/* rhettullmann.com v2: white, light Inter, single accent */
:root{--bg:#fff;--bg-2:#f6f6f4;--ink:#141414;--ink-2:#3d3d3d;--muted:#5f5f5f;--line:#e6e6e3;--acc:#1d5c8c;--acc-dk:#154669;--max:1160px;
 --f:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:300 17px/1.65 var(--f);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--acc)}a:hover{color:var(--acc-dk)}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px}
.skip{position:absolute;left:-9999px}.skip:focus{left:1rem;top:1rem;z-index:99;background:var(--ink);color:#fff;padding:.5rem 1rem}
.wrap{width:min(100% - 2.5rem,var(--max));margin-inline:auto}
h1,h2,h3{font-weight:200;letter-spacing:-.025em;line-height:1.08;margin:0 0 1rem;color:var(--ink)}
h1{font-size:clamp(2.5rem,5.4vw,4.2rem)}
h2{font-size:clamp(2rem,4.2vw,3.1rem)}
h3{font-weight:400;font-size:1.02rem;letter-spacing:-.005em;line-height:1.3}
p{margin:0 0 1rem}
.eyebrow{display:block;font:400 .74rem/1 var(--f);letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin-bottom:1.2rem}
.lead{font-size:clamp(1.08rem,1.9vw,1.25rem);color:var(--ink-2);max-width:34rem}
.muted{color:var(--muted)}
.ph{border:1px dashed var(--acc);color:var(--acc);padding:0 .35em;border-radius:3px;font:400 .72rem/1.6 ui-monospace,Menlo,monospace}
/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:64px}
.logo{font:400 .95rem/1 var(--f);letter-spacing:.24em;text-transform:uppercase;color:var(--ink);text-decoration:none;white-space:nowrap}
.hdr nav{display:flex;align-items:center;gap:1.6rem;font-size:.88rem}
.nav-m{display:none}
.hdr nav a:not(.btn){color:var(--ink-2);text-decoration:none}.hdr nav a:not(.btn):hover{color:var(--acc)}
@media(max-width:819px){.nav-d{display:none!important}.nav-m{display:block;position:relative}
.nav-m summary{list-style:none;cursor:pointer;min-height:44px;display:flex;align-items:center;padding:0 1rem;border:1px solid #bdbdb8;border-radius:999px;font-size:.9rem;color:var(--ink)}
.nav-m summary::-webkit-details-marker{display:none}
.nav-m[open] summary{border-color:var(--acc);color:var(--acc)}
.nav-m nav{position:absolute;right:0;top:calc(100% + .6rem);flex-direction:column;align-items:stretch;gap:0;min-width:220px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:.5rem;box-shadow:0 20px 40px -20px rgba(0,0,0,.25)}
.nav-m nav a:not(.btn){padding:.8rem .9rem;font-size:1rem;border-radius:6px}
.nav-m nav .btn{margin-top:.4rem}}
@media(max-width:599px){.logo{font-size:.8rem;letter-spacing:.16em}}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:.85rem 1.6rem;border-radius:999px;font:400 .92rem/1.2 var(--f);letter-spacing:.01em;text-decoration:none;border:1px solid var(--acc);cursor:pointer;transition:background .2s,color .2s;text-align:center}
.btn-p{background:var(--acc);color:#fff}.btn-p:hover{background:var(--acc-dk);color:#fff}
.btn-o{background:transparent;color:var(--acc)}.btn-o:hover{background:var(--acc);color:#fff}
.btn-sm{min-height:40px;padding:.55rem 1.1rem;font-size:.85rem}
.btn[aria-disabled=true]{background:#e9eef2;border-color:#c9d3db;color:#4d5862;pointer-events:none;cursor:not-allowed}
.txt{font-size:.95rem;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.row-btns{display:flex;flex-wrap:wrap;align-items:center;gap:1rem 1.6rem;margin-top:1.8rem}
/* sections */
section{padding:clamp(4rem,9vw,7rem) 0}
.hero{padding:clamp(2.5rem,6vw,5rem) 0 clamp(3.5rem,7vw,6rem)}
.hero-grid{display:grid;gap:2.5rem;align-items:center}
@media(min-width:900px){.hero-grid{grid-template-columns:1.15fr .85fr;gap:4.5rem}}
.photo{margin:0;overflow:hidden;border-radius:4px;background:var(--bg-2)}
.photo img{width:100%;aspect-ratio:4/5;object-fit:cover}
@media(max-width:899px){.hero .photo{order:-1}.hero .photo img{aspect-ratio:5/4;object-position:50% 22%}}
.meta{display:flex;flex-wrap:wrap;gap:.4rem 1.4rem;margin:1.6rem 0 0;padding:0;list-style:none;font-size:.85rem;color:var(--muted)}
.sec-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:end;gap:1rem 2rem;margin-bottom:2.8rem}
.sec-head p{max-width:30rem;margin:0;color:var(--ink-2)}
.alt{background:var(--bg-2)}
/* grid */
.grid{display:grid;gap:2.6rem 1.6rem;grid-template-columns:repeat(2,minmax(0,1fr))}
@media(min-width:760px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(min-width:1080px){.grid{grid-template-columns:repeat(5,minmax(0,1fr))}}
.bk{display:flex;flex-direction:column;gap:.35rem;color:var(--ink);text-decoration:none;min-width:0}
.bk:hover{color:var(--ink)}
.bk .cv{aspect-ratio:3/4;overflow:hidden;background:var(--bg-2);box-shadow:0 1px 2px rgba(0,0,0,.06),0 14px 30px -18px rgba(0,0,0,.35);margin-bottom:.7rem}
