/* Kōra Labs shared design tokens, nav, footer, buttons, reveals.
   Used by every page besides the homepage (index.html keeps its own inline
   copy of these plus its hero/works/services-gallery-specific rules). */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
:root{
  --bg:#050506;
  --bg-2:#0d0e11;
  --bg-3:#15161b;
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --white:#fff;
  --muted:#9a9aa2;
  --body:rgba(255,255,255,.88);
  --muted-2:#6e6e78;
  --sans:'General Sans',system-ui,sans-serif;
  --display:'Fraunces',Georgia,serif;
  --serif:'Fraunces',Georgia,serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --container:1280px;
  --ease:cubic-bezier(.22,1,.36,1);
  --z-nav:100;--z-progress:300;
}
html{-webkit-font-smoothing:antialiased;scroll-behavior:smooth;}
body{font-family:var(--sans);background:var(--bg);color:var(--white);line-height:1.6;font-size:16px;overflow-x:hidden;}
html.lenis,html.lenis body{height:auto;}
.lenis.lenis-smooth{scroll-behavior:auto!important;}
.lenis.lenis-stopped{overflow:hidden;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input{font-family:inherit;color:inherit;}
::selection{background:#fff;color:#000;}
h1,h2,h3{font-family:var(--display);font-weight:500;letter-spacing:-.015em;line-height:1.05;text-wrap:balance;font-variation-settings:"SOFT" 40;}
p{text-wrap:pretty;}
.mono{font-family:var(--mono);text-transform:uppercase;letter-spacing:.14em;}
.container{max-width:var(--container);margin:0 auto;padding:0 40px;}
@media(max-width:720px){.container{padding:0 22px;}}
section{position:relative;padding:160px 0;}
@media(max-width:720px){section{padding:100px 0;}}

/* shared heads */
.s-title{font-size:clamp(34px,5.2vw,72px);max-width:18ch;}
.s-sub{font-size:17px;color:var(--body);margin-top:18px;max-width:56ch;line-height:1.6;}
.center{text-align:center;}
.center .s-title,.center .s-sub{margin-inline:auto;}
.s-head{margin-bottom:88px;}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:500;border-radius:999px;transition:background .25s,color .25s,transform .25s var(--ease);}
.btn-white{background:#fff;color:#0a0a0a;padding:12px 14px 12px 20px;}
.btn-white:hover{transform:translateY(-2px);}
.btn-ghost{border:1px solid var(--line);color:#fff;padding:12px 22px;}
.btn-ghost:hover{background:#fff;color:#000;transform:translateY(-2px);}
.btn .arr{width:18px;height:18px;border-radius:50%;background:#0a0a0a;color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:11px;transition:transform .25s var(--ease);}
.btn-white:hover .arr{transform:translateX(2px);}

/* reveal */
.js .reveal{opacity:0;transform:translateY(30px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:calc(var(--i,0)*80ms);}
.js .reveal.in{opacity:1;transform:none;}
.js .reveal-words .w-in{display:inline-block;opacity:0;transform:translateY(.5em);filter:blur(8px);transition:opacity .7s var(--ease),transform .7s var(--ease),filter .7s var(--ease);transition-delay:calc(var(--wi,0)*42ms);will-change:transform,opacity,filter;}
.js .reveal-words.in .w-in{opacity:1;transform:none;filter:blur(0);}

/* page is frozen while the mobile menu is open */
html.menu-open,html.menu-open body{overflow:hidden;}

/* skip link: hidden until keyboard-focused */
.skip-link{position:absolute;left:16px;top:-60px;z-index:500;background:#fff;color:#0a0a0a;font-size:13px;font-weight:500;padding:12px 20px;border-radius:999px;transition:top .2s var(--ease);}
.skip-link:focus{top:16px;}

/* visible keyboard focus, brand-appropriate on dark */
:focus-visible{outline:2px solid #fff;outline-offset:3px;border-radius:4px;}
.btn-white:focus-visible{outline-color:#fff;outline-offset:4px;}

/* progress */
.progress{position:fixed;top:0;left:0;height:2px;width:0;background:#fff;z-index:var(--z-progress);opacity:.7;}

/* page-load intro */
.veil{display:none;}
.js .veil{display:block;position:fixed;inset:0;background:var(--bg);z-index:400;opacity:1;pointer-events:none;transition:opacity .7s ease .15s;}
.loaded .veil{opacity:0;}
.js .nav{animation:navIn .9s var(--ease) .35s backwards;}
@keyframes navIn{from{opacity:0;transform:translateY(-14px);}}
@keyframes fadeUp{from{opacity:0;transform:translateY(22px);}}

