```css
/* =====================================================
   Remzar Blockchain – Production Website Styles
   styles.css
   ===================================================== */

/* -----------------------------
   Design Tokens
   ----------------------------- */
:root {
  --rz-bg: #05070a;
  --rz-bg-2: #080c12;
  --rz-panel: rgba(255, 255, 255, 0.055);
  --rz-panel-strong: rgba(255, 255, 255, 0.09);
  --rz-border: rgba(255, 255, 255, 0.12);
  --rz-border-strong: rgba(118, 255, 3, 0.28);
  --rz-text: #eef4ff;
  --rz-muted: #a8b3c7;
  --rz-muted-2: #7f8ca3;
  --rz-accent: #76ff03;
  --rz-accent-dark: #4caf00;
  --rz-accent-soft: rgba(118, 255, 3, 0.12);
  --rz-blue-soft: rgba(70, 130, 255, 0.12);
  --rz-danger-soft: rgba(255, 80, 80, 0.12);
  --rz-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  --rz-shadow-soft: 0 16px 50px rgba(0, 0, 0, 0.18);
  --rz-radius: 22px;
  --rz-radius-lg: 28px;
  --rz-max: 1120px;
  --rz-nav-max: 1180px;
}

/* -----------------------------
   Reset / Base
   ----------------------------- */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--rz-text);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Arial,
    sans-serif;
  line-height: 1.6;
  background:
    radial-gradient(circle at top left, rgba(118, 255, 3, 0.13), transparent 32rem),
    radial-gradient(circle at top right, rgba(70, 130, 255, 0.11), transparent 34rem),
    radial-gradient(circle at bottom center, rgba(255, 255, 255, 0.04), transparent 28rem),
    var(--rz-bg);
  overflow-x: hidden;
}

/* Optional background image support.
   Keep background.png in your repo only if you want it behind the gradient. */
body.home::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image: url("background.png");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  opacity: 0.14;
  pointer-events: none;
}

body.home::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(5, 7, 10, 0.72), rgba(5, 7, 10, 0.96)),
    radial-gradient(circle at center, transparent, rgba(0, 0, 0, 0.35));
  pointer-events: none;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--rz-accent);
}

a:hover {
  color: #a7ff6b;
}

strong {
  color: var(--rz-text);
}

p {
  margin-top: 0;
}

::selection {
  background: var(--rz-accent);
  color: #061008;
}

/* -----------------------------
   Navigation
   ----------------------------- */
.site-nav {
  position: sticky;
  top: 1rem;
  z-index: 50;

  width: min(var(--rz-nav-max), calc(100% - 2rem));
  min-height: 62px;
  margin: 1rem auto 0;
  padding: 0.65rem 0.85rem;

  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.8rem;

  border: 1px solid var(--rz-border);
  border-radius: 999px;
  background: rgba(5, 7, 10, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--rz-shadow-soft);

  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    gap 0.25s ease;
}

.site-nav .brand {
  margin-right: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--rz-border);
  background: var(--rz-panel);
  text-decoration: none;
  flex: 0 0 auto;
}

.site-nav .brand img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  display: block;
}

.site-nav a:not(.brand) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;

  color: var(--rz-text);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 750;
  white-space: nowrap;

  transition:
    opacity 0.25s ease,
    width 0.25s ease,
    padding 0.25s ease,
    color 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

.site-nav a:not(.brand):hover,
.site-nav a:not(.brand).active {
  color: #061008;
  background: var(--rz-accent);
}

/* Closed menu hides page links but keeps the logo toggle visible. */
.site-nav.closed {
  width: min(92px, calc(100% - 2rem));
  justify-content: center;
  gap: 0;
}

.site-nav.closed .brand {
  margin-right: 0;
}

.site-nav.closed a:not(.brand) {
  opacity: 0;
  width: 0;
  min-width: 0;
  padding-left: 0;
  padding-right: 0;
  overflow: hidden;
  pointer-events: none;
}

.site-nav.open {
  width: min(var(--rz-nav-max), calc(100% - 2rem));
}

/* -----------------------------
   Shared Layout
   ----------------------------- */
main {
  display: block;
}

header,
section,
footer {
  text-align: inherit;
}

.hero,
.about-hero,
.contact-hero,
.wp-hero,
.home-section,
.about-section,
.contact-section,
.wp-section,
.final-cta,
.about-cta,
.wp-cta {
  width: min(var(--rz-max), calc(100% - 2rem));
  margin-left: auto;
  margin-right: auto;
}

.hero,
.about-hero,
.contact-hero,
.wp-hero {
  text-align: center;
  padding: 5rem 0 3rem;
}

.hero {
  min-height: 72vh;
  display: grid;
  align-items: center;
}

.home-section,
.about-section,
.wp-section {
  padding: 3.75rem 0;
}

.contact-section {
  padding: 2rem 0 5rem;
}

