/* ============ Alec Christie — Environmental Teal / Style C ============ */
:root{
  --bg:#08130f;        /* deep forest green */
  --bg2:#0b1a14;
  --panel:#0e2019;
  --text:#e6f0ea;
  --muted:#8ba79a;
  --faint:#5f7a6d;
  --accent:#2fd6a0;    /* bright teal-green */
  --accent2:#7fe9b0;   /* mint */
  --accent3:#1f9e8f;   /* deep teal */
  --line:#1e3329;
  --line2:#284439;
  --panel-bg:rgba(14,32,25,.4);
  --panel-bg-hover:rgba(14,32,25,.7);
  --stat-bg:rgba(14,32,25,.5);
  --nav-bg:rgba(8,19,15,.78);
  --maxw:1180px;
  --pad:clamp(24px,6vw,80px);
}

/* ---------- Light theme ---------- */
[data-theme="light"]{
  --bg:#f2f6f1;        /* pale sage */
  --bg2:#e8efe7;
  --panel:#ffffff;
  --text:#0d2820;      /* deep teal-green text */
  --muted:#4a6559;
  --faint:#7f978b;
  --accent:#0f8f6b;    /* deep teal-green (accessible on light) */
  --accent2:#0b7a5a;   /* darker teal for readable "mint" role */
  --accent3:#1f9e8f;
  --line:#d3e0d6;
  --line2:#c0d3c4;
  --panel-bg:rgba(255,255,255,.6);
  --panel-bg-hover:rgba(255,255,255,.95);
  --stat-bg:rgba(255,255,255,.7);
  --nav-bg:rgba(242,246,241,.82);
}
[data-theme="light"] .grad{background:linear-gradient(100deg,#1f9e8f,#0f8f6b,#0b7a5a);-webkit-background-clip:text;background-clip:text;color:transparent}
[data-theme="light"] .g-role.pi{background:#0f8f6b;color:#ffffff}
[data-theme="light"] .g-role.coi{background:rgba(15,143,107,.14);color:#0b7a5a;border:1px solid #0f8f6b}
[data-theme="light"] .about-photo img{filter:none}
[data-theme="light"] body::after{background:radial-gradient(900px 620px at 82% -5%,rgba(15,143,107,.07),transparent 60%),radial-gradient(760px 520px at -5% 100%,rgba(31,158,143,.08),transparent 55%)}

/* ---------- Theme toggle ---------- */
.theme-toggle{background:none;border:1px solid var(--line2);border-radius:8px;width:38px;height:38px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--muted);transition:.2s;flex-shrink:0}
.theme-toggle:hover{border-color:var(--accent);color:var(--accent)}
.theme-toggle svg{width:18px;height:18px}
.theme-toggle .icon-moon{display:none}
.theme-toggle .icon-sun{display:block}
[data-theme="light"] .theme-toggle .icon-moon{display:block}
[data-theme="light"] .theme-toggle .icon-sun{display:none}
.nav-right{display:flex;align-items:center;gap:20px}
#mobile-menu .theme-toggle{margin-top:20px;width:44px;height:44px}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:'Outfit',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.55;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
b,strong{font-weight:600}
i,em{font-style:italic}

/* Animated background canvas */
#bg{position:fixed;inset:0;z-index:0;pointer-events:none}
body::after{content:'';position:fixed;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(900px 620px at 82% -5%,rgba(47,214,160,.08),transparent 60%),
             radial-gradient(760px 520px at -5% 100%,rgba(31,158,143,.10),transparent 55%)}

/* ---------- Nav ---------- */
#nav{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;justify-content:space-between;align-items:center;
  padding:18px var(--pad);transition:background .3s,backdrop-filter .3s,border-color .3s;border-bottom:1px solid transparent}
#nav.scrolled{background:var(--nav-bg);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{font-family:'Familjen Grotesk',sans-serif;font-weight:700;font-size:20px;letter-spacing:-.01em;display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--text)}
.brand svg{color:var(--accent)}
.brand b{color:var(--accent)}
#nav nav{display:flex;gap:26px}
#nav nav a{color:var(--muted);text-decoration:none;font-size:15px;transition:color .2s;position:relative}
#nav nav a:hover{color:var(--text)}
#nav nav a::after{content:'';position:absolute;left:0;bottom:-4px;width:0;height:1.5px;background:var(--accent);transition:width .25s}
#nav nav a:hover::after{width:100%}
#menu-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
#menu-btn span{width:24px;height:2px;background:var(--text);transition:.3s}
#mobile-menu{display:none;position:fixed;top:0;left:0;right:0;z-index:19;background:var(--bg);backdrop-filter:blur(14px);
  flex-direction:column;padding:80px var(--pad) 32px;gap:4px;transform:translateY(-100%);transition:transform .35s;border-bottom:1px solid var(--line)}
#mobile-menu.open{transform:translateY(0)}
#mobile-menu a{color:var(--text);text-decoration:none;font-family:'Familjen Grotesk',sans-serif;font-size:24px;padding:12px 0;border-bottom:1px solid var(--line)}

