:root {
  --gl-bg: #1a1d21;
  --gl-bg-alt: #232830;
  --gl-surface: #2c3239;
  --gl-surface-raised: #343b44;
  --gl-ink: #e8ecef;
  --gl-ink-muted: #9aa3ad;
  --gl-ink-subtle: #6b737c;
  --gl-accent: #c8f135;
  --gl-accent-dim: #9bc428;
  --gl-accent-ink: #1a1d21;
  --gl-line: rgba(232, 236, 239, 0.12);
  --gl-line-strong: rgba(232, 236, 239, 0.22);
  --gl-glow: rgba(200, 241, 53, 0.18);
  --gl-font-display: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --gl-font-body: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --gl-font-mono: ui-monospace, "Cascadia Code", "Segoe UI Mono", monospace;
  --gl-radius: 6px;
  --gl-radius-lg: 16px;
  --gl-radius-pill: 9999px;
  --gl-duration: 0.28s;
  --gl-ease: cubic-bezier(0.2, 1, 0.2, 1);
  --rail-width: 260px;
  --content-max: 1180px;
  --hero-visual-max-h: 55vh;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--gl-bg);
  color: var(--gl-ink);
  font-family: var(--gl-font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.page-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--rail-width) minmax(0, 1fr);
  background:
    linear-gradient(135deg, rgba(200, 241, 53, 0.03) 0%, transparent 40%),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 79px,
      rgba(232, 236, 239, 0.03) 79px,
      rgba(232, 236, 239, 0.03) 80px
    ),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 79px,
      rgba(232, 236, 239, 0.03) 79px,
      rgba(232, 236, 239, 0.03) 80px
    ),
    var(--gl-bg);
}

.page-main {
  min-width: 0;
}

main {
  max-width: calc(var(--content-max) + 80px);
  margin: 0 auto;
  padding: 0 40px 64px;
}

.side-rail {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  border-right: 1px solid var(--gl-line);
  background: linear-gradient(180deg, rgba(35, 40, 48, 0.95), rgba(26, 29, 33, 0.98));
  backdrop-filter: blur(12px);
  z-index: 20;
}

.site-header {
  height: 100%;
  padding: 28px 24px;
}

.header-inner {
  display: flex;
  flex-direction: column;
  gap: 28px;
  height: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--gl-ink);
  font-family: var(--gl-font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.brand-logo {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  max-width: 64px;
  max-height: 64px;
  border-radius: 12px;
  background:
    linear-gradient(145deg, rgba(200, 241, 53, 0.35), rgba(200, 241, 53, 0.08)),
    var(--gl-surface);
  border: 1px solid var(--gl-line-strong);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 8px 24px rgba(0, 0, 0, 0.25);
  position: relative;
}

.brand-logo::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 2px solid var(--gl-accent);
  border-radius: 4px;
  opacity: 0.7;
  transform: rotate(-8deg);
}

.brand small {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--gl-ink-muted);
  letter-spacing: 0.04em;
  margin-top: 2px;
}

.header-inner nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.header-inner nav a,
.header-cta {
  text-decoration: none;
  color: var(--gl-ink-muted);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 10px 14px;
  border-radius: var(--gl-radius);
  border: 1px solid transparent;
  transition: color var(--gl-duration) var(--gl-ease), background var(--gl-duration) var(--gl-ease), border-color var(--gl-duration) var(--gl-ease);
}

.header-inner nav a:hover,
.header-cta:hover {
  color: var(--gl-ink);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--gl-line);
}

.header-cta {
  margin-top: auto;
  text-align: center;
  color: var(--gl-accent-ink);
  background: var(--gl-accent);
  border-color: transparent;
  font-weight: 600;
}

.header-cta:hover {
  background: #d4f85a;
  color: var(--gl-accent-ink);
}

.section-inner {
  width: 100%;
}

.section {
  padding: 72px 0;
  position: relative;
}

.section:nth-child(even) {
  background: linear-gradient(180deg, transparent, rgba(35, 40, 48, 0.45), transparent);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 40px;
}

.section-kicker {
  display: inline-block;
  font-family: var(--gl-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gl-accent);
  margin-bottom: 14px;
}

