/* AI Architect Academy — landing page styles.
   All classes prefixed .lp- to avoid clashing with the app's component classes.
   Reuses CSS variables from tokens.css (loaded first). Do not redefine tokens here. */

/* ---- skip link ---- */
.lp-skip{
  position:absolute;left:12px;top:-48px;z-index:100;
  background:var(--amber);color:#1a0f06;font-family:var(--body);font-weight:700;
  font-size:14px;border-radius:8px;padding:10px 16px;text-decoration:none;
  transition:top .18s ease;
}
.lp-skip:focus{top:12px}

/* ---- layout containers ---- */
.lp-wrap{max-width:1080px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.lp-narrow{max-width:720px}
/* tokens.css sets a global `section{display:none}` (for the app stepper); the
   landing's semantic <section>s must override it to be visible. */
.lp-section{display:block;padding:72px 0;position:relative;z-index:1}
.lp-section.lp-tight{padding:48px 0}

.lp-eyebrow{
  font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--amber);margin:0 0 16px;
}
.lp-lede{font-size:17px;color:var(--ink-dim);line-height:1.65;max-width:62ch}

/* ---- top nav ---- */
.lp-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,13,16,.78);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-soft);
}
.lp-nav{
  max-width:1080px;margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;gap:18px;
}
.lp-brand{display:flex;align-items:center;gap:11px;text-decoration:none;margin-right:auto}
.lp-brand .dot{
  width:11px;height:11px;border-radius:50%;background:var(--amber);
  box-shadow:0 0 14px 2px rgba(255,140,59,.6);flex:none;
}
.lp-brand .lp-brand-name{
  font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-dim);
}
.lp-navlinks{display:flex;align-items:center;gap:20px}
.lp-navlink{
  font-family:var(--body);font-size:14px;font-weight:600;color:var(--ink-dim);
  text-decoration:none;transition:color .18s;
}
.lp-navlink:hover{color:var(--ink)}
@media(max-width:600px){
  .lp-navlinks{gap:14px}
  .lp-nav-hideable{display:none}
}

/* ---- hero ---- */
.lp-hero{display:block;padding:88px 0 64px;position:relative;overflow:hidden}
.lp-hero-grid{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:center}
.lp-h1{
  font-family:var(--display);font-weight:800;
  font-size:clamp(42px,7vw,84px);line-height:1.02;letter-spacing:-.025em;
  margin:0 0 22px;color:var(--ink);max-width:14ch;
}
.lp-hero .lp-lede{font-size:clamp(16px,2vw,19px);color:var(--ink-dim);margin:0 0 28px}
.lp-cta-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:18px}
.lp-cert-note{
  font-family:var(--mono);font-size:11.5px;color:var(--ink-dim);letter-spacing:.02em;
  margin:0;line-height:1.6;
}
.lp-cert-note b{color:var(--amber-soft);font-weight:500}
@media(max-width:860px){
  .lp-hero-grid{grid-template-columns:1fr;gap:40px}
  .lp-hero{padding:56px 0 48px}
}

/* ---- agentic loop motif: a living diagram of the loop the product teaches ----
   A comet traces the ring; each node lights as it passes (staggered via --d).
   The whole thing degrades to a static labelled diagram for reduced-motion and
   browsers without offset-path. */
.lp-loop{display:flex;flex-direction:column;align-items:center;gap:16px;justify-self:center}
.lp-loop-ring{width:248px;height:248px;display:block;overflow:visible}
.lp-loop-core{fill:none;stroke:var(--line-soft);stroke-width:1}
.lp-loop-track{
  fill:none;stroke:var(--line);stroke-width:2;
  stroke-dasharray:553;stroke-dashoffset:553;
  animation:lp-draw .9s cubic-bezier(.2,.7,.2,1) forwards;
}
@keyframes lp-draw{to{stroke-dashoffset:0}}

/* nodes — pips + labels; the decision node is a diamond (blue) */
.lp-loop-node circle,.lp-loop-node rect{fill:var(--panel-2);stroke:var(--ink-faint);stroke-width:1.5}
.lp-loop-node text{fill:var(--ink-faint);font-family:var(--mono);font-size:9px;letter-spacing:.03em}
.lp-loop-decide rect{stroke:var(--blue)}
.lp-loop-node circle,.lp-loop-node rect{animation:lp-pip 7s linear var(--d,0s) infinite}
.lp-loop-node text{animation:lp-pipt 7s linear var(--d,0s) infinite}
@keyframes lp-pip{
  0%{stroke:var(--amber);fill:rgba(255,140,59,.18)}
  9%{stroke:var(--ink-faint);fill:var(--panel-2)}
  100%{stroke:var(--ink-faint);fill:var(--panel-2)}
}
@keyframes lp-pipt{
  0%{fill:var(--amber-soft)}
  12%{fill:var(--ink-faint)}
  100%{fill:var(--ink-faint)}
}

