/* Xpert Solutions — AI concept homepage (home-ai-concept.php)
   Palette is taken from the logo: charcoal + orange, with a cool cyan
   used only for AI-related accents. */
:root{
  --bg:#0b0d12; --bg-2:#10131a; --bg-3:#151924;
  --panel:rgba(255,255,255,.035); --panel-2:rgba(255,255,255,.06);
  --line:rgba(255,255,255,.09); --line-2:rgba(255,255,255,.16);
  --text:#eceef3; --muted:#a3abba;
  --brand:#F26522; --brand-2:#ff8a4c; --ai:#3dd6ff; --ai-2:#8b9bff;
  --radius:18px; --max:1200px;
  --display:'Space Grotesk','Inter',system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth; scroll-padding-top:84px}
body{margin:0; background:var(--bg); color:var(--text); font:400 16px/1.65 'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif; -webkit-font-smoothing:antialiased; overflow-x:hidden}
img{max-width:100%; height:auto; display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--display); line-height:1.12; margin:0; letter-spacing:-.02em; text-wrap:balance}
p{margin:0}
:focus-visible{outline:2px solid var(--ai); outline-offset:3px; border-radius:6px}
.wrap{width:min(var(--max), calc(100% - 40px)); margin-inline:auto}
.wrap.narrow{width:min(860px, calc(100% - 40px))}
.skip{position:absolute; left:-999px; top:8px; background:var(--brand); color:#14110f; padding:10px 16px; border-radius:10px; z-index:100; font-weight:700}
.skip:focus{left:12px}
.ic{width:22px; height:22px; flex:none}

/* ---------- Buttons ---------- */
.btn{display:inline-flex; align-items:center; gap:10px; padding:14px 22px; border-radius:999px; font-weight:600; text-decoration:none; border:1px solid transparent; cursor:pointer; font-size:15px; font-family:inherit; transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, border-color .25s}
.btn .ic{width:18px; height:18px; transition:transform .25s var(--ease)}
.btn:hover .ic{transform:translateX(4px)}
.btn-brand{background:linear-gradient(135deg,var(--brand-2),var(--brand)); color:#14110f; box-shadow:0 10px 30px -10px rgba(242,101,34,.7)}
.btn-brand:hover{transform:translateY(-2px); box-shadow:0 16px 40px -10px rgba(242,101,34,.85)}
.btn-ghost{border-color:var(--line-2); color:var(--text); background:var(--panel)}
.btn-ghost:hover{border-color:var(--ai); background:rgba(61,214,255,.08)}

