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

:root {
  --color-bg: #0d1117;
  --color-surface: #161b22;
  --color-surface-hover: #1c2129;
  --color-border: #30363d;
  --color-text: #e6edf3;
  --color-text-muted: #8b949e;
  --color-primary: #7c3aed;
  --color-primary-light: #a78bfa;
  --color-accent: #2dd4bf;
  --color-accent-dim: rgba(45, 212, 191, 0.15);
  --color-clickup: #7b68ee;
  --color-claude: #d97706;
  --color-github: #238636;
  --color-danger: #f85149;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
  --max-width: 1100px;
  --radius: 8px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color 0.2s;
}

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

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-surface);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.nav-logo span {
  color: var(--color-primary-light);
}

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-github {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Hero ── */
.hero {
  padding: 140px 24px 80px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(124, 58, 237, 0.12) 0%, transparent 60%);
}

.hero-inner {
  max-width: 720px;
  margin: 0 auto;
}

.hero-badges {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: border-color 0.2s;
}

.badge:hover {
  border-color: var(--color-primary-light);
  color: var(--color-text);
}

.badge-new {
  background: rgba(45, 212, 191, 0.1);
  border-color: rgba(45, 212, 191, 0.3);
  color: var(--color-accent);
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  max-width: 580px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: #6d28d9;
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-outline:hover {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.hero-install {
  margin-top: 40px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 20px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: border-color 0.2s;
}

.hero-install:hover {
  border-color: var(--color-primary-light);
}

.hero-install .prompt {
  color: var(--color-accent);
  user-select: none;
}

.hero-install .cmd {
  color: var(--color-text);
}

.hero-install .copy-hint {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  opacity: 0;
  transition: opacity 0.2s;
}

.hero-install:hover .copy-hint {
  opacity: 1;
}

/* ── Value Props ── */
.value-props-section {
  padding: 60px 24px;
  border-bottom: 1px solid var(--color-border);
}

.value-props {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
}

.value-prop {
  padding: 8px;
}

.value-number {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 4px;
}

.value-label {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.value-prop p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  max-width: 260px;
  margin: 0 auto;
}

/* ── Before / After Comparison ── */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.comparison-card {
  border-radius: 12px;
  padding: 32px;
  border: 1px solid var(--color-border);
}

.comparison-before {
  background: rgba(248, 81, 73, 0.04);
  border-color: rgba(248, 81, 73, 0.2);
}

.comparison-after {
  background: rgba(45, 212, 191, 0.04);
  border-color: rgba(45, 212, 191, 0.2);
}

.comparison-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.comparison-before .comparison-label {
  color: var(--color-danger);
}

.comparison-after .comparison-label {
  color: var(--color-accent);
}

.comparison-list {
  list-style: none;
  counter-reset: comparison;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.comparison-list li {
  counter-increment: comparison;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.comparison-list li::before {
  content: counter(comparison);
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
}

.comparison-before .comparison-list li::before {
  background: rgba(248, 81, 73, 0.15);
  color: var(--color-danger);
}

.comparison-after .comparison-list li::before {
  background: rgba(45, 212, 191, 0.15);
  color: var(--color-accent);
}

.comparison-time {
  font-size: 1.25rem;
  font-weight: 700;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.comparison-before .comparison-time {
  color: var(--color-danger);
}

.comparison-after .comparison-time {
  color: var(--color-accent);
}

/* ── Section layout ── */
.section {
  padding: 80px 24px;
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ── Flow diagram ── */
.flow {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 48px 32px;
  overflow-x: auto;
}

.flow-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  min-width: 700px;
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex-shrink: 0;
}

.flow-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 12px;
}

.flow-icon.clickup {
  background: rgba(123, 104, 238, 0.15);
  border: 1px solid rgba(123, 104, 238, 0.3);
}

.flow-icon.git {
  background: rgba(248, 81, 73, 0.15);
  border: 1px solid rgba(248, 81, 73, 0.3);
}

.flow-icon.claude {
  background: rgba(217, 119, 6, 0.15);
  border: 1px solid rgba(217, 119, 6, 0.3);
}

.flow-icon.github {
  background: rgba(35, 134, 54, 0.15);
  border: 1px solid rgba(35, 134, 54, 0.3);
}

.flow-step h3 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.flow-step p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  max-width: 120px;
}

.flow-arrow {
  font-size: 1.5rem;
  color: var(--color-text-muted);
  padding: 0 16px;
  flex-shrink: 0;
  margin-bottom: 24px;
}

/* ── Features grid ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.feature-card .icon {
  font-size: 1.5rem;
  margin-bottom: 14px;
  display: block;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ── Use Cases ── */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.use-case-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 32px;
  transition: border-color 0.2s, transform 0.2s;
}

.use-case-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.use-case-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.use-case-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.use-case-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ── Demo Terminal ── */
.demo-terminal {
  max-width: 700px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
}

.demo-terminal pre {
  padding: 24px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--color-text);
}

.demo-terminal .dim {
  color: var(--color-text-muted);
}

.demo-terminal .highlight {
  color: var(--color-primary-light);
  font-weight: 600;
}

.demo-terminal .string {
  color: #a5d6ff;
}

.demo-terminal .link {
  color: var(--color-accent);
  font-weight: 600;
}

.demo-terminal .status-in-review {
  color: #a875ff;
  font-weight: 600;
}

.demo-terminal .prompt {
  color: var(--color-accent);
  user-select: none;
}

/* ── Code blocks ── */
.code-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
}

.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.code-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.code-dot.red { background: #ff5f57; }
.code-dot.yellow { background: #febc2e; }
.code-dot.green { background: #28c840; }

.code-block pre {
  padding: 20px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text);
}

.code-block .comment {
  color: var(--color-text-muted);
}

.code-block .prompt {
  color: var(--color-accent);
  user-select: none;
}

.code-block .string {
  color: #a5d6ff;
}

.code-block .keyword {
  color: #ff7b72;
}

/* ── Quick start ── */
.quickstart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.quickstart-steps {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}

.step-content h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.step-content p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ── Status table ── */
.status-table-wrapper {
  overflow-x: auto;
}

.status-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.status-table th,
.status-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.status-table th {
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* ── Config section ── */
.config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.config-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
}

.config-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.config-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.config-card .code-block {
  margin: 0;
}

/* ── CTA Section ── */
.cta-section {
  background: radial-gradient(ellipse at 50% 100%, rgba(124, 58, 237, 0.1) 0%, transparent 60%);
}

.cta-section h2 {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.2;
}

.cta-subtitle {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  margin-bottom: 32px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.cta-install {
  margin-top: 24px;
}

.cta-install code {
  font-size: 0.9rem;
  padding: 8px 16px;
  border: 1px solid var(--color-border);
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 60px 24px 40px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-top: 12px;
  max-width: 260px;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col a {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.footer-bottom p {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  text-align: center;
}

/* Legacy footer compat */
.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 16px;
  list-style: none;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--color-text);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.25rem;
  }

  .hero-tagline {
    font-size: 1.05rem;
  }

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

  .comparison-grid {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .use-cases-grid {
    grid-template-columns: 1fr;
  }

  .quickstart-grid {
    grid-template-columns: 1fr;
  }

  .config-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px;
    gap: 16px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .flow-steps {
    min-width: 600px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 120px 16px 60px;
  }

  .hero h1 {
    font-size: 1.85rem;
  }

  .section {
    padding: 60px 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .cta-section h2 {
    font-size: 1.75rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }
}