/* ============================================================================
   SourceX — marketing site (sx-site.css)
   Aesthetic adapted from a premium editorial consulting style:
   near-black canvas · Inter · large type · generous space · orange accent · soft glows
   ========================================================================== */
:root{
  --bg:#050505; --bg2:#020204; --panel:#0a0a0b;
  --txt:#ffffff; --mut:#88888b; --faint:rgba(255,255,255,.15);
  --orange:#FF6B00; --orange2:#FF8C38; --orange3:#FFAA55;
  --line:rgba(255,255,255,.06);
  --font:'Inter',system-ui,-apple-system,sans-serif;
  --maxw:1300px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--txt);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.fc-orange{color:var(--orange)} .fc-blue{color:var(--orange3)}
.orange-text{color:var(--orange)} .blue-text{color:var(--orange3)}

/* ---------- NAV ---------- */
.navbar{position:fixed;top:0;width:100%;display:flex;justify-content:space-between;align-items:center;padding:0 3rem;height:72px;z-index:100;transition:background .3s ease,border-color .3s ease;border-bottom:1px solid transparent}
.navbar.scrolled{background:rgba(5,5,5,.7);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.logo{display:flex;align-items:center;gap:10px}
.logo img{height:24px;width:auto}
.logo-fallback{font-size:1.3rem;font-weight:800;letter-spacing:-.5px}
.nav-links{display:flex;align-items:center;gap:2.2rem}
.nav-links a{font-size:.82rem;font-weight:500;color:rgba(255,255,255,.45);letter-spacing:-.01em;transition:color .3s ease;position:relative}
.nav-links a:hover,.nav-links a.active{color:rgba(255,255,255,.9)}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:1px;background:var(--orange);transition:width .3s ease}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-right{display:flex;align-items:center;gap:1.6rem}
.nav-signin{font-size:.82rem;font-weight:500;color:rgba(255,255,255,.45);transition:color .3s}
.nav-signin:hover{color:#fff}
.nav-cta{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border-radius:100px;font-size:.78rem;font-weight:600;color:#fff;background:rgba(255,107,0,.12);border:1px solid rgba(255,107,0,.2);letter-spacing:.02em;transition:all .3s cubic-bezier(.16,1,.3,1)}
.nav-cta:hover{background:var(--orange);border-color:var(--orange);box-shadow:0 0 30px rgba(255,107,0,.25);transform:scale(1.03)}
.nav-cta svg,.nav-cta i{transition:transform .3s}
.nav-cta:hover i{transform:translateX(3px)}
.menu-btn{display:none;background:none;border:1px solid rgba(255,255,255,.15);border-radius:8px;width:42px;height:42px;color:#fff;font-size:20px;cursor:pointer}
@media(max-width:860px){
  .navbar{padding:0 1.4rem}
  .nav-links,.nav-right{display:none}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .navbar.open .nav-links{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;background:var(--bg2);border-bottom:1px solid var(--line);padding:.5rem 1.4rem 1rem}
  .navbar.open .nav-links a{padding:14px 0;width:100%;border-bottom:1px solid var(--line);font-size:1rem;color:rgba(255,255,255,.8)}
  .navbar.open .nav-right{display:flex;position:absolute;top:calc(72px + var(--menuh,210px));left:0;right:0;background:var(--bg2);padding:0 1.4rem 1.4rem;gap:1rem;flex-direction:column;align-items:stretch}
  .navbar.open .nav-cta{justify-content:center;padding:13px}
}

/* ---------- glows ---------- */
.bg-glows{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.glow{position:absolute;border-radius:50%;filter:blur(140px);opacity:.32;animation:float 12s infinite alternate ease-in-out}
.glow.blue{width:50vw;height:50vw;background:var(--orange2);top:-20%;right:-10%}
.glow.orange{width:40vw;height:40vw;background:var(--orange);bottom:-10%;left:-10%;animation-delay:-6s}
@keyframes float{0%{transform:translate(0,0) scale(1)}100%{transform:translate(3vw,3vw) scale(1.05)}}

