/* ── Perfectionist CSS v5 ───────────────────────────────────── */
:root {
  --bg: #000;
  --fg: #fff;
  --fg-muted: #888;
  --accent: #fff; 
  --accent-rgb: 255, 255, 255;
  --border: rgba(255, 255, 255, 0.08);
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  --s1: 0.25rem;
  --s2: 0.5rem;
  --s4: 1rem;
  --s6: 1.5rem;
  --s8: 2rem;
  --s12: 3rem;
  --s16: 4rem;
  
  --fs-xs: 0.75rem;
  --fs-sm: 0.85rem;
  --fs-base: 1rem;
  --fs-lg: 1.1rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.75rem;
  --fs-3xl: 2.5rem;
  --fs-4xl: 3.5rem;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 var(--s8); }
.section { padding: var(--s16) 0; }
.section--alt { background: #050505; }

/* ── Nav ────────────────────────────────────────────────────── */
.nav {
  height: 60px;
  display: flex;
  align-items: center;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav .wrap { display: flex; align-items: center; width: 100%; }
.nav__logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 15px; }
.nav__logo img { width: 20px; height: 20px; }
.nav__links { display: flex; gap: var(--s8); margin-left: auto; font-size: 13px; color: var(--fg-muted); }
.nav__links a:hover { color: var(--fg); }
.nav__lang { margin-left: var(--s8); display: flex; gap: 8px; font-family: var(--font-mono); font-size: 10px; }
.nav__lang a { color: var(--fg-muted); }
.nav__lang a.active { color: var(--accent); font-weight: 700; }

/* ── Hero ───────────────────────────────────────────────────── */
.hero { padding: 140px 0 100px; position: relative; }
.glow {
  position: absolute; top: 30%; left: 50%; transform: translateX(-50%);
  width: 800px; height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  filter: blur(80px); pointer-events: none;
}
.hero__content { display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--s12); align-items: center; }
.hero__eyebrow { font-family: var(--font-mono); font-size: 11px; color: var(--accent); margin-bottom: var(--s2); letter-spacing: 0.1em; }
.hero__title { font-size: var(--fs-4xl); font-weight: 800; letter-spacing: -0.04em; line-height: 1.1; margin-bottom: var(--s4); }
.hero__desc { font-size: var(--fs-lg); color: var(--fg-muted); margin-bottom: var(--s8); max-width: 500px; }
.hero__ctas { display: flex; gap: var(--s4); }

.terminal {
  background: #080808; border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: 0 40px 80px rgba(0,0,0,0.6); overflow: hidden; font-family: var(--font-mono);
}
.terminal__header { background: #0d0d0d; padding: 12px 16px; display: flex; gap: 8px; border-bottom: 1px solid var(--border); }
.terminal__dot { width: 10px; height: 10px; border-radius: 50%; }
.terminal__dot--r { background: #ff5f56; }
.terminal__dot--y { background: #ffbd2e; }
.terminal__dot--g { background: #27c93f; }
.terminal__body { padding: 24px; font-size: 13px; color: var(--accent); }

/* ── Benchmarks ─────────────────────────────────────────────── */
.benchmarks { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s8); margin-bottom: var(--s12); padding: var(--s8); background: #080808; border: 1px solid var(--border); border-radius: var(--radius-lg); }
.bench__item { display: flex; flex-direction: column; align-items: center; text-align: center; }
.bench__num { font-size: var(--fs-3xl); font-weight: 800; color: var(--accent); margin-bottom: 8px; letter-spacing: -0.02em; }
.bench__label { font-size: 10px; font-family: var(--font-mono); color: var(--fg-muted); text-transform: uppercase; margin-bottom: 4px; }
.bench__vs { font-size: 10px; color: var(--fg-muted); }
.bench__vs span { color: #f43f5e; }
.bench__vs span.success { color: var(--accent); }

/* ── Features Carousel ──────────────────────────────────────── */
.section__header { margin-bottom: var(--s12); }
.section__label { font-family: var(--font-mono); font-size: 11px; color: var(--accent); margin-bottom: var(--s2); text-transform: uppercase; letter-spacing: 0.05em; }
.section__title { font-size: var(--fs-3xl); font-weight: 800; letter-spacing: -0.03em; margin-bottom: var(--s4); }

