/* ============================================================
   Kairos Systemics — continuous cinematic reel
   Palette: #57676B slate · #74847C moss · #9DABA8 sage · #B4C4BE mist
   ============================================================ */

:root{
  --ink:#0d1010;
  --paper:#eef1ec;
  --slate:#57676B;
  --moss:#74847C;
  --sage:#9DABA8;
  --mist:#B4C4BE;
  --bone:#d6dcd5;
  --gold:#c9a96b;

  --serif:"Fraunces", "Times New Roman", serif;
  --sans:"Inter", system-ui, sans-serif;
  --mono:"JetBrains Mono", ui-monospace, monospace;

  --gutter:clamp(1.25rem, 4vw, 4rem);
  --maxw:1480px;
}

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0;background:#0a0c0c;color:var(--paper);font-family:var(--sans);-webkit-font-smoothing:antialiased}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-smooth [data-lenis-prevent]{overscroll-behavior:contain}

img,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
::selection{background:var(--mist);color:var(--ink)}

/* film grain */
.grain{position:fixed;inset:0;z-index:200;pointer-events:none;opacity:.07;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='.55'/></svg>");
  animation:grainShift 1.4s steps(6) infinite;
}
@keyframes grainShift{
  0%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}
  60%{transform:translate(-2%,1%)}80%{transform:translate(3%,3%)}100%{transform:translate(0,0)}
}

/* subtle global vignette */
.vignette{position:fixed;inset:0;z-index:85;pointer-events:none;
  background:radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0,.40) 100%)}

/* ----------------------------------------------------------------
   PERSISTENT STAGE — one fixed reel of 9 videos that crossfade
---------------------------------------------------------------- */
.stage{position:fixed;inset:0;z-index:0;overflow:hidden;background:#0a0c0c}
.stage__v{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;
  transform:scale(1.16);
  transform-origin:center 55%;
  filter:saturate(.95) contrast(1.05);
  transition:opacity 1.4s cubic-bezier(.55,0,.25,1), filter 1.6s ease;
  will-change:opacity,transform,filter;
  background:#0a0c0c;
}
.stage__v.active{opacity:1;filter:saturate(1) contrast(1.06)}

/* veils — three flavours faded in by JS based on current scene's data-veil */
.stage__veil{
  position:absolute;inset:0;z-index:2;pointer-events:none;
  opacity:0;
  transition:opacity 1.4s cubic-bezier(.55,0,.25,1);
  background:
    radial-gradient(130% 90% at 0% 55%, rgba(8,10,11,.92), rgba(8,10,11,.30) 55%, rgba(8,10,11,0) 78%),
    linear-gradient(to top, rgba(8,10,11,.75), rgba(8,10,11,.10) 38%, rgba(8,10,11,.55));
  mix-blend-mode:multiply;
}
.stage__veil--right{
  background:
    radial-gradient(130% 90% at 100% 55%, rgba(8,10,11,.94), rgba(8,10,11,.30) 55%, rgba(8,10,11,0) 78%),
    linear-gradient(to top, rgba(8,10,11,.7), rgba(8,10,11,.05) 38%, rgba(8,10,11,.45));
}
.stage__veil--center{
  background:
    radial-gradient(45% 35% at 50% 50%, rgba(8,10,11,.72), rgba(8,10,11,.35) 65%, rgba(8,10,11,.55) 100%),
    radial-gradient(120% 90% at 50% 50%, rgba(8,10,11,.25), rgba(8,10,11,.75));
}
.stage[data-veil="left"]   .stage__veil:not(.stage__veil--right):not(.stage__veil--center){opacity:1}
.stage[data-veil="right"]  .stage__veil--right{opacity:1}
.stage[data-veil="center"] .stage__veil--center{opacity:1}

/* grade pass for cinematic split-tone */
.stage::after{
  content:"";position:absolute;inset:0;z-index:3;pointer-events:none;
  background:
    radial-gradient(60% 40% at 50% 30%, rgba(180,196,190,.05), transparent 70%),
    radial-gradient(80% 60% at 50% 100%, rgba(201,169,107,.04), transparent 70%);
  mix-blend-mode:screen;
}

