/* =========================================================
   Milestones in Microbiology — stylesheet
   ========================================================= */

:root{
  --bg:#070a12;
  --bg-2:#0b1020;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.075);
  --line:rgba(255,255,255,.11);
  --text:#e8edf7;
  --muted:#98a5bd;
  --dim:#6c7a94;
  --accent:#22d3ee;
  --accent-2:#a78bfa;
  --radius:18px;
  --sans:'Space Grotesk',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
  --serif:'Spectral',Georgia,'Times New Roman',serif;
  --shadow:0 24px 60px -20px rgba(0,0,0,.85);
}

*{box-sizing:border-box}
/* The hidden attribute must always win over any display rule below. */
[hidden]{display:none !important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  line-height:1.6;
  overflow-x:hidden;
  background-image:
    radial-gradient(900px 600px at 12% -8%, rgba(34,211,238,.10), transparent 60%),
    radial-gradient(900px 700px at 92% 6%, rgba(167,139,250,.10), transparent 60%);
  background-attachment:fixed;
}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
::selection{background:rgba(34,211,238,.32)}

/* ---------- scroll progress ---------- */
.scroll-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:90;background:rgba(255,255,255,.05)}
.scroll-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent-2));box-shadow:0 0 14px rgba(34,211,238,.7);transition:width .1s linear}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:grid;place-items:center;padding:6rem 1.5rem 5rem;text-align:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.hero-bg canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.62}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;animation:drift 22s ease-in-out infinite}
.orb-1{width:460px;height:460px;background:#0891b2;top:-8%;left:-6%}
.orb-2{width:400px;height:400px;background:#7c3aed;bottom:-12%;right:-4%;animation-delay:-7s}
.orb-3{width:320px;height:320px;background:#0e7490;top:38%;left:56%;animation-delay:-14s}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(30px,-40px) scale(1.12)}}

.hero-inner{position:relative;max-width:820px;animation:riseIn 1s cubic-bezier(.2,.7,.3,1) both}
@keyframes riseIn{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
.eyebrow{margin:0 0 1.1rem;font-size:.74rem;letter-spacing:.28em;text-transform:uppercase;color:var(--accent);font-weight:600}
.hero h1{margin:0;font-size:clamp(2.9rem,9vw,5.6rem);line-height:1.02;font-weight:700;letter-spacing:-.03em}
.grad{background:linear-gradient(100deg,var(--accent),var(--accent-2) 55%,#f0abfc);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin:1.6rem auto 0;max-width:640px;font-family:var(--serif);font-size:clamp(1.02rem,2.1vw,1.22rem);color:var(--muted);line-height:1.75}

.hero-stats{display:flex;gap:2.6rem;justify-content:center;flex-wrap:wrap;margin:2.6rem 0 2.4rem}
.hero-stats div{display:flex;flex-direction:column;gap:.15rem}
.hero-stats strong{font-size:1.5rem;font-weight:600;color:var(--text)}
.hero-stats span{font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--dim)}

.cta{display:inline-flex;align-items:center;gap:.6rem;padding:.9rem 1.8rem;border-radius:999px;text-decoration:none;font-weight:600;font-size:.95rem;color:#04121a;background:linear-gradient(100deg,var(--accent),#67e8f9);box-shadow:0 12px 40px -10px rgba(34,211,238,.65);transition:transform .25s,box-shadow .25s}
.cta:hover{transform:translateY(-3px);box-shadow:0 18px 50px -10px rgba(34,211,238,.85)}
.cta svg{animation:bob 1.9s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(4px)}}

/* ---------- generic sections ---------- */
.section-title{font-size:clamp(1.6rem,4vw,2.3rem);font-weight:600;letter-spacing:-.02em;margin:0 0 .6rem;text-align:center}
.section-lead{margin:0 auto 2.4rem;max-width:640px;text-align:center;color:var(--muted);font-family:var(--serif);font-size:1.02rem}

.eras{max-width:1160px;margin:0 auto;padding:5rem 1.5rem 3rem}
.era-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:1.1rem}
.era-card{position:relative;padding:1.5rem 1.4rem 1.6rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);overflow:hidden;transition:transform .3s,border-color .3s,background .3s}
.era-card:hover{transform:translateY(-4px);background:var(--panel-2)}
.era-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--c)}
.era-card .era-span{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--c);font-weight:600}
.era-card h3{margin:.5rem 0 .55rem;font-size:1.1rem;font-weight:600}
.era-card p{margin:0;font-size:.9rem;color:var(--muted);line-height:1.65}

