:root {
  --light-blue: #38bcff;
  --sky-blue: #20a4fe;
  --brand-blue: #1991fa;
  --active-blue: #0b82f9;
  --deep-blue: #016ff4;
  --midnight: #001035;
  --header-height: 72px;
  --font-sans: "Roboto Flex", "Roboto", sans-serif;
  --display-sm: clamp(2.2rem, 3vw, 2.8rem);
  --headline-md: clamp(1.6rem, 2.2vw, 1.75rem);
  --title-lg: 1.375rem;
  --title-sm: 0.875rem;
  --body-lg: 1rem;
  --body-md: 0.875rem;
  --label-lg: 0.875rem;
  --brand-gradient: linear-gradient(
    90deg,
    #38bcff 0%,
    #20a4fe 35%,
    #1991fa 65%,
    #016ff4 100%
  );
  --bg: #f5f8fb;
  --navy: #001035;
  --navy-dark: #001035;
  --blue: #1991fa;
  --blue-light: #38bcff;
  --text: #0f172a;
  --muted: #5b6579;
  --card: #ffffff;
  --shadow: 0 18px 50px rgba(12, 31, 64, 0.12);
  --radius: 18px;
}

html {
  background: var(--midnight);
  width: 100%;
  overflow-x: hidden;
}

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

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: radial-gradient(circle at 15% 15%, #eaf6ff, transparent 50%),
    radial-gradient(circle at 85% 10%, #e9f4ff, transparent 45%),
    linear-gradient(180deg, #f8fbff 0%, #ffffff 35%, #f4f7fb 100%);
  min-height: 100vh;
  width: 100%;
  overflow-x: hidden;
  padding-top: var(--header-height);
}

body.menu-open {
  overflow: hidden;
}

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

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

.container {
  width: min(1160px, 92%);
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 999px;
  padding: 0.85rem 1.6rem;
  font-weight: 700;
  font-size: var(--label-lg);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

.btn.primary {
  background: var(--deep-blue);
  color: white;
  box-shadow: none;
}

.btn.dark {
  background: var(--navy);
  color: white;
  padding: 0.9rem 1.8rem;
  box-shadow: 0 12px 26px rgba(11, 27, 58, 0.25);
}

.btn.dark:hover {
  background: #102860;
}

.btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.btn:focus-visible {
  outline: 2px solid rgba(56, 188, 255, 0.45);
  outline-offset: 3px;
}

.search-highlight {
  background: #fff2a8;
  color: #001035;
  border-radius: 4px;
  padding: 0 2px;
}

.search-highlight.active {
  background: #ffe16a;
}

.icon-button {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: none;
  background: transparent;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.icon-button svg {
  width: 26px;
  height: 26px;
  stroke: white;
  stroke-width: 2;
  fill: none;
}

.icon-button.ghost {
  background: white;
}

.icon-button.ghost svg {
  stroke: var(--active-blue);
}

.icon-button:hover {
  transform: translateY(-2px);
}

.icon-button[aria-disabled="true"] {
  opacity: 0.5;
  pointer-events: none;
  transform: none;
}

.site-header {
  background: var(--midnight);
  color: white;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  box-shadow: 0 10px 30px rgba(6, 16, 39, 0.35);
  transition: transform 0.25s ease;
}

.site-header.is-hidden {
  transform: translateY(-100%);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 2rem;
}

.logo img {
  height: 34px;
}

.nav {
  display: flex;
  gap: 1.8rem;
  font-weight: 600;
  font-size: var(--title-sm);
  color: #e3efff;
  justify-content: center;
  flex: 1;
  align-items: center;
}

.menu-toggle {
  display: none;
  color: white;
}

.nav a {
  position: relative;
  padding-bottom: 0.35rem;
}

.nav a:hover {
  color: var(--sky-blue);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.search {
  position: relative;
}

.search-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  background: white;
  padding: 0.6rem;
  border-radius: 12px;
  box-shadow: 0 18px 40px rgba(7, 19, 49, 0.2);
  display: none;
  min-width: 360px;
  max-width: 420px;
}

.search-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.search-row input {
  flex: 1;
}

.search-actions {
  display: none;
  align-items: center;
  gap: 0.5rem;
}

.search-count {
  font-size: 0.8rem;
  color: var(--muted);
  min-width: 46px;
  text-align: right;
}

.search-buttons {
  display: flex;
  gap: 0.4rem;
}

.search-actions.is-visible {
  display: flex;
}

.search-panel input {
  border: 1px solid #d6deea;
  border-radius: 10px;
  padding: 0.55rem 0.8rem;
  font-size: var(--body-md);
  width: 100%;
}

.search-panel input:focus {
  outline: 2px solid rgba(11, 130, 249, 0.3);
  border-color: var(--active-blue);
}

.search.is-open .search-panel {
  display: block;
}

.mobile-menu {
  display: none;
  background: var(--midnight);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.5rem 0 2rem;
  text-align: center;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  z-index: 9;
  max-height: calc(100vh - var(--header-height));
  overflow-y: auto;
}

