:root {
  color-scheme: dark;
  --bg: #05080a;
  --bg-2: #07110d;
  --panel: rgba(8, 18, 14, 0.84);
  --panel-strong: rgba(11, 27, 20, 0.96);
  --text: #ecfff4;
  --muted: #a7c9b8;
  --green: #39ff88;
  --green-2: #16c172;
  --green-3: #0b7f4a;
  --line: rgba(57, 255, 136, 0.25);
  --line-strong: rgba(57, 255, 136, 0.48);
  --shadow: 0 0 28px rgba(22, 193, 114, 0.22);
  --radius: 22px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 9rem; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 0%, rgba(57, 255, 136, 0.18), transparent 28rem),
    radial-gradient(circle at 90% 20%, rgba(22, 193, 114, 0.13), transparent 25rem),
    linear-gradient(180deg, #05080a 0%, #06100c 55%, #030504 100%);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(57, 255, 136, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 255, 136, 0.055) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: repeating-linear-gradient(to bottom, rgba(255,255,255,0.035), rgba(255,255,255,0.035) 1px, transparent 1px, transparent 5px);
  opacity: 0.18;
}
a { color: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible, [role="tabpanel"]:focus-visible { outline: 3px solid var(--green); outline-offset: 4px; }
[hidden] { display: none !important; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
code, pre { font-family: var(--mono); }
pre { margin: 0; white-space: pre-wrap; word-break: break-word; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: absolute; left: 1rem; top: -4rem; z-index: 10; padding: .75rem 1rem; background: var(--green); color: #031006; border-radius: 999px; font-weight: 800; }
.skip-link:focus { top: 1rem; }
.site-header { position: sticky; top: 0; z-index: 5; backdrop-filter: blur(16px); background: rgba(5, 8, 10, 0.82); border-bottom: 1px solid rgba(57,255,136,.16); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; font-weight: 900; letter-spacing: .02em; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--line-strong); border-radius: 12px; color: #031006; background: linear-gradient(135deg, var(--green), var(--green-2)); font-family: var(--mono); box-shadow: var(--shadow); }
.nav-links { display: flex; align-items: center; gap: 1.2rem; color: var(--muted); font-size: .95rem; }
.nav-links a, .language-switch a, .footer-links a { text-decoration: none; }
.nav-links a, .language-switch a { display: inline-flex; align-items: center; min-height: 44px; white-space: nowrap; }
.nav-links a:hover, .language-switch a:hover, .footer-links a:hover { color: var(--green); }
.language-switch { display: inline-flex; gap: .35rem; align-items: center; font-family: var(--mono); color: var(--muted); }
.language-switch [aria-current="page"] { color: var(--green); font-weight: 900; }
.hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); gap: 2.5rem; align-items: center; min-height: 720px; padding: 6rem 0 4rem; }
.eyebrow { margin: 0 0 1rem; color: var(--green); font-family: var(--mono); font-size: .86rem; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
.pulse { display: inline-block; width: .7rem; height: .7rem; margin-right: .55rem; border-radius: 999px; background: var(--green); box-shadow: 0 0 20px var(--green); }
h1, h2, h3 { line-height: 1.05; margin: 0; }
h1 { max-width: 12ch; font-size: clamp(3.1rem, 8vw, 6.7rem); letter-spacing: -.07em; text-shadow: 0 0 36px rgba(57,255,136,.18); }
h2 { font-size: clamp(2rem, 4vw, 3.3rem); letter-spacing: -.045em; }
h3 { font-size: 1.35rem; line-height: 1.25; }
.hero-lead { max-width: 62ch; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.3rem); margin: 1.5rem 0 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin: 2rem 0; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .85rem 1.2rem; border-radius: 999px; font-weight: 900; text-decoration: none; border: 1px solid var(--line-strong); }