/* comet travels the ring (r=88 about 120,120) */
.lp-loop-dot{
  fill:var(--amber);filter:drop-shadow(0 0 8px rgba(255,140,59,.8));
  offset-path:path("M120,32 A88,88 0 1,1 120,208 A88,88 0 1,1 120,32");
  offset-distance:0%;animation:lp-comet 7s linear infinite;
}
@keyframes lp-comet{to{offset-distance:100%}}
@supports not (offset-path: path("M0,0 L1,1")){ .lp-loop-dot{display:none} }

.lp-loop-label{
  font-family:var(--mono);font-size:12px;color:var(--amber-soft);letter-spacing:.06em;
  border:1px solid var(--line);border-radius:999px;padding:5px 14px;background:var(--panel);
}
.lp-loop-label .k{color:var(--ink-faint)}
@media(max-width:860px){.lp-loop-ring{width:208px;height:208px}}

/* ---- panels / cards shared ---- */
.lp-panel{
  background:linear-gradient(180deg,var(--panel),var(--bg-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px;
}

/* interactive vs static surfaces: prose panels go flat (read this), grid cards
   lift + take a cursor-tracked spotlight (engage with this) */
.lp-problem,.lp-founder,.lp-prov{background:var(--panel)}
.lp-role,.lp-cert,.lp-ped{transition:transform .25s cubic-bezier(.2,.7,.2,1),border-color .25s ease}
.lp-role:hover,.lp-cert:hover,.lp-ped:hover{transform:translateY(-2px);border-color:var(--ink-faint)}

/* cursor-aware spotlight (JS sets --mx/--my; static off-cursor + reduced-motion) */
.lp-spotlight{position:relative}
.lp-spotlight::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  opacity:0;transition:opacity .25s ease;
  background:radial-gradient(180px circle at var(--mx,50%) var(--my,50%),rgba(255,140,59,.14),transparent 60%);
}
.lp-spotlight:hover::before{opacity:1}
.lp-h2{
  font-family:var(--display);font-weight:800;
  font-size:clamp(26px,3.4vw,38px);line-height:1.08;letter-spacing:-.02em;
  margin:0 0 16px;color:var(--ink);
}
.lp-h3{font-family:var(--display);font-weight:700;font-size:17px;margin:0 0 6px;color:var(--ink)}

/* ---- problem statement ---- */
.lp-problem{border-left:3px solid var(--amber)}
.lp-problem p{font-size:17px;color:var(--ink);line-height:1.7;margin:0;max-width:64ch}
.lp-problem .lp-em{color:var(--amber-soft);font-weight:600}

/* ---- card grids ---- */
.lp-grid{display:grid;gap:16px}
.lp-grid-4{grid-template-columns:repeat(4,1fr)}
.lp-grid-3{grid-template-columns:repeat(3,1fr)}
.lp-grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){
  .lp-grid-4{grid-template-columns:repeat(2,1fr)}
  .lp-grid-3{grid-template-columns:1fr}
  .lp-grid-2{grid-template-columns:1fr}
}
@media(max-width:520px){
  .lp-grid-4{grid-template-columns:1fr}
}

/* who it's for */
.lp-role .lp-role-from{font-family:var(--mono);font-size:11px;color:var(--ink-dim);letter-spacing:.06em}
.lp-role .lp-role-to{
  font-family:var(--display);font-weight:700;font-size:17px;color:var(--ink);
  margin:6px 0 8px;line-height:1.2;
}
.lp-role .lp-arrow{color:var(--amber);display:block;font-family:var(--mono);font-size:14px;margin:4px 0}
.lp-role p{font-size:14px;color:var(--ink-dim);margin:0}