/* ---------- Hero ---------- */
.hero{position:relative;z-index:3;min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:120px var(--pad) 80px;max-width:var(--maxw);margin:0 auto}
.hero-inner{max-width:1000px}
.eyebrow{font-family:'Spline Sans Mono',monospace;font-size:13px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent2);margin-bottom:26px;display:flex;align-items:center;gap:12px}
.eyebrow::before{content:'';width:44px;height:1px;background:var(--accent2)}
h1{font-family:'Familjen Grotesk',sans-serif;font-weight:700;font-size:clamp(52px,10vw,138px);line-height:.9;letter-spacing:-.03em;margin-bottom:30px}
.grad{background:linear-gradient(100deg,var(--accent3),var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(20px,2.6vw,32px);font-weight:300;line-height:1.32;max-width:24ch;margin-bottom:36px}
.lead b{color:var(--accent);font-weight:500}
.role{font-family:'Familjen Grotesk',sans-serif;font-weight:600;font-size:19px}
.affil{font-family:'Spline Sans Mono',monospace;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:6px}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.chip{font-family:'Spline Sans Mono',monospace;font-size:12px;letter-spacing:.05em;text-transform:uppercase;padding:11px 17px;border:1px solid var(--line2);border-radius:8px;color:var(--muted);text-decoration:none;transition:.2s}
.chip:hover{border-color:var(--accent);color:var(--accent);background:rgba(47,214,160,.08);transform:translateY(-2px)}
.scroll-cue{position:absolute;bottom:34px;left:var(--pad);font-family:'Spline Sans Mono',monospace;font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--faint);display:flex;align-items:center;gap:10px}
.scroll-cue span{width:1px;height:34px;background:linear-gradient(var(--accent),transparent);display:block;animation:cue 2s infinite}
@keyframes cue{0%{opacity:.3;transform:scaleY(.4)}50%{opacity:1;transform:scaleY(1)}100%{opacity:.3;transform:scaleY(.4)}}

/* ---------- Sections ---------- */
.section{position:relative;z-index:3;max-width:var(--maxw);margin:0 auto;padding:clamp(70px,10vw,120px) var(--pad);border-top:1px solid var(--line)}
.section-head{display:flex;align-items:baseline;gap:18px;margin-bottom:48px}
.sec-num{font-family:'Spline Sans Mono',monospace;font-size:14px;color:var(--accent);letter-spacing:.1em}
h2{font-family:'Familjen Grotesk',sans-serif;font-weight:700;font-size:clamp(30px,5vw,52px);letter-spacing:-.02em;line-height:1}
.sec-intro{color:var(--muted);font-size:17px;margin-bottom:40px;max-width:70ch}
.sec-intro b{color:var(--text)}
.sec-intro a{color:var(--accent);text-decoration:none;border-bottom:1px solid var(--line2)}
.sec-intro a:hover{border-color:var(--accent)}
.star{color:var(--accent)}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:300px 1fr;gap:clamp(30px,5vw,64px);align-items:start}
.about-photo{position:relative}
.about-photo img{border-radius:14px;border:1px solid var(--line2);filter:saturate(1.05)}
.about-photo::before{content:'';position:absolute;inset:-10px;border:1px solid var(--accent3);border-radius:18px;opacity:.35;z-index:-1}
.about-text .big{font-family:'Familjen Grotesk',sans-serif;font-size:clamp(21px,2.6vw,28px);font-weight:500;line-height:1.35;margin-bottom:22px;letter-spacing:-.01em}
.about-text .big b{color:var(--accent)}
.about-text p{color:var(--muted);margin-bottom:18px;max-width:64ch}
.about-text p b{color:var(--text)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:34px 0 8px}
.stat{border:1px solid var(--line);border-radius:12px;padding:18px 16px;background:var(--stat-bg)}
.stat-num{display:block;font-family:'Familjen Grotesk',sans-serif;font-size:clamp(24px,3vw,34px);font-weight:700;color:var(--accent2);letter-spacing:-.02em}
.stat-label{font-family:'Spline Sans Mono',monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.edu{margin-top:34px}
.edu h3{font-family:'Spline Sans Mono',monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.edu ul{list-style:none}
.edu li{padding:10px 0;border-top:1px solid var(--line);color:var(--muted)}
.edu li b{color:var(--text)}