.carousel-wrapper { position: relative; margin: 0 calc(var(--s8) * -1); }
.features-carousel { 
  display: flex; gap: var(--s4); padding: 0 var(--s8) var(--s8) var(--s8); 
  overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; 
  scrollbar-width: none; /* Firefox */
}
.features-carousel::-webkit-scrollbar { display: none; }
.feature-card { 
  background: #080808; border: 1px solid var(--border); border-radius: var(--radius-lg); 
  padding: var(--s8); display: flex; flex-direction: column; 
  min-width: 320px; max-width: 380px; width: 85vw; scroll-snap-align: center; flex: 0 0 auto;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s; position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--accent), transparent); opacity: 0; transition: 0.4s;
}
.feature-card:hover { border-color: rgba(var(--accent-rgb), 0.4); background: #0a0a0a; transform: translateY(-4px); }
.feature-card:hover::before { opacity: 1; }
.feature__num { opacity: 0.3; font-family: var(--font-mono); font-size: 14px; font-weight: 700; margin-bottom: var(--s8); color: var(--fg); }
.feature__title { font-size: var(--fs-xl); margin-bottom: var(--s2); }
.feature__body { font-size: var(--fs-sm); color: var(--fg-muted); line-height: 1.6; }
.feature__tag { margin-top: var(--s4); font-family: var(--font-mono); font-size: 10px; color: var(--accent); background: rgba(var(--accent-rgb), 0.1); padding: 4px 8px; border-radius: 4px; width: fit-content; }
.carousel-controls { display: flex; gap: 12px; justify-content: flex-end; padding: 0 var(--s8); margin-top: var(--s2); }
.carousel-btn { 
  background: #111; border: 1px solid var(--border); color: var(--fg); width: 48px; height: 48px; 
  border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: 0.3s;
}
.carousel-btn:hover { background: #222; border-color: rgba(var(--accent-rgb), 0.5); color: var(--accent); }

/* ── Comparison Table ───────────────────────────────────────── */
.table-container { border: 1px solid var(--border); border-radius: var(--radius-lg); overflow-x: auto; background: #050505; margin-top: var(--s8); }
table.cmp { width: 100%; border-collapse: collapse; min-width: 800px; font-size: 13px; position: relative; }
table.cmp th, table.cmp td { padding: 18px 16px; border-bottom: 1px solid var(--border); text-align: left; }
table.cmp th { font-family: var(--font-mono); font-size: 10px; color: var(--fg-muted); text-transform: uppercase; background: #0a0a0a; position: sticky; top: 0; z-index: 10; box-shadow: 0 1px 0 var(--border); }
table.cmp th:first-child, table.cmp td:first-child { position: sticky; left: 0; background: #050505; z-index: 20; border-right: 1px solid var(--border); font-weight: 500; }
table.cmp th:first-child { z-index: 30; background: #0a0a0a; }

table.cmp tbody tr:nth-child(even) { background: rgba(255,255,255,0.015); }
table.cmp tbody tr:nth-child(even) td:first-child { background: #070707; }

table.cmp .hl { background: rgba(var(--accent-rgb), 0.04); color: var(--accent); font-weight: 600; border-left: 1px solid rgba(var(--accent-rgb), 0.2); border-right: 1px solid rgba(var(--accent-rgb), 0.2); }
table.cmp th.hl { background: rgba(var(--accent-rgb), 0.08); border-top: 1px solid rgba(var(--accent-rgb), 0.2); }
table.cmp tbody tr:nth-child(even) .hl { background: rgba(var(--accent-rgb), 0.06); }

table.cmp .section-header td { background: #0d0d0d; font-weight: 700; color: var(--fg); text-transform: uppercase; font-size: 11px; z-index: 25; }

.tag-y, .tag-n { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; }
.tag-y { color: var(--accent); background: rgba(var(--accent-rgb), 0.1); }
.tag-y::after { content: '✓'; font-weight: bold; font-size: 12px; }
.tag-n { color: #555; background: rgba(255, 255, 255, 0.05); }
.tag-n::after { content: '×'; font-weight: bold; font-size: 16px; line-height: 1; }

/* ── Community ─────────────────────────────────────────────── */
.community-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s6); }
.community-item { background: #0a0a0a; border: 1px solid var(--border); padding: var(--s8); border-radius: var(--radius-lg); transition: 0.3s; display: flex; flex-direction: column; }
.community-item:hover { border-color: rgba(var(--accent-rgb), 0.3); transform: translateY(-4px); background: #0d0d0d; }
.community-item__label { font-family: var(--font-mono); font-size: 10px; color: var(--accent); margin-bottom: 8px; }
.community-item__title { font-size: var(--fs-xl); margin-bottom: 8px; }
.community-item__body { font-size: var(--fs-sm); color: var(--fg-muted); margin-bottom: var(--s6); flex: 1; }
.community-item__arrow { font-size: 12px; color: var(--accent); margin-top: auto; }

