/* ==========================================
   DESIGN TOKENS (CSS Custom Properties)
   ========================================== */
:root {
  --color-bg: #ffffff;
  --color-surface: #f8f9fa;
  --color-surface-dark: #1c1e54;
  --color-heading: #061b31;
  --color-body: #4a5568;
  --color-secondary: #718096;
  --color-accent: #533afd;
  --color-accent-hover: #4434d4;
  --color-border: #e5edf5;
  --color-success: #10b981;
  --color-success-text: #108c3d;
  --color-success-bg: rgba(16,185,129,0.2);
  --color-white: #ffffff;
  --color-white-dim: rgba(255,255,255,0.7);
  --color-ghost-border: #b9b9f9;
  --color-error: #ef4444;
  --color-error-bg: rgba(239,68,68,0.08);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --shadow-card: rgba(50,50,93,0.25) 0px 30px 45px -30px, rgba(0,0,0,0.1) 0px 18px 36px -18px;
  --shadow-light: rgba(23,23,23,0.06) 0px 3px 6px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 12px;
  --radius-full: 50%;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* ==========================================
   RESET & BASE
   ========================================== */
*, *::before, *::after {
  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-primary);
  color: var(--color-body);
  background: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

.section {
  padding: 96px 0;
}

.section-dark {
  background: var(--color-surface-dark);
  color: var(--color-white);
}

.section-dark .section-title,
.section-dark .section-subtitle {
  color: var(--color-white);
}

.section-dark .section-desc {
  color: var(--color-white-dim);
}

.section-gray {
  background: var(--color-surface);
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */
.display {
  font-size: 56px;
  font-weight: 300;
  letter-spacing: -1.2px;
  line-height: 1.1;
  color: var(--color-heading);
}

.section-title {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.64px;
  line-height: 1.25;
  color: var(--color-heading);
}

.section-subtitle {
  font-size: 24px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-heading);
}

.section-desc {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-body);
}

.body-text {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-body);
}

.small-text {
  font-size: 14px;
  line-height: 1.5;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-success-bg);
  color: var(--color-success-text);
  font-size: 14px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-primary);
  font-size: 16px;
  font-weight: 500;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-light);
}

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

.btn-ghost:hover {
  border-color: var(--color-accent);
  background: rgba(83,58,253,0.04);
  transform: translateY(-1px);
}

.btn-white {
  background: var(--color-white);
  color: var(--color-accent);
}

.btn-white:hover {
  background: #f0f0ff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-light);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 17px;
}

/* ==========================================
   CARDS
   ========================================== */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  flex-shrink: 0;
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

.card h3 {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-heading);
  margin-bottom: 8px;
}

.card p {
  font-size: 15px;
  color: var(--color-secondary);
  line-height: 1.6;
}

/* ==========================================
   NAVIGATION
   ========================================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 600;
  color: var(--color-heading);
  letter-spacing: -0.3px;
}

.nav-logo svg {
  flex-shrink: 0;
}

/* Logo dropdown — "Ваш личный DG" slides out from under the logo on hover */
.nav-logo-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.nav-logo-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  padding-top: 10px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  z-index: 1001;
}
.nav-logo-wrap:hover .nav-logo-dropdown,
.nav-logo-dropdown:hover {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-logo-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 10px 18px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #533afd, #7a5cff);
  border: 1px solid rgba(122, 92, 255, 0.6);
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(83, 58, 253, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.nav-logo-dropdown-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(83, 58, 253, 0.55);
}
.nav-logo-dropdown-btn svg {
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-fast);
  border-radius: 1px;
}

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

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.active {
  color: var(--color-accent);
}

.nav-links a.active::after {
  width: 100%;
}

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

/* Mobile menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--color-heading);
}

.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 998;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.mobile-menu-overlay.active {
  display: block;
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--color-white);
  z-index: 999;
  padding: 24px;
  flex-direction: column;
  gap: 24px;
  transition: right 0.3s ease;
  box-shadow: -4px 0 24px rgba(0,0,0,0.08);
}