/* ---------- controls ---------- */
.controls{position:sticky;top:0;z-index:60;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);background:rgba(7,10,18,.82);border-block:1px solid var(--line)}
.controls-inner{max-width:1160px;margin:0 auto;padding:.85rem 1.5rem;display:flex;align-items:center;gap:.9rem;flex-wrap:wrap}
.search-wrap{position:relative;display:flex;align-items:center;flex:1 1 250px;max-width:340px}
.search-wrap svg{position:absolute;left:.85rem;color:var(--dim);pointer-events:none}
.search-wrap input{width:100%;padding:.62rem 2.2rem .62rem 2.5rem;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--text);font-size:.88rem;outline:none;transition:border-color .2s,background .2s}
.search-wrap input::placeholder{color:var(--dim)}
.search-wrap input:focus{border-color:var(--accent);background:rgba(34,211,238,.07)}
.clear{position:absolute;right:.6rem;border:0;background:transparent;color:var(--dim);font-size:1.25rem;line-height:1;padding:.1rem .35rem;border-radius:50%}
.clear:hover{color:var(--text)}

.chips{display:flex;gap:.45rem;flex-wrap:wrap;flex:1 1 auto}
.chip{padding:.45rem .95rem;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--muted);font-size:.79rem;font-weight:500;white-space:nowrap;transition:all .22s}
.chip:hover{color:var(--text);border-color:rgba(255,255,255,.25)}
.chip[aria-pressed="true"]{background:var(--c,var(--accent));border-color:transparent;color:#06121a;font-weight:600}
.result-count{margin:0;font-size:.75rem;color:var(--dim);white-space:nowrap}

/* ---------- timeline ---------- */
.timeline{position:relative;max-width:1160px;margin:0 auto;padding:4rem 1.5rem 5rem}
.spine{position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-50%);background:linear-gradient(180deg,transparent,var(--line) 6%,var(--line) 94%,transparent)}
.spine span{position:absolute;top:0;left:0;width:100%;height:0;background:linear-gradient(180deg,var(--accent),var(--accent-2));box-shadow:0 0 16px rgba(34,211,238,.55)}

.entry{position:relative;display:grid;grid-template-columns:1fr 88px 1fr;align-items:center;margin-bottom:2.6rem;opacity:0;transform:translateY(34px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.entry.in{opacity:1;transform:none}
.entry.hide{display:none}

.node{grid-column:2;display:grid;place-items:center;position:relative;z-index:2}
.node b{width:15px;height:15px;border-radius:50%;background:var(--bg);border:2px solid var(--c);box-shadow:0 0 0 5px rgba(7,10,18,.95),0 0 18px var(--c);transition:transform .3s}
.entry:hover .node b{transform:scale(1.45)}
.entry.milestone .node b{width:19px;height:19px;background:var(--c)}
.node .yr{position:absolute;top:calc(50% + 18px);font-size:.68rem;letter-spacing:.1em;color:var(--dim);white-space:nowrap;font-variant-numeric:tabular-nums}

.card{grid-column:1;grid-row:1;margin-right:2.2rem;text-align:right}
.entry:nth-child(even) .card{grid-column:3;margin-right:0;margin-left:2.2rem;text-align:left}

.card-inner{position:relative;width:100%;text-align:inherit;display:block;padding:1.35rem 1.4rem;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.02));color:inherit;overflow:hidden;transition:transform .32s cubic-bezier(.2,.7,.3,1),border-color .32s,box-shadow .32s}
.card-inner:hover,.card-inner:focus-visible{transform:translateY(-5px);border-color:color-mix(in srgb,var(--c) 55%,transparent);box-shadow:var(--shadow),0 0 0 1px color-mix(in srgb,var(--c) 25%,transparent);outline:none}
.card-inner::after{content:'';position:absolute;inset:0;border-radius:var(--radius);background:radial-gradient(420px 180px at var(--mx,50%) var(--my,0%),color-mix(in srgb,var(--c) 16%,transparent),transparent 70%);opacity:0;transition:opacity .35s;pointer-events:none}
.card-inner:hover::after{opacity:1}

.card-head{display:flex;align-items:center;gap:.9rem}
.entry:nth-child(odd) .card-head{flex-direction:row-reverse}
.avatar{width:60px;height:60px;flex:0 0 60px;border-radius:14px;object-fit:cover;object-position:center top;border:1px solid var(--line);background:rgba(255,255,255,.05)}
.card h3{margin:0;font-size:1.06rem;font-weight:600;letter-spacing:-.01em;line-height:1.3}
.card .life{margin:.1rem 0 0;font-size:.75rem;color:var(--dim);font-variant-numeric:tabular-nums}
.card .role{margin:.85rem 0 0;font-size:.78rem;letter-spacing:.03em;color:var(--c);font-weight:500}
.card .tag{margin:.4rem 0 0;font-family:var(--serif);font-style:italic;font-size:.97rem;color:var(--muted);line-height:1.55}
.readmore{margin-top:.95rem;display:inline-flex;align-items:center;gap:.4rem;font-size:.76rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--c);opacity:.85}
.badge{position:absolute;top:.85rem;font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;padding:.2rem .5rem;border-radius:5px;background:color-mix(in srgb,var(--c) 20%,transparent);color:var(--c)}
.entry:nth-child(odd) .badge{left:.9rem}
.entry:nth-child(even) .badge{right:.9rem}

