/* =========================================================
   WATER EPI Lab — site stylesheet
   Loaded after the flatly theme; overrides it.
   Type pairing echoes the logo:
     wordmark → Libre Baskerville (heavy book serif, Century-like)
     tagline  → Jost (geometric sans, Century Gothic-like)
   ========================================================= */
@import url('https://fonts.googleapis.com/css2?family=Jost:ital,wght@0,400;0,500;0,600;1,400&family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&display=swap');

:root{
  --paper:#F6F7F5;   /* page */
  --mist:#E8EEF1;    /* alternate band */
  --card:#FFFFFF;
  --ink:#15212C;     /* text, footer */
  --mute:#56616C;
  --line:#D6DDE2;
  --tide:#1F5A7A;    /* links, accents */
  --river:#3F8EA6;
  --shallow:#A9CFD9;
  --sediment:#B8782F;
  --serif:'Libre Baskerville','Century Schoolbook',Georgia,serif;
  --sans:'Jost','Century Gothic','Avenir Next',Avenir,'Helvetica Neue',Arial,sans-serif;
  --measure:720px;
}

/* ---------- base ---------- */
html{scroll-behavior:smooth;font-size:16px;overflow-x:hidden}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17.5px;
  line-height:1.7;
  padding-top:71px !important;
  padding-bottom:0 !important;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
.main-container{max-width:980px;padding:0 24px;margin:0 auto}
p,li{color:var(--ink)}
b,strong{font-weight:600}
a{color:var(--tide);text-decoration:underline;text-decoration-color:rgba(31,90,122,.35);text-underline-offset:3px;text-decoration-thickness:1px;transition:color .15s,text-decoration-color .15s}
a:hover,a:focus{color:var(--sediment);text-decoration-color:currentColor}
hr{border-top:1px solid var(--line)}
img{max-width:100%;height:auto}

h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);font-weight:700;letter-spacing:-.01em}
h1{font-size:2.6rem;line-height:1.15;margin:0 0 .4em}
h2{font-size:1.9rem;line-height:1.2;margin:2.2em 0 .7em}
h3{font-size:1.3rem;line-height:1.3;margin:1.8em 0 .5em}
h4{font-family:var(--sans);font-weight:600;font-size:.82rem;text-transform:uppercase;letter-spacing:.14em;color:var(--mute);margin:2em 0 .6em}
.section h1,.section h2,.section h3,.section h4,.section h5,.section h6{padding-top:0 !important}
.section h1{margin-top:0 !important}
.section h2{margin-top:2.2em !important}
.section h3{margin-top:1.8em !important}
.section h4{margin-top:2em !important}
.main-container h1,.main-container h2,.main-container h3,.main-container h4{scroll-margin-top:90px}
.section.level2:first-child>h2,.section.level3:first-child>h3,.pillar h3,.step h3,.pi h3,.project h2{margin-top:0 !important}

/* page title from YAML */
.title.toc-ignore{display:none}

/* ---------- navbar ---------- */
.navbar-default{
  background:rgba(246,247,245,.92);
  -webkit-backdrop-filter:saturate(140%) blur(10px);backdrop-filter:saturate(140%) blur(10px);
  border:0;border-bottom:1px solid var(--line);
  min-height:68px;
  position:fixed;top:0;left:0;right:0;z-index:1030;margin:0;
}
.navbar-default:after{ /* water-tone stripe */
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;
  background:linear-gradient(90deg,var(--ink) 0 20%,var(--tide) 20% 40%,var(--river) 40% 60%,var(--shallow) 60% 80%,var(--sediment) 80% 100%);
}
.navbar-default .navbar-brand{
  font-family:var(--serif);font-weight:700;font-size:1.35rem;color:var(--ink);
  height:68px;line-height:36px;letter-spacing:-.01em;
}
.navbar-default .navbar-brand:hover{color:var(--tide)}
.navbar-default .navbar-nav>li>a{
  font-family:var(--sans);font-weight:500;font-size:.95rem;color:var(--ink);
  padding-top:24px;padding-bottom:22px;text-decoration:none;position:relative;
}
.navbar-default .navbar-nav>li>a:after{
  content:"";position:absolute;left:15px;right:15px;bottom:16px;height:2px;
  background:var(--river);transform:scaleX(0);transform-origin:left;transition:transform .2s;
}
.navbar-default .navbar-nav>li>a:hover,.navbar-default .navbar-nav>li>a:focus{color:var(--tide);background:transparent}
.navbar-default .navbar-nav>li>a:hover:after,.navbar-default .navbar-nav>.active>a:after{transform:scaleX(1)}
.navbar-default .navbar-nav>.active>a,.navbar-default .navbar-nav>.active>a:hover,.navbar-default .navbar-nav>.active>a:focus{background:transparent;color:var(--tide)}
.navbar-default .navbar-toggle{border-color:var(--line);margin-top:17px}
.navbar-default .navbar-toggle .icon-bar{background:var(--ink)}
.navbar-default .navbar-toggle:hover,.navbar-default .navbar-toggle:focus{background:var(--mist)}
.navbar-default .navbar-collapse{border-color:var(--line)}

