/* Delmente — stone-courses */
:root{
  --bg:#eeece6;
  --bg-alt:#dedbd2;
  --bg-deep:#d1ccbf;
  --dark:#1b2430;
  --ink:#1a1a18;
  --muted:#6d6a62;
  --on-dark:#eeece6;
  --blue:#2a4f78;
  --ochre:#9a6a1c;
  --serif:Georgia,'Times New Roman',serif;
  --sans:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --gap:24px;
  --edge:clamp(16px,4vw,56px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.8;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
a:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:1px}
.skip{position:absolute;left:-9999px;top:0;background:var(--dark);color:var(--on-dark);padding:8px 14px;z-index:10}
.skip:focus{left:16px;top:16px}

/* 12-column grid */
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--gap);max-width:1320px;margin:0 auto;padding:0 var(--edge)}

/* typography */
h1,h2,h3{font-family:var(--serif);font-weight:normal;color:inherit;margin:0}
h1{font-size:clamp(2.4rem,6.2vw,5.4rem);line-height:1.04;letter-spacing:-.015em}
h2{font-size:clamp(1.55rem,2.4vw,2.05rem);line-height:1.2;margin-bottom:.9em}
h3{font-size:1.05rem;line-height:1.35;margin:1.8em 0 .4em;font-weight:bold}
p{margin:0 0 1.1em}
.num{display:block;font-family:var(--serif);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ochre);margin-bottom:14px}
.cap,figcaption{font-size:12px;line-height:1.6;color:var(--muted)}
ul,ol{padding-left:1.2em;margin:0 0 1.2em}
li{margin-bottom:.35em}
li::marker{color:var(--blue)}
.check{list-style:none;padding-left:0}
.check li{padding-left:1.4em;position:relative}
.check li::before{content:"";position:absolute;left:0;top:.72em;width:.6em;height:2px;background:var(--blue)}

/* hero: three courses */
.course-nav{background:var(--bg-alt)}
.course-nav .grid{align-items:center;min-height:64px;padding-top:10px;padding-bottom:10px}
.brand{grid-column:1/span 3;font-family:var(--serif);font-size:1.25rem;color:var(--ink);text-decoration:none;letter-spacing:.02em}
.nav{grid-column:4/-1;justify-self:end}
.nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 22px}
.nav li{margin:0}
.nav a{font-size:14px;color:var(--ink);text-decoration:none;border-bottom:1px solid transparent;padding:2px 0}
.nav a:hover,.nav a[aria-current="page"]{border-bottom-color:var(--blue);color:var(--blue)}

.course-title{background:var(--bg)}
.course-title .grid{min-height:clamp(340px,56vh,560px);align-content:end;padding-top:88px;padding-bottom:52px}
.course-title h1{grid-column:1/span 10}
.course-title .num{grid-column:1/-1}
.course-title.short .grid{min-height:clamp(240px,38vh,380px)}
.course-title.short h1{font-size:clamp(2.2rem,5vw,4.2rem)}

.course-intro{background:var(--bg-deep)}
.course-intro .grid{padding-top:52px;padding-bottom:52px;row-gap:28px}
.course-intro .lead{grid-column:1/span 6;margin:0}
.topics{grid-column:8/-1;list-style:none;padding:0;margin:0;font-size:14px;line-height:1.6}
.topics li{margin:0;padding:7px 0;display:grid;grid-template-columns:2.2em 1fr}
.topics span{color:var(--ochre);font-family:var(--serif)}
.topics a{color:var(--ink);text-decoration:none}
.topics a:hover{color:var(--blue);text-decoration:underline}

/* main image: 9 columns, right aligned, 3 columns of empty field */
.plate{background:var(--bg)}
.plate .grid{padding-top:88px;padding-bottom:52px}
.plate figure{grid-column:4/-1;margin:0}
.plate img{width:100%;aspect-ratio:3/2;object-fit:cover}
.plate figcaption{margin-top:12px;max-width:34em}

