/* ==========================================================================
   Kukan LLC — kukan.uk
   Static site stylesheet. No external dependencies; Inter is self-hosted.
   ========================================================================== */

@font-face{
  font-family:"Inter";
  font-style:normal;
  font-weight:100 900;
  font-display:swap;
  src:url("../assets/fonts/inter-var-latin.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215;
}

:root{
  --navy:#0a2540;
  --navy-2:#123a5c;
  --navy-3:#0e5f74;
  --teal:#0e8f9e;
  --cyan:#17b3c1;
  --cyan-soft:#7cc9d3;
  --ice:#eef5f7;
  --ink:#243342;
  --muted:#5b6b7c;
  --line:#dde4e9;
  --bg:#fbfcfd;
  --white:#ffffff;
  --header-h:68px;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);}
body{
  font-family:"Inter","Segoe UI","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--teal);text-decoration:none;}
a:hover{text-decoration:underline;text-underline-offset:3px;}
ul,ol{margin:0 0 1rem 1.2rem;}
li{margin-bottom:.5rem;}
strong{color:var(--navy);font-weight:600;}

h1,h2,h3,h4{color:var(--navy);line-height:1.25;font-weight:650;letter-spacing:-.005em;}
h1{font-size:clamp(1.8rem,4vw,2.7rem);font-weight:600;}
h2{font-size:clamp(1.35rem,2.6vw,1.85rem);margin-bottom:1rem;}
h3{font-size:clamp(1.02rem,1.7vw,1.18rem);margin-bottom:.55rem;font-weight:650;}
p{margin-bottom:1rem;}

.container{width:min(1180px,92%);margin:0 auto;}

/* ---------- utility ---------- */
.eyebrow{
  display:block;font-size:.72rem;font-weight:600;letter-spacing:.22em;
  text-transform:uppercase;color:var(--teal);margin-bottom:.9rem;
}
.eyebrow::after{content:"";display:block;width:34px;height:2px;background:var(--teal);margin-top:.55rem;}
.center .eyebrow::after{margin-inline:auto;}
.lead{font-size:clamp(1rem,1.4vw,1.13rem);color:var(--muted);max-width:48em;}
.center{text-align:center;}
.center .lead{margin-inline:auto;}
section{padding:clamp(3rem,6.5vw,5rem) 0;}
.section-alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-ice{background:var(--ice);}
hr.rule{border:0;border-top:1px solid var(--line);margin:2.2rem 0;}

/* ---------- scroll progress ---------- */
.progress{position:fixed;top:0;left:0;height:2px;width:0;background:var(--cyan);z-index:200;}

/* ---------- header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;height:var(--header-h);
  display:flex;align-items:center;
  background:rgba(10,37,64,.55);
  -webkit-backdrop-filter:blur(12px) saturate(130%);
  backdrop-filter:blur(12px) saturate(130%);
  border-bottom:1px solid rgba(255,255,255,.09);
  transition:background .3s ease;
}
.site-header.scrolled{background:rgba(9,30,51,.96);}
.header-inner{width:min(1180px,94%);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:1rem;}
.brand{display:flex;align-items:center;gap:.65rem;color:#fff;font-weight:650;font-size:1.05rem;letter-spacing:.16em;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand svg{width:32px;height:32px;flex:none;}
.brand small{display:block;font-size:.56rem;font-weight:500;letter-spacing:.3em;color:var(--cyan-soft);}

.main-nav ul{display:flex;gap:1.6rem;list-style:none;margin:0;}
.main-nav a{
  display:block;padding:.4rem 0;color:#cfdfe6;font-weight:500;font-size:.9rem;
  border-bottom:2px solid transparent;transition:color .25s,border-color .25s;
}
.main-nav a:hover{color:#fff;text-decoration:none;}
.main-nav a.active{color:#fff;border-bottom-color:var(--cyan);}
.nav-cta{border:1px solid var(--cyan);padding:.4rem 1.1rem !important;color:#fff !important;}
.nav-cta:hover{background:var(--cyan);color:var(--navy) !important;}
.nav-cta.active{border-bottom-color:var(--cyan) !important;}

