/* ==========================================================================
   GuestFlow Landing Page — Design System & Styles
   Inspired by Linear, Stripe, Vercel
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --primary: #7C3AED;
  --primary-light: #8B5CF6;
  --primary-lighter: #A78BFA;
  --primary-dark: #5B21B6;
  --primary-glow: rgba(124, 58, 237, 0.3);
  --primary-bg: rgba(124, 58, 237, 0.08);

  --bg-dark: #0A0A0F;
  --bg-dark-elevated: #12121A;
  --bg-dark-card: #1A1A26;
  --bg-dark-border: rgba(255, 255, 255, 0.06);
  --bg-dark-hover: rgba(255, 255, 255, 0.04);

  --bg-light: #FFFFFF;
  --bg-light-elevated: #F8FAFC;
  --bg-light-card: #FFFFFF;
  --bg-light-border: rgba(0, 0, 0, 0.08);
  --bg-light-hover: rgba(0, 0, 0, 0.02);

  --text-dark-primary: #F8FAFC;
  --text-dark-secondary: rgba(248, 250, 252, 0.6);
  --text-dark-tertiary: rgba(248, 250, 252, 0.35);

  --text-light-primary: #0F172A;
  --text-light-secondary: #475569;
  --text-light-tertiary: #94A3B8;

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

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.16);
  --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.15);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1200px;
  --nav-height: 72px;
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-dark-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ==========================================================================
   Utility
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  background: var(--primary-bg);
  color: var(--primary-light);
  border: 1px solid rgba(124, 58, 237, 0.15);
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 18px;
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto;
}

.light .section-title { color: var(--text-light-primary); }
.light .section-subtitle { color: var(--text-light-secondary); }
.dark .section-title { color: var(--text-dark-primary); }
.dark .section-subtitle { color: var(--text-dark-secondary); }

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ==========================================================================
   Gradient & Glow Effects
   ========================================================================== */

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.5;
}

.glow-purple {
  background: radial-gradient(circle, rgba(124, 58, 237, 0.4), transparent 70%);
}

.glow-blue {
  background: radial-gradient(circle, rgba(59, 130, 246, 0.3), transparent 70%);
}

.glow-pink {
  background: radial-gradient(circle, rgba(236, 72, 153, 0.25), transparent 70%);
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-dark-primary);
}

.nav-logo svg {
  width: 32px;
  height: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark-secondary);
  transition: color 0.2s ease;
  position: relative;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
}

.btn-primary:hover {
  background: var(--primary-light);
  box-shadow: 0 6px 24px rgba(124, 58, 237, 0.45);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-dark-primary);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-outline {
  background: transparent;
  color: var(--text-dark-secondary);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--text-dark-primary);
}

.btn-light {
  background: white;
  color: var(--primary-dark);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.btn-light:hover {
  background: var(--bg-light-elevated);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 600;
}

.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-dark-primary);
  padding: 8px;
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  .nav-links.open { display: flex; }
  .nav-actions .nav-link { display: none; }
  .mobile-nav-toggle { display: block; }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero .glow-purple {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -200px;
}

.hero .glow-blue {
  width: 400px;
  height: 400px;
  bottom: -100px;
  left: -100px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 560px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 8px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  color: var(--primary-light);
  background: var(--primary-bg);
  border: 1px solid rgba(124, 58, 237, 0.15);
  margin-bottom: 28px;
}

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

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: clamp(40px, 6vw, 68px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #F8FAFC 0%, rgba(248, 250, 252, 0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.6;
  color: var(--text-dark-secondary);
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-stat-value {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: 13px;
  color: var(--text-dark-tertiary);
}

/* Chat Mockup */
.chat-mockup {
  position: relative;
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
}

.chat-window {
  background: rgba(18, 18, 26, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px rgba(124, 58, 237, 0.08);
}

.chat-header-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.chat-dots {
  display: flex;
  gap: 6px;
}

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

.chat-dot:nth-child(1) { background: #EF4444; }
.chat-dot:nth-child(2) { background: #F59E0B; }
.chat-dot:nth-child(3) { background: #10B981; }

.chat-header-info {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
}

.chat-header-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: white;
}

.chat-header-name {
  font-size: 13px;
  font-weight: 600;
}

.chat-header-status {
  font-size: 11px;
  color: #10B981;
  display: flex;
  align-items: center;
  gap: 4px;
}

.chat-header-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10B981;
}

.chat-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 340px;
}

.chat-date-divider {
  text-align: center;
  font-size: 11px;
  color: var(--text-dark-tertiary);
  padding: 8px 0;
  font-weight: 500;
}

.chat-message {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  line-height: 1.5;
  animation: message-in 0.3s ease both;
  opacity: 0;
}

.chat-message.guest {
  align-self: flex-end;
  background: var(--primary);
  color: white;
  border-bottom-right-radius: 4px;
}

.chat-message.ai {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-dark-primary);
  border-bottom-left-radius: 4px;
}

