/* Глобальные стили */
:root {
  --primary: #0f172a;
  --secondary: #1e293b;
  --accent: #3b82f6;
  --neon: #06b6d4;
  --light: #f8fafc;
  --text: #e2e8f0;
  --text-secondary: #94a3b8;
  --success: #10b981;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  --glass: rgba(15, 23, 42, 0.7);
  --radius: 16px;
  --radius-lg: 24px;
  --border: 1px solid rgba(148, 163, 184, 0.15);
}

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

body {
  font-family: 'Manrope', sans-serif;
  background: linear-gradient(135deg, var(--primary) 0%, #0c1220 100%);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  background-attachment: fixed;
}

h1, h2, h3, h4, h5 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  color: var(--light);
  line-height: 1.2;
}

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(90deg, var(--accent) 0%, var(--neon) 100%);
  color: white;
  padding: 16px 36px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 18px;
  text-align: center;
  position: relative;
  overflow: hidden;
  z-index: 1;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.btn:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--neon) 0%, var(--accent) 100%);
  opacity: 0;
  transition: var(--transition);
  z-index: -1;
}

.btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(59, 130, 246, 0.5);
}

.btn:hover:after {
  opacity: 1;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--text);
  box-shadow: none;
}

.btn-outline:hover {
  background: rgba(59, 130, 246, 0.1);
}

section {
  padding: 120px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 80px;
  font-size: 48px;
  position: relative;
  display: inline-block;
  width: 100%;
}

.section-title span {
  background: linear-gradient(90deg, var(--accent), var(--neon));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-title:after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--neon));
  border-radius: 2px;
}

.text-center {
  text-align: center;
}

/* Footer */
footer {
  background: var(--secondary);
  padding: 100px 0 50px;
  position: relative;
  overflow: hidden;
}

footer:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
          radial-gradient(circle at top right, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
          radial-gradient(circle at bottom left, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 50px;
  margin-bottom: 60px;
  position: relative;
  z-index: 2;
}

.footer-col h4 {
  color: var(--light);
  margin-bottom: 25px;
  font-size: 22px;
  position: relative;
  padding-bottom: 15px;
}

.footer-col h4:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--neon));
  border-radius: 2px;
}

.footer-col p {
  color: var(--text-secondary);
  margin-bottom: 25px;
  line-height: 1.8;
}

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

.footer-col ul li {
  margin-bottom: 15px;
}

.footer-col ul li a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.footer-col ul li a i {
  width: 24px;
  color: var(--neon);
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 25px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: rgba(15, 23, 42, 0.5);
  border-radius: 50%;
  color: var(--text);
  font-size: 20px;
  transition: var(--transition);
  border: var(--border);
}

.social-links a:hover {
  background: linear-gradient(90deg, var(--accent), var(--neon));
  color: var(--primary);
  transform: translateY(-5px);
}

.copyright {
  text-align: center;
  padding-top: 50px;
  border-top: var(--border);
  font-size: 16px;
  color: var(--text-secondary);
  position: relative;
  z-index: 2;
}

/* Адаптивность */
@media (max-width: 1200px) {
  .blog-hero h1 {
    font-size: 56px;
  }

  .section-title {
    font-size: 42px;
  }
}

@media (max-width: 992px) {
  .blog-hero {
    padding: 180px 0 80px;
  }

  .blog-hero h1 {
    font-size: 48px;
  }

  .blog-hero p {
    font-size: 20px;
  }

  .section-title {
    font-size: 36px;
  }

  .blog-container {
    flex-direction: column;
  }

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

  nav ul {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--secondary);
    flex-direction: column;
    padding: 100px 40px 40px;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
  }

  nav ul.active {
    right: 0;
  }

  .header-container {
    padding: 15px 0;
  }

  .header-contacts {
    display: none;
  }
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }

  .blog-hero {
    padding: 150px 0 60px;
  }

  .blog-hero h1 {
    font-size: 40px;
  }

  .blog-hero p {
    font-size: 18px;
  }

  .section-title {
    font-size: 32px;
  }

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

@media (max-width: 576px) {
  .container {
    padding: 0 20px;
  }

  .blog-hero h1 {
    font-size: 36px;
  }

  .section-title {
    font-size: 28px;
  }

  .blog-content-inner,
  .blog-footer,
  .sidebar-widget {
    padding: 25px;
  }

  .pagination {
    flex-wrap: wrap;
  }
}
/* Глобальные переменные */
:root {
  --primary: #0f172a;
  --secondary: #1e293b;
  --accent: #3b82f6;
  --neon: #06b6d4;
  --light: #f8fafc;
  --text: #e2e8f0;
  --text-secondary: #94a3b8;
  --success: #10b981;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  --glass: rgba(15, 23, 42, 0.7);
  --radius: 16px;
  --radius-lg: 24px;
  --border: 1px solid rgba(148, 163, 184, 0.15);
}

