/* Rudrev Digital: UI layer (loads after style.css).
   Design tokens, header/logo, section rhythm, hero system, project grid,
   form states, consent banner and motion. Edit tokens in :root to retune the site. */

/* ---------- 1. Design tokens ---------- */
:root{
  --container:1240px;
  --gutter:clamp(16px,4vw,32px);
  --hh:76px;                         /* main nav height */
  --tb:36px;                         /* top contact bar height */
  --y:88px;                          /* vertical section rhythm: desktop 80-100 */
  --y-after-hero:clamp(32px,4vw,56px);
  --card-pad:clamp(22px,2.4vw,32px); /* card padding 24-32 */
  --r-card:20px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --lift:0 18px 40px rgba(17,24,39,.14);
}
@media(max-width:1099px){:root{--y:64px}}   /* tablet 56-72 */
@media(max-width:699px){:root{--y:48px;--hh:68px;--tb:32px}}  /* mobile 40-56 */

.wrap{width:min(var(--container),100% - 2*var(--gutter))}
html{scroll-padding-top:calc(var(--hh) + 24px)}
section[id],tr.grp th{scroll-margin-top:calc(var(--hh) + 64px)}
body{overflow-wrap:break-word}
h1,h2,h3{text-wrap:balance}
p{text-wrap:pretty}

/* ---------- 2. Header and logo ---------- */
header.site .nav{height:var(--hh);gap:20px}
header.site .nav>a:first-child{display:inline-flex;align-items:center;height:var(--hh);margin:0;flex:none}
header.site .nav img{height:clamp(46px,4.6vw,58px);width:auto;transform:none;display:block}
header.site .nav ul{gap:clamp(16px,2vw,30px)}
.nav .actions{flex:none}
.subnav{top:var(--hh)}
footer .fgrid img{height:clamp(52px,5vw,62px);width:auto;margin:0 0 14px;display:block}
@media(max-width:860px){
  .nav ul{top:calc(var(--hh) + var(--tb))}
  header.site .nav img{height:46px}
}
@media(max-width:420px){header.site .nav img{height:42px}.nav .btn{padding:10px 14px;font-size:.85rem}}

/* ---------- 3. Section rhythm (one consistent system) ---------- */
main>section{padding-top:var(--y)!important;padding-bottom:var(--y)!important}
/* plain section directly after a plain section: no doubled gap */
main>section:not(.dark):not(.hero)+section:not(.dark):not(.hero){padding-top:0!important}
/* plain section directly after a coloured band: space above */
main>.hero+section:not(.dark){padding-top:var(--y-after-hero)!important}
main>.hero+section.dark{padding-top:var(--y)!important}
.sec-head{max-width:720px;margin-bottom:clamp(28px,3.6vw,44px)}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head h2{margin-top:10px}
.sec-head p{margin:14px auto 0;max-width:62ch}
.sec-head:not(.center) p{margin-left:0}
.card,.cbox{padding:var(--card-pad)}
.wy,.ind{padding:var(--card-pad)}
.why,.inds,.cards,.wkg{align-items:stretch}
.cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.final{padding:clamp(36px,5vw,64px) clamp(20px,4vw,48px)}
.midcta{margin-top:clamp(22px,3vw,34px)}
.tldr{max-width:820px;margin:0 auto clamp(28px,3.6vw,44px)}
.faq{gap:12px}
@media(max-width:699px){footer{padding-bottom:calc(28px + 76px)}}

/* ---------- 4. Hero system ---------- */
.hero{padding:clamp(24px,3.4vw,44px) 0 0}
.hero .crumbs{margin:0 0 6px;font-size:.84rem}
.hero .badge{margin-bottom:14px}
.hero h1{font-size:clamp(2rem,4.2vw,3.25rem);line-height:1.12;margin:0}
.hero p.lead{margin:14px 0 0;max-width:60ch;font-size:clamp(1rem,1.3vw,1.12rem)}
.hero .cta{margin-top:22px}
/* inner-page hero (no showcase): compact, balanced, separated from content */
main>.hero.light:not(:has(.hero-grid)){padding-bottom:clamp(28px,3.6vw,48px)!important;border-bottom:1px solid var(--line)}
main>.hero.light:not(:has(.hero-grid))>.wrap>div[style]:not(.hgrid){max-width:780px!important}
/* hero with showcase (home) */
.hero-grid{gap:clamp(24px,4vw,56px);padding-bottom:clamp(36px,4.4vw,64px)}
main>.hero:has(.hero-grid){padding-bottom:0!important}
.hero .partners{margin-top:24px}
.trust ul{padding:16px 0}
main>.hero+.trust{margin:0}

