/* ==========================================================================
   CloudLabs Pro — Main Stylesheet
   ========================================================================== */

/* ---------- CSS CUSTOM PROPERTIES ---------- */
:root {
  /* Colors */
  --color-primary: #0F172A;
  --color-secondary: #6366F1;
  --color-tertiary: #22D3EE;
  --color-surface: #1E293B;
  --color-surface-light: #334155;
  --color-text-primary: #F8FAFC;
  --color-text-secondary: #94A3B8;
  --color-text-muted: #64748B;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;
  --color-border: rgba(148, 163, 184, 0.1);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #6366F1, #22D3EE);
  --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.4), rgba(34, 211, 238, 0.4));
  --gradient-surface: linear-gradient(135deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.9));

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* Spacing */
  --section-padding: 6rem 0;
  --container-max: 1200px;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 16px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Glassmorphism */
  --glass-bg: rgba(30, 41, 59, 0.6);
  --glass-border: rgba(148, 163, 184, 0.15);
  --glass-blur: blur(20px);
}

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

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

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

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

a:hover {
  color: var(--color-secondary);
}

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

ul, ol {
  list-style: none;
}

/* Screen-reader only class */
.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;
}

/* ---------- CONTAINER ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- SECTION BASE ---------- */
.section {
  padding: var(--section-padding);
  position: relative;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
}

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

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--color-tertiary);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-text-primary);
  border-color: var(--glass-border);
}

.btn-outline:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: none;
  padding: 0.5rem 1rem;
}

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

.btn-glow {
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.3), 0 0 60px rgba(99, 102, 241, 0.1);
}

.btn-glow:hover {
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.5), 0 0 80px rgba(99, 102, 241, 0.2);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

/* ---------- NAVIGATION ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  padding: 0.75rem 0;
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text-primary);
  text-decoration: none;
}

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

.logo-icon {
  font-size: 1.5rem;
}

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

.nav-links a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.nav-cta {
  background: var(--gradient-primary);
  color: #fff !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition-base);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
  color: #fff !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- HERO SECTION ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 8rem 1.5rem 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* Grid dots background */
.grid-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(99, 102, 241, 0.15) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.5;
}

/* Floating clouds */
.floating-clouds {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.cloud {
  position: absolute;
  font-size: 2rem;
  opacity: 0.1;
  animation: float-cloud 20s infinite linear;
}

.cloud-1 { top: 15%; left: -5%; animation-duration: 25s; font-size: 2.5rem; }
.cloud-2 { top: 35%; left: -10%; animation-duration: 30s; animation-delay: -5s; }
.cloud-3 { top: 60%; left: -8%; animation-duration: 22s; animation-delay: -10s; }
.cloud-4 { top: 80%; left: -5%; animation-duration: 28s; animation-delay: -15s; font-size: 1.5rem; }
.cloud-5 { top: 10%; left: -12%; animation-duration: 35s; animation-delay: -20s; font-size: 3rem; }

@keyframes float-cloud {
  from { transform: translateX(0); }
  to { transform: translateX(calc(100vw + 100px)); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.hero-title {
  font-size: clamp(2rem, 5.5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  max-width: 650px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding: 1.25rem 2rem;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  margin-bottom: 3rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-plus {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label,
.stat-text {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 30px;
  background: var(--glass-border);
}

/* Terminal */
.terminal {
  max-width: 550px;
  margin: 0 auto;
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  background: rgba(15, 23, 42, 0.8);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(30, 41, 59, 0.5);
  border-bottom: 1px solid var(--glass-border);
}

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

.terminal-dot.red { background: #EF4444; }
.terminal-dot.yellow { background: #F59E0B; }
.terminal-dot.green { background: #10B981; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-left: auto;
}

.terminal-body {
  padding: 1rem 1.25rem;
}

.terminal-text {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-success);
}

