/* ==========================================================================
   K12SEMINARS — DESIGN SYSTEM v2 · "THE PRINTED INVITATION"
   Merged from the approved Claude Design direction (typography-led numerals,
   marker highlight, postmark, perforated ADMIT ONE stub, duotone + tear hover)
   and the conversion machinery (sticky register bar, first-person CTAs,
   container-query fluidity). Presented by Time To Teach® / CTE.
   ========================================================================== */

:root{
  --ink:#1B2A4A; --ink-soft:#25344F; --ink-60:rgba(27,42,74,.6); --ink-25:rgba(27,42,74,.25);
  --gold:#EFAF1F; --gold-deep:#9A7414; --gold-soft:#FBF1D3;
  --red:#C8102E; --red-dark:#A50D26; --leaf:#5E8C3A;
  --paper:#FDFCF7; --cream:#F4F1E7; --line:#E2DCCB; --mute:#5B6474;

  --state-a:var(--gold); --state-b:var(--ink); --state-wash:var(--gold-soft);

  --f-disp:"Archivo",system-ui,sans-serif;
  --f-body:"Source Serif 4",Georgia,serif;
  --f-mono:"IBM Plex Mono",ui-monospace,monospace;

  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}
body[data-state="pa"]{--state-a:#EFAF1F;--state-b:#1B2A4A;--state-wash:#FBF1D3}
body[data-state="co"]{--state-a:#FFD520;--state-b:#0F2D52;--state-wash:#EAF1FA}
body[data-state="mi"]{--state-a:#7FB2E5;--state-b:#0B4F8A;--state-wash:#E8F1FA}
body[data-state="oh"]{--state-a:#BA0C2F;--state-b:#3A3F45;--state-wash:#F7E9EC}
body[data-state="us"]{--state-a:#EFAF1F;--state-b:#1B2A4A;--state-wash:#FBF1D3}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);
  font-size:clamp(1rem,.96rem + .3vw,1.09rem);line-height:1.66}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration-color:var(--gold);text-decoration-thickness:2px;text-underline-offset:3px}
a:hover{color:var(--red)}
:focus-visible{outline:2.5px solid var(--gold);outline-offset:3px;border-radius:3px}

h1,h2,h3{font-family:var(--f-disp);line-height:1.04;letter-spacing:-.025em;margin:0 0 .45em;text-wrap:balance}
h1{font-weight:900;font-size:clamp(2.15rem,1.4rem + 3.6vw,3.6rem)}
h2{font-weight:800;font-size:clamp(1.6rem,1.2rem + 2vw,2.35rem)}
h3{font-weight:800;font-size:1.2rem;letter-spacing:-.01em}
p{margin:.3em 0 1em}
.lead{font-size:clamp(1.08rem,1rem + .5vw,1.24rem);line-height:1.55;color:var(--ink-soft)}
.mute{color:var(--mute)}
.center{text-align:center}
em{font-style:italic}

.mono{font-family:var(--f-mono)}
.eyebrow{font-family:var(--f-mono);font-weight:600;font-size:.72rem;letter-spacing:.26em;text-transform:uppercase;color:var(--ink)}
.eyebrow .soft{opacity:.6}
.microline{font-family:var(--f-mono);font-weight:500;font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-60)}

/* The approved marker highlight — carried verbatim from the chosen design */
.hl{background:linear-gradient(101deg,rgba(239,175,31,.35) 0%,rgba(239,175,31,.88) 9%,rgba(239,175,31,.78) 90%,rgba(239,175,31,.3) 100%);
  box-decoration-break:clone;-webkit-box-decoration-break:clone;
  padding:.02em .14em;border-radius:.4em .55em .35em .5em}

.wrap{max-width:1140px;margin:0 auto;padding:0 clamp(18px,4vw,32px)}
section{padding:clamp(52px,8vw,84px) 0}
section.tight{padding:clamp(32px,5vw,48px) 0}
.grain{position:relative}
.grain::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.045;background-image:var(--grain)}
.band-ink{background:var(--ink);color:#F1EEE4}
.band-ink h2{color:#fff}
.band-ink .mute{color:#C9CFDD}
.band-ink .eyebrow,.band-ink .microline{color:#F1EEE4}
.band-wash{background:var(--state-wash)}
.band-cream{background:var(--cream)}
.rule-top{border-top:1px solid var(--ink-25)}