.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:.5rem;}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;margin:6px 0;transition:transform .3s,opacity .3s;}

@media (max-width:920px){
  .nav-toggle{display:block;}
  .main-nav{
    position:fixed;top:var(--header-h);right:0;left:0;
    background:rgba(9,30,51,.98);
    max-height:0;overflow:hidden;transition:max-height .35s ease;
  }
  .main-nav.open{max-height:70vh;border-bottom:1px solid rgba(255,255,255,.12);}
  .main-nav ul{flex-direction:column;padding:1.2rem 6%;gap:.1rem;}
  .main-nav a{padding:.7rem 0;font-size:1rem;border-bottom:1px solid rgba(255,255,255,.07);}
  .nav-cta{border:0;padding:.7rem 0 !important;}
  .nav-cta:hover{background:none;color:var(--cyan) !important;}
  body.nav-locked{overflow:hidden;}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}
}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:86vh;display:flex;align-items:center;
  color:#fff;padding:calc(var(--header-h) + 4rem) 0 5rem;
  isolation:isolate;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:-12% 0;z-index:-2;
  background-size:cover;background-position:center;
  will-change:transform;
}
html.js .hero > .hero-bg{animation:slowzoom 26s ease-out forwards;}
@keyframes slowzoom{from{scale:1;}to{scale:1.07;}}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(9,30,51,.93) 25%,rgba(13,72,92,.72) 65%,rgba(9,30,51,.45) 100%);
}
.hero-inner{width:min(1180px,92%);margin:0 auto;}
.hero .kicker{
  display:inline-block;font-size:.75rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--cyan-soft);border-bottom:1px solid rgba(124,201,211,.5);padding-bottom:.5rem;margin-bottom:1.6rem;font-weight:500;
}
.hero h1{color:#fff;max-width:19em;}
.hero .lead{color:#c9dde3;margin:1.3rem 0 2.4rem;max-width:44em;}

/* page hero (subpages) */
.page-hero{
  position:relative;color:#fff;padding:calc(var(--header-h) + 4rem) 0 3.6rem;
  isolation:isolate;overflow:hidden;
}
.page-hero .hero-bg{inset:-15% 0;}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(9,30,51,.95) 20%,rgba(13,72,92,.8) 100%);
}
.page-hero h1{color:#fff;}
.page-hero .lead{color:#c9dde3;}
.breadcrumbs{font-size:.8rem;color:var(--cyan-soft);margin-bottom:1.1rem;letter-spacing:.06em;}
.breadcrumbs a{color:var(--cyan-soft);}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;padding:.8rem 1.7rem;font-weight:600;font-size:.82rem;
  letter-spacing:.12em;text-transform:uppercase;text-decoration:none;
  border:1px solid transparent;transition:background .25s,color .25s,border-color .25s;
  cursor:pointer;font-family:inherit;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--cyan);color:var(--navy);border-color:var(--cyan);}
.btn-primary:hover{background:transparent;color:var(--cyan);}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;background:transparent;}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);}
.btn-navy{background:var(--navy);color:#fff;border-color:var(--navy);}
.btn-navy:hover{background:transparent;color:var(--navy);}
.btn-row{display:flex;gap:1rem;flex-wrap:wrap;}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1px;margin-top:2.2rem;background:var(--line);border:1px solid var(--line);}
.card{
  background:var(--white);padding:1.9rem 1.7rem;display:flex;flex-direction:column;
  position:relative;transition:background .3s;
}
.card::before{
  content:"";position:absolute;top:0;left:0;width:0;height:2px;background:var(--teal);
  transition:width .45s ease;
}
.card:hover::before{width:100%;}
.card .icon{width:40px;height:40px;color:var(--teal);margin-bottom:1.1rem;}
.card .icon svg{width:100%;height:100%;}
.card h3{font-size:1.02rem;}
.card p,.card li{font-size:.92rem;color:var(--muted);}
.card ul{margin-top:.4rem;}
.card .more{margin-top:auto;padding-top:.9rem;font-weight:600;font-size:.85rem;letter-spacing:.02em;}

