/* SET 2027 website
   Layout: a Mondrian-style grid of cells separated by dark-blue lines.
   Palette: SSA teal and mist, TU Delft cyan and dark blue. */
:root{
  --teal:#00535f;
  --mist:#b7d2d8;
  --cyan:#00a6d6;
  --navy:#0c2340;
  --paper:#ffffff;
  --mute:#5a6b72;
  --line:6px;
  --f-disp:"Roboto Slab",Rockwell,Georgia,serif;
  --f-cond:"Roboto Condensed","Arial Narrow",Arial,sans-serif;
  --f-body:"Roboto",Arial,Helvetica,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{background:#e9ecee}
body{margin:0;background:#e9ecee;color:var(--navy);font-family:var(--f-body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:var(--teal)}
a:focus-visible,button:focus-visible{outline:3px solid var(--cyan);outline-offset:2px}

.page{max-width:76rem;margin:0 auto;padding-left:max(12px,env(safe-area-inset-left,0px));padding-right:max(12px,env(safe-area-inset-right,0px));padding-block:12px 32px}
.grid{display:grid;gap:var(--line);background:var(--navy);border:var(--line) solid var(--navy);grid-template-columns:1.7fr .9fr 1fr}
.cell{background:var(--paper);padding:1.4rem;min-width:0}
.full{grid-column:1/-1}
.span2{grid-column:span 2}
.teal{background:var(--teal);color:#fff}
.cyan{background:var(--cyan);color:#fff}
.mist{background:var(--mist);color:var(--navy)}
.navyc{background:var(--navy);color:#fff}
.teal a,.cyan a,.navyc a{color:#fff}

/* labels and type */
.k{font:700 .72rem var(--f-cond);letter-spacing:.14em;text-transform:uppercase}
.k.c{color:var(--cyan)}
.v{font:700 1.9rem/1.05 var(--f-disp);margin-top:.3rem}
h1,h2,h3{font-family:var(--f-disp);text-wrap:balance;margin:0}
h1{font-weight:900;font-size:clamp(2rem,4.6vw,3.5rem);line-height:.98;letter-spacing:-.02em;color:var(--teal)}
h1 span{color:var(--navy)}
h2{font-weight:700;font-size:clamp(1.4rem,2.6vw,1.9rem);line-height:1.1;color:var(--teal)}
h3{font-weight:700;font-size:1.2rem;line-height:1.15}
p{margin:0 0 .8rem}
p:last-child{margin-bottom:0}
.lede{font-size:1.05rem;max-width:38rem;margin-top:1rem}
.prose>*{max-width:44rem}
.prose h2{margin:1.6rem 0 .6rem}
.prose h2:first-child{margin-top:0}
.prose ul,.prose ol{padding-left:1.2rem;margin:0 0 .9rem}
.prose li{margin-bottom:.35rem}
.small{font-size:.85rem;color:var(--mute)}
.teal .small,.cyan .small,.navyc .small{color:var(--mist)}

/* masthead: name + Delft skyline */
.mast{padding:0}
.mast .name-block{padding:1.4rem 1.4rem 0;display:flex;flex-direction:column;gap:.35rem}
.mast .name{font:900 clamp(1.4rem,3.6vw,2.4rem)/1.05 var(--f-disp);color:var(--teal);letter-spacing:-.01em;text-decoration:none;text-wrap:balance}
.mast .name span{color:var(--cyan)}
.mast .host{font:700 .8rem var(--f-cond);letter-spacing:.12em;text-transform:uppercase}
.mast svg{display:block;width:100%;height:auto}
.mast .sky{fill:var(--paper)}.mast .sil{fill:var(--navy)}.mast .water{fill:var(--mist)}.mast .refl{fill:var(--navy);opacity:.18}.mast .win{fill:var(--cyan)}

/* nav */
.nav{display:flex;flex-wrap:wrap;gap:.4rem 1.4rem;align-items:center;padding-block:1rem}
.nav .home{font:900 1.35rem var(--f-disp);color:var(--teal);margin-right:auto;text-decoration:none}
.nav a.link{font:700 .82rem var(--f-cond);text-transform:uppercase;letter-spacing:.06em;color:var(--navy);text-decoration:none;border-bottom:3px solid transparent;padding-bottom:2px}
.nav a.link:hover{border-bottom-color:var(--mist)}
.nav a.link[aria-current="page"]{border-bottom-color:var(--cyan)}

/* buttons */
.btn{display:inline-block;background:var(--teal);color:#fff;padding:.7rem 1rem;font:700 .85rem var(--f-cond);text-transform:uppercase;letter-spacing:.06em;text-decoration:none;border:0}
.btn:hover{background:var(--navy)}
.btn.inv{background:#fff;color:var(--teal)}
.btn.inv:hover{background:var(--mist)}
.btn.pending{background:var(--mist);color:var(--navy);cursor:default}

/* hero */
.hero h1{margin-top:.4rem;font-size:clamp(1.55rem,2.8vw,2.25rem);line-height:1.1;letter-spacing:-.01em}
.photo{margin:0;padding:0;position:relative;min-height:22rem}
.photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 30%}
.photo figcaption{position:absolute;right:0;bottom:0;background:#0c2340cc;color:#fff;font-size:.65rem;padding:.2rem .45rem}
.photo figcaption a{color:#fff}