/* ---------- 5. Case studies / project grid ---------- */
.cfs{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:0 auto clamp(24px,3vw,36px);max-width:860px}
.cf{transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease)}
.cf:hover{transform:translateY(-1px)}
.pgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2vw,28px);align-items:stretch}
@media(max-width:1023px){.pgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:639px){.pgrid{grid-template-columns:minmax(0,1fr)}}
.pcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;color:var(--ink);text-decoration:none;box-shadow:0 6px 20px rgba(17,24,39,.06);transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .25s var(--ease),opacity .25s var(--ease)}
.pcard:hover,.pcard:focus-visible{transform:translateY(-6px);box-shadow:var(--lift);border-color:var(--amber)}
.pcard:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.pc-media{display:block;aspect-ratio:16/10;overflow:hidden;background:#ece7da}
.pc-media img{width:100%;height:100%;object-fit:cover;object-position:top center;transition:transform .7s var(--ease)}
.pcard:hover .pc-media img,.pcard:focus-visible .pc-media img{transform:scale(1.05)}
.pc-body{display:flex;flex-direction:column;gap:6px;padding:20px 22px 22px;flex:1}
.pc-body .tg{font-size:.76rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--amber-t)}
.pc-title{font-family:"Playfair Display",Georgia,serif;font-size:1.3rem;line-height:1.2;color:var(--navy)}
.pc-body .d{color:var(--muted);font-size:.95rem;line-height:1.55}
.pc-res{font-size:.9rem;font-weight:600;color:var(--navy)}
.pc-go{margin-top:auto;padding-top:12px;font-weight:700;font-size:.9rem;color:var(--navy);display:inline-flex;align-items:center;gap:6px}
.pc-go i{font-style:normal;transition:transform .25s var(--ease)}
.pcard:hover .pc-go i{transform:translate(3px,-3px)}
.pcard:hover .pc-go{color:var(--amber-t)}
.pcard[hidden]{display:none!important}
.pcard.pin{animation:pin .4s var(--ease) both}
@keyframes pin{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.pempty{text-align:center;color:var(--muted);margin:28px 0 0}
.cf-reset{background:none;border:0;padding:0 4px;min-height:44px;font:inherit;font-weight:700;color:var(--navy);text-decoration:underline;cursor:pointer}
#caselist[aria-busy=true]{pointer-events:none}

/* home hero showcase: 10 preview tabs */
.tabs{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-start}

/* ---------- 6. Buttons, links, focus ---------- */
.btn{transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-amber:hover{box-shadow:0 12px 26px rgba(245,166,35,.45)}
.btn-dark:hover{background:#273244;box-shadow:0 12px 24px rgba(17,24,39,.25)}
.btn-outline:hover{background:var(--navy);color:#fff}
:where(a,button,input,select,textarea,summary,[tabindex]):focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:8px}
.btn-amber:focus-visible,.final .btn:focus-visible{outline-color:var(--navy)}
.card,.wy,.ind,.wk,.tile,.row{transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .25s var(--ease)}
.card:hover,.wy:hover,.ind:hover,.wk:hover{transform:translateY(-4px);box-shadow:var(--lift);border-color:#e3c98d}
.faq details{transition:box-shadow .25s var(--ease),border-color .25s var(--ease)}
.faq details:hover{border-color:#e3c98d}
.nav ul a{transition:color .2s var(--ease)}
.float a{transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.float a:hover{transform:translateY(-3px) scale(1.05)}