.mobile-menu.active {
  right: 0;
  display: flex;
}

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--color-heading);
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-menu-links a {
  display: block;
  padding: 12px 8px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-heading);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.mobile-menu-links a:hover {
  background: var(--color-surface);
}

.mobile-menu-links a.active {
  color: var(--color-accent);
  background: rgba(83,58,253,0.06);
}

.mobile-menu .btn {
  width: 100%;
  justify-content: center;
  margin-top: auto;
}

/* ==========================================
   HERO
   ========================================== */
.hero {
  padding: 80px 0 64px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(83,58,253,0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  max-width: 720px;
}

.hero-content .display {
  margin-bottom: 20px;
}

.hero-content .section-desc {
  margin-bottom: 32px;
  max-width: 600px;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background: var(--color-surface);
  padding: 64px 0 0;
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-border);
}

.footer-brand p {
  font-size: 14px;
  color: var(--color-secondary);
  margin-top: 12px;
  line-height: 1.6;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-heading);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--color-secondary);
  margin-bottom: 10px;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-heading);
}

.footer-col p {
  font-size: 14px;
  color: var(--color-secondary);
  margin-bottom: 10px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 14px;
  color: var(--color-secondary);
}

.footer-bottom a {
  color: var(--color-accent);
  text-decoration: none;
}

.footer-bottom a:hover {
  text-decoration: underline;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-secondary);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.footer-socials a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(83,58,253,0.04);
}

/* ==========================================
   COOKIE BANNER
   ========================================== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-heading);
  color: #fff;
  padding: 16px 24px;
  z-index: 9999;
  display: none;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
}

.cookie-banner.show {
  display: block;
}

.cookie-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.cookie-banner p {
  font-size: 14px;
  line-height: 1.5;
  margin: 0;
  color: rgba(255,255,255,0.9);
}

.cookie-banner a {
  color: #b9b9f9;
  text-decoration: underline;
}

.cookie-banner .btn-cookie {
  background: var(--color-accent);
  color: #fff;
  border: none;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-primary);
  white-space: nowrap;
  transition: background var(--transition-fast);
}

.cookie-banner .btn-cookie:hover {
  background: var(--color-accent-hover);
}

/* ==========================================
   SECTION HEADER
   ========================================== */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-header .badge {
  margin-bottom: 12px;
}

.section-header .section-title {
  margin-bottom: 12px;
}

/* ==========================================
   CTA SECTION
   ========================================== */
.cta-section {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.cta-section .section-title {
  margin-bottom: 16px;
}

.cta-section .section-desc {
  margin-bottom: 32px;
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-in-delay-1 { animation-delay: 0.1s; }
.animate-in-delay-2 { animation-delay: 0.2s; }
.animate-in-delay-3 { animation-delay: 0.3s; }
.animate-in-delay-4 { animation-delay: 0.4s; }

/* Hero visual animated elements */
.vis-dots {
  animation: pulse-glow 3s ease-in-out infinite;
}

/* ==========================================
   CONTACT INFO CARD
   ========================================== */
.contact-info-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact-info-card h3 {
  font-size: 20px;
  font-weight: 500;
  color: var(--color-heading);
  margin-bottom: 24px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

.contact-item:last-of-type {
  border-bottom: none;
}

.contact-item svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent);
}

.contact-item-content {
  flex: 1;
}

.contact-item-label {
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-secondary);
  margin-bottom: 2px;
}

.contact-item-value {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-heading);
}

.contact-item-value a {
  color: var(--color-accent);
  text-decoration: none;
}

.contact-item-value a:hover {
  text-decoration: underline;
}

/* ==========================================
   FORM STYLES
   ========================================== */
.contact-form {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.contact-form h3 {
  font-size: 20px;
  font-weight: 500;
  color: var(--color-heading);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-heading);
  margin-bottom: 6px;
}

