:root {
  --proelia-navy-deep: #031f3d;
  --proelia-navy: #052f5f;
  --proelia-blue: #0578c7;
  --proelia-cyan: #20bde3;
  --proelia-sky: #eef8fc;
  --proelia-muted: #5d7382;
  --proelia-shadow: 0 24px 60px rgba(3, 47, 95, 0.14);
  --bs-primary: #0578c7;
  --bs-primary-rgb: 5, 120, 199;
  --bs-link-color: #0578c7;
  --bs-link-hover-color: #052f5f;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  color: var(--proelia-navy-deep);
  background: #fff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  letter-spacing: -0.025em;
}

.navbar {
  min-height: 82px;
}

.navbar .nav-link {
  color: #315266;
  font-weight: 700;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: var(--proelia-blue);
}

.brand-mark {
  width: 54px;
  height: 54px;
  object-fit: cover;
  object-position: center 42%;
  box-shadow: 0 8px 22px rgba(3, 47, 95, 0.15);
}

.brand-wordmark {
  color: var(--proelia-navy);
  letter-spacing: 0.09em;
  font-size: 1rem;
}

.btn-primary {
  --bs-btn-bg: var(--proelia-blue);
  --bs-btn-border-color: var(--proelia-blue);
  --bs-btn-hover-bg: var(--proelia-navy);
  --bs-btn-hover-border-color: var(--proelia-navy);
  --bs-btn-active-bg: var(--proelia-navy-deep);
  --bs-btn-active-border-color: var(--proelia-navy-deep);
  font-weight: 800;
  box-shadow: 0 12px 26px rgba(5, 120, 199, 0.2);
}

.btn-outline-primary {
  --bs-btn-color: var(--proelia-navy);
  --bs-btn-border-color: rgba(5, 47, 95, 0.28);
  --bs-btn-hover-bg: var(--proelia-navy);
  --bs-btn-hover-border-color: var(--proelia-navy);
  font-weight: 800;
}

.eyebrow {
  color: var(--proelia-blue);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.15em;
}

.text-cyan {
  color: #71dff5 !important;
}

.text-blue-soft {
  color: #c8dce8 !important;
}

.section-copy {
  color: var(--proelia-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.section-space {
  padding-block: clamp(5rem, 8vw, 7rem);
}

.hero-section {
  min-height: 880px;
  padding-top: 90px;
  background:
    radial-gradient(circle at 78% 30%, rgba(32, 189, 227, 0.12), transparent 28%),
    radial-gradient(circle at 10% 80%, rgba(5, 120, 199, 0.08), transparent 28%),
    linear-gradient(135deg, #ffffff 0%, #f3faff 68%, #e9f7fd 100%);
}

.hero-section h1 {
  color: var(--proelia-navy-deep);
  font-size: clamp(3rem, 5.7vw, 5.7rem);
}

.hero-section h1 span {
  color: var(--proelia-blue);
}

.hero-lead {
  max-width: 760px;
  color: var(--proelia-muted);
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.75;
}

.hero-proof {
  max-width: 760px;
  border-top: 1px solid rgba(5, 47, 95, 0.14);
}

.hero-proof strong {
  color: var(--proelia-navy);
}

.hero-watermark {
  width: 650px;
  height: 650px;
  left: -290px;
  bottom: -290px;
  border: 1px solid rgba(5, 120, 199, 0.09);
  border-radius: 50%;
}

.hero-watermark::before,
.hero-watermark::after {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(32, 189, 227, 0.1);
  border-radius: 50%;
}

.hero-watermark::after {
  inset: 25%;
}

.hero-visual {
  min-height: 620px;
  max-width: 680px;
}

.hero-logo {
  z-index: 2;
  width: min(650px, 100%);
  filter: drop-shadow(0 30px 38px rgba(3, 47, 95, 0.18));
}

.logo-orbit {
  width: 83%;
  aspect-ratio: 1;
  border: 2px solid rgba(5, 120, 199, 0.2);
}

.logo-orbit::before,
.logo-orbit::after {
  content: "";
  position: absolute;
  inset: 9%;
  border: 1px solid rgba(32, 189, 227, 0.25);
  border-radius: 50%;
}

.logo-orbit::after {
  inset: 20%;
}

.image-frame {
  max-width: 620px;
}

.image-frame::before {
  content: "";
  position: absolute;
  inset: -18px 18px 18px -18px;
  z-index: -1;
  border: 2px solid rgba(32, 189, 227, 0.42);
  border-radius: 2rem;
}

.image-frame img {
  min-height: 570px;
  object-fit: cover;
}

.image-badge {
  right: 30px;
  bottom: 28px;
  left: 30px;
  padding: 1rem 1.2rem;
  background: rgba(3, 31, 61, 0.84);
  backdrop-filter: blur(10px);
}