.no-results{text-align:center;color:var(--muted);padding:3rem 0;font-family:var(--serif)}
.no-results button{background:none;border:0;color:var(--accent);text-decoration:underline;font-size:inherit}

/* ---------- closing / credits ---------- */
.closing{max-width:760px;margin:0 auto;padding:3rem 1.5rem 4rem;text-align:center}
.closing p{font-family:var(--serif);color:var(--muted);font-size:1.05rem;line-height:1.85}
.closing-note{color:var(--accent) !important;font-style:italic;margin-top:1.6rem}

.credits{max-width:860px;margin:0 auto;padding:3rem 1.5rem 3.5rem;border-top:1px solid var(--line)}
.credits .section-lead{margin-bottom:1.5rem;font-size:.95rem}

.credit-details{border:1px solid var(--line);border-radius:14px;background:var(--panel);overflow:hidden}
.credit-details summary{padding:.8rem 1.1rem;cursor:pointer;font-size:.82rem;font-weight:500;color:var(--muted);list-style:none;display:flex;align-items:center;gap:.4rem;transition:color .2s}
.credit-details summary::-webkit-details-marker{display:none}
.credit-details summary::before{content:'+';font-size:.95rem;color:var(--accent);width:.8rem}
.credit-details[open] summary::before{content:'\2013'}
.credit-details summary:hover{color:var(--text)}
.credit-details summary span{color:var(--dim);font-variant-numeric:tabular-nums}

.credit-list{margin:0;padding:0 1.1rem 1rem;list-style:none;columns:2;column-gap:1.8rem}
.credit-item{break-inside:avoid;padding:.4rem 0;border-top:1px solid var(--line);font-size:.75rem;line-height:1.5}
.credit-item strong{color:var(--text);font-weight:600;margin-right:.35rem}
.credit-item a{color:var(--muted);text-decoration:none}
.credit-item a:hover{color:var(--accent);text-decoration:underline}
.credit-item .none{color:var(--dim);font-style:italic}
.lic{margin-left:.4rem;font-size:.63rem;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);white-space:nowrap}
@media (max-width:660px){ .credit-list{columns:1} }

.footer{text-align:center;padding:2.5rem 1.5rem 3.5rem;border-top:1px solid var(--line);font-size:.85rem}
.footer p{margin:.25rem 0}
.footer .muted{color:var(--dim);font-size:.78rem}
.back-top{display:inline-block;margin-top:1rem;color:var(--accent);text-decoration:none;font-size:.8rem}
.back-top:hover{text-decoration:underline}

.licence{max-width:620px;margin:1.6rem auto 0 !important;padding-top:1.3rem;border-top:1px solid var(--line);font-size:.8rem;line-height:2;color:var(--muted)}
.licence a{color:var(--accent);text-decoration:none}
.licence a:hover{text-decoration:underline}
.cc-badge{display:inline-flex;gap:3px;vertical-align:-4px;margin-left:.45rem}
.cc-badge span{display:grid;place-items:center;width:19px;height:19px;border-radius:50%;border:1.5px solid var(--muted);color:var(--muted);font-size:.52rem;font-weight:700;letter-spacing:0;line-height:1;transition:.2s}
.cc-badge:hover span{border-color:var(--accent);color:var(--accent)}

/* ---------- modal ---------- */
.modal-backdrop{position:fixed;inset:0;z-index:100;background:rgba(3,6,12,.8);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:grid;place-items:center;padding:1.2rem;animation:fadeIn .25s ease both}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{position:relative;width:min(880px,100%);max-height:88svh;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:22px;background:linear-gradient(165deg,#0e1526,#080c17);box-shadow:var(--shadow);animation:pop .35s cubic-bezier(.2,.8,.3,1) both;overflow:hidden}
@keyframes pop{from{opacity:0;transform:translateY(24px) scale(.97)}to{opacity:1;transform:none}}
.modal-close{position:absolute;top:.85rem;right:1rem;z-index:5;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:rgba(10,15,26,.75);color:var(--muted);font-size:1.35rem;line-height:1;display:grid;place-items:center;transition:.2s}
.modal-close:hover{color:var(--text);background:rgba(255,255,255,.1)}
.modal-scroll{overflow-y:auto;padding:0 0 1.4rem}