.final-cta,
.about-cta,
.wp-cta {
  padding: 4rem 0 5rem;
  text-align: center;
}

/* -----------------------------
   Typography
   ----------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  margin: 0 auto;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--rz-border);
  border-radius: 999px;
  background: var(--rz-panel);
  color: var(--rz-accent);
  font-size: 0.88rem;
  font-weight: 850;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.hero h1,
.about-hero h1,
.contact-hero h1,
.wp-hero h1 {
  max-width: 980px;
  margin: 1.35rem auto 1rem;
  font-size: clamp(2.5rem, 6vw, 5.8rem);
  line-height: 1;
  letter-spacing: -0.06em;
}

.about-hero h1,
.contact-hero h1,
.wp-hero h1 {
  font-size: clamp(2.35rem, 5.5vw, 5rem);
}

.hero .lead,
.hero p,
.about-hero p,
.contact-hero p,
.wp-hero p {
  max-width: 860px;
  margin: 0 auto;
  color: var(--rz-muted);
  font-size: clamp(1.08rem, 2vw, 1.32rem);
  line-height: 1.75;
}

.section-heading {
  max-width: 840px;
  margin-bottom: 1.5rem;
}

.section-heading.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-heading h2,
.about-section h2,
.wp-section h2,
.contact-card h2,
.download-card h2,
.abstract-card h2,
.final-cta h2,
.about-cta h2,
.wp-cta h2 {
  margin: 0 0 0.9rem;
  font-size: clamp(1.9rem, 3.5vw, 3.1rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.section-heading p,
.section-lead,
.about-section > p,
.wp-section > p {
  max-width: 880px;
  margin-top: 0;
  color: var(--rz-muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

/* Compatibility with older simple pages */
header:not([class]) {
  width: min(var(--rz-max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 4rem 0 2rem;
  text-align: center;
}

header:not([class]) h1 {
  margin: 0;
  font-size: clamp(2.25rem, 5vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
}

section:not([class]) {
  width: min(920px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.5rem 0;
}

section:not([class]) h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  letter-spacing: -0.03em;
}

section:not([class]) p {
  color: var(--rz-muted);
  line-height: 1.75;
}

/* -----------------------------
   Buttons / CTAs
   ----------------------------- */
.hero-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.btn-primary,
.btn-secondary,
.contact-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.78rem 1.15rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 900;
  line-height: 1;
  transition:
    transform 0.18s ease,
    border-color 0.18s ease,
    background 0.18s ease,
    color 0.18s ease;
}

.btn-primary,
.contact-link {
  background: var(--rz-accent);
  color: #061008;
  border: 1px solid var(--rz-accent);
}

.btn-secondary,
.contact-link.secondary-link,
.secondary-link {
  color: var(--rz-text);
  border: 1px solid var(--rz-border);
  background: var(--rz-panel);
}

.btn-primary:hover,
.btn-secondary:hover,
.contact-link:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.btn-primary:hover,
.contact-link:hover {
  color: #061008;
  background: #a7ff6b;
  border-color: #a7ff6b;
}

/* -----------------------------
   Cards / Grids
   ----------------------------- */
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.grid.two,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.card,
.contact-card,
.download-card,
.abstract-card,
.big-panel {
  border: 1px solid var(--rz-border);
  border-radius: var(--rz-radius);
  background: linear-gradient(180deg, var(--rz-panel-strong), var(--rz-panel));
  box-shadow: var(--rz-shadow);
}

.card,
.contact-card {
  padding: 1.35rem;
}

.card h3,
.contact-card h2 {
  margin: 0 0 0.65rem;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.contact-card h2 {
  font-size: 1.35rem;
}

.card p,
.contact-card p {
  margin: 0;
  color: var(--rz-muted);
  line-height: 1.7;
}

.abstract-card,
.download-card,
.big-panel {
  padding: 2rem;
  border-radius: var(--rz-radius-lg);
}

.abstract-card {
  background:
    linear-gradient(135deg, rgba(118, 255, 3, 0.11), rgba(70, 130, 255, 0.08)),
    var(--rz-panel);
}

.abstract-card p,
.download-card p,
.big-panel p {
  color: var(--rz-muted);
  line-height: 1.8;
  font-size: 1.05rem;
}

/* -----------------------------
   Facts / Protocol Strips
   ----------------------------- */
.protocol-strip,
.facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.protocol-strip {
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 3rem;
}

.strip-item,
.fact {
  border: 1px solid var(--rz-border);
  border-radius: 18px;
  padding: 1rem;
  background: linear-gradient(180deg, var(--rz-panel-strong), var(--rz-panel));
  box-shadow: var(--rz-shadow-soft);
}

.strip-item span,
.fact span {
  display: block;