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

body {
  font-family: 'Manrope', sans-serif;
  background: linear-gradient(135deg, var(--primary) 0%, #0c1220 100%);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  background-attachment: fixed;
}

h1, h2, h3, h4, h5 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  color: var(--light);
  line-height: 1.2;
}

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(90deg, var(--accent) 0%, var(--neon) 100%);
  color: white;
  padding: 16px 36px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 18px;
  text-align: center;
  position: relative;
  overflow: hidden;
  z-index: 1;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.btn:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--neon) 0%, var(--accent) 100%);
  opacity: 0;
  transition: var(--transition);
  z-index: -1;
}

.btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(59, 130, 246, 0.5);
}

.btn:hover:after {
  opacity: 1;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--text);
  box-shadow: none;
}

.btn-outline:hover {
  background: rgba(59, 130, 246, 0.1);
}

section {
  padding: 120px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 80px;
  font-size: 48px;
  position: relative;
  display: inline-block;
  width: 100%;
}

.section-title span {
  background: linear-gradient(90deg, var(--accent), var(--neon));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-title:after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--neon));
  border-radius: 2px;
}

.text-center {
  text-align: center;
}

/* Глобальные анимации */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.7); }
  70% { box-shadow: 0 0 0 20px rgba(59, 130, 246, 0); }
  100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
}

@keyframes pulse-icon {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

/* Header */
header {
  background: var(--glass);
  backdrop-filter: blur(10px);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  border-bottom: var(--border);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.logo {
  font-size: 32px;
  font-weight: 800;
  color: var(--light);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo span {
  background: linear-gradient(90deg, var(--accent), var(--neon));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo i {
  color: var(--neon);
}

.logo-tagline {
  font-size: 14px;
  margin-left: 10px;
  color: var(--neon);
  font-weight: 500;
  letter-spacing: 0.5px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 40px;
}

nav ul li a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 8px 0;
}

nav ul li a:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--neon));
  transition: var(--transition);
}

nav ul li a:hover {
  color: var(--neon);
}

nav ul li a:hover:after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--light);
  z-index: 1001;
}

.header-contacts {
  display: flex;
  gap: 20px;
  align-items: center;
}

.header-contacts a {
  color: var(--text);
  text-decoration: none;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.header-contacts a:hover {
  color: var(--neon);
}

.header-contacts a i {
  color: var(--accent);
}

/* Адаптивность */
@media (max-width: 1200px) {
  .hero h1 {
    font-size: 56px;
  }

  .section-title {
    font-size: 42px;
  }

  .approach-container {
    flex-direction: column;
  }

  .approach-image {
    width: 100%;
    height: 400px;
  }

  .feature-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 992px) {
  .hero {
    padding: 180px 0 100px;
  }

  .hero h1 {
    font-size: 48px;
  }

  .hero p {
    font-size: 20px;
  }

  .section-title {
    font-size: 36px;
  }

  .data-point-value {
    font-size: 36px;
  }

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

  nav ul {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--secondary);
    flex-direction: column;
    padding: 100px 40px 40px;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
  }

  nav ul.active {
    right: 0;
  }

  .header-container {
    padding: 15px 0;
  }

  .header-contacts {
    display: none;
  }
}

@media (max-width: 768px) {
  section {
    padding: 80px 0;
  }

  .hero {
    padding: 150px 0 80px;
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero p {
    font-size: 18px;
  }

  .hero-btns {
    flex-direction: column;
    gap: 15px;
  }

  .section-title {
    font-size: 32px;
  }

  .contact-form-container {
    padding: 40px 30px;
  }

  .hero-image-inner {
    height: 300px;
  }

  .data-points {
    gap: 30px;
  }

  .approach-stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 20px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .section-title {
    font-size: 28px;
  }

  .services-grid,
  .databases-grid,
  .cases-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .service-header,
  .service-content,
  .service-footer,
  .database-content,
  .database-footer,
  .case-content,
  .case-footer,
  .blog-content,
  .blog-footer {
    padding: 25px;
  }

  .contact-form-container {
    padding: 30px 20px;
  }

  .faq-question {
    padding: 20px;
    font-size: 18px;
  }
}