/* Buttons — first-person system */
.btn{display:inline-block;font-family:var(--f-disp);font-weight:800;font-size:1rem;
  padding:15px 26px;border-radius:4px;border:2px solid transparent;text-decoration:none;
  cursor:pointer;letter-spacing:.01em}
@media(prefers-reduced-motion:no-preference){.btn{transition:transform .18s ease,box-shadow .18s ease}
  @media(hover:hover) and (pointer:fine){.btn:hover{transform:translateY(-2px);box-shadow:6px 6px 0 -1px rgba(27,42,74,.18)}}}
.btn-red{background:var(--red);color:#fff}.btn-red:hover{background:var(--red-dark);color:#fff}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.band-ink .btn-ghost{border-color:#F1EEE4;color:#F1EEE4}
.btn-block{display:block;text-align:center}
.btn-micro{display:block;margin-top:9px;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mute)}
.phone-link{white-space:nowrap;border-bottom:2px solid var(--gold);padding-bottom:2px;text-decoration:none;font-weight:600}

/* Header */
.site-head{position:sticky;top:0;z-index:60;background:rgba(253,252,247,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:11px;padding-bottom:11px}
.logo{font-family:var(--f-disp);font-weight:900;font-size:1.28rem;text-decoration:none;color:var(--ink);letter-spacing:-.02em}
.logo b{color:var(--red)}
.logo small{display:block;font-family:var(--f-mono);font-weight:500;font-size:.58rem;letter-spacing:.22em;color:var(--mute);text-transform:uppercase}
.nav{display:flex;gap:20px;align-items:center}
.nav a{font-family:var(--f-disp);font-weight:700;font-size:.93rem;text-decoration:none}
.nav .phone{font-family:var(--f-mono);font-weight:600;font-size:.84rem;border:1.5px solid var(--ink);border-radius:999px;padding:8px 14px}
.nav-toggle{display:none;background:none;border:1.5px solid var(--ink);border-radius:6px;padding:6px 10px;font-family:var(--f-mono);font-size:.8rem}
@media(max-width:860px){
  .nav{position:fixed;inset:56px 0 auto 0;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;padding:20px;display:none}
  .nav.open{display:flex}
  .nav-toggle{display:block}
}

/* HERO — typography-led (take 1a) */
.hero{position:relative;overflow:hidden;background:var(--paper)}
.hero .wrap{position:relative;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);
  gap:clamp(28px,4vw,56px);padding-top:clamp(46px,7vw,84px);padding-bottom:clamp(46px,7vw,84px);align-items:start}
.hero .brandline{grid-column:1/-1;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:clamp(18px,3vw,34px)}
.hero h1{color:var(--ink)}
.hero .lead{max-width:56ch}
.hero .cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px;align-items:center}

/* the dateline rail with oversized mono numerals — carried from take 1a */
.rail{border-left:1px solid var(--ink-25);padding:26px 0 26px clamp(20px,3vw,34px);display:flex;flex-direction:column;gap:8px}
.bigdate{font-family:var(--f-mono);font-weight:600;line-height:.84;letter-spacing:-.06em;color:var(--ink);
  font-size:clamp(4rem,2.4rem + 8vw,7rem)}
.bigdate .plus{color:var(--gold-deep)}
.bigprice{font-family:var(--f-mono);font-weight:600;letter-spacing:-.04em;font-size:clamp(2.4rem,1.6rem + 4vw,3.6rem);line-height:1}
.bigprice small{font-size:.35em;letter-spacing:.1em;color:var(--mute)}
@media(max-width:820px){.hero .wrap{grid-template-columns:1fr}.rail{border-left:none;border-top:1px solid var(--ink-25);padding:22px 0 0}}

/* Duotone photo treatment + postmark (take 1b) */
.duo{position:relative;background:linear-gradient(135deg,var(--gold) 0%,var(--state-b,var(--ink)) 78%);overflow:hidden}
.duo img{width:100%;height:100%;object-fit:cover;mix-blend-mode:luminosity;opacity:.92}
.duo .cap{position:absolute;left:18px;bottom:14px;font-family:var(--f-mono);font-weight:500;font-size:.66rem;letter-spacing:.2em;color:rgba(253,252,247,.85);text-transform:uppercase}
.photo{overflow:hidden;border:1px solid var(--ink-25)}
.photo.duo{border:none}
.figcap{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.12em;color:var(--mute);margin-top:8px;text-transform:uppercase}

