/* ============================================================
   microbiome.css — Jardin Bioluminescent
   Palette : #050f09 forêt nuit | #2dd4bf turquoise biolum. | #d946ef violet spore | #a3e635 vert microbe
   Polices  : Playfair Display (display botaniste) + Nunito (corps) + DM Mono
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400;1,700&family=Nunito:wght@400;600;700&family=DM+Mono:wght@400;500&display=swap');

:root {
  --forest:  #050f09;
  --forest2: #081508;
  --forest3: #0e1f12;
  --card:    #071009;
  --border:  #122518;
  --border2: #193620;
  --teal:    #2dd4bf;
  --teal2:   #14b8a6;
  --violet:  #d946ef;
  --violet2: #c026d3;
  --lime:    #a3e635;
  --lime2:   #84cc16;
  --amber:   #fb923c;
  --blue:    #60a5fa;
  --text:    #7ab890;
  --text-hi: #e4fae8;
  --muted:   #2d5535;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Nunito', system-ui, sans-serif;
  background: var(--forest);
  color: var(--text);
  line-height: 1.84;
  font-size: 1.02rem;
  overflow-x: hidden;
}

/* ── BIOLUMINESCENT MIST ──────────────────────── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background:
    radial-gradient(ellipse 50% 40% at 10% 30%, rgba(45,212,191,.07) 0%, transparent 55%),
    radial-gradient(ellipse 40% 50% at 90% 60%, rgba(217,70,239,.07) 0%, transparent 55%),
    radial-gradient(ellipse 60% 30% at 50% 85%, rgba(163,230,53,.05) 0%, transparent 55%);
  pointer-events: none; z-index: 0;
  animation: biolum 12s ease-in-out infinite alternate;
}
@keyframes biolum { 0%{opacity:.7} 100%{opacity:1} }

/* ── PROGRESS BAR ─────────────────────────────── */
#progress-bar {
  position: fixed; top: 0; left: 0;
  height: 2px; width: 0%;
  background: linear-gradient(90deg, var(--teal2), var(--lime), var(--violet));
  z-index: 1000;
  box-shadow: 0 0 8px var(--teal);
  transition: width .1s linear;
}

/* ── NAV ──────────────────────────────────────── */
nav {
  position: fixed; top: 2px; left: 0; right: 0; z-index: 900;
  background: rgba(5,15,9,.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border2);
  display: flex; align-items: center; gap: 2px;
  padding: 0 32px; height: 54px; overflow-x: auto;
}
.nav-brand {
  font-family: 'Playfair Display', serif;
  font-weight: 700; font-style: italic; font-size: 1.1rem;
  color: var(--teal); text-decoration: none;
  margin-right: 24px; flex-shrink: 0;
  display: flex; align-items: center; gap: 8px;
}
.nav-brand::before { content: '✦'; color: var(--lime); font-style: normal; animation: sparkle 3s ease-in-out infinite; }
@keyframes sparkle { 0%,100%{opacity:1} 50%{opacity:.2} }
nav a:not(.nav-brand) {
  font-family: 'DM Mono', monospace;
  font-size: .65rem; color: var(--muted);
  text-decoration: none; padding: 5px 10px;
  border-radius: 999px; white-space: nowrap;
  transition: color .2s, background .2s; letter-spacing: .04em;
}
nav a:not(.nav-brand):hover, nav a.active {
  color: var(--teal); background: rgba(45,212,191,.08);
}

/* ── HERO ─────────────────────────────────────── */
.hero {
  position: relative; padding: 112px 56px 78px;
  overflow: hidden; z-index: 1;
  border-bottom: 1px solid var(--border2);
}
.hero-inner { max-width: 840px; position: relative; z-index: 2; }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'DM Mono', monospace;
  font-size: .7rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--lime); border: 1px solid rgba(163,230,53,.25);
  padding: 5px 14px; border-radius: 999px; margin-bottom: 22px;
  background: rgba(163,230,53,.04);
}
.hero-eyebrow .dot { width: 6px; height: 6px; background: var(--lime); border-radius: 50%; animation: spore-pulse 2s infinite; }
@keyframes spore-pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.4;transform:scale(1.5)} }

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-weight: 900; font-size: clamp(3rem, 7.5vw, 6.5rem);
  line-height: .88; color: var(--text-hi); margin-bottom: 20px;
  letter-spacing: -.02em;
}
.hero h1 em { color: var(--teal); font-style: italic; }
.hero h1 .spore { color: var(--violet); }
.hero p.lead { font-size: 1.07rem; color: var(--text); max-width: 620px; line-height: 1.84; font-weight: 600; }