.terminal-prompt {
  color: var(--color-tertiary);
  margin-right: 0.5rem;
}

.terminal-cursor {
  animation: blink 1s infinite;
  color: var(--color-success);
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* ---------- PROBLEM SECTION ---------- */
.problem-section {
  background: linear-gradient(180deg, var(--color-primary) 0%, rgba(30, 41, 59, 0.3) 50%, var(--color-primary) 100%);
}

.pain-points-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin: 3rem 0;
}

.pain-point-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  transition: all var(--transition-base);
}

.pain-point-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.1);
}

.pain-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.pain-point-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.pain-point-card p {
  color: var(--color-text-secondary);
  font-size: 0.925rem;
  line-height: 1.6;
}

.problem-solution {
  text-align: center;
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.problem-solution strong {
  color: var(--color-text-primary);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- LABS / PRODUCT SECTION ---------- */
.labs-section {
  background: var(--color-primary);
}

.filter-buttons {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--color-text-secondary);
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
}

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

.filter-btn.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
}

.labs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* Lab Card */
.lab-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.lab-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.15);
}

.lab-card.hidden {
  display: none;
}

.bundle-card {
  border-color: rgba(99, 102, 241, 0.3);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(34, 211, 238, 0.05));
}

.bundle-ribbon {
  position: absolute;
  top: 12px;
  right: -30px;
  background: var(--gradient-primary);
  color: #fff;
  padding: 0.25rem 2.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  transform: rotate(35deg);
  letter-spacing: 0.05em;
}

.lab-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.difficulty-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  letter-spacing: 0.02em;
}

.difficulty-badge.beginner {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.difficulty-badge.intermediate {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.difficulty-badge.advanced {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.difficulty-badge.bundle {
  background: rgba(99, 102, 241, 0.15);
  color: var(--color-secondary);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.provider-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: rgba(34, 211, 238, 0.1);
  color: var(--color-tertiary);
  border: 1px solid rgba(34, 211, 238, 0.2);
  margin-left: auto;
}

.lab-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.lab-description {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.lab-includes {
  margin-bottom: 1rem;
  flex-grow: 1;
}

.lab-includes li {
  font-size: 0.825rem;
  color: var(--color-text-secondary);
  padding: 0.2rem 0;
}

.lab-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.lab-meta span {
  font-size: 0.775rem;
  color: var(--color-text-muted);
}

.lab-pricing {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.price-original {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.price-current {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-text-primary);
}

.bundle-price {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lab-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.lab-actions .btn-buy {
  flex: 1;
  padding: 0.65rem 1rem;
  font-size: 0.875rem;
}

.lab-actions .btn-preview {
  font-size: 0.825rem;
}

/* ---------- WHAT'S INSIDE SECTION ---------- */
.inside-section {
  background: linear-gradient(180deg, var(--color-primary) 0%, rgba(30, 41, 59, 0.2) 50%, var(--color-primary) 100%);
}

.inside-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.inside-features {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.inside-feature {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
}

.inside-feature:hover {
  background: rgba(99, 102, 241, 0.05);
}

.inside-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.inside-feature h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.inside-feature p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* Lab Mockup */
.inside-mockup {
  position: sticky;
  top: 6rem;
}

.mockup-window {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(30, 41, 59, 0.5);
  border-bottom: 1px solid var(--glass-border);
}

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

.mockup-dot.red { background: #EF4444; }
.mockup-dot.yellow { background: #F59E0B; }
.mockup-dot.green { background: #10B981; }

.mockup-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-left: auto;
}

.mockup-body {
  padding: 1.5rem;
}

.mockup-breadcrumb {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.mockup-h1 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.mockup-step {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.mockup-step-badge {
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  flex-shrink: 0;
}

.mockup-code {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-sm);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
}

.mockup-code code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-success);
}

.mockup-screenshot {
  background: rgba(99, 102, 241, 0.05);
  border: 1px dashed rgba(99, 102, 241, 0.3);
  border-radius: var(--border-radius-sm);
  padding: 2rem;
  text-align: center;
  margin-bottom: 1rem;
}