/* free-standing cards (not in grid) */
.card.solo{border:1px solid var(--line);}

/* fixed column counts: keep every row of the hairline grid full */
.card-grid.g2{grid-template-columns:repeat(2,1fr);}
.card-grid.g3{grid-template-columns:repeat(3,1fr);}
.card-grid.g4{grid-template-columns:repeat(4,1fr);}
@media (max-width:1100px){.card-grid.g4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:900px){.card-grid.g3{grid-template-columns:1fr;}}
@media (max-width:700px){.card-grid.g2,.card-grid.g4{grid-template-columns:1fr;}}

/* image cards (markets on home) */
.img-card{
  position:relative;overflow:hidden;min-height:420px;
  display:flex;align-items:flex-end;color:#fff;text-decoration:none;
}
.img-card img{position:absolute;inset:0;width:100%;height:110%;object-fit:cover;will-change:transform;}
.img-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(185deg,rgba(9,30,51,.08) 35%,rgba(9,30,51,.9) 88%);
}
.img-card .body{position:relative;z-index:1;padding:1.9rem;border-left:2px solid var(--cyan);margin:0 0 1.4rem 1.4rem;transition:border-color .3s;}
.img-card h3{color:#fff;font-size:1.22rem;}
.img-card p{color:#cfe1e7;font-size:.9rem;margin:0;max-width:30em;}
.img-card .body .more{color:var(--cyan);font-weight:600;font-size:.85rem;display:inline-block;margin-top:.8rem;}
.img-card:hover{text-decoration:none;}
.img-card:hover .more{text-decoration:underline;text-underline-offset:3px;}

/* ---------- split rows ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.8rem,4vw,4.5rem);align-items:center;}
.split.reverse > .split-media{order:2;}
.split-media{overflow:hidden;position:relative;}
.split-media img{width:100%;height:112%;object-fit:cover;will-change:transform;}
@media (max-width:840px){
  .split{grid-template-columns:1fr;}
  .split.reverse > .split-media{order:0;}
}

/* image wipe reveal */
html.js .media-reveal{position:relative;}
html.js .media-reveal::after{
  content:"";position:absolute;inset:0;background:var(--ice);z-index:2;
  transform:none;transition:transform 1s cubic-bezier(.7,0,.3,1) .1s;
}
html.js .media-reveal.visible::after{transform:translateY(-101%);}
html.js .media-reveal img{scale:1.08;transition:scale 1.3s ease .1s;}
html.js .media-reveal.visible img{scale:1;}

/* ---------- parallax band ---------- */
.band{
  position:relative;color:#fff;padding:clamp(3.6rem,7vw,5.6rem) 0;isolation:isolate;overflow:hidden;
}
.band .hero-bg{position:absolute;inset:-18% 0;z-index:-2;background-size:cover;background-position:center;will-change:transform;}
.band::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(9,30,51,.94),rgba(13,90,105,.78));}
.band h2{color:#fff;}
.band .lead{color:#cfe1e7;}
.band .eyebrow{color:var(--cyan);}
.band .eyebrow::after{background:var(--cyan);}
.band .card-grid{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.16);}
.band .card{background:rgba(10,37,64,.55);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);}
.band .card h3{color:#fff;}
.band .card p{color:#c5dae0;}