/* ── STATS ────────────────────────────────────── */
.kpi-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.kpi {
  background: var(--card); border: 1px solid var(--border2);
  border-radius: 12px; padding: 14px 20px; flex: 1; min-width: 130px;
  position: relative; overflow: hidden;
}
.kpi::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--teal); }
.kpi.v::after { background: var(--violet); }
.kpi.l::after { background: var(--lime); }
.kpi.a::after { background: var(--amber); }
.kpi .kv {
  font-family: 'Playfair Display', serif; font-weight: 700;
  font-size: 1.8rem; color: var(--teal); line-height: 1; display: block;
}
.kpi.v .kv { color: var(--violet); }
.kpi.l .kv { color: var(--lime); }
.kpi.a .kv { color: var(--amber); }
.kpi .kl { font-family:'DM Mono',monospace; font-size:.61rem; color:var(--muted); letter-spacing:.06em; text-transform:uppercase; margin-top:4px; }

/* ── LAYOUT ───────────────────────────────────── */
.container { max-width: 1240px; margin: 0 auto; padding: 60px 40px; position: relative; z-index: 1; }
.two-col { display: grid; grid-template-columns: 1fr 290px; gap: 36px; }
@media (max-width: 940px) { .two-col { grid-template-columns: 1fr; } }

/* ── SECTIONS ─────────────────────────────────── */
.section { margin-bottom: 68px; opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.section.visible { opacity: 1; transform: none; }
.sec-label { font-family:'DM Mono',monospace; font-size:.65rem; letter-spacing:.18em; text-transform:uppercase; color:var(--lime2); margin-bottom:8px; }
.section h2 {
  font-family: 'Playfair Display', serif; font-weight: 700;
  font-size: 2.1rem; color: var(--text-hi); font-style: italic;
  padding-bottom: 12px; border-bottom: 1px solid var(--border2); margin-bottom: 22px; position: relative;
}
.section h2::after { content: ''; position: absolute; bottom: -1px; left: 0; height: 2px; width: 60px; background: var(--teal); }
.section h3 { font-family: 'Playfair Display', serif; font-weight: 700; font-size: 1.2rem; color: var(--teal); margin: 24px 0 10px; }

/* ── BACTERIA CARDS ───────────────────────────── */
.bact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin: 16px 0; }
.bact-card {
  background: var(--card); border: 1px solid var(--border2);
  border-radius: 10px; padding: 16px; transition: transform .2s, border-color .2s;
}
.bact-card:hover { transform: translateY(-3px); border-color: var(--teal2); }
.bact-card::before { content: ''; display: block; height: 3px; border-radius: 2px; margin-bottom: 12px; background: var(--teal); }
.bact-card.violet::before { background: var(--violet); }
.bact-card.lime::before   { background: var(--lime); }
.bact-card.amber::before  { background: var(--amber); }
.bact-card.blue::before   { background: var(--blue); }
.bact-icon { font-size: 1.5rem; display: block; margin-bottom: 7px; }
.bact-name { font-family: 'Playfair Display', serif; font-weight: 700; font-style: italic; font-size: .92rem; color: var(--text-hi); margin-bottom: 3px; }
.bact-family { font-family: 'DM Mono', monospace; font-size: .62rem; color: var(--muted); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 7px; }
.bact-role { font-size: .83rem; color: var(--text); line-height: 1.55; }

/* ── CARDS ────────────────────────────────────── */
.card {
  background: var(--card); border: 1px solid var(--border2);
  border-radius: 10px; padding: 18px 22px; margin-bottom: 14px;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: rgba(45,212,191,.3); transform: translateY(-2px); }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; margin: 16px 0; }

/* ── BOX ──────────────────────────────────────── */
.box { border-radius: 10px; padding: 13px 17px; margin: 14px 0; border-left: 3px solid; font-size: .96rem; }
.box-teal   { background: rgba(45,212,191,.05);   border-color: var(--teal);   }
.box-violet { background: rgba(217,70,239,.05);   border-color: var(--violet); }
.box-lime   { background: rgba(163,230,53,.05);   border-color: var(--lime);   }
.box-amber  { background: rgba(251,146,60,.05);   border-color: var(--amber);  }

