:root {
  /* ground + paper */
  --ink: #0a0e14;
  --ink-2: #111722;
  --ink-3: #18202c;
  --line: #232d3b;
  --line-soft: #1a2230;

  /* text */
  --fg: #e8ecf1;
  --fg-dim: #93a1b3;
  --fg-faint: #5f6d80;

  /* signal palette */
  --signal: #34d399;      /* emerald — live / action, used sparingly */
  --signal-dim: rgba(52,211,153,.12);
  --amber: #f0b429;       /* urgency — "why now" */
  --amber-dim: rgba(240,180,41,.12);

  --accent: var(--signal);

  --sans: "Inter var", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Menlo", "Consolas", monospace;

  --maxw: 1080px;
  --gutter: 24px;
  --radius: 10px;
}

/* ---------- light theme tokens ---------- */
:root[data-theme="light"] {
  --ink: #f5f3ee;
  --ink-2: #ffffff;
  --ink-3: #faf9f6;
  --line: #e2ddd2;
  --line-soft: #ece8de;
  --fg: #16202b;
  --fg-dim: #4b5967;
  --fg-faint: #8794a3;
  --signal: #0d9f6e;
  --signal-dim: rgba(13,159,110,.10);
  --amber: #b5790a;
  --amber-dim: rgba(181,121,10,.10);
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --ink: #f5f3ee;
    --ink-2: #ffffff;
    --ink-3: #faf9f6;
    --line: #e2ddd2;
    --line-soft: #ece8de;
    --fg: #16202b;
    --fg-dim: #4b5967;
    --fg-faint: #8794a3;
    --signal: #0d9f6e;
    --signal-dim: rgba(13,159,110,.10);
    --amber: #b5790a;
    --amber-dim: rgba(181,121,10,.10);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; } }

body {
  margin: 0;
  background: var(--ink);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- utility type ---------- */
.mono { font-family: var(--mono); }
.label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--fg-faint);
}
.label .dot { color: var(--signal); }

a { color: var(--signal); text-decoration: none; }
h1, h2, h3 { text-wrap: balance; letter-spacing: -.022em; margin: 0; }

/* ---------- top status bar ---------- */
.topbar {
  border-bottom: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--ink) 80%, transparent);
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: saturate(1.4) blur(10px);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { font-family: var(--mono); font-size: 13px; letter-spacing: .04em; color: var(--fg); display: flex; align-items: center; gap: 9px; }
.brand b { font-weight: 700; }
.brand a { color: inherit; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 0 var(--signal); animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--signal) 60%, transparent); } 70% { box-shadow: 0 0 0 7px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
.topbar .cta-mini { font-family: var(--mono); font-size: 12.5px; letter-spacing: .04em; color: var(--fg-dim); border: 1px solid var(--line); padding: 7px 14px; border-radius: 8px; transition: border-color .15s, color .15s; }
.topbar .cta-mini:hover { color: var(--fg); border-color: var(--signal); }
.topbar .nav { display: flex; align-items: center; gap: 22px; }
.topbar .nav a.navlink { font-family: var(--mono); font-size: 12.5px; letter-spacing: .04em; color: var(--fg-dim); transition: color .15s; }
.topbar .nav a.navlink:hover { color: var(--fg); }

/* ---------- hero ---------- */
.hero { padding: 84px 0 68px; position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(34px, 5vw, 58px); line-height: 1.04; font-weight: 800; margin: 20px 0 0; }
.hero h1 .em { color: var(--signal); }
.hero .sub { font-size: clamp(16px, 1.6vw, 19px); color: var(--fg-dim); margin: 24px 0 0; max-width: 46ch; }
.hero .cred { margin: 22px 0 0; padding-left: 15px; border-left: 2px solid var(--signal); color: var(--fg-dim); font-size: 15px; max-width: 44ch; }
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 34px 0 0; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 14px; letter-spacing: .02em; font-weight: 500;
  padding: 14px 22px; border-radius: var(--radius); cursor: pointer; border: 1px solid transparent;
  transition: transform .12s ease, background .15s, border-color .15s, color .15s;
  text-align: center; justify-content: center;
}
.btn-primary { background: var(--signal); color: #04160f; font-weight: 600; }
.btn-primary:hover { transform: translateY(-1px); background: color-mix(in srgb, var(--signal) 88%, white); }
.btn-ghost { background: transparent; color: var(--fg); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--signal); color: var(--signal); }