/* ---------- Header ---------- */
.hdr{position:fixed; inset:0 0 auto 0; z-index:50; transition:background .3s, border-color .3s, backdrop-filter .3s; border-bottom:1px solid transparent}
.hdr.stuck{background:rgba(11,13,18,.82); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px); border-color:var(--line)}
.hdr-in{display:flex; align-items:center; justify-content:space-between; height:74px}
.logo img{width:144px; height:auto}
.nav{display:flex; align-items:center; gap:6px}
.nav > a:not(.btn), .dd-btn{color:var(--text); text-decoration:none; font:500 15px/1 'Inter',sans-serif; padding:10px 14px; border-radius:10px; background:none; border:0; cursor:pointer; display:inline-flex; align-items:center; gap:7px; transition:background .2s, color .2s}
.nav > a:not(.btn):hover, .dd-btn:hover{background:var(--panel-2)}
.nav-cta{margin-left:10px; padding:11px 18px}
.dd{position:relative}
.dd-btn svg{transition:transform .25s}
.dd-btn[aria-expanded="true"] svg{transform:rotate(180deg)}
.dd-menu{position:absolute; top:calc(100% + 10px); left:0; width:300px; padding:8px; background:#141822; border:1px solid var(--line-2); border-radius:16px; box-shadow:0 30px 60px -20px #000; opacity:0; visibility:hidden; transform:translateY(-6px); transition:opacity .2s, transform .2s, visibility .2s}
.dd.open .dd-menu{opacity:1; visibility:visible; transform:none}
.dd-menu a{display:block; padding:12px 14px; border-radius:11px; text-decoration:none}
.dd-menu a:hover{background:var(--panel-2)}
.dd-menu strong{display:block; font-weight:600; font-size:15px}
.dd-menu span{color:var(--muted); font-size:13px}
.nav-toggle{display:none; width:44px; height:44px; border-radius:12px; border:1px solid var(--line-2); background:var(--panel); cursor:pointer; padding:0; position:relative}
.nav-toggle span{position:absolute; left:12px; right:12px; height:2px; background:var(--text); border-radius:2px; transition:transform .25s, opacity .2s}
.nav-toggle span:nth-child(1){top:15px}.nav-toggle span:nth-child(2){top:21px}.nav-toggle span:nth-child(3){top:27px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative; padding:150px 0 0; overflow:hidden; isolation:isolate;
  background:
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px) 0 0/56px 56px,
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px) 0 0/56px 56px,
    radial-gradient(1200px 600px at 70% -10%, #1a2030 0%, transparent 60%), var(--bg)}
.hero::after{content:""; position:absolute; inset:auto 0 0 0; height:180px; background:linear-gradient(transparent, var(--bg)); z-index:-1; pointer-events:none}
.hero-net{position:absolute; inset:0; width:100%; height:100%; z-index:-2; opacity:.75}
.glow{position:absolute; border-radius:50%; filter:blur(90px); z-index:-3; pointer-events:none}
.glow-a{width:520px; height:520px; right:-120px; top:-80px; background:rgba(242,101,34,.26); animation:drift 16s ease-in-out infinite alternate}
.glow-b{width:460px; height:460px; left:-160px; top:260px; background:rgba(61,214,255,.14); animation:drift 20s ease-in-out infinite alternate-reverse}
.glow-c{width:600px; height:600px; left:50%; top:-200px; transform:translateX(-50%); background:rgba(242,101,34,.16)}
@keyframes drift{to{transform:translate(60px,40px) scale(1.12)}}
.hero-grid{display:grid; grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr); gap:56px; align-items:center}
.eyebrow{display:inline-flex; align-items:center; gap:9px; font-size:13.5px; font-weight:500; color:var(--muted); border:1px solid var(--line-2); background:var(--panel); padding:8px 14px; border-radius:999px; margin-bottom:24px}
.eyebrow .ic{width:16px; height:16px; color:var(--brand-2)}
h1{font-size:clamp(38px, 5.3vw, 66px); font-weight:700}
.grad{background:linear-gradient(100deg, var(--brand-2), var(--brand) 45%, var(--ai)); -webkit-background-clip:text; background-clip:text; color:transparent; background-size:200% 100%; animation:sheen 7s ease-in-out infinite alternate}
@keyframes sheen{to{background-position:100% 0}}
.lede{margin-top:22px; font-size:clamp(16px,1.35vw,18.5px); color:var(--muted); max-width:58ch}
.cta-row{display:flex; flex-wrap:wrap; gap:12px; margin-top:32px}
.chips{list-style:none; padding:0; margin:38px 0 0; display:flex; flex-wrap:wrap; gap:10px 26px; color:var(--muted); font-size:14px}
.chips strong{color:var(--text); font:700 20px var(--display); margin-right:6px}

