/* ============================================================
   NeuroKala — single-scroll site
   Palette: sage #76947E · forest #32584C · ivory #FAF7F0 · terracotta #C98267
   ============================================================ */

:root{
  --forest:#32584C;
  --forest-deep:#24413A;
  --sage:#76947E;
  --sage-soft:#E4EBE4;
  --ivory:#FAF7F0;
  --ivory-warm:#F2EBE0;
  --terracotta:#C98267;
  --terracotta-deep:#AE6648;
  --ink:#283530;
  --ink-soft:#54645C;
  --line:#E2DACB;

  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Jost",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;

  --wrap:1140px;
  --pad:clamp(20px,5vw,56px);
  --r:4px;
  --shadow:0 18px 44px -24px rgba(40,53,48,.4);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}
body{
  margin:0;background:var(--ivory);color:var(--ink);
  font-family:var(--sans);font-size:17px;font-weight:300;line-height:1.72;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{font-family:var(--serif);font-weight:600;color:var(--forest);line-height:1.15;margin:0}
p{margin:0 0 1.1em}
a{color:var(--forest)}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
.wrap.wide{max-width:1360px}

.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--forest);color:#fff;padding:12px 20px}
.skip:focus{left:12px;top:12px}
:focus-visible{outline:2px solid var(--terracotta);outline-offset:3px;border-radius:2px}

/* ---------- Nav ---------- */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(250,247,240,.9);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s;
}
.nav.scrolled{border-bottom-color:var(--line);box-shadow:0 2px 20px -12px rgba(40,53,48,.4)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px}
.brand{
  font-family:var(--serif);font-weight:700;font-size:1.45rem;letter-spacing:.055em;
  color:var(--forest);text-decoration:none;text-transform:uppercase;
}
.nav ul{display:flex;gap:clamp(14px,2.4vw,32px);list-style:none;margin:0;padding:0}
.nav ul a{
  font-size:.78rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;
  color:var(--forest);text-decoration:none;padding:6px 0;position:relative;
}
.nav ul a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1.5px;
  background:var(--terracotta);transition:right .3s ease;
}
.nav ul a:hover::after,.nav ul a.active::after{right:0}
.nav ul a.active{color:var(--terracotta-deep)}

.menu-btn{display:none;background:none;border:0;padding:10px;cursor:pointer}
.menu-btn span{display:block;width:24px;height:2px;background:var(--forest);margin:5px 0;transition:.3s}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width:860px){
  .menu-btn{display:block}
  .nav ul{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;
    background:var(--ivory);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .35s ease;
  }
  .nav ul.open{max-height:380px}
  .nav ul li{border-top:1px solid var(--line)}
  .nav ul a{display:block;padding:16px var(--pad)}
  .nav ul a::after{display:none}
}

/* ---------- Hero ---------- */
.hero{
  background:var(--forest);color:#fff;padding-top:clamp(56px,9vw,104px);position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:
    radial-gradient(circle at 12% 18%,rgba(118,148,126,.55),transparent 42%),
    radial-gradient(circle at 88% 6%,rgba(201,130,103,.26),transparent 40%);
}
.hero-in{position:relative;text-align:center;max-width:860px}
.eyebrow{
  font-size:.74rem;letter-spacing:.24em;text-transform:uppercase;font-weight:500;
  color:var(--terracotta);margin-bottom:1.6em;
}
.hero h1{
  font-size:clamp(3.2rem,11vw,6.6rem);color:#fff;letter-spacing:.02em;
  text-transform:uppercase;font-weight:600;margin-bottom:.22em;
}
.hero .tagline{
  font-family:var(--serif);font-size:clamp(1.15rem,3vw,1.6rem);font-weight:400;
  font-style:italic;color:#fff;margin-bottom:.9em;
}
.hero .lede{
  color:rgba(255,255,255,.82);max-width:620px;margin-inline:auto;font-size:1.02rem;
}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:2.2em}
.btn{
  display:inline-block;padding:13px 30px;border-radius:var(--r);text-decoration:none;
  font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-weight:500;
  background:var(--terracotta);color:#fff;border:1.5px solid var(--terracotta);
  transition:background .25s,border-color .25s,color .25s,transform .25s;
}
.btn:hover{background:var(--terracotta-deep);border-color:var(--terracotta-deep);transform:translateY(-2px)}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn.ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}

