:root {
  --bg-primary: #e0e5ec;
  --bg-card: rgba(224, 229, 236, 0.85);
  --text-primary: #2d3436;
  --text-light: #ffffff;
  --shadow-light: #fafafa;
  --shadow-dark: #000000;
  --accent-color: #0551b694;
  --accent-solid: #0551b6;
  --accent-p: #265ea8;
  --font-family: "Quicksand", sans-serif;
  --border-radius: 30px;
  --transition-smooth: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

.app-container {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 2vh 0;
}

.main-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.spacer {
  flex: 1;
  min-height: 20px;
}

.spacer-flex {
  flex: 1;
}

.bg-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: linear-gradient(135deg,
      #14456db2 15%,
      #feffff 25%,
      #232b38 40.8%,
      #0f2e52 65%,
      #ffffff 90%,
      #14456db2 100%);
  background-size: 400% 400%;
}

@media (prefers-reduced-motion: no-preference) {
  .bg-gradient {
    animation: gradientMove 20s ease-in-out infinite;
  }
}

@keyframes gradientMove {
  0%,
  100% {
    background-position: 0% 50%;
  }
  25% {
    background-position: 100% 0%;
  }
  50% {
    background-position: 100% 50%;
  }
  75% {
    background-position: 0% 100%;
  }
}

#neuralCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

.site-header {
  background: rgba(224, 229, 236, 0.8);
  padding: 26px 24px;
  position: sticky;
  top: 0;
  z-index: 1000;
  flex-shrink: 0;
  width: 100%;
  box-shadow: inset 1px 1px 3px #e3eaf5, inset -1px -1px 3px #4e505a;
}

@media (prefers-reduced-motion: no-preference) {
  .site-header {
    animation: slideDown 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    transform: translateY(-100%);
  }
}

@keyframes slideDown {
  0% {
    transform: translateY(-100%);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-logo {
  font-weight: 700;
  font-size: 2rem;
  color: var(--accent-p);
  text-shadow: 1px 0px 1px #5d6066, -1px -0px 1px var(--shadow-light);
  cursor: pointer;
}

.site-logo h1 {
  font-size: inherit;
  font-weight: inherit;
  margin: 0;
  color: var(--accent-p);
}

.main-nav {
  position: relative;
}

.menu-toggle {
  background: var(--bg-primary);
  border: none;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 2px 2px 4px var(--shadow-dark);
  transition: all 0.3s;
  color: var(--shadow-dark);
  font-family: var(--font-family);
  opacity: 0;
  transform: scale(0.8);
}

@media (prefers-reduced-motion: no-preference) {
  .menu-toggle {
    animation: btnPop 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) 0.6s forwards;
  }
}

@keyframes btnPop {
  0% {
    opacity: 0;
    transform: scale(0.8) rotate(-6deg);
  }
  60% {
    transform: scale(1.05) rotate(2deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

.menu-toggle:hover {
  box-shadow: inset 3px 3px 6px var(--shadow-dark), inset -3px -3px 6px var(--shadow-light);
  transform: scale(0.96);
}

@media (prefers-reduced-motion: reduce) {
  .menu-toggle {
    opacity: 1;
    transform: scale(1);
  }
}

.menu-toggle i {
  margin-right: 8px;
}

.nav-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: 58px;
  background: rgba(223, 232, 243, 1);
  min-width: 300px;
  border-radius: 20px;
  padding: 12px 0;
  box-shadow: 6px 6px 12px var(--shadow-dark), -6px -6px 12px var(--shadow-light);
}

@media (prefers-reduced-motion: no-preference) {
  .nav-dropdown.is-animating {
    animation: neoDrop 0.3s ease;
  }
}

@keyframes neoDrop {
  from {
    opacity: 0;
    transform: translateY(-10px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.nav-dropdown.is-active {
  display: block;
}

.nav-dropdown a {
  display: block;
  padding: 12px 24px;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s;
  border-radius: 12px;
  margin: 0 8px;
}

.nav-dropdown a:hover {
  background: #d0d5dd;
  box-shadow: inset 3px 3px 6px var(--shadow-dark), inset -3px -3px 6px var(--shadow-light);
}

.nav-dropdown a i {
  margin-right: 10px;
  color: var(--accent-color);
}

.hero-card {
  width: 100%;
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-bottom: 0;
  margin-top: 40px;
}

.hero-card-content {
  background: var(--bg-card);
  padding: 28px 50px;
  border-radius: var(--border-radius);
  width: 100%;
  position: relative;
  z-index: 2;
  box-shadow: 2px 2px 4px var(--shadow-dark);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease;
}

.hero-card-content:hover {
  transform: translateY(-4px);
  box-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
}

.hero-card h2 {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.9;
  margin-bottom: 1.5vh;
  text-shadow: 1px 0px 1px #142441, -1px -0px 1px var(--shadow-light);
}