/* stepped-gable house cell */
.gable{background:var(--navy);padding:0;display:flex}
.house{flex:1;background-color:var(--teal);color:#fff;padding:7.6rem 1.4rem 1.4rem;display:flex;flex-direction:column;justify-content:flex-end;gap:1rem;position:relative;
  background-image:linear-gradient(90deg,#ffffff1f 2px,transparent 2px),linear-gradient(#ffffff1f 2px,transparent 2px);background-size:46px 46px;background-position:-2px -2px;
  clip-path:polygon(0 100%,0 104px,14% 104px,14% 78px,26% 78px,26% 52px,38% 52px,38% 26px,44% 26px,44% 0,56% 0,56% 26px,62% 26px,62% 52px,74% 52px,74% 78px,86% 78px,86% 104px,100% 104px,100% 100%)}
.house::before{content:"";position:absolute;left:50%;top:34px;width:28px;height:40px;transform:translateX(-50%);background:var(--mist);opacity:.55}
.house>*{position:relative}
.house .k{color:var(--mist)}
.house .btn{align-self:flex-start}

/* day cards */
.day h3{margin:.35rem 0 .45rem}
.day p{font-size:.92rem}
.day a.more{display:inline-block;margin-top:.6rem;font:700 .78rem var(--f-cond);text-transform:uppercase;letter-spacing:.06em}

/* figures */
.fig{margin:0;padding:0}
.fig img{display:block;width:100%;height:auto}
.fig figcaption{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.2rem 1rem;padding:.55rem 1rem;font-size:.72rem;color:var(--mute);border-top:1px solid var(--mist)}
.fig figcaption a{color:inherit}

/* programme */
.slots{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.slot{display:grid;grid-template-columns:3.4rem 1fr;gap:.8rem;padding:.6rem 0;border-top:1px solid var(--mist)}
.slot:first-child{border-top:0}
.slot time{font:700 .82rem var(--f-cond);font-variant-numeric:tabular-nums;padding-top:.15rem;color:var(--mute)}
.slot .t{font:700 1rem/1.25 var(--f-disp)}
.slot .s{font-size:.86rem;color:var(--mute);margin-top:.15rem}
.slot.brk .t{font:400 .92rem var(--f-body);color:var(--mute)}
.slot.key .t{color:var(--teal)}
.dayhead{display:flex;flex-direction:column;gap:.3rem}

/* facts list */
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(12rem,1fr));gap:1.2rem 1.6rem}
.facts div{min-width:0}

/* people */
.people{display:grid;grid-template-columns:repeat(auto-fill,minmax(14rem,1fr));gap:var(--line);background:var(--navy)}
.person{background:var(--paper);padding:1.1rem;display:flex;gap:.9rem;align-items:center;min-width:0}
.avatar{flex:none;width:3.2rem;height:3.2rem;display:grid;place-items:center;font:700 1.05rem var(--f-disp);color:#fff;background:var(--teal)}
.person:nth-child(4n+2) .avatar{background:var(--cyan)}
.person:nth-child(4n+3) .avatar{background:var(--mist);color:var(--navy)}
.person:nth-child(4n+4) .avatar{background:var(--navy)}
.person .nm{font:700 1rem/1.2 var(--f-disp)}
.person .rl{font-size:.82rem;color:var(--mute)}

/* sponsors footer */
.spon{display:grid;grid-template-columns:auto 1fr;gap:1.2rem 2rem;align-items:center}
.spon .k{color:var(--mute)}
.logos{display:flex;flex-wrap:wrap;gap:1rem 2.2rem;align-items:center}
.logos img{height:52px;width:auto}
.slot-logo{border:2px dashed var(--mist);color:var(--mute);font:400 .8rem var(--f-cond);padding:.8rem 1.1rem;text-transform:uppercase;letter-spacing:.08em}
.slot-logo a{color:var(--teal);font-weight:700}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.4rem 1.4rem;font-size:.8rem;color:var(--mute)}
.foot a{color:var(--mute)}

.tbc{display:inline-block;font:700 .66rem var(--f-cond);letter-spacing:.1em;text-transform:uppercase;background:var(--mist);color:var(--navy);padding:.1rem .4rem;vertical-align:middle}

@media (max-width:800px){
  .grid{grid-template-columns:1fr}
  .span2,.full{grid-column:auto}
  .photo{min-height:0;aspect-ratio:4/3}
  .spon{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.grid.even{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:800px){.grid.even{grid-template-columns:1fr}}
/* text mark for TU Delft until the official logo file is added */
.org-text{display:flex;flex-direction:column;line-height:1.05;text-decoration:none;color:var(--navy);font:400 .8rem var(--f-body);border-left:6px solid var(--cyan);padding-left:.6rem}
.org-text span{font:900 1.45rem var(--f-disp);color:var(--cyan)}
/* home hero: gable house above a geothermal doublet cross-section */
.house.geo{padding-bottom:0}
.house.geo .btn{margin-bottom:1.2rem}
.subsurface{display:block;width:calc(100% + 2.8rem);margin:0 -1.4rem;height:auto;position:relative}
/* masthead with SET logo */
.mast .name-block.with-logo{flex-direction:row;align-items:center;gap:1rem 2rem;flex-wrap:wrap}
.mast .logo{flex:none;display:block}
.mast .logo img{display:block;height:clamp(110px,16vw,190px);width:auto}
.mast .mast-text{display:flex;flex-direction:column;gap:.35rem;min-width:0;flex:1 1 18rem}
.mast .host.when{color:var(--teal)}