/* Rigor — phone layout (≤48rem). Loaded only on small screens; the desktop files are untouched.
   Composed for 22.5rem first. App-style chrome: compact header, bottom tab bar, bottom-sheet menu, swipe carousels. */

:root{--gutter:1rem;--tab-h:4rem;--head-h:3.75rem;--mq-h:3.5rem}
html{font-size:clamp(14px, 4.1026vw, 18px)}
body{font-size:1rem;line-height:1.6;padding-bottom:calc(var(--tab-h) + env(safe-area-inset-bottom));overflow-x:hidden}
html[lang=ar] body{font-size:1.0312rem;line-height:1.75}
a,button,.btn,.tabbar a{touch-action:manipulation;-webkit-tap-highlight-color:transparent}
h1{font-size:clamp(2.125rem,9.6vw,2.75rem);line-height:1.02}
h2{font-size:clamp(1.625rem,7.2vw,2rem);line-height:1.1}
h3{font-size:1.125rem}
html[lang=ar] h1{line-height:1.22}
html[lang=ar] h2{line-height:1.28}
.lead{font-size:1.0312rem;max-width:none}
html[lang=ar] .lead{font-size:1.0625rem}
.eyebrow{margin-bottom:0.75rem}
.section{padding-block:3.5rem}
.section-head{margin-bottom:1.75rem}
.section-head.row{flex-direction:column;align-items:flex-start;gap:0.75rem}
.btn{min-height:3rem;padding:0.75rem 1.375rem;font-size:0.9688rem}
.btn-sm{min-height:2.5rem;padding:0.5rem 1rem;font-size:0.875rem}
[data-magnetic]{transform:none!important}

/* ---- header: symbol only, 3.75rem ---- */
.site-header{position:sticky;top:0}
.site-header.on-dark{position:fixed}
.nav-wrap{min-height:var(--head-h);gap:0.75rem}
.brand{width:max(10rem,160px);height:auto;display:block}
.brand-light,.brand-dark{width:100%}
.brand-sym,.brand-sym-dark{display:none!important}
.nav-toggle{display:flex;width:3rem;height:3rem;margin-inline-end:-0.5rem}
.nav-wrap{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:0.5rem}
.nav{grid-column:1 / -1}
.lang-top{display:inline-grid;place-items:center;min-height:2.5rem;padding:0 0.75rem;border:1.5px solid rgba(28,29,33,.25);border-radius:62.4375rem;font-size:0.875rem;font-weight:700;opacity:1;justify-self:end;margin-inline-end:0.375rem}
.on-dark .lang-top{border-color:rgba(242,241,238,.35);color:#fff}
html[lang=ar] .lang-top{font-family:var(--font-en);font-size:0.8125rem;letter-spacing:.02em}
html[lang=en] .lang-top{font-family:var(--font-ar);font-size:1rem;padding-bottom:2px}
.nav-open .lang-top{visibility:hidden}

/* ---- menu: bottom sheet ---- */
.nav{position:fixed;inset:auto 0 0 0;top:auto;height:auto;max-height:calc(100dvh - 2.5rem);background:var(--carbon);color:#fff;border-radius:1.375rem 1.375rem 0 0;padding:0.875rem var(--gutter) calc(1.5rem + env(safe-area-inset-bottom));transform:translateY(102%);opacity:1;visibility:hidden;transition:transform .42s var(--ease),visibility 0s .42s;flex-direction:column;justify-content:flex-start;gap:1.125rem;overflow:auto;box-shadow:0 -1.25rem 3.75rem rgba(0,0,0,.45)}
.nav::before{content:"";display:block;width:2.75rem;height:0.25rem;border-radius:2px;background:rgba(255,255,255,.25);margin:0 auto 0.375rem}
.nav-open .nav{transform:none;visibility:visible;transition:transform .42s var(--ease)}
.nav ul{flex-direction:column;gap:0;text-align:start;width:100%}
.nav li a{display:flex;align-items:center;justify-content:space-between;font-size:1.375rem;font-weight:800;padding:0.875rem 0.375rem;border-bottom:1px solid rgba(255,255,255,.08);border-radius:0;min-height:3.5rem}
html[lang=ar] .nav li a{font-size:1.4375rem}
.nav li a::after{content:"→";font-weight:300;color:var(--signal);font-size:1.25rem}
[dir=rtl] .nav li a::after{content:"←"}
.nav li a[aria-current]{color:var(--signal)}
.nav-actions{flex-direction:row;gap:0.625rem;width:100%}
.nav-actions .lang{flex:1;text-align:center;min-height:3rem;display:grid;place-items:center;border:1.5px solid rgba(255,255,255,.2);border-radius:62.4375rem;font-size:1rem;opacity:1}
.nav-actions .btn{flex:1.4}
.nav-scrim{position:fixed;inset:0;background:rgba(28,29,33,.55);z-index:49;opacity:0;visibility:hidden;transition:opacity .3s,visibility 0s .3s}
.nav-open .nav-scrim{opacity:1;visibility:visible;transition:opacity .3s}
.nav-open .nav-toggle{position:fixed;top:0.375rem;inset-inline-end:0.5rem;z-index:70;color:#fff}

