/* Nexus-MCP site. Tokens first; light is the default, dark follows the OS. */
:root {
  --paper: #f5f1ea;
  --paper-2: #ece6db;
  --card: #fbf9f5;
  --ink: #16181d;
  --ink-2: #454a55;
  --ink-3: #6e7380;
  --line: #d9d2c5;
  --accent: #e0492a;
  --accent-ink: #ffffff;
  --accent-soft: #f7ddd4;
  --term: #121418;
  --term-line: #262a31;
  --t-fg: #d8dbe2;
  --t-dim: #7d8594;
  --t-key: #ff8a65;
  --t-str: #9fd4a8;
  --t-out: #aab3c2;
  --radius: 14px;
  --shadow: 0 1px 0 rgba(22, 24, 29, .04), 0 12px 32px -12px rgba(22, 24, 29, .18);
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #111317;
    --paper-2: #171a1f;
    --card: #1a1d23;
    --ink: #eeeae3;
    --ink-2: #b8b4ad;
    --ink-3: #8d8a85;
    --line: #2b2f36;
    --accent: #ff6a45;
    --accent-ink: #16181d;
    --accent-soft: #3a211b;
    --term: #0b0c0f;
    --term-line: #22252b;
    --shadow: 0 1px 0 rgba(0, 0, 0, .3), 0 16px 40px -16px rgba(0, 0, 0, .6);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #111317; --paper-2: #171a1f; --card: #1a1d23; --ink: #eeeae3; --ink-2: #b8b4ad;
  --ink-3: #8d8a85; --line: #2b2f36; --accent: #ff6a45; --accent-ink: #16181d; --accent-soft: #3a211b;
  --term: #0b0c0f; --term-line: #22252b; color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration-color: var(--accent); text-underline-offset: 3px; }
code { font-family: var(--mono); font-size: .88em; }
p code, li code, td code, summary code { background: var(--paper-2); padding: .08em .35em; border-radius: 5px; }
.cmd code, .block code { background: none; padding: 0; border-radius: 0; }
h1, h2, h3 { margin: 0; line-height: 1.1; }
h2 { font: 400 clamp(2rem, 4.4vw, 3.2rem)/1.05 var(--serif); letter-spacing: -.01em; max-width: 20ch; }
h3 { font-size: 1.12rem; font-weight: 600; letter-spacing: -.005em; }
.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
.sr, .skip:not(:focus) { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip:focus { position: fixed; top: 8px; left: 8px; z-index: 99; background: var(--ink); color: var(--paper); padding: 8px 12px; border-radius: 8px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--paper) 86%, transparent); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; text-decoration: none; letter-spacing: -.01em; }
.nav-links { display: flex; gap: 22px; margin-left: auto; font-size: .95rem; }
.nav-links a { text-decoration: none; color: var(--ink-2); }
.nav-links a:hover { color: var(--ink); }
.stars { font-family: var(--mono); font-size: .8rem; padding-left: 8px; border-left: 1px solid var(--line); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; border-radius: 999px; font-weight: 500; font-size: .95rem; text-decoration: none; border: 1px solid transparent; transition: transform .15s ease, background .15s ease; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-ghost { border-color: var(--line); background: var(--card); }
.gh { padding: 8px 14px; }