/* the profession (job list) */
.lp-joblist{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.lp-joblist li{
  position:relative;padding:16px 18px 16px 52px;
  border:1px solid var(--line-soft);border-radius:11px;background:var(--panel);
  color:var(--ink-dim);font-size:15px;line-height:1.55;
}
.lp-joblist li::before{
  content:attr(data-n);position:absolute;left:14px;top:15px;
  font-family:var(--mono);font-size:11px;font-weight:700;color:var(--bg);
  background:var(--amber);border-radius:6px;width:24px;height:24px;
  display:grid;place-items:center;
}
.lp-joblist li b{color:var(--ink);font-weight:600}

/* pedagogy cards */
.lp-ped .lp-h3{color:var(--ink)}
.lp-ped p{font-size:14.5px;color:var(--ink-dim);margin:0}
.lp-prov{border-left:3px solid var(--blue)}
.lp-prov-spaced{margin-top:16px}
.lp-prov .lp-prov-label{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--blue);margin:0 0 6px;
}
.lp-prov p{font-size:15px;color:var(--ink-dim);margin:0}

/* certs */
.lp-section-lead{font-size:16px;color:var(--ink-dim);margin:0 0 26px;max-width:60ch}
.lp-cert .lp-cert-name{font-family:var(--display);font-weight:800;font-size:20px;color:var(--ink);margin:0 0 2px}
.lp-cert .lp-cert-sub{font-family:var(--mono);font-size:11px;color:var(--ink-dim);margin:0 0 12px}
.lp-cert .lp-cert-pass{
  font-family:var(--mono);font-size:11px;color:var(--amber-soft);
  border:1px solid var(--line);border-radius:999px;padding:3px 10px;display:inline-block;margin-bottom:12px;
}
.lp-domains{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.lp-domains li{
  display:flex;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--ink-dim);border-top:1px solid var(--line-soft);padding:6px 0;
}
.lp-domains li:first-child{border-top:none}
.lp-domains li .lp-wt{font-family:var(--mono);color:var(--amber-soft);font-weight:500}
.lp-cert-note-honest{font-size:14px;color:var(--ink-dim);margin:0;line-height:1.6}

/* curriculum preview */
.lp-tracks{list-style:none;padding:0;margin:0 0 24px;display:grid;gap:8px}
.lp-tracks li{
  display:flex;align-items:baseline;gap:12px;
  padding:11px 14px;border:1px solid var(--line-soft);border-radius:10px;background:var(--panel);
}
.lp-tracks .lp-track-id{
  font-family:var(--mono);font-size:11px;color:var(--amber);letter-spacing:.06em;
  min-width:62px;flex:none;
}
.lp-tracks .lp-track-name{color:var(--ink);font-size:15px;font-weight:600;flex:1}
.lp-tracks .lp-track-count{font-family:var(--mono);font-size:12px;color:var(--ink-dim)}
.lp-tracks li.lp-track-total{background:linear-gradient(180deg,rgba(255,140,59,.08),var(--panel));border-color:var(--line)}
.lp-tracks li.lp-track-total .lp-track-name{font-weight:800;font-family:var(--display)}
.lp-live-badge{
  font-family:var(--mono);font-size:11px;color:var(--green);
  border:1px solid var(--green-deep);background:rgba(74,222,128,.07);
  border-radius:999px;padding:4px 12px;display:inline-block;margin:0 0 20px;
}
.lp-link{color:var(--amber-soft);text-decoration:none;font-weight:600;font-size:15px}
.lp-link:hover{color:var(--amber)}
.lp-linkrow{display:flex;gap:24px;flex-wrap:wrap;margin-top:8px}

/* founder note */
.lp-founder p{font-size:16.5px;color:var(--ink);line-height:1.7;margin:0 0 14px;max-width:62ch}
.lp-founder .lp-founder-sig{font-family:var(--mono);font-size:12px;color:var(--ink-dim);margin:0}

/* final CTA band */
.lp-finalcta{text-align:center}
.lp-finalcta .lp-h2{margin:0 auto 24px;max-width:18ch}
.lp-finalcta .lp-cta-row{justify-content:center;margin-bottom:36px}
.lp-subscribe-label{font-family:var(--mono);font-size:12px;color:var(--ink-dim);letter-spacing:.04em;margin:0 0 12px;text-transform:uppercase}
.lp-form{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;max-width:440px;margin:0 auto}
.lp-form input[type="email"]{
  flex:1;min-width:200px;font-family:var(--body);font-size:14px;
  background:var(--panel-2);border:1px solid var(--line);border-radius:10px;
  padding:12px 14px;color:var(--ink);min-height:44px;
}
.lp-form input[type="email"]::placeholder{color:var(--ink-faint)}
.lp-form-msg{font-family:var(--mono);font-size:13px;margin-top:14px;min-height:1.2em}
.lp-form-msg.lp-err{color:var(--red)}
.lp-form-msg.lp-ok{color:var(--green)}