/* ===== nav ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:var(--z-nav);transition:background .35s,border-color .35s,padding .3s;border-bottom:1px solid transparent;}
.nav.scrolled{background:rgba(5,5,6,.7);backdrop-filter:saturate(160%) blur(14px);border-bottom-color:var(--line-soft);}
.nav-in{max-width:var(--container);margin:0 auto;padding:22px 40px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.nav.scrolled .nav-in{padding:14px 40px;}
.logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:600;font-family:var(--display);}
.logo .mark{width:30px;height:30px;background:url("kora-k-logo.png") center/contain no-repeat;filter:brightness(0) invert(1);}
.nav-links{display:flex;gap:32px;font-size:14px;color:var(--muted);}
.nav-links a:hover,.nav-links a.active{color:#fff;}
.nav-burger{display:none;flex-direction:column;justify-content:space-between;width:26px;height:17px;}
.nav-burger span{height:1.5px;background:#fff;}
@media(max-width:900px){
  /* mobile menu as a floating card under the nav, not a full-bleed drawer */
  .nav-links{display:none;position:absolute;top:calc(100% + 10px);left:16px;right:16px;flex-direction:column;gap:0;background:#141518;border:1px solid var(--line);border-radius:22px;padding:14px 26px 26px;box-shadow:0 26px 70px rgba(0,0,0,.6);max-height:calc(100dvh - 100% - 30px);overflow-y:auto;}
  .nav-links.open{display:flex;}
  .nav-links a{padding:20px 0;border-bottom:1px solid var(--line-soft);color:#fff;font-size:20px;}
  .nav-links a:last-of-type{border-bottom:none;}
  .nav-in .btn{display:none;}
  .nav-burger{display:flex;}
  /* burger morphs into an X while the menu is open */
  .nav-burger span{transition:transform .3s var(--ease),opacity .2s;}
  .nav-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7.75px) rotate(45deg);}
  .nav-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.75px) rotate(-45deg);}
}

.wa-float{position:fixed;right:22px;bottom:22px;z-index:200;width:56px;height:56px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 28px rgba(0,0,0,.4);transition:transform .25s var(--ease);}
.wa-float:hover{transform:scale(1.08);}
.wa-float svg{width:30px;height:30px;}
@media(max-width:600px){.wa-float{right:16px;bottom:16px;width:52px;height:52px;}}

/* generic simple page hero (non-homepage) */
.phero{position:relative;overflow:hidden;padding:200px 0 100px;}
@media(max-width:720px){.phero{padding:150px 0 60px;}}
.phero h1{font-size:clamp(38px,6vw,76px);max-width:20ch;}
.phero p{font-size:17px;color:var(--body);margin-top:22px;max-width:56ch;}
.phero .container{position:relative;z-index:1;}

/* per-page hero background image, dimmed + grained to match brand */
.phero-media{position:absolute;inset:0;z-index:0;}
.phero-img{position:absolute;inset:0;background-size:cover;background-position:center;filter:grayscale(1) contrast(1.05) brightness(.5);opacity:.65;}
.phero-fade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,5,6,.35) 0%,rgba(5,5,6,.7) 55%,var(--bg) 100%);}
.grain{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.4;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");}

/* ===== faq ===== */
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line-soft);}
.faq-q{width:100%;text-align:left;padding:26px 0;display:flex;justify-content:space-between;align-items:center;gap:24px;font-family:var(--display);font-weight:600;font-size:clamp(19px,2vw,24px);transition:color .25s;}
.faq-q:hover{color:var(--muted);}
.faq-icon{position:relative;flex-shrink:0;width:30px;height:30px;border:1px solid var(--line);border-radius:50%;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;}
.faq-icon::before{width:11px;height:1.5px;}
.faq-icon::after{width:1.5px;height:11px;transition:transform .3s;}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);}
.faq-a{overflow:hidden;max-height:0;transition:max-height .45s var(--ease);}
.faq-a-inner{padding:0 0 28px;color:var(--body);font-size:15.5px;line-height:1.7;max-width:70ch;}

/* ===== cta ===== */
.cta{text-align:center;padding:150px 0;position:relative;overflow:hidden;}
.cta h2{font-size:clamp(46px,8vw,104px);line-height:.96;margin-bottom:26px;}
.cta p{color:var(--body);font-size:17px;max-width:50ch;margin:0 auto 38px;}
.cta-bg{position:absolute;inset:0;z-index:0;background:url("ai-automation-consultation-kl.webp") center/cover no-repeat;filter:grayscale(1) brightness(.6);opacity:.5;}
.cta-bg::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 100% at 50% 35%,rgba(5,5,6,.35),rgba(5,5,6,.85));}
.cta .container{position:relative;z-index:1;}