.section-heading h2 {
  font-family: var(--gl-font-display);
  font-size: clamp(1.5rem, 2.4vw, 2.15rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin: 0 0 16px;
}

.section-heading p {
  margin: 0;
  color: var(--gl-ink-muted);
  font-size: 1.02rem;
}

.fact-disclaimer {
  margin-top: 12px !important;
  font-size: 0.88rem !important;
  color: var(--gl-ink-subtle) !important;
}

.hero {
  padding: 48px 0 64px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 40px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--gl-radius-pill);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--gl-ink);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--gl-line-strong);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  margin-bottom: 20px;
}

.hero h1 {
  font-family: var(--gl-font-display);
  font-size: clamp(1.75rem, 3.2vw, 2.65rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 18px;
}

.lead {
  font-size: 1.05rem;
  color: var(--gl-ink-muted);
  margin: 0 0 24px;
  max-width: 54ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: var(--gl-radius-pill);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--gl-duration) var(--gl-ease), background var(--gl-duration) var(--gl-ease), box-shadow var(--gl-duration) var(--gl-ease);
}

.button-primary {
  color: var(--gl-accent-ink);
  background: var(--gl-accent);
  box-shadow: 0 4px 20px var(--gl-glow);
}

.button-primary:hover {
  transform: translateY(-2px);
  background: #d4f85a;
}

.button-secondary {
  color: var(--gl-ink);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--gl-line-strong);
}

.button-secondary:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.08);
}

.geo-line {
  font-family: var(--gl-font-mono);
  font-size: 0.82rem;
  color: var(--gl-accent-dim);
  letter-spacing: 0.06em;
}

.hero-visual {
  position: relative;
  width: 100%;
  max-height: var(--hero-visual-max-h);
  aspect-ratio: 4 / 3;
  border-radius: var(--gl-radius-lg);
  overflow: hidden;
  background:
    linear-gradient(160deg, rgba(200, 241, 53, 0.06), transparent 55%),
    var(--gl-bg-alt);
  border: 1px solid var(--gl-line-strong);
  box-shadow:
    0 24px 48px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, transparent 48%, rgba(200, 241, 53, 0.08) 48%, rgba(200, 241, 53, 0.08) 52%, transparent 52%),
    linear-gradient(45deg, transparent 68%, rgba(232, 236, 239, 0.04) 68%, rgba(232, 236, 239, 0.04) 70%, transparent 70%);
  pointer-events: none;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: 28px;
}

.layered-stack {
  perspective: 1200px;
}

.card,
.geo-chip,
.chapter,
.process-list li {
  position: relative;
  background: linear-gradient(165deg, var(--gl-surface-raised), var(--gl-surface));
  border: 1px solid var(--gl-line);
  border-radius: var(--gl-radius-lg);
  padding: 28px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.05) inset,
    0 12px 32px rgba(0, 0, 0, 0.22),
    4px 8px 0 rgba(0, 0, 0, 0.12);
  transform: translateZ(0);
  transition: transform var(--gl-duration) var(--gl-ease), box-shadow var(--gl-duration) var(--gl-ease);
}

.layered-stack .card:nth-child(odd),
.layered-stack .geo-chip:nth-child(odd) {
  transform: rotate(-0.6deg) translateY(2px);
}

.layered-stack .card:nth-child(even),
.layered-stack .geo-chip:nth-child(even) {
  transform: rotate(0.5deg) translateY(-2px);
}

.card:hover,
.geo-chip:hover,
.chapter:hover {
  transform: translateY(-4px) rotate(0deg);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.06) inset,
    0 20px 40px rgba(0, 0, 0, 0.28),
    0 0 0 1px rgba(200, 241, 53, 0.12);
}

.card::before,
.geo-chip::before,
.chapter::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--gl-accent), transparent);
  opacity: 0.35;
}

.card-icon {
  display: inline-flex;
  width: 36px;
  height: 36px;
  margin-bottom: 14px;
  border-radius: 8px;
  background: rgba(200, 241, 53, 0.1);
  border: 1px solid rgba(200, 241, 53, 0.25);
  position: relative;
}