/* ---------- page nav (scrollspy) ---------- */
.with-pagenav{display:grid;grid-template-columns:200px 1fr;gap:clamp(2rem,4vw,4rem);align-items:start;}
.page-nav{position:sticky;top:calc(var(--header-h) + 24px);}
.page-nav .label{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:.9rem;font-weight:600;}
.page-nav ul{list-style:none;margin:0;border-left:1px solid var(--line);}
.page-nav li{margin:0;}
.page-nav a{
  display:block;padding:.42rem 0 .42rem 1rem;font-size:.86rem;color:var(--muted);
  border-left:2px solid transparent;margin-left:-1px;transition:color .2s,border-color .2s;
}
.page-nav a:hover{color:var(--navy);text-decoration:none;}
.page-nav a.current{color:var(--teal);border-left-color:var(--teal);font-weight:600;}
@media (max-width:920px){
  .with-pagenav{grid-template-columns:1fr;}
  .page-nav{position:static;margin-bottom:1rem;}
  .page-nav ul{display:flex;flex-wrap:wrap;gap:.2rem 1.2rem;border-left:0;}
  .page-nav a{border-left:0;padding:.3rem 0;border-bottom:2px solid transparent;}
  .page-nav a.current{border-bottom-color:var(--teal);}
}

/* ---------- tables ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);margin:1.6rem 0;background:var(--white);}
table{width:100%;border-collapse:collapse;font-size:.92rem;min-width:640px;}
th{background:var(--navy);color:#fff;text-align:left;padding:.8rem 1.1rem;font-weight:600;white-space:nowrap;}
td{padding:.8rem 1.1rem;border-bottom:1px solid var(--line);vertical-align:top;color:var(--muted);}
td strong{color:var(--navy);}
tr:last-child td{border-bottom:0;}
tr:nth-child(even) td{background:#f6f9fa;}

/* ---------- callout ---------- */
.callout{
  background:var(--ice);border-left:2px solid var(--teal);
  padding:1.3rem 1.6rem;margin:1.8rem 0;color:var(--ink);
}
.callout p:last-child,.callout ul:last-child{margin-bottom:0;}

/* ---------- use-case blocks ---------- */
.case{
  border:1px solid var(--line);background:var(--white);padding:1.6rem 1.7rem;
  display:grid;grid-template-columns:1fr 1fr;gap:1.2rem 2rem;margin-bottom:1.2rem;
}
.case h3{grid-column:1/-1;font-size:1rem;padding-bottom:.7rem;border-bottom:1px solid var(--line);}
.case .k{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);font-weight:600;display:block;margin-bottom:.3rem;}
.case p{font-size:.92rem;color:var(--muted);margin:0;}
@media (max-width:700px){.case{grid-template-columns:1fr;}}

/* ---------- steps ---------- */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:2rem;}
.step{background:var(--white);padding:1.7rem 1.5rem;counter-increment:step;}
.step::before{
  content:counter(step,decimal-leading-zero);
  display:block;font-size:.8rem;font-weight:600;letter-spacing:.1em;color:var(--teal);margin-bottom:.8rem;
}
.step h3{font-size:.98rem;}
.step p{font-size:.9rem;color:var(--muted);margin:0;}

/* ---------- diagram ---------- */
.diagram{background:var(--white);border:1px solid var(--line);padding:clamp(1rem,3vw,2rem);margin:1.8rem 0;}
.diagram svg{width:100%;height:auto;}
.diagram figcaption{font-size:.8rem;color:var(--muted);margin-top:.8rem;}