/* ---------- HERO ---------- */
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:0 10vw;position:relative;overflow:hidden;background:var(--bg)}
.hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:200px;background:linear-gradient(to bottom,transparent,var(--bg));z-index:2;pointer-events:none}
.hero-content{z-index:3;position:relative;max-width:60vw}
.hero-eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:.74rem;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--orange);margin-bottom:1.8rem}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--orange);box-shadow:0 0 10px var(--orange)}
.hero-title{font-size:clamp(3rem,7.5vw,7.5rem);font-weight:600;line-height:1.04;letter-spacing:-.04em;margin-bottom:1.5rem}
.hero-title .line{display:block;overflow:hidden}
.hero-title .word{display:block;color:rgba(255,255,255,.9);position:relative;will-change:transform;animation:wordUp .95s cubic-bezier(.16,1,.3,1) both;animation-delay:var(--wd,0s)}
@keyframes wordUp{from{transform:translateY(115%)}to{transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes fadeUpK{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.hero-title .word.grad{background:linear-gradient(100deg,var(--orange),var(--orange3));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-title .word::after{content:attr(data-text);position:absolute;inset:0;background:linear-gradient(105deg,transparent 0%,transparent 35%,rgba(255,255,255,.45) 45%,rgba(255,255,255,.15) 50%,transparent 55%,transparent 100%);background-size:300% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:sweep 8s ease-in-out infinite;animation-delay:var(--sd,0s);pointer-events:none}
.hero-title .word.grad::after{display:none}
@keyframes sweep{0%,100%{background-position:300% 0}40%,60%{background-position:-100% 0}}
.hero-desc{display:flex;align-items:stretch;gap:16px;margin-top:2.2rem;max-width:480px;opacity:0;animation:fadeIn .9s ease both;animation-delay:.65s}
.hero-desc-line{width:1px;background:linear-gradient(180deg,var(--orange),transparent);flex-shrink:0;position:relative}
.hero-desc-line::before{content:'';position:absolute;top:0;left:-2px;width:5px;height:5px;border-radius:50%;background:var(--orange);box-shadow:0 0 10px var(--orange)}
.hero-subtitle{font-size:clamp(.85rem,1.05vw,1rem);color:rgba(255,255,255,.5);font-weight:400;line-height:1.75}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:2.6rem;opacity:0;animation:fadeUpK .9s cubic-bezier(.16,1,.3,1) both;animation-delay:.8s}
.scroll-indicator{position:absolute;bottom:46px;left:10vw;display:flex;align-items:center;gap:18px;font-size:.72rem;text-transform:uppercase;letter-spacing:2px;color:var(--mut);z-index:3;opacity:0;animation:fadeIn 1s ease both;animation-delay:1.05s}
.scroll-indicator .l{width:80px;height:1px;background:rgba(255,255,255,.15);position:relative;overflow:hidden}
.scroll-indicator .l::after{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:#fff;animation:scrollLine 2.5s infinite ease-in-out}
@keyframes scrollLine{0%{left:-100%}50%{left:0}100%{left:100%}}
@media(max-width:860px){.hero{padding:0 6vw}.hero-content{max-width:100%}.scroll-indicator{left:6vw}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:1rem 2.2rem;border-radius:100px;font-size:.95rem;font-weight:600;cursor:pointer;transition:transform .3s cubic-bezier(.16,1,.3,1),box-shadow .3s ease,background .3s,border-color .3s;border:1px solid transparent;white-space:nowrap}
.btn i{transition:transform .3s}
.btn:hover i{transform:translateX(3px)}
.btn-orange{background:var(--orange);color:#fff}
.btn-orange:hover{transform:scale(1.04);box-shadow:0 10px 40px rgba(255,107,0,.3)}
.btn-light{background:var(--txt);color:var(--bg)}
.btn-light:hover{transform:scale(1.04);box-shadow:0 10px 40px rgba(255,255,255,.15)}
.btn-outline{background:rgba(255,255,255,.02);border-color:rgba(255,255,255,.15);color:#fff}
.btn-outline:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-1px)}

