/* ============================================
   ID Manager — Dark IT Theme
   ============================================ */

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a24;
  --bg-card-hover: #1e1e2e;
  --border: #2a2a3a;
  --border-light: #3a3a4a;
  --text-primary: #e8e8f0;
  --text-secondary: #a0a0b0;
  --text-muted: #6a6a7a;
  --accent: #00d4ff;
  --accent-dark: #0088ff;
  --accent-glow: rgba(0, 212, 255, 0.15);
  --success: #00e676;
  --warning: #ffc107;
  --danger: #ff5252;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

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

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.nav-brand .logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
  background: var(--accent-glow);
}

.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #000 !important;
  font-weight: 600;
}

.nav-cta:hover {
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateY(-1px);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ============================================
   Layout
   ============================================ */

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

.page-content {
  padding-top: 64px;
  min-height: 100vh;
}

.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text-primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 48px;
}

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

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

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(0, 136, 255, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(0, 212, 255, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-screenshot {
  position: relative;
}

.hero-screenshot img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 212, 255, 0.1);
  transition: var(--transition);
}

.hero-screenshot img:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.6), 0 0 50px rgba(0, 212, 255, 0.15);
}

.hero-screenshot::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: calc(var(--radius) + 20px);
  opacity: 0.1;
  filter: blur(40px);
  z-index: -1;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #000;
}

.btn-primary:hover {
  box-shadow: 0 0 30px var(--accent-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.btn-large {
  padding: 16px 36px;
  font-size: 1.1rem;
}

.btn-full {
  width: 100%;
}

/* ============================================
   Cards
   ============================================ */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  opacity: 0;
  transition: var(--transition);
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

.card-icon {
  width: 56px;
  height: 56px;
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  font-weight: 700;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ============================================
   Feature Blocks
   ============================================ */

.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.feature-block:nth-child(even) {
  direction: rtl;
}

.feature-block:nth-child(even) > * {
  direction: ltr;
}

.feature-block img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  transition: var(--transition);
}

.feature-block img:hover {
  transform: scale(1.02);
}

.feature-block h3 {
  font-size: 1.75rem;
  margin-bottom: 16px;
  font-weight: 700;
}

.feature-block h3 span {
  color: var(--accent);
}

.feature-block p {
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.feature-list li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
  font-size: 1rem;
}

/* ============================================
   Steps
   ============================================ */

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

.steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  opacity: 0.3;
  z-index: 0;
}

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

.step-number {
  width: 80px;
  height: 80px;
  background: var(--bg-card);
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent);
  margin: 0 auto 24px;
  position: relative;
}

.step-number::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  opacity: 0.3;
  animation: ripple 3s infinite;
}

@keyframes ripple {
  0% { transform: scale(1); opacity: 0.3; }
  100% { transform: scale(1.3); opacity: 0; }
}

.step h4 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

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

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

.pricing-card {
  max-width: 420px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.pricing-card.popular {
  border-color: var(--accent);
  box-shadow: 0 0 40px var(--accent-glow);
}

.pricing-badge {
  position: absolute;
  top: 16px;
  right: -40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #000;
  padding: 4px 48px;
  font-size: 0.75rem;
  font-weight: 700;
  transform: rotate(45deg);
}

.pricing-card h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.pricing-card .price {
  font-size: 3.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 16px 0;
}

.pricing-card .price-period {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 32px;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
}

.comparison {
  text-align: center;
  margin-top: 48px;
  padding: 24px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.comparison p {
  color: var(--text-secondary);
  font-size: 1rem;
}

.comparison strong {
  color: var(--accent);
}

/* ============================================
   Forms
   ============================================ */

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

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

/* ============================================
   FAQ
   ============================================ */

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: inherit;
  transition: var(--transition);
}

.faq-question:hover {
  background: var(--bg-card-hover);
}

.faq-question .icon {
  font-size: 1.25rem;
  color: var(--accent);
  transition: var(--transition);
}

.faq-item.open .faq-question .icon {
  transform: rotate(180deg);
}

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

.faq-item.open .faq-answer {
  max-height: 500px;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   Download Page
   ============================================ */

.download-box {
  max-width: 520px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
}

.download-box .file-icon {
  font-size: 4rem;
  margin-bottom: 16px;
}

.download-box h2 {
  font-size: 1.75rem;
  margin-bottom: 8px;
}

.download-box .file-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 32px;
}

.download-box .form-group {
  text-align: left;
}

.download-box .note {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============================================
   License / Text pages
   ============================================ */

.text-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 0;
}

.text-page h1 {
  font-size: 2rem;
  margin-bottom: 32px;
  text-align: center;
}

.text-page h2 {
  font-size: 1.3rem;
  margin: 32px 0 16px;
  color: var(--accent);
}

.text-page p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.8;
}

.text-page ul {
  margin-left: 24px;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.text-page ul li {
  margin-bottom: 8px;
  line-height: 1.6;
}

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

.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 48px 0 24px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.footer-brand .logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.footer-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ============================================
   Success / Key page
   ============================================ */

.key-display {
  background: var(--bg-secondary);
  border: 2px dashed var(--accent);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  margin: 24px 0;
}

.key-display .key-code {
  font-family: 'Courier New', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
  word-break: break-all;
}

.key-display .key-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ============================================
   Screenshot Gallery
   ============================================ */

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.gallery-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.gallery-item:hover {
  transform: translateY(-4px);
  border-color: var(--border-light);
}

.gallery-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
}

.gallery-item .caption {
  padding: 16px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .hero-grid,
  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .feature-block:nth-child(even) {
    direction: ltr;
  }

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

  .steps::before {
    display: none;
  }

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px;
    gap: 8px;
  }

  .nav-links.open {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

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

  .pricing-card {
    padding: 32px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

/* ============================================
   Utilities
   ============================================ */

.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.highlight {
  color: var(--accent);
  font-weight: 600;
}

.tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
}
/* === Кнопки в hero (3 кнопки в ряд) === */
.hero-buttons {
  gap: 10px;
}
.hero-buttons .btn-large {
  padding: 12px 20px;
  font-size: 0.85rem;
}