/* ----------------------------------------------------------------
   Nav
---------------------------------------------------------------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  display:grid; grid-template-columns:auto 1fr auto; align-items:center; gap:2rem;
  padding:1.1rem var(--gutter);
  background:linear-gradient(to bottom, rgba(8,10,10,.55), rgba(8,10,10,0));
  font-family:var(--mono); font-size:.72rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--bone);
}
.nav__mark{display:inline-flex;align-items:center;gap:.55rem;color:var(--paper)}
.nav__mark span{display:inline-flex;gap:.25ch;font-family:var(--serif);font-style:normal;font-size:1rem;letter-spacing:.02em;text-transform:none}
.nav__mark em{font-style:italic;color:var(--sage);font-weight:300}
.nav__links{display:flex;justify-content:flex-end;gap:1.6rem;align-items:center}
.nav__links a{position:relative;color:var(--bone);transition:color .3s}
.nav__links a:hover{color:var(--paper)}
.nav__links a:not(.nav__cta)::after{content:"";position:absolute;left:0;right:0;bottom:-.4em;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .4s}
.nav__links a:not(.nav__cta):hover::after{transform:scaleX(1)}
.nav__cta{padding:.55rem .95rem;border:1px solid rgba(180,196,190,.35);border-radius:999px;color:var(--paper);transition:background .3s,border-color .3s,color .3s}
.nav__cta:hover{background:var(--mist);color:var(--ink);border-color:var(--mist)}
.nav__progress{grid-column:1/-1;height:1px;background:rgba(180,196,190,.15);position:relative;margin-top:.5rem}
.nav__progress span{position:absolute;left:0;top:0;bottom:0;background:linear-gradient(90deg,var(--sage),var(--mist));width:0%}
@media (max-width:780px){ .nav__links a:not(.nav__cta){display:none} }

/* ----------------------------------------------------------------
   Scene primitive — pure scroll runway holding copy only
---------------------------------------------------------------- */
.scene{position:relative;height:var(--scene-h, 240vh);z-index:2}
.scene__pin{position:sticky;top:0;height:100vh;display:grid;align-items:center}
.scene__copy{
  position:relative;z-index:6;
  width:100%; max-width:var(--maxw); margin:0 auto;
  padding:7rem var(--gutter) 5rem;
  display:flex; flex-direction:column; gap:1.6rem;
  max-inline-size:min(46rem, 100%);
}
.scene--right .scene__copy{margin-left:auto;margin-right:0;align-items:flex-end;text-align:right}
.scene--right .scene__copy > *{max-width:46rem}
.scene__copy--center{margin-left:auto;margin-right:auto;align-items:center;text-align:center;max-inline-size:62rem;isolation:isolate}
/* soft scrim behind centered title cards for legibility over busy videos */
.scene__copy--center::before{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(110%,80rem);height:min(120%,28rem);
  z-index:-1;pointer-events:none;
  background:radial-gradient(50% 50% at 50% 50%, rgba(8,10,11,.62), rgba(8,10,11,.25) 60%, rgba(8,10,11,0) 78%);
  filter:blur(4px);
}
.scene__copy--center.manifesto::before{height:min(120%,46rem)}
.scene__copy--center h2,.scene__copy--center .display{text-shadow:0 1px 22px rgba(0,0,0,.55)}
.scene__copy--hero{padding-top:9rem;padding-bottom:7rem;max-inline-size:min(72rem,100%)}
/* wide editorial scenes — let the layout breathe across the viewport */
#s5 .scene__copy,#s7 .scene__copy{max-inline-size:min(104rem,100%)}
#s5 .title,#s5 .body,#s7 .title{max-width:none}
#s7 .method article{padding:1.6rem 1.6rem 2rem;min-height:16rem;gap:.75rem}
#s7 .method article h3{font-size:1.5rem;line-height:1.1}
#s7 .method article p{font-size:.95rem;line-height:1.55}
.scene__copy--hero .display{max-width:none;white-space:nowrap}
@media(max-width:900px){.scene__copy--hero .display{white-space:normal}}

/* HUD label */
.hud{display:inline-flex;align-items:center;gap:.85rem;font-family:var(--mono);font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--mist)}
.hud__num{color:var(--gold)}
.hud__line{flex:0 0 3rem;height:1px;background:currentColor;opacity:.5}
.hud--center{justify-content:center}