/* Hero stage */
.stage{position:relative; height:520px; perspective:1400px}
.win{position:absolute; inset:20px 0 60px 30px; background:linear-gradient(180deg,#171b26,#11141c); border:1px solid var(--line-2); border-radius:18px; box-shadow:0 50px 90px -30px #000, 0 0 0 1px rgba(255,255,255,.02) inset; overflow:hidden; transform:rotateY(-9deg) rotateX(4deg); transform-origin:left center; animation:float 9s ease-in-out infinite}
@keyframes float{50%{transform:rotateY(-7deg) rotateX(3deg) translateY(-10px)}}
.win-bar{display:flex; align-items:center; gap:7px; padding:12px 14px; border-bottom:1px solid var(--line); font-size:12px; color:var(--muted)}
.win-bar i{width:10px; height:10px; border-radius:50%; background:#2b3140}
.win-bar i:first-child{background:var(--brand)}
.win-bar span{margin-left:10px; background:rgba(255,255,255,.05); padding:4px 12px; border-radius:999px}
.win-body{padding:18px}
.mock-nav{display:flex; align-items:center; gap:12px; margin-bottom:22px}
.mock-nav b{width:54px; height:12px; border-radius:4px; background:var(--brand)}
.mock-nav span{width:36px; height:7px; border-radius:4px; background:#2a3040}
.mock-nav em{margin-left:auto; width:66px; height:22px; border-radius:999px; border:1px solid var(--line-2)}
.mock-hero{display:grid; grid-template-columns:1fr 1.15fr; gap:18px; align-items:center}
.mock-hero u{display:block; height:13px; border-radius:6px; background:#2c3243; margin-bottom:10px}
.mock-hero .l1{width:92%; height:17px; background:#3a4258}.mock-hero .l2{width:70%; height:17px; background:#3a4258}.mock-hero .l3{width:84%}
.mock-hero s{display:block; width:96px; height:28px; border-radius:999px; background:linear-gradient(135deg,var(--brand-2),var(--brand)); margin-top:16px}
.mock-img{border-radius:12px; overflow:hidden; border:1px solid var(--line)}
.mock-cards{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:18px}
.mock-cards span{height:58px; border-radius:10px; background:rgba(255,255,255,.04); border:1px solid var(--line)}

.chat{position:absolute; right:-6px; bottom:0; width:292px; background:rgba(18,22,31,.92); backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px); border:1px solid rgba(61,214,255,.35); border-radius:18px; box-shadow:0 30px 70px -20px #000, 0 0 60px -20px rgba(61,214,255,.5); overflow:hidden}
.chat-top{display:flex; align-items:center; gap:9px; padding:12px 14px; border-bottom:1px solid var(--line); font-weight:600; font-size:14px}
.chat-top small{margin-left:auto; font-weight:500; font-size:11px; color:var(--ai); border:1px solid rgba(61,214,255,.4); padding:2px 8px; border-radius:999px}
.dot{width:9px; height:9px; border-radius:50%; background:#35d07f; box-shadow:0 0 0 0 rgba(53,208,127,.6); animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(53,208,127,0)}100%{box-shadow:0 0 0 0 rgba(53,208,127,0)}}
.chat-log{height:214px; padding:14px; display:flex; flex-direction:column; justify-content:flex-end; gap:9px; overflow:hidden}
.msg{max-width:86%; padding:9px 12px; border-radius:14px; font-size:13px; line-height:1.45; animation:pop .35s var(--ease) both}
.msg.u{align-self:flex-end; background:var(--brand); color:#14110f; border-bottom-right-radius:4px; font-weight:500}
.msg.b{align-self:flex-start; background:#222838; border:1px solid var(--line); border-bottom-left-radius:4px}
.msg.typing{display:flex; gap:4px; padding:13px 14px}
.msg.typing i{width:6px; height:6px; border-radius:50%; background:var(--muted); animation:blink 1.1s infinite}
.msg.typing i:nth-child(2){animation-delay:.18s}.msg.typing i:nth-child(3){animation-delay:.36s}
@keyframes blink{0%,60%,100%{opacity:.25; transform:none}30%{opacity:1; transform:translateY(-3px)}}
@keyframes pop{from{opacity:0; transform:translateY(8px) scale(.97)}}
.chat-in{display:flex; align-items:center; gap:8px; margin:0 12px 12px; padding:9px 9px 9px 14px; border-radius:999px; border:1px solid var(--line-2); color:var(--muted); font-size:13px}
.chat-in b{margin-left:auto; width:28px; height:28px; border-radius:50%; background:var(--ai); color:#06222b; display:grid; place-items:center}
.chat-in .ic{width:14px; height:14px}

