/* ============================================================
   Mycelia Bioworks — pale-lab / living-organism art direction
   ============================================================ */
:root{
  /* agar / bone whites & petri neutrals */
  --agar:      #f7f3ea;   /* page base */
  --bone:      #f4efe4;
  --dish:      #ece5d5;   /* card surfaces */
  --dish-line: #ddd2ba;
  --neutral-3: #cabfa4;
  --ink:       #2c2419;   /* humus-brown ink */
  --ink-soft:  #6b5c46;
  --ink-faint: #9b8b6f;
  /* the organism */
  --amber:     #b5732b;   /* spore-amber accent */
  --amber-lit: #d68a34;
  --humus:     #5a3a1e;   /* deep brown */
  --spore:     #e3a24a;
  --leaf:      #6f7a4a;   /* faint biological green for balance */
  --maxw: 1180px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --gutter: clamp(20px, 5vw, 72px);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  font-family:'Spline Sans',system-ui,sans-serif;
  color:var(--ink);
  background:var(--agar);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

::selection{background:var(--spore);color:var(--humus)}
:focus-visible{outline:2.5px solid var(--amber);outline-offset:3px;border-radius:2px}

.skip{position:absolute;left:-999px;top:8px;z-index:200;background:var(--ink);color:var(--agar);
  padding:10px 16px;border-radius:8px}
.skip:focus{left:12px}

/* ---- growth canvas ---- */
#hyphae{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
body > *:not(#hyphae){position:relative;z-index:1}

/* ============ NAV ============ */
.nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:14px var(--gutter);
  background:color-mix(in srgb, var(--agar) 78%, transparent);
  backdrop-filter:blur(10px) saturate(1.1);
  border-bottom:1px solid transparent;
  transition:border-color .4s var(--ease), background .4s var(--ease);
}
.nav.scrolled{border-bottom-color:var(--dish-line);
  background:color-mix(in srgb, var(--agar) 90%, transparent)}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink)}
.brand-mark{color:var(--amber);display:grid;place-items:center;transition:transform .5s var(--ease)}
.brand:hover .brand-mark{transform:rotate(-8deg) scale(1.06)}
.brand-word{font-family:'Fraunces',serif;font-weight:600;font-size:1.26rem;letter-spacing:-.01em;line-height:1}
.brand-sub{color:var(--amber);font-weight:500}
.nav-links{display:flex;align-items:center;gap:clamp(14px,2vw,30px)}
.nav-links a{font-size:.94rem;color:var(--ink-soft);transition:color .25s}
.nav-links a:hover{color:var(--ink)}
.nav-cta{border:1px solid var(--dish-line);padding:8px 16px;border-radius:999px;color:var(--ink)!important;
  background:var(--bone);transition:border-color .25s,background .25s,transform .25s}
.nav-cta:hover{border-color:var(--amber);background:var(--dish);transform:translateY(-1px)}