/* ---------- Timeline ---------- */
.timeline{display:flex;flex-direction:column;gap:0}
.tl-item{display:grid;grid-template-columns:180px 1fr;gap:32px;padding:28px 0;border-top:1px solid var(--line);position:relative}
.tl-item:hover .tl-body h3{color:var(--accent2)}
.tl-when{font-family:'Spline Sans Mono',monospace;font-size:13px;color:var(--accent);letter-spacing:.04em;padding-top:4px}
.tl-body h3{font-family:'Familjen Grotesk',sans-serif;font-size:22px;font-weight:600;margin-bottom:4px;transition:color .2s}
.tl-org{color:var(--accent2);font-size:15px;margin-bottom:10px}
.tl-body p:last-child{color:var(--muted);max-width:70ch}

/* ---------- Publications ---------- */
.pubs{list-style:none;counter-reset:none}
.pubs li{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:16px 0;border-top:1px solid var(--line);align-items:baseline;transition:.2s}
.pubs li:hover{background:rgba(47,214,160,.03)}
.pubs li[data-lead] .pnum{color:var(--accent);border-color:var(--accent3)}
.pnum{font-family:'Spline Sans Mono',monospace;font-size:13px;color:var(--faint);border:1px solid var(--line2);border-radius:6px;padding:4px 0;text-align:center;width:38px}
.pubs li span:last-child{color:var(--muted);font-size:15.5px}
.pubs li b{color:var(--text);font-weight:500}
.pubs li i{color:var(--accent2);font-style:italic}
.pubs li[data-lead] b::after{content:' *';color:var(--accent);font-weight:700}

/* ---------- Grants ---------- */
.grants{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.grant{display:grid;grid-template-columns:64px 1fr;gap:16px;border:1px solid var(--line);border-radius:12px;padding:20px;background:var(--panel-bg);transition:.2s}
.grant:hover{border-color:var(--line2);transform:translateY(-2px);background:var(--panel-bg-hover)}
.g-year{font-family:'Spline Sans Mono',monospace;font-size:13px;color:var(--accent);padding-top:3px}
.g-body h3{font-family:'Familjen Grotesk',sans-serif;font-size:17px;font-weight:600;margin-bottom:6px;line-height:1.25;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.g-role{font-family:'Spline Sans Mono',monospace;font-size:10px;letter-spacing:.08em;padding:3px 8px;border-radius:5px}
.g-role.pi{background:var(--accent);color:#042018}
.g-role.coi{background:rgba(31,158,143,.25);color:var(--accent2);border:1px solid var(--accent3)}
.g-body p{color:var(--muted);font-size:14px;margin-bottom:10px}
.g-amt{font-family:'Spline Sans Mono',monospace;font-size:12px;color:var(--accent2);letter-spacing:.04em}

/* ---------- Talks ---------- */
.talks-cols{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,56px)}
.talks-head{font-family:'Spline Sans Mono',monospace;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid var(--line2)}
.talks{list-style:none}
.talks li{padding:14px 0;border-top:1px solid var(--line);color:var(--muted);font-size:15px}
.talks li:first-child{border-top:none}
.talks li b{color:var(--text);font-weight:500}
.t-meta{font-family:'Spline Sans Mono',monospace;font-size:11px;color:var(--accent2);letter-spacing:.05em;margin-left:8px;white-space:nowrap}

/* ---------- Roles ---------- */
.roles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.role-card{border:1px solid var(--line);border-radius:12px;padding:24px;background:var(--panel-bg);transition:.2s}
.role-card:hover{border-color:var(--accent3);background:var(--panel-bg-hover)}
.role-card h3{font-family:'Familjen Grotesk',sans-serif;font-size:16px;font-weight:600;color:var(--accent2);margin-bottom:14px}
.role-card ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.role-card li{color:var(--muted);font-size:14px;line-height:1.4;padding-left:16px;position:relative}
.role-card li::before{content:'';position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--accent)}
.role-card li i{color:var(--text)}

/* ---------- Media ---------- */
.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:48px}
.media-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:12px;padding:24px;text-decoration:none;background:var(--panel-bg);transition:.25s;min-height:180px}
.media-card:hover{border-color:var(--accent);transform:translateY(-4px);background:var(--panel-bg-hover)}
.m-src{font-family:'Spline Sans Mono',monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.media-card h3{font-family:'Familjen Grotesk',sans-serif;font-size:19px;font-weight:600;line-height:1.25;color:var(--text);flex:1}
.m-go{font-family:'Spline Sans Mono',monospace;font-size:13px;color:var(--accent2);margin-top:18px}
.beyond{border:1px solid var(--line);border-radius:12px;padding:28px;background:var(--panel-bg)}
.beyond h3{font-family:'Spline Sans Mono',monospace;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.beyond p{color:var(--muted);max-width:70ch}
.beyond i{color:var(--text)}