.form-group .required {
  color: var(--color-accent);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: 15px;
  color: var(--color-heading);
  background: var(--color-bg);
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-secondary);
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--color-secondary);
  margin-bottom: 20px;
  cursor: pointer;
  line-height: 1.4;
}

.form-checkbox input[type="checkbox"] {
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--color-accent);
}

.form-checkbox a {
  color: var(--color-accent);
  text-decoration: underline;
}

.form-note {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--color-secondary);
}

.form-note svg {
  flex-shrink: 0;
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}

.form-success.show {
  display: block;
}

.form-success svg {
  width: 56px;
  height: 56px;
  color: var(--color-success);
  margin-bottom: 16px;
}

.form-success h4 {
  font-size: 20px;
  font-weight: 500;
  color: var(--color-heading);
  margin-bottom: 8px;
}

.form-success p {
  font-size: 14px;
  color: var(--color-secondary);
}

/* ==========================================
   CONTACT GRID
   ========================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 48px;
  align-items: start;
}

/* ==========================================
   SOCIAL GRID
   ========================================== */
.social-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.social-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all var(--transition-normal);
}

.social-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}

.social-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.social-card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.social-card-icon svg {
  width: 22px;
  height: 22px;
}

.social-card-icon.telegram {
  background: rgba(0,136,204,0.1);
  color: #0088cc;
}

.social-card-icon.linkedin {
  background: rgba(0,119,181,0.1);
  color: #0077b5;
}

.social-card h3 {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-heading);
}

.social-card p {
  font-size: 14px;
  color: var(--color-secondary);
  line-height: 1.6;
}

/* ==========================================
   REQUISITES
   ========================================== */
.requisites-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 48px auto 0;
}

.requisite-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  transition: all var(--transition-normal);
}

.requisite-item:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.requisite-label {
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-secondary);
  margin-bottom: 6px;
}

.requisite-value {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-heading);
}

.requisite-value a {
  color: var(--color-accent);
  text-decoration: none;
}

/* ==========================================
   PRIVACY PAGE SPECIFIC
   ========================================== */
.privacy-page { padding: 64px 0 96px; }
.privacy-page .container { max-width: 800px; }
.privacy-page h1 {
  font-size: 36px; font-weight: 400; letter-spacing: -0.64px;
  color: var(--color-heading); margin-bottom: 8px;
  line-height: 1.25;
}
.privacy-date {
  font-size: 14px; color: var(--color-secondary);
  margin-bottom: 48px;
}
.privacy-page h2 {
  font-size: 22px; font-weight: 500;
  color: var(--color-heading); margin-top: 40px; margin-bottom: 16px;
}
.privacy-page h3 {
  font-size: 18px; font-weight: 500;
  color: var(--color-heading); margin-top: 28px; margin-bottom: 12px;
}
.privacy-page p {
  margin-bottom: 16px; font-size: 16px;
}
.privacy-page ul, .privacy-page ol {
  margin-bottom: 16px; padding-left: 24px;
}
.privacy-page li {
  margin-bottom: 8px; font-size: 16px;
}
.privacy-page .btn-back {
  display: inline-flex; align-items: center; gap: 6px;
  margin-bottom: 32px; font-size: 15px; font-weight: 500;
  color: var(--color-accent); text-decoration: none;
}
.privacy-page a {
  color: var(--color-accent);
  text-decoration: none;
}
.privacy-page a:hover {
  text-decoration: underline;
}

/* ==========================================
   SERVICE DETAIL
   ========================================== */
.service-detail-header {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 20px;
}

.service-detail-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(83,58,253,0.08);
  flex-shrink: 0;
}

.service-detail-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
}

.service-detail-title {
  font-size: 22px;
  font-weight: 500;
  color: var(--color-heading);
  margin-bottom: 4px;
  line-height: 1.3;
}

.service-detail-text {
  font-size: 16px;
  color: var(--color-body);
  line-height: 1.7;
  margin-bottom: 16px;
}

.service-detail-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.service-detail-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--color-body);
  line-height: 1.5;
}