.menu-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 16, 53, 0.55);
  z-index: 8;
}

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: var(--deep-blue);
  color: white;
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: 0 18px 30px rgba(0, 16, 53, 0.25);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 12;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top svg {
  width: 22px;
  height: 22px;
  stroke: white;
  stroke-width: 2.2;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  font-weight: 600;
  color: #e3efff;
  width: min(320px, 92%);
  text-align: left;
}

.mobile-cta {
  margin: 1.5rem auto 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.2px;
  font-size: var(--label-lg);
  width: min(320px, 92%);
}

.mobile-search {
  display: flex;
  justify-content: center;
  margin-top: 1.2rem;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

.mobile-search input {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  padding: 0.65rem 0.9rem;
  font-size: var(--body-md);
  width: min(320px, 92%);
  background: transparent;
  color: white;
}

.mobile-search .search-count {
  color: rgba(255, 255, 255, 0.75);
}

.mobile-search input::placeholder {
  color: rgba(255, 255, 255, 0.65);
}

.mobile-search input:focus {
  outline: 2px solid rgba(56, 188, 255, 0.4);
  border-color: var(--light-blue);
}

.mobile-divider {
  width: min(320px, 92%);
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
  margin: 1.5rem auto 0.5rem;
}

.hero {
  padding: 6rem 0 3rem;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  box-shadow: 0 22px 40px rgba(0, 16, 53, 0.12);
  min-height: 360px;
  max-height: 55vh;
}

.hero .container {
  width: min(1160px, 96%);
}

.hero-element {
  position: absolute;
  width: clamp(220px, 28vw, 360px);
  height: 110%;
  object-fit: cover;
  opacity: 0.95;
  z-index: 1;
  pointer-events: none;
  top: -5%;
}

.hero-element.left {
  left: -20px;
}

.hero-element.right {
  right: -20px;
  transform: scale(-1, -1);
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
  max-width: 920px;
  margin: 0 auto;
}

.hero h1 {
  font-size: var(--display-sm);
  font-weight: 600;
  color: var(--brand-blue);
  line-height: 1.2;
  margin-bottom: 2rem;
}

.section {
  padding: 4.5rem 0;
  background: #ffffff;
}

h2 {
  font-size: var(--headline-md);
  margin-bottom: 2rem;
  color: var(--midnight);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.2rem, 2vw, 2rem);
}

.card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: none;
  background: var(--card);
  aspect-ratio: 560 / 320;
}

.card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-hover {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 1.2rem;
  background: linear-gradient(180deg, rgba(0, 16, 53, 0) 0%, rgba(0, 16, 53, 0.72) 100%);
  color: #ffffff;
  font-size: 0.95rem;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.card:hover .card-hover,
.card:focus-within .card-hover {
  opacity: 1;
}

.card .tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: white;
  color: var(--brand-blue);
  padding: 0.4rem 0.9rem;
  border-radius: 10px;
  font-weight: 700;
  box-shadow: 0 10px 18px rgba(25, 145, 250, 0.18);
}

.card.wide {
  grid-column: span 2;
  aspect-ratio: 1160 / 320;
}

.about p {
  color: var(--muted);
  max-width: 1160px;
  font-size: var(--body-lg);
  line-height: 1.8;
}

.hub-360-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: center;
  text-align: center;
}

.hub-360-logo {
  width: clamp(440px, 56vw, 640px);
  height: auto;
  border-radius: 0;
  background: transparent;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: none;
  align-self: center;
  margin: 0 auto;
}

.hub-360-logo img {
  width: 70%;
  height: auto;
}

.hub-360-content h2 {
  margin-top: 0;
}

.hub-360-content p {
  color: var(--muted);
  font-size: var(--body-lg);
  line-height: 1.8;
  text-align: left;
}

.hub-360-content .btn {
  margin-top: 1.5rem;
}

.hub-360-content {
  text-align: center;
  align-self: center;
  max-width: 1160px;
  margin: 0 auto;
}

.solutions {
  background: #ffffff;
}

.solutions-carousel {
  position: relative;
  overflow: hidden;
}

.solutions-track {
  display: flex;
  gap: 2rem;
  transition: transform 0.4s ease;
  will-change: transform;
}

.solution-card {
  background: #2e4a8b;
  color: white;
  padding: 2rem;
  border-radius: 22px;
  box-shadow: none;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  flex: 0 0 calc(50% - 1rem);
}

.solution-card h3 {
  font-size: var(--title-lg);
}

.solution-card p {
  color: #d6ecff;
  line-height: 1.6;
  font-size: var(--body-md);
}

.solution-card .lead {
  font-weight: 700;
  color: white;
  font-size: var(--body-lg);
}

.solution-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.solution-title svg {
  width: 40px;
  height: 40px;
  stroke: var(--light-blue);
  stroke-width: 2;
}