.card-float{position:absolute; background:rgba(20,24,34,.9); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px); border:1px solid var(--line-2); border-radius:14px; box-shadow:0 24px 50px -20px #000; font-size:12.5px}
.vis{left:-8px; bottom:36px; width:190px; padding:13px 14px; animation:bob 7s ease-in-out infinite}
.vis p{color:var(--muted); margin-bottom:6px}
.vis svg{width:100%; height:52px; display:block}
.spark-line{fill:none; stroke:var(--brand-2); stroke-width:2.2; stroke-linecap:round; stroke-linejoin:round; stroke-dasharray:260; stroke-dashoffset:260; animation:draw 3.2s var(--ease) .6s forwards}
.spark-fill{fill:rgba(242,101,34,.14); opacity:0; animation:fade 1.2s 2.4s forwards}
@keyframes draw{to{stroke-dashoffset:0}} @keyframes fade{to{opacity:1}}
.tags{display:flex; gap:6px; margin-top:8px}
.tags span{padding:2px 8px; border-radius:999px; border:1px solid var(--line-2); font-weight:600; font-size:11px}
.auto{right:18px; top:0; padding:10px 14px; display:flex; align-items:center; gap:8px; animation:bob 8s ease-in-out -3s infinite}
.auto span{white-space:nowrap}
.auto i{width:22px; height:2px; background:linear-gradient(90deg,var(--brand),var(--ai)); position:relative; border-radius:2px; overflow:hidden}
.auto i::after{content:""; position:absolute; inset:0; background:#fff; transform:translateX(-100%); animation:run 1.8s linear infinite}
@keyframes run{to{transform:translateX(100%)}}
@keyframes bob{50%{transform:translateY(-10px)}}

.ticker{margin-top:70px; border-block:1px solid var(--line); padding:16px 0; overflow:hidden; -webkit-mask:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent); mask:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.ticker-track{display:flex; gap:44px; width:max-content; animation:slide 38s linear infinite; color:var(--muted); font:500 14px var(--display); text-transform:uppercase; letter-spacing:.12em}
.ticker-track span{display:inline-flex; align-items:center; gap:44px; white-space:nowrap}
.ticker-track span::after{content:""; width:6px; height:6px; background:var(--brand); transform:rotate(45deg)}
@keyframes slide{to{transform:translateX(-50%)}}

/* ---------- Sections ---------- */
.sec{padding:110px 0; position:relative}
.sec-alt{background:var(--bg-2); border-block:1px solid var(--line)}
.sec-head{max-width:720px; margin:0 auto 54px; text-align:center}
.sec-head.left{margin-inline:0; text-align:left}
.kicker{display:inline-block; font:600 13px var(--display); letter-spacing:.14em; text-transform:uppercase; color:var(--brand-2); margin-bottom:14px}
.ai-k{color:var(--ai)}
h2{font-size:clamp(28px,3.4vw,44px); font-weight:700}
.sec-head h2 + p{margin-top:16px; color:var(--muted); font-size:17px}
.note{margin-top:18px; padding:14px 16px; border-left:2px solid var(--ai); background:rgba(61,214,255,.05); border-radius:0 12px 12px 0; color:var(--muted); font-size:14.5px}
.grid{display:grid; gap:18px}
.cards-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}

.facts{padding:56px 0 20px}
.facts-grid{display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:18px}
.fact{padding:26px; border:1px solid var(--line); border-radius:var(--radius); background:var(--panel)}
.fact b{display:block; font:700 38px/1 var(--display); background:linear-gradient(120deg,#fff,var(--brand-2)); -webkit-background-clip:text; background-clip:text; color:transparent; margin-bottom:12px}
.fact p{color:var(--muted); font-size:14.5px}
.fact a{color:var(--text); text-decoration-color:var(--brand)}