/* ---------- Footer ---------- */
#contact{position:relative;z-index:3;border-top:1px solid var(--line);padding:clamp(70px,10vw,120px) var(--pad) 60px;max-width:var(--maxw);margin:0 auto}
.foot-eyebrow{font-family:'Spline Sans Mono',monospace;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent2);margin-bottom:18px}
#contact h2{max-width:16ch;margin-bottom:30px}
.copyright{font-family:'Spline Sans Mono',monospace;font-size:12px;color:var(--faint);margin-top:40px;letter-spacing:.03em}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:860px){
  #nav nav{display:none}
  #menu-btn{display:flex}
  #mobile-menu{display:flex}
  .about-grid{grid-template-columns:1fr}
  .about-photo{max-width:260px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .tl-item{grid-template-columns:1fr;gap:8px}
  .grants{grid-template-columns:1fr}
  .talks-cols{grid-template-columns:1fr}
  .roles-grid{grid-template-columns:1fr}
  .media-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .stats{grid-template-columns:1fr 1fr}
  .chip{font-size:11px;padding:9px 13px}
  .pubs li{grid-template-columns:34px 1fr;gap:10px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important}
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- Photography ---------- */
.photo-intro{max-width:640px;color:var(--muted);font-size:16px;line-height:1.7;margin:0 0 34px}
.photo-grid{columns:3;column-gap:18px}
.photo{break-inside:avoid;margin:0 0 18px;position:relative;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--bg2);cursor:zoom-in;display:block}
.photo img{display:block;width:100%;height:auto;transition:transform .6s cubic-bezier(.22,1,.36,1),filter .4s}
.photo:hover img{transform:scale(1.04)}
.photo figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;font-family:'Spline Sans Mono',monospace;font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:#fff;background:linear-gradient(to top,rgba(4,14,10,.82),rgba(4,14,10,0));opacity:0;transform:translateY(6px);transition:opacity .35s,transform .35s}
.photo:hover figcaption,.photo:focus-within figcaption{opacity:1;transform:none}
@media(max-width:860px){.photo-grid{columns:2}}
@media(max-width:480px){.photo-grid{columns:1}}

/* ---------- Lightbox ---------- */
#lightbox{position:fixed;inset:0;z-index:1000;display:none;align-items:center;justify-content:center;background:rgba(3,11,8,.94);padding:24px}
#lightbox.open{display:flex}
#lb-figure{margin:0;max-width:92vw;max-height:90vh;display:flex;flex-direction:column;align-items:center;gap:14px}
#lb-img{max-width:92vw;max-height:80vh;width:auto;height:auto;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
#lb-cap{font-family:'Spline Sans Mono',monospace;font-size:13px;letter-spacing:.03em;color:#cfe6da;text-align:center;max-width:640px}
#lightbox button{position:absolute;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#fff;cursor:pointer;border-radius:50%;transition:background .2s,transform .2s}
#lightbox button:hover{background:rgba(47,214,160,.25);transform:scale(1.08)}
#lb-close{top:22px;right:22px;width:46px;height:46px;font-size:26px;line-height:1}
#lb-prev,#lb-next{top:50%;transform:translateY(-50%);width:52px;height:52px;font-size:30px;line-height:1}
#lb-prev{left:22px}#lb-next{right:22px}
#lb-prev:hover,#lb-next:hover{transform:translateY(-50%) scale(1.08)}
@media(max-width:860px){#lb-prev,#lb-next{width:44px;height:44px;font-size:24px}}

/* Beyond research — personal photos */
.beyond-photos{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
  margin-top:20px;
}
.beyond-photo{
  margin:0;
  border-radius:12px;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg2);
}
.beyond-photo img{
  display:block;
  width:100%;
  height:200px;
  object-fit:cover;
  transition:transform .4s ease;
}
.beyond-photo:hover img{transform:scale(1.05)}
.beyond-photo figcaption{
  font-family:'Spline Sans Mono',monospace;
  font-size:11px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--muted);
  padding:8px 10px;
  text-align:center;
}
@media (max-width:860px){
  .beyond-photos{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:480px){
  .beyond-photos{grid-template-columns:1fr}
  .beyond-photo img{height:240px}
}