.button.primary { background: linear-gradient(135deg, var(--green), var(--green-2)); color: #031006; box-shadow: var(--shadow); }
.button.secondary { background: rgba(57,255,136,.08); color: var(--text); }
.button.ghost { background: transparent; color: var(--muted); border-color: rgba(57,255,136,.22); }
.kart-cta { font-size: 1.05rem; }
.hero-points { display: grid; gap: .55rem; padding: 0; margin: 0; list-style: none; color: var(--muted); }
.hero-points li::before { content: "▸"; color: var(--green); margin-right: .5rem; }
.terminal-card, .mode-card, .step-card, .prompt-card, details, .code-panel, .feature-list div, .demo-card { border: 1px solid var(--line); background: linear-gradient(180deg, rgba(8,18,14,.88), rgba(3,8,6,.88)); box-shadow: var(--shadow); }
.terminal-card { border-radius: var(--radius); overflow: hidden; transform: rotate(1deg); }
.terminal-top { display: flex; gap: .45rem; padding: .9rem 1rem; border-bottom: 1px solid var(--line); background: rgba(57,255,136,.07); }
.terminal-top span { width: .78rem; height: .78rem; border-radius: 50%; background: var(--green); opacity: .85; }
.terminal-card pre { padding: 1.2rem; color: #bfffd8; font-size: .98rem; }
.section { padding: 5rem 0; }
.section-heading { max-width: 780px; margin-bottom: 2rem; }
.section-heading p:not(.eyebrow) { color: var(--muted); font-size: 1.1rem; }
.demo-section { padding-top: 2rem; }
.demo-card { display: grid; grid-template-columns: 1.05fr .95fr; gap: 2rem; align-items: center; border-radius: calc(var(--radius) + 6px); padding: clamp(1.25rem, 4vw, 2.2rem); background: radial-gradient(circle at 12% 0%, rgba(57,255,136,.18), transparent 18rem), linear-gradient(180deg, rgba(9,26,18,.94), rgba(3,8,6,.94)); }
.demo-card p { color: var(--muted); }
.privacy-note { border-left: 3px solid var(--green); padding-left: 1rem; }
.demo-features { display: grid; gap: .8rem; }
.demo-features div { border: 1px solid var(--line); border-radius: 18px; padding: 1rem; background: rgba(57,255,136,.06); }
.demo-features strong { display: block; color: var(--green); font-family: var(--mono); margin-bottom: .3rem; }
.demo-features span { color: var(--muted); }
.reference-section { padding-top: 1rem; }
.reference-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: .9rem; }
.reference-step { display: flex; flex-direction: column; gap: .75rem; border: 1px solid var(--line); border-radius: 18px; padding: 1rem; background: linear-gradient(180deg, rgba(8,18,14,.88), rgba(3,8,6,.88)); box-shadow: var(--shadow); }
.reference-step h3 { font-size: 1rem; color: #fff; }
.reference-step p { margin: 0; color: var(--muted); font-size: .93rem; }
.reference-step pre { margin-top: auto; border: 1px solid rgba(57,255,136,.16); border-radius: 12px; padding: .8rem; background: rgba(0,0,0,.32); color: #caffdc; font-size: .78rem; overflow: auto; }
.reference-links { display: flex; flex-wrap: wrap; gap: .7rem; margin: 1rem 0 0; }
.reference-links a { border: 1px solid var(--line); border-radius: 999px; padding: .55rem .8rem; color: var(--green); background: rgba(57,255,136,.06); font-family: var(--mono); font-size: .88rem; text-decoration: none; }
.reference-links a:hover { background: var(--green); color: #031006; }
.steps-grid, .mode-grid, .faq-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 1rem; }
.step-card, .mode-card, details { border-radius: var(--radius); padding: 1.25rem; }
.step-number { display: inline-block; margin-bottom: 1.2rem; color: var(--green); font-family: var(--mono); font-weight: 900; }
.step-card p, .mode-card p, .mode-card li, details p, .tool-list { color: var(--muted); }
.mode-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
.mode-card.featured { border-color: var(--line-strong); background: linear-gradient(180deg, rgba(18,45,31,.92), rgba(5,14,10,.92)); }
.mode-tag { color: var(--green) !important; font-family: var(--mono); }
