:root{
--ink:#170b06;
--umber:#2d190f;
--clay:#b15d3c;
--sand:#b0977c;
--stone:#bbaf9e;
--paper:#f6f2ea;
--paper-dim:#efe8db;
--line: rgba(23,11,6,0.14);
--line-dark: rgba(246,242,234,0.16);
--maxw: 1180px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
margin:0;
background:var(--paper);
color:var(--ink);
font-family:'Noto Sans', sans-serif;
font-weight:400;
line-height:1.6;
-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
font-family:'Noto Sans', sans-serif;
margin:0;
color:var(--ink);
letter-spacing:-0.01em;
}
p{margin:0 0 1.1em 0; max-width:64ch;}
a{color:inherit;}
img{max-width:100%; display:block;}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 28px;}
::selection{background:var(--clay); color:var(--paper);}

/* ---------- NAV ---------- */
header.site-nav{
position:sticky; top:0; z-index:50;
background:rgba(23,11,6,0.94);
backdrop-filter: blur(6px);
border-bottom:1px solid var(--line-dark);
color:var(--paper);
}
.nav-inner{
max-width:var(--maxw); margin:0 auto; padding:0 28px;
display:flex; align-items:center; justify-content:space-between;
height:64px;
}
.brand{
display:flex; align-items:center; gap:10px;
font-weight:700; font-size:15px; letter-spacing:0.02em;
text-decoration:none; color:var(--paper);
flex-shrink:0;
}
.brand svg{width:26px; height:26px; flex-shrink:0;}
nav.links{
display:flex; gap:2px; overflow-x:auto; scrollbar-width:none;
}
nav.links::-webkit-scrollbar{display:none;}
nav.links a{
text-decoration:none; color:var(--stone);
font-size:13.5px; white-space:nowrap;
padding:10px 12px; border-bottom:2px solid transparent;
transition:color .15s ease, border-color .15s ease;
}
nav.links a .n{color:var(--clay); font-weight:600; margin-right:6px;}
nav.links a:hover, nav.links a.active{color:var(--paper); border-color:var(--clay);}
.nav-toggle{display:none;}

/* ---------- HERO ---------- */
.hero{
position:relative;
background:
    linear-gradient(100deg, rgba(23,11,6,0.92) 0%, rgba(23,11,6,0.8) 32%, rgba(23,11,6,0.45) 58%, rgba(23,11,6,0.18) 100%),
    linear-gradient(rgba(23,11,6,0.05), rgba(23,11,6,0.45)),
    url('../img/cova-dones/200A5480.jpg') center 62% / cover no-repeat,
    var(--ink);
color:var(--paper);
overflow:hidden;
padding:96px 0 64px;
}
.hero .wrap{position:relative; z-index:2;}
.hero svg.karst{
position:absolute; inset:0; width:100%; height:100%;
opacity:0.18; z-index:1;
}
.hero-eyebrow{
color:var(--clay); font-weight:600; font-size:14px;
margin:0 0 18px 0; letter-spacing:0.02em;
}
.hero h1{
font-size:clamp(48px, 9vw, 108px);
font-weight:300;
line-height:0.94;
margin:0 0 22px 0;
color: #fff;
}
.hero h1 em{font-style:normal; color:var(--clay); font-weight:600;}
.hero p.lede{
color:var(--stone); font-size:19px; max-width:52ch; margin-bottom:40px;
}
.stat-strip{
display:grid; grid-template-columns:repeat(4, 1fr);
border-top:1px solid var(--line-dark);
margin-top:16px;
background:rgba(23,11,6,0.55);
backdrop-filter:blur(2px);
}
.stat{padding:22px 20px 0 20px; border-right:1px solid var(--line-dark);}
.stat:last-child{border-right:none;}
.stat .num{font-size:clamp(26px,3.4vw,38px); font-weight:700; color:var(--paper); display:block;}
.stat .lab{font-size:13px; color:var(--stone); margin-top:4px; display:block; max-width:20ch;}

/* ---------- SECTIONS ---------- */
section.block{padding:96px 0;}
section.block.alt{background:var(--paper-dim);}
section.block.dark{background:var(--umber); color:var(--paper);}
section.block.dark p{color:var(--stone);}
section.block.dark h2{color:var(--paper);}

