:root {
  --bg-canvas: #1e2530;
  --bg-surface: #303b4a;
  --bg-surface-hover: #3a4759;
  --text-primary: #ffffff;
  --text-muted: #cbd5e1;
  --accent-lime: #a3e635;
  --accent-lime-hover: #bef264;
  --dark-ink: #111827;
  --border-subtle: rgba(255, 255, 255, 0.12);
  --border-card: rgba(255, 255, 255, 0.18);
  --shadow-hard: 4px 4px 0px #090d13;
  --shadow-subtle: 0 12px 28px rgba(0, 0, 0, 0.35);
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --content-max: 1160px;
  --reading-max: 72ch;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  font-size: 1rem;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--accent-lime);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -999px;
  left: 1rem;
  background: var(--accent-lime);
  color: var(--dark-ink);
  font-weight: 700;
  padding: 0.75rem 1.25rem;
  z-index: 9999;
  border-radius: 0;
}

.skip-link:focus {
  top: 1rem;
}

/* Header & Navigation */
.site-header {
  position: relative;
  background: #171d26;
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.75rem 1.5rem;
}

.header-top {
  max-width: var(--content-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-align: left;
}

.brand-badge {
  width: 38px;
  height: 38px;
  background: var(--accent-lime);
  color: var(--dark-ink);
  border-radius: 9999px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.05rem;
  box-shadow: 2px 2px 0 #000;
}

.brand-text {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
}

.brand-tag {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 1.25rem;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  border-radius: 0;
  line-height: 1;
}

.site-nav {
  max-width: var(--content-max);
  margin: 0.5rem auto 0;
  display: flex;
  justify-content: center;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 0.5rem;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  color: var(--text-muted);
  border-radius: 0;
  transition: all 0.15s ease-in-out;
  border-bottom: 2px solid transparent;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: var(--accent-lime);
  border-bottom-color: var(--accent-lime);
  background: rgba(163, 230, 53, 0.08);
}

/* Layout containers */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.reading-column {
  max-width: var(--reading-max);
  margin: 0 auto;
}

/* Hero Section */
.hero-band {
  background: #171d26;
  border-bottom: 1px solid var(--border-subtle);
  padding: 2.25rem 1.5rem 2rem;
}

.hero-band h1 {
  font-size: clamp(1.85rem, 3.8vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
  max-width: 900px;
}

.hero-dek {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 760px;
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.meta-stats-row {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  align-items: center;
  padding-top: 0.75rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.15);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.stat-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.stat-bullet {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--accent-lime);
  border-radius: 9999px;
}

/* Buttons */
.btn-lime {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-lime);
  color: var(--dark-ink);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--dark-ink);
  border-radius: 0;
  box-shadow: var(--shadow-hard);
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

.btn-lime:hover {
  background: var(--accent-lime-hover);
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px #090d13;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.35rem;
  background: var(--bg-surface);
  color: #fff;
  border: 1px solid var(--border-card);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  transition: background 0.15s ease;
}

.btn-secondary:hover {
  background: var(--bg-surface-hover);
  border-color: rgba(255, 255, 255, 0.4);
}

/* Sections */
.section-padding {
  padding: clamp(2.5rem, 5vw, 4.5rem) 1.5rem;
}

.section-title-wrap {
  margin-bottom: 2rem;
}

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-lime);
  margin-bottom: 0.35rem;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-desc {
  color: var(--text-muted);
  max-width: 65ch;
  margin-top: 0.4rem;
  font-size: 1.025rem;
}

/* Lime Separator Bands */
.band-lime-break {
  background: var(--accent-lime);
  color: var(--dark-ink);
  padding: 3rem 1.5rem;
  border-top: 3px solid var(--dark-ink);
  border-bottom: 3px solid var(--dark-ink);
}

.band-lime-break h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  color: var(--dark-ink);
}

.band-lime-break p {
  color: #1f2937;
  font-size: 1.05rem;
  max-width: var(--reading-max);
  line-height: 1.6;
}

.band-lime-break strong {
  color: #000;
}

/* Card & Bento Grids */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

/* Frosted Surface Cards */
.panel-slate {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 1.75rem;
  border-radius: 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease;
}

.panel-slate:hover {
  border-color: rgba(163, 230, 53, 0.4);
  transform: translateY(-2px);
}

.panel-img-wrap {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #141a22;
  margin-bottom: 1.25rem;
  border: 1px solid var(--border-subtle);
}

.panel-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.2rem 0.6rem;
  background: rgba(163, 230, 53, 0.15);
  color: var(--accent-lime);
  display: inline-block;
  margin-bottom: 0.6rem;
  border-radius: 9999px;
  font-weight: 600;
  width: fit-content;
}

.panel-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.panel-body {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.panel-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.action-link {
  color: var(--accent-lime);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.action-link:hover {
  text-decoration: underline;
}

/* Pull Quotes & Tips */
.playbook-quote {
  background: #252e3b;
  border-left: 4px solid var(--accent-lime);
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
  font-size: 1.1rem;
  font-style: italic;
  color: #f1f5f9;
}

.playbook-quote cite {
  display: block;
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-style: normal;
  color: var(--accent-lime);
}

/* Sequences & Spec Lists */
.rule-step-list {
  list-style: none;
  counter-reset: step-counter;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.rule-step-item {
  counter-increment: step-counter;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 1.25rem 1.5rem;
}

.rule-step-item::before {
  content: counter(step-counter, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent-lime);
  background: #242c38;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border-subtle);
}

.rule-step-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.rule-step-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Data Table wrapper */
.table-scroll-container {
  overflow-x: auto;
  margin: 1.75rem 0;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.playbook-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
  min-width: 600px;
}

.playbook-table th {
  background: #212934;
  padding: 0.85rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-lime);
  border-bottom: 2px solid var(--border-subtle);
}

.playbook-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
}

.playbook-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
  color: #fff;
}

/* FAQ Accordion */
.faq-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 0;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-icon {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--accent-lime);
  transition: transform 0.2s ease;
}

.faq-answer {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.6;
}

/* Contact Interactive Form */
.contact-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
  color: var(--accent-lime);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  background: #232c37;
  border: 1px solid var(--border-card);
  color: #fff;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border-radius: 0;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--accent-lime);
  background: #1c232c;
}

.draft-preview {
  margin-top: 1.5rem;
  background: #161c24;
  border: 1px dashed rgba(255, 255, 255, 0.2);
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  white-space: pre-wrap;
  color: #e2e8f0;
}

/* Footer */
.site-footer {
  background: #141920;
  border-top: 1px solid var(--border-subtle);
  padding: 3.5rem 1.5rem 2rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
}

.footer-brand-title {
  color: #fff;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.footer-col h3 {
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-nav-list a:hover {
  color: var(--accent-lime);
}

.footer-bottom {
  max-width: var(--content-max);
  margin: 2.5rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  font-family: var(--font-mono);
  gap: 1rem;
}

/* Responsive adjustments */
@media (max-width: 860px) {
  .site-header {
    padding: 0.75rem 1rem;
  }
  .mobile-menu-btn {
    display: inline-block;
  }
  .site-nav {
    display: none;
    width: 100%;
    margin-top: 0.75rem;
  }
  .site-nav.is-open {
    display: block;
  }
  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
  .nav-link {
    width: 100%;
    padding: 0.6rem 0.5rem;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-band {
    padding: 1.75rem 1rem;
  }
  .section-padding {
    padding: 2rem 1rem;
  }
  .rule-step-item {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}