
    margin-top: var(--space-md);
    width: 100%;
    text-align: center;
  }

  .hero {
    padding-top: calc(var(--nav-height) + var(--space-2xl));
    min-height: auto;
    padding-bottom: var(--space-3xl);
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-stats {
    gap: var(--space-md);
  }

  .hero-stat-divider {
    height: 30px;
  }

  .hero-stat-number {
    font-size: var(--font-size-xl);
  }

  .hero-scroll-indicator {
    display: none;
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .use-cases-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }

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

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

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

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

  .hero-ctas .btn {
    width: 100%;
  }

  .hero-bot-tag {
    flex-wrap: wrap;
    justify-content: center;
  }

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

/* ==================
   Print Styles
   ================== */
@media print {
  .navbar,
  .hamburger,
  .hero-scroll-indicator,
  #particleCanvas,
  .hero-gradient-mesh,
  .hero-glow,
  .final-cta-bg,
  .toast {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .hero {
    min-height: auto;
    padding-top: var(--space-xl);
  }

  .glass-card {
    background: #f8f8f8;
    border-color: #ddd;
    backdrop-filter: none;
  }

  .gradient-text {
    background: none;
    -webkit-text-fill-color: #000;
    color: #000;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  .section {
    padding: var(--space-xl) 0;
    break-inside: avoid;
  }
}

/* ==================
   Reduced Motion
   ================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }
}