/* ===== Alden — home page (index.html) ===== */
:root{--muted:#5B6B74;--line-light:rgba(4,32,47,.14)}

/* header: transparent over the hero, solid once scrolled */
header{background:transparent;border-bottom:1px solid transparent;transition:background .4s ease,border-color .4s ease}
header.scrolled{background:rgba(4,32,47,.97);border-bottom-color:var(--line-dark)}
.navbar{height:76px}
.brand .name{font-size:25px;letter-spacing:.01em}
.brand .ar{font-size:19px}

/* hero (full-screen rotating video) */
.hero{
  position:relative;
  height:100vh;height:100svh;
  min-height:600px;width:100%;
  background:var(--ink);color:#fff;overflow:hidden;
  display:flex;align-items:center;justify-content:center;text-align:center;
}
.hero-video{position:absolute;inset:0;z-index:0}
.hero-video video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.6s ease}
.hero-video video.active{opacity:1}
.hero-scrim{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(4,32,47,.26) 0%,rgba(4,32,47,.10) 42%,rgba(4,32,47,.52) 100%);
  transition:background .9s ease;
}
/* stronger veil when the current clip is bright */
.hero-scrim.strong{background:linear-gradient(180deg,rgba(4,32,47,.46) 0%,rgba(4,32,47,.32) 42%,rgba(4,32,47,.64) 100%)}
.hero-inner{position:relative;z-index:2;max-width:1000px;padding:0 24px}
.hero .eyebrow{color:var(--gold);margin-bottom:26px;display:inline-flex;align-items:center;gap:14px;justify-content:center}
.hero .eyebrow span{width:30px;height:1px;background:var(--gold);display:inline-block}
h1.hero-title{font-family:var(--serif);font-weight:300;font-size:clamp(42px,7vw,94px);line-height:1.02;letter-spacing:-.02em;margin-bottom:26px}
h1.hero-title em{font-style:italic;color:var(--gold)}
.hero-sub{font-size:clamp(16px,1.8vw,20px);line-height:1.6;color:rgba(255,255,255,.84);max-width:58ch;margin:0 auto 42px}
.hero-cta{display:flex;align-items:center;gap:24px;flex-wrap:wrap;justify-content:center}
.text-link{color:#fff;font-size:15px;font-weight:500;display:inline-flex;align-items:center;gap:8px;border-bottom:1px solid var(--line-dark);padding-bottom:3px;transition:border-color .25s}
.text-link:hover{border-color:var(--gold)}
/* clickable progress bars for the videos */
.hero-dots{position:absolute;left:0;right:0;bottom:32px;z-index:2;display:flex;gap:10px;justify-content:center}
.hero-dots button{width:30px;height:3px;border:0;padding:0;cursor:pointer;background:rgba(255,255,255,.32);transition:background .3s}
.hero-dots button:hover{background:rgba(255,255,255,.6)}
.hero-dots button.on{background:var(--gold)}
.scroll-cue{position:absolute;bottom:30px;right:40px;z-index:2;color:rgba(255,255,255,.6);font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;display:flex;align-items:center;gap:10px}
.scroll-cue span{width:1px;height:34px;background:linear-gradient(rgba(255,255,255,.6),transparent);display:block}

/* proof strip */
.proof{background:var(--ink-2);color:#fff;border-top:1px solid var(--line-dark)}
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.proof-cell{padding:44px 34px;border-right:1px solid var(--line-dark)}
.proof-cell:last-child{border-right:0}
.proof-cell .num{font-family:var(--serif);font-size:44px;font-weight:400;letter-spacing:-.02em;line-height:1;margin-bottom:12px}
.proof-cell .num i{font-style:normal;color:var(--gold)}
.proof-cell .lbl{color:var(--muted-dark);font-size:13.5px;line-height:1.45}

/* partners band (under the hero) */
.partners{background:var(--paper);border-bottom:1px solid var(--line-light);padding:34px 0 38px}
.partners-head{display:flex;align-items:center;justify-content:center;gap:16px;font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:26px}
.partners-head span{flex:0 0 40px;height:1px;background:var(--gold)}
.partners-row{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.partner{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:6px 10px;color:var(--ink);opacity:.72;transition:opacity .3s,transform .3s}
.partner:hover{opacity:1;transform:translateY(-2px)}
.partner .wm{font-family:var(--serif);font-size:clamp(22px,2.2vw,28px);letter-spacing:.02em;white-space:nowrap}
.partner .wm em{font-style:normal;color:var(--gold-deep);margin:0 2px}
.partner img{height:40px;width:auto;max-width:190px;display:block}
.partner img[alt="RFI"]{height:44px}
.partner img[alt="Tap & Go"]{height:36px}
@media(max-width:860px){.partners{padding:26px 0 28px}.partners-row{justify-content:center;gap:18px 28px}.partner img{height:30px;max-width:140px}.partner img[alt="RFI"]{height:34px}.partner img[alt="Tap & Go"]{height:28px}}