.service-detail-feature svg {
  flex-shrink: 0;
  margin-top: 3px;
}

/* ==========================================
   STEPS TIMELINE (Services page)
   ========================================== */
.steps-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  margin-top: 48px;
  position: relative;
}

.steps-timeline::before {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(10% + 16px);
  right: calc(10% + 16px);
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-border) 100%);
  z-index: 0;
}

/* ==========================================
   FAQ
   ========================================== */
.faq-list {
  max-width: 800px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-primary);
  font-size: 17px;
  font-weight: 500;
  color: var(--color-heading);
  text-align: left;
  line-height: 1.4;
  transition: color var(--transition-fast);
}

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

.faq-question svg {
  flex-shrink: 0;
  transition: transform var(--transition-fast);
  color: var(--color-secondary);
}

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

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

.faq-answer.open {
  max-height: 300px;
  padding-bottom: 20px;
}

.faq-answer p {
  font-size: 16px;
  color: var(--color-body);
  line-height: 1.7;
}

/* ==========================================
   INDEX PAGE SPECIFIC
   ========================================== */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-content .section-desc {
  max-width: 540px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-stat-value {
  font-size: 32px;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: -0.4px;
}

.hero-stat-label {
  font-size: 14px;
  color: var(--color-secondary);
}

/* Hero visual — abstract SVG composition */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-visual-inner {
  width: 100%;
  max-width: 480px;
  position: relative;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.step-card {
  text-align: center;
  padding: 32px 24px;
}

.step-number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(83,58,253,0.08);
  color: var(--color-accent);
  font-size: 20px;
  font-weight: 600;
  margin: 0 auto 16px;
}

.step-card h3 {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-heading);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 14px;
  color: var(--color-secondary);
  line-height: 1.6;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all var(--transition-normal);
}

.service-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.service-card .card-icon {
  background: rgba(83,58,253,0.08);
  color: var(--color-accent);
}

.service-card h4 {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-heading);
  margin-bottom: 8px;
}

.service-card p {
  font-size: 14px;
  color: var(--color-secondary);
  line-height: 1.6;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.case-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all var(--transition-normal);
}

.case-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.case-amount {
  font-size: 28px;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: -0.4px;
  margin-bottom: 4px;
}

.case-label {
  font-size: 13px;
  color: var(--color-secondary);
  margin-bottom: 16px;
}

.case-card h4 {
  font-size: 17px;
  font-weight: 500;
  color: var(--color-heading);
  margin-bottom: 6px;
}

.case-card p {
  font-size: 14px;
  color: var(--color-secondary);
  line-height: 1.6;
}

.stats-banner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-item .hero-stat-value {
  color: var(--color-white);
}

.stat-item .hero-stat-label {
  color: var(--color-white-dim);
}

/* ==========================================
   SERVICES PAGE SPECIFIC
   ========================================== */
.service-detail {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: all var(--transition-normal);
  margin-top: 24px;
}

.service-detail:first-of-type {
  margin-top: 0;
}

.service-detail:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}

.service-detail-header {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 24px;
}

.service-detail-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.service-detail-icon svg {
  width: 28px;
  height: 28px;
}

.service-detail-icon.purple { background: rgba(83,58,253,0.1); color: var(--color-accent); }
.service-detail-icon.green { background: rgba(16,185,129,0.1); color: var(--color-success-text); }
.service-detail-icon.amber { background: rgba(245,158,11,0.1); color: #d97706; }
.service-detail-icon.blue { background: rgba(59,130,246,0.1); color: #2563eb; }
.service-detail-icon.teal { background: rgba(20,184,166,0.1); color: #0d9488; }
.service-detail-icon.rose { background: rgba(244,63,94,0.1); color: #e11d48; }
.service-detail-icon.indigo { background: rgba(99,102,241,0.1); color: #4f46e5; }

.service-detail h3 {
  font-size: 22px;
  font-weight: 500;
  color: var(--color-heading);
  margin-bottom: 4px;
}