/* ===== footer ===== */
.footer{border-top:1px solid var(--line);padding:70px 0 40px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px;padding-bottom:50px;border-bottom:1px solid var(--line-soft);}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr;gap:34px;}}
.footer .logo{margin-bottom:16px;}
.footer-blurb{font-size:14px;color:var(--body);max-width:34ch;}
.footer h3{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--muted-2);margin-bottom:18px;text-transform:uppercase;}
.footer ul{list-style:none;display:flex;flex-direction:column;gap:12px;}
.footer ul a{font-size:14px;color:var(--muted);display:inline-flex;align-items:center;gap:10px;}
.footer ul a svg{width:16px;height:16px;flex-shrink:0;fill:currentColor;opacity:.75;transition:opacity .25s;}
.footer ul a:hover svg{opacity:1;}
.footer ul a:hover{color:#fff;}
.news{display:flex;gap:8px;margin-top:14px;max-width:340px;}
.news input{flex:1;background:var(--bg-2);border:1px solid var(--line);border-radius:999px;padding:11px 18px;font-size:13px;color:#fff;}
.news input::placeholder{color:var(--muted-2);}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:14px;padding-top:28px;padding-bottom:34px;font-size:12.5px;color:var(--muted-2);flex-wrap:wrap;}
.footer-bottom>:last-child{padding-right:78px;}
@media(max-width:600px){.footer-bottom{padding-bottom:76px;}.footer-bottom>:last-child{padding-right:0;}}

/* ===== article / blog post ===== */
.art-hero{padding:180px 0 40px;border-bottom:1px solid var(--line-soft);}
@media(max-width:720px){.art-hero{padding:140px 0 32px;}}
.art-back{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);display:inline-flex;gap:8px;margin-bottom:34px;}
.art-back:hover{color:#fff;}
.art-cat{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:20px;}
.art-hero h1{font-size:clamp(32px,5vw,58px);max-width:20ch;line-height:1.04;}
.art-meta{display:flex;gap:20px;flex-wrap:wrap;margin-top:26px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);}
.art-wrap{max-width:720px;margin:0 auto;padding:0 40px;}
@media(max-width:720px){.art-wrap{padding:0 22px;}}
.prose{padding:60px 0 20px;}
.prose>*{max-width:68ch;}
.prose p{color:var(--body);font-size:18px;line-height:1.75;margin-bottom:26px;}
.prose .lead{font-size:21px;line-height:1.6;color:#e7e7ea;margin-bottom:34px;}
.prose h2{font-size:clamp(24px,3vw,32px);margin:52px 0 18px;color:#fff;}
.prose h3{font-size:20px;margin:38px 0 12px;color:#fff;}
.prose strong{color:#fff;font-weight:600;}
.prose a:not(.btn){color:#fff;text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--muted-2);}
.prose a:not(.btn):hover{text-decoration-color:#fff;}
.prose ul,.prose ol{margin:0 0 26px;padding-left:22px;}
.prose li{color:var(--body);font-size:18px;line-height:1.7;margin-bottom:12px;}
.prose blockquote{margin:34px 0;padding:6px 0 6px 26px;border-left:2px solid var(--line);font-family:var(--display);font-size:23px;line-height:1.4;color:#fff;font-variation-settings:"SOFT" 60;}
.prose hr{border:none;border-top:1px solid var(--line-soft);margin:44px 0;}
.art-figure{margin:0 0 40px;height:440px;border-radius:20px;overflow:hidden;border:1px solid var(--line);}
.art-figure img{width:100%;height:100%;object-fit:cover;object-position:center 30%;display:block;}
@media(max-width:720px){.art-figure{height:280px;margin-bottom:30px;}}
.art-end{margin-top:48px;padding:40px;border:1px solid var(--line);border-radius:20px;background:var(--bg-2);text-align:center;}
.art-end h3{font-family:var(--display);font-size:26px;margin-bottom:10px;}
.art-end p{color:var(--body);font-size:15px;margin-bottom:22px;max-width:44ch;margin-inline:auto;}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;}
  .js .reveal{opacity:1;transform:none;}
  .js .reveal-words .w-in{opacity:1;transform:none;filter:none;}
  .js .veil{display:none;}
}