:root {
  --black: #000000;
  --white: #ffffff;
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #e5e5e5;
  --gray-300: #d4d4d4;
  --gray-400: #a3a3a3;
  --gray-500: #737373;
  --gray-600: #525252;
  --gray-700: #404040;
  --gray-800: #262626;
  --gray-900: #171717;
  --gray-950: #0a0a0a;
  --code-bg: #111111;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--black);
  background: var(--white);
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== Nav ========== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  font-size: 17px;
  font-weight: 700;
  color: var(--black);
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-600);
  text-decoration: none;
}

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

.btn-nav {
  background: var(--black) !important;
  color: var(--white) !important;
  padding: 7px 16px;
  border-radius: 6px;
  font-size: 14px !important;
  font-weight: 600 !important;
  text-decoration: none !important;
}

.btn-nav:hover {
  background: var(--gray-800) !important;
}

/* ========== Hero ========== */

.hero {
  padding: 140px 0 80px;
  text-align: center;
}

.hero h1 {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--black);
  margin-bottom: 20px;
}

.subheadline {
  font-size: 20px;
  font-weight: 400;
  color: var(--gray-500);
  max-width: 620px;
  margin: 0 auto 48px;
  line-height: 1.5;
}

/* Code card */

.code-card {
  max-width: 560px;
  margin: 0 auto 48px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--code-bg);
  text-align: left;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
}

.tabs {
  display: flex;
  border-bottom: 1px solid var(--gray-800);
}

.tab {
  background: none;
  border: none;
  padding: 10px 20px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-500);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.tab.active {
  color: var(--white);
  border-bottom-color: var(--white);
}

.tab:hover {
  color: var(--gray-300);
}

.code-block {
  display: none;
  padding: 24px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray-300);
  overflow-x: hidden;
  word-wrap: break-word;
  white-space: pre-wrap;
}

.code-block.active {
  display: block;
}

.code-block .kw { color: var(--white); font-weight: 700; }
.code-block .fn { color: var(--white); }
.code-block .st { color: var(--gray-400); }
.code-block .cm { color: var(--gray-600); }

/* Hero CTA */

.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.btn-primary {
  display: inline-block;
  background: var(--black);
  color: var(--white);
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid var(--black);
}

.btn-primary:hover {
  background: var(--white);
  color: var(--black);
}

.install-cmd {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--gray-500);
  background: var(--gray-100);
  padding: 8px 16px;
  border-radius: 6px;
  user-select: all;
  cursor: text;
}

/* ========== Dashboard Section ========== */

.dashboard-section {
  padding: 40px 0 100px;
}

.dashboard-card {
  background: var(--code-bg);
  border: 1px solid var(--gray-800);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.dashboard-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.dashboard-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.dashboard-meta {
  font-size: 13px;
  color: var(--gray-500);
}

.dashboard-total {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-300);
  margin-left: auto;
  font-family: var(--font-mono);
}

/* Bar chart */

.chart {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.chart-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

.chart-label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gray-400);
  width: 160px;
  flex-shrink: 0;
  text-align: right;
}

.chart-bar-wrapper {
  flex: 1;
  height: 28px;
  background: var(--gray-900);
  border-radius: 4px;
  overflow: hidden;
}

.chart-bar {
  height: 100%;
  background: var(--white);
  border-radius: 4px;
  opacity: 0.85;
}

.chart-value {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-300);
  width: 72px;
  flex-shrink: 0;
  text-align: right;
}

/* Dashboard divider */

.dashboard-divider {
  height: 1px;
  background: var(--gray-800);
  margin-bottom: 24px;
}

/* Source table */

.source-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.source-table th {
  text-align: left;
  color: var(--gray-500);
  font-weight: 500;
  padding: 0 0 12px;
  border-bottom: 1px solid var(--gray-800);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.source-table td {
  padding: 10px 0;
  color: var(--gray-400);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-family: var(--font-mono);
}

.source-table .file-name {
  color: var(--white);
  font-weight: 500;
}

.source-table th:nth-child(2),
.source-table th:nth-child(3),
.source-table td:nth-child(2),
.source-table td:nth-child(3) {
  text-align: right;
}

/* ========== Value Props ========== */

.value-props {
  padding: 100px 0;
}

.props-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.prop-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 12px;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.prop-card p {
  font-size: 16px;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ========== Comparison ========== */

.comparison {
  padding: 80px 0 100px;
  background: var(--gray-50);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.comparison-col {
  padding: 36px;
  border-radius: 10px;
}

.comparison-col h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.comparison-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.comparison-col li {
  font-size: 15px;
  line-height: 1.5;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

/* Before column */

.comparison-before {
  background: var(--white);
  border: 1px solid var(--gray-200);
}

.comparison-before h3 {
  color: var(--gray-500);
}

.comparison-before li {
  color: var(--gray-500);
}

.x {
  font-weight: 700;
  font-size: 16px;
  color: var(--gray-400);
  flex-shrink: 0;
}

/* After column */

.comparison-after {
  background: var(--black);
  border: 1px solid var(--gray-800);
}

.comparison-after h3 {
  color: var(--white);
}

.comparison-after li {
  color: var(--gray-300);
  font-family: var(--font-mono);
  font-size: 14px;
}

.check {
  color: var(--white);
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}

/* ========== Footer CTA ========== */

.footer-cta {
  padding: 100px 0 80px;
  text-align: center;
}

.footer-cta h2 {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 32px;
  color: var(--black);
}

.no-cc {
  margin-top: 16px;
  font-size: 14px;
  color: var(--gray-500);
}

/* ========== Footer ========== */

.footer {
  padding: 40px 0;
  border-top: 1px solid var(--gray-200);
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-bottom: 20px;
}

.footer-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-500);
  text-decoration: none;
}

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

.copyright {
  font-size: 13px;
  color: var(--gray-400);
}

/* ========== Responsive ========== */

@media (max-width: 768px) {
  .hero {
    padding: 110px 0 60px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .subheadline {
    font-size: 17px;
    margin-bottom: 36px;
  }

  .code-card {
    margin-bottom: 36px;
  }

  .dashboard-card {
    padding: 20px;
  }

  .dashboard-header {
    flex-direction: column;
    gap: 4px;
  }

  .dashboard-total {
    margin-left: 0;
  }

  .chart-label {
    width: 110px;
    font-size: 11px;
  }

  .chart-value {
    width: 60px;
    font-size: 11px;
  }

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

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

  .comparison-col {
    padding: 28px;
  }

  .footer-cta h2 {
    font-size: 28px;
  }

  .nav-links {
    gap: 16px;
  }

  .nav-links a {
    font-size: 13px;
  }

  .btn-nav {
    padding: 6px 12px;
    font-size: 13px !important;
  }
}