/* ---------- generic section ---------- */
.section{padding:18vh 10vw;position:relative;z-index:2;background:var(--bg)}
@media(max-width:860px){.section{padding:12vh 6vw}}
.eyebrow{font-size:.72rem;font-weight:600;color:var(--orange);text-transform:uppercase;letter-spacing:2px;margin-bottom:1.4rem;display:block}
.section-title{font-size:clamp(1.8rem,3.4vw,3.8rem);font-weight:500;line-height:1.28;letter-spacing:-.02em;max-width:1100px}
.reveal-text span{color:rgba(255,255,255,.16);transition:color .5s ease}
.reveal-text.in span{color:#fff}
.reveal-text.in span:nth-child(1){transition-delay:.02s}.reveal-text.in span:nth-child(2){transition-delay:.05s}.reveal-text.in span:nth-child(3){transition-delay:.08s}.reveal-text.in span:nth-child(4){transition-delay:.11s}.reveal-text.in span:nth-child(5){transition-delay:.14s}.reveal-text.in span:nth-child(6){transition-delay:.17s}.reveal-text.in span:nth-child(7){transition-delay:.2s}.reveal-text.in span:nth-child(8){transition-delay:.23s}.reveal-text.in span:nth-child(9){transition-delay:.26s}.reveal-text.in span:nth-child(10){transition-delay:.29s}.reveal-text.in span:nth-child(11){transition-delay:.32s}.reveal-text.in span:nth-child(12){transition-delay:.35s}.reveal-text.in span:nth-child(13){transition-delay:.38s}.reveal-text.in span:nth-child(14){transition-delay:.41s}.reveal-text.in span:nth-child(15){transition-delay:.44s}.reveal-text.in span:nth-child(n+16){transition-delay:.47s}
.lead{color:var(--mut);font-size:clamp(1rem,1.3vw,1.2rem);font-weight:300;line-height:1.7;max-width:62ch}

/* ---------- about / numbered cards ---------- */
.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2.4rem;margin-top:6rem}
.about-card{padding:3rem;background:rgba(255,255,255,.015);border:1px solid rgba(255,255,255,.04);border-radius:20px;transition:transform .4s cubic-bezier(.16,1,.3,1),background .4s ease;backdrop-filter:blur(10px)}
.about-card:hover{transform:translateY(-8px);background:rgba(255,255,255,.03)}
.card-icon{font-size:2.4rem;font-weight:600;margin-bottom:1.8rem;line-height:1}
.blue-icon{color:var(--orange3)} .orange-icon{color:var(--orange)}
.about-card h3{font-size:1.6rem;font-weight:500;margin-bottom:1.1rem;letter-spacing:-.02em}
.about-card p{color:var(--mut);font-size:1.05rem;line-height:1.7;font-weight:300}
.about-card .more{display:inline-flex;align-items:center;gap:6px;margin-top:1.4rem;font-size:.9rem;font-weight:600;color:var(--orange)}

/* ---------- services (stacked premium panels) ---------- */
.services-wrapper{position:relative;background:#020202;border-top:1px solid var(--line)}
.services-container{display:block}
.service-panel{display:flex;align-items:center;min-height:72vh;padding:10vh 10vw;position:relative;border-bottom:1px solid rgba(255,255,255,.05)}
.service-panel:last-child{border-bottom:0}
.panel-index{position:absolute;top:8vh;left:10vw;font-size:.78rem;letter-spacing:3px;color:var(--mut);text-transform:uppercase}
.panel-content{max-width:920px}
.panel-content h2{font-size:clamp(2.8rem,6.5vw,6.5rem);font-weight:600;line-height:1.02;margin-bottom:1.4rem;letter-spacing:-.04em}
.panel-content p{font-size:clamp(1.05rem,1.6vw,1.5rem);color:var(--mut);font-weight:300;max-width:620px}
.panel-content .more{display:inline-flex;align-items:center;gap:8px;margin-top:1.8rem;font-size:1rem;font-weight:600;color:var(--orange)}
.panel-content .more i{transition:transform .3s}.panel-content .more:hover i{transform:translateX(4px)}
@media(max-width:860px){.service-panel{min-height:auto;padding:10vh 6vw}.panel-index{position:static;margin-bottom:1rem;display:block}}

/* ---------- tech strip ---------- */
.tech-strip{background:#020204;border-top:1px solid rgba(255,107,0,.06);border-bottom:1px solid rgba(255,255,255,.03);padding:5rem 5rem;position:relative;overflow:hidden}
.tech-strip::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:500px;height:300px;background:radial-gradient(ellipse,rgba(255,107,0,.05),transparent 70%);pointer-events:none}
.tech-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(6,1fr);gap:1.5rem;position:relative}
.tech-spec{text-align:center;padding:1.5rem 0}
.spec-num{font-size:clamp(1.5rem,2.5vw,2.2rem);font-weight:700;color:var(--orange);letter-spacing:-.03em;margin-bottom:.4rem}
.spec-label{font-size:.7rem;color:var(--mut);text-transform:uppercase;letter-spacing:1px;font-weight:500}
@media(max-width:860px){.tech-strip{padding:3.5rