/* Gravistenor — stone-courses: slonovina, kaštan, jantarový lak */

:root{
  --bg:#f6f0e6;
  --bg-alt:#eadcc6;
  --bg-deep:#ddc9a9;
  --dark:#4a2b1b;
  --ink:#2c1f15;
  --muted:#7c6a55;
  --accent:#a9631d;
  --accent2:#2a3f63;
  --serif:Georgia,'Times New Roman',serif;
  --sans:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --pad-x:52px;
  --pad-y:88px;
  --maxw:1280px;
}

*,*::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(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
a:hover{text-decoration-thickness:2px;}
a:focus-visible,
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

/* ---------- kladba: pásy bez svislých mezer ---------- */

.band{
  padding:var(--pad-y) 0;
  background:var(--bg);
}
.band--alt{background:var(--bg-alt);}
.band--deep{background:var(--bg-deep);}
.band--dark{background:var(--dark);color:var(--bg);}

.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--pad-x);
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:24px;
}

.col{
  grid-column:calc(1 + var(--step,0)) / span 6;
  min-width:0;
}

.step-1{--step:1;}
.step-2{--step:2;}
.step-3{--step:3;}

/* ---------- typografie ---------- */

h1,h2,h3{font-family:var(--serif);font-weight:400;letter-spacing:-.01em;}

h1{
  font-size:clamp(2.5rem,6.2vw,4.5rem);
  line-height:1.05;
  margin:0;
  max-width:15ch;
}

h2{
  font-size:clamp(1.55rem,2.8vw,2.15rem);
  line-height:1.15;
  margin:0 0 22px;
}

h3{
  font-size:1.2rem;
  line-height:1.3;
  margin:34px 0 12px;
}

p{margin:0 0 20px;}
p:last-child{margin-bottom:0;}

.num{
  display:block;
  font-family:var(--sans);
  font-size:13px;
  letter-spacing:.16em;
  color:var(--accent2);
  margin-bottom:14px;
}
.band--dark .num{color:#c9b79b;}

.caption{
  font-size:13px;
  line-height:1.6;
  color:var(--muted);
  margin:14px 0 0;
  max-width:52ch;
}
.band--dark .caption{color:#c9b79b;}

.lead{font-size:19px;line-height:1.75;}

ul,ol{margin:0 0 20px;padding-left:0;list-style:none;}

.list li{
  position:relative;
  padding-left:26px;
  margin-bottom:12px;
}
.list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.78em;
  width:11px;
  height:2px;
  background:var(--accent);
}

.list--num{counter-reset:step;}
.list--num li{padding-left:38px;}
.list--num li::before{
  counter-increment:step;
  content:counter(step,decimal-leading-zero);
  background:none;
  top:0;
  width:auto;
  height:auto;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--accent2);
}
.band--dark .list--num li::before{color:#d8b98e;}
.band--dark .list li::before{background:#d8b98e;}

.list--links li a{color:inherit;}
.list--links li a:hover{color:var(--accent);}

/* ---------- hero: tři vodorovné vrstvy ---------- */

.hero{background:var(--bg);}

.hero__nav{background:var(--bg);padding:18px 0;}
.hero__title{background:var(--bg-alt);padding:110px 0 46px;}
.hero__lede{background:var(--bg-deep);padding:56px 0 64px;}

.hero__title .wrap{align-items:end;}
.hero__title h1{grid-column:1 / span 9;}

.hero__lede .intro{grid-column:1 / span 6;}
.hero__lede .topics{grid-column:8 / span 5;}

.topics h2{font-size:1.05rem;font-family:var(--sans);letter-spacing:.02em;margin-bottom:16px;color:var(--muted);}

/* ---------- navigace ---------- */

.nav{
  grid-column:1 / -1;
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:10px 28px;
}

.nav__brand{
  font-family:var(--serif);
  font-size:1.32rem;
  letter-spacing:.02em;
  color:var(--ink);
  text-decoration:none;
  margin-right:auto;
}
.nav__brand:hover{color:var(--accent);}

