/* Vertex Innovaire — site stylesheet
   Tokens → base → layout → components → pages → utilities */

:root{
  --paper:#FFFFFF;
  --panel:#F2F5F9;
  --line:#D9E0E8;
  --line-strong:#B9C4D1;
  --ink:#0E1526;
  --ink-deep:#0A0F1C;
  --slate:#3B4A5C;
  --mist:#6B7A8C;
  --cobalt:#2348E0;
  --cobalt-ink:#1A37B3;
  --cobalt-soft:#E6EBFC;
  --on-ink:#EAF0F8;
  --on-ink-mute:#A3AEC2;
  --max:1120px;
  --gutter:clamp(20px,5vw,64px);
  --section:clamp(56px,8vw,112px);
  --radius:6px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--paper);color:var(--slate);
  font-family:"Archivo",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-variation-settings:"wdth" 100;
  font-size:17px;line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--cobalt);outline-offset:3px;border-radius:2px}
h1,h2,h3,h4{color:var(--ink);font-weight:600;letter-spacing:-.02em;line-height:1.1;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:10px 14px;z-index:100}
.skip:focus{left:8px}

.wrap{max-width:var(--max);margin:0 auto;padding-inline:var(--gutter)}

/* ---------- Type scale ---------- */
.display{font-size:clamp(40px,6.2vw,76px);line-height:1;letter-spacing:-.03em;font-variation-settings:"wdth" 108;max-width:14ch}
.h-page{font-size:clamp(36px,5vw,60px);line-height:1.02;letter-spacing:-.028em;font-variation-settings:"wdth" 108;max-width:16ch}
.h-section{font-size:clamp(28px,3.6vw,44px);letter-spacing:-.024em;font-variation-settings:"wdth" 106;max-width:22ch}
.h-item{font-size:clamp(20px,2.2vw,26px);letter-spacing:-.015em;font-variation-settings:"wdth" 104;line-height:1.2}
.lede{font-size:clamp(17px,1.6vw,21px);line-height:1.5;max-width:50ch}
.kicker{font-size:15px;font-weight:500;color:var(--mist);margin-bottom:10px}
.meta{font-size:15px;color:var(--mist)}
.measure{max-width:62ch}

/* ---------- Header ---------- */
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid transparent;transition:border-color .2s}
.site-head.scrolled{border-bottom-color:var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand img{height:38px;width:auto;flex:none}
.brand span{font-weight:600;font-size:18px;letter-spacing:-.01em;white-space:nowrap;font-variation-settings:"wdth" 106}
.nav{display:flex;align-items:center;gap:4px}
.nav a{font-size:15px;color:var(--slate);text-decoration:none;padding:8px 12px;border-radius:var(--radius);transition:color .15s,background .15s}
.nav a:hover{color:var(--ink);background:var(--panel)}
.nav a[aria-current="page"]{color:var(--ink);font-weight:500}
.nav a.btn{margin-left:8px}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);width:44px;height:44px;cursor:pointer;color:var(--ink);align-items:center;justify-content:center}
.menu-btn svg{width:22px;height:22px}
@media (max-width:900px){
  .menu-btn{display:inline-flex}
  .nav{display:none;position:absolute;left:0;right:0;top:72px;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:12px var(--gutter) 20px;gap:2px}
  .nav.open{display:flex}
  .nav a{padding:12px 10px;font-size:17px}
  .nav a.btn{margin:10px 0 0;text-align:center}
}

/* ---------- Buttons ---------- */
.btn{display:inline-block;background:var(--cobalt);color:#fff !important;text-decoration:none;font-weight:500;font-size:16px;padding:13px 20px;border-radius:var(--radius);border:0;cursor:pointer;transition:background .15s;line-height:1.2}
.btn:hover{background:var(--cobalt-ink)}
.btn.ghost{background:transparent;color:var(--ink) !important;border:1px solid var(--line-strong)}
.btn.ghost:hover{background:var(--panel)}
.btn.on-ink{background:#fff;color:var(--ink) !important}
.btn.on-ink:hover{background:var(--on-ink)}
.link{color:var(--ink);text-decoration:none;font-weight:500;border-bottom:1.5px solid var(--cobalt);padding-bottom:1px}
.link:hover{color:var(--cobalt-ink)}

/* ---------- Sections ---------- */
.section{padding-block:var(--section)}
.section.tight{padding-block:calc(var(--section)*.65)}
.section.rule{border-top:1px solid var(--line)}
.section.panel{background:var(--panel)}
.section.ink{background:var(--ink);color:var(--on-ink)}
.section.ink h1,.section.ink h2,.section.ink h3{color:#fff}
.section.ink .meta,.section.ink .kicker{color:var(--on-ink-mute)}
.section-head{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:24px 48px;align-items:end;margin-bottom:clamp(32px,4vw,56px)}
.section-head .lede{font-size:clamp(16px,1.4vw,19px)}
@media (max-width:820px){.section-head{grid-template-columns:1fr}}