/* terminal card in hero */
.terminal {
  background: var(--ink-2); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 24px 60px -30px rgba(0,0,0,.6);
  overflow: hidden; font-family: var(--mono); font-size: 13.5px; line-height: 1.9;
}
.terminal .bar { display: flex; align-items: center; gap: 7px; padding: 11px 14px; border-bottom: 1px solid var(--line-soft); }
.terminal .bar i { width: 11px; height: 11px; border-radius: 50%; display: block; background: var(--line); }
.terminal .bar i:nth-child(1){ background:#ff5f57; } .terminal .bar i:nth-child(2){ background:#febc2e; } .terminal .bar i:nth-child(3){ background:#28c840; }
.terminal .bar span { margin-left: 8px; color: var(--fg-faint); font-size: 12px; }
.terminal .body { padding: 18px 18px 22px; }
.terminal .ln { white-space: pre-wrap; color: var(--fg-dim); }
.terminal .ln .p { color: var(--signal); } /* prompt */
.terminal .ln .k { color: var(--fg); }     /* key */
.terminal .ln .v { color: var(--amber); }  /* value */
.terminal .cursor { display:inline-block; width:8px; height:16px; background: var(--signal); vertical-align:-2px; animation: blink 1.1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- generic section ---------- */
section { padding: 66px 0; border-top: 1px solid var(--line-soft); }
.sec-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 34px; }
.sec-head h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 750; }
.lead { color: var(--fg-dim); max-width: 62ch; font-size: 18px; }
.lead .strong { color: var(--fg); font-weight: 600; }

/* what-is: two column definition */
.def { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.def .col h3 { font-size: 15px; font-family: var(--mono); letter-spacing: .04em; margin-bottom: 12px; }
.def .is h3 { color: var(--signal); }
.def .isnt h3 { color: var(--fg-faint); }
.def ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.def li { color: var(--fg-dim); padding-left: 24px; position: relative; }
.def .is li::before { content: "+"; position: absolute; left: 0; color: var(--signal); font-family: var(--mono); font-weight: 700; }
.def .isnt li::before { content: "−"; position: absolute; left: 0; color: var(--fg-faint); font-family: var(--mono); font-weight: 700; }

/* role: comp callout + day-in-the-life */
.role-top { display: grid; grid-template-columns: 1.5fr 1fr; gap: 32px; align-items: stretch; margin-top: 8px; }
.compcard { background: linear-gradient(160deg, var(--signal-dim), transparent 70%), var(--ink-2); border: 1px solid color-mix(in srgb, var(--signal) 40%, transparent); border-radius: 14px; padding: 26px 24px; display: flex; flex-direction: column; justify-content: center; }
.compcard .k { font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-faint); }
.compcard .amt { font-family: var(--mono); font-size: clamp(30px, 4.4vw, 44px); font-weight: 700; color: var(--signal); letter-spacing: -.02em; line-height: 1.1; margin: 8px 0 6px; }
.compcard .amt .unit { font-size: .5em; color: var(--fg-dim); font-weight: 500; }
.compcard .fine { color: var(--fg-dim); font-size: 14px; }

/* one framed panel holding the day + the is/isn't, so they read as a unit */
.role-panel { margin-top: 26px; background: var(--ink-2); border: 1px solid var(--line); border-radius: 16px; padding: clamp(24px, 3.4vw, 38px); }
.dayblock .dl-head, .def-head { font-family: var(--mono); font-size: 13px; letter-spacing: .04em; color: var(--fg-faint); margin-bottom: 22px; }