.service-detail-sub {
  font-size: 14px;
  color: var(--color-secondary);
  margin-bottom: 16px;
}

.service-detail p {
  font-size: 15px;
  color: var(--color-body);
  line-height: 1.7;
}

.service-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 32px;
}

.service-feature-list h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.service-feature-list li {
  font-size: 14px;
  color: var(--color-secondary);
  margin-bottom: 8px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.service-feature-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  flex-shrink: 0;
  margin-top: 7px;
}

.service-tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.service-tech-item {
  font-size: 13px;
  padding: 4px 12px;
  background: var(--color-surface);
  border-radius: 20px;
  color: var(--color-secondary);
}

/* ==========================================
   CASES PAGE SPECIFIC
   ========================================== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 48px;
}

.filter-btn {
  font-family: var(--font-primary);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 20px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.filter-btn.active {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.cases-detailed-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.case-card-detailed {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px 40px;
  transition: all var(--transition-normal);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  align-items: start;
}

.case-card-detailed:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}

.case-card-detailed .case-amount {
  font-size: 24px;
}

.case-card-logo {
  width: 100%;
  max-width: 160px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-bottom: 12px;
}

.case-card-logo img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.case-card-detailed .case-card-logo + .case-amount {
  margin-top: 8px;
}

/* Логотипы в карточках на главной */
.case-card .case-card-logo {
  max-width: 140px;
  height: 40px;
  margin-bottom: 16px;
}

.case-card .card-logo-img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: brightness(0) saturate(100%);
  opacity: 0.85;
  transition: opacity var(--transition-normal);
}

.case-card:hover .card-logo-img {
  opacity: 1;
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.case-tag {
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--color-surface);
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.case-tag.highlight {
  background: rgba(83,58,253,0.08);
  color: var(--color-accent);
}

/* ==========================================
   TEAM PAGE SPECIFIC
   ========================================== */
.approach-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 48px;
}

.approach-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.approach-icon-ring {
  width: 280px;
  height: 280px;
  border-radius: var(--radius-full);
  background: rgba(83,58,253,0.04);
  border: 1px solid rgba(83,58,253,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
}

.approach-icon-ring svg {
  width: 100px;
  height: 100px;
  color: var(--color-accent);
  opacity: 0.8;
}

.approach-content h3 {
  font-size: 22px;
  font-weight: 500;
  color: var(--color-heading);
  margin-bottom: 16px;
}

.approach-content p {
  font-size: 15px;
  color: var(--color-body);
  line-height: 1.7;
  margin-bottom: 16px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.value-card {
  text-align: center;
  padding: 32px 24px;
}

.value-number {
  font-size: 40px;
  font-weight: 300;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.value-card h3 {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-heading);
  margin-bottom: 8px;
}

.value-card p {
  font-size: 14px;
  color: var(--color-secondary);
  line-height: 1.6;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.team-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all var(--transition-normal);
  text-align: center;
}

.team-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-accent), #7c6aff);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 28px;
  font-weight: 500;
  color: white;
}

.team-card h3 {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-heading);
  margin-bottom: 4px;
}

.team-role {
  font-size: 14px;
  color: var(--color-secondary);
  margin-bottom: 12px;
}

.team-desc {
  font-size: 14px;
  color: var(--color-body);
  line-height: 1.6;
}

/* ==========================================
   AI PAGE SPECIFIC
   ========================================== */
.hero-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 0;
  flex-wrap: wrap;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 32px;
}

.problem-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.problem-icon-ring {
  width: 240px;
  height: 240px;
  border-radius: var(--radius-full);
  background: rgba(239,68,68,0.04);
  border: 1px solid rgba(239,68,68,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
}

.problem-icon-ring svg {
  width: 80px;
  height: 80px;
  color: #ef4444;
  opacity: 0.7;
}

.problem-content h3 {
  font-size: 22px;
  font-weight: 500;
  color: var(--color-heading);
  margin-bottom: 16px;
}