/* ---- bottom tab bar ---- */
.tabbar{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;inset-inline:0;bottom:0;z-index:48;height:calc(var(--tab-h) + env(safe-area-inset-bottom));padding:0.375rem max(0.375rem,env(safe-area-inset-left)) env(safe-area-inset-bottom) max(0.375rem,env(safe-area-inset-right));background:rgba(242,241,238,.94);backdrop-filter:blur(1rem);-webkit-backdrop-filter:blur(1rem);border-top:1px solid var(--line);transition:transform .3s var(--ease)}
.tabbar.hide{transform:translateY(110%)}
.tabbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0.25rem;min-height:3.25rem;border-radius:0.75rem;font-size:0.6875rem;font-weight:600;letter-spacing:.02em;color:var(--gunmetal)}
html[lang=ar] .tabbar a{font-size:0.7812rem;font-weight:700}
.tabbar svg{width:1.375rem;height:1.375rem;stroke-width:1.7}
.tabbar a[aria-current]{color:var(--signal)}
.tabbar a[aria-current] svg{stroke-width:2.1}
.tabbar a:active{background:rgba(28,29,33,.06)}
.page-home .tabbar{background:rgba(28,29,33,.9);border-top-color:rgba(255,255,255,.08)}
.page-home .tabbar a{color:rgba(242,241,238,.75)}
.page-home .tabbar a[aria-current]{color:var(--signal)}
.page-home .tabbar.light{background:rgba(242,241,238,.94);border-top-color:var(--line)}
.page-home .tabbar.light a{color:var(--gunmetal)}
.page-home .tabbar.light a[aria-current]{color:var(--signal)}

/* ---- hero: full visible screen ---- */
.hero{min-height:calc(100svh - var(--tab-h) - var(--mq-h) - env(safe-area-inset-bottom));height:auto;max-height:none;padding:calc(var(--head-h) + 1.25rem) 0 2.5rem;align-items:center}
.hero-inner{padding-inline:var(--gutter)}
.hero .eyebrow{font-size:0.6562rem;letter-spacing:.22em}
html[lang=ar] .hero .eyebrow{font-size:0.8125rem;letter-spacing:.04em}
.hero h1{font-size:clamp(2.75rem,13vw,3.75rem);max-width:none;margin-bottom:.3em}
html[lang=ar] .hero h1{font-size:clamp(2.625rem,12vw,3.5rem)}
.hero .lead{font-size:1rem;margin-bottom:1.5rem;max-width:none}
.actions{flex-direction:column;gap:0.625rem}
.actions .btn{width:100%;min-height:3.25rem}
.hero-mark{inset-inline-end:-26vw;top:-2vh;bottom:auto;width:92vw;transform:none;opacity:.07}
[dir=rtl] .hero-mark{transform:scaleX(-1)}
.hero-bg::before{background:radial-gradient(70% 45% at 100% 0%,rgba(215,38,61,.34),transparent 65%),radial-gradient(45% 40% at 0% 100%,rgba(255,255,255,.05),transparent 60%)}
.hero::after{content:"";position:absolute;bottom:0.75rem;inset-inline-start:50%;width:1px;height:2.875rem;background:linear-gradient(var(--signal),transparent);animation:cue 1.8s ease-in-out infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
@media (prefers-reduced-motion:reduce){.hero::after{animation:none}}

/* ---- marquee ---- */
.marquee{height:var(--mq-h);padding:0;display:flex;align-items:center;box-sizing:border-box}
.marquee span{font-size:1.5rem}
.marquee-track{gap:1.5rem}
.marquee i{font-size:1rem}