.hero-card h2 span {
  color: var(--accent-p);
}

.hero-card p {
  font-size: 1.05rem;
  color: var(--accent-p);
  line-height: 1.6;
  margin-bottom: 1.5vh;
  font-weight: 600;
}

.hero-card p:last-of-type {
  margin-bottom: 2vh;
}

.btn-primary {
  display: inline-block;
  background: var(--bg-primary);
  color: var(--text-primary);
  padding: 14px 40px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  box-shadow: 2px 2px 4px var(--shadow-dark);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: none;
  cursor: pointer;
  font-family: var(--font-family);
  position: relative;
  overflow: hidden;
  margin-top: 0.5vh;
}

.btn-primary::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg,
      transparent,
      rgba(230, 14, 14, 0.05),
      transparent);
  transform: rotate(45deg) translateX(-100%);
  transition: transform 0.8s;
}

.btn-primary:hover::before {
  transform: rotate(45deg) translateX(100%);
}

.btn-primary:hover {
  box-shadow: inset 3px 3px 6px var(--shadow-dark), inset -3px -3px 6px var(--shadow-light);
  transform: scale(0.96) translateY(-2px);
}

.btn-primary i {
  margin-right: 10px;
  transition: transform 0.3s;
}

.btn-primary:hover i {
  transform: scale(1.2);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4%;
  flex-shrink: 0;
}

.service-card {
  background: var(--bg-card);
  padding: 24px;
  border-radius: var(--border-radius);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 2px 2px 4px var(--shadow-dark);
  display: flex;
  flex-direction: column;
  cursor: default;
}

.service-card[data-href] {
  cursor: pointer;
}

.service-card:focus-visible,
.menu-toggle:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.social-links a:focus-visible {
  outline: 3px solid var(--accent-solid);
  outline-offset: 3px;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
}

.service-card img {
  width: 100%;
  height: 130px;
  object-fit: cover;
  border-radius: 20px;
  margin-bottom: 12px;
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: inset 3px 3px 6px var(--shadow-dark), inset -3px -3px 6px var(--shadow-light);
}

.service-card:hover img {
  transform: scale(0.98);
  box-shadow: 4px 4px 8px var(--shadow-dark), -4px -4px 8px var(--shadow-light);
}

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  position: relative;
  display: inline-block;
  margin-bottom: 1vh;
  color: var(--shadow-dark);
}

.service-card h3::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: width 0.4s;
}

.service-card:hover h3::after {
  width: 100%;
}

.service-card p {
  color: var(--accent-p);
  line-height: 1.5;
  font-size: 0.9rem;
  margin: 0.6vh 0 2vh 0;
  font-weight: 600;
  flex: 1;
}

.btn-secondary {
  display: inline-block;
  padding: 12px 36px;
  background: var(--bg-primary);
  color: var(--shadow-dark);
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 2px 2px 4px var(--shadow-dark);
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  font-family: var(--font-family);
  align-self: flex-start;
}

.btn-secondary:hover {
  box-shadow: inset 3px 3px 6px var(--shadow-dark), inset -3px -3px 6px var(--shadow-light);
  transform: scale(0.94);
  color: var(--accent-color);
}

.site-footer {
  background: rgba(224, 229, 236, 0.7);
  padding: 20px 24px;
  box-shadow: inset 1px 1px 3px #474a4e, inset -1px -1px 3px #626679;
  flex-shrink: 0;
  width: 100%;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  gap: 16px;
}

.footer-info p {
  color: var(--accent-p);
  font-weight: 600;
  margin: 0;
}

.social-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  font-size: 1.6rem;
  color: var(--text-primary);
  border-radius: 50%;
  background: var(--bg-primary);
  box-shadow: inset 3px 3px 6px #818a97, inset -3px -3px 6px #ffffff;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  text-decoration: none;
}

.social-links a[data-social="telegram"]:hover {
  color: #1877f2;
  transform: scale(0.92) translateY(-3px);
}

.social-links a[data-social="facebook"]:hover {
  color: #0a66c2;
  transform: scale(0.92) translateY(-3px);
}

.social-links a[data-social="youtube"]:hover {
  color: #ff0000;
  transform: scale(0.92) translateY(-3px);
}

.social-links a[data-social="instagram"]:hover {
  color: #e4405f;
  transform: scale(0.92) translateY(-3px);
}

.social-links a[data-social="twitter"]:hover {
  color: #2c5592;
  transform: scale(0.92) translateY(-3px);
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
    transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  }

  .reveal.is-active {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 1024px) {
  .header-inner {
    padding: 0 20px;
  }

  .site-logo {
    font-size: 1.6rem;
  }

  .site-logo h1 {
    color: var(--accent-p);
  }

  .menu-toggle {
    padding: 10px 22px;
    font-size: 0.85rem;
  }

  .nav-dropdown {
    top: 52px;
    min-width: 250px;
  }

  .nav-dropdown a {
    padding: 10px 16px;
    font-size: 0.85rem;
  }

  .hero-card-content {
    padding: 32px 36px;
  }

  .hero-card h2 {
    font-size: 1.8rem;
  }

  .hero-card p {
    font-size: 0.95rem;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .service-card img {
    height: 140px;
  }