.carousel-controls {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.carousel-controls .icon-button.ghost:first-child {
  justify-self: start;
}

.carousel-controls .icon-button.ghost:last-child {
  justify-self: end;
}

.dots {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #cfe2ff;
}

.dot.active {
  background: var(--active-blue);
}

.site-footer {
  background: var(--midnight);
  color: white;
  padding: 3rem 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  align-items: center;
}

.footer-brand img {
  height: 32px;
}

.footer-nav {
  display: flex;
  gap: 1.6rem;
  justify-content: center;
  align-items: center;
  font-weight: 600;
  font-size: var(--title-sm);
}

.footer-nav a:hover {
  color: var(--sky-blue);
}

.footer-contact h4 {
  margin-bottom: 0.6rem;
}

.footer-contact p {
  color: #cfe2ff;
  line-height: 1.6;
  font-size: var(--body-md);
}

.footer-contact {
  justify-self: end;
  text-align: right;
}

.footer-contact .contact-item {
  justify-content: flex-end;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.contact-item svg {
  width: 18px;
  height: 18px;
  stroke: var(--light-blue);
  stroke-width: 2;
}

@media (max-width: 1280px) {
  .hero {
    padding: 5.5rem 0 4.5rem;
  }

  .hero-element {
    width: 320px;
  }
}

@media (max-width: 1024px) {
  .header-content {
    gap: 1.5rem;
  }

  .nav {
    gap: 1.3rem;
  }

  .hero-element {
    width: 300px;
    opacity: 0.8;
  }

  .solution-card {
    padding: 1.8rem;
  }
}

@media (max-width: 834px) {
  .hero {
    padding: 5rem 0 3rem;
  }

  .hero-element {
    width: 320px;
    height: 100%;
    opacity: 0.9;
  }

  .hero-element.left {
    left: -80px;
  }

  .hero-element.right {
    right: -80px;
  }

  .hero h1 {
    font-size: clamp(1.9rem, 3.6vw, 2.6rem);
  }

  .hub-360-grid {
    grid-template-columns: 1fr;
  }

  .hub-360-logo {
    width: min(240px, 70vw);
    height: auto;
    margin: 0 auto;
  }
}

@media (max-width: 700px) {
  .header-content {
    flex-wrap: nowrap;
    justify-content: space-between;
  }

  .nav {
    display: none;
  }

  .header-actions {
    display: none;
  }

  .hero-element {
    display: none;
  }

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

  .card.wide {
    grid-column: span 1;
    aspect-ratio: 560 / 320;
  }

  .card-hover {
    opacity: 1;
  }

  .solutions-carousel {
    overflow: hidden;
  }

  .solutions-track {
    gap: 1.5rem;
  }

  .solution-card {
    flex: 0 0 100%;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-nav {
    flex-direction: column;
  }

  .footer-contact {
    justify-self: center;
    text-align: center;
  }

  .footer-contact .contact-item {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 5rem 0 2rem;
  }

  .header-content {
    gap: 1rem;
  }

  .nav {
    gap: 1rem;
  }

  .hero-element {
    width: 240px;
    height: 120%;
    opacity: 0.7;
    top: -10%;
  }

  .solution-title svg {
    width: 34px;
    height: 34px;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 5rem 0 2.5rem;
  }

  .hero-element {
    width: 160px;
    height: 100%;
    opacity: 0.55;
  }

  .hero-element.left {
    left: -20px;
  }

  .hero-element.right {
    right: -20px;
  }

  .solution-card {
    padding: 1.5rem;
  }

  .solution-card h3 {
    font-size: 1.3rem;
  }

  .solution-card p {
    font-size: 1rem;
  }
}

@media (max-width: 640px) {
  .header-actions {
    flex-direction: column;
  }

  .icon-button {
    background: transparent;
  }
}

@media (max-width: 700px) {
  .site-header {
    --header-height: 72px;
  }

  .menu-toggle {
    display: grid;
    place-items: center;
  }

  .mobile-menu.is-open {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .menu-backdrop.is-open {
    display: block;
  }
}

@media (min-width: 701px) {
  .menu-toggle {
    display: none;
  }

  .mobile-menu {
    display: none !important;
  }

  .menu-backdrop {
    display: none !important;
  }
}

@media (min-width: 701px) and (max-width: 1024px) {
  .header-content {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
  }

  .nav {
    justify-self: center;
  }

  .header-actions {
    justify-self: end;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.95rem;
  }

  .hero-element {
    width: 120px;
    opacity: 0.55;
  }

  .hero .btn {
    width: min(320px, 90%);
  }

  .solution-title svg {
    width: 30px;
    height: 30px;
  }
}

@media (max-width: 360px) {
  .hero {
    padding: 4.5rem 0 2.5rem;
  }

  .hero-element {
    width: 110px;
    opacity: 0.5;
  }

  .solution-card {
    padding: 1.2rem;
  }
}