.section-dark {
  background:
    radial-gradient(circle at 10% 20%, rgba(32, 189, 227, 0.16), transparent 28%),
    linear-gradient(145deg, var(--proelia-navy-deep), #063f74 63%, #075d98);
}

.technology-visual img {
  min-height: 630px;
  max-height: 680px;
  object-fit: cover;
}

.tech-caption {
  right: 24px;
  bottom: 24px;
  left: 24px;
  padding: 1.2rem;
  background: rgba(3, 31, 61, 0.82);
  backdrop-filter: blur(12px);
}

.tech-caption span {
  letter-spacing: 0.13em;
}

.process-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14) !important;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.process-card:hover {
  transform: translateX(6px);
  background: rgba(255, 255, 255, 0.11);
}

.step-number {
  width: 50px;
  height: 50px;
  color: #89e5f7;
  background: rgba(32, 189, 227, 0.17);
}

.bg-light-blue {
  background: #f7fbfd;
}

.benefit-card {
  box-shadow: 0 14px 35px rgba(3, 47, 95, 0.06) !important;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.benefit-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--proelia-shadow) !important;
}

.benefit-card h3 {
  color: var(--proelia-navy);
}

.card-icon {
  width: 52px;
  height: 52px;
  color: #fff;
  background: linear-gradient(135deg, var(--proelia-navy), var(--proelia-cyan));
  font-size: 1.4rem;
  font-weight: 900;
}

.applications-section {
  background: var(--proelia-navy-deep);
}

.applications-image {
  min-height: 790px;
  object-fit: cover;
}

.applications-content {
  max-width: 970px;
}

.px-xl-6 {
  padding-inline: clamp(2.5rem, 6vw, 7rem) !important;
}

.application-number {
  width: 48px;
  color: #67d9f2;
}

.future-visual {
  max-width: 650px;
}

.future-visual img {
  max-height: 650px;
  object-fit: cover;
  border-radius: 48% 48% 1.5rem 1.5rem;
}

.floating-stat {
  left: -40px;
  bottom: 40px;
  max-width: 320px;
  padding: 1.25rem 1.4rem;
  background: linear-gradient(135deg, var(--proelia-navy), var(--proelia-blue));
}

.floating-stat span {
  color: #cae7f2;
  font-size: 0.84rem;
}

.mission-section {
  min-height: 650px;
}

.mission-overlay {
  background: linear-gradient(90deg, rgba(3, 31, 61, 0.95) 0%, rgba(3, 31, 61, 0.76) 50%, rgba(3, 31, 61, 0.18) 100%);
}

.contact-section {
  background:
    radial-gradient(circle at 90% 20%, rgba(32, 189, 227, 0.15), transparent 28%),
    var(--proelia-sky);
}

.site-footer {
  background: #02192f;
}

.footer-logo {
  width: 62px;
  height: 62px;
  object-fit: cover;
  object-position: center 42%;
}

.letter-spaced {
  letter-spacing: 0.08em;
}

@media (max-width: 1199.98px) {
  .hero-section {
    min-height: auto;
    padding-top: 120px;
  }

  .hero-visual {
    min-height: 520px;
  }

  .applications-image {
    min-height: 700px;
  }
}

@media (max-width: 991.98px) {
  .navbar {
    min-height: 72px;
  }

  .navbar-collapse {
    margin-top: 0.75rem;
    padding: 1rem 0 1.25rem;
    border-top: 1px solid #e4eef4;
  }

  .navbar-nav .btn {
    margin-top: 0.5rem;
  }

  .hero-section {
    padding-top: 105px;
  }

  .hero-visual {
    min-height: auto;
  }

  .hero-logo {
    max-width: 600px;
  }

  .technology-visual img,
  .applications-image {
    min-height: 480px;
  }

  .mission-overlay {
    background: rgba(3, 31, 61, 0.8);
  }

  .mission-section {
    min-height: 680px;
  }
}

@media (max-width: 575.98px) {
  .section-space {
    padding-block: 4.5rem;
  }

  .brand-mark {
    width: 46px;
    height: 46px;
  }

  .brand-wordmark {
    font-size: 0.85rem;
  }

  .hero-section h1 {
    font-size: clamp(2.75rem, 14vw, 4.1rem);
  }

  .hero-visual {
    margin-top: 1rem;
  }

  .image-frame img {
    min-height: 430px;
  }

  .image-badge {
    right: 18px;
    left: 18px;
    bottom: 18px;
  }

  .technology-visual img,
  .applications-image {
    min-height: 420px;
  }

  .tech-caption {
    right: 16px;
    bottom: 16px;
    left: 16px;
  }

  .process-card .card-body {
    padding: 1rem !important;
  }

  .step-number {
    width: 44px;
    height: 44px;
  }

  .floating-stat {
    right: 15px;
    bottom: 20px;
    left: 15px;
  }
}