/* ── Quickstart & Stack ─────────────────────────────────────── */
.quickstart-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--s8); }
.codeblock { background: #0a0a0a; border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.codeblock__header { background: #121212; padding: 10px 16px; display: flex; align-items: center; gap: 8px; border-bottom: 1px solid var(--border); }
.codeblock__dot { width: 8px; height: 8px; border-radius: 50%; }
.codeblock__title { font-family: var(--font-mono); font-size: 10px; color: var(--fg-muted); }
.codeblock pre { padding: 20px; font-family: var(--font-mono); font-size: 12px; color: var(--accent); overflow-x: auto; }

.stack-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s4); }
.stack-item { background: #080808; border: 1px solid var(--border); padding: var(--s6); border-radius: var(--radius-md); transition: 0.2s; }
.stack-item__label { font-family: var(--font-mono); font-size: 10px; color: var(--accent); margin-bottom: 4px; text-transform: uppercase; }
.stack-item__val { font-size: var(--fs-sm); font-weight: 500; }

/* ── Footer ─────────────────────────────────────────────────── */
.footer { padding: var(--s16) 0 var(--s8); border-top: 1px solid var(--border); background: #020202; }
.footer__inner { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: var(--s12); margin-bottom: var(--s12); }
.footer__tagline { font-size: 13px; color: var(--fg-muted); margin-top: var(--s4); max-width: 300px; }
.footer__col-title { font-family: var(--font-mono); font-size: 11px; color: var(--fg); text-transform: uppercase; margin-bottom: var(--s6); letter-spacing: 0.05em; }
.footer__links li { margin-bottom: var(--s2); }
.footer__links a { font-size: 13px; color: var(--fg-muted); transition: 0.2s; }
.footer__links a:hover { color: var(--accent); }
.footer__bottom { padding-top: var(--s8); border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; font-size: 11px; color: var(--fg-muted); }

/* ── Mobile Menu Toggle ────────────────────────────────────── */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
  z-index: 1001;
}
.nav__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--fg);
  transition: all 0.3s ease;
  border-radius: 1px;
}
.nav__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--s8);
  margin-left: auto;
}

/* ── Reveal ─────────────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(20px); transition: 0.6s cubic-bezier(0.23, 1, 0.32, 1); }
.reveal.active { opacity: 1; transform: translateY(0); }

/* ── Buttons ────────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; padding: 12px 24px; border-radius: 6px; font-weight: 600; font-size: 14px; transition: 0.2s; cursor: pointer; border: 0; }
.btn--primary { background: var(--fg); color: #000; }
.btn--primary:hover { background: var(--accent); }
.btn--secondary { background: transparent; border: 1px solid var(--border); color: var(--fg); }
.btn--secondary:hover { background: rgba(255,255,255,0.05); border-color: var(--fg); }

@media (max-width: 900px) {
  .hero__content { grid-template-columns: 1fr; text-align: center; }
  .hero__desc { margin: 0 auto var(--s8); }
  .hero__ctas { justify-content: center; }
  .benchmarks { grid-template-columns: repeat(2, 1fr); gap: var(--s4); padding: var(--s4); }
  .bench__num { font-size: var(--fs-2xl); }
  .community-grid, .footer__inner { grid-template-columns: 1fr; }
  .stack-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { gap: var(--s8); }
  .carousel-controls { display: none; }
  .feature-card { min-width: 280px; }
  .quickstart-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  /* Mobile Navigation */
  .nav__toggle {
    display: flex;
  }
  .nav__menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: var(--s4) var(--s8);
    gap: 0;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    margin-left: 0;
  }
  .nav__menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav__links {
    flex-direction: column;
    gap: 0;
    width: 100%;
    margin-left: 0;
  }
  .nav__links a {
    padding: var(--s4) 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
  }
  .nav__links a:last-child {
    border-bottom: none;
  }
  .nav__lang {
    margin-left: 0;
    margin-top: var(--s4);
    padding-top: var(--s4);
    border-top: 1px solid var(--border);
    justify-content: center;
  }

  /* Code blocks responsive */
  .codeblock pre {
    padding: 16px;
    font-size: 11px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .terminal__body {
    padding: 16px;
    font-size: 12px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .table-container {
    margin-left: calc(var(--s8) * -1);
    margin-right: calc(var(--s8) * -1);
    border-radius: 0;
    border-left: none;
    border-right: none;
  }
}

@media (max-width: 480px) {
  .wrap {
    padding: 0 var(--s4);
  }
  .nav__menu {
    padding: var(--s4);
  }
  .codeblock pre {
    padding: 12px;
    font-size: 10px;
  }
  .terminal__body {
    padding: 12px;
    font-size: 11px;
  }
  .benchmarks {
    grid-template-columns: 1fr;
    gap: var(--s4);
  }
  .stack-grid {
    grid-template-columns: 1fr;
  }
}