:root {
  --bg-dark: #09090b;
  --bg-card-dark: #121216;
  --bg-elevated: #18181e;
  --bg-light: #ffffff;
  --bg-offwhite: #f7f8f5;
  --text-light: #fafafa;
  --text-muted: #a1a1aa;
  --text-dark: #09090b;
  --text-dark-muted: #52525b;
  --accent-orange: #ff5e00;
  --accent-orange-hover: #ff7726;
  --accent-orange-soft: rgba(255, 94, 0, 0.14);
  --accent-lime: #b8ff01;
  --accent-lime-hover: #cbff38;
  --accent-lime-soft: rgba(184, 255, 1, 0.14);
  --border-dark: rgba(255, 255, 255, 0.1);
  --border-light: #e4e4e7;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 9999px;
  --shadow-glow-orange: 0 12px 36px -8px rgba(255, 94, 0, 0.4);
  --shadow-glow-lime: 0 12px 36px -8px rgba(184, 255, 1, 0.28);
  --shadow-card: 0 20px 45px -15px rgba(0, 0, 0, 0.55);
  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", "SFMono-Regular", Consolas, ui-monospace, monospace;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

ul, ol {
  list-style: none;
}

img, svg {
  vertical-align: middle;
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 9, 11, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-dark);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 20px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: var(--bg-light);
}

.brand-logo .brand-badge {
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  background: var(--accent-lime);
  color: var(--text-dark);
  font-weight: 800;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-lime);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: rgba(184, 255, 1, 0.1);
  border: 1px solid rgba(184, 255, 1, 0.3);
  color: var(--accent-lime);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  font-weight: 600;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-lime);
  box-shadow: 0 0 10px var(--accent-lime);
}

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border-dark);
  color: var(--text-light);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  text-align: center;
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.86rem;
}

.btn-orange {
  background: var(--accent-orange);
  color: #ffffff;
  box-shadow: var(--shadow-glow-orange);
}

.btn-orange:hover {
  background: var(--accent-orange-hover);
  transform: translateY(-2px);
}

.btn-lime {
  background: var(--accent-lime);
  color: var(--text-dark);
  box-shadow: var(--shadow-glow-lime);
}

.btn-lime:hover {
  background: var(--accent-lime-hover);
  transform: translateY(-2px);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-dark);
  color: var(--text-light);
}

.btn-outline:hover {
  border-color: var(--accent-lime);
  color: var(--accent-lime);
}

.btn-dark {
  background: var(--bg-dark);
  color: var(--bg-light);
}

.btn-dark:hover {
  background: #1c1c22;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 84px 0 72px;
  background:
    radial-gradient(circle at 15% 15%, rgba(255, 94, 0, 0.18), transparent 42%),
    radial-gradient(circle at 85% 25%, rgba(184, 255, 1, 0.14), transparent 45%),
    var(--bg-dark);
  border-bottom: 1px solid var(--border-dark);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.eyebrow-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  background: var(--bg-elevated);
  border: 1px solid rgba(255, 94, 0, 0.45);
  color: #ff9859;
  font-size: 0.83rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.eyebrow-badge span.lime {
  color: var(--accent-lime);
  font-family: var(--font-mono);
}

.hero h1 {
  font-size: clamp(2.3rem, 4.2vw, 3.75rem);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.035em;
  margin-bottom: 22px;
}

.text-gradient-orange {
  background: linear-gradient(90deg, #ff5e00 0%, #ff9a3c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-lime {
  color: var(--accent-lime);
}

.hero-lead {
  font-size: 1.14rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 620px;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.stack-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.stack-pill {
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--bg-card-dark);
  border: 1px solid var(--border-dark);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #e4e4e7;
}

.stack-pill strong {
  color: var(--accent-orange);
}

/* Interactive Terminal Widget */
.terminal-card {
  background: #0d0d11;
  border: 1px solid rgba(184, 255, 1, 0.28);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: #15151b;
  border-bottom: 1px solid var(--border-dark);
}

.window-dots {
  display: flex;
  gap: 7px;
}

.window-dots span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.window-dots span:nth-child(1) { background: #ff5f56; }
.window-dots span:nth-child(2) { background: #ffbd2e; }
.window-dots span:nth-child(3) { background: #27c93f; }