/* Typography */
.display{
  font-family:var(--serif); font-weight:300;
  font-size:clamp(2.8rem, 7.2vw, 7.5rem);
  line-height:.96; letter-spacing:-.02em; margin:0;
  font-variation-settings:"opsz" 144;
}
.display span{display:block}
.display__em{font-style:italic;color:var(--mist);font-weight:300}
.display--quiet{font-size:clamp(2rem, 4.2vw, 4rem); line-height:1.1; font-weight:400; max-width:36ch; margin:0 auto}
.display--quiet em{font-style:italic;color:var(--sage)}

.title{font-family:var(--serif);font-weight:400;font-size:clamp(2.1rem, 5vw, 4.4rem);line-height:1;letter-spacing:-.015em;margin:0}
.title em{font-style:italic;color:var(--sage)}

.lede{font-family:var(--serif);font-style:italic;font-weight:300;font-size:clamp(1.05rem,1.4vw,1.35rem);line-height:1.5;color:var(--bone);max-width:34ch;margin:0}
.body{font-size:1rem;line-height:1.65;color:var(--bone);max-width:38ch;margin:0;font-weight:300}
.body--narrow{max-width:30ch}

.scroll-hint{display:inline-flex;flex-direction:column;align-items:flex-start;gap:.4rem;margin-top:auto;font-family:var(--mono);font-size:.65rem;letter-spacing:.3em;text-transform:uppercase;color:var(--sage);opacity:.75}
.scroll-hint svg{animation:drop 1.8s ease-in-out infinite}
@keyframes drop{0%,100%{transform:translateY(0);opacity:.7}50%{transform:translateY(8px);opacity:1}}

.marker{list-style:none;padding:0;margin:.5rem 0 0;display:flex;flex-direction:column;gap:.5rem;font-family:var(--mono);font-size:.78rem;letter-spacing:.04em;color:var(--sage);text-transform:uppercase}
.scene--right .marker{align-items:flex-end}
.marker li{position:relative;padding-left:1.2em}
.scene--right .marker li{padding-left:0;padding-right:1.2em}
.marker li::before{content:"›";position:absolute;left:0;color:var(--gold)}
.scene--right .marker li::before{left:auto;right:0}

.diptych{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid rgba(180,196,190,.2);border-bottom:1px solid rgba(180,196,190,.2);margin-top:1.5rem;max-width:34rem;margin-left:auto}
.diptych > div{padding:1.1rem 1.2rem;display:flex;flex-direction:column;gap:.25rem;text-align:left}
.diptych > div + div{border-left:1px solid rgba(180,196,190,.2)}
.diptych__k{font-family:var(--serif);font-style:italic;font-size:1.4rem;color:var(--paper)}
.diptych__v{font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--sage)}

.levels{list-style:none;padding:0;margin:1.6rem 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid rgba(180,196,190,.18);border-bottom:1px solid rgba(180,196,190,.18)}
.levels li{display:grid;grid-template-columns:auto 1fr;gap:1.2rem;padding:1.6rem 1.4rem;border-right:1px solid rgba(180,196,190,.15);align-items:start}
.levels li:last-child{border-right:0}
@media(max-width:880px){
  .levels{grid-template-columns:1fr;border-bottom:1px solid rgba(180,196,190,.18)}
  .levels li{border-right:0;border-bottom:1px solid rgba(180,196,190,.15);padding:1.1rem 0}
  .levels li:last-child{border-bottom:0}
}
.levels__n{font-family:var(--serif);font-style:italic;font-weight:300;color:var(--sage);font-size:1.6rem;line-height:1;align-self:flex-start;padding-top:.15rem}
.levels h3{margin:0 0 .25rem;font-family:var(--serif);font-weight:400;font-size:1.5rem;letter-spacing:-.01em}
.levels p{margin:0;font-size:.92rem;color:var(--bone);line-height:1.5;max-width:34ch}
.levels__mid h3{color:var(--mist)}
.levels__dark h3{color:var(--paper)}
.levels__dark{position:relative}
.levels__dark::after{content:"";position:absolute;left:1rem;top:1.6rem;width:3px;height:1.4rem;background:var(--gold)}