/* ---- swipe carousels (shared) ---- */
.swipe,.panels,.track-items,.equip-grid{display:flex!important;flex-direction:row!important;overflow-x:auto;scroll-snap-type:x mandatory;gap:0.75rem;padding:0.25rem var(--gutter) 0.5rem;margin:0 calc(var(--gutter) * -1);scrollbar-width:none;-webkit-overflow-scrolling:touch;height:auto!important;width:auto!important}
.swipe::-webkit-scrollbar{display:none}
.swipe>*,.panels>*,.track-items>*,.equip-grid>*{flex:0 0 82vw;scroll-snap-align:center;scroll-snap-stop:always;width:auto!important;min-width:0}
.dots{display:flex;justify-content:center;gap:0;margin-top:0.5rem}
.dots button{width:2.75rem;height:2.75rem;border:0;padding:0;background:transparent;position:relative}
.dots button::before{content:"";position:absolute;left:50%;top:50%;width:0.5rem;height:0.5rem;margin:-0.25rem 0 0 -0.25rem;border-radius:0.25rem;background:rgba(28,29,33,.18);transition:width .3s var(--ease),margin .3s var(--ease),background .3s}
.dots button.on::before{width:1.625rem;margin-left:-0.8125rem;background:var(--signal)}
.section-dark .dots button::before,.track-section .dots button::before{background:rgba(255,255,255,.2)}
.section-dark .dots button.on::before,.track-section .dots button.on::before{background:var(--signal)}

/* disciplines: 3 cards you swipe */
.disciplines .wrap{overflow:visible}
.panels>.panel{height:min(78vw,26.25rem);flex-basis:80vw;padding:1.25rem;transition:none}
.panel img{transform:none;filter:grayscale(.35) brightness(.7)}
.panel::after{transform:scaleX(1)}
.panel h3{font-size:1.75rem;white-space:normal}
.panel p{max-height:none;opacity:1;transform:none;font-size:0.9062rem;line-height:1.5;color:rgba(242,241,238,.85)}
.panel-more{opacity:1;margin-top:0.75rem;font-size:0.7812rem}
.panel .card-icon{width:2.5rem;height:2.5rem;margin-bottom:0.625rem}

/* method: words reveal in place, no pin */
.method{height:auto!important;padding:3.5rem 0 3rem}
.method-pin{position:static;height:auto;display:block;overflow:visible}
.method-words{font-size:clamp(2.5rem,12.5vw,3.625rem);gap:0 .25em;margin-bottom:1.375rem}
html[lang=ar] .method-words{font-size:clamp(2.5rem,11.5vw,3.375rem)}
.method-words span{transition:color .5s var(--ease),opacity .5s var(--ease),transform .6s var(--ease)}
.method-bar{width:100%;margin-bottom:1.375rem}
.method-bar i{transition:transform 1.2s var(--ease)}
.method.in .method-bar i{transform:scaleX(1)}
.method-lead,.method-cta{transition:opacity .6s var(--ease) .2s,transform .6s var(--ease) .2s}
.method.in .method-lead,.method.in .method-cta{opacity:1;transform:none}
.method-cta{width:100%}

/* delivery steps: swipe */
.track-pin{height:auto;padding:3.5rem 0 3rem;gap:1.375rem}
.track-items{padding-inline:var(--gutter)}
.track-items>li{flex-basis:80vw;min-height:0;padding:1.375rem 1.25rem 1.25rem}
.track-n{font-size:4.75rem;margin-bottom:0.5rem}
.track-items h3{margin-top:0.625rem;font-size:1.1875rem}
.track-items p{font-size:0.9062rem}
.track-progress{display:block;padding-inline:var(--gutter);margin-top:0.25rem}

/* proof: list rows */
.proof-grid{display:flex;flex-direction:column;gap:0;border-top:1px solid rgba(255,255,255,.1)}
.proof.spot{display:grid;grid-template-columns:2.5rem 1fr;column-gap:0.875rem;padding:1.125rem 0;border:0;border-bottom:1px solid rgba(255,255,255,.1);border-radius:0;background:transparent}
.proof .card-icon{width:2.5rem;height:2.5rem;margin:0;grid-row:span 2}
.proof h3{margin:0 0 0.25rem;font-size:1.0625rem}
.proof p{font-size:0.9062rem}
.proof::before{display:none}

