/* ===== Zeltis Consultancy — shared styles ===== */
:root{
  --ink:#14233A;        /* deep institutional blue-black */
  --ink-2:#1F3556;      /* secondary blue */
  --parchment:#F5F1E8;  /* warm paper */
  --parchment-2:#EDE7D8;
  --amber:#D98A2B;      /* signal accent */
  --amber-deep:#B86F1C;
  --slate:#5A6577;      /* muted text */
  --line:#D8D0BF;       /* hairline */
  --white:#FBFAF6;
  --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter",system-ui,sans-serif;
  color:var(--ink);
  background:var(--parchment);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.display{font-family:"Fraunces",Georgia,serif;font-weight:500;letter-spacing:-.01em;line-height:1.08}
a{color:inherit}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.eyebrow{
  font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;
  font-weight:600;color:var(--amber-deep);margin:0 0 14px
}

/* ---- nav ---- */
.nav{position:sticky;top:0;z-index:50;background:rgba(245,241,232,.86);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;
  height:70px;max-width:var(--maxw);margin:0 auto;padding:0 28px}
.brand{font-family:"Fraunces",serif;font-size:1.35rem;font-weight:600;
  letter-spacing:-.02em;text-decoration:none;display:flex;align-items:center;gap:11px}
/* Z monogram badge */
.brand .mark{width:30px;height:30px;flex:0 0 30px;border-radius:7px;
  background:var(--ink);position:relative;display:inline-flex;
  align-items:center;justify-content:center;overflow:hidden}
.brand .mark svg{width:18px;height:18px;display:block}
.brand .mark .z-bar{stroke:var(--parchment)}
.brand .mark .z-diag{stroke:var(--amber)}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{text-decoration:none;font-size:.92rem;font-weight:500;color:var(--ink-2)}
.nav-links a:hover{color:var(--amber-deep)}
.nav-links a.active{color:var(--amber-deep)}
.nav-cta{border:1px solid var(--ink);padding:9px 18px;border-radius:2px;
  font-size:.88rem!important;transition:.2s}
.nav-cta:hover{background:var(--ink);color:var(--parchment)!important}
.menu-btn{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer;color:var(--ink)}

/* ---- buttons ---- */
.btn{display:inline-block;text-decoration:none;font-weight:600;font-size:.92rem;
  padding:13px 26px;border-radius:2px;transition:.2s;cursor:pointer}
.btn-primary{background:var(--amber);color:var(--ink)}
.btn-primary:hover{background:var(--amber-deep);color:var(--white)}
.btn-ghost{border:1px solid var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--parchment)}

/* ---- hero ---- */
.hero{background:var(--ink);color:var(--parchment);position:relative;overflow:hidden;min-height:60vh}
.hero .wrap{padding-top:96px;padding-bottom:96px;position:relative;z-index:2}
.hero h1{font-size:clamp(2.6rem,6vw,4.6rem);max-width:14ch;margin:0 0 26px}
.hero p{font-size:clamp(1.05rem,2vw,1.28rem);max-width:52ch;color:#C9CFDB;margin:0 0 36px}
.hero .accent{color:var(--amber);font-style:italic}
/* field-grid signature */
.grid-bg{position:absolute;inset:0;z-index:1;opacity:.5;
  background-image:linear-gradient(var(--ink-2) 1px,transparent 1px),
                   linear-gradient(90deg,var(--ink-2) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(120% 90% at 80% 10%,#000 30%,transparent 75%)}
.hero-stats{display:flex;gap:48px;flex-wrap:wrap;margin-top:8px;
  border-top:1px solid var(--ink-2);padding-top:30px}
.hero-stats .n{font-family:"Fraunces",serif;font-size:2.1rem;color:var(--amber);line-height:1}
.hero-stats .l{font-size:.82rem;color:#9AA4B5;margin-top:6px;max-width:20ch}
/* giant Z watermark */
.z-watermark{position:absolute;z-index:1;right:-2vw;top:50%;transform:translateY(-50%);
  font-family:"Fraunces",serif;font-weight:600;font-size:34vw;line-height:1;
  color:var(--amber);opacity:.10;pointer-events:none;user-select:none}

/* ---- sections ---- */
section{padding:84px 0}
.section-head{max-width:60ch;margin-bottom:54px}
.section-head h2{font-size:clamp(1.9rem,3.6vw,2.8rem);margin:0 0 18px}
.section-head p{font-size:1.08rem;color:var(--slate);margin:0}
.lede{font-size:1.25rem;line-height:1.55;color:var(--ink-2);max-width:60ch}

/* ---- practice grid ---- */
.grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.cell{background:var(--parchment);padding:38px 32px}
.cell .num{font-family:"Fraunces",serif;color:var(--amber-deep);font-size:.95rem;
  letter-spacing:.05em;margin-bottom:18px}
.cell h3{font-size:1.3rem;margin:0 0 12px}
.cell p{color:var(--slate);font-size:.96rem;margin:0}
.cell ul{margin:14px 0 0;padding-left:18px;color:var(--slate);font-size:.92rem}
.cell ul li{margin-bottom:6px}