.defs{margin:.6rem 0 0;display:flex;flex-direction:column;gap:1.1rem;text-align:right}
.defs > div{padding:1rem 0;border-top:1px solid rgba(180,196,190,.18);display:flex;flex-direction:column;gap:.35rem}
.defs > div:last-child{border-bottom:1px solid rgba(180,196,190,.18)}
.defs dt{font-family:var(--serif);font-size:1.35rem;font-weight:400}
.defs dd{margin:0;font-size:.92rem;line-height:1.5;color:var(--bone);max-width:36ch;margin-left:auto}

.method{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid rgba(180,196,190,.2);margin-top:1.4rem}
.method article{padding:1.4rem 1.2rem 1.6rem;border-right:1px solid rgba(180,196,190,.15);display:flex;flex-direction:column;gap:.55rem;min-height:14rem;position:relative}
.method article:last-child{border-right:0}
.method article > span{font-family:var(--mono);font-size:.7rem;letter-spacing:.22em;color:var(--gold)}
.method article h3{margin:0;font-family:var(--serif);font-weight:400;font-size:1.25rem}
.method article p{margin:0;color:var(--bone);font-size:.86rem;line-height:1.5}
.method article::before{content:"";position:absolute;top:-1px;left:0;width:0;height:2px;background:var(--mist);transition:width .9s ease}
.method article.in::before{width:100%}
@media(max-width:880px){.method{grid-template-columns:1fr 1fr}.method article{border-bottom:1px solid rgba(180,196,190,.15)}}
@media(max-width:520px){.method{grid-template-columns:1fr}}

.manifesto{gap:1rem;max-inline-size:64rem}
.manifesto p{font-family:var(--serif);font-weight:300;font-size:clamp(1.4rem,3.4vw,2.6rem);line-height:1.25;margin:0;color:var(--bone)}
.manifesto p[data-align="l"]{align-self:flex-start;text-align:left}
.manifesto p[data-align="r"]{align-self:flex-end;text-align:right}
.manifesto p em{font-style:italic;color:var(--mist)}

.cta{display:inline-flex;align-items:center;gap:.6rem;padding:1rem 1.6rem;margin-top:1rem;border:1px solid var(--mist);font-family:var(--mono);font-size:.75rem;letter-spacing:.22em;text-transform:uppercase;color:var(--paper);transition:.3s}
.cta:hover{background:var(--mist);color:var(--ink);letter-spacing:.28em}

/* ----------------------------------------------------------------
   Pricing / Contact / Footer (light dressed sections)
---------------------------------------------------------------- */
.page{position:relative;z-index:10;padding:9rem var(--gutter);max-width:var(--maxw);margin:0 auto;color:var(--paper);background:#0a0c0c}
.page__hdr{display:grid;grid-template-columns:1fr;gap:1rem;margin-bottom:3.5rem;max-width:48rem}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--sage)}
.page h2{font-family:var(--serif);font-weight:400;font-size:clamp(2rem,4.4vw,3.8rem);line-height:1.05;letter-spacing:-.015em;margin:0;max-width:24ch}

.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(180,196,190,.18);border:1px solid rgba(180,196,190,.18)}
.plan{background:#0a0c0c;padding:2.4rem 2rem 2.2rem;display:flex;flex-direction:column;gap:1rem;position:relative}
.plan header{display:flex;flex-direction:column;gap:.6rem;padding-bottom:1rem;border-bottom:1px solid rgba(180,196,190,.15)}
.plan h3{margin:0;font-family:var(--serif);font-weight:400;font-size:1.7rem}
.plan__price{font-family:var(--mono);font-size:.8rem;letter-spacing:.12em;color:var(--sage)}
.plan__price b{color:var(--paper);font-weight:500;font-size:1rem}
.plan > p{margin:0;color:var(--bone);font-size:.95rem;font-style:italic;font-family:var(--serif)}
.plan ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.55rem;font-size:.9rem;color:var(--bone);font-weight:300}
.plan ul li{padding-left:1.1em;position:relative}
.plan ul li::before{content:"+";position:absolute;left:0;color:var(--sage)}
.plan__cta{margin-top:auto;align-self:flex-start;font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--paper);border-bottom:1px solid var(--sage);padding-bottom:.2rem;transition:.3s}
.plan__cta:hover{color:var(--mist);border-color:var(--mist)}
.plan--featured{background:linear-gradient(180deg, rgba(157,171,168,.07), rgba(10,12,12,1) 60%)}
.plan--featured::before{content:"Featured";position:absolute;top:1rem;right:1.2rem;font-family:var(--mono);font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold)}
@media(max-width:920px){.plans{grid-template-columns:1fr}}