/* photo strip */
.strip{scroll-snap-type:x mandatory;gap:0.625rem}
.strip figure{width:78vw;scroll-snap-align:center}
.hint{font-size:0.6875rem}

/* cta */
.cta-band{padding-block:3rem}
.cta-band .wrap{flex-direction:column;align-items:stretch;gap:1.25rem}
.cta-band h2{max-width:none}
.cta-band .btn{width:100%}

/* ---- inner pages ---- */
.page-hero{padding:2.25rem 0 2rem}
.page-hero::after{width:70vw;top:-6%;inset-inline-end:-24vw;opacity:.045}
.page-hero h1{max-width:none}
.jump{display:flex;flex-wrap:nowrap;overflow-x:auto;gap:0.5rem;margin:1.25rem calc(var(--gutter) * -1) 0;padding:0.25rem var(--gutter);scrollbar-width:none;position:sticky;top:var(--head-h)}
.jump::-webkit-scrollbar{display:none}
.jump a{flex:none;min-height:2.5rem;display:inline-flex;align-items:center;background:#fff;border-color:var(--line)}

/* cards → rows */
.cards{gap:0.625rem}
.cols-3,.cols-4{grid-template-columns:1fr}
.card{display:grid;grid-template-columns:2.75rem 1fr;column-gap:0.875rem;padding:1.125rem 1rem;gap:0.25rem 0.875rem}
.card .card-icon{width:2.75rem;height:2.75rem;margin:0;grid-row:span 2}
.card h3{margin:0;font-size:1.0625rem;align-self:end}
.card p{font-size:0.9062rem}
.card-link{padding-inline-end:2.75rem}
.card-arrow{top:50%;transform:translateY(-50%);inset-inline-end:0.875rem}
.card-link:hover{transform:none}

/* split */
.split{gap:1.5rem}
.split-media{order:-1;max-width:none;padding:0}
.split-media img{aspect-ratio:16/10}
.split-media-2{display:none}
.split-text .btn{width:100%}

/* steps / stack grid */
.steps{grid-template-columns:1fr 1fr;gap:1px}
.steps li{padding:1.125rem 0.875rem}
.step-n{font-size:1.75rem;margin-bottom:0.5rem}
.steps h3{font-size:0.9688rem}
.steps p{font-size:0.8438rem}

/* services */
.service{padding-block:2.75rem}
.service-grid{gap:1.125rem}
.service-media{order:-1;max-width:none}
.service-media img{aspect-ratio:16/9}
.service-n{margin-bottom:0.5rem}
.service-text .card-icon{margin-bottom:0.625rem}
.service h2{font-size:1.625rem}
.checks li{font-size:0.9375rem}
.code-panel{padding:1.125rem;font-size:0.75rem}

/* capabilities */
.equip-grid>.equip{flex-basis:78vw}
.equip img{aspect-ratio:4/3}
.equip figcaption{padding:1rem 1.125rem 1.125rem}
.ref{flex-direction:column;align-items:stretch;gap:1rem}
.ref .btn{width:100%}

/* why */
.reason{grid-template-columns:2.75rem 1fr;gap:0.75rem;padding:1.5rem 0}
.reason-n{font-size:1.625rem}
.reason h2{font-size:1.375rem}
.reason .card-icon{display:none}

/* about partners */
.partner{gap:1.5rem}
.partner-logo{padding:1.5rem}

/* contact */
.contact-grid{gap:1.25rem}
.contact-form{padding:1.125rem;border-radius:0.875rem}
.field{margin-bottom:0.875rem}
.field input,.field select,.field textarea{font-size:1rem;padding:0.875rem 0.875rem;min-height:3.125rem}
.field-row{grid-template-columns:1fr;gap:0}
.form-foot{flex-direction:column;align-items:stretch;gap:0.75rem}
.form-foot .btn{width:100%;min-height:3.25rem}
.form-foot small{text-align:center}
.contact-info{padding:1.375rem}
.contact-info h2{font-size:1.125rem;margin-bottom:1.125rem}
.contact-info .btn{width:100%}