.card-icon::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 2px solid var(--gl-accent);
  border-radius: 2px;
  opacity: 0.6;
}

.card-label {
  display: block;
  font-family: var(--gl-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gl-accent-dim);
  margin-bottom: 8px;
}

.card h3 {
  font-family: var(--gl-font-display);
  font-size: 1.12rem;
  font-weight: 600;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}

.card p {
  margin: 0 0 12px;
  color: var(--gl-ink-muted);
  font-size: 0.95rem;
}

.card small {
  display: block;
  font-size: 0.8rem;
  color: var(--gl-ink-subtle);
}

.guide-body {
  display: grid;
  gap: 20px;
}

.chapter h3 {
  font-family: var(--gl-font-display);
  font-size: 1.08rem;
  font-weight: 600;
  margin: 0 0 12px;
}

.chapter p {
  margin: 0 0 12px;
  color: var(--gl-ink-muted);
}

.chapter ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--gl-ink-muted);
}

.chapter li {
  margin-bottom: 6px;
}

.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.process-list li {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  padding: 24px 28px;
}

.step-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(200, 241, 53, 0.12);
  border: 1px solid rgba(200, 241, 53, 0.3);
  position: relative;
}

.step-icon::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 2px solid var(--gl-accent);
  border-radius: 3px;
}

.process-list h3 {
  font-family: var(--gl-font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 8px;
}

.process-list p {
  margin: 0;
  color: var(--gl-ink-muted);
  font-size: 0.95rem;
}

.geo-chips {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: 24px;
}

.geo-chip {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
}

.geo-chip strong {
  font-family: var(--gl-font-display);
  font-size: 1rem;
  font-weight: 600;
}

.geo-chip span {
  color: var(--gl-ink-muted);
  font-size: 0.92rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 40px;
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  background: linear-gradient(165deg, var(--gl-surface-raised), var(--gl-surface));
  border: 1px solid var(--gl-line-strong);
  border-radius: var(--gl-radius-lg);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}

.contact-form label {
  display: grid;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--gl-ink-muted);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--gl-radius);
  border: 1px solid var(--gl-line-strong);
  background: rgba(0, 0, 0, 0.2);
  color: var(--gl-ink);
  font: inherit;
}

.contact-form textarea {
  min-height: 120px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(200, 241, 53, 0.45);
  outline-offset: 1px;
}

.form-message {
  margin: 0;
  font-size: 0.88rem;
  color: var(--gl-accent-dim);
}

.site-footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--gl-line);
  margin-top: 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.footer-brand {
  font-family: var(--gl-font-display);
  font-size: 1.1rem;
}

.site-footer p {
  color: var(--gl-ink-muted);
  font-size: 0.92rem;
  margin: 8px 0 0;
}

.site-footer h3 {
  font-size: 0.82rem;
  font-family: var(--gl-font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gl-accent-dim);
  margin: 0 0 12px;
}

.site-footer a {
  display: block;
  color: var(--gl-ink-muted);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.site-footer a:hover {
  color: var(--gl-ink);
}

@media (max-width: 1100px) {
  .page-shell {
    grid-template-columns: 1fr;
  }

  .side-rail {
    position: relative;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--gl-line);
  }

  .header-inner {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    height: auto;
    gap: 16px;
  }

  .header-inner nav {
    flex-direction: row;
    flex-wrap: wrap;
    order: 3;
    width: 100%;
  }

  .header-cta {
    margin-top: 0;
    margin-left: auto;
  }

  main {
    padding: 0 24px 48px;
  }
}

@media (max-width: 900px) {
  :root {
    --hero-visual-max-h: 44vh;
  }

  .hero-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
    max-width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 600px) {
  :root {
    --hero-visual-max-h: 38vh;
  }

  .section {
    padding: 48px 0;
  }

  main {
    padding: 0 16px 40px;
  }

  .brand-logo {
    width: 40px;
    height: 40px;
  }

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

  .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .layered-stack .card,
  .layered-stack .geo-chip {
    transform: none;
  }
}

@media (min-width: 2160px) {
  :root {
    --content-max: 1320px;
    --rail-width: 280px;
  }

  main {
    padding-left: 56px;
    padding-right: 56px;
  }
}