/* ============ HERO ============ */
.hero{min-height:92vh;display:flex;flex-direction:column;justify-content:center;
  padding:clamp(60px,12vh,140px) var(--gutter) 60px;position:relative}
.hero-inner{max-width:min(860px,100%)}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:'Spline Sans Mono',monospace;
  font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);margin-bottom:26px}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--amber);
  box-shadow:0 0 0 0 color-mix(in srgb,var(--amber) 60%,transparent);animation:pulse 2.6s var(--ease) infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--amber) 55%,transparent)}
  70%{box-shadow:0 0 0 12px transparent}100%{box-shadow:0 0 0 0 transparent}}
.hero-h{font-family:'Fraunces',serif;font-weight:500;
  font-size:clamp(2.9rem,8.4vw,6.6rem);line-height:.98;letter-spacing:-.025em;
  color:var(--ink);margin-bottom:28px}
.hero-h em{font-style:italic;color:var(--amber);font-weight:600}
.hero-h .strike{position:relative;color:var(--ink-faint);font-weight:400}
.hero-h .strike::after{content:"";position:absolute;left:-2%;right:-2%;top:52%;height:.06em;
  background:var(--humus);transform:scaleX(0);transform-origin:left;
  animation:strike 1s var(--ease) .7s forwards}
@keyframes strike{to{transform:scaleX(1)}}
.hero-lede{font-size:clamp(1.05rem,1.7vw,1.32rem);color:var(--ink-soft);max-width:56ch;margin-bottom:36px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-hint{margin-top:30px;font-family:'Spline Sans Mono',monospace;font-size:.76rem;
  letter-spacing:.05em;color:var(--ink-faint)}
.hero-scroll{position:absolute;bottom:26px;left:var(--gutter);display:flex;align-items:center;gap:10px;
  font-family:'Spline Sans Mono',monospace;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink-faint)}
.hero-scroll i{display:block;width:1px;height:34px;background:linear-gradient(var(--amber),transparent);
  animation:drip 2.4s var(--ease) infinite}
@keyframes drip{0%{transform:scaleY(.3);opacity:.4;transform-origin:top}50%{transform:scaleY(1);opacity:1}
  100%{transform:scaleY(.3);opacity:.4}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:500;font-size:.98rem;
  padding:13px 24px;border-radius:999px;cursor:pointer;transition:transform .3s var(--ease),
  background .3s,box-shadow .3s,border-color .3s;border:1px solid transparent}
.btn-solid{background:var(--humus);color:var(--agar);box-shadow:0 6px 22px -12px var(--humus)}
.btn-solid:hover{background:var(--amber);transform:translateY(-2px);box-shadow:0 12px 30px -14px var(--amber)}
.btn-ghost{border-color:var(--dish-line);color:var(--ink);background:color-mix(in srgb,var(--bone) 70%,transparent)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber);transform:translateY(-2px)}

/* ============ MARQUEE ============ */
.marquee{overflow:hidden;border-block:1px solid var(--dish-line);
  background:var(--dish);padding:16px 0}
.marquee-track{display:flex;gap:34px;white-space:nowrap;width:max-content;
  font-family:'Fraunces',serif;font-style:italic;font-size:1.15rem;color:var(--ink-soft);
  animation:scrollx 34s linear infinite}
.marquee-track .sep{color:var(--amber);font-style:normal}
@keyframes scrollx{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marquee-track{animation:none;flex-wrap:wrap;white-space:normal;
  justify-content:center;padding:0 var(--gutter)}}

/* ============ SECTION SCAFFOLD ============ */
section{padding:clamp(70px,11vh,140px) var(--gutter);position:relative}
.section-mark{position:absolute;top:0;left:var(--gutter);width:12px;height:12px}
.section-head{max-width:720px;margin-bottom:clamp(40px,6vh,72px)}
.kicker{font-family:'Spline Sans Mono',monospace;font-size:.78rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--amber);margin-bottom:16px}
.section-h{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(2rem,4.6vw,3.5rem);
  line-height:1.02;letter-spacing:-.02em;color:var(--ink);margin-bottom:20px}
.section-lede{font-size:clamp(1rem,1.4vw,1.16rem);color:var(--ink-soft);max-width:58ch}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ============ MATERIALS ============ */
.grow-list{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(16px,2vw,26px)}
.grow-card{background:var(--dish);border:1px solid var(--dish-line);border-radius:20px;
  padding:clamp(24px,3vw,38px);display:flex;flex-direction:column;justify-content:space-between;
  gap:28px;position:relative;overflow:hidden;transition:transform .5s var(--ease),
  box-shadow .5s var(--ease),border-color .5s}
.grow-card::before{content:"";position:absolute;inset:0;
  background:radial-gradient(120% 90% at 100% 0%, color-mix(in srgb,var(--spore) 22%,transparent), transparent 60%);
  opacity:0;transition:opacity .5s}
.grow-card:hover{transform:translateY(-4px);border-color:var(--neutral-3);
  box-shadow:0 26px 50px -34px var(--humus)}
.grow-card:hover::before{opacity:1}
.grow-card--wide{grid-column:1 / -1}
.grow-tag{font-family:'Spline Sans Mono',monospace;font-size:.72rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--amber);margin-bottom:14px}
.grow-body h3{font-family:'Fraunces',serif;font-weight:600;font-size:clamp(1.5rem,2.6vw,2.1rem);
  letter-spacing:-.01em;margin-bottom:12px;color:var(--ink)}
.grow-body p{color:var(--ink-soft);font-size:.98rem;max-width:52ch}
.growth-log{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;
  border:1px solid var(--dish-line);border-radius:12px;overflow:hidden;
  background:var(--dish-line);position:relative;z-index:1}
.growth-log > div{background:var(--bone);padding:12px 14px;display:flex;flex-direction:column;gap:5px}
.growth-log dt{font-family:'Spline Sans Mono',monospace;font-size:.62rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink-faint)}
.growth-log dd{font-family:'Fraunces',serif;font-weight:600;font-size:1.1rem;color:var(--humus)}