.card{position:relative; padding:26px; border-radius:var(--radius); border:1px solid var(--line); background:var(--panel); overflow:hidden; transition:transform .35s var(--ease), border-color .35s, background .35s}
.card::before{content:""; position:absolute; inset:0; background:radial-gradient(320px circle at var(--mx,50%) var(--my,0%), rgba(242,101,34,.16), transparent 60%); opacity:0; transition:opacity .35s; pointer-events:none}
.card:hover{transform:translateY(-6px); border-color:rgba(242,101,34,.45); background:var(--panel-2)}
.card:hover::before{opacity:1}
.card-ic{width:48px; height:48px; border-radius:13px; display:grid; place-items:center; color:var(--brand-2); background:rgba(242,101,34,.12); border:1px solid rgba(242,101,34,.28); margin-bottom:18px; transition:transform .35s var(--ease)}
.card:hover .card-ic{transform:scale(1.08) rotate(-4deg)}
.card h3{font-size:18px; font-weight:600; margin-bottom:10px; letter-spacing:-.01em}
.card p{color:var(--muted); font-size:14.5px}
.card-ai::before{background:radial-gradient(320px circle at var(--mx,50%) var(--my,0%), rgba(61,214,255,.16), transparent 60%)}
.card-ai:hover{border-color:rgba(61,214,255,.45)}
.card-ai .card-ic{color:var(--ai); background:rgba(61,214,255,.1); border-color:rgba(61,214,255,.3)}

.sec-ai{background:radial-gradient(900px 500px at 85% 10%, rgba(61,214,255,.08), transparent 60%), radial-gradient(700px 500px at 0% 90%, rgba(139,155,255,.07), transparent 60%), var(--bg-2); border-block:1px solid var(--line)}
.ai-top{display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:56px; align-items:center; margin-bottom:54px}
.ai-top .sec-head{margin-bottom:0}
.flowviz{border:1px solid var(--line); border-radius:22px; background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.01)); padding:18px}
.flowviz svg{width:100%; height:auto; display:block}
.wire{fill:none; stroke:url(#fg); stroke-width:2; stroke-dasharray:6 8; animation:dash 1.6s linear infinite}
@keyframes dash{to{stroke-dashoffset:-28}}
.node rect{fill:#171c28; stroke:rgba(255,255,255,.18)}
.node text{fill:var(--text); font:600 14px 'Inter',sans-serif; text-anchor:middle}
.node.core circle{fill:#0f1a24; stroke:var(--ai); stroke-width:2; filter:drop-shadow(0 0 14px rgba(61,214,255,.55)); animation:breathe 3.4s ease-in-out infinite}
.node.core text{font:700 22px var(--display); fill:var(--ai)}
.node.core .sm{font:500 11px 'Inter',sans-serif; fill:var(--muted)}
@keyframes breathe{50%{filter:drop-shadow(0 0 26px rgba(61,214,255,.85))}}

.vis-grid{display:grid; grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr); gap:56px; align-items:center}
.vis-grid .sec-head{margin-bottom:30px}
.tablist{display:inline-flex; gap:6px; padding:6px; border:1px solid var(--line); border-radius:999px; background:var(--panel); margin-bottom:22px}
.tablist button{font:600 14px var(--display); letter-spacing:.06em; padding:10px 22px; border-radius:999px; border:0; background:none; color:var(--muted); cursor:pointer; transition:background .25s, color .25s}
.tablist button[aria-selected="true"]{background:linear-gradient(135deg,var(--brand-2),var(--brand)); color:#14110f}
.tabpanel{animation:pop .4s var(--ease)}
.tabpanel h3{font-size:24px; margin-bottom:6px}
.tab-lead{color:var(--brand-2); font-weight:600; margin-bottom:12px}
.tabpanel p{color:var(--muted)}
.ticks{list-style:none; padding:0; margin:18px 0 0; display:grid; grid-template-columns:1fr 1fr; gap:10px 18px}
.ticks li{display:flex; gap:10px; align-items:flex-start; font-size:14.5px}
.ticks .ic{width:18px; height:18px; color:var(--ai); margin-top:3px}
.answer{border:1px solid var(--line-2); border-radius:22px; background:linear-gradient(180deg,#151a25,#10131a); padding:22px; box-shadow:0 40px 80px -40px #000}
.answer .q{display:flex; gap:10px; align-items:center; padding:12px 16px; border-radius:999px; border:1px solid var(--line-2); color:var(--muted); font-size:14px; margin-bottom:16px}
.answer .q .ic{width:18px; height:18px}
.answer .a{padding:18px; border-radius:16px; border:1px solid rgba(61,214,255,.3); background:rgba(61,214,255,.05)}
.a-h{display:flex; align-items:center; gap:8px; font-weight:600; font-size:14px; margin-bottom:14px}
.a-h .ic{width:18px; height:18px; color:var(--ai)}
.a-h small{margin-left:auto; color:var(--muted); font-weight:500; font-size:11px}
.answer u{display:block; height:10px; border-radius:5px; background:rgba(255,255,255,.1); margin-bottom:9px}
.answer u.short{width:58%}
.cite{display:flex; gap:12px; align-items:center; margin-top:16px; padding:12px; border-radius:12px; background:rgba(242,101,34,.1); border:1px solid rgba(242,101,34,.4); font-size:14px; font-weight:600}
.cite b{width:26px; height:26px; flex:none; border-radius:50%; background:var(--brand); color:#14110f; display:grid; place-items:center; font-size:13px}
.cite small{color:var(--muted); font-weight:400; font-size:12px}
.answer .r{padding:14px 4px 4px; border-top:1px solid var(--line); margin-top:14px; opacity:.55}