/* Hero */
.hero { padding: 72px 0 88px; position: relative; }
.hero::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(var(--line) 1px, transparent 1px); background-size: 22px 22px; mask-image: linear-gradient(180deg, #000 0%, transparent 85%); opacity: .7; pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.02fr 1fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 22px; font: 500 .8rem var(--mono); color: var(--ink-2); border: 1px solid var(--line); background: var(--card); padding: 6px 12px; border-radius: 999px; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
h1 { font: 400 clamp(2.8rem, 6.4vw, 5rem)/.98 var(--serif); letter-spacing: -.02em; }
h1 em { color: var(--accent); }
.lede { font-size: 1.14rem; color: var(--ink-2); max-width: 36em; margin: 24px 0 30px; }
.lede.small { font-size: 1.04rem; margin-bottom: 0; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.cta-row.center { justify-content: center; }
.cmd { display: inline-flex; align-items: center; gap: 12px; background: var(--term); color: var(--t-fg); border-radius: 999px; padding: 6px 6px 6px 18px; font-family: var(--mono); font-size: .92rem; max-width: 100%; }
.cmd code { font-size: inherit; overflow-x: auto; white-space: nowrap; }
.cmd .prompt { color: var(--t-key); }
.cmd.wide { border-radius: 12px; padding: 10px 10px 10px 18px; width: 100%; }
.cmd.wide code { flex: 1; }
.copy { font: 500 .78rem var(--sans); background: #2a2e36; color: #e7e9ee; border: 0; border-radius: 999px; padding: 7px 12px; cursor: pointer; flex-shrink: 0; }
.copy:hover { background: #363b45; }
.copy.done { background: var(--accent); color: #fff; }
.proof { display: flex; flex-wrap: wrap; gap: 10px 28px; list-style: none; padding: 0; margin: 34px 0 0; color: var(--ink-3); font-size: .92rem; }
.proof strong { color: var(--ink); font-family: var(--mono); font-weight: 500; margin-right: 4px; }

/* Terminal */
.term { margin: 0; background: var(--term); border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--term-line); overflow: hidden; transform: rotate(.6deg); }
.term-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--term-line); }
.term-bar span { width: 11px; height: 11px; border-radius: 50%; background: #3a3f48; }
.term-bar span:first-child { background: var(--t-key); }
.term-bar p { margin: 0 0 0 10px; font: .76rem var(--mono); color: var(--t-dim); }
.term-body { margin: 0; padding: 20px 22px 22px; overflow-x: auto; font: 400 .8rem/1.7 var(--mono); color: var(--t-fg); }
.term figcaption { padding: 0 22px 16px; font-size: .74rem; color: var(--t-dim); }
.c { color: var(--t-dim); font-style: italic; }
.k { color: var(--t-key); }
.s { color: var(--t-str); }
.o { color: var(--t-out); }
.cursor { display: inline-block; width: 8px; height: 1.05em; vertical-align: -2px; margin-left: 4px; background: var(--t-key); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* Sections */
.section { padding: 104px 0; border-top: 1px solid var(--line); scroll-margin-top: 64px; }
.kicker { margin: 0 0 14px; font: 500 .78rem var(--mono); text-transform: uppercase; letter-spacing: .12em; color: var(--accent); }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.pain { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.pain .num { font: 400 2.4rem/1 var(--serif); color: var(--accent); display: block; margin-bottom: 18px; }
.pain p { color: var(--ink-2); margin: 10px 0 0; }

/* Features */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; margin-top: 72px; }
.feature.flip .feature-copy { order: 2; }
.tag { display: inline-block; font: 500 .78rem var(--mono); color: var(--ink-2); background: var(--paper-2); border-radius: 999px; padding: 5px 12px; margin-bottom: 16px; }
.tag code { background: none; padding: 0; color: var(--accent); }
.feature h3 { font: 400 clamp(1.6rem, 2.8vw, 2.1rem)/1.1 var(--serif); letter-spacing: -.01em; }
.feature-copy > p { color: var(--ink-2); margin: 14px 0 18px; }
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.ticks li { position: relative; padding-left: 26px; font-size: .97rem; }
.ticks li::before { content: ""; position: absolute; left: 2px; top: .5em; width: 12px; height: 7px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }
.feature-demo { background: var(--term); border-radius: var(--radius); border: 1px solid var(--term-line); box-shadow: var(--shadow); min-width: 0; }
.feature-demo pre { margin: 0; padding: 24px; overflow-x: auto; font: 400 .82rem/1.7 var(--mono); color: var(--t-fg); }

/* Complement */
.complement { background: var(--paper-2); }
.complement-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: .97rem; }
.split th { text-align: left; font: 500 .75rem var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); padding: 14px 20px; border-bottom: 1px solid var(--line); }
.split td { padding: 14px 20px; border-bottom: 1px solid var(--line); }
.split tr:last-child td { border-bottom: 0; }
.split td:last-child { text-align: right; white-space: nowrap; }
.pill { font: 500 .8rem var(--mono); background: var(--accent-soft); color: var(--accent); padding: 4px 10px; border-radius: 999px; }
.pill.muted { background: var(--paper-2); color: var(--ink-2); }