.terminal-tabs {
  display: flex;
  gap: 6px;
}

.terminal-tab {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 5px 11px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  cursor: pointer;
}

.terminal-tab.active {
  background: var(--accent-orange-soft);
  border-color: var(--accent-orange);
  color: #ffffff;
}

.terminal-body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.6;
  min-height: 290px;
}

.terminal-panel {
  display: none;
}

.terminal-panel.active {
  display: block;
}

.code-comment { color: #71717a; }
.code-kw { color: var(--accent-orange); font-weight: 700; }
.code-str { color: var(--accent-lime); }
.code-out {
  margin-top: 14px;
  padding: 12px;
  background: rgba(184, 255, 1, 0.07);
  border-left: 3px solid var(--accent-lime);
  border-radius: 6px;
  color: #e4e4e7;
}

/* Metrics Strip */
.metrics-strip {
  padding: 44px 0;
  background: var(--bg-light);
  color: var(--text-dark);
  border-bottom: 1px solid var(--border-light);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.metric-box {
  padding: 22px 24px;
  border-radius: var(--radius-md);
  background: var(--bg-offwhite);
  border: 2px solid var(--text-dark);
  box-shadow: 6px 6px 0 var(--accent-orange);
}

.metric-box.lime-shadow {
  box-shadow: 6px 6px 0 var(--accent-lime);
}

.metric-value {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.metric-label {
  font-size: 0.9rem;
  color: var(--text-dark-muted);
  font-weight: 600;
}

/* Sections */
.section {
  padding: 84px 0;
}

.section-light {
  background: var(--bg-light);
  color: var(--text-dark);
}

.section-offwhite {
  background: var(--bg-offwhite);
  color: var(--text-dark);
}

.section-header {
  max-width: 760px;
  margin-bottom: 52px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 5px 12px;
  border-radius: 6px;
  background: var(--accent-orange);
  color: #ffffff;
  margin-bottom: 14px;
}

.section-tag.lime {
  background: var(--accent-lime);
  color: var(--text-dark);
}

.section-title {
  font-size: clamp(1.85rem, 3vw, 2.75rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.06rem;
  color: var(--text-muted);
}

.section-light .section-subtitle,
.section-offwhite .section-subtitle {
  color: var(--text-dark-muted);
}

/* Cards Grid */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 30px;
  transition: transform 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-lime);
}

.section-light .feature-card,
.section-offwhite .feature-card {
  background: #ffffff;
  border: 2px solid var(--text-dark);
  color: var(--text-dark);
  box-shadow: 6px 6px 0 var(--text-dark);
}

.section-light .feature-card:hover,
.section-offwhite .feature-card:hover {
  border-color: var(--accent-orange);
  box-shadow: 6px 6px 0 var(--accent-orange);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-orange-soft);
  color: var(--accent-orange);
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-weight: 800;
}

.card-icon.lime {
  background: var(--accent-lime);
  color: var(--text-dark);
}

.feature-card h3 {
  font-size: 1.28rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.section-light .feature-card p,
.section-offwhite .feature-card p {
  color: var(--text-dark-muted);
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-dark);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.section-light .card-meta,
.section-offwhite .card-meta {
  border-top-color: var(--border-light);
}

/* Income Calculator / Filter Tabs */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.filter-btn {
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-dark);
  background: var(--bg-card-dark);
  color: var(--text-light);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--accent-lime);
  color: var(--text-dark);
  border-color: var(--accent-lime);
}

.search-input {
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-dark);
  background: var(--bg-card-dark);
  color: var(--text-light);
  font-size: 0.95rem;
  min-width: 280px;
}

.search-input:focus {
  outline: 2px solid var(--accent-orange);
}

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 880px;
}

.faq-item {
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  background: var(--bg-card-dark);
  overflow: hidden;
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: transparent;
  border: none;
  color: var(--text-light);
  font-size: 1.05rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.faq-trigger span.icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-orange-soft);
  color: var(--accent-orange);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  transition: transform 0.2s ease;
}

.faq-item.open .faq-trigger span.icon {
  transform: rotate(45deg);
  background: var(--accent-lime);
  color: var(--text-dark);
}