/* footer */
.lp-footer{border-top:1px solid var(--line-soft);padding:40px 0;position:relative;z-index:1}
.lp-footer-nav{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:16px}
.lp-footer-nav a{font-family:var(--body);font-size:14px;color:var(--ink-dim);text-decoration:none}
.lp-footer-nav a:hover{color:var(--ink)}
.lp-footer-meta{font-family:var(--mono);font-size:11px;color:var(--ink-dim);line-height:1.8}
.lp-footer-meta a{color:var(--ink-dim);text-decoration:none}
.lp-footer-meta a:hover{color:var(--ink)}
.lp-footer-tag{color:var(--amber-soft)}

/* ---- reveal animation ---- */
.lp-reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.2,1);transition-delay:calc(var(--lp-i,0)*70ms)}
.lp-reveal.lp-in{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  /* freeze the loop into a static labelled diagram: drawn ring, parked comet,
     all nodes at rest */
  .lp-loop-track{animation:none;stroke-dashoffset:0}
  .lp-loop-dot{animation:none;offset-distance:0%}
  .lp-loop-node circle,.lp-loop-node rect,.lp-loop-node text{animation:none}
  .lp-reveal{opacity:1;transform:none;transition:none}
  .lp-spotlight::before{display:none}
  .lp-skip{transition:none}
}

/* ---- shared document / prose (about, privacy, terms, cookies, 404) ---- */
.lp-doc{max-width:720px}
.lp-doc h1{
  font-family:var(--display);font-weight:800;
  font-size:clamp(34px,5.2vw,52px);line-height:1.05;letter-spacing:-.02em;
  margin:0 0 10px;color:var(--ink);
}
.lp-doc .lp-doc-lede{font-size:18px;color:var(--ink);line-height:1.65;margin:0 0 8px;max-width:62ch}
.lp-doc h2{
  font-family:var(--display);font-weight:700;
  font-size:clamp(20px,2.6vw,26px);line-height:1.2;letter-spacing:-.01em;
  margin:40px 0 12px;color:var(--ink);
}
.lp-doc h3{font-family:var(--display);font-weight:700;font-size:17px;margin:24px 0 8px;color:var(--ink)}
.lp-doc p,.lp-doc li{color:var(--ink-dim);font-size:16px;line-height:1.7}
.lp-doc p{margin:0 0 14px;max-width:64ch}
.lp-doc ul,.lp-doc ol{margin:0 0 16px;padding-left:22px;display:grid;gap:8px;max-width:64ch}
.lp-doc li{padding-left:2px}
.lp-doc li b,.lp-doc p b{color:var(--ink);font-weight:600}
.lp-doc a{color:var(--amber-soft);text-decoration:underline;text-underline-offset:2px}
.lp-doc a:hover{color:var(--amber)}
.lp-doc code{
  font-family:var(--mono);font-size:.86em;background:var(--panel-2);
  border:1px solid var(--line-soft);border-radius:5px;padding:1px 6px;color:var(--amber-soft);
}
.lp-doc-meta{
  font-family:var(--mono);font-size:12px;color:var(--ink-dim);letter-spacing:.04em;
  margin:0 0 28px;
}
.lp-doc table{
  width:100%;border-collapse:collapse;margin:8px 0 18px;font-size:14px;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.lp-doc thead th{
  text-align:left;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink-dim);font-weight:500;
  padding:11px 13px;border-bottom:1px solid var(--line);background:var(--panel-2);
}
.lp-doc tbody td{padding:11px 13px;border-bottom:1px solid var(--line-soft);color:var(--ink-dim);vertical-align:top}
.lp-doc tbody tr:last-child td{border-bottom:none}
.lp-doc tbody td code{white-space:nowrap}

/* 404 */
.lp-404{text-align:center;padding:48px 0}
.lp-404 .lp-404-code{
  font-family:var(--display);font-weight:800;font-size:clamp(80px,18vw,160px);
  line-height:1;letter-spacing:-.03em;color:var(--ink);margin:0;
}
.lp-404 .lp-404-line{font-size:19px;color:var(--ink-dim);margin:8px 0 28px}
.lp-404 .lp-cta-row{justify-content:center}