.mockup-img-placeholder {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.mockup-note {
  background: rgba(34, 211, 238, 0.08);
  border-left: 3px solid var(--color-tertiary);
  padding: 0.75rem 1rem;
  font-size: 0.825rem;
  color: var(--color-text-secondary);
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

/* ---------- HOW IT WORKS ---------- */
.hiw-section {
  background: var(--color-primary);
}

.hiw-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 1rem;
  margin-top: 3rem;
}

.hiw-step {
  text-align: center;
  max-width: 280px;
  flex: 1;
}

.hiw-step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.hiw-step-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hiw-step h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.hiw-step p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.hiw-connector {
  display: flex;
  align-items: center;
  padding-top: 4rem;
  flex-shrink: 0;
}

/* ---------- PRICING SECTION ---------- */
.pricing-section {
  background: linear-gradient(180deg, var(--color-primary) 0%, rgba(30, 41, 59, 0.3) 50%, var(--color-primary) 100%);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin: 3rem 0;
  align-items: stretch;
}

.pricing-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-4px);
}

.pricing-card-featured {
  border-color: rgba(99, 102, 241, 0.4);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(34, 211, 238, 0.05));
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.15);
  transform: scale(1.02);
}

.pricing-card-featured:hover {
  transform: scale(1.02) translateY(-4px);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: #fff;
  padding: 0.3rem 1.25rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.pricing-card-header {
  text-align: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 1.5rem;
}

.pricing-card-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.1rem;
}

.pricing-dollar {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.pricing-value {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pricing-range {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.pricing-desc {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.pricing-features {
  flex-grow: 1;
  margin-bottom: 1.5rem;
}

.pricing-features li {
  padding: 0.4rem 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.pricing-guarantee {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* ---------- TESTIMONIALS ---------- */
.testimonials-section {
  background: var(--color-primary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin: 3rem 0;
}

.testimonial-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 1.75rem;
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.2);
}

.testimonial-stars {
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
}

.testimonial-author span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.trusted-by {
  text-align: center;
  margin-top: 3rem;
}

.trusted-by > p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.trusted-logos {
  display: flex;
  gap: 2.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.trusted-logo {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-muted);
  opacity: 0.5;
}

/* ---------- FREE SAMPLE SECTION ---------- */
.free-sample-section {
  background: var(--color-primary);
}

.free-sample-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 2px solid transparent;
  border-image: var(--gradient-primary) 1;
  border-radius: 0;
  padding: 3rem;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}

/* Fix border-radius with gradient border */
.free-sample-card {
  border: none;
  border-radius: var(--border-radius-lg);
  position: relative;
}

.free-sample-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--border-radius-lg);
  padding: 2px;
  background: var(--gradient-primary);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.free-badge {
  display: inline-block;
  background: var(--gradient-primary);
  color: #fff;
  padding: 0.3rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.free-sample-content h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.free-sample-content > p {
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.free-sample-form {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.form-group {
  flex: 1;
  min-width: 180px;
}

.free-sample-form input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
}

.free-sample-form input:focus {
  outline: none;
  border-color: var(--color-secondary);
}

.free-sample-form input::placeholder {
  color: var(--color-text-muted);
}

.form-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.free-sample-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.free-sample-icon {
  font-size: 4rem;
  animation: float 3s ease-in-out infinite;
}

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

.free-sample-file {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1.25rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  width: 100%;
  max-width: 280px;
}

.file-icon {
  font-size: 1.25rem;
}

/* ---------- FAQ SECTION ---------- */
.faq-section {
  background: linear-gradient(180deg, var(--color-primary) 0%, rgba(30, 41, 59, 0.2) 50%, var(--color-primary) 100%);
}

.faq-list {
  max-width: 750px;
  margin: 3rem auto 0;
}

.faq-item {
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item:hover {
  border-color: rgba(99, 102, 241, 0.2);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: var(--glass-bg);
  border: none;
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-base);
}