  .footer-inner {
    padding: 0 20px;
  }

  .social-links a {
    width: 44px;
    height: 44px;
    font-size: 1.3rem;
  }
}

@media (max-width: 768px) {
  .app-container {
    padding: 1vh 0;
  }

  .main-content {
    padding: 0 16px;
  }

  .site-header {
    padding: 16px;
  }

  .header-inner {
    flex-direction: column;
    gap: 12px;
    padding: 0;
  }

  .site-logo {
    font-size: 1.4rem;
    text-align: center;
  }

  .site-logo h1 {
    color: var(--accent-p);
  }

  .menu-toggle {
    padding: 8px 24px;
    font-size: 0.8rem;
  }

  .nav-dropdown {
    top: 48px;
    min-width: 200px;
    width: 90vw;
    left: 5vw;
    right: 5vw;
  }

  .nav-dropdown a {
    font-size: 0.8rem;
    padding: 10px 14px;
  }

  .hero-card-content {
    padding: 24px 20px;
    border-radius: 20px;
  }

  .hero-card h2 {
    font-size: 1.4rem;
    text-align: center;
  }

  .hero-card p {
    font-size: 0.9rem;
    text-align: center;
  }

  .btn-primary {
    padding: 10px 28px;
    font-size: 0.85rem;
    display: block;
    text-align: center;
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
  }

  .spacer {
    min-height: 30px;
  }

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

  .service-card {
    padding: 18px;
  }

  .service-card img {
    height: 150px;
  }

  .service-card h3 {
    font-size: 1rem;
  }

  .service-card p {
    font-size: 0.85rem;
  }

  .btn-secondary {
    padding: 8px 20px;
    font-size: 0.8rem;
  }

  .site-footer {
    padding: 16px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
    padding: 0;
    gap: 12px;
  }

  .footer-info p {
    font-size: 0.85rem;
  }

  .social-links {
    gap: 12px;
  }

  .social-links a {
    width: 44px;
    height: 44px;
    font-size: 1.2rem;
  }

  #neuralCanvas {
    opacity: 0.3;
  }
}

@media (max-width: 480px) {
  .site-logo {
    font-size: 1.2rem;
  }

  .site-logo h1 {
    color: var(--accent-p);
  }

  .menu-toggle {
    font-size: 0.7rem;
    padding: 6px 18px;
  }

  .nav-dropdown {
    min-width: 160px;
  }

  .nav-dropdown a {
    font-size: 0.7rem;
    padding: 8px 12px;
  }

  .hero-card-content {
    padding: 20px 16px;
  }

  .hero-card h2 {
    font-size: 1.2rem;
  }

  .hero-card p {
    font-size: 0.8rem;
  }

  .btn-primary {
    font-size: 0.75rem;
    padding: 8px 20px;
    max-width: 220px;
  }

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

  .service-card {
    padding: 16px;
  }

  .service-card img {
    height: 160px;
  }

  .service-card h3 {
    font-size: 0.95rem;
  }

  .service-card p {
    font-size: 0.8rem;
  }

  .btn-secondary {
    font-size: 0.7rem;
    padding: 8px 20px;
  }

  .footer-info p {
    font-size: 0.75rem;
  }

  .social-links a {
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
  }

  #neuralCanvas {
    opacity: 0.1;
  }
}

@media (max-width: 360px) {
  .site-logo {
    font-size: 1rem;
  }

  .hero-card h2 {
    font-size: 1rem;
  }

  .hero-card p {
    font-size: 0.7rem;
  }

  .service-card img {
    height: 140px;
  }

  .service-card h3 {
    font-size: 0.85rem;
  }

  .service-card p {
    font-size: 0.7rem;
  }

  .social-links a {
    width: 34px;
    height: 34px;
    font-size: 0.9rem;
  }

  #neuralCanvas {
    opacity: 0.1;
  }
}

@media (min-width: 1367px) and (max-width: 1920px) and (orientation: landscape) and (hover: none) and (pointer: coarse) {
  .app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }

  .main-content {
    flex: 1;
    padding: 0 2vw;
    display: flex;
    flex-direction: column;
    gap: 1.2vh;
  }

  .hero-card {
    max-width: 60%;
    width: 60%;
    margin: 0 auto;
  }

  .services-grid {
    grid-template-columns: repeat(1, 1fr);
    max-width: 60%;
    width: 60%;
    margin: 0 auto;
  }

  .site-footer {
    padding: 1.2vh 2vw;
    margin-top: auto;
    width: 100%;
  }

  .footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 1.2vh;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2vw;
    width: 100%;
  }
}

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

.mt-auto {
  margin-top: auto;
}