/* ---------- design tokens ---------- */
:root {
  --bg:           #0C0C0C;
  --bg-raised:    #080808;
  --bg-card:      #0A0A0A;
  --bg-deeper:    #050505;
  --line:         #2F2F2F;
  --line-faint:   #1F1F1F;

  --accent:       #00FF88;
  --warn:         #FF8800;

  --ink:          #FFFFFF;
  --ink-85:       rgba(255,255,255,0.85);
  --ink-60:       rgba(255,255,255,0.60);
  --ink-50:       rgba(255,255,255,0.50);
  --ink-40:       rgba(255,255,255,0.40);
  --ink-25:       rgba(255,255,255,0.25);

  --display:      'Space Grotesk', system-ui, sans-serif;
  --mono:         'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  --pad-x:        48px;
  --max:          1440px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: transparent; border: 0; cursor: pointer; padding: 0; }
ol, ul { margin: 0; padding: 0; list-style: none; }
p { margin: 0; }
h1, h2, h3 { margin: 0; font-weight: inherit; }
code { font-family: var(--mono); font-size: 0.9em; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

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

/* ---------- shared atoms ---------- */
.dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  flex-shrink: 0;
}
.dot--white  { background: #FFFFFF; }
.dot--ink    { background: #0C0C0C; }
.dot--warn   { width: 6px; height: 6px; border-radius: 0; background: var(--warn); }

.rule {
  display: inline-block; width: 80px; height: 1px; background: var(--line);
}
.rule--accent { width: 24px; background: var(--accent); }

/* ---------- topbar ---------- */
.topbar {
  display: flex; flex-direction: row; align-items: center; justify-content: space-between;
  padding: 24px var(--pad-x);
  background: var(--bg-raised);
  border-bottom: 1px solid var(--line);
  max-width: var(--max); margin: 0 auto;
}
.brand { display: flex; flex-direction: row; align-items: center; gap: 16px; }
.brand-logo { width: 64px; height: 64px; }
.brand-tag {
  font-family: var(--mono); font-size: 14px; font-weight: 400;
  color: var(--accent); letter-spacing: 0.04em;
}
.topnav { display: flex; flex-direction: row; align-items: center; gap: 24px; }
.topnav-link {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--ink-85); letter-spacing: 0.16em; text-transform: uppercase;
}
.topnav-link:hover { color: var(--accent); }
.topnav-divider { display: inline-block; width: 1px; height: 14px; background: var(--line); }
.topnav-version {
  font-family: var(--mono); font-size: 11px; font-weight: 400;
  color: var(--ink-40); letter-spacing: 0.04em;
}

/* ---------- hero ---------- */
.hero {
  padding: 48px var(--pad-x) 80px;
  border-bottom: 1px solid var(--line);
}
.hero-status {
  display: flex; flex-direction: row; align-items: center; justify-content: space-between;
  padding: 14px 20px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  margin-bottom: 64px;
}
.hero-status-left { display: flex; flex-direction: row; align-items: center; gap: 12px; }
.hero-status-text {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--ink-85); letter-spacing: 0.12em; text-transform: uppercase;
}
.hero-status-url {
  font-family: var(--mono); font-size: 11px; font-weight: 400;
  color: var(--ink-60); letter-spacing: 0.04em;
}

.display { display: flex; flex-direction: column; }
.display-line {
  font-family: var(--display); font-size: 156px; font-weight: 700;
  line-height: 140px; letter-spacing: -0.04em;
}
.display-line--bold   { color: var(--ink); }
.display-line--ghost  { color: var(--ink-50); font-weight: 300; }
.display-line--accent { color: var(--accent); }

.hero-foot {
  display: flex; flex-direction: row; align-items: stretch; justify-content: space-between;
  gap: 32px; padding-top: 96px;
}
.hero-sub { display: flex; flex-direction: column; max-width: 540px; gap: 24px; }
.hero-sub-eyebrow { display: flex; flex-direction: row; align-items: center; gap: 12px; }
.hero-sub-eyebrow-text {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--accent); letter-spacing: 0.16em; text-transform: uppercase;
}
.hero-sub-lede {
  font-family: var(--mono); font-size: 16px; font-weight: 400;
  line-height: 28px; color: var(--ink-85);
}
.hero-sub-meta {
  font-family: var(--mono); font-size: 14px; font-weight: 400;
  line-height: 24px; color: var(--ink-50);
}