.faq-content {
  display: none;
  padding: 0 24px 22px;
  color: var(--text-muted);
  font-size: 0.96rem;
}

.faq-item.open .faq-content {
  display: block;
}

/* Article Layout & Rich Content */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  font-family: var(--font-mono);
}

.breadcrumbs a:hover {
  color: var(--accent-lime);
}

.article-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 42px;
  align-items: start;
}

.toc-box {
  position: sticky;
  top: 100px;
  background: var(--bg-card-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 22px;
}

.toc-box h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-lime);
  margin-bottom: 14px;
  font-family: var(--font-mono);
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toc-list a {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.toc-list a:hover {
  color: var(--accent-orange);
}

.article-prose {
  background: var(--bg-card-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 44px;
}

.article-prose h1 {
  font-size: clamp(1.9rem, 3.2vw, 2.7rem);
  line-height: 1.15;
  margin-bottom: 18px;
  font-weight: 900;
}

.article-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding-bottom: 24px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--border-dark);
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.article-prose h2 {
  font-size: 1.55rem;
  margin: 36px 0 14px;
  color: var(--bg-light);
  font-weight: 800;
}

.article-prose h3 {
  font-size: 1.2rem;
  margin: 26px 0 10px;
  color: var(--accent-lime);
}

.article-prose p {
  margin-bottom: 18px;
  color: #d4d4d8;
}

.article-prose ul,
.article-prose ol {
  margin: 0 0 22px 22px;
  color: #d4d4d8;
}

.article-prose ul li {
  list-style: disc;
  margin-bottom: 8px;
}

.article-prose ol li {
  list-style: decimal;
  margin-bottom: 8px;
}

.callout-box {
  margin: 26px 0;
  padding: 20px 24px;
  border-radius: var(--radius-md);
  background: rgba(255, 94, 0, 0.1);
  border-left: 4px solid var(--accent-orange);
}

.callout-box.lime {
  background: rgba(184, 255, 1, 0.08);
  border-left-color: var(--accent-lime);
}

.code-block-wrap {
  position: relative;
  margin: 24px 0;
  background: #08080a;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: #141419;
  border-bottom: 1px solid var(--border-dark);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.copy-code-btn {
  background: var(--accent-lime);
  color: var(--text-dark);
  border: none;
  padding: 4px 12px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
}

.code-block-wrap pre {
  padding: 18px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: #e4e4e7;
}

/* Auth / SSO Portal */
.auth-wrapper {
  max-width: 560px;
  margin: 0 auto;
  background: var(--bg-card-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
}

.auth-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  background: #0b0b0e;
  padding: 6px;
  border-radius: var(--radius-sm);
  margin-bottom: 28px;
}

.auth-tab-btn {
  padding: 10px 8px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.83rem;
  cursor: pointer;
}

.auth-tab-btn.active {
  background: var(--accent-orange);
  color: #ffffff;
}

.auth-pane {
  display: none;
}

.auth-pane.active {
  display: block;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #e4e4e7;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-dark);
  background: #0b0b0e;
  color: var(--text-light);
  font-size: 0.95rem;
  font-family: inherit;
}

.form-control:focus {
  outline: 2px solid var(--accent-lime);
}

.alert-box {
  display: none;
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  line-height: 1.5;
}

.alert-box.show {
  display: block;
}

.alert-error {
  background: rgba(255, 94, 0, 0.14);
  border: 1px solid var(--accent-orange);
  color: #ffb38a;
}

.alert-success {
  background: rgba(184, 255, 1, 0.12);
  border: 1px solid var(--accent-lime);
  color: var(--accent-lime);
}

/* Footer */
.site-footer {
  background: #060608;
  border-top: 1px solid var(--border-dark);
  padding: 64px 0 36px;
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 36px;
  margin-bottom: 44px;
}

.footer-col h4 {
  color: var(--bg-light);
  font-size: 0.95rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--border-dark);
  font-size: 0.84rem;
  gap: 16px;
}

@media (max-width: 980px) {
  .hero-grid,
  .grid-3,
  .grid-2,
  .metrics-grid,
  .article-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .toc-box {
    position: static;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #09090b;
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border-dark);
  }
  .nav-links.open {
    display: flex;
  }
  .mobile-menu-btn {
    display: inline-flex;
  }
}