:root {
  --color-background: #f5f7fb;
  --color-surface: #ffffff;
  --color-surface-strong: #f0f4ff;
  --color-surface-alt: #e7edff;
  --color-primary: #2d6df6;
  --color-primary-soft: rgba(45, 109, 246, 0.12);
  --color-secondary: #13c8a1;
  --color-text: #0f1a3a;
  --color-text-muted: rgba(15, 26, 58, 0.68);
  --color-outline: #d7def1;
  --container-width: 1200px;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow-soft: 0 22px 60px rgba(36, 64, 168, 0.12);
  --shadow-hard: 0 32px 88px rgba(21, 52, 130, 0.18);
  --font-title: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(135deg, #f8faff 0%, #eef2ff 100%);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  letter-spacing: 0.007em;
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-text);
  text-decoration: none;
}

a:hover {
  color: var(--color-primary);
}

.container {
  width: min(100% - 2.5rem, var(--container-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgb(1, 23, 71);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: #f5f8ff;
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 0;
}

.branding {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-title);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.95rem;
  color: inherit;
}

.logo-image {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.25));
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-nav a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding-block: 0.25rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: #ffffff;
}

.site-nav a::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: -0.4rem;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(45, 109, 246, 0.85), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin-block: 5px;
  background: #ffffff;
  transition: transform 0.3s ease;
}

.hero {
  padding: 7rem 0 5rem;
  position: relative;
  background: radial-gradient(circle at 18% 12%, rgba(45, 109, 246, 0.16), transparent 55%),
    radial-gradient(circle at 82% 20%, rgba(19, 200, 161, 0.12), transparent 48%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.6) 0%, rgba(240, 244, 255, 0.4) 50%, rgba(255, 255, 255, 0.05) 100%);
  z-index: -1;
  opacity: 0.9;
}

.hero .container {
  display: grid;
  gap: 3rem;
  align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.hero-content h1 {
  font-family: var(--font-title);
  font-size: clamp(2.6rem, 4vw, 3.8rem);
  line-height: 1.1;
  margin: 0.5rem 0 1.5rem;
}

.hero-subtitle {
  color: rgba(15, 26, 58, 0.6);
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.85rem 1.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.btn.primary {
  background: linear-gradient(120deg, var(--color-primary), var(--color-secondary));
  color: #ffffff;
  box-shadow: 0 16px 32px rgba(45, 109, 246, 0.26);
}

.btn.primary:hover,
.btn.primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 22px 42px rgba(19, 200, 161, 0.3);
}

.btn.ghost {
  border: 1px solid rgba(45, 109, 246, 0.3);
  color: var(--color-primary);
  background: rgba(45, 109, 246, 0.08);
}

.btn.ghost:hover,
.btn.ghost:focus-visible {
  border-color: rgba(19, 200, 161, 0.6);
  background: rgba(19, 200, 161, 0.08);
  transform: translateY(-2px);
}

.eyebrow,
.section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(45, 109, 246, 0.75);
}

.hero-visual {
  position: relative;
  justify-self: center;
}

.orbit {
  width: min(380px, 70vw);
  height: min(380px, 70vw);
  border-radius: 999px;
  border: 1px solid rgba(45, 109, 246, 0.25);
  position: relative;
  display: grid;
  place-content: center;
  box-shadow: inset 0 0 64px rgba(45, 109, 246, 0.16);
}

.node {
  position: absolute;
  width: 18px;
  height: 18px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 50%;
  box-shadow: 0 0 20px rgba(19, 200, 161, 0.4);
}

.node-one {
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
}

.node-two {
  right: 30px;
  top: 50%;
  transform: translateY(-50%);
}

.node-three {
  left: 45px;
  bottom: 32px;
}

.pulse {
  width: min(220px, 45vw);
  height: min(220px, 45vw);
  border-radius: 50%;
  position: absolute;
  inset: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(45, 109, 246, 0.2), rgba(19, 200, 161, 0));
  filter: blur(8px);
  animation: pulse 6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(0.95);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.1);
  }
}

section {
  padding: 5.5rem 0;
}

.section-heading {
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.section-heading h2 {
  margin: 1rem 0 0;
  font-family: var(--font-title);
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  line-height: 1.2;
  color: var(--color-text);
}

.section-content {
  display: grid;
  gap: 1.25rem;
  color: var(--color-text-muted);
}

.focus {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(232, 237, 255, 0.65) 100%);
  backdrop-filter: blur(10px);
}

.focus-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.focus-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 2rem;
  border: 1px solid rgba(215, 222, 241, 0.9);
  position: relative;
  overflow: hidden;
  transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.focus-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(45, 109, 246, 0.12), rgba(19, 200, 161, 0.06));
  opacity: 0;
  transition: opacity 0.4s ease;
}