/* tone alt sections */
.alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ink-sec{background:var(--ink);color:var(--parchment)}
.ink-sec .section-head p{color:#AEB7C6}
.ink-sec .eyebrow{color:var(--amber)}

/* approach steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--ink-2)}
.step{background:var(--ink);padding:30px 24px}
.step .s{font-family:"Fraunces",serif;color:var(--amber);font-size:1.4rem}
.step h4{margin:14px 0 8px;font-size:1.05rem;font-weight:600;font-family:"Inter",sans-serif}
.step p{color:#9AA4B5;font-size:.9rem;margin:0}

/* CTA band */
.cta-band{background:var(--amber);color:var(--ink)}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;
  gap:30px;flex-wrap:wrap;padding-top:60px;padding-bottom:60px}
.cta-band h2{font-size:clamp(1.7rem,3vw,2.4rem);margin:0;max-width:20ch}
.cta-band .btn-ghost{border-color:var(--ink)}

/* ---- tech governance specifics ---- */
.diagram{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--ink-2);border:1px solid var(--ink-2);margin-top:10px}
.node{background:var(--ink);padding:26px 22px}
.node .tag{font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--amber);font-weight:600}
.node h4{font-family:"Fraunces",serif;font-weight:500;font-size:1.15rem;margin:10px 0 8px}
.node p{color:#9AA4B5;font-size:.88rem;margin:0}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.pill{border:1px solid var(--line);background:var(--parchment);
  padding:8px 16px;border-radius:30px;font-size:.86rem;font-weight:500;color:var(--ink-2)}

/* feature rows */
.frow{display:grid;grid-template-columns:1fr 1.4fr;gap:54px;align-items:start;
  padding:46px 0;border-top:1px solid var(--line)}
.frow:last-child{border-bottom:1px solid var(--line)}
.frow .k{font-family:"Fraunces",serif;font-size:1.45rem}
.frow .k .idx{display:block;color:var(--amber-deep);font-size:.85rem;
  font-family:"Inter",sans-serif;letter-spacing:.1em;margin-bottom:10px}
.frow p{margin:0 0 14px;color:var(--slate)}

/* ---- about ---- */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:10px}
.value h3{font-size:1.2rem;margin:0 0 10px;display:flex;align-items:baseline;gap:10px}
.value h3 span{color:var(--amber-deep);font-size:.85rem}
.value p{color:var(--slate);margin:0;font-size:.96rem}

/* ---- contact ---- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.field{margin-bottom:20px}
.field label{display:block;font-size:.82rem;font-weight:600;letter-spacing:.04em;
  text-transform:uppercase;margin-bottom:8px;color:var(--ink-2)}
.field input,.field textarea,.field select{width:100%;padding:13px 14px;
  border:1px solid var(--line);background:var(--white);font:inherit;border-radius:2px;color:var(--ink)}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--amber);border-color:var(--amber)}
.contact-detail{margin-bottom:30px}
.contact-detail .k{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--amber-deep);font-weight:600;margin-bottom:6px}
.contact-detail .v{font-size:1.1rem;color:var(--ink-2)}

/* ---- footer ---- */
footer{background:var(--ink);color:#9AA4B5;padding:60px 0 34px}
.foot-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;
  padding-bottom:36px;border-bottom:1px solid var(--ink-2)}
footer .brand{color:var(--parchment)}
footer .brand .mark{background:var(--parchment)}
footer .brand .mark .z-bar{stroke:var(--ink)}
footer .brand .mark .z-diag{stroke:var(--amber-deep)}
.foot-cols{display:flex;gap:64px;flex-wrap:wrap}
.foot-col h5{color:var(--parchment);font-size:.78rem;letter-spacing:.14em;
  text-transform:uppercase;margin:0 0 16px;font-weight:600}
.foot-col a{display:block;text-decoration:none;font-size:.92rem;margin-bottom:10px;color:#9AA4B5}
.foot-col a:hover{color:var(--amber)}
.foot-bot{padding-top:26px;font-size:.84rem;display:flex;
  justify-content:space-between;gap:20px;flex-wrap:wrap}

/* page header (non-home) */
.page-head{background:var(--ink);color:var(--parchment);padding:80px 0 70px;
  position:relative;overflow:hidden}
.page-head .wrap{position:relative;z-index:2}
.page-head h1{font-size:clamp(2.3rem,5vw,3.6rem);max-width:18ch;margin:.4em 0 18px}
.page-head p{font-size:1.15rem;color:#C9CFDB;max-width:54ch;margin:0}

/* responsive */
@media(max-width:860px){
  .nav-links{position:fixed;inset:70px 0 auto 0;background:var(--parchment);
    flex-direction:column;gap:0;padding:8px 0;border-bottom:1px solid var(--line);
    display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 28px;width:100%}
  .menu-btn{display:block}
  .grid-2,.grid-3,.diagram,.steps,.values,.contact-grid,.frow{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .frow{gap:18px}
}
@media(max-width:520px){.steps{grid-template-columns:1fr}}