.faq-question:hover {
  background: rgba(99, 102, 241, 0.05);
}

.faq-icon {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-secondary);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 1.5rem 1.25rem;
  color: var(--color-text-secondary);
  font-size: 0.925rem;
  line-height: 1.7;
}

/* ---------- FOOTER ---------- */
.footer {
  background: rgba(15, 23, 42, 0.5);
  border-top: 1px solid var(--glass-border);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-top: 1rem;
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.social-link:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  background: rgba(99, 102, 241, 0.1);
}

.footer-links h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

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

.footer-newsletter h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.footer-newsletter p {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.footer-form {
  display: flex;
  gap: 0.5rem;
}

.footer-form input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.85rem;
}

.footer-form input:focus {
  outline: none;
  border-color: var(--color-secondary);
}

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

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-bottom p {
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

/* ---------- MODAL ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.modal-overlay[hidden] {
  display: none;
}

.modal-content {
  background: var(--color-surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-lg);
  max-width: 550px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-base);
}

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

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 1.75rem;
  cursor: pointer;
  transition: color var(--transition-fast);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

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

.modal-title {
  padding: 1.5rem 1.5rem 0;
  font-size: 1.25rem;
  font-weight: 700;
}

.modal-body {
  padding: 1.5rem;
}

.modal-preview-placeholder {
  text-align: center;
  padding: 2rem;
  background: rgba(15, 23, 42, 0.5);
  border: 1px dashed var(--glass-border);
  border-radius: var(--border-radius);
}

.modal-preview-img {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.modal-preview-placeholder p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

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

.modal-footer {
  padding: 0 1.5rem 1.5rem;
  display: flex;
  gap: 0.75rem;
}

/* ---------- SCROLL ANIMATIONS ---------- */
.animate-fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s; }

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---------- RESPONSIVE ---------- */

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

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

  .inside-mockup {
    position: static;
  }

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

/* Mobile */
@media (max-width: 768px) {
  :root {
    --section-padding: 4rem 0;
  }

  /* Nav */
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-surface);
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    gap: 1.5rem;
    transition: right var(--transition-base);
    border-left: 1px solid var(--glass-border);
    z-index: 1000;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    font-size: 1.1rem;
  }

  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  /* Hero */
  .hero {
    padding: 7rem 1.5rem 3rem;
    min-height: auto;
  }

  .hero-stats {
    gap: 1rem;
    padding: 1rem;
  }

  .stat-divider {
    display: none;
  }

  .stat-item {
    min-width: 45%;
  }

  .terminal {
    display: none;
  }

  /* Pain Points */
  .pain-points-grid {
    grid-template-columns: 1fr;
  }

  /* Labs */
  .labs-grid {
    grid-template-columns: 1fr;
  }

  /* How It Works */
  .hiw-steps {
    flex-direction: column;
    align-items: center;
  }

  .hiw-connector {
    transform: rotate(90deg);
    padding-top: 0;
    margin: 0.5rem 0;
  }

  /* Pricing */
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .pricing-card-featured {
    transform: none;
    order: -1;
  }

  .pricing-card-featured:hover {
    transform: translateY(-4px);
  }

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

  /* Free Sample */
  .free-sample-card {
    grid-template-columns: 1fr;
    padding: 2rem;
  }

  .free-sample-visual {
    display: none;
  }

  .free-sample-form {
    flex-direction: column;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

/* Small Mobile */
@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }

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

  .filter-buttons {
    gap: 0.5rem;
  }

  .filter-btn {
    font-size: 0.8rem;
    padding: 0.4rem 0.85rem;
  }

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

  .lab-actions .btn-buy {
    width: 100%;
  }
}

/* ---------- PRINT STYLES ---------- */
@media print {
  .navbar,
  .hero-bg,
  .floating-clouds,
  .hamburger,
  .terminal {
    display: none !important;
  }

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

  .section {
    padding: 2rem 0;
  }
}