/* timeline: a single continuous rail behind evenly-spaced dots */
.timeline { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.timeline::before { content: ""; position: absolute; top: 5px; height: 2px; background: var(--line); z-index: 0;
  /* start at the first dot's center, end at the last dot's center: each column is 1/4 wide, dot center = col-center */
  left: calc(100% / 8); right: calc(100% / 8); }
.tl-step { position: relative; padding-right: 20px; z-index: 1; }
.tl-step .tl-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 4px var(--ink-2); position: relative; z-index: 2; }
.tl-step .tl-when { font-family: var(--mono); font-size: 12px; color: var(--signal); margin: 16px 0 6px; letter-spacing: .04em; }
.tl-step .tl-what { font-weight: 650; font-size: 15px; margin-bottom: 4px; }
.tl-step .tl-detail { color: var(--fg-dim); font-size: 14px; line-height: 1.5; padding-right: 8px; }

.role-panel .def { margin-top: 34px; padding-top: 30px; border-top: 1px solid var(--line-soft); position: relative; }
/* vertical divider between the is / isn't columns */
.role-panel .def::after { content: ""; position: absolute; top: 30px; bottom: 0; left: 50%; width: 1px; background: var(--line-soft); }

@media (max-width: 720px) {
  .role-top { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; gap: 22px; }
  .timeline::before { display: none; }
  .tl-step { padding: 0 0 0 24px; }
  .tl-step .tl-dot { position: absolute; left: 0; top: 4px; }
  .role-panel .def { grid-template-columns: 1fr; gap: 28px; }
  .role-panel .def::after { display: none; }
}

/* why-now: stat + list */
.why { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: center; }
.statcard { background: var(--amber-dim); border: 1px solid color-mix(in srgb, var(--amber) 35%, transparent); border-radius: 12px; padding: 30px; }
.statcard .big { font-family: var(--mono); font-size: clamp(52px, 8vw, 82px); line-height: 1; font-weight: 700; color: var(--amber); letter-spacing: -.03em; }
.statcard .cap { color: var(--fg-dim); margin-top: 12px; font-size: 15px; }
.why ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 18px; }
.why li { padding-left: 30px; position: relative; color: var(--fg-dim); }
.why li::before { content: "→"; position: absolute; left: 0; top: 0; color: var(--signal); font-family: var(--mono); }
.why li b { color: var(--fg); font-weight: 650; }

/* ---------- hiring marquee ---------- */
.marquee-head { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-faint); margin: 46px 0 20px; text-align: center; }
.marquee { position: relative; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; width: max-content; gap: 14px; animation: marquee 34s linear infinite; will-change: transform; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; flex-wrap: wrap; width: auto; justify-content: center; }
  .marquee { -webkit-mask-image: none; mask-image: none; }
}
.chip {
  display: inline-flex; align-items: center; gap: 11px; white-space: nowrap;
  font-family: var(--sans); font-size: 15px; font-weight: 600; color: var(--fg);
  border: 1px solid var(--line); background: var(--ink-2); border-radius: 12px; padding: 10px 18px 10px 12px;
  transition: border-color .15s;
}
.chip:hover { border-color: color-mix(in srgb, var(--signal) 50%, var(--line)); }
.chip .glyph {
  width: 30px; height: 30px; flex: none; border-radius: 8px;
  background: var(--ink-3); border: 1px solid var(--line-soft);
  display: grid; place-items: center; color: var(--fg);
}
.chip .glyph svg { width: 18px; height: 18px; display: block; }
.chip .glyph svg [stroke] { stroke: currentColor; }
.chip .glyph svg [fill]:not([fill="none"]) { fill: currentColor; }