.work{grid-template-columns:repeat(4,minmax(0,1fr))}
.shot{position:relative; display:block; border-radius:16px; overflow:hidden; border:1px solid var(--line); background:#0d0f15; text-decoration:none; transition:transform .4s var(--ease), border-color .3s}
.shot img{width:100%; aspect-ratio:16/10; object-fit:cover; object-position:top; transition:transform .7s var(--ease), filter .4s; filter:saturate(.9)}
.shot:hover{transform:translateY(-6px); border-color:rgba(242,101,34,.5)}
.shot:hover img{transform:scale(1.06); filter:none}
.shot-meta{display:block; padding:14px 16px 16px}
.shot-meta strong{display:block; font:600 15.5px var(--display)}
.shot-meta em{font-style:normal; color:var(--muted); font-size:13px}

.steps{list-style:none; margin:0; padding:0; display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:18px; counter-reset:s}
.steps li{position:relative; padding:26px 22px; border-radius:var(--radius); border:1px solid var(--line); background:var(--panel)}
.steps li::after{content:""; position:absolute; top:44px; right:-19px; width:19px; height:1px; background:linear-gradient(90deg,var(--brand),transparent)}
.steps li:last-child::after{display:none}
.num{display:block; font:700 14px var(--display); color:var(--brand-2); letter-spacing:.12em; margin-bottom:14px}
.steps h3{font-size:18px; margin-bottom:8px}
.steps p{color:var(--muted); font-size:14.5px}

.quote{margin:0; padding:28px; border-radius:var(--radius); border:1px solid var(--line); background:var(--bg-3); display:flex; flex-direction:column}
.stars{color:var(--brand-2); letter-spacing:3px; margin-bottom:14px}
.quote blockquote{margin:0 0 20px; font-size:15.5px; color:#d5d9e2}
.quote figcaption{margin-top:auto; padding-top:16px; border-top:1px solid var(--line)}
.quote figcaption strong{display:block}
.quote figcaption span{color:var(--muted); font-size:13.5px}

.faq details{border:1px solid var(--line); border-radius:16px; background:var(--panel); margin-bottom:12px; transition:border-color .3s, background .3s}
.faq details[open]{border-color:rgba(242,101,34,.4); background:var(--panel-2)}
.faq summary{cursor:pointer; list-style:none; padding:20px 56px 20px 22px; font:600 17px var(--display); position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:""; position:absolute; right:22px; top:50%; width:12px; height:12px; border-right:2px solid var(--brand-2); border-bottom:2px solid var(--brand-2); transform:translateY(-70%) rotate(45deg); transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details p{padding:0 22px 22px; color:var(--muted)}

