:root {
  color-scheme: dark;
  --bg: #0d1321;
  --surface: #131b2f;
  --surface-soft: #182340;
  --text: #f5f7ff;
  --muted: #a8b2d1;
  --accent: #4d8cff;
  --accent-soft: #3d6cd7;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 24px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, rgba(77, 140, 255, 0.16), transparent 32%), var(--bg);
  line-height: 1.7;
}

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

a {
  color: inherit;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(13, 19, 33, 0.92);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-inner,
.footer-inner,
.hero-content,
.focus-grid,
.section-header,
.cta-box,
.contact-grid {
  display: grid;
  gap: 24px;
}

.header-inner,
.footer-inner {
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 20px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo-mark {
  position: relative;
  width: 44px;
  height: 44px;
}

.logo-ring {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(94, 199, 255, 0.65), transparent 35%), linear-gradient(135deg, #4d8cff, #70e1ff);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.12);
}

.logo-dot {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
  box-shadow: 0 0 18px rgba(94, 199, 255, 0.9);
}

.brand-tag {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.brand-subtitle {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-nav a:hover {
  color: var(--text);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, #4d8cff, #5ec7ff);
  box-shadow: 0 22px 45px rgba(77, 140, 255, 0.25);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.section {
  padding: 72px 0;
}

.section-light {
  background: rgba(255, 255, 255, 0.02);
}

.section-gradient {
  background: linear-gradient(180deg, rgba(77, 140, 255, 0.18) 0%, rgba(13, 19, 33, 1) 100%);
}

.hero-content {
  padding: 80px 0;
  grid-template-columns: 1.3fr 0.9fr;
  align-items: center;
  gap: 48px;
}

.hero-copy {
  max-width: 640px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.hero h1,
.section-header h2,
.focus-grid h2,
.cta-box h2,
.contact-card h2 {
  margin: 0;
  font-size: clamp(2.5rem, 4vw, 4rem);
  line-height: 1.02;
}

.hero p,
.section-text,
.service-card p,
.hero-box p,
.cta-box p,
.contact-card p,
.contact-details p {
  color: var(--muted);
  font-size: 1rem;
  max-width: 720px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

.hero-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}

.section-header {
  max-width: 720px;
}

.section-text {
  margin-top: 24px;
  font-size: 1.06rem;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.service-card {
  padding: 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
}

.service-card h3 {
  margin: 0 0 14px;
  font-size: 1.3rem;
}

.focus-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
  align-items: start;
  padding: 40px 0;
}

.focus-grid p {
  margin: 0;
}

.section-focus {
  background: rgba(255, 255, 255, 0.03);
}

.section-contact {
  background: rgba(255, 255, 255, 0.02);
}

.contact-grid {
  grid-template-columns: 1fr 1.1fr;
  gap: 32px;
}

.contact-card,
.contact-form {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px;
}

.contact-details {
  margin: 24px 0;
  display: grid;
  gap: 14px;
}

.contact-details a {
  color: #5ec7ff;
  text-decoration: none;
  font-weight: 600;
}

.contact-form label {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
  font-weight: 500;
  color: var(--text);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font: inherit;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(94, 199, 255, 0.8);
  box-shadow: 0 0 0 4px rgba(77, 140, 255, 0.12);
}

.contact-form textarea {
  resize: vertical;
}


@keyframes ring-spin {
  from { transform: rotateX(70deg) rotateZ(0deg); }
  to { transform: rotateX(70deg) rotateZ(360deg); }
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 24px 0 28px;
}

.footer-inner {
  grid-template-columns: 1fr auto;
  color: var(--muted);
}

.footer-inner p {
  margin: 0;
}

.footer-inner a {
  color: var(--muted);
  text-decoration: none;
}

@media (max-width: 900px) {
  .hero-content,
  .focus-grid,
  .header-inner,
  .footer-inner,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-content {
    gap: 32px;
  }

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

@media (max-width: 640px) {
  .container {
    width: min(100%, calc(100% - 30px));
  }

  .hero h1,
  .section-header h2,
  .focus-grid h2,
  .cta-box h2,
  .contact-card h2 {
    font-size: 2.5rem;
  }

  .button {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .site-nav {
    display: none;
  }

  .header-inner {
    padding: 16px 0;
  }
}