/* ---------- offers ladder ---------- */
.offers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
.offer { background: var(--ink-2); border: 1px solid var(--line); border-radius: 14px; padding: 26px 24px; display: flex; flex-direction: column; position: relative; }
.offer.feat { border-color: var(--signal); background: linear-gradient(180deg, var(--signal-dim), transparent 60%), var(--ink-2); }
.offer .rank { font-family: var(--mono); font-size: 12px; color: var(--fg-faint); letter-spacing: .1em; }
.offer .feat-tag { position: absolute; top: -10px; left: 24px; background: var(--signal); color:#04160f; font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: .1em; padding: 3px 10px; border-radius: 6px; }
.offer h3 { font-size: 20px; font-weight: 700; margin: 14px 0 8px; }
.offer .price { font-family: var(--mono); font-size: 15px; color: var(--fg); margin-bottom: 14px; }
.offer .price s { color: var(--fg-faint); text-decoration: none; }
.offer .price .free { color: var(--signal); }
.offer p.desc { color: var(--fg-dim); font-size: 15px; flex: 1 0 auto; margin: 0 0 20px; }
.offer .btn { width: 100%; }
.offer.soon { border-style: dashed; }
.soon-badge { display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--amber); background: var(--amber-dim); border: 1px solid color-mix(in srgb, var(--amber) 35%, transparent); border-radius: 999px; padding: 8px 14px; align-self: flex-start; margin-top: 4px; }
.soon-badge .d { width: 6px; height: 6px; border-radius: 50%; background: var(--amber); }

/* course detail strip */
.course-detail { margin-top: 22px; background: var(--ink-2); border: 1px solid var(--line); border-radius: 14px; padding: 26px clamp(22px, 3vw, 32px); }
.course-detail .cd-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 22px; }
.course-detail .cd-head .k { font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--signal); }
.course-detail .cd-head .t { font-size: 20px; font-weight: 750; letter-spacing: -.01em; }
.cd-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 34px; }
.cd-item { display: flex; gap: 13px; align-items: flex-start; }
.cd-item .ic { width: 32px; height: 32px; flex: none; border-radius: 8px; background: var(--signal-dim); color: var(--signal); display: grid; place-items: center; }
.cd-item .ic svg { width: 18px; height: 18px; }
.cd-item .ic svg [stroke] { stroke: currentColor; } .cd-item .ic svg [fill]:not([fill="none"]) { fill: currentColor; }
.cd-item h4 { font-size: 15.5px; font-weight: 650; margin: 2px 0 3px; }
.cd-item p { font-size: 14px; color: var(--fg-dim); margin: 0; line-height: 1.5; }
.cd-foot { margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--line); font-family: var(--mono); font-size: 13px; color: var(--fg-faint); }
.cd-foot b { color: var(--signal); font-weight: 600; }
@media (max-width: 720px) { .cd-grid { grid-template-columns: 1fr; } }

.form-row { display: flex; flex-direction: column; gap: 10px; }
.form-row input, .form-row select { font-family: var(--mono); font-size: 14px; padding: 13px 14px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--ink-3); color: var(--fg); width: 100%; }
.form-row input::placeholder { color: var(--fg-faint); }
.form-row select { appearance: none; -webkit-appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--fg-faint) 50%), linear-gradient(135deg, var(--fg-faint) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; cursor: pointer; }
.form-row select:has(option[value=""]:checked) { color: var(--fg-faint); }
.form-row input:focus, .form-row select:focus { outline: 2px solid var(--signal); outline-offset: 1px; border-color: transparent; }
.note { font-size: 12.5px; color: var(--fg-faint); margin-top: 10px; font-family: var(--mono); }
.success { display: none; background: var(--signal-dim); border: 1px solid color-mix(in srgb, var(--signal) 40%, transparent); color: var(--signal); padding: 13px 14px; border-radius: var(--radius); font-size: 14px; font-family: var(--mono); }