.problem-content p {
  font-size: 15px;
  color: var(--color-body);
  line-height: 1.7;
  margin-bottom: 12px;
}

.problem-list {
  list-style: none;
  margin-top: 16px;
}

.problem-list li {
  font-size: 14px;
  color: var(--color-secondary);
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.problem-list li::before {
  content: '✗';
  color: #ef4444;
  font-weight: 600;
  flex-shrink: 0;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.solution-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all var(--transition-normal);
}

.solution-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}

.solution-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.solution-card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.solution-card-icon svg {
  width: 22px;
  height: 22px;
}

.solution-card-icon.purple { background: rgba(83,58,253,0.1); color: var(--color-accent); }
.solution-card-icon.green { background: rgba(16,185,129,0.1); color: var(--color-success-text); }
.solution-card-icon.amber { background: rgba(245,158,11,0.1); color: #d97706; }
.solution-card-icon.blue { background: rgba(59,130,246,0.1); color: #2563eb; }
.solution-card-icon.red { background: rgba(239,68,68,0.1); color: #ef4444; }

.solution-card h3 {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-heading);
}

.solution-card p {
  font-size: 14px;
  color: var(--color-body);
  line-height: 1.7;
  margin-bottom: 16px;
}

.solution-results {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.solution-result {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-success-text);
  font-weight: 500;
}

.solution-result svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.benefit-card {
  text-align: center;
  padding: 32px 24px;
}

.benefit-number {
  font-size: 36px;
  font-weight: 300;
  color: var(--color-accent);
  margin-bottom: 8px;
  letter-spacing: -0.8px;
}

.benefit-card h3 {
  font-size: 17px;
  font-weight: 500;
  color: var(--color-heading);
  margin-bottom: 8px;
}

.benefit-card p {
  font-size: 14px;
  color: var(--color-secondary);
  line-height: 1.6;
}

/* ==========================================
   SITE SUPPORT PAGE SPECIFIC
   ========================================== */
.pricing-block {
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
}

.pricing-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 8px;
}

.pricing-list li {
  font-size: 16px;
  color: var(--color-body);
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.pricing-list li::before {
  content: '';
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23533afd' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/contain no-repeat;
}

.pricing-block .btn {
  margin-top: 32px;
}

/* ==========================================
   RESPONSIVE — TABLET (640–1024px)
   ========================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-visual {
    order: -1;
  }

  .hero-visual-inner {
    max-width: 360px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

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

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

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

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

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

  .approach-grid,
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .case-card-detailed {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

/* ==========================================
   RESPONSIVE — MOBILE (< 640px)
   ========================================== */
@media (max-width: 640px) {
  .section {
    padding: 56px 0;
  }

  .display {
    font-size: 32px;
    letter-spacing: -0.6px;
  }

  .section-title {
    font-size: 26px;
    letter-spacing: -0.4px;
  }

  .section-subtitle {
    font-size: 20px;
  }

  .section-desc {
    font-size: 16px;
  }

  .container {
    padding: 0 16px;
  }

  .nav-links,
  .nav-cta .btn {
    display: none;
  }

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

  .hero {
    padding: 40px 0 48px;
  }

  .hero-grid {
    gap: 24px;
  }

  .hero-stats {
    gap: 20px;
  }

  .hero-stat-value {
    font-size: 26px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .services-grid,
  .cases-grid,
  .values-grid,
  .team-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .stats-banner {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

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

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

  .contact-form {
    padding: 24px;
  }

  .contact-info-card {
    padding: 24px;
  }

  .social-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .social-card {
    padding: 28px 24px;
  }

  .requisites-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

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

  .approach-grid,
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .steps-timeline {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .case-card-detailed {
    grid-template-columns: 1fr;
    padding: 24px;
    gap: 12px;
  }

  .service-detail {
    padding: 24px;
  }

  .service-detail-header {
    flex-direction: column;
    gap: 12px;
  }

  .service-features {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}