/* ---------- 7. Scroll reveal (progressive: content is visible without JS) ---------- */
.js-anim .rv{opacity:0;transform:translateY(22px);transition:opacity .6s var(--ease),transform .6s var(--ease);transition-delay:var(--d,0ms)}
.js-anim .rv.in{opacity:1;transform:none}
.hero .badge,.hero p.lead,.hero .cta,.hero .crumbs{animation:rise .7s var(--ease) both}
.hero .badge{animation-delay:.05s}.hero p.lead{animation-delay:.14s}.hero .cta{animation-delay:.22s}
.hero h1{animation:riseT .7s var(--ease) both}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes riseT{from{transform:translateY(12px)}to{transform:none}}

/* ---------- 8. Contact forms ---------- */
.cform .hp{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.cform .req{color:#b42318}
.cform [aria-invalid=true]{border-color:#b42318;background:#fff8f7}
.ferr{display:block;color:#b42318;font-size:.85rem;margin-top:6px;font-weight:500}
.fstatus{border-radius:14px;padding:14px 16px;font-size:.95rem;line-height:1.5;display:none}
.fstatus.show{display:block}
.fstatus.ok{background:#ecfdf3;border:1px solid #abefc6;color:#05603a}
.fstatus.bad{background:#fef3f2;border:1px solid #fecdca;color:#912018}
.cform button[type=submit]{position:relative}
.cform button[type=submit][aria-busy=true]{pointer-events:none;opacity:.85}
.cform button[type=submit][aria-busy=true]::after{content:"";width:16px;height:16px;border-radius:50%;border:2px solid rgba(17,24,39,.3);border-top-color:var(--navy);animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.cform .alt{font-size:.9rem;color:var(--muted)}
.cform .alt a{font-weight:600;color:var(--navy)}

/* ---------- 9. Consent banner ---------- */
.cc{position:fixed;left:16px;right:16px;bottom:16px;z-index:80;max-width:720px;margin-inline:auto;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:18px;box-shadow:0 24px 60px rgba(17,24,39,.28);padding:18px 20px;display:grid;gap:12px}
.cc[hidden]{display:none}
.cc p{margin:0;font-size:.92rem;line-height:1.5;color:#374151}
.cc a{font-weight:600;color:var(--navy)}
.cc .row2{display:flex;flex-wrap:wrap;gap:10px}
.cc .btn{padding:10px 20px;min-height:44px;font-size:.92rem}
.cc-link{background:none;border:0;padding:0;font:inherit;color:inherit;text-decoration:underline;cursor:pointer;min-height:44px}
@media(min-width:900px){.cc{left:24px;right:auto;bottom:24px;margin:0;max-width:460px}}
@media(max-width:899px){body.cc-open .float a{bottom:calc(20px + var(--cc-h,0px) + 12px)}}
@media(min-width:900px){body.cc-open .float .ph{bottom:calc(24px + var(--cc-h,0px) + 14px)}}

/* ---------- 10. Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;transition-delay:0ms!important}
  .js-anim .rv{opacity:1!important;transform:none!important}
  .pcard:hover,.pcard:focus-visible,.card:hover,.wy:hover,.ind:hover,.wk:hover,.btn:hover{transform:none}
  .pcard:hover .pc-media img{transform:none}
}

/* dropdown closes on Escape (keyboard) */
@media(min-width:861px){body.sub-closed .nav .has-sub:focus-within>ul.sub,body.sub-closed .nav .has-sub:hover>ul.sub{display:none!important}}


/* ---------- 10. Top contact bar (scrolls away; the main nav stays sticky) ---------- */
header.site{top:calc(-1*var(--tb))}
.topbar{background:#0b1220;color:#d6dce6;font-size:.84rem;height:var(--tb);border-bottom:1px solid rgba(255,255,255,.08)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:100%;gap:16px}
.topbar svg{width:15px;height:15px;fill:none;stroke:var(--amber);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.topbar a,.tb-loc{display:inline-flex;align-items:center;gap:7px;color:#d6dce6;text-decoration:none;line-height:1}
.tb-links{display:flex;align-items:center;gap:clamp(14px,2.4vw,28px)}
.topbar a{min-height:var(--tb);transition:color .2s var(--ease)}
.topbar a:hover{color:var(--amber)}
.topbar a:focus-visible{outline:2px solid var(--amber);outline-offset:-2px;border-radius:4px}
@media(max-width:699px){.topbar{font-size:.8rem}.tb-loc{display:none}.topbar .wrap{justify-content:center}.tb-links{gap:22px}}
@media(max-width:399px){.tb-em span{display:none}.tb-em{min-width:44px;justify-content:center}.topbar .wrap{justify-content:space-between}}