/* ============ THE LAB (petri timeline) ============ */
.lab{background:linear-gradient(180deg,transparent, color-mix(in srgb,var(--dish) 40%,transparent) 40%, transparent)}
.petri-timeline{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);
  gap:clamp(14px,1.6vw,24px);counter-reset:d}
.petri{display:flex;flex-direction:column;gap:18px;align-items:flex-start;position:relative}
.petri:not(:last-child)::after{content:"";position:absolute;top:56px;right:calc(-1 * clamp(7px,.8vw,12px));
  width:clamp(14px,1.6vw,24px);height:1px;
  background:repeating-linear-gradient(90deg,var(--neutral-3) 0 4px,transparent 4px 8px)}
.dish{width:112px;height:112px;max-width:100%;border-radius:50%;
  background:radial-gradient(circle at 38% 34%, var(--bone), var(--dish) 74%);
  border:3px solid color-mix(in srgb,var(--dish-line) 80%,#fff);
  box-shadow:inset 0 0 0 6px color-mix(in srgb,var(--bone) 70%,transparent),0 8px 20px -14px var(--humus);
  position:relative;overflow:hidden;display:grid;place-items:center}
.dish-stage{position:absolute;inset:0;background:no-repeat center/contain}
/* stage growth as radial mycelium via conic/radial fills */
.dish-stage.s1{background:radial-gradient(circle at 50% 50%, var(--humus) 0 3px, transparent 4px)}
.dish-stage.s2{background:
  radial-gradient(circle at 50% 50%, var(--humus) 0 3px, transparent 4px),
  radial-gradient(circle at 50% 50%, transparent 0 14px, color-mix(in srgb,var(--spore) 30%,transparent) 15px 30px, transparent 31px)}
.dish-stage.s3{background:
  radial-gradient(circle at 50% 50%, var(--humus) 0 3px, transparent 4px),
  radial-gradient(circle at 50% 50%, transparent 0 12px, color-mix(in srgb,var(--spore) 40%,transparent) 13px 44px, transparent 45px)}
.dish-stage.s4{background:radial-gradient(circle at 50% 50%, color-mix(in srgb,var(--spore) 46%,transparent) 0 48px, transparent 49px)}
.dish-stage.s5{background:radial-gradient(circle at 50% 50%, color-mix(in srgb,var(--amber) 40%,var(--dish)) 0 52px, transparent 53px)}
.petri-num{font-family:'Spline Sans Mono',monospace;font-size:.72rem;letter-spacing:.08em;
  color:var(--amber);text-transform:uppercase}
.petri-text h3{font-family:'Fraunces',serif;font-weight:600;font-size:1.24rem;margin:6px 0 8px;color:var(--ink)}
.petri-text p{font-size:.9rem;color:var(--ink-soft)}

/* ============ SCIENCE ============ */
.science-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,72px);align-items:center}
.science-copy p{color:var(--ink-soft);margin-bottom:16px;max-width:54ch}
.science-copy strong{color:var(--ink);font-weight:600}
.science-copy em{font-style:italic;color:var(--amber)}
.science-facts{list-style:none;display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.science-facts li{background:var(--dish);border:1px solid var(--dish-line);border-radius:14px;
  padding:14px 18px;display:flex;flex-direction:column;gap:4px;min-width:120px;flex:1}
.fact-num{font-family:'Fraunces',serif;font-weight:600;font-size:1.5rem;color:var(--humus)}
.fact-label{font-size:.78rem;color:var(--ink-faint)}
.science-fig{margin:0}
.cross{width:100%;height:auto;filter:drop-shadow(0 20px 40px rgba(90,58,30,.14))}
.cross-hyphae path{stroke-dasharray:640;stroke-dashoffset:640}
.cross.draw .cross-hyphae path{animation:drawpath 2.4s var(--ease) forwards}
@keyframes drawpath{to{stroke-dashoffset:0}}
@media (prefers-reduced-motion:reduce){.cross-hyphae path{stroke-dashoffset:0}}
.science-fig figcaption{font-family:'Spline Sans Mono',monospace;font-size:.76rem;color:var(--ink-faint);
  margin-top:16px;text-align:center;max-width:38ch;margin-inline:auto}