/* section shell (home variant: title + lede side by side) */
section.block{padding:110px 0}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:56px;max-width:none}
.sec-head .eyebrow{margin-bottom:16px}
.sec-head .eyebrow span{width:26px}
h2.sec-title{font-size:clamp(30px,3.7vw,46px);line-height:1.08;max-width:18ch}
.sec-head p.lede{font-size:16px;max-width:38ch;margin-top:0}

/* expertise */
.expertise-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line-light)}
.exp{padding:44px 0;border-bottom:1px solid var(--line-light);padding-right:44px;transition:padding-left .3s ease}
.exp:nth-child(odd){border-right:1px solid var(--line-light);padding-right:56px}
.exp:nth-child(even){padding-left:56px}
.exp:hover{padding-left:14px}
.exp:nth-child(even):hover{padding-left:70px}
.exp .tag{color:var(--gold-deep);margin-bottom:18px}
.exp h3{font-family:var(--serif);font-size:26px;font-weight:500;margin-bottom:14px;display:flex;align-items:center;gap:12px}
.exp h3 .dot{width:7px;height:7px;background:var(--gold);border-radius:50%;flex:none;opacity:0;transform:scale(.4);transition:opacity .3s,transform .3s}
.exp:hover h3 .dot{opacity:1;transform:scale(1)}
.exp p{color:var(--muted);font-size:15.5px;line-height:1.62;max-width:44ch}
.exp .more{display:inline-flex;gap:7px;align-items:center;margin-top:20px;font-size:13.5px;font-weight:500;color:var(--ink);opacity:.55;transition:opacity .3s,gap .3s}
.exp:hover .more{opacity:1;gap:12px}

/* case studies */
.cases{background:var(--paper)}
.case-feature{display:grid;grid-template-columns:1.02fr 1fr;border:1px solid var(--line-light);background:#fff}
.case-visual{position:relative;min-height:540px;background:var(--ink);overflow:hidden;display:flex;flex-direction:column;justify-content:space-between}
.case-visual .mash-fill{position:absolute;inset:0;width:100%;height:100%;opacity:.45;z-index:0}
.case-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
.case-chip{position:relative;z-index:2;margin:26px;align-self:flex-start;background:rgba(255,255,255,.08);border:1px solid var(--line-dark);color:#fff;padding:8px 14px;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;backdrop-filter:blur(4px)}
.case-metrics{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-dark)}
.case-metrics .m{padding:26px 22px;border-right:1px solid var(--line-dark)}
.case-metrics .m:last-child{border-right:0}
.case-metrics .m .v{font-family:var(--serif);font-size:35px;line-height:1;letter-spacing:-.02em;color:var(--gold)}
.case-metrics .m .k{color:var(--muted-dark);font-size:12px;margin-top:9px;line-height:1.45}
.case-body{padding:50px 48px;display:flex;flex-direction:column}
.case-body .eyebrow{color:var(--gold-deep);margin-bottom:20px;display:flex;align-items:center;gap:12px}
.case-body .eyebrow span{width:24px;height:1px;background:var(--gold);display:inline-block}
.case-body h3{font-family:var(--serif);font-weight:400;font-size:clamp(24px,2.7vw,34px);line-height:1.14;letter-spacing:-.01em;margin-bottom:28px}
.case-step{margin-bottom:20px}
.case-step .lbl{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);opacity:.45;margin-bottom:6px}
.case-step p{color:var(--muted);font-size:15px;line-height:1.6}
.case-quote{margin:10px 0 28px;padding-left:20px;border-left:2px solid var(--gold);font-family:var(--serif);font-style:italic;font-size:18.5px;line-height:1.5;color:var(--ink)}
.case-quote cite{display:block;font-family:var(--sans);font-style:normal;font-size:13px;color:var(--muted);margin-top:12px}
.case-link{margin-top:auto;display:inline-flex;align-items:center;gap:9px;font-size:14px;font-weight:500;color:var(--ink);transition:gap .3s,color .3s}
.case-link:hover{gap:14px;color:var(--gold-deep)}