/* ---------- guide reveal (shown after email submit) ---------- */
.guide-reveal { display: none; }
.guide-reveal.show { display: block; animation: reveal .5s ease both; }
@keyframes reveal { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.guide-doc {
  background: var(--ink-2); border: 1px solid var(--signal);
  border-radius: 14px; padding: clamp(24px, 4vw, 44px);
  box-shadow: 0 24px 70px -34px rgba(0,0,0,.6);
  max-width: 760px; margin: 0 auto;
}
.guide-doc .unlocked { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--signal); display: flex; align-items: center; gap: 8px; margin-bottom: 18px; }
.guide-doc .unlocked::before { content: "✓"; }
.guide-doc h3.gtitle { font-size: clamp(24px, 3.4vw, 34px); font-weight: 800; line-height: 1.1; margin: 0 0 8px; }
.guide-doc .gsub { color: var(--fg-dim); font-family: var(--mono); font-size: 13px; margin: 0 0 28px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.guide-doc h4 { font-size: 19px; font-weight: 700; margin: 30px 0 10px; letter-spacing: -.01em; }
.guide-doc h4 .n { font-family: var(--mono); font-size: 13px; color: var(--signal); margin-right: 10px; }
.guide-doc p { color: var(--fg-dim); margin: 0 0 14px; }
.guide-doc p .strong { color: var(--fg); font-weight: 600; }
.guide-doc ul.g { list-style: none; padding: 0; margin: 0 0 16px; display: flex; flex-direction: column; gap: 10px; }
.guide-doc ul.g li { color: var(--fg-dim); padding-left: 24px; position: relative; }
.guide-doc ul.g li::before { content: "→"; position: absolute; left: 0; color: var(--signal); font-family: var(--mono); }
.guide-doc ol.g { padding-left: 0; margin: 0 0 16px; list-style: none; counter-reset: g; display: flex; flex-direction: column; gap: 14px; }
.guide-doc ol.g li { color: var(--fg-dim); padding-left: 40px; position: relative; counter-increment: g; }
.guide-doc ol.g li::before { content: counter(g, decimal-leading-zero); position: absolute; left: 0; top: 0; font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--signal); background: var(--signal-dim); border-radius: 6px; width: 28px; height: 24px; display: grid; place-items: center; }
.guide-doc ol.g li b { color: var(--fg); font-weight: 650; }
.guide-doc .callout { background: var(--ink-3); border-left: 3px solid var(--signal); border-radius: 8px; padding: 16px 18px; margin: 22px 0; color: var(--fg-dim); font-size: 15px; }
.guide-doc .next { margin-top: 34px; padding-top: 26px; border-top: 1px solid var(--line); }
.guide-doc .next p { color: var(--fg); font-weight: 600; margin-bottom: 14px; }
.guide-doc .next .btn { margin-right: 10px; margin-bottom: 10px; }

/* who-for: two-sided fit check */
.fit { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.fit-card { border-radius: 14px; padding: 28px 26px; border: 1px solid var(--line); background: var(--ink-2); }
.fit-card.yes { border-color: color-mix(in srgb, var(--signal) 45%, transparent); background: linear-gradient(165deg, var(--signal-dim), transparent 62%), var(--ink-2); }
.fit-card .fit-head { display: flex; align-items: center; gap: 11px; margin-bottom: 20px; }
.fit-card .fit-ic { width: 32px; height: 32px; flex: none; border-radius: 8px; display: grid; place-items: center; }
.fit-card.yes .fit-ic { background: var(--signal); color: #04160f; }
.fit-card.no .fit-ic { background: var(--ink-3); color: var(--fg-faint); border: 1px solid var(--line); }
.fit-card .fit-ic svg { width: 18px; height: 18px; }
.fit-card .fit-ic svg [stroke] { stroke: currentColor; }
.fit-card .fit-title { font-family: var(--mono); font-size: 13px; letter-spacing: .06em; }
.fit-card.yes .fit-title { color: var(--signal); }
.fit-card.no .fit-title { color: var(--fg-faint); }
.fit-card ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 15px; }
.fit-card li { position: relative; padding-left: 28px; color: var(--fg-dim); line-height: 1.5; }
.fit-card li b { color: var(--fg); font-weight: 650; }
.fit-card.yes li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--signal); font-weight: 700; }
.fit-card.no li { color: var(--fg-faint); }
.fit-card.no li::before { content: "✕"; position: absolute; left: 0; top: 0; color: var(--fg-faint); font-family: var(--mono); }
@media (max-width: 720px) { .fit { grid-template-columns: 1fr; } }