/* ── TAG ──────────────────────────────────────── */
.tag { display:inline-block; padding:3px 10px; border-radius:999px; font-family:'DM Mono',monospace; font-size:.64rem; letter-spacing:.06em; text-transform:uppercase; margin-bottom:8px; font-weight:500; }
.tag-teal   { background:rgba(45,212,191,.1);   color:var(--teal);   border:1px solid rgba(45,212,191,.25); }
.tag-violet { background:rgba(217,70,239,.1);   color:var(--violet); border:1px solid rgba(217,70,239,.25);}
.tag-lime   { background:rgba(163,230,53,.1);   color:var(--lime);   border:1px solid rgba(163,230,53,.25); }
.tag-amber  { background:rgba(251,146,60,.1);   color:var(--amber);  border:1px solid rgba(251,146,60,.25); }
.tag-blue   { background:rgba(96,165,250,.1);   color:var(--blue);   border:1px solid rgba(96,165,250,.25); }

/* ── TABLE ────────────────────────────────────── */
table { width:100%; border-collapse:collapse; margin:12px 0; font-size:.91rem; }
th { background:var(--forest3); color:var(--teal); font-family:'DM Mono',monospace; font-size:.66rem; letter-spacing:.08em; text-transform:uppercase; padding:9px 13px; text-align:left; border-bottom:1px solid var(--border2); }
td { padding:9px 13px; border-bottom:1px solid var(--border); color:var(--text); vertical-align:top; }
td em { font-style:italic; color:var(--teal2); }
tr:hover td { background:rgba(45,212,191,.02); }

/* ── TIMELINE ─────────────────────────────────── */
.timeline { padding-left:28px; position:relative; }
.timeline::before { content:''; position:absolute; left:0; top:6px; bottom:6px; width:2px; background:linear-gradient(to bottom,var(--teal2),var(--lime)); }
.tl-item { position:relative; margin-bottom:20px; }
.tl-item::before { content:''; position:absolute; left:-35px; top:7px; width:8px; height:8px; background:var(--teal); border-radius:50%; border:2px solid var(--forest); box-shadow:0 0 5px var(--teal2); }
.tl-yr  { font-family:'DM Mono',monospace; font-size:.76rem; color:var(--lime2); font-weight:500; }
.tl-who { font-family:'Playfair Display',serif; font-weight:700; color:var(--text-hi); font-size:1rem; }
.tl-desc { font-size:.89rem; color:var(--text); }

/* ── SIDEBAR ──────────────────────────────────── */
.sidebar { position:sticky; top:68px; }
.sb-card { background:var(--card); border:1px solid var(--border2); border-radius:10px; padding:16px 18px; margin-bottom:12px; }
.sb-card h3 { font-family:'Playfair Display',serif; font-weight:700; font-style:italic; font-size:.95rem; color:var(--teal); margin-bottom:10px; padding-bottom:8px; border-bottom:1px solid var(--border); }
.sb-toc a { display:block; padding:5px 8px; font-family:'DM Mono',monospace; font-size:.65rem; color:var(--muted); text-decoration:none; border-radius:999px; transition:color .2s,background .2s; }
.sb-toc a:hover, .sb-toc a.active { color:var(--teal); background:rgba(45,212,191,.07); }

ul { padding-left:22px; } li { margin:5px 0; } ul li::marker { color:var(--teal2); }
strong { color:var(--text-hi); font-weight:700; }
code { font-family:'DM Mono',monospace; background:var(--forest3); color:var(--teal); padding:2px 7px; border-radius:4px; font-size:.87em; }

#back-top { position:fixed; bottom:28px; right:28px; width:44px; height:44px; background:rgba(45,212,191,.15); border:1px solid var(--teal); color:var(--teal); border-radius:50%; cursor:pointer; font-size:1.1rem; display:flex; align-items:center; justify-content:center; opacity:0; pointer-events:none; transition:opacity .3s,transform .3s; z-index:800; font-family:'Playfair Display',serif; font-weight:700; }
#back-top.visible { opacity:1; pointer-events:auto; }
#back-top:hover { transform:translateY(-4px); }

footer { border-top:1px solid var(--border2); padding:24px 40px; text-align:center; color:var(--muted); font-family:'DM Mono',monospace; font-size:.7rem; letter-spacing:.08em; position:relative; z-index:1; }

@media (max-width:768px) { .hero { padding:88px 22px 50px; } .container { padding:36px 18px; } nav { padding:0 14px; } }