.hero-banner{margin:clamp(44px,7vw,78px) 0 0;position:relative}
.hero-banner img{width:100%;aspect-ratio:16/7;object-fit:cover;object-position:center 42%}
@media (max-width:760px){.hero-banner img{aspect-ratio:4/3}}

.facts{
  list-style:none;margin:0;padding:clamp(28px,4vw,42px) 0;display:grid;gap:22px;
  grid-template-columns:repeat(4,1fr);text-align:center;position:relative;
}
.facts li{border-left:1px solid rgba(255,255,255,.18);padding-inline:10px}
.facts li:first-child{border-left:0}
.facts strong{
  display:block;font-family:var(--serif);font-size:1.5rem;font-weight:600;color:#fff;line-height:1.2;
}
.facts span{
  display:block;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(255,255,255,.62);margin-top:6px;
}
@media (max-width:680px){.facts{grid-template-columns:repeat(2,1fr)}.facts li:nth-child(odd){border-left:0}}

/* ---------- Sections ---------- */
.sec{padding:clamp(64px,9vw,118px) 0}
.sec.alt{background:var(--ivory-warm)}
.num{
  font-family:var(--serif);font-size:.82rem;font-weight:600;letter-spacing:.2em;
  color:var(--terracotta);margin:0 0 .6em;
}
.sec h2{font-size:clamp(1.9rem,4.6vw,2.9rem);margin-bottom:.5em;letter-spacing:-.005em}
.sec-lede{color:var(--ink-soft);max-width:60ch;font-size:1.05rem;margin-bottom:2.6em}

/* About */
.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,5vw,64px);align-items:start}
.about-copy .big{
  font-family:var(--serif);font-size:clamp(1.18rem,2.4vw,1.5rem);line-height:1.5;
  color:var(--forest);font-weight:400;margin-bottom:1em;
}
.about-copy p{color:var(--ink-soft)}
.ticks{list-style:none;margin:1.8em 0 0;padding:0;display:grid;gap:12px}
.ticks li{position:relative;padding-left:30px;font-size:.98rem;color:var(--ink)}
.ticks li::before{
  content:"";position:absolute;left:0;top:.62em;width:14px;height:8px;
  border-left:2px solid var(--terracotta);border-bottom:2px solid var(--terracotta);
  transform:rotate(-45deg);
}
.about-fig{margin:0}
.about-fig img{border-radius:var(--r);box-shadow:var(--shadow);aspect-ratio:4/5;object-fit:cover}
@media (max-width:820px){.about-grid{grid-template-columns:1fr}.about-fig img{aspect-ratio:16/10}}

.pillars{
  display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.4vw,26px);
  margin-top:clamp(48px,6vw,78px);
}
.pillars article{
  background:var(--sage-soft);border-radius:var(--r);padding:clamp(26px,3vw,36px);
  border-top:3px solid var(--sage);
}
.sec.alt .pillars article{background:var(--ivory)}
.pill-ic{display:block;font-size:1.7rem;color:var(--terracotta);line-height:1;margin-bottom:.5em}
.pillars h3{font-size:1.18rem;margin-bottom:.5em}
.pillars p{font-size:.95rem;color:var(--ink-soft);margin:0}
@media (max-width:820px){.pillars{grid-template-columns:1fr}}

/* Impact */
.impact{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(26px,3.6vw,44px)}
.imp{
  background:var(--ivory);border-radius:var(--r);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:0 10px 30px -22px rgba(40,53,48,.5);
}
.imp figure{margin:0}
.imp img{width:100%;aspect-ratio:3/2;object-fit:cover}
.imp img.top-crop{object-position:center top}
.imp div{padding:clamp(22px,2.6vw,30px)}
.imp h3{font-size:1.12rem;margin-bottom:.5em;line-height:1.3}
.imp p{font-size:.95rem;color:var(--ink-soft);margin:0}
@media (max-width:760px){.impact{grid-template-columns:1fr}}

.band{
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(26px,4vw,52px);
  margin-top:clamp(40px,5vw,64px);padding:clamp(32px,4vw,52px);
  background:var(--forest);border-radius:var(--r);color:rgba(255,255,255,.8);
}
.band h3{color:#fff;font-size:1.22rem;margin-bottom:.55em}
.band p{margin:0;font-size:.98rem}
@media (max-width:760px){.band{grid-template-columns:1fr}}