/* ---------- Hero (home) ---------- */
.hero{padding-block:clamp(56px,9vw,120px) clamp(48px,7vw,96px);display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(32px,6vw,80px);align-items:center}
.hero .lede{margin:24px 0 28px}
.hero .meta{max-width:52ch;margin-bottom:36px}
.hero .actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-mark{width:100%;max-width:360px;height:auto;justify-self:end}
@media (max-width:820px){
  .hero{grid-template-columns:1fr;gap:36px}
  .hero-mark{max-width:120px;justify-self:start;order:-1}
}
@media (prefers-reduced-motion:no-preference){
  .hero>*{animation:rise .7s var(--ease) both}
  .hero .hero-mark{animation-delay:.15s}
  @keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{padding-block:clamp(48px,7vw,96px) clamp(40px,5vw,64px)}
.page-hero .lede{margin-top:20px}

/* ---------- Stat line ---------- */
.stats{display:flex;flex-wrap:wrap;gap:12px 40px;padding-block:28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats div{display:flex;align-items:baseline;gap:10px}
.stats b{color:var(--ink);font-size:clamp(24px,2.6vw,32px);font-weight:600;letter-spacing:-.02em;font-variation-settings:"wdth" 106;line-height:1}
.stats span{font-size:15px;color:var(--mist)}
.stats.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px 32px}
@media (max-width:640px){.stats.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ---------- Ruled list (services overview) ---------- */
.ruled li{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:12px 40px;padding:24px 0;border-bottom:1px solid var(--line)}
.ruled li:first-child{border-top:1px solid var(--line)}
.ruled h3 a{text-decoration:none;color:inherit}
.ruled h3 a:hover{color:var(--cobalt-ink)}
.ruled p{max-width:58ch;font-size:16px}
@media (max-width:820px){.ruled li{grid-template-columns:1fr;gap:8px}}

/* ---------- Service detail blocks ---------- */
.svc{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:24px 56px;padding-block:clamp(36px,4.5vw,64px);border-top:1px solid var(--line);scroll-margin-top:88px}
.svc:first-of-type{border-top:0;padding-top:0}
.svc .intro{font-size:17px;max-width:44ch;margin-top:14px}
.caps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 28px}
.caps li{position:relative;padding:12px 0 12px 20px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink)}
.caps li::before{content:"";position:absolute;left:0;top:21px;width:8px;height:8px;border-radius:50%;background:var(--cobalt)}
@media (max-width:820px){.svc{grid-template-columns:1fr}.caps{grid-template-columns:1fr}}
@media (min-width:821px){.caps li:nth-last-child(-n+2){border-bottom:0}}
@media (max-width:820px){.caps li:last-child{border-bottom:0}}

/* ---------- Work ---------- */
.work{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.work article{background:var(--paper);padding:28px 26px 30px;display:flex;flex-direction:column;gap:12px;min-height:260px}
.work .tag{font-size:13px;color:var(--mist);letter-spacing:.01em}
.work h3{font-size:clamp(19px,1.8vw,22px);line-height:1.2;letter-spacing:-.015em}
.work p{font-size:15.5px;flex:1}
.work .what{font-size:14px;color:var(--mist);border-top:1px solid var(--line);padding-top:12px;margin-top:4px}
.work .what b{color:var(--slate);font-weight:500}
@media (max-width:900px){.work{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.work{grid-template-columns:1fr}}

/* ---------- Process (numbered: a real sequence) ---------- */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:32px 28px}
.steps li{counter-increment:step;border-top:2px solid var(--ink);padding-top:18px}
.steps li::before{content:"0" counter(step);display:block;font-size:14px;color:var(--mist);margin-bottom:10px;font-variant-numeric:tabular-nums}
.steps h3{font-size:20px;margin-bottom:8px}
.steps p{font-size:15px}
.section.ink .steps li{border-top-color:rgba(255,255,255,.35)}
@media (max-width:1000px){.steps{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:640px){.steps{grid-template-columns:1fr;gap:24px}}

/* ---------- Two-column lists (industries, engagement) ---------- */
.cols2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(32px,5vw,72px)}
@media (max-width:820px){.cols2{grid-template-columns:1fr}}
.plain li{padding:12px 0;border-bottom:1px solid var(--line);color:var(--ink);font-size:17px}
.plain li:first-child{border-top:1px solid var(--line)}
.models li{padding:18px 0;border-bottom:1px solid var(--line)}
.models li:first-child{border-top:1px solid var(--line)}
.models h3{font-size:19px;margin-bottom:4px}
.models p{font-size:15.5px}
.section.ink .plain li,.section.ink .models li{border-color:rgba(255,255,255,.18);color:#fff}