/* ---------- terminal card ---------- */
.terminal {
  display: flex; flex-direction: column;
  width: 560px; max-width: 100%;
  background: var(--bg-raised); border: 1px solid var(--line);
}
.terminal-head {
  display: flex; flex-direction: row; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line); background: var(--bg-card);
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--ink-85); letter-spacing: 0.16em; text-transform: uppercase;
}
.terminal-head-left { display: flex; flex-direction: row; align-items: center; gap: 8px; }
.terminal-head .dot { width: 10px; height: 10px; }
.terminal-copy {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--ink-40); letter-spacing: 0.16em;
}
.terminal-copy:hover { color: var(--accent); }

.terminal-body { display: flex; flex-direction: column; padding: 24px 20px; gap: 14px; }
.terminal-line { display: flex; flex-direction: row; gap: 12px; align-items: baseline; }
.terminal-prompt {
  font-family: var(--mono); font-size: 14px; font-weight: 500; color: var(--ink-40);
  flex-shrink: 0;
}
.terminal-prompt--soft { color: var(--ink-40); }
.terminal-cmd {
  font-family: var(--mono); font-size: 14px; font-weight: 500; color: var(--ink);
}
.terminal-cmd--accent { color: var(--accent); font-weight: 400; font-size: 13px; }
.terminal-cmd--soft   { color: var(--ink-60); font-weight: 400; font-size: 13px; }
.terminal-line--out .terminal-cmd { font-weight: 400; font-size: 13px; }
.cursor { display: inline-block; width: 0.55em; animation: blink 1.05s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.terminal-foot {
  display: flex; flex-direction: row; align-items: center; gap: 8px;
  padding: 12px 18px;
  border-top: 1px solid var(--line); background: var(--bg-card);
  font-family: var(--mono); font-size: 11px; font-weight: 400;
  color: var(--ink-50); letter-spacing: 0.04em;
}

/* ---------- generic band ---------- */
.band, .install-band {
  padding: 64px var(--pad-x);
  border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 48px;
}
.install-band { background: var(--bg-raised); }

.band-head { display: flex; flex-direction: row; align-items: flex-end; justify-content: space-between; gap: 32px; }
.band-head--row { align-items: flex-end; }
.band-head-left { display: flex; flex-direction: row; align-items: center; gap: 24px; }
.band-marker {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--accent); letter-spacing: 0.16em; text-transform: uppercase;
}
.band-meta {
  font-family: var(--mono); font-size: 11px; font-weight: 400;
  color: var(--ink-40); letter-spacing: 0.04em; text-transform: uppercase;
}

/* ---------- paths (for you / for your agent) ---------- */
.paths { display: flex; flex-direction: row; gap: 24px; }
.path {
  display: flex; flex-direction: column; flex: 1; padding: 32px; gap: 24px;
  border: 1px solid var(--line);
}
.path--manual { background: var(--bg-card); }
.path--auto   { background: var(--accent); border-color: var(--accent); color: #0C0C0C; }
.path-head {
  display: flex; flex-direction: row; align-items: center; justify-content: space-between;
  padding-bottom: 16px; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--ink); letter-spacing: 0.16em; text-transform: uppercase;
}
.path--auto .path-head {
  color: #0C0C0C;
  border-bottom-color: rgba(12,12,12,0.2);
}
.path-head-left { display: flex; flex-direction: row; align-items: center; gap: 10px; }
.path-meta { font-weight: 400; color: var(--ink-40); letter-spacing: 0.04em; text-transform: uppercase; }
.path-meta--ink { color: rgba(12,12,12,0.6); }
.path-lede {
  font-family: var(--display); font-size: 28px; font-weight: 500;
  line-height: 36px; letter-spacing: -0.02em; color: var(--ink);
}
.path-lede--ink { color: #0C0C0C; }
.path-steps { display: flex; flex-direction: column; gap: 0; padding-top: 8px; }
.path-steps li {
  display: flex; flex-direction: row; gap: 16px; align-items: baseline;
  padding: 10px 0;
  font-family: var(--mono); font-size: 13px; font-weight: 400;
  line-height: 22px; color: var(--ink-85);
}
.path-steps li + li { border-top: 1px solid var(--line-faint); }
.path-step-num {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--accent); letter-spacing: 0.04em; width: 28px; flex-shrink: 0;
}

