/* Variables */
:root {
  --bg-1: #06051a;
  --bg-2: #0f1330;
  --cyan: #00e6ff;
  --magenta: #b64cff;
  --text: #e6eef8;
  --muted: #9aa3bf;
  --card-bg: rgba(255, 255, 255, 0.035);
  --card-border: rgba(0, 230, 255, 0.12);
  --transition-base: 220ms ease;
  --header-height: 65px;
}

/* Resets */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  text-decoration: none;
  list-style: none;
}

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 right,
      rgba(182, 76, 255, 0.2),
      transparent 45%
    ),
    radial-gradient(circle at 20% 35%, rgba(0, 230, 255, 0.2), transparent 45%),
    linear-gradient(135deg, var(--bg-1), var(--bg-2));
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='320' height='320' viewBox='0 0 320 320'%3E%3Cg opacity='0.12'%3E%3Cpath d='M0 40h320M0 160h320M0 280h320M40 0v320M160 0v320M280 0v320' stroke='%2300e6ff' stroke-width='0.7'/%3E%3C/g%3E%3C/svg%3E");
  mix-blend-mode: screen;
  opacity: 0.6;
  z-index: -2;
}

/* Containers */
main {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem 6rem;
  overflow: hidden;
}

/* Headings utilities */
.heading-2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: -0.01em;
}
.heading-3 {
  font-size: 1.2rem;
}
.heading-mb {
  margin-bottom: 0.5rem;
}

/* Section common heading text */
.section-heading p {
  color: var(--muted);
  margin-top: 0;
}

/* Shared cards */
.service-card,
.method-step,
.case-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 1.9rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base),
    box-shadow var(--transition-base), border-color var(--transition-base);
  backdrop-filter: blur(14px);
}
.service-card::before,
.method-step::before,
.case-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 230, 255, 0.12),
    rgba(182, 76, 255, 0.12)
  );
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}
.service-card:hover,
.service-card:focus-within,
.method-step:hover,
.method-step:focus-within,
.case-card:hover,
.case-card:focus-within {
  transform: translateY(-6px);
  border-color: rgba(182, 76, 255, 0.35);
  box-shadow: 0 12px 35px rgba(0, 230, 255, 0.18);
}
.service-card:hover::before,
.service-card:focus-within::before,
.method-step:hover::before,
.method-step:focus-within::before,
.case-card:hover::before,
.case-card:focus-within::before {
  opacity: 1;
}

.service-card__icon,
.method-step__icon {
  font-size: 2rem;
  margin-bottom: 1.25rem;
}

.service-card p,
.method-step p,
.case-card p {
  margin: 0;
  color: var(--muted);
}

/* Anchor offset */
.anchor-offset {
  scroll-margin-top: 72px;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(0, 230, 255, 0.15);
  padding: 2.5rem 1.5rem 3rem;
  background: rgba(6, 5, 26, 0.85);
}
.site-footer__inner {
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  justify-content: space-between;
}
.site-footer__inner nav {
  display: flex;
  gap: 1rem;
}
.site-footer__inner a {
  color: var(--muted);
  text-decoration: none;
}
.site-footer__inner a:hover,
.site-footer__inner a:focus-visible {
  color: var(--cyan);
}

/* Accessibility reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  html {
    scroll-behavior: auto;
  }
}