.focus-card:hover,
.focus-card:focus-within {
  transform: translateY(-6px);
  border-color: rgba(45, 109, 246, 0.3);
  box-shadow: 0 18px 40px rgba(40, 75, 180, 0.12);
}

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

.focus-card h3 {
  font-family: var(--font-title);
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.focus-card p {
  margin: 0;
  color: var(--color-text-muted);
}

.services {
  position: relative;
  padding: 7.5rem 0;
}

.services::before {
  content: "";
  position: absolute;
  inset: 10% 5%;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(215, 222, 241, 0.65);
  background: linear-gradient(135deg, rgba(45, 109, 246, 0.08), rgba(255, 255, 255, 0));
  z-index: -1;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.service-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2.25rem;
  border: 1px solid rgba(215, 222, 241, 0.8);
  box-shadow: var(--shadow-soft);
}

.service-card h3 {
  margin-top: 0;
  font-family: var(--font-title);
  font-size: 1.35rem;
}

.service-card ul {
  padding-left: 1.1rem;
  color: var(--color-text-muted);
}

.service-card li {
  margin-bottom: 0.4rem;
}

.approach {
  background: linear-gradient(180deg, rgba(244, 248, 255, 0.9) 0%, rgba(231, 237, 255, 0.8) 100%);
  backdrop-filter: blur(8px);
}

.approach-steps {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.step {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(231, 237, 255, 0.86) 100%);
  border: 1px solid rgba(45, 109, 246, 0.18);
  border-radius: 24px;
  padding: 2.65rem 2.2rem 2.2rem;
  min-height: 230px;
  box-shadow: 0 24px 64px rgba(33, 60, 140, 0.12);
}

.step::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 18% -10%, rgba(45, 109, 246, 0.18), transparent 52%),
    radial-gradient(circle at 92% 10%, rgba(19, 200, 161, 0.16), transparent 55%);
  opacity: 0.9;
}

.step::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 6px;
  background: linear-gradient(90deg, rgba(45, 109, 246, 0.85), rgba(19, 200, 161, 0.75));
}

.step > * {
  position: relative;
}

.step-index {
  align-self: flex-start;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: 50%;
  width: 44px;
  aspect-ratio: 1 / 1;
  display: grid;
  place-content: center;
  box-shadow: 0 12px 28px rgba(45, 109, 246, 0.28);
}

.step h3 {
  margin: 0;
  font-family: var(--font-title);
  font-size: 1.35rem;
  color: var(--color-text);
}

.step p {
  margin: 0;
  color: rgba(15, 26, 58, 0.7);
  line-height: 1.6;
}

.case-studies {
  position: relative;
}

.case-studies::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 15% 20%, rgba(45, 109, 246, 0.12), transparent 60%),
    radial-gradient(circle at 80% 80%, rgba(19, 200, 161, 0.12), transparent 65%);
  opacity: 0.6;
  z-index: -1;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.case-card {
  padding: 2.25rem;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid rgba(215, 222, 241, 0.85);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.case-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(45, 109, 246, 0.08), rgba(19, 200, 161, 0.16));
  mix-blend-mode: multiply;
  opacity: 0;
  transition: opacity 0.4s ease;
}

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

.case-label {
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(45, 109, 246, 0.6);
  margin-bottom: 1rem;
}

.case-card h3 {
  font-family: var(--font-title);
  font-size: 1.25rem;
  margin: 0 0 0.75rem;
}

.contact {
  padding-bottom: 6rem;
}

.contact-card {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  background: var(--color-surface);
  border: 1px solid rgba(215, 222, 241, 0.9);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-hard);
  max-width: 860px;
  margin-inline: auto;
}

.contact-copy h2 {
  font-family: var(--font-title);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  margin: 1rem 0;
}

.contact-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}

.contact-actions .btn {
  min-width: 200px;
}
.site-footer {
  padding: 3rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background: rgb(1, 23, 71);
  backdrop-filter: blur(10px);
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
}

.site-footer .container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.footer-branding {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-title);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.85rem;
}

.footer-links a:hover {
  color: #ffffff;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 960px) {
  .site-nav ul {
    position: absolute;
    top: 100%;
    right: 1.25rem;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(215, 222, 241, 0.9);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-soft);
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    min-width: 220px;
    transform: scale(0.95);
    transform-origin: top right;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  .site-nav ul[data-open="true"] {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
  }

  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    gap: 0.35rem;
  }

  .site-header .container {
    padding-block: 1rem;
  }

  .hero {
    padding-top: 6rem;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 0.96rem;
  }

  .container {
    width: min(100% - 1.5rem, var(--container-width));
  }

  .hero-actions {
    width: 100%;
  }

  .btn {
    width: 100%;
  }

  .service-card,
  .case-card,
  .contact-card {
    padding: 2rem;
  }

  .contact-card {
    border-radius: var(--radius-md);
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 1rem;
  }
}