/* footer */
.site-footer{padding:3rem 0 1.5rem}
.foot-grid{grid-template-columns:1fr 1fr;gap:1.75rem 1.25rem;margin-bottom:2rem}
.foot-brand{grid-column:1 / -1}
.foot-brand img{width:10.625rem}
.site-footer ul{gap:0}
.site-footer li a{display:block;padding:0.6875rem 0;min-height:2.75rem}
.foot-bottom{flex-direction:column;gap:0.5rem;font-size:0.75rem;padding-top:1.125rem}
.foot-bottom .credit{padding:0.5rem 0}

/* right-click panel never on phones; cursor never on phones */
.ctx,.cursor{display:none!important}

/* keyboard open: lift fixed chrome */
body.kb-open .tabbar{transform:translateY(110%)}

/* menu button: bordered pill like the language switch, thick lines, visible on any background */
.nav-toggle{width:2.75rem;height:2.5rem;margin-inline-end:0;border-radius:999px;border:1.5px solid rgba(28,29,33,.3);background:rgba(255,255,255,.35);color:var(--carbon);gap:0.3rem}
.nav-toggle span{width:1.25rem;height:2.5px;border-radius:2px;background:currentColor}
.on-dark .nav-toggle{border-color:rgba(242,241,238,.5);background:rgba(28,29,33,.35);color:#fff}
.lang-top{border-width:1.5px;background:rgba(255,255,255,.35)}
.on-dark .lang-top{background:rgba(28,29,33,.35);border-color:rgba(242,241,238,.5)}
.nav-open .nav-toggle{border-color:rgba(242,241,238,.3);background:rgba(255,255,255,.08);color:#fff}
.nav-open .nav-toggle span:nth-child(1){transform:translateY(calc(0.3rem + 2.5px)) rotate(45deg)}
.nav-open .nav-toggle span:nth-child(3){transform:translateY(calc(-0.3rem - 2.5px)) rotate(-45deg)}

/* no borders or pills on the header controls */
.nav-toggle,.on-dark .nav-toggle,.nav-open .nav-toggle{border:0;background:transparent;border-radius:0.75rem}
.lang-top,.on-dark .lang-top{border:0;background:transparent;padding:0 0.5rem;font-size:15px;font-weight:800}
html[lang=en] .lang-top{font-size:17px}
.nav-toggle span{height:3px}

/* menu sheet: explicit anchoring (no shorthand), stacked above everything, world UI hidden while open */
.nav{position:fixed!important;top:auto!important;right:0!important;bottom:0!important;left:0!important;height:auto!important;max-height:calc(100vh - 2.5rem);max-height:calc(100dvh - 2.5rem);z-index:60;width:auto}
.nav-open .nav{transform:none!important;visibility:visible!important;opacity:1!important}
.nav-open .nodepath,.nav-open .bot,.nav-open .chat,.nav-open .card-pop,.nav-open .lang-top{visibility:hidden!important}
.nav-open .tabbar{transform:translateY(110%)}
.nav ul{display:flex!important;flex-direction:column!important}
.nav-actions{display:flex!important}
/* robot: smaller on phones, never over the text column */
.bot{bottom:calc(5.2rem + env(safe-area-inset-bottom))}
.bot-body{width:6rem;height:7.4rem}
.bot-bubble{max-width:min(18rem,78vw);font-size:.85rem}
/* no backdrop blur on the phone header: in Chrome it would become the anchor for the fixed menu sheet */
.site-header,.site-header.scrolled,.site-header.on-dark,.site-header.on-dark.scrolled{backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
.site-header{background:rgba(242,241,238,.97)}
.site-header.on-dark{background:transparent}
.site-header.on-dark.scrolled{background:rgba(28,29,33,.95)}

/* menu: drops down from under the header, full height, links from the top, actions at the bottom */
.nav{top:var(--head-h)!important;bottom:0!important;max-height:none!important;border-radius:0;padding:0.5rem var(--gutter) calc(1.5rem + env(safe-area-inset-bottom));transform:translateY(-104%)!important;box-shadow:none;justify-content:flex-start}
.nav::before{display:none}
.nav-open .nav{transform:none!important}
.nav ul{margin-top:.5rem}
.nav li a{min-height:3.4rem;font-size:1.5rem}
.nav-actions{margin-top:auto}
.nav-scrim{display:none}
.nav-open .site-header{background:var(--carbon)!important}
.nav-open .brand-sym,.nav-open .brand-light{display:none!important}
.nav-open .brand-dark{display:block!important}