.path-codeblock {
  display: flex; flex-direction: column; padding: 16px 18px; gap: 8px;
  background: var(--bg);
}
.codeline { display: flex; flex-direction: row; gap: 12px; align-items: baseline; }
.codeline-verb {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--accent); letter-spacing: 0.04em; width: 32px; flex-shrink: 0;
}
.codeline-verb--warn { color: var(--warn); }
.codeline-path {
  font-family: var(--mono); font-size: 13px; font-weight: 400; color: var(--ink-85);
}
.codeline-path--white { color: var(--ink); }

/* ---------- kit grid ---------- */
.kit-headline {
  font-family: var(--display); font-size: 72px; font-weight: 700;
  line-height: 76px; letter-spacing: -0.03em; color: var(--ink);
}
.kit-headline-soft { font-weight: 300; color: var(--ink-40); }

.cta {
  display: inline-flex; flex-direction: row; align-items: center; gap: 12px;
  padding: 14px 20px;
  font-family: var(--mono); font-size: 12px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
}
.cta--accent { background: var(--accent); color: #0C0C0C; }
.cta--accent:hover { background: #00DD77; }

.kit-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
}
.card {
  display: flex; flex-direction: column; padding: 32px; gap: 28px;
  background: var(--bg-card); min-height: 360px;
  transition: background 120ms;
}
.card:hover { background: #101010; }
.card--bundle { background: var(--accent); color: #0C0C0C; }
.card--bundle:hover { background: #00DD77; }

.card-head { display: flex; flex-direction: row; align-items: flex-start; justify-content: space-between; }
.card-meta { display: flex; flex-direction: column; gap: 8px; }
.card-id { display: flex; flex-direction: row; align-items: center; gap: 10px; }
.card-id-num {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--accent); letter-spacing: 0.16em;
}
.card--bundle .card-id-num { color: #0C0C0C; }
.card-id-name {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--ink); letter-spacing: 0.16em; text-transform: uppercase;
}
.card--bundle .card-id-name { color: #0C0C0C; }
.card-file {
  font-family: var(--mono); font-size: 12px; font-weight: 400;
  color: var(--ink-40);
}
.card--bundle .card-file { color: rgba(12,12,12,0.6); }

.card-glyph { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.card-glyph span { display: block; height: 1px; background: var(--accent); }
.card--bundle .card-glyph span { background: #0C0C0C; }

.card-body { display: flex; flex-direction: column; gap: 14px; flex: 1; }
.card-title {
  font-family: var(--display); font-size: 30px; font-weight: 600;
  line-height: 36px; letter-spacing: -0.025em; color: var(--ink);
}
.card--bundle .card-title { color: #0C0C0C; }
.card-desc {
  font-family: var(--mono); font-size: 13px; font-weight: 400;
  line-height: 22px; color: var(--ink-60);
}
.card--bundle .card-desc { color: rgba(12,12,12,0.7); }

.card-foot {
  display: flex; flex-direction: row; align-items: center; justify-content: space-between;
  padding-top: 18px; border-top: 1px solid var(--line);
}
.card--bundle .card-foot { border-top-color: rgba(12,12,12,0.2); }
.card-cta {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--accent); letter-spacing: 0.16em; text-transform: uppercase;
}
.card--bundle .card-cta { color: #0C0C0C; }
.card-path {
  font-family: var(--mono); font-size: 11px; font-weight: 400;
  color: var(--ink-40); letter-spacing: 0.02em;
}
.card--bundle .card-path { color: rgba(12,12,12,0.55); }

/* ---------- install band steps ---------- */
.install-headline {
  font-family: var(--display); font-size: 80px; font-weight: 700;
  line-height: 84px; letter-spacing: -0.03em; color: var(--ink);
}
.install-headline-soft { font-weight: 300; color: var(--ink-40); }

.install-meta {
  font-family: var(--mono); font-size: 13px; font-weight: 400;
  line-height: 22px; color: var(--ink-60); max-width: 540px;
}
.install-meta code { color: var(--accent); font-size: 12px; }