.sec-cta{overflow:hidden; isolation:isolate; background:var(--bg-2); border-top:1px solid var(--line)}
.sec-cta .glow{z-index:-1}
.contact-grid{display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:56px; align-items:start}
.contact-grid h2 + p{margin-top:16px; color:var(--muted); font-size:17px}
.contact-list{list-style:none; padding:0; margin:30px 0 0; display:grid; gap:14px}
.contact-list li{display:flex; gap:14px; align-items:flex-start}
.contact-list .ic{color:var(--brand-2); margin-top:2px}
.contact-list a{text-decoration-color:var(--brand); text-underline-offset:3px}
.form-card{padding:30px; border-radius:22px; border:1px solid var(--line-2); background:rgba(17,20,28,.85); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px); box-shadow:0 40px 80px -40px #000}
form{display:grid; gap:16px}
.row2{display:grid; grid-template-columns:1fr 1fr; gap:16px}
label{display:grid; gap:7px; font-size:13.5px; font-weight:500; color:var(--muted)}
input,textarea{width:100%; font:inherit; font-size:15px; color:var(--text); background:#0c0f15; border:1px solid var(--line-2); border-radius:12px; padding:13px 14px; transition:border-color .2s, box-shadow .2s}
input:focus,textarea:focus{outline:none; border-color:var(--ai); box-shadow:0 0 0 4px rgba(61,214,255,.14)}
textarea{resize:vertical}
.cap{display:grid; grid-template-columns:150px 1fr; gap:16px; align-items:end}
.cap img{border-radius:10px; background:#fff}
form .btn{justify-content:center; width:100%}
.alert{padding:13px 16px; border-radius:12px; font-weight:600; font-size:14.5px; margin-bottom:16px}
.alert.ok{background:rgba(53,208,127,.12); border:1px solid rgba(53,208,127,.45); color:#8fe9b9}
.alert.bad{background:rgba(255,95,95,.1); border:1px solid rgba(255,95,95,.45); color:#ffb1b1}

.ftr{border-top:1px solid var(--line); padding:64px 0 0; background:#080a0e; font-size:14.5px}
.ftr-grid{display:grid; grid-template-columns:1.5fr 1fr 1.2fr 1fr; gap:40px}
.ftr p{color:var(--muted); margin-top:16px; max-width:40ch}
.ftr h2{font:600 13px var(--display); letter-spacing:.14em; text-transform:uppercase; color:var(--muted); margin-bottom:16px}
.ftr-grid > div > a, .ftr-grid > div > span{display:block; color:var(--text); text-decoration:none; padding:5px 0}
.ftr-grid > div > a:hover{color:var(--brand-2)}
.social{display:flex; flex-wrap:wrap; gap:8px 16px}
.social a{color:var(--text); text-decoration-color:var(--brand); text-underline-offset:3px}
.ftr-base{margin-top:48px; padding:22px 0; border-top:1px solid var(--line); color:var(--muted); font-size:13.5px}

/* Scroll reveal (only when JS is running) */
.js .reveal{opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); transition-delay:var(--d,0ms)}
.js .reveal.in{opacity:1; transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .cards-4,.work,.facts-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .steps li::after{display:none}
  .hero-grid{grid-template-columns:1fr; gap:40px}
  .stage{max-width:620px; width:100%; margin-inline:auto}
  .ai-top,.vis-grid,.contact-grid{grid-template-columns:1fr; gap:36px}
  .ftr-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav-toggle{display:block}
  .nav{position:fixed; inset:74px 0 auto 0; flex-direction:column; align-items:stretch; gap:2px; padding:14px 20px 22px; background:rgba(11,13,18,.97); border-bottom:1px solid var(--line); max-height:calc(100vh - 74px); overflow:auto; opacity:0; visibility:hidden; transform:translateY(-10px); transition:opacity .25s, transform .25s, visibility .25s}
  .nav.open{opacity:1; visibility:visible; transform:none}
  .nav > a:not(.btn), .dd-btn{padding:14px 12px; font-size:16px; width:100%; justify-content:space-between}
  .dd-menu{position:static; width:auto; opacity:1; visibility:visible; transform:none; display:none; box-shadow:none; margin:4px 0 8px}
  .dd.open .dd-menu{display:block}
  .nav-cta{margin:10px 0 0; justify-content:center}
  .hdr{background:rgba(11,13,18,.9); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px)}
}
@media (max-width:640px){
  .sec{padding:76px 0}
  .hero{padding-top:118px}
  .cards-4,.cards-3,.work,.facts-grid,.steps,.ftr-grid,.row2,.ticks{grid-template-columns:1fr}
  .work{grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px}
  .shot-meta{padding:10px 12px 12px}
  .stage{height:430px}
  .win{inset:44px 0 110px 0; transform:none; animation:none}
  .mock-cards{display:none}
  .chat{width:min(270px, 82%); right:0}
  .chat-log{height:170px}
  .vis{display:none}
  .auto{right:auto; left:0; font-size:11.5px; padding:8px 10px}
  .cap{grid-template-columns:1fr}
  .form-card{padding:22px}
  .ticker{margin-top:48px}
  .btn{padding:13px 20px}
  .cta-row .btn{flex:1 1 auto; justify-content:center}
}