/* stepped sections */
.step{background:var(--bg)}
.step:nth-of-type(even){background:var(--bg-alt)}
.step>.grid{padding-top:88px;padding-bottom:52px}
.step .text{grid-column:1/span 6}
.s1 .text{grid-column:2/span 6}
.s2 .text{grid-column:3/span 6}
.s3 .text{grid-column:4/span 6}
.s4 .text{grid-column:5/span 6}
.tone-a{background:var(--bg)!important}
.tone-b{background:var(--bg-alt)!important}

/* contrast section */
.dark{background:var(--dark);color:var(--on-dark)}
.dark>.grid{padding-top:88px;padding-bottom:52px;align-items:start}
.dark figure{grid-column:1/span 5;margin:0}
.dark img{width:100%;aspect-ratio:4/5;object-fit:cover}
.dark figcaption{color:#a9a69c;margin-top:12px}
.dark .text{grid-column:7/span 6}
.dark a{color:#9dbbe0}
.dark a:focus-visible{outline-color:#9dbbe0}
.dark li::marker{color:#9dbbe0}
.dark .check li::before{background:#9dbbe0}
.dark .num{color:#c99a4a}

/* footer */
.site-foot{background:var(--dark);color:var(--on-dark)}
.site-foot .grid{padding-top:52px;padding-bottom:52px;row-gap:36px}
.foot-name{grid-column:1/-1;font-family:var(--serif);font-size:clamp(3.2rem,15vw,12.5rem);line-height:.9;letter-spacing:-.02em;margin:0;overflow-wrap:anywhere}
.foot-col{grid-column:span 4;font-size:14px;line-height:1.7}
.foot-col::before{content:"";display:block;width:40px;height:1px;background:#c99a4a;margin-bottom:16px}
.foot-col h2{font-family:var(--sans);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#a9a69c;margin:0 0 10px}
.foot-col ul{list-style:none;padding:0;margin:0}
.foot-col li{margin:0 0 4px}
.foot-col a{color:var(--on-dark)}
.foot-col a:hover{color:#9dbbe0}
.foot-col a:focus-visible{outline-color:#9dbbe0}
.foot-col p{margin:0;color:#c9c6bd}

/* tablet */
@media (max-width:980px){
  .grid{grid-template-columns:repeat(8,minmax(0,1fr))}
  .brand{grid-column:1/-1}
  .nav{grid-column:1/-1;justify-self:start}
  .course-title h1{grid-column:1/-1}
  .course-intro .lead{grid-column:1/span 6}
  .topics{grid-column:1/span 6}
  .plate figure{grid-column:2/-1}
  .step .text{grid-column:1/span 6}
  .s1 .text{grid-column:2/span 6}
  .s2 .text,.s3 .text,.s4 .text{grid-column:3/span 6}
  .dark figure{grid-column:1/span 4}
  .dark .text{grid-column:5/-1}
  .foot-col{grid-column:span 4}
  .foot-col:last-child{grid-column:1/-1}
}
/* mobile */
@media (max-width:680px){
  body{font-size:16.5px;line-height:1.75}
  .grid{grid-template-columns:minmax(0,1fr);column-gap:0;padding:0 16px}
  .course-nav .grid{padding-top:14px;padding-bottom:14px;row-gap:6px}
  .nav ul{gap:2px 16px}
  .course-title .grid{min-height:300px;padding-top:64px;padding-bottom:36px}
  .course-intro .grid{padding-top:40px;padding-bottom:40px}
  .plate .grid{padding-top:48px;padding-bottom:40px}
  .step>.grid,.dark>.grid{padding-top:64px;padding-bottom:40px}
  .course-intro .lead,.topics,.plate figure,.step .text,.dark figure,.dark .text,.foot-col,.foot-col:last-child{grid-column:1/-1}
  .s1 .text{padding-left:12px}
  .s2 .text{padding-left:24px}
  .s3 .text,.s4 .text{padding-left:36px}
  .dark .text{margin-top:36px}
  .dark figure{max-width:420px}
}