.mode-card ul { padding-left: 1.2rem; }
.callout { margin-top: 1rem; border: 1px solid var(--line-strong); border-radius: 18px; padding: 1rem 1.2rem; background: rgba(57,255,136,.08); color: #dfffea; }
.tab-list { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.tab-list button, .copy-button { cursor: pointer; border: 1px solid var(--line); background: rgba(57,255,136,.07); color: var(--text); border-radius: 999px; padding: .65rem .9rem; font-weight: 800; min-height: 44px; }
.tab-list, .copy-button { visibility: hidden; }
.js .tab-list, .js .copy-button { visibility: visible; }
.tab-list button[aria-selected="true"], .copy-button:hover { background: var(--green); color: #031006; }
.code-panel { border-radius: var(--radius); margin-bottom: 1rem; overflow: hidden; }
.code-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem; border-bottom: 1px solid var(--line); background: rgba(57,255,136,.06); }
.code-panel pre, .prompt-card pre { padding: 1rem; overflow: auto; color: #caffdc; font-size: .92rem; }
.code-panel .tool-list { margin: 1rem; overflow-wrap: anywhere; }
.js .code-panel { display: none; }
.js .code-panel.active { display: block; }
.split-section { display: grid; grid-template-columns: .85fr 1.15fr; gap: 2rem; align-items: start; }
.split-section p { color: var(--muted); }
.feature-list { display: grid; gap: .8rem; }
.feature-list div { display: grid; gap: .25rem; border-radius: 16px; padding: 1rem; }
.feature-list strong { color: var(--green); font-family: var(--mono); }
.feature-list span { color: var(--muted); }
.ai-section .prompt-card { position: relative; border-radius: var(--radius); overflow: hidden; }
.prompt-card .copy-button { margin: 1rem 1rem 0 auto; display: block; }
.faq-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
summary { cursor: pointer; font-weight: 900; color: #fff; }
.site-footer { margin-top: 3rem; padding: 2rem 0; border-top: 1px solid var(--line); background: rgba(0,0,0,.34); }
.footer-grid { display: flex; align-items: center; justify-content: space-between; gap: 1rem; color: var(--muted); }
.footer-grid strong { color: var(--text); }
.footer-links { display: flex; flex-wrap: wrap; gap: 1rem; font-family: var(--mono); }
@media (max-width: 900px) {
  .nav { flex-wrap: wrap; padding: .8rem 0; }
  .nav-links { order: 3; width: 100%; justify-content: space-between; gap: .6rem; overflow-x: auto; }
  .hero, .split-section, .demo-card { grid-template-columns: 1fr; min-height: auto; }
  .hero { padding-top: 4rem; }
  .steps-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .reference-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1120px); }
  h1 { font-size: clamp(2.65rem, 15vw, 4.2rem); }
  .steps-grid, .mode-grid, .faq-grid, .reference-grid { grid-template-columns: 1fr; }
  .terminal-card { transform: none; }
  .code-head { align-items: flex-start; flex-direction: column; }
  .footer-grid { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .001ms !important; }
}

.feature-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1.2rem; }
.feature-card { padding: 1.7rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.peer-card { padding: 2rem; }
.peer-card h2 { font-size: clamp(1.5rem,3vw,2.2rem); line-height: 1.3; }
.peer-diagram { display: flex; flex-wrap: wrap; gap: .6rem; color: var(--green); font-family: var(--mono); padding-top: 2rem; }
.faq-list details { padding: 1.2rem 0; border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; font-weight: 600; }
.prompt-card pre { white-space: pre-wrap; overflow-wrap: anywhere; }
@media(max-width: 760px) { .feature-grid { grid-template-columns: 1fr; } }
.hero h1 { max-width: 17ch; font-size: clamp(2.6rem, 4.8vw, 4.4rem); letter-spacing: -.05em; line-height: 1.08; }
.faq-list details { padding: 1.2rem; box-shadow: none; margin-bottom: .6rem; }
.peer-card { transform: none; }