.kicker{
display:flex; align-items:baseline; gap:14px;
margin-bottom:36px;
}
.kicker .idx{
font-size:15px; font-weight:700; color:var(--clay);
border:1px solid var(--clay); border-radius:999px;
width:34px; height:34px; display:flex; align-items:center; justify-content:center;
flex-shrink:0;
}
.kicker h2{font-size:clamp(28px,4vw,40px); font-weight:700;}

.cols{display:grid; grid-template-columns:1.15fr 0.85fr; gap:56px; align-items:start;}
.cols.reverse{grid-template-columns:0.85fr 1.15fr;}
.cols.reverse .plate-col{order:-1;}

.subhead{
font-style:italic; font-weight:600; font-size:21px;
color:var(--clay); margin:44px 0 16px 0;
}
blockquote{
margin:28px 0; padding:2px 0 2px 22px;
border-left:3px solid var(--clay);
font-size:20px; font-style:italic; font-weight:400;
color:var(--umber);
}
section.block.dark blockquote{color:var(--paper); border-left-color:var(--clay);}
blockquote cite{display:block; font-style:normal; font-size:13px; color:var(--sand); margin-top:8px;}

/* ---------- PLATE (photo figure) ---------- */
.plate-photo{
border:1px solid var(--line);
background:var(--paper-dim);
overflow:hidden;
}
section.block.dark .plate-photo{border-color:var(--line-dark); background:rgba(246,242,234,0.04);}
.plate-photo img{width:100%; height:260px; object-fit:cover; display:block;}
.plate-photo figcaption{
padding:14px 16px; font-style:italic; font-size:14px; color:var(--umber);
}
section.block.dark .plate-photo figcaption{color:var(--stone);}
.plate-photo + .plate-photo{margin-top:18px;}
.plate-col .plate-photo.wide img{height:340px;}
.plate-photo.logo{background:var(--paper);}
.plate-photo.logo img{height:180px; object-fit:contain; padding:28px;}

/* ---------- STAT CARDS ---------- */
.fact-row{display:grid; grid-template-columns:repeat(3, 1fr); gap:1px; background:var(--line); margin:40px 0; border:1px solid var(--line);}
.fact{background:var(--paper); padding:26px 22px;}
section.block.alt .fact{background:var(--paper-dim);}
.fact .num{font-size:30px; font-weight:700; color:var(--clay); display:block;}
.fact .lab{font-size:13.5px; color:var(--umber); margin-top:6px; display:block;}

/* ---------- TIMELINE ---------- */
.timeline{position:relative; margin-top:44px; padding-left:26px; border-left:2px solid var(--line);}
.tl-item{position:relative; padding-bottom:40px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
content:''; position:absolute; left:-32px; top:4px;
width:11px; height:11px; border-radius:50%;
background:var(--clay); border:2px solid var(--paper);
}
.tl-item .year{font-weight:700; color:var(--clay); font-size:15px; display:block; margin-bottom:6px;}
.tl-item h4{font-size:18px; font-weight:600; margin-bottom:8px;}
.tl-item p{font-size:15.5px;}

/* ---------- DONARQ PROJECT CARDS ---------- */
.proj-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line-dark); margin-top:36px; border:1px solid var(--line-dark);}
.proj{background:var(--umber); padding:26px;}
.proj .code{font-size:12px; color:var(--sand); letter-spacing:0.03em;}
.proj h4{font-size:18px; margin:6px 0 10px; color:var(--paper);}
.proj p{font-size:14.5px; color:var(--stone); margin-bottom:8px;}
.proj .meta{font-size:13px; color:var(--sand);}
.proj .meta strong{color:var(--paper); font-weight:600;}

/* ---------- TEAM ---------- */
.pi-row{display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:36px;}
.pi-card{border:1px solid var(--line); padding:24px; background:var(--paper);}
.avatar{
width:48px; height:48px; border-radius:50%;
background:var(--clay); color:var(--paper);
display:flex; align-items:center; justify-content:center;
font-weight:700; font-size:16px; margin-bottom:16px;
}
.pi-card h4{font-size:17px; margin-bottom:4px;}
.pi-card .role{font-size:13.5px; color:var(--clay); font-weight:600; margin-bottom:6px;}
.pi-card .inst{font-size:13.5px; color:var(--umber); opacity:0.75;}

