:root {
  --bg: rgb(22, 49, 105);
  --bg-alt: #455269;
  --grid-line: rgba(255, 255, 255, 0.045);
  --fg: #e7edf5;
  --fg-dim: #8b96a5;
  --accent: #ffb454;
  --accent-2: #5eead4;
  --border: rgba(255, 255, 255, 0.1);
  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;
}

* {
  box-sizing: border-box;
}
 
html {
  scroll-behavior: smooth;
}
 
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-display);
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

body {
background-image:
 linear-gradient(rgba(67, 83, 148, 0.614), rgba(7, 45, 53, 0.438)), url("background.svg");
background-size: cover;
background-position: center;
background-attachment: fixed;
}

.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 20%, black 0%, transparent 75%);
          mask-image: radial-gradient(ellipse at 50% 20%, black 0%, transparent 75%);
}
 
main, .site-header, footer {
  position: relative;
  z-index: 1;
}
 
.site-header {
  position: sticky;
  top: 20px;
  z-index: 10;
  width: fit-content;
  margin: 20px auto 0;
  display: flex;
  align-items: center;
  gap: 480px;
  padding: 10px 20px;
  border-radius: 999px;
  background: rgba(10, 14, 23, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}
.logo {
  font-family: var(--font-mono);
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.05em;
}
 
.site-header nav a {
  color: var(--fg-dim);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-left: 20px;
  transition: color 0.2s ease;
}
 
.site-header nav a:hover,
.site-header nav a:focus-visible {
  color: var(--accent-2);
}
 
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}
 
.hero {
  padding: 90px 0 70px;
  text-align: left;
}
 
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-2);
  letter-spacing: 0.04em;
  margin: 0 0 14px;
}
 
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  margin: 0 0 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
 
.accent {
  color: var(--accent);
}
 
.tagline {
  color: var(--fg-dim);
  max-width: 46ch;
  font-size: 1.05rem;
  margin: 0 0 40px;
}
 
.avatar-frame {
  width: 96px;
  height: 96px;
  padding: 6px;
  border: 1px dashed var(--border);
  border-radius: 50%;
  margin-bottom: 36px;
}
 
.scroll-cue {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--fg-dim);
  text-decoration: none;
  border-bottom: 1px dashed var(--border);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
 
.scroll-cue:hover,
.scroll-cue:focus-visible {
  color: var(--accent-2);
  border-color: var(--accent-2);
}
 
.info-block,
.socials {
  position: relative;
  padding: 40px 0 40px 28px;
  border-left: 1px dashed var(--border);
  margin-left: 4px;
}
 
.info-block::before,
.socials::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 44px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
}
 
.ref-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-dim);
  letter-spacing: 0.08em;
  margin: 0 0 6px;
}
 
.info-block h2,
.socials h2 {
  font-size: 1.5rem;
  margin: 0 0 14px;
  font-weight: 700;
}
 
.info-block,
.socials {
  scroll-margin-top: 40px;
}
 
.social-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
  margin-top: 8px;
}
 
.social-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
  color: var(--fg);
  transition: border-color 0.2s ease, transform 0.15s ease, color 0.2s ease;
}
 
.social-btn:hover,
.social-btn:focus-visible {
  border-color: var(--accent-2);
  color: var(--accent-2);
  transform: translateY(-2px);
}
 
.social-btn .pin {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 6px;
  min-width: 28px;
  text-align: center;
}
 
.social-btn .label {
  font-size: 0.9rem;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 14, 23, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay:target {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  width: min(340px, 90vw);
  padding: 22px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  text-align: center;
}

.modal-text {
  color: var(--fg);
  font-size: 0.95rem;
  margin: 0 0 18px;
}

.modal-code {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 20px;
}

.modal-code span {
  font-family: var(--font-mono);
  color: var(--accent-2);
  font-size: 0.9rem;
  user-select: all;
  cursor: text;
}

.modal-close {
  display: block;
  width: 100%;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  border: none;
  border-radius: 10px;
  padding: 10px 0;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.modal-close:hover,
.modal-close:focus-visible {
  opacity: 0.85;
}

footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px 60px;
}
 
footer p {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-dim);
  margin: 0;
}
 
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
}
 
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
  }
}

@media (max-width: 520px) {
  .site-header {
    padding-top: 20px;
  }
  .hero {
    padding: 60px 0 50px;
  }
}