.chat-message.ai strong {
  color: var(--primary-light);
}

.chat-message .msg-time {
  display: block;
  font-size: 10px;
  opacity: 0.5;
  margin-top: 4px;
  text-align: right;
}

.chat-typing {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  border-bottom-left-radius: 4px;
  animation: message-in 0.3s ease both;
  opacity: 0;
}

.chat-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-dark-tertiary);
  animation: typing-bounce 1.4s ease-in-out infinite;
}

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

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

@keyframes message-in {
  from { opacity: 0; transform: translateY(8px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-content { max-width: 100%; }
  .hero-title { font-size: clamp(36px, 8vw, 52px); }
  .chat-mockup { max-width: 400px; }
}

@media (max-width: 768px) {
  .hero { padding: 100px 0 60px; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .hero-stat-value { font-size: 18px; }
}

/* ==========================================================================
   Trusted By Section
   ========================================================================== */

.trusted {
  padding: 60px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.trusted-label {
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dark-tertiary);
  margin-bottom: 36px;
}

.trusted-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.trusted-logo {
  height: 32px;
  opacity: 0.3;
  transition: opacity 0.3s ease;
  filter: grayscale(1) brightness(1.5);
}

.trusted-logo:hover {
  opacity: 0.6;
}

/* ==========================================================================
   Features Section
   ========================================================================== */

.features {
  padding: 100px 0;
  background: var(--bg-light);
  position: relative;
}

.features .section-title {
  color: var(--text-light-primary);
}

.features .section-subtitle {
  color: var(--text-light-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-light-card);
  border: 1px solid var(--bg-light-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  border-color: var(--primary-lighter);
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.08);
  transform: translateY(-2px);
}

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

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

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
  transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
  background: var(--primary);
  color: white;
}

.feature-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-light-primary);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.feature-desc {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-light-secondary);
}

@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
   ========================================================================== */

.how-it-works {
  padding: 100px 0;
  position: relative;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.how-step {
  text-align: center;
  position: relative;
}

.how-step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary-bg);
  border: 1px solid rgba(124, 58, 237, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: var(--primary-light);
  margin: 0 auto 20px;
  transition: all 0.3s ease;
}

.how-step:hover .how-step-number {
  background: var(--primary);
  color: white;
  transform: scale(1.05);
  box-shadow: 0 0 30px var(--primary-glow);
}

.how-step-icon {
  margin-bottom: 16px;
  color: var(--primary-light);
}

.how-step-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.how-step-desc {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-dark-secondary);
}

.how-connector {
  display: none;
}

@media (min-width: 1024px) {
  .how-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 28px;
    right: -40px;
    width: 48px;
    height: 2px;
    background: linear-gradient(90deg, rgba(124, 58, 237, 0.3), rgba(124, 58, 237, 0.1));
    transform: translateX(50%);
  }
}

@media (max-width: 768px) {
  .how-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* ==========================================================================
   Chat Showcase Section
   ========================================================================== */

.showcase {
  padding: 100px 0;
  background: var(--bg-light);
}

.showcase-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.showcase-content {
  max-width: 480px;
}

.showcase-content .section-title {
  color: var(--text-light-primary);
}

.showcase-content .section-subtitle {
  color: var(--text-light-secondary);
  margin: 0 0 24px;
}

.showcase-chat {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
}

.showcase-chat .chat-window {
  background: var(--bg-dark-card);
}

.showcase-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.showcase-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--text-light-secondary);
  line-height: 1.6;
}

.showcase-feature svg {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

@media (max-width: 1024px) {
  .showcase-layout { grid-template-columns: 1fr; gap: 40px; }
  .showcase-content { max-width: 100%; }
}

/* ==========================================================================
   Benefits Section
   ========================================================================== */

.benefits {
  padding: 100px 0;
  position: relative;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.benefit-card {
  background: var(--bg-dark-card);
  border: 1px solid var(--bg-dark-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s ease;
}

.benefit-card:hover {
  border-color: rgba(124, 58, 237, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.benefit-number {
  font-size: 44px;
  font-weight: 900;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--primary-light), #C084FC);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.benefit-label {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

.benefit-desc {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-dark-secondary);
}

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

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

/* ==========================================================================
   Testimonials
   ========================================================================== */

.testimonials {
  padding: 100px 0;
  background: var(--bg-light);
}

.testimonials .section-title {
  color: var(--text-light-primary);
}

.testimonials .section-subtitle {
  color: var(--text-light-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-light-card);
  border: 1px solid var(--bg-light-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  border-color: var(--primary-lighter);
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.06);
  transform: translateY(-2px);
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 16px;
  color: #F59E0B;
}

.testimonial-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-light-secondary);
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-lighter));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 14px;
}

.testimonial-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light-primary);
}

.testimonial-role {
  font-size: 12px;
  color: var(--text-light-tertiary);
}

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

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

/* ==========================================================================
   Pricing
   ========================================================================== */