.team-grid{
display:grid; grid-template-columns:repeat(3,1fr); gap:0;
margin-top:44px; border-top:1px solid var(--line); border-left:1px solid var(--line);
}
.team-cell{
border-right:1px solid var(--line); border-bottom:1px solid var(--line);
padding:18px 20px; display:flex; gap:12px; align-items:flex-start;
}
.team-cell .initials{
width:32px; height:32px; border-radius:50%; flex-shrink:0;
background:var(--stone); color:var(--umber);
display:flex; align-items:center; justify-content:center;
font-size:12px; font-weight:700;
}
.team-cell .name{font-size:14.5px; font-weight:600;}
.team-cell .spec{font-size:12.5px; color:var(--clay); margin-top:2px;}
.team-cell .uni{font-size:12px; opacity:0.7; margin-top:2px;}

/* ---------- ACTUALIDAD / EMPTY STATE ---------- */
.empty-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line-dark); margin-top:40px; border:1px solid var(--line-dark);}
.empty-card{background:var(--umber); padding:32px 26px;}
.empty-card svg{width:28px; height:28px; color:var(--clay); margin-bottom:18px;}
.empty-card h4{color:var(--paper); font-size:18px; margin-bottom:10px;}
.empty-card p{color:var(--stone); font-size:14.5px; margin-bottom:0;}
.empty-card .status{
display:inline-block; margin-top:16px; font-size:12px;
color:var(--clay); font-weight:600; font-style:italic;
}

/* ---------- FOOTER ---------- */
footer{background:var(--ink); color:var(--stone); padding:56px 0 36px;}
footer .cols-f{display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:40px; margin-bottom:40px;}
footer h5{color:var(--paper); font-size:13px; font-weight:700; letter-spacing:0.03em; margin-bottom:14px;}
footer p, footer li{font-size:13.5px; color:var(--stone); line-height:1.8;}
footer ul{list-style:none; padding:0; margin:0;}
footer .bottom{
border-top:1px solid var(--line-dark); padding-top:24px;
display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
font-size:12.5px; color:var(--sand);
}

/* ---------- FOOTER LOGO STRIP ---------- */
.logo-strip{
background:var(--paper); border-radius:4px;
display:flex; flex-wrap:wrap; align-items:center; justify-content:space-around;
gap:36px; padding:28px 24px; margin-bottom:32px;
}
.logo-strip img{
height:42px; width:auto; max-width:140px;
object-fit:contain; display:block;
filter:grayscale(1) opacity(0.72);
transition:filter .2s ease;
}
.logo-strip img:hover{filter:grayscale(0) opacity(1);}

@media (max-width: 860px){
.cols, .cols.reverse{grid-template-columns:1fr;}
.cols.reverse .plate-col{order:0;}
.stat-strip{grid-template-columns:repeat(2,1fr);}
.stat:nth-child(2){border-right:none;}
.fact-row{grid-template-columns:1fr;}
.proj-grid{grid-template-columns:1fr;}
.pi-row{grid-template-columns:1fr;}
.team-grid{grid-template-columns:1fr;}
.empty-grid{grid-template-columns:1fr;}
footer .cols-f{grid-template-columns:1fr;}
nav.links{display:none;}
.nav-toggle{
    display:flex; background:none; border:1px solid var(--line-dark);
    color:var(--paper); padding:8px 12px; font-size:13px; border-radius:4px;
    align-items:center; gap:6px; font-family:inherit; cursor:pointer;
}
header.site-nav.open nav.links{
    display:flex; flex-direction:column; position:absolute; left:0; right:0; top:64px;
    background:var(--ink); padding:8px 28px 20px; border-bottom:1px solid var(--line-dark);
}
header.site-nav.open nav.links a{padding:12px 0; border-bottom:1px solid var(--line-dark);}
}


.fullwidth p{
    max-width: 100%;
}