/* ============ PRESS ============ */
.press-partners{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;
  padding-bottom:clamp(40px,6vh,64px);margin-bottom:clamp(40px,6vh,64px);
  border-bottom:1px solid var(--dish-line)}
.press-partners span{font-family:'Fraunces',serif;font-size:clamp(1.1rem,2vw,1.5rem);
  color:var(--ink-faint);opacity:.85;transition:color .3s,opacity .3s}
.press-partners span:hover{color:var(--amber);opacity:1}
.press-quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,40px)}
.quote{border-left:2px solid var(--amber);padding-left:22px}
.quote blockquote{font-family:'Fraunces',serif;font-size:clamp(1.05rem,1.6vw,1.28rem);
  line-height:1.4;color:var(--ink);margin-bottom:14px}
.quote figcaption{font-size:.86rem;color:var(--ink-soft)}
.quote cite{font-style:normal;font-weight:500;color:var(--amber)}

/* ============ CONTACT ============ */
.contact{background:
  radial-gradient(120% 100% at 50% 0%, color-mix(in srgb,var(--dish) 55%,transparent), transparent 60%)}
.contact-inner{max-width:760px}
.spore-form{margin-top:36px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1/-1}
.field label{font-family:'Spline Sans Mono',monospace;font-size:.72rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink-soft)}
.field input,.field textarea{font-family:inherit;font-size:1rem;color:var(--ink);
  background:var(--bone);border:1px solid var(--dish-line);border-radius:12px;padding:13px 16px;
  transition:border-color .25s,box-shadow .25s;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-faint)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--amber);
  box-shadow:0 0 0 3px color-mix(in srgb,var(--amber) 18%,transparent)}
.spore-form .btn{grid-column:1/-1;justify-self:start}
.form-note{grid-column:1/-1;font-family:'Spline Sans Mono',monospace;font-size:.82rem;color:var(--leaf);min-height:1em}

/* ============ FOOTER ============ */
.footer{padding:clamp(50px,8vh,90px) var(--gutter) 34px;border-top:1px solid var(--dish-line);
  background:var(--dish)}
.footer-top{display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between;align-items:flex-start;
  padding-bottom:34px;border-bottom:1px solid var(--dish-line)}
.footer-brand .brand-word{font-size:1.5rem}
.footer-brand p{font-family:'Fraunces',serif;font-style:italic;color:var(--ink-soft);margin-top:8px}
.footer-nav{display:flex;flex-wrap:wrap;gap:20px}
.footer-nav a{color:var(--ink-soft);font-size:.94rem;transition:color .25s}
.footer-nav a:hover{color:var(--amber)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:8px 30px;justify-content:space-between;
  margin-top:26px;font-size:.82rem;color:var(--ink-faint)}
.footer-bottom a{color:var(--amber)}

/* ============ RESPONSIVE ============ */
@media (max-width:900px){
  .science-grid{grid-template-columns:1fr}
  .science-fig{max-width:420px;margin-inline:auto}
  .petri-timeline{grid-template-columns:repeat(2,1fr);gap:30px}
  .petri:not(:last-child)::after{display:none}
  .press-quotes{grid-template-columns:1fr}
}
@media (max-width:720px){
  .nav-links a:not(.nav-cta){display:none}
  .grow-list{grid-template-columns:1fr}
  .grow-card--wide{grid-column:auto}
  .growth-log{grid-template-columns:repeat(2,1fr)}
  .spore-form{grid-template-columns:1fr}
  .hero-scroll{display:none}
}
@media (max-width:420px){
  .petri-timeline{grid-template-columns:1fr}
  .dish{width:96px;height:96px}
  .footer-top{flex-direction:column}
}