/* ===== Kaydani Compressor Engineering — design system ===== */
:root{
  --ink:#13212e;            /* body text */
  --ink-soft:#455563;       /* secondary text */
  --muted:#6b7c8c;          /* tertiary */
  --navy:#0b2540;           /* dark sections */
  --navy-2:#0e2c4d;
  --brand:#1a8fd1;          /* cyan-blue accent (VD emblem) */
  --brand-dark:#1466c0;
  --brand-ink:#0d4c86;
  --bg:#ffffff;
  --bg-soft:#f4f7fa;
  --bg-softer:#eef3f8;
  --border:#e2e8f0;
  --border-strong:#cfd9e4;
  --ok:#1f9d6b;
  --warn:#d98a1f;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 1px 2px rgba(16,40,66,.06), 0 8px 24px rgba(16,40,66,.06);
  --shadow-lg:0 12px 40px rgba(11,37,64,.16);
  --maxw:1160px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-dark);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.2;color:var(--ink);font-weight:700;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.4vw,3.1rem);letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3vw,2.1rem);letter-spacing:-.01em}
h3{font-size:1.22rem}
p{margin:0 0 1rem}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:76px 0}
.section--soft{background:var(--bg-soft)}
.section--tight{padding:52px 0}
.eyebrow{color:var(--brand-dark);font-weight:700;text-transform:uppercase;
  letter-spacing:.14em;font-size:.78rem;margin-bottom:.6rem}
.lead{font-size:1.16rem;color:var(--ink-soft);max-width:64ch}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.muted{color:var(--muted)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;
  padding:.8rem 1.4rem;border-radius:var(--radius-sm);border:1px solid transparent;
  cursor:pointer;transition:.15s;font-size:.98rem;text-decoration:none}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(26,143,209,.28)}
.btn--primary:hover{background:var(--brand-dark)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn--ghost:hover{background:rgba(255,255,255,.1)}
.btn--outline{background:#fff;color:var(--brand-dark);border-color:var(--border-strong)}
.btn--outline:hover{border-color:var(--brand)}
.btn--lg{padding:1rem 1.7rem;font-size:1.05rem}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--ink);
  letter-spacing:-.01em;text-decoration:none;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand__logo{width:40px;height:40px;flex:none}
.brand__name{display:flex;flex-direction:column;line-height:1.05}
.brand__name b{font-size:1.06rem}
.brand__name span{font-size:.66rem;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);font-weight:600}
.nav__links{display:flex;gap:2px;margin-left:auto;flex-wrap:wrap}
.nav__links a{color:var(--ink-soft);font-weight:600;font-size:.93rem;padding:.5rem .7rem;border-radius:6px}
.nav__links a:hover{color:var(--brand-dark);background:var(--bg-soft);text-decoration:none}
.nav__links a.active{color:var(--brand-dark)}
.nav__right{display:flex;align-items:center;gap:10px}
.lang{position:relative}
.lang__btn{background:var(--bg-soft);border:1px solid var(--border);border-radius:6px;
  padding:.45rem .6rem;font-weight:700;font-size:.82rem;color:var(--ink-soft);cursor:pointer}
.lang__menu{position:absolute;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--border);
  border-radius:8px;box-shadow:var(--shadow);min-width:150px;padding:6px;display:none}
.lang__menu.open{display:block}
.lang__menu button{display:block;width:100%;text-align:left;background:none;border:0;
  padding:.5rem .6rem;border-radius:6px;cursor:pointer;font-size:.9rem;color:var(--ink)}
.lang__menu button:hover{background:var(--bg-soft)}
.nav__toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav__toggle svg{width:26px;height:26px}

/* hero */
.hero{position:relative;color:#eaf2fb;background:
   radial-gradient(900px 500px at 82% -10%, rgba(26,143,209,.35), transparent 60%),
   linear-gradient(160deg,#0b2540 0%,#0a1e35 60%,#081726 100%);overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;mask-image:radial-gradient(700px 400px at 75% 0%,#000,transparent 75%);opacity:.5}
.hero__inner{position:relative;z-index:1;padding:88px 0 92px;max-width:none}
.hero h1{color:#fff;max-width:16ch}
.hero .lead{color:#c3d4e6;font-size:1.24rem}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.hero__tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.tag{border:1px solid rgba(255,255,255,.22);color:#d5e3f2;border-radius:999px;
  padding:.35rem .85rem;font-size:.82rem;font-weight:600;background:rgba(255,255,255,.04)}

/* grids & cards */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);transition:.15s}
.card:hover{box-shadow:var(--shadow-lg);border-color:var(--border-strong);transform:translateY(-2px)}
.card h3{margin-bottom:.4rem}
.card p{color:var(--ink-soft);font-size:.98rem;margin-bottom:0}
.card__icon{width:46px;height:46px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,#e8f4fc,#d7ebf8);color:var(--brand-dark);margin-bottom:16px}
.card__icon svg{width:26px;height:26px}
.card--link{cursor:pointer}
.card__more{display:inline-block;margin-top:14px;font-weight:700;font-size:.9rem;color:var(--brand-dark)}