/* What is it */
.what { background: var(--paper-2); }
.what-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 56px; align-items: start; }
.what-copy > p { margin: 0 0 24px; font-size: 1.12rem; color: var(--ink-2); }
.what-copy strong { color: var(--ink); font-weight: 600; }
.facts { margin: 0; display: grid; border-top: 1px solid var(--line); }
.facts div { display: grid; grid-template-columns: 8.5em 1fr; gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: .96rem; }
.facts div[hidden] { display: none; }
.facts dt { font: 500 .78rem var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); padding-top: .25em; }
.facts dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }

/* Tools */
.tool-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; margin-top: 48px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.tool { position: relative; background: var(--card); padding: 22px 20px 24px; }
.tool code { font-size: .95rem; font-weight: 500; color: var(--ink); }
.tool p { margin: 8px 0 0; font-size: .88rem; color: var(--ink-2); line-height: 1.5; }
.badge { position: absolute; top: 18px; right: 14px; font: 500 .66rem var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); border: 1px solid var(--line); border-radius: 999px; padding: 2px 7px; }

/* Private */
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.fact h3 { padding-top: 16px; border-top: 2px solid var(--ink); }
.fact p { color: var(--ink-2); font-size: .95rem; margin: 10px 0 0; }

/* Install */
.steps { list-style: none; counter-reset: s; padding: 0; margin: 48px 0 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 36px; max-width: 780px; }
.steps > li { counter-increment: s; position: relative; padding-left: 64px; min-width: 0; }
.steps > li::before { content: counter(s); position: absolute; left: 0; top: -6px; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line); background: var(--card); font: 400 1.3rem var(--serif); color: var(--accent); }
.steps h3 { margin-bottom: 14px; }
.steps p { color: var(--ink-2); margin: 0; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.tabs button { font: 500 .85rem var(--sans); color: var(--ink-2); background: transparent; border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px; cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.block { position: relative; margin: 0; background: var(--term); color: var(--t-fg); border-radius: 12px; padding: 18px 20px; overflow-x: auto; font: .85rem/1.65 var(--mono); }
.block .copy { position: absolute; top: 10px; right: 10px; }
.note { font-size: .9rem; margin-top: 10px !important; }

/* FAQ */
.faq-wrap { display: grid; grid-template-columns: 1fr 1.6fr; gap: 56px; }
.faq-list details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { cursor: pointer; list-style: none; padding: 18px 36px 18px 0; font-weight: 500; font-size: 1.06rem; position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; top: 12px; font: 400 1.6rem var(--serif); color: var(--accent); transition: transform .2s ease; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { margin: 0 0 20px; color: var(--ink-2); }

/* Final CTA */
.final { background: var(--ink); color: var(--paper); border-top: 0; text-align: center; }
.final h2 { margin: 0 auto; max-width: none; font-size: clamp(2.4rem, 6vw, 4.4rem); }
.final p { color: color-mix(in srgb, var(--paper) 70%, transparent); max-width: 34em; margin: 18px auto 32px; }
.final .btn-ghost { background: transparent; color: var(--paper); border-color: color-mix(in srgb, var(--paper) 25%, transparent); }

.footer { padding: 28px 0; font-size: .88rem; color: var(--ink-3); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
.footer p { margin: 0; }

/* Reveal on scroll (JS adds .in) */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 1000px) {
  .tool-grid { grid-template-columns: repeat(2, 1fr); }
  .grid4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 880px) {
  .hero-grid, .feature, .complement-grid, .faq-wrap, .what-grid { grid-template-columns: 1fr; gap: 36px; }
  .feature.flip .feature-copy { order: 0; }
  .grid3 { grid-template-columns: 1fr; }
  .term { transform: none; }
  .nav-links { display: none; }
  .gh { margin-left: auto; }
  .section { padding: 76px 0; }
  .hero { padding: 48px 0 64px; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .tool-grid, .grid4 { grid-template-columns: 1fr; }
  .steps > li { padding-left: 0; padding-top: 52px; }
  .cta-row .cmd { width: 100%; }
  .cta-row .btn { width: 100%; justify-content: center; }
  .split td, .split th { padding: 12px 14px; }
}