/* ---------- full-bleed bands ---------- */
.band{
  margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);
  padding:72px max(24px,calc(50vw - 490px));
}
.band > *{max-width:980px;margin-left:auto;margin-right:auto}
.band-mist{background:var(--mist)}
.band-ink{background:var(--ink);color:#E9EEF1}
.band-ink p,.band-ink h2,.band-ink h3{color:#F6F7F5}
.band-ink a{color:var(--shallow);text-decoration-color:rgba(169,207,217,.4)}
.band-ink a:hover{color:#fff}

/* ---------- page headers ---------- */
.page-head{padding:72px 0 28px;border-bottom:1px solid var(--line);margin-bottom:48px}
.page-head h1{margin:0}
.eyebrow{
  font-family:var(--sans);font-weight:600;font-size:.8rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--river);margin:0 0 14px;
}
.lede{font-size:1.2rem;line-height:1.6;color:var(--mute);max-width:var(--measure);margin-top:18px}

/* ---------- home hero ---------- */
.hero{text-align:center;padding:88px 0 40px}
.hero .logo{width:min(780px,100%);display:block;margin:0 auto}
.hero .tag{font-size:1.15rem;color:var(--mute);max-width:640px;margin:34px auto 0;line-height:1.6}
.hero-photo{margin:28px 0 0}
.hero-photo img{width:100%;border-radius:4px;box-shadow:0 20px 50px -24px rgba(21,33,44,.45)}
.hero-photo figcaption,.caption,figcaption{font-size:.85rem;color:var(--mute);margin-top:10px}

.prose{max-width:var(--measure)}
.prose p{margin-bottom:1.1em}

.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px;margin-top:36px}
.pillar{border-top:3px solid var(--river);padding-top:16px}
.pillar:nth-child(2){border-color:var(--tide)}
.pillar:nth-child(3){border-color:var(--sediment)}
.pillar h3{margin:0 0 .4em;font-size:1.1rem}
.pillar p{margin:0;color:var(--mute);font-size:1rem;line-height:1.6}

blockquote,.oath{
  border:0;margin:0;padding:0;
  font-family:var(--serif);font-style:italic;font-size:1.2rem;line-height:1.55;
  max-width:640px;
}
.oath a{color:inherit;text-decoration:underline;text-decoration-color:rgba(169,207,217,.5);text-underline-offset:3px}
.oath a:hover{color:var(--shallow)}
.oath .src{display:block;font-family:var(--sans);font-style:normal;font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;margin-top:18px;opacity:.75}

/* ---------- buttons ---------- */
.btn-water,a.btn-water{
  display:inline-block;font-family:var(--sans);font-weight:500;font-size:.95rem;
  padding:11px 22px;border-radius:999px;background:var(--tide);color:#fff;text-decoration:none;
  transition:background .15s,transform .15s;
}
.btn-water:hover,.btn-water:focus{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-water.btn-ghost{background:transparent;color:var(--tide);box-shadow:inset 0 0 0 1.5px var(--tide)}
.btn-water.btn-ghost:hover{background:var(--tide);color:#fff}

/* ---------- research projects ---------- */
.project{display:grid;grid-template-columns:72px minmax(0,1fr);gap:8px 28px;padding:48px 0;border-top:1px solid var(--line)}
.page-head + .project{border-top:0;padding-top:0}
.project .num{font-family:var(--serif);font-weight:700;font-size:2.4rem;line-height:1;color:var(--shallow)}
.project h2{margin:0 0 .5em;font-size:1.6rem}
.project figure{margin:26px 0 0}
.project figure img{border-radius:4px;background:#fff}
.callout{
  background:var(--card);border-left:4px solid var(--sediment);
  padding:18px 22px;margin:22px 0;border-radius:0 4px 4px 0;font-weight:500;
}
/* one horizontal row; each photo's flex share = its aspect ratio, so all share one height */
.photo-row{margin-top:24px}
.photo-row,.photo-row>p{display:flex;gap:10px;align-items:flex-start;margin-bottom:0}
.photo-row>p{width:100%}
.photo-row img{display:block;min-width:0;width:100%;height:auto;border-radius:4px}
.photo-row img:nth-child(1){flex:0.75}
.photo-row img:nth-child(2){flex:0.746}
.photo-row img:nth-child(3){flex:1.333}
.photo-row img:nth-child(4){flex:0.75}
@media (max-width:640px){
  .project{grid-template-columns:minmax(0,1fr)}
  .photo-row>p{gap:6px}
}