  color: var(--rz-muted);
  font-size: 0.82rem;
  margin-bottom: 0.35rem;
}

.strip-item strong,
.fact strong {
  display: block;
  color: var(--rz-text);
  font-size: 1.05rem;
  line-height: 1.3;
}

/* -----------------------------
   Highlight Panels
   ----------------------------- */
.highlight-panel,
.download-panel {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1rem;
  align-items: stretch;
}

.big-panel {
  background:
    linear-gradient(135deg, rgba(118, 255, 3, 0.11), rgba(70, 130, 255, 0.08)),
    var(--rz-panel);
}

.big-panel h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.9rem, 3vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

/* -----------------------------
   Lists
   ----------------------------- */
.feature-list,
.fact-list,
.contact-list,
.toc {
  display: grid;
  gap: 0.75rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.toc {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-list li,
.fact-list li,
.contact-list li,
.toc li {
  border: 1px solid var(--rz-border);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  background: var(--rz-panel);
  color: var(--rz-muted);
  line-height: 1.6;
}

.feature-list strong,
.fact-list strong,
.contact-list strong,
.toc strong {
  color: var(--rz-text);
}

.operations {
  columns: 2;
  column-gap: 2rem;
  max-width: 980px;
  margin: 1.5rem auto 0;
  padding-left: 1.2rem;
  color: var(--rz-muted);
  line-height: 1.7;
}

.operations li {
  break-inside: avoid;
  margin-bottom: 0.45rem;
}

.operations strong {
  color: var(--rz-text);
}

.number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  margin-bottom: 1rem;
  border-radius: 999px;
  background: var(--rz-accent-soft);
  color: var(--rz-accent);
  font-weight: 900;
  border: 1px solid var(--rz-border-strong);
}

/* -----------------------------
   Notes / Info Boxes
   ----------------------------- */
.note,
.info-box {
  margin-top: 1rem;
  padding: 1rem;
  border-left: 3px solid var(--rz-accent);
  border-radius: 14px;
  background: var(--rz-accent-soft);
  color: var(--rz-text);
  line-height: 1.75;
}

/* -----------------------------
   CLI / Images
   ----------------------------- */
.cli-wrap {
  margin-top: 1.5rem;
}

.cli-wrap img {
  display: block;
  width: 100%;
  max-width: 920px;
  margin: 0 auto 1.25rem;
  border-radius: 18px;
  border: 1px solid var(--rz-border);
  box-shadow: var(--rz-shadow);
}

/* -----------------------------
   Footer
   ----------------------------- */
footer {
  width: min(var(--rz-max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 2.5rem;
  text-align: center;
  border-top: 1px solid var(--rz-border);
}

footer p {
  max-width: 900px;
  margin: 0.35rem auto;
  color: var(--rz-muted-2);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* -----------------------------
   Forms / Inputs, if added later
   ----------------------------- */
input,
textarea,
select,
button {
  font: inherit;
}

button {
  cursor: pointer;
}

input,
textarea,
select {
  width: 100%;
  color: var(--rz-text);
  background: var(--rz-panel);
  border: 1px solid var(--rz-border);
  border-radius: 14px;
  padding: 0.8rem 0.95rem;
  outline: none;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--rz-accent);
  box-shadow: 0 0 0 4px var(--rz-accent-soft);
}

/* -----------------------------
   Accessibility
   ----------------------------- */
:focus-visible {
  outline: 3px solid var(--rz-accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}

/* -----------------------------
   Responsive
   ----------------------------- */
@media (max-width: 920px) {
  .hero {
    min-height: auto;
    padding-top: 4rem;
  }

  .protocol-strip,
  .facts,
  .grid,
  .grid.two,
  .contact-grid,
  .highlight-panel,
  .download-panel,
  .toc {
    grid-template-columns: 1fr;
  }

  .strip-item,
  .fact {
    text-align: center;
  }

  .operations {
    columns: 1;
  }
}

@media (max-width: 720px) {
  .site-nav.open {
    align-items: stretch;
    justify-content: center;
    flex-wrap: wrap;
    border-radius: 28px;
    padding: 0.75rem;
  }

  .site-nav.open .brand {
    margin-right: 0;
  }

  .site-nav.open a:not(.brand) {
    width: calc(50% - 0.4rem);
  }

  .hero,
  .about-hero,
  .contact-hero,
  .wp-hero {
    padding-top: 3.5rem;
  }

  .hero h1,
  .about-hero h1,
  .contact-hero h1,
  .wp-hero h1 {
    letter-spacing: -0.045em;
  }

  .abstract-card,
  .download-card,
  .big-panel,
  .final-cta .card,
  .about-cta .card,
  .wp-cta .card {
    padding: 1.35rem;
  }
}

@media (max-width: 460px) {
  .site-nav.open a:not(.brand) {
    width: 100%;
  }

  .btn-primary,
  .btn-secondary,
  .contact-link {
    width: 100%;
  }

  .hero-actions {
    width: 100%;
  }
}
```