/* ---------- Solutions grid ---------- */
.sol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 56px}
.sol article{padding:28px 0;border-top:1px solid var(--line);scroll-margin-top:88px}
.sol h3{font-size:22px;margin-bottom:10px}
.sol p{font-size:16px;max-width:52ch}
.sol .for{margin-top:12px;font-size:14px;color:var(--mist)}
.sol .for b{font-weight:500;color:var(--slate)}
@media (max-width:820px){.sol{grid-template-columns:1fr}}

/* ---------- About ---------- */
.mv{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(28px,4vw,56px)}
.mv div{border-top:2px solid var(--ink);padding-top:18px}
.mv h3{font-size:16px;font-weight:500;color:var(--mist);margin-bottom:12px}
.mv p{font-size:clamp(19px,2vw,24px);color:var(--ink);line-height:1.35;letter-spacing:-.01em;font-variation-settings:"wdth" 102}
@media (max-width:640px){.mv{grid-template-columns:1fr}}
.reg{display:grid;grid-template-columns:max-content 1fr;gap:10px 32px;font-size:15.5px}
.reg dt{color:var(--mist)}
.reg dd{margin:0;color:var(--ink)}
.reg dd[lang="ar"]{font-family:system-ui,"Segoe UI",Tahoma,sans-serif;font-size:17px;direction:rtl;text-align:left}
@media (max-width:560px){.reg{grid-template-columns:1fr;gap:4px 0}.reg dt{margin-top:10px}}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(40px,6vw,96px);align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.form{display:grid;gap:18px}
.form .row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
@media (max-width:560px){.form .row{grid-template-columns:1fr}}
.field{display:grid;gap:6px}
.field label{font-size:14px;color:var(--ink);font-weight:500}
.field input,.field select,.field textarea{font:inherit;font-size:16px;color:var(--ink);background:var(--paper);border:1px solid var(--line-strong);border-radius:var(--radius);padding:12px 14px;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--cobalt);outline:none;box-shadow:0 0 0 3px var(--cobalt-soft)}
.field textarea{min-height:150px;resize:vertical}
.field .hint{font-size:13px;color:var(--mist)}
.hp{position:absolute;left:-9999px;top:-9999px;height:0;width:0;overflow:hidden}
.form-msg{display:none;padding:14px 16px;border-radius:var(--radius);font-size:15px}
.form-msg.ok{display:block;background:#E6F6EC;color:#0F5A2E}
.form-msg.err{display:block;background:#FDECEC;color:#8A1F1F}
.details h3{font-size:15px;font-weight:500;color:var(--mist);margin-bottom:6px}
.details > div{padding:18px 0;border-top:1px solid var(--line)}
.details > div:last-child{border-bottom:1px solid var(--line)}
.details a{color:var(--ink);text-decoration:none;font-size:18px;font-weight:500}
.details a:hover{color:var(--cobalt-ink)}
.details address{font-style:normal;color:var(--ink);font-size:17px;line-height:1.5}

/* ---------- CTA band ---------- */
.cta-band{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:end}
.cta-band p{max-width:46ch;margin:14px 0 24px;color:var(--on-ink)}
.cta-band .lines{color:var(--on-ink);line-height:2;font-size:17px;justify-self:end;text-align:right}
.cta-band .lines a{color:#fff;text-decoration:none}
.cta-band .lines a:hover{text-decoration:underline}
@media (max-width:820px){.cta-band{grid-template-columns:1fr}.cta-band .lines{justify-self:start;text-align:left}}

/* ---------- Footer ---------- */
.site-foot{background:var(--ink-deep);color:var(--on-ink-mute);padding-block:48px 28px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:minmax(0,5fr) repeat(3,minmax(0,2fr));gap:32px 40px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12)}
.site-foot .brand{color:#fff}
.site-foot .about{margin-top:16px;max-width:38ch;line-height:1.6}
.site-foot h4{color:#fff;font-size:14px;font-weight:500;margin-bottom:12px}
.site-foot li{padding:4px 0}
.site-foot a{color:var(--on-ink-mute);text-decoration:none}
.site-foot a:hover{color:#fff}
.foot-base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;padding-top:20px;font-size:13px}
@media (max-width:820px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}

/* ---------- 404 ---------- */
.nf{min-height:60vh;display:grid;align-content:center}

/* ---------- Utilities ---------- */
.mt-s{margin-top:16px}.mt-m{margin-top:32px}.mt-l{margin-top:56px}
.right{text-align:right}
.visually-hidden{position:absolute !important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}