.m-banner{position:relative;padding:2.1rem 2rem 1.5rem;border-bottom:1px solid var(--line);background:linear-gradient(120deg,color-mix(in srgb,var(--c) 16%,transparent),transparent 65%)}
.m-banner-row{display:flex;gap:1.4rem;align-items:flex-start;flex-wrap:wrap}
.m-portrait{width:132px;height:168px;flex:0 0 132px;border-radius:14px;object-fit:cover;object-position:center top;border:1px solid var(--line);box-shadow:0 14px 34px -14px rgba(0,0,0,.9)}
.m-headtext{flex:1 1 260px;min-width:0}
.m-year{display:inline-block;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;font-weight:700;color:var(--c);margin-bottom:.5rem}
.m-banner h2{margin:0;font-size:clamp(1.5rem,4vw,2.05rem);font-weight:600;letter-spacing:-.02em;line-height:1.15}
.m-meta{margin:.5rem 0 0;font-size:.83rem;color:var(--muted)}
.m-tag{margin:.85rem 0 0;font-family:var(--serif);font-style:italic;font-size:1.02rem;color:var(--text);opacity:.92}

.m-body{padding:1.7rem 2rem 0}
.m-body h4{margin:1.9rem 0 .7rem;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--c);font-weight:700}
.m-body h4:first-child{margin-top:0}
.m-body p{margin:0;font-family:var(--serif);color:var(--muted);line-height:1.85;font-size:1rem}
.m-body ul{margin:0;padding:0;list-style:none;display:grid;gap:.7rem}
.m-body li{position:relative;padding-left:1.5rem;font-family:var(--serif);color:var(--muted);line-height:1.75;font-size:.98rem}
.m-body li::before{content:'';position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--c);opacity:.85}
.why{padding:1.15rem 1.3rem;border-radius:14px;border:1px solid color-mix(in srgb,var(--c) 30%,transparent);background:color-mix(in srgb,var(--c) 8%,transparent)}
.why p{color:var(--text);opacity:.95}
.kw{display:flex;flex-wrap:wrap;gap:.4rem}
.kw span{font-size:.72rem;padding:.28rem .65rem;border-radius:999px;border:1px solid var(--line);color:var(--muted);background:rgba(255,255,255,.04)}
.m-credit{margin-top:1.9rem;padding-top:1.1rem;border-top:1px solid var(--line);font-size:.73rem;color:var(--dim);line-height:1.6}
.m-credit a{color:var(--muted)}

.modal-nav{display:flex;gap:.6rem;padding:.9rem 1.4rem;border-top:1px solid var(--line);background:rgba(7,10,18,.6)}
.modal-nav button{flex:1;padding:.6rem .8rem;border-radius:11px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--muted);font-size:.79rem;font-weight:500;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:.2s}
.modal-nav button:hover:not(:disabled){color:var(--text);border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.08)}
.modal-nav button:disabled{opacity:.3;cursor:not-allowed}
body.locked{overflow:hidden}

/* ---------- responsive ---------- */
@media (max-width:820px){
  .timeline{padding-inline:1.1rem}
  .spine{left:19px}
  .entry{grid-template-columns:38px 1fr;gap:0;margin-bottom:1.9rem}
  .node{grid-column:1;justify-self:start}
  .node .yr{left:0;top:calc(50% + 16px)}
  .card,.entry:nth-child(even) .card{grid-column:2;grid-row:1;margin:0 0 0 .9rem;text-align:left}
  .entry:nth-child(odd) .card-head{flex-direction:row}
  .entry:nth-child(odd) .badge,.entry:nth-child(even) .badge{left:auto;right:.9rem}
  .m-banner,.m-body{padding-inline:1.3rem}
  .m-portrait{width:96px;height:122px;flex-basis:96px}
  .controls-inner{padding:.7rem 1.1rem;gap:.6rem}
  .result-count{display:none}
  .hero-stats{gap:1.8rem}
}
@media (max-width:420px){
  .avatar{width:48px;height:48px;flex-basis:48px}
  .chips{gap:.35rem}
  .chip{padding:.38rem .7rem;font-size:.72rem}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .entry{opacity:1;transform:none}
}

@media print{
  .controls,.scroll-progress,.hero-bg,.cta,.modal-backdrop{display:none !important}
  body{background:#fff;color:#000}
  .entry{opacity:1;transform:none;page-break-inside:avoid}
}