/* Klucher.ru Modern Tech-Security Stylesheet */
:root {
  --primary: #2563EB;
  --primary-hover: #1D4ED8;
  --primary-light: #EFF6FF;
  --secondary: #0F172A;
  --secondary-card: #1E293B;
  --accent: #10B981;
  --accent-light: #D1FAE5;
  --text-main: #0F172A;
  --text-muted: #64748B;
  --text-white: #FFFFFF;
  --bg-page: #F8FAFC;
  --bg-card: #FFFFFF;
  --border-light: #E2E8F0;
  --border-card: #F1F5F9;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: all 0.2s ease;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 22px;
  color: var(--secondary);
}

.logo-badge {
  font-size: 11px;
  font-weight: 600;
  background: #E2E8F0;
  color: #475569;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #2563EB, #1D4ED8);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

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

.nav-links a {
  font-weight: 500;
  font-size: 15px;
  color: var(--text-muted);
  transition: color 0.15s ease;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
}

.btn-secondary {
  background: white;
  color: var(--secondary);
  border-color: var(--border-light);
}

.btn-secondary:hover {
  background: #F8FAFC;
  border-color: #CBD5E1;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
  border-radius: var(--radius-md);
}

/* Hero Section */
.hero {
  padding: 80px 0 60px;
  overflow: hidden;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}

.badge-pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.hero-title {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.15;
  color: var(--secondary);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero-title span {
  background: linear-gradient(135deg, #2563EB, #06B6D4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-benefits {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #475569;
}

.benefit-item svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* Hero Interactive App Mockup */
.app-mockup {
  background: #0F172A;
  border-radius: var(--radius-lg);
  border: 1px solid #334155;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.4);
  padding: 24px;
  color: white;
  position: relative;
}

.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid #1E293B;
  margin-bottom: 20px;
}

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

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #334155;
}

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

.mockup-badge {
  font-size: 11px;
  background: #1E293B;
  color: #94A3B8;
  padding: 3px 8px;
  border-radius: 6px;
}

.mockup-token-card {
  background: #1E293B;
  border-radius: var(--radius-md);
  padding: 18px;
  border: 1px solid #334155;
  margin-bottom: 20px;
}

.mockup-token-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.mockup-token-name {
  font-size: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mockup-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--accent);
  background: rgba(16, 185, 129, 0.1);
  padding: 2px 8px;
  border-radius: 999px;
}

.mockup-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
}

.mockup-meta {
  font-size: 12px;
  color: #94A3B8;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mockup-button {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, #10B981, #059669);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 6px 16px rgba(16, 185, 129, 0.3);
  transition: all 0.2s ease;
}

.mockup-button:hover {
  filter: brightness(1.1);
}

.mockup-footer {
  margin-top: 16px;
  text-align: center;
  font-size: 12px;
  color: #64748B;
}

/* Logos / Ecosystem Section */
.ecosystem-section {
  padding: 40px 0 60px;
  text-align: center;
  border-bottom: 1px solid var(--border-light);
}

.ecosystem-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94A3B8;
  font-weight: 600;
  margin-bottom: 24px;
}

.ecosystem-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 32px 48px;
}

.ecosystem-item {
  font-size: 16px;
  font-weight: 700;
  color: #64748B;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: white;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

/* Section Common */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: white;
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: #CBD5E1;
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 10px;
}

.feature-text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Workflow Steps */
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.step-card {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  position: relative;
}

.step-number {
  font-size: 13px;
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-light);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.step-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 13px;
  color: var(--text-muted);
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.2s ease;
}

.pricing-card.featured {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-xl);
  transform: scale(1.03);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.pricing-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 8px;
}

.pricing-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.pricing-price {
  font-size: 40px;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.pricing-price span {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.pricing-features li {
  font-size: 14px;
  color: #334155;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.pricing-features li svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* FAQ Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  cursor: pointer;
}

.faq-question {
  font-size: 16px;
  font-weight: 700;
  color: var(--secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 12px;
  line-height: 1.6;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Footer */
.footer {
  background: var(--secondary);
  color: #94A3B8;
  padding: 60px 0 30px;
  font-size: 14px;
  border-top: 1px solid #1E293B;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  color: white;
  margin-bottom: 16px;
}

.footer-links h4 {
  color: white;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid #1E293B;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .workflow-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}