/* ---------- Homepage sections carried over from the original site ---------- */
.about-grid{display:grid; grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr); gap:56px; align-items:start}
.about-grid h2{margin-bottom:14px}
.about-grid p{color:var(--muted); margin-top:16px}
.about-grid .about-tag{color:var(--brand-2); font-weight:600; margin-top:0}
.feats{list-style:none; margin:30px 0 0; padding:0; display:grid; grid-template-columns:1fr 1fr; gap:16px}
.feats li{display:flex; gap:14px; align-items:center; font-size:14px; color:var(--muted)}
.feats .card-ic{margin:0; flex:none}
.feats strong{display:block; color:var(--text); font:600 15.5px var(--display)}
.vm{display:grid; gap:18px; position:sticky; top:100px}
.vm .card p{margin-top:0}
.builds{grid-template-columns:repeat(2,minmax(0,1fr))}
.build{padding:32px}
.build-top{display:flex; align-items:center; gap:14px; margin-bottom:16px}
.build-top .card-ic{margin:0}
.build-k{font:600 12.5px var(--display); letter-spacing:.12em; text-transform:uppercase; color:var(--brand-2)}
.build h3{font-size:24px; margin-bottom:12px}
.build p + p{margin-top:12px}
.more{display:inline-flex; align-items:center; gap:8px; margin-top:20px; color:var(--brand-2); font-weight:600; font-size:14.5px; text-decoration:none}
.more .ic{width:16px; height:16px; transition:transform .25s var(--ease)}
.card:hover .more .ic, .more:hover .ic{transform:translateX(4px)}
.work{grid-template-columns:repeat(3,minmax(0,1fr))}
.statement{max-width:860px; margin:56px auto 0; text-align:center; padding:34px; border:1px solid var(--line); border-radius:22px; background:linear-gradient(180deg, rgba(242,101,34,.08), transparent)}
.statement h3{font-size:24px; margin-bottom:12px}
.statement p{color:var(--muted)}
.sec-head a{color:var(--text); text-decoration-color:var(--brand); text-underline-offset:3px}
.quote figcaption{display:flex; align-items:center; gap:12px}
.quote figcaption img{width:48px; height:48px; border-radius:50%; object-fit:cover; border:1px solid var(--line-2); flex:none}
.quote figcaption span{display:block; color:var(--muted); font-size:13.5px}
.quote figcaption strong{color:var(--text); font-size:15px}
.offices{grid-template-columns:repeat(2,minmax(0,1fr)); max-width:900px; margin-inline:auto}
.office{text-decoration:none; display:block}
.office p + p{margin-top:6px}
.ftr .addr{color:var(--muted); font-size:13.5px; padding:0 0 10px; line-height:1.5}
.ftr p strong{color:var(--text)}
@media (max-width:1080px){
  .about-grid{grid-template-columns:1fr; gap:36px}
  .vm{position:static; grid-template-columns:1fr 1fr}
  .work{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .builds,.offices,.vm,.feats{grid-template-columns:1fr}
  .build{padding:24px}
  .statement{padding:24px; margin-top:36px}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none !important; transition:none !important}
  .js .reveal{opacity:1; transform:none}
  .spark-line{stroke-dashoffset:0}.spark-fill{opacity:1}
  .hero-net{display:none}
}