/* insights (horizontal scroll rail) */
.insights{background:var(--paper-2)}
.rail{display:flex;gap:0;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;margin:0 -40px;padding-left:40px;padding-right:40px}
.rail::-webkit-scrollbar{height:3px}
.rail::-webkit-scrollbar-thumb{background:var(--gold)}
.rail::-webkit-scrollbar-track{background:rgba(4,32,47,.08)}
.icard{flex:0 0 380px;scroll-snap-align:start;background:var(--paper);border:1px solid var(--line-light);border-left:0;padding:34px 32px 30px;display:flex;flex-direction:column;min-height:340px;transition:background .3s}
.icard:first-child{border-left:1px solid var(--line-light)}
.icard.has-thumb{padding-top:0}
.ithumb{position:relative;aspect-ratio:16/9;margin:0 -32px 22px;background:var(--ink);overflow:hidden;border-bottom:1px solid var(--line-light)}
.ithumb img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(.85);transition:transform .6s,filter .6s}
.icard:hover .ithumb img{transform:scale(1.04);filter:none}
.ithumb.none img{display:none}
.ithumb.none::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,var(--ink-2),var(--ink));opacity:.95}
.ithumb.none::after{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='104' viewBox='0 0 60 104'%3E%3Cg fill='none' stroke='%23C6A15B' stroke-width='1' opacity='.5'%3E%3Cpath d='M30 0 L60 17 L60 52 L30 69 L0 52 L0 17 Z'/%3E%3Cpath d='M30 35 L60 52 L60 87 L30 104 L0 87 L0 52 Z'/%3E%3Cpath d='M30 17 L30 52 M0 34 L30 52 L60 34'/%3E%3C/g%3E%3C/svg%3E");opacity:.4}
@media(max-width:860px){.ithumb{margin:0 -24px 18px}}
.icard:hover{background:#fff}
.icard .kind{color:var(--gold-deep);margin-bottom:auto}
.icard h4{font-family:var(--serif);font-size:24px;font-weight:400;line-height:1.22;letter-spacing:-.01em;margin:26px 0 16px}
.icard .read{display:flex;justify-content:space-between;align-items:center;padding-top:18px;border-top:1px solid var(--line-light);color:var(--muted);font-size:13px}
.icard .read .go{color:var(--ink);font-weight:500;display:inline-flex;gap:7px;transition:gap .3s}
.icard:hover .read .go{gap:12px;color:var(--gold-deep)}

/* news popup */
.news-open{overflow:hidden}
.news-modal[hidden]{display:none}
.news-modal{position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;padding:24px}
.news-backdrop{position:absolute;inset:0;background:rgba(4,32,47,.72);backdrop-filter:blur(3px)}
.news-dialog{position:relative;z-index:1;background:var(--paper);color:var(--ink);width:min(760px,100%);max-height:calc(100vh - 48px);overflow:auto;border:1px solid var(--line-light);box-shadow:0 40px 80px -30px rgba(0,0,0,.6);animation:newsIn .35s cubic-bezier(.2,.7,.2,1)}
@keyframes newsIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.news-close{position:absolute;top:14px;right:14px;z-index:2;width:40px;height:40px;border:1px solid var(--line-dark);background:rgba(4,32,47,.85);color:#fff;font-size:16px;cursor:pointer;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .25s,color .25s}
.news-close:hover{background:var(--gold);color:var(--ink)}
.news-media{background:var(--ink);aspect-ratio:16/8;overflow:hidden}
.news-media img{width:100%;height:100%;object-fit:cover;display:block}
.news-body{padding:34px 40px 38px}
.news-meta{display:flex;gap:14px;color:var(--gold-deep);margin-bottom:16px}
.news-meta .news-date{color:var(--muted-2)}
.news-title{font-family:var(--serif);font-weight:400;font-size:clamp(24px,3vw,34px);line-height:1.15;letter-spacing:-.015em;margin-bottom:18px}
.news-excerpt{color:#20343E;font-size:16.5px;line-height:1.66;margin-bottom:26px;max-width:62ch}
.news-note{color:var(--muted-2);font-size:12.5px;margin-top:14px}
@media(max-width:860px){.news-modal{padding:0;align-items:flex-end}.news-dialog{max-height:92vh;width:100%}.news-body{padding:24px 22px 28px}.news-media{aspect-ratio:16/9}}

/* industries */
.ind-list{border-top:1px solid var(--line-light)}
.ind{display:grid;grid-template-columns:70px 1fr auto;align-items:center;gap:28px;padding:28px 8px;border-bottom:1px solid var(--line-light);transition:background .3s,padding-left .3s}
.ind:hover{background:var(--paper-2);padding-left:20px}
.ind .idx{font-family:var(--mono);font-size:12px;color:var(--gold-deep)}
.ind .iname{font-family:var(--serif);font-size:clamp(21px,2.4vw,29px);font-weight:400}
.ind .idesc{color:var(--muted);font-size:14.5px;justify-self:end;max-width:34ch;text-align:right}
.ind .arrow-c{opacity:0;transform:translateX(-8px);transition:.3s;color:var(--gold-deep)}
.ind:hover .arrow-c{opacity:1;transform:translateX(0)}

/* cta band (slightly larger on the home page) */
.cta-band{padding:96px 0}
.cta-inner h2{font-size:clamp(30px,4vw,50px)}
.cta-inner p{margin-top:18px}

/* responsive */
@media(max-width:1020px){
  .proof-grid{grid-template-columns:repeat(2,1fr)}
  .proof-cell:nth-child(2){border-right:0}
  .proof-cell:nth-child(1),.proof-cell:nth-child(2){border-bottom:1px solid var(--line-dark)}
}
@media(max-width:860px){
  .scroll-cue{display:none}
  .expertise-grid{grid-template-columns:1fr}
  .exp{padding-right:0}
  .exp:nth-child(odd){border-right:0;padding-right:0}
  .exp:nth-child(even){padding-left:0}
  .exp:nth-child(even):hover{padding-left:14px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:20px}
  .case-feature{grid-template-columns:1fr}
  .case-visual{min-height:380px}
  .case-body{padding:38px 24px}
  .ind{grid-template-columns:44px 1fr;gap:16px}
  .ind .idesc,.ind .arrow-c{display:none}
}