/* closing CTA band */
.closer { border-top: 1px solid var(--line-soft); padding: 84px 0; text-align: center; position: relative; overflow: hidden; }
.closer::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 120% at 50% 0%, var(--signal-dim), transparent 70%); pointer-events: none; }
.closer .inner { position: relative; z-index: 1; }
.closer .label { justify-content: center; }
.closer h2 { font-size: clamp(26px, 4vw, 40px); font-weight: 800; margin: 16px auto 14px; max-width: 18ch; }
.closer p { color: var(--fg-dim); max-width: 48ch; margin: 0 auto 30px; font-size: 17px; }
.closer .actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* footer */
footer { border-top: 1px solid var(--line-soft); padding: 52px 0 60px; }
.foot-grid { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; flex-wrap: wrap; }
.foot-brand { max-width: 30ch; }
.foot-brand .brand { margin-bottom: 12px; }
.foot-brand .tag { color: var(--fg-faint); font-size: 14px; line-height: 1.55; }
.foot-cols { display: flex; gap: 56px; flex-wrap: wrap; }
.foot-col h4 { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--fg-faint); margin: 0 0 14px; font-weight: 500; }
.foot-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.foot-col a { color: var(--fg-dim); font-size: 14.5px; transition: color .15s; }
.foot-col a:hover { color: var(--signal); }

/* social icon row */
.socials { display: flex; gap: 10px; margin-top: 18px; }
.socials a { width: 36px; height: 36px; border-radius: 9px; border: 1px solid var(--line); background: var(--ink-2); display: grid; place-items: center; color: var(--fg-dim); transition: color .15s, border-color .15s, transform .12s; }
.socials a:hover { color: var(--signal); border-color: var(--signal); transform: translateY(-2px); }
.socials svg { width: 18px; height: 18px; }
.socials svg [fill]:not([fill="none"]) { fill: currentColor; }
.socials svg [stroke] { stroke: currentColor; }

.foot-bar { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line-soft); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.foot-bar .mono { color: var(--fg-faint); font-size: 12.5px; }
@media (max-width: 640px) { .foot-cols { gap: 40px; } }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .def, .why, .offers { grid-template-columns: 1fr; }
  .why { gap: 28px; }
  .terminal { order: 2; }
}

/* ======================================================
   BLOG
   ====================================================== */

/* blog index: header + post list */
.blog-hero { padding: 70px 0 40px; }
.blog-hero h1 { font-size: clamp(30px, 4.6vw, 48px); font-weight: 800; margin: 18px 0 14px; }
.blog-hero p { color: var(--fg-dim); font-size: 18px; max-width: 56ch; }

/* post grid: one featured card on top, two-up below */
.postgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.pcard {
  position: relative; display: flex; flex-direction: column;
  background: var(--ink-2); border: 1px solid var(--line); border-radius: 16px;
  padding: 28px 26px 24px; overflow: hidden; transition: border-color .18s, transform .18s, box-shadow .18s;
}
.pcard:hover { border-color: color-mix(in srgb, var(--signal) 55%, var(--line)); transform: translateY(-3px); box-shadow: 0 20px 44px -28px rgba(0,0,0,.55); }
/* whole card clickable via a stretched link over the title */
.pcard .stretch::after { content: ""; position: absolute; inset: 0; }
/* big faint index numeral watermark */
.pcard .p-num { position: absolute; top: 10px; right: 18px; font-family: var(--mono); font-size: 64px; font-weight: 800; line-height: 1; color: var(--fg); opacity: .05; letter-spacing: -.04em; pointer-events: none; }
.pcard .p-top { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.pcard .p-tag { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--signal); background: var(--signal-dim); border: 1px solid color-mix(in srgb, var(--signal) 30%, transparent); padding: 4px 10px; border-radius: 999px; white-space: nowrap; }
.pcard .p-read { font-family: var(--mono); font-size: 12px; color: var(--fg-faint); }
.pcard h2 { font-size: 21px; font-weight: 750; margin: 0 0 10px; letter-spacing: -.015em; line-height: 1.2; }
.pcard h2 a { color: var(--fg); transition: color .15s; }
.pcard:hover h2 a { color: var(--signal); }
.pcard p { color: var(--fg-dim); font-size: 15px; margin: 0 0 20px; line-height: 1.55; flex: 1 0 auto; }
.pcard .p-more { font-family: var(--mono); font-size: 13px; color: var(--fg-dim); display: inline-flex; align-items: center; gap: 7px; margin-top: auto; transition: gap .15s, color .15s; }
.pcard:hover .p-more { color: var(--signal); gap: 11px; }