/* feature list */
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.checklist li{position:relative;padding-left:30px;color:var(--ink-soft)}
.checklist li::before{content:"";position:absolute;left:0;top:.36em;width:18px;height:18px;border-radius:5px;
  background:var(--brand);mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 16.17 4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") center/14px no-repeat}
.cols-2{columns:2;column-gap:40px}
.cols-2 li{break-inside:avoid;-webkit-column-break-inside:avoid}

/* split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split--rev .split__media{order:-1}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat b{display:block;font-size:2.3rem;color:var(--brand-dark);letter-spacing:-.02em}
.stat span{color:var(--muted);font-size:.92rem;font-weight:600}

/* logos row */
.brands{display:flex;flex-wrap:wrap;gap:12px 26px;align-items:center;justify-content:center}
.brands span{color:var(--ink-soft);font-weight:700;font-size:1.02rem;opacity:.8}

/* CTA band */
.cta-band{background:linear-gradient(150deg,#0b2540,#0a2036);color:#fff;border-radius:16px;
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin:0}
.cta-band p{color:#c3d4e6;margin:.4rem 0 0}

/* page hero (inner pages) */
.page-hero{background:linear-gradient(160deg,#0b2540,#0a1e33);color:#fff;padding:64px 0 58px}
.page-hero h1{color:#fff;margin-bottom:.3rem}
.page-hero p{color:#c3d4e6;max-width:66ch;margin:0}
.breadcrumb{color:#8fb0cf;font-size:.85rem;margin-bottom:16px}
.breadcrumb a{color:#a9c6e0}

/* banner img */
.banner{border-radius:14px;overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow)}

/* forms */
.form{display:grid;gap:16px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-weight:600;font-size:.9rem;color:var(--ink)}
.field input,.field select,.field textarea{
  border:1px solid var(--border-strong);border-radius:8px;padding:.72rem .85rem;font:inherit;
  font-size:.97rem;color:var(--ink);background:#fff;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid rgba(26,143,209,.35);border-color:var(--brand)}
.field textarea{min-height:120px;resize:vertical}
.form__note{font-size:.85rem;color:var(--muted)}
.form-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:30px;box-shadow:var(--shadow)}

/* contact info list */
.info{display:grid;gap:18px}
.info__item{display:flex;gap:14px;align-items:flex-start}
.info__item .ic{width:40px;height:40px;border-radius:9px;flex:none;background:var(--bg-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand-dark)}
.info__item .ic svg{width:22px;height:22px}
.info__item b{display:block}
.info__item span{color:var(--ink-soft)}

/* footer */
.site-footer{background:#081726;color:#a9bccf;padding:56px 0 26px;font-size:.94rem}
.site-footer a{color:#c3d4e6}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.site-footer h4{color:#fff;font-size:.95rem;letter-spacing:.04em;text-transform:uppercase;margin-bottom:14px}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.footer-brand b{color:#fff;font-size:1.05rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:38px;padding-top:20px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#7f95aa;font-size:.85rem}

/* cookie banner */
.cookie{position:fixed;left:20px;right:20px;bottom:20px;z-index:80;max-width:560px;margin:0 auto;
  background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-lg);
  padding:18px 20px;display:none;gap:14px;align-items:center;flex-wrap:wrap}
.cookie.show{display:flex}
.cookie p{margin:0;font-size:.9rem;color:var(--ink-soft);flex:1 1 260px}

/* language notice */
.lang-note{background:#fff6e6;border-bottom:1px solid #f0e0bf;color:#8a6a1f;
  text-align:center;font-size:.88rem;padding:.5rem 1rem;display:none}
.lang-note.show{display:block}

/* responsive */
@media(max-width:960px){
  .split{grid-template-columns:1fr;gap:28px}
  .split--rev .split__media{order:0}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(2,1fr);gap:26px}
}
@media(max-width:760px){
  .nav__links{display:none;position:absolute;left:0;right:0;top:72px;background:#fff;
    border-bottom:1px solid var(--border);flex-direction:column;padding:10px 16px;gap:2px;box-shadow:var(--shadow)}
  .nav__links.open{display:flex}
  .nav__links a{padding:.7rem .6rem;font-size:1rem}
  .nav__toggle{display:block;margin-left:auto}
  .nav__right .btn{display:none}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .cols-2{columns:1}
  .form .row{grid-template-columns:1fr}
  .cta-band{padding:32px}
  .section{padding:52px 0}
  .stats{grid-template-columns:repeat(2,1fr)}
}