/* ---------- team ---------- */
.pi{display:grid;grid-template-columns:1fr;gap:0;background:var(--card);border:1px solid var(--line);border-radius:6px;padding:32px 36px;margin-bottom:48px}
.pi h3{margin:0 0 .3em;font-size:1.5rem}
.role{font-family:var(--sans);font-weight:600;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--river)}
.people{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;margin:0 0 40px;padding:0;list-style:none}
.people li{
  background:var(--card);border:1px solid var(--line);border-radius:6px;
  padding:16px 18px;line-height:1.45;border-top:3px solid var(--shallow);
}
.people li .name{display:block;font-weight:600;font-size:1.02rem}
.people li .what{display:block;color:var(--mute);font-size:.92rem;margin-top:3px}
.people.alumni li{border-top-color:var(--line);background:transparent}

/* ---------- publications ---------- */
.pubs{list-style:none;padding:0;margin:0;counter-reset:pub}
.pubs li{
  position:relative;padding:22px 0 22px 64px;border-top:1px solid var(--line);
  font-size:.97rem;line-height:1.6;color:var(--mute);
}
.pubs li:before{
  counter-increment:pub;content:counter(pub,decimal-leading-zero);
  position:absolute;left:0;top:22px;font-family:var(--serif);font-weight:700;font-size:1.25rem;color:var(--shallow);
}
.pubs li a:first-child{font-family:var(--serif);font-size:1.05rem;line-height:1.5;color:var(--ink);text-decoration:none}
.pubs li a:first-child:hover{color:var(--tide)}
.pubs li em,.pubs li i{color:var(--ink)}
.media-list{display:flex;flex-wrap:wrap;gap:10px;margin:0;padding:0;list-style:none}
.media-list a{
  display:inline-block;padding:7px 16px;border-radius:999px;background:var(--card);
  border:1px solid var(--line);color:var(--ink);text-decoration:none;font-size:.93rem;
}
.media-list a:hover{border-color:var(--tide);color:var(--tide)}

/* ---------- dashboard ---------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px;margin-top:10px}
.step{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:24px}
.step h3{margin:0 0 .5em;font-size:1.15rem}
.step p{font-size:.98rem;line-height:1.6;color:var(--mute);margin:0}
.shot{margin:36px 0 0}
.shot img{width:100%;border-radius:6px;box-shadow:0 20px 50px -26px rgba(21,33,44,.5)}

/* ---------- contact ---------- */
.contact-card{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;background:var(--card);border:1px solid var(--line);border-radius:6px;padding:40px}
.contact-card h3{margin:0 0 .4em;font-size:1.5rem}
.contact-card address{font-style:normal;color:var(--mute);line-height:1.7;margin:0}
@media (max-width:720px){.contact-card{grid-template-columns:1fr;padding:28px}}

/* ---------- footer ---------- */
.site-footer{
  position:relative;margin-top:96px;background:var(--ink);color:#C9D3DA;
  margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);
  padding:72px max(24px,calc(50vw - 490px)) 40px;font-size:.95rem;line-height:1.65;
}
.site-footer:before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--ink) 0 20%,var(--tide) 20% 40%,var(--river) 40% 60%,var(--shallow) 60% 80%,var(--sediment) 80% 100%);
}
.site-footer .inner{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;max-width:980px;margin:0 auto;align-items:start}
.site-footer .flogo{width:340px;max-width:100%;filter:invert(1);opacity:.95}
.site-footer h4{color:var(--shallow);margin:0 0 12px}
.site-footer p{color:#C9D3DA;margin:0}
.site-footer a{color:#F6F7F5;text-decoration-color:rgba(255,255,255,.35)}
.site-footer a:hover{color:var(--shallow)}
.site-footer .icons{margin-top:22px;display:flex;gap:12px}
.site-footer .icons a{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.25);color:#F6F7F5;text-decoration:none;font-size:18px;transition:all .15s;
}
.site-footer .icons a:hover{background:var(--shallow);color:var(--ink);border-color:var(--shallow)}
.site-footer .fine{max-width:980px;margin:48px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:.82rem;color:#8C9AA5}
@media (max-width:720px){.site-footer .inner{grid-template-columns:1fr;gap:32px}}

/* ---------- small screens ---------- */
@media (max-width:767px){
  body{font-size:16.5px}
  h1{font-size:2rem}
  h2{font-size:1.55rem}
  .hero{padding-top:48px}
  .page-head{padding-top:44px}
  .band{padding-top:52px;padding-bottom:52px}
  .oath{font-size:1.1rem}
  .navbar-default .navbar-nav>li>a{padding-top:12px;padding-bottom:12px}
  .navbar-default .navbar-nav>li>a:after{display:none}
}
.pubs ol{list-style:none !important;padding:0;margin:0}
.pubs ol>li{list-style:none !important}
.media-list p{display:flex;flex-wrap:wrap;gap:10px;margin:0}

.eyebrow + .section > h2,.eyebrow + .section > h1{margin-top:0 !important}
.project h2 a{color:inherit;text-decoration-color:var(--shallow)}
h1,h2,h3{overflow-wrap:break-word}
.pubs li:first-child{border-top:0;padding-top:0}
.pubs li:first-child:before{top:0}