.nav a:not(.nav__brand){
  font-size:14.5px;
  color:var(--muted);
  text-decoration:none;
  padding-bottom:2px;
  border-bottom:1px solid transparent;
}
.nav a:not(.nav__brand):hover{color:var(--ink);border-bottom-color:var(--accent);}
.nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--accent);}

/* ---------- obrazy ---------- */

.figure-main{
  grid-column:4 / span 9;
  margin:0;
}
.figure-main img{width:100%;}

.split{align-items:start;}
.split__text{grid-column:2 / span 6;min-width:0;}
.split__fig{grid-column:9 / span 4;margin:0;}
.split__fig img{width:100%;}

/* ---------- kontakt ---------- */

.contact-mail{
  font-family:var(--serif);
  font-size:clamp(1.3rem,2.6vw,1.85rem);
  display:inline-block;
  margin-top:6px;
}

/* ---------- patička ---------- */

.footer{
  background:var(--dark);
  color:var(--bg);
  padding:72px 0 60px;
  margin:0;
}

.footer__name{
  grid-column:1 / -1;
  font-family:var(--serif);
  font-size:clamp(2.4rem,9vw,6rem);
  line-height:1;
  margin:0 0 54px;
  letter-spacing:-.02em;
}

.footer__col{grid-column:span 4;min-width:0;}
.footer__col + .footer__col{grid-column:span 4;}

.footer__col h2{
  font-family:var(--sans);
  font-size:13px;
  letter-spacing:.16em;
  color:#c9b79b;
  margin:0 0 14px;
  padding-top:14px;
  border-top:2px solid var(--accent);
  display:inline-block;
  min-width:56px;
}

.footer__col ul li{margin-bottom:9px;}
.footer__col a{color:var(--bg);text-decoration:none;border-bottom:1px solid rgba(246,240,230,.35);}
.footer__col a:hover{border-bottom-color:var(--accent);color:#f0d7b4;}
.footer__col p{font-size:15px;line-height:1.7;color:#e0d2bd;}

/* ---------- textové stránky ---------- */

.page-head{background:var(--bg-alt);padding:96px 0 52px;}
.page-head h1{grid-column:1 / span 8;font-size:clamp(2.1rem,5vw,3.5rem);}
.page-head .num{grid-column:1 / -1;}

/* ---------- responsivita ---------- */

@media (max-width:1024px){
  :root{--pad-x:36px;--pad-y:68px;}
  .figure-main{grid-column:3 / span 10;}
  .split__text{grid-column:1 / span 7;}
  .split__fig{grid-column:9 / span 4;}
  .hero__lede .intro{grid-column:1 / span 7;}
  .hero__lede .topics{grid-column:9 / span 4;}
  .col{grid-column:calc(1 + var(--step,0)) / span 8;}
  .hero__title h1{grid-column:1 / span 11;}
}

@media (max-width:760px){
  :root{--pad-x:22px;--pad-y:52px;}
  body{font-size:16.5px;}
  .wrap{column-gap:0;grid-template-columns:1fr;}
  .col,
  .hero__title h1,
  .hero__lede .intro,
  .hero__lede .topics,
  .figure-main,
  .split__text,
  .split__fig,
  .footer__col,
  .footer__name,
  .page-head h1,
  .page-head .num{grid-column:1 / -1;}
  .col{--step:0;}
  .hero__title{padding:64px 0 34px;}
  .hero__lede .topics{margin-top:34px;}
  .split__fig{margin-top:36px;max-width:420px;}
  .footer__col{margin-bottom:34px;}
  .footer__col:last-child{margin-bottom:0;}
  .footer__name{margin-bottom:40px;}
  .nav{gap:10px 20px;}
  .nav__brand{flex:1 0 100%;margin-bottom:6px;}
  h1{max-width:none;}
}