/* ---------- reveal animations (only when JS is available) ---------- */
html.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease;}
html.js .reveal.visible{opacity:1;transform:none;}
html.js .reveal-d1{transition-delay:.08s;}
html.js .reveal-d2{transition-delay:.16s;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  html.js .reveal{opacity:1;transform:none;transition:none;}
  html.js .media-reveal::after{display:none;}
  html.js .media-reveal img{scale:1;}
  html.js .hero > .hero-bg{animation:none;}
  .hero-bg,.band .hero-bg,.split-media img,.img-card img{transform:none !important;}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--navy);
  color:#fff;padding:clamp(2.2rem,5vw,3.2rem);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.6rem;
  border-top:2px solid var(--cyan);
}
.cta-band h2{color:#fff;margin-bottom:.4rem;}
.cta-band p{color:#c5dae0;margin:0;max-width:38em;}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(2rem,4vw,3.5rem);align-items:start;}
@media (max-width:840px){.contact-grid{grid-template-columns:1fr;}}
.contact-aside{background:var(--navy);color:#fff;padding:2rem;}
.contact-aside h3{color:#fff;}
.contact-aside a{color:var(--cyan);font-weight:600;}
.contact-aside .row{display:flex;gap:.9rem;align-items:flex-start;margin-bottom:1.2rem;}
.contact-aside .row svg{width:20px;height:20px;flex:none;color:var(--cyan);margin-top:.25rem;}
.contact-aside .row p{margin:0;color:#c5dae0;font-size:.93rem;}
.copy-btn{
  background:transparent;border:1px solid rgba(255,255,255,.35);color:#fff;
  font:inherit;font-size:.72rem;font-weight:600;letter-spacing:.08em;padding:.15rem .7rem;cursor:pointer;
  transition:border-color .2s,color .2s;
}
.copy-btn:hover{border-color:var(--cyan);color:var(--cyan);}

/* form */
.form{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem;}
.form .full{grid-column:1/-1;}
.field label{display:block;font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--navy);margin-bottom:.35rem;}
.field input,.field textarea{
  width:100%;padding:.75rem .9rem;border:1px solid var(--line);background:var(--white);
  font:inherit;font-size:.95rem;color:var(--ink);transition:border-color .2s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--teal);}
.field textarea{min-height:160px;resize:vertical;}
.field .req{color:var(--teal);}
.consent{display:flex;gap:.6rem;align-items:flex-start;font-size:.84rem;color:var(--muted);}
.consent input{margin-top:.3rem;}
.hp{position:absolute;left:-9999px;top:-9999px;height:0;width:0;overflow:hidden;}
.form-note{font-size:.8rem;color:var(--muted);margin-top:.4rem;}
.form-status{padding:1rem 1.2rem;font-size:.92rem;display:none;margin-bottom:1rem;}
.form-status.ok{display:block;background:var(--ice);border-left:2px solid var(--teal);color:var(--navy);}
.form-status.err{display:block;background:#fdf0ec;border-left:2px solid #b06a3c;color:#7a4a26;}
@media (max-width:700px){.form{grid-template-columns:1fr;}}

/* ---------- footer ---------- */
.site-footer{background:var(--navy);color:#a9c3cc;padding:3.6rem 0 2rem;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2.5rem;margin-bottom:2.4rem;}
@media (max-width:840px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr;}}
.site-footer h4{color:#fff;font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;margin-bottom:1rem;font-weight:600;}
.site-footer ul{list-style:none;margin:0;}
.site-footer li{margin-bottom:.45rem;}
.site-footer a{color:#a9c3cc;font-size:.9rem;}
.site-footer a:hover{color:var(--cyan);}
.footer-brand{display:flex;align-items:center;gap:.65rem;color:#fff;font-weight:650;letter-spacing:.14em;margin-bottom:1rem;}
.footer-brand svg{width:30px;height:30px;}
.site-footer .small{font-size:.8rem;color:#7f9aa4;line-height:1.7;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:1.5rem;display:flex;flex-wrap:wrap;justify-content:space-between;gap:.8rem;font-size:.78rem;color:#7f9aa4;}
.footer-bottom a{color:#7f9aa4;font-size:.78rem;}

/* ---------- legal pages ---------- */
.legal h2{margin-top:2.4rem;font-size:1.25rem;}
.legal h3{margin-top:1.6rem;}
.legal p,.legal li{color:var(--muted);font-size:.95rem;}

/* ---------- misc ---------- */
.anchor-offset{scroll-margin-top:calc(var(--header-h) + 20px);}
.footnote{font-size:.8rem;color:var(--muted);}
::selection{background:var(--cyan);color:var(--navy);}