.extras{margin-top:2.5rem;display:grid;grid-template-columns:1fr 1fr;gap:1.4rem}
.extras article{padding:1.6rem 1.4rem;border:1px solid rgba(180,196,190,.18);display:flex;flex-direction:column;gap:.4rem}
.extras h4{margin:0;font-family:var(--serif);font-size:1.25rem;font-weight:400}
.extras span{font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;color:var(--gold)}
.extras p{margin:0;color:var(--bone);font-size:.9rem;line-height:1.5}
@media(max-width:720px){.extras{grid-template-columns:1fr}}

.page--contact{padding-top:6rem;padding-bottom:6rem}
.contact{display:grid;grid-template-columns:1.1fr 1fr;gap:5rem;align-items:start}
.contact h2{font-family:var(--serif);font-weight:400;font-size:clamp(2.2rem,4.8vw,4rem);line-height:1.02;margin:.4rem 0 1rem}
.contact p{color:var(--bone);max-width:32ch;line-height:1.6}
.form{display:flex;flex-direction:column;gap:1.2rem}
.form label{display:flex;flex-direction:column;gap:.35rem;font-family:var(--mono);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--sage)}
.form input,.form textarea{background:transparent;border:0;border-bottom:1px solid rgba(180,196,190,.3);padding:.6rem 0;color:var(--paper);font:inherit;font-family:var(--serif);font-size:1.05rem;transition:border-color .3s}
.form input:focus,.form textarea:focus{outline:0;border-color:var(--mist)}
.form button{margin-top:1rem;align-self:flex-start;padding:1rem 1.5rem;border:1px solid var(--mist);font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;transition:.3s}
.form button:hover{background:var(--mist);color:var(--ink)}
.form__ok{font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;color:var(--gold)}
@media(max-width:820px){.contact{grid-template-columns:1fr;gap:2.5rem}}

.foot{position:relative;z-index:10;padding:2.5rem var(--gutter);display:flex;justify-content:space-between;align-items:center;gap:2rem;border-top:1px solid rgba(180,196,190,.12);font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--sage);background:#0a0c0c}
.foot p{margin:.3rem 0 0;font-family:var(--serif);font-style:italic;font-size:1rem;color:var(--bone);text-transform:none;letter-spacing:0}
.foot__meta{display:flex;flex-direction:column;align-items:flex-end;gap:.3rem;text-align:right}
@media(max-width:600px){.foot{flex-direction:column;align-items:flex-start}.foot__meta{align-items:flex-start;text-align:left}}

/* hide the stage entirely once we pass into pricing/contact */
body.no-stage .stage{opacity:0;transition:opacity .8s ease;pointer-events:none}

/* ----------------------------------------------------------------
   Cinematic copy reveal — blur-in, slow, staggered
---------------------------------------------------------------- */
.scene__copy > *{
  opacity:0;
  transform:translateY(22px);
  filter:blur(8px);
  transition:opacity 1.3s cubic-bezier(.2,.65,.15,1), transform 1.4s cubic-bezier(.2,.65,.15,1), filter 1.3s ease;
}
.scene__copy > *:nth-child(2){transition-delay:.18s}
.scene__copy > *:nth-child(3){transition-delay:.34s}
.scene__copy > *:nth-child(4){transition-delay:.5s}
.scene__copy > *:nth-child(5){transition-delay:.64s}
.scene.in .scene__copy > *{opacity:1;transform:translateY(0);filter:blur(0)}
.scene.out .scene__copy > *{opacity:0;transform:translateY(-16px);filter:blur(6px);transition-duration:1s;transition-delay:0s}

/* mobile compaction */
@media(max-width:700px){
  .scene__copy{padding-top:6.5rem;padding-bottom:4.5rem}
  .scene--right .scene__copy{align-items:flex-start;text-align:left;margin:0}
  .scene--right .marker{align-items:flex-start}
  .scene--right .marker li{padding-left:1.2em;padding-right:0}
  .scene--right .marker li::before{left:0;right:auto}
  .defs{text-align:left}
  .defs dd{margin-left:0}
  .diptych{margin-left:0}
  .manifesto p[data-align="r"]{align-self:flex-start;text-align:left}
}