/* Blockchain Solutions — shared theme (brand tokens, components, prose).
   Mirrors the inline styles on index.html so sub-pages stay consistent. */
:root {
  --bg-base: #08070C;
  --bg-panel: #0E0B14;
  --bg-elevated: #15101F;
  --crimson: #BE173F;
  --crimson-hot: #FF3D81;
  --violet: #7C3AED;
  --cyan: #22D3EE;
  --text: #F5F3F7;
  --text-muted: #A8A2B8;
  --hairline: rgba(255,255,255,0.08);
  --cta-grad: linear-gradient(100deg, #BE173F, #FF3D81);
  --ai-grad: linear-gradient(120deg, #7C3AED, #22D3EE);
}

* { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg-base);
  color: var(--text);
  font-family: Inter, system-ui, sans-serif;
  overflow-x: hidden;
}
::selection { background: rgba(255,61,129,0.30); color: #fff; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: #08070C; }
::-webkit-scrollbar-thumb { background: #241b2e; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #34273f; }

.grad-text { background: var(--cta-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.ai-grad-text { background: var(--ai-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }

.glass { background: rgba(255,255,255,0.035); border: 1px solid var(--hairline); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); position: relative; }
.glass::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent); pointer-events: none; border-radius: inherit; }
.card-glow { background: radial-gradient(380px circle at var(--mx,50%) var(--my,0%), var(--glow), transparent 60%); }
.logo-glow { filter: drop-shadow(0 0 6px rgba(255,255,255,0.35)); }

.aurora { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; pointer-events: none; will-change: transform; }
@keyframes drift1 { 0%,100% { transform: translate(0,0) scale(1);} 50% { transform: translate(40px,-30px) scale(1.12);} }
@keyframes drift2 { 0%,100% { transform: translate(0,0) scale(1);} 50% { transform: translate(-50px,40px) scale(1.08);} }
@keyframes drift3 { 0%,100% { transform: translate(0,0) scale(1);} 50% { transform: translate(30px,50px) scale(1.15);} }
.drift1 { animation: drift1 18s ease-in-out infinite; }
.drift2 { animation: drift2 22s ease-in-out infinite; }
.drift3 { animation: drift3 26s ease-in-out infinite; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

@keyframes pulseRing { 0% { box-shadow: 0 0 0 0 rgba(255,61,129,0.45);} 70% { box-shadow: 0 0 0 14px rgba(255,61,129,0);} 100% { box-shadow: 0 0 0 0 rgba(255,61,129,0);} }
.pulse-ring { animation: pulseRing 2.6s ease-out infinite; }
.glow-crimson:hover { box-shadow: 0 0 0 1px rgba(255,61,129,0.4), 0 18px 50px -12px rgba(190,23,63,0.45); }

#site-header.scrolled { background: rgba(8,7,12,0.72); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom-color: var(--hairline); }
#mobile-menu { opacity: 0; pointer-events: none; transition: opacity .3s ease; }
#mobile-menu.open { opacity: 1; pointer-events: auto; }

section[id] { scroll-margin-top: 84px; }

/* ── Article prose ── */
.prose { color: #cfc9da; font-size: 17px; line-height: 1.75; }
.prose > * + * { margin-top: 1.15em; }
.prose h2 { font-family: "Space Grotesk", sans-serif; font-weight: 600; color: var(--text); font-size: clamp(1.5rem, 3.5vw, 2rem); line-height: 1.15; letter-spacing: -0.02em; margin-top: 2.2em; margin-bottom: .2em; scroll-margin-top: 90px; }
.prose h3 { font-family: "Space Grotesk", sans-serif; font-weight: 600; color: var(--text); font-size: 1.25rem; margin-top: 1.6em; margin-bottom: .1em; }
.prose p { color: #cfc9da; }
.prose a { color: var(--crimson-hot); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: #ff6f9d; }
.prose strong { color: var(--text); font-weight: 600; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin-top: .5em; }
.prose ul > li::marker { color: var(--crimson-hot); }
.prose blockquote { border-left: 3px solid var(--crimson); padding: .2em 0 .2em 1.1em; color: var(--text); font-style: italic; }
.prose code { font-family: "JetBrains Mono", ui-monospace, monospace; font-size: .88em; background: rgba(255,255,255,0.07); border: 1px solid var(--hairline); border-radius: 6px; padding: .12em .4em; color: #ffd7e4; }
.prose hr { border: 0; border-top: 1px solid var(--hairline); margin: 2.4em 0; }
.prose .lead { font-size: 1.18em; color: #d8d3e2; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .drift1,.drift2,.drift3,.pulse-ring { animation: none !important; }
  .reveal { transition: opacity .4s ease; transform: none; }
}