/* ---------- 11. Floating buttons: Call bottom-left, WhatsApp bottom-right ---------- */
.float{position:static;display:block}
.float a{position:fixed;bottom:max(20px,env(safe-area-inset-bottom));width:56px;height:56px;border-radius:50%;display:grid;place-items:center;z-index:60;
  box-shadow:0 10px 26px rgba(0,0,0,.30);transition:transform .22s var(--ease),box-shadow .22s var(--ease),bottom .25s var(--ease)}
.float .ph{left:max(20px,env(safe-area-inset-left));right:auto}
.float .wa{right:max(20px,env(safe-area-inset-right));left:auto}
.float a:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 16px 32px rgba(0,0,0,.34)}
.float a:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.float svg{width:28px;height:28px}
@media(max-width:600px){.float a{width:52px;height:52px}.float .ph{left:max(14px,env(safe-area-inset-left))}.float .wa{right:max(14px,env(safe-area-inset-right))}.float svg{width:26px;height:26px}}
@media(prefers-reduced-motion:reduce){.float a:hover{transform:none}}
footer{padding-bottom:calc(28px + 72px)}

/* ---------- 12. Split hero (location, service and industry pages with a side card stack) ---------- */
.hero .hgrid{display:grid!important;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr)!important;gap:clamp(28px,5vw,72px)!important;align-items:center!important;max-width:none!important}
.hero .hgrid h1{max-width:26ch}
.hero .hgrid .lead{max-width:56ch}
.glance{display:grid;grid-auto-rows:1fr;gap:14px;width:100%;max-width:520px;margin-left:auto}
.glance div{display:flex;flex-direction:column;justify-content:center;gap:4px;min-height:92px;padding:18px 22px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease)}
.glance div:hover{transform:translateY(-3px);box-shadow:var(--lift);border-color:#f0d49a}
.glance b{font-size:1.05rem}
@media(max-width:960px){.hero .hgrid{grid-template-columns:1fr!important;gap:28px!important}.hero .hgrid h1{max-width:none}.glance{max-width:none;margin:0;grid-auto-rows:auto}}
@media(prefers-reduced-motion:reduce){.glance div:hover{transform:none}}

/* ---------- 13. Case-study bento (original layout, now with 10 tiles) ---------- */
.bento .bt:nth-child(10){grid-column:span 2}
.bt{transition:opacity .3s,filter .3s,box-shadow .3s,transform .3s var(--ease)}
.bt:hover{transform:translateY(-4px);box-shadow:var(--lift)}
.bt.dim{pointer-events:auto}
@media(max-width:560px){.bento .bt:nth-child(n){grid-column:auto}}
@media(prefers-reduced-motion:reduce){.bt:hover{transform:none}}

/* ---------- 14. On-page SEO additions ---------- */
.hero .lead a{color:var(--amber);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.hero.light .lead a{color:var(--amber-t,#8a5a00)}
.feat a,.rows p a,.fit p a,.note a,.faq p a,.split .card p a,.svc.two p a{color:var(--amber-t,#b9770e);font-weight:600;text-decoration:underline;text-underline-offset:2px}
.fit.two{grid-template-columns:repeat(2,1fr)}
@media(max-width:860px){.fit.two{grid-template-columns:1fr}}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.mini-wrap{overflow-x:auto;margin:22px auto 0;max-width:900px;border:1px solid var(--line);border-radius:16px;background:#fff}
.mini{width:100%;border-collapse:collapse;min-width:560px;font-size:.96rem}
.mini th,.mini td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
.mini thead th{position:static!important;top:auto!important;background:#111827;color:#fff;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase}
.mini tbody tr:last-child th,.mini tbody tr:last-child td{border-bottom:0}
.mini tbody th{font-weight:700;color:#111827}
.svc.two{grid-template-columns:repeat(2,1fr)}
@media(max-width:860px){.svc.two{grid-template-columns:1fr}}