.bk .cv img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.bk:hover .cv img{transform:scale(1.03)}
.bk h3{margin:0;overflow-wrap:anywhere}
.bk .pr{display:flex;justify-content:space-between;gap:.5rem;font-size:.85rem;color:var(--muted)}
.bk .pr b{font-weight:400;color:var(--ink)}
.bk .wl{font-size:.82rem;color:var(--acc);text-decoration:underline;text-underline-offset:3px}
/* academy link card (rendered only when BDBA_LIVE) */
.acad{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.2rem 2rem;padding:1.8rem 2rem;border:1px solid var(--line);border-left:3px solid var(--acc);border-radius:6px;text-decoration:none;color:var(--ink);transition:border-color .2s}
.acad:hover{border-color:var(--acc);color:var(--ink)}
.acad h2{margin:.4rem 0 .4rem}.acad p{margin:0;color:var(--ink-2);max-width:46rem}
.acad .go{white-space:nowrap}
/* projects */
.pgrid{display:grid;gap:1.2rem;grid-template-columns:minmax(0,1fr)}
@media(min-width:760px){.pgrid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.proj{display:flex;align-items:center;gap:1.1rem;padding:1.3rem;border:1px solid var(--line);border-radius:6px;text-decoration:none;color:var(--ink);min-width:0;transition:border-color .2s}
.proj:hover{border-color:var(--acc);color:var(--ink)}
.proj img{width:72px;height:72px;flex:0 0 72px;object-fit:contain}
.proj h3{margin:0 0 .2rem;font-weight:400}
.proj p{margin:0;font-size:.88rem;color:var(--ink-2)}
.proj .go{display:block;margin-top:.35rem;font-size:.82rem;color:var(--acc)}
/* about */
.about{display:grid;gap:2.5rem;align-items:center}
@media(min-width:900px){.about{grid-template-columns:.8fr 1.2fr;gap:5rem}}
.about p{color:var(--ink-2)}
/* forms */
.form{display:grid;gap:.9rem}
.form .row{display:grid;gap:.9rem}
@media(min-width:620px){.form .row{grid-template-columns:1fr 1fr auto;align-items:end}}
.field label{display:block;font-size:.8rem;color:var(--muted);margin-bottom:.35rem}
.field input{width:100%;min-height:48px;background:#fff;border:1px solid #bdbdb8;border-radius:6px;padding:.75rem .9rem;font:300 1rem/1.3 var(--f);color:var(--ink)}
.field input:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px rgba(29,92,140,.15)}
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}
.consent{font-size:.8rem;color:var(--muted);margin:0}
.consent a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.signup{text-align:center}
.signup .lead{margin-inline:auto}
.signup .form{max-width:680px;margin:2rem auto 0;text-align:left}
/* book page */
.crumbs{font-size:.82rem;color:var(--muted);margin-bottom:2rem}
.crumbs a{color:var(--muted)}
.bp{display:grid;gap:2.5rem;align-items:start}
@media(min-width:900px){.bp{grid-template-columns:.8fr 1.2fr;gap:4.5rem}}
.bp .cv{box-shadow:0 2px 4px rgba(0,0,0,.06),0 30px 60px -30px rgba(0,0,0,.45);max-width:420px}
@media(max-width:899px){.bp .cv{max-width:210px}}
.bp h1{font-size:clamp(2.2rem,5vw,3.8rem);overflow-wrap:break-word}
.subt{font-size:1.05rem;color:var(--ink-2);margin:-.3rem 0 1rem}
.soon{display:inline-block;font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:var(--acc);border:1px solid var(--acc);border-radius:999px;padding:.35rem .8rem;margin-bottom:1.2rem}
.buy{border-top:1px solid var(--line);margin-top:1.6rem;padding-top:1.6rem;display:grid;gap:1rem;max-width:520px}
.price{display:flex;align-items:baseline;gap:.8rem;flex-wrap:wrap}
.price b{font-weight:200;font-size:2.6rem;line-height:1}
.price span{font-size:.88rem;color:var(--muted)}
.buyph{display:flex;flex-direction:column;align-items:flex-start;gap:.4rem}
.buyph .btn{width:100%}
.bwl .form .row{grid-template-columns:1fr auto}
@media(max-width:619px){.bwl .form .row{grid-template-columns:1fr}}
.blurb p{font-size:1.08rem;color:var(--ink-2);max-width:42rem}
.toc{columns:2 280px;column-gap:3rem;margin-top:1.5rem}
.toc div{break-inside:avoid;margin-bottom:1.6rem}
.toc h3{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:.5rem}
.toc ol{margin:0;padding-left:1.2rem;font-size:.95rem;color:var(--ink-2)}
.toc li{padding:.12rem 0}
/* footer */
.ftr{border-top:1px solid var(--line);padding:2rem 0;font-size:.85rem;color:var(--muted)}
.ftr .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.8rem 2rem}
.ftr a{color:var(--muted)}
.ftr nav{display:flex;flex-wrap:wrap;gap:.4rem 1.2rem}
.center{min-height:62vh;display:grid;place-items:center;text-align:center}
.center .lead{margin-inline:auto}
.prose{max-width:44rem}.prose h2{font-size:1.5rem;font-weight:300;margin-top:2.2rem}.prose li,.prose p{color:var(--ink-2)}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}