.install-steps {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
}
.step {
  display: flex; flex-direction: column; gap: 24px; padding: 32px;
  background: var(--bg-card); min-height: 280px;
}
.step-head {
  display: flex; flex-direction: row; align-items: center; justify-content: space-between;
  padding-bottom: 16px; border-bottom: 1px solid var(--line);
}
.step-head-left { display: flex; flex-direction: row; align-items: center; gap: 10px; }
.step-num {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--accent); letter-spacing: 0.16em;
}
.step-num--warn { color: var(--warn); }
.step-name {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--ink); letter-spacing: 0.16em; text-transform: uppercase;
}
.step-meta {
  font-family: var(--mono); font-size: 11px; font-weight: 400;
  color: var(--ink-25); letter-spacing: 0.04em;
}
.step-lede {
  font-family: var(--display); font-size: 22px; font-weight: 500;
  line-height: 30px; letter-spacing: -0.01em; color: var(--ink);
}
.step-code {
  display: flex; flex-direction: row; align-items: center; gap: 12px;
  padding: 14px 16px; background: var(--bg);
  border: 1px solid var(--line); margin-top: auto;
}
.step-code--exec { border-color: rgba(255,136,0,0.4); }
.step-verb {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--accent); letter-spacing: 0.04em; width: 28px; flex-shrink: 0;
}
.step-verb--warn { color: var(--warn); }
.step-path {
  font-family: var(--mono); font-size: 13px; font-weight: 400; color: var(--ink);
}

/* ---------- footer ---------- */
.footer { padding: 56px var(--pad-x) 40px; display: flex; flex-direction: column; gap: 48px; }
.footer-top {
  display: flex; flex-direction: row; align-items: flex-start; justify-content: space-between;
  gap: 80px;
}
.footer-note { display: flex; flex-direction: column; gap: 16px; max-width: 560px; }
.footer-note-label {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--accent); letter-spacing: 0.16em; text-transform: uppercase;
}
.footer-note-text {
  font-family: var(--mono); font-size: 14px; font-weight: 400;
  line-height: 24px; color: var(--ink-85);
}
.footer-note-link { color: var(--accent); }
.footer-note-link:hover { text-decoration: underline; }

.footer-bottom {
  display: flex; flex-direction: row; align-items: flex-end; justify-content: space-between;
  padding-top: 32px; border-top: 1px solid var(--line);
}
.megamark { display: flex; flex-direction: row; align-items: baseline; gap: 16px; }
.megamark-name {
  font-family: var(--display); font-size: 96px; font-weight: 700;
  line-height: 1; letter-spacing: -0.04em; color: var(--ink);
}
.megamark-tag {
  font-family: var(--mono); font-size: 32px; font-weight: 400;
  color: var(--accent);
}
.footer-legal {
  display: flex; flex-direction: column; align-items: flex-end; gap: 8px;
  font-family: var(--mono); font-size: 11px; font-weight: 400;
  color: var(--ink-40); letter-spacing: 0.04em;
}

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  :root { --pad-x: 32px; }
  .display-line { font-size: 96px; line-height: 92px; }
  .kit-headline { font-size: 48px; line-height: 52px; }
  .install-headline { font-size: 56px; line-height: 60px; }
  .megamark-name { font-size: 64px; }
}

@media (max-width: 820px) {
  :root { --pad-x: 24px; }
  .topbar { flex-wrap: wrap; gap: 16px; padding: 20px var(--pad-x); }
  .brand-logo { width: 48px; height: 48px; }

  .hero { padding: 32px var(--pad-x) 56px; }
  .hero-status { flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 40px; }
  .display-line { font-size: 64px; line-height: 60px; }
  .hero-foot { flex-direction: column; padding-top: 56px; gap: 32px; }
  .terminal { width: 100%; }

  .band, .install-band { padding: 48px var(--pad-x); gap: 32px; }
  .band-head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .band-head-left { flex-wrap: wrap; gap: 12px; }
  .paths { flex-direction: column; }

  .kit-headline { font-size: 36px; line-height: 40px; }
  .kit-grid { grid-template-columns: 1fr; }
  .card { min-height: 0; }

  .install-headline { font-size: 40px; line-height: 44px; }
  .install-steps { grid-template-columns: 1fr; }
  .step { min-height: 0; }

  .footer { padding: 48px var(--pad-x) 32px; }
  .footer-top { flex-direction: column; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 24px; }
  .megamark-name { font-size: 48px; }
  .footer-legal { align-items: flex-start; }
}