/* Founder */
.founder{
  display:grid;grid-template-columns:320px 1fr;gap:clamp(28px,4vw,56px);
  align-items:center;background:var(--ivory-warm);border-radius:var(--r);
  padding:clamp(26px,3.6vw,48px);
}
.sec.alt .founder{background:var(--ivory)}
.portrait{
  margin:0;aspect-ratio:4/5;overflow:hidden;border-radius:var(--r);background:var(--sage-soft);
}
.portrait img{
  width:100%;height:100%;object-fit:cover;object-position:50% 22%;display:block;
}
.founder-copy h3{font-size:clamp(1.5rem,3.4vw,2rem);letter-spacing:.02em;text-transform:uppercase}
.founder-copy .role{
  color:var(--terracotta);font-size:.76rem;letter-spacing:.18em;text-transform:uppercase;
  font-weight:500;margin:.5em 0 1.3em;
}
.founder-copy p:last-child{margin:0;color:var(--ink-soft)}
@media (max-width:760px){.founder{grid-template-columns:1fr}.portrait{max-width:280px;aspect-ratio:1}}

/* Gallery */
.masonry{display:flex;gap:clamp(12px,1.6vw,20px);align-items:flex-start;margin-top:.5em}
.mcol{flex:1 1 0;min-width:0;display:flex;flex-direction:column;gap:clamp(12px,1.6vw,20px)}
.masonry figure{
  margin:0;border-radius:var(--r);overflow:hidden;background:var(--sage-soft);
}
.masonry img{
  width:100%;cursor:zoom-in;transition:transform .5s ease,filter .5s ease;
}
.masonry figure:hover img{transform:scale(1.035);filter:saturate(1.06)}
@media (max-width:540px){.masonry{flex-direction:column}.masonry img{cursor:default}}

/* Quotes */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.6vw,30px)}
.quotes blockquote{
  margin:0;display:flex;flex-direction:column;padding:clamp(26px,3vw,38px);background:var(--sage-soft);border-radius:var(--r);
  position:relative;border-left:3px solid var(--terracotta);
}
.quotes blockquote::before{
  content:"\201C";position:absolute;top:2px;right:18px;font-family:var(--serif);
  font-size:4.6rem;line-height:1;color:var(--sage);opacity:.35;
}
.quotes p{
  margin:0 0 18px;font-family:var(--serif);font-size:1.02rem;font-style:italic;
  line-height:1.6;color:var(--forest);position:relative;
}
.quotes cite{
  display:block;margin-top:auto;font-style:normal;font-size:.74rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--terracotta);
}
.quotes cite::before{content:"— "}
@media (max-width:860px){.quotes{grid-template-columns:1fr}}

/* Footer */
.foot{background:var(--forest-deep);color:rgba(255,255,255,.72);padding:clamp(44px,6vw,70px) 0 0}
.foot-in{
  display:flex;justify-content:space-between;align-items:flex-end;gap:26px;flex-wrap:wrap;
  padding-bottom:clamp(28px,4vw,44px);
}
.fbrand{
  font-family:var(--serif);font-size:1.65rem;font-weight:700;letter-spacing:.055em;
  text-transform:uppercase;color:#fff;margin:0 0 .25em;
}
.ftag{font-family:var(--serif);font-style:italic;margin:0;color:rgba(255,255,255,.72)}
.foot nav{display:flex;gap:24px;flex-wrap:wrap}
.foot nav a{
  color:rgba(255,255,255,.72);text-decoration:none;font-size:.76rem;
  letter-spacing:.14em;text-transform:uppercase;transition:color .25s;
}
.foot nav a:hover{color:var(--terracotta)}
.foot-base{border-top:1px solid rgba(255,255,255,.14);padding-block:22px}
.foot-base p{margin:0;font-size:.78rem;color:rgba(255,255,255,.5)}

/* Lightbox */
.lightbox{
  position:fixed;inset:0;z-index:200;background:rgba(36,65,58,.94);
  display:grid;place-items:center;padding:clamp(16px,4vw,48px);
}
.lightbox[hidden]{display:none}
.lightbox img{max-width:100%;max-height:88vh;object-fit:contain;border-radius:var(--r)}
.lb-close{
  position:absolute;top:14px;right:18px;background:none;border:0;color:#fff;
  font-size:2.6rem;line-height:1;cursor:pointer;padding:6px 14px;
}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

@media print{
  .nav,.hero-cta,.lightbox{display:none}
  body{background:#fff;color:#000}
}