.pricing {
  padding: 100px 0;
  position: relative;
}

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
}

.toggle-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark-secondary);
  transition: color 0.2s ease;
}

.toggle-label.active {
  color: var(--text-dark-primary);
}

.toggle-save {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--primary-bg);
  color: var(--primary-light);
  border: 1px solid rgba(124, 58, 237, 0.15);
}

.toggle-switch {
  width: 48px;
  height: 26px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  cursor: pointer;
  transition: all 0.3s ease;
}

.toggle-switch.active {
  background: var(--primary);
  border-color: var(--primary);
}

.toggle-knob {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: white;
  position: absolute;
  top: 2px;
  left: 2px;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.toggle-switch.active .toggle-knob {
  left: 24px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  background: var(--bg-dark-card);
  border: 1px solid var(--bg-dark-border);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  transition: all 0.3s ease;
  position: relative;
}

.pricing-card:hover {
  border-color: rgba(124, 58, 237, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.pricing-card.featured {
  border-color: var(--primary);
  background: linear-gradient(180deg, rgba(124, 58, 237, 0.05), transparent);
  transform: scale(1.03);
}

.pricing-card.featured:hover {
  transform: scale(1.03) translateY(-4px);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: white;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.pricing-plan {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.pricing-desc {
  font-size: 13.5px;
  color: var(--text-dark-secondary);
  margin-bottom: 20px;
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
}

.pricing-currency {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-dark-secondary);
}

.pricing-value {
  font-size: 48px;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
}

.pricing-period {
  font-size: 14px;
  color: var(--text-dark-tertiary);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-dark-secondary);
}

.pricing-feature svg {
  color: var(--primary-light);
  flex-shrink: 0;
}

.pricing-card .btn {
  width: 100%;
}

@media (max-width: 1024px) {
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .pricing-card.featured { transform: none; }
  .pricing-card.featured:hover { transform: translateY(-4px); }
}

/* ==========================================================================
   Final CTA
   ========================================================================== */

.cta-section {
  padding: 100px 0;
  background: var(--bg-light);
  position: relative;
  overflow: hidden;
}

.cta-section .glow-purple {
  width: 500px;
  height: 500px;
  top: -200px;
  right: -200px;
  opacity: 0.15;
}

.cta-box {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-box .section-title {
  color: var(--text-light-primary);
}

.cta-box .section-subtitle {
  color: var(--text-light-secondary);
  margin-bottom: 36px;
}

.cta-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 480px;
  margin: 0 auto;
}

.cta-form-row {
  display: flex;
  gap: 12px;
}

.cta-input {
  flex: 1;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--bg-light-border);
  font-size: 15px;
  font-family: var(--font-sans);
  background: var(--bg-light-elevated);
  color: var(--text-light-primary);
  transition: all 0.2s ease;
  outline: none;
}

.cta-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.cta-input::placeholder {
  color: var(--text-light-tertiary);
}

.cta-form .btn {
  padding: 14px 32px;
  font-size: 15px;
}

.cta-trust {
  margin-top: 24px;
  font-size: 13px;
  color: var(--text-light-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.cta-trust svg {
  color: var(--color-success);
}

@media (max-width: 640px) {
  .cta-form-row { flex-direction: column; }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  padding: 60px 0 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dark-secondary);
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dark-secondary);
  transition: all 0.2s ease;
}

.footer-social a:hover {
  background: var(--primary-bg);
  border-color: rgba(124, 58, 237, 0.2);
  color: var(--primary-light);
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dark-tertiary);
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  font-size: 14px;
  color: var(--text-dark-secondary);
  transition: color 0.2s ease;
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-dark-tertiary);
}

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

/* Spinner animation for form button */
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   Legal Sections
   ========================================================================== */

.legal-section {
  padding: 80px 0;
  background: var(--bg-light);
  border-top: 1px solid var(--bg-light-border);
}

.legal-container {
  max-width: 800px;
  position: relative;
}

.legal-close {
  position: sticky;
  top: 24px;
  float: right;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light-secondary);
  background: var(--bg-light-elevated);
  border: 1px solid var(--bg-light-border);
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
}

.legal-close:hover {
  color: var(--text-light-primary);
  border-color: var(--primary-lighter);
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.1);
}

.legal-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-light-primary);
  margin-bottom: 8px;
  letter-spacing: -0.03em;
  padding-top: 20px;
}

.legal-updated {
  font-size: 13px;
  color: var(--text-light-tertiary);
  margin-bottom: 32px;
}

.legal-subtitle {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-light-primary);
  margin-top: 28px;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.legal-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-light-secondary);
  margin-bottom: 12px;
}

.legal-text strong {
  color: var(--text-light-primary);
}

@media (max-width: 640px) {
  .legal-section {
    padding: 48px 0;
  }
  .legal-title {
    font-size: 24px;
  }
  .legal-close {
    position: relative;
    top: auto;
    float: none;
    margin-bottom: 16px;
  }
}