.postmark{width:clamp(104px,12vw,136px);aspect-ratio:1;border:1.5px solid currentColor;border-radius:50%;
  transform:rotate(-5deg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  color:var(--ink);position:relative;flex:0 0 auto;background:transparent}
.postmark::before{content:"";position:absolute;inset:7px;border:1px dashed currentColor;border-radius:50%;opacity:.55}
.postmark .city{font-family:var(--f-mono);font-weight:600;font-size:.56rem;letter-spacing:.16em;text-transform:uppercase}
.postmark .big{font-family:var(--f-disp);font-weight:900;font-size:clamp(1.2rem,1rem + 1vw,1.6rem);letter-spacing:-.02em;line-height:1}
.postmark .sub{font-family:var(--f-mono);font-weight:500;font-size:.5rem;letter-spacing:.2em;text-transform:uppercase;opacity:.75}
.postmark.on-photo{position:absolute;color:#FDFCF7;background:rgba(27,42,74,.12);backdrop-filter:blur(1px)}
.postmark.gold{color:var(--gold-deep)}

/* THE TICKET (grid card) — perforation + ADMIT ONE (take 1c) + tear hover */
.ticket-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(340px,100%),1fr));gap:28px;container-type:inline-size}
.tkt{display:grid;grid-template-columns:1fr 84px;background:#fff;border:1px solid var(--ink-25);position:relative;text-decoration:none;color:var(--ink)}
@media(prefers-reduced-motion:no-preference){
  .tkt{transition:transform .28s cubic-bezier(.2,.7,.3,1),box-shadow .28s ease}
  @media(hover:hover) and (pointer:fine){
    .tkt:hover{transform:translateY(-6px) rotate(-.15deg);
      box-shadow:34px 30px 0 -14px rgba(27,42,74,.16),0 28px 60px -30px rgba(27,42,74,.5)}
  }
}
.tkt .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px}
.tkt .when{font-family:var(--f-mono);font-weight:500;font-size:.72rem;letter-spacing:.14em;color:var(--mute);text-transform:uppercase}
.tkt h3{margin:.1em 0}
.tkt .meta{font-size:.97rem;color:var(--ink-soft)}
.tkt .price{font-family:var(--f-mono);font-weight:600;font-size:.78rem;letter-spacing:.06em;margin-top:2px}
.tkt .price b{color:var(--red)}
.tkt .go{margin-top:auto;padding-top:12px}
.tkt .stub{position:relative;border-left:2px dashed rgba(27,42,74,.45);background:var(--stub,var(--ink));color:#FDFCF7;
  display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:16px 8px;gap:10px}
.tkt .stub::before,.tkt .stub::after{content:"";position:absolute;left:-8px;width:14px;height:14px;border-radius:50%;
  background:var(--paper);border:1px solid var(--ink-25)}
.tkt .stub::before{top:-8px}.tkt .stub::after{bottom:-8px}
.tkt .stub svg{width:40px;height:40px}
.tkt .stub .st{font-family:var(--f-mono);font-weight:600;font-size:.56rem;letter-spacing:.2em;writing-mode:vertical-rl;text-transform:uppercase;opacity:.85}
.tkt .flagcorner{position:absolute;top:12px;right:96px;background:var(--red);color:#fff;font-family:var(--f-mono);
  font-weight:600;font-size:.6rem;letter-spacing:.16em;padding:5px 10px}
@container (max-width:360px){.tkt{grid-template-columns:1fr 64px}.tkt .stub svg{width:30px;height:30px}}

/* Pricing cards */
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));gap:26px;align-items:stretch;container-type:inline-size}
.pcard{background:#fff;border:1px solid var(--ink-25);padding:26px;position:relative;display:flex;flex-direction:column}
.pcard.star{border:2px solid var(--ink);box-shadow:14px 14px 0 -4px var(--gold)}
.pcard.star::before{content:"";position:absolute;left:-1px;right:-1px;top:-1px;height:0;border-top:2px dashed rgba(27,42,74,.4)}
.pcard .flag{position:absolute;top:-15px;left:22px;background:var(--gold);color:var(--ink);font-family:var(--f-mono);font-weight:600;font-size:.64rem;letter-spacing:.16em;padding:6px 12px}
.pcard h3{font-size:1.12rem}
.pcard .amt{font-family:var(--f-mono);font-weight:600;font-size:2.6rem;letter-spacing:-.05em;margin:8px 0 0;line-height:1}
.pcard .amt small{font-size:.85rem;letter-spacing:.06em;color:var(--mute);font-weight:500}
.pcard .ladder{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.1em;color:var(--mute);margin:8px 0 16px;text-transform:uppercase}
.pcard ul{list-style:none;padding:0;margin:0 0 18px}
.pcard li{padding:8px 0 8px 26px;position:relative;font-size:.97rem;border-top:1px dashed var(--line)}
.pcard li:first-child{border-top:none}
.pcard li::before{content:"✓";position:absolute;left:0;color:var(--leaf);font-weight:700}
.pcard .btn{margin-top:auto}