/* featured card spans both columns, bigger type, horizontal on wide screens */
.pcard.feat { grid-column: 1 / -1; background: linear-gradient(150deg, var(--signal-dim), transparent 55%), var(--ink-2); }
.pcard.feat .p-featline { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--signal); margin-bottom: 12px; }
.pcard.feat h2 { font-size: clamp(24px, 3vw, 32px); max-width: 20ch; }
.pcard.feat p { font-size: 16.5px; max-width: 62ch; }
.pcard.feat .p-num { font-size: 120px; top: -6px; right: 26px; }

@media (max-width: 720px) {
  .postgrid { grid-template-columns: 1fr; }
  .pcard.feat { grid-column: auto; }
}

/* article page */
.article { padding: 56px 0 40px; }
.article .a-meta { display: flex; gap: 14px; align-items: center; font-family: var(--mono); font-size: 13px; color: var(--fg-faint); margin-bottom: 20px; flex-wrap: wrap; }
.article .a-meta .p-tag { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--signal); background: var(--signal-dim); border: 1px solid color-mix(in srgb, var(--signal) 30%, transparent); padding: 4px 10px; border-radius: 999px; }
.article h1 { font-size: clamp(30px, 4.6vw, 46px); font-weight: 800; line-height: 1.08; margin: 0 0 18px; max-width: 20ch; }
.article .a-lede { font-size: 20px; color: var(--fg-dim); max-width: 60ch; margin: 0 0 8px; line-height: 1.55; }
.prose { max-width: 68ch; margin-top: 24px; padding-top: 32px; border-top: 1px solid var(--line-soft); }
.prose h2 { font-size: 24px; font-weight: 750; margin: 40px 0 14px; letter-spacing: -.01em; }
.prose h3 { font-size: 19px; font-weight: 700; margin: 30px 0 10px; }
.prose p { color: var(--fg-dim); margin: 0 0 18px; font-size: 17px; }
.prose p .strong, .prose strong { color: var(--fg); font-weight: 650; }
.prose ul, .prose ol { color: var(--fg-dim); margin: 0 0 18px; padding-left: 0; list-style: none; display: flex; flex-direction: column; gap: 11px; }
.prose ul li { position: relative; padding-left: 26px; }
.prose ul li::before { content: "→"; position: absolute; left: 0; color: var(--signal); font-family: var(--mono); }
.prose ol { counter-reset: p; }
.prose ol li { position: relative; padding-left: 38px; counter-increment: p; }
.prose ol li::before { content: counter(p, decimal-leading-zero); position: absolute; left: 0; top: 1px; font-family: var(--mono); font-size: 12px; font-weight: 700; color: var(--signal); background: var(--signal-dim); border-radius: 6px; width: 26px; height: 22px; display: grid; place-items: center; }
.prose blockquote { margin: 24px 0; padding: 4px 0 4px 20px; border-left: 3px solid var(--signal); color: var(--fg); font-style: italic; }
.prose code { font-family: var(--mono); font-size: .9em; background: var(--ink-3); border: 1px solid var(--line-soft); border-radius: 5px; padding: 1px 6px; color: var(--fg); }
.prose a { text-decoration: underline; text-underline-offset: 3px; }

/* article CTA box */
.a-cta { max-width: 68ch; margin: 44px 0 0; background: linear-gradient(160deg, var(--signal-dim), transparent 70%), var(--ink-2); border: 1px solid color-mix(in srgb, var(--signal) 40%, transparent); border-radius: 14px; padding: 28px; }
.a-cta h3 { font-size: 20px; font-weight: 750; margin: 0 0 8px; }
.a-cta p { color: var(--fg-dim); margin: 0 0 18px; font-size: 15px; }
.a-cta .actions { display: flex; gap: 12px; flex-wrap: wrap; }

.backlink { font-family: var(--mono); font-size: 13px; color: var(--fg-dim); display: inline-flex; align-items: center; gap: 7px; transition: color .15s; }
.backlink:hover { color: var(--signal); }

/* article layout with right sidebar */
.article-grid { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: clamp(36px, 5vw, 64px); align-items: start; margin-top: 24px; padding-top: 32px; border-top: 1px solid var(--line-soft); }
.article-grid .prose { margin-top: 0; padding-top: 0; border-top: none; }
.a-side { position: sticky; top: 80px; display: flex; flex-direction: column; gap: 16px; }
.side-card { background: var(--ink-2); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.side-card .sc-head { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-faint); margin-bottom: 4px; }
.side-post { display: block; padding: 14px 0; border-bottom: 1px solid var(--line-soft); }
.side-post:last-child { border-bottom: none; padding-bottom: 4px; }
.side-post .sp-tag { font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--signal); }
.side-post .sp-title { display: block; color: var(--fg); font-weight: 650; font-size: 14.5px; line-height: 1.35; margin-top: 4px; transition: color .15s; }
.side-post:hover .sp-title { color: var(--signal); }
.side-cta { background: linear-gradient(160deg, var(--signal-dim), transparent 70%), var(--ink-2); border-color: color-mix(in srgb, var(--signal) 40%, transparent); }
.side-cta p { color: var(--fg-dim); font-size: 13.5px; margin: 10px 0 14px; line-height: 1.5; }
.side-cta .btn { width: 100%; padding: 12px 16px; font-size: 13px; }
@media (max-width: 900px) {
  .article-grid { grid-template-columns: 1fr; }
  .a-side { position: static; }
}

/* ======================================================
   CURRICULUM
   ====================================================== */
.bundles { display: flex; flex-direction: column; gap: 22px; margin-top: 8px; }
.bundle { background: var(--ink-2); border: 1px solid var(--line); border-radius: 16px; padding: clamp(24px, 3.4vw, 36px); }
.bundle.adv { border-color: color-mix(in srgb, var(--signal) 45%, transparent); background: linear-gradient(165deg, var(--signal-dim), transparent 55%), var(--ink-2); }
.bundle .b-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px 16px; }
.bundle .rank { font-family: var(--mono); font-size: 12px; color: var(--fg-faint); letter-spacing: .1em; }
.bundle h2 { font-size: clamp(20px, 2.6vw, 26px); font-weight: 750; }
.bundle .b-who { color: var(--fg-dim); font-size: 15px; margin: 8px 0 0; }
.bundle .b-who b { color: var(--fg); font-weight: 650; }
.bundle .b-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 34px; margin-top: 26px; }
.bundle .b-mods h3, .bundle .b-out h3 { font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-faint); margin: 0 0 14px; font-weight: 500; }
.bundle ol.mods { list-style: none; padding: 0; margin: 0; counter-reset: m; display: flex; flex-direction: column; gap: 10px; }
.bundle ol.mods li { position: relative; padding-left: 38px; counter-increment: m; color: var(--fg-dim); font-size: 15px; }
.bundle ol.mods li::before { content: counter(m, decimal-leading-zero); position: absolute; left: 0; top: 1px; font-family: var(--mono); font-size: 12px; font-weight: 700; color: var(--signal); background: var(--signal-dim); border-radius: 6px; width: 26px; height: 22px; display: grid; place-items: center; }
.bundle .b-out p { color: var(--fg-dim); font-size: 15px; margin: 0 0 12px; }
.bundle .b-out p b { color: var(--fg); font-weight: 650; }
.bundle .capstone { margin-top: 20px; background: var(--signal-dim); border: 1px solid color-mix(in srgb, var(--signal) 35%, transparent); border-radius: 10px; padding: 14px 16px; color: var(--fg-dim); font-size: 14.5px; }
.bundle .capstone b { color: var(--signal); font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; display: block; margin-bottom: 4px; }
@media (max-width: 780px) { .bundle .b-grid { grid-template-columns: 1fr; gap: 22px; } }