/* Layout blocks */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(26px,4vw,48px);align-items:center}
@media(max-width:860px){.split{grid-template-columns:1fr}}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:0;text-align:center}
.stats .stat{padding:20px 8px;border-left:1px solid var(--line)}
.stats .stat:first-child{border-left:none}
.stats b{display:block;font-family:var(--f-mono);font-weight:600;font-size:1.7rem;letter-spacing:-.03em}
.stats span{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:var(--mute)}

.benefits{counter-reset:b;columns:2;column-gap:44px;padding:0;margin:0;list-style:none}
@media(max-width:760px){.benefits{columns:1}}
.benefits li{break-inside:avoid;padding:12px 0 12px 46px;position:relative;border-bottom:1px dashed var(--line)}
.benefits li::before{counter-increment:b;content:counter(b,decimal-leading-zero);position:absolute;left:0;top:12px;
  font-family:var(--f-mono);font-weight:600;color:var(--state-b);background:var(--state-wash);padding:2px 7px;font-size:.76rem}
.benefits b{font-family:var(--f-disp);font-weight:800}

.quote{background:#fff;border-left:4px solid var(--gold);padding:20px 24px;margin:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
.quote p{font-size:1.05rem;margin:0 0 10px;font-style:italic}
.quote cite{font-family:var(--f-mono);font-style:normal;font-size:.68rem;letter-spacing:.12em;color:var(--mute);text-transform:uppercase}
.quote-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(290px,100%),1fr));gap:22px}

.datarow{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:18px;text-align:center}
.datarow .d{background:#fff;border:1px solid var(--ink-25);padding:22px 14px}
.datarow b{font-family:var(--f-mono);font-weight:600;font-size:2rem;letter-spacing:-.04em;color:var(--red);display:block}
.datarow span{font-size:.9rem;color:var(--ink-soft)}
.source{font-family:var(--f-mono);font-size:.64rem;letter-spacing:.14em;color:var(--mute);text-transform:uppercase}

.credit-math{background:var(--state-wash);border:1px solid var(--ink-25);padding:clamp(20px,3vw,30px);position:relative}
.credit-math .big{font-family:var(--f-disp);font-weight:900;font-size:clamp(1.25rem,1.1rem + 1vw,1.6rem);letter-spacing:-.02em}
.credit-math .eq{font-family:var(--f-mono);font-weight:500;font-size:.82rem;letter-spacing:.04em;background:#fff;padding:14px 16px;margin:14px 0;border:1px dashed var(--ink-25)}

.faq details{background:#fff;border:1px solid var(--ink-25);padding:16px 20px;margin-bottom:12px}
.faq summary{font-family:var(--f-disp);font-weight:800;cursor:pointer;font-size:1.02rem}
.faq details[open]{border-left:4px solid var(--gold)}
.notice{background:#fff;border:1px solid var(--ink-25);border-left:4px solid var(--leaf);padding:16px 20px}

.capture{display:flex;flex-wrap:wrap;gap:12px}
.capture input[type=email]{flex:1 1 240px;padding:14px 16px;font-family:var(--f-body);font-size:1rem;border:1.5px solid var(--ink-25);background:#fff;min-width:0}
.capture input:focus{border-color:var(--gold);outline:none}

/* Sticky mobile register bar */
.regbar{position:fixed;left:0;right:0;bottom:0;z-index:70;background:var(--ink);color:#fff;
  display:none;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;
  padding:10px max(14px,env(safe-area-inset-left)) calc(10px + env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-right))}
.regbar .p{font-family:var(--f-mono);font-weight:600;font-size:1.05rem;letter-spacing:-.02em}
.regbar .p small{display:block;font-size:.56rem;letter-spacing:.18em;opacity:.7;text-transform:uppercase}
.regbar .btn{padding:12px 16px;font-size:.92rem;text-align:center}
.regbar .call{display:flex;align-items:center;justify-content:center;width:46px;height:46px;border:1.5px solid rgba(253,252,247,.6);border-radius:50%;color:#fff;text-decoration:none;font-size:1.15rem}
@media(max-width:900px){.regbar.on{display:grid}body.has-regbar{padding-bottom:84px}}

footer{background:var(--ink);color:#C9CFDD;padding:56px 0 40px;font-size:.94rem}
footer h4{color:#fff;font-family:var(--f-disp);font-weight:800;margin:0 0 10px}
footer a{color:#EDE8DA}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr 1fr}}
.foot-legal{border-top:1px solid rgba(255,255,255,.15);margin-top:36px;padding-top:20px;font-family:var(--f-mono);font-size:.64rem;letter-spacing:.14em}

.reveal{opacity:0;transform:translateY(14px)}
@media(prefers-reduced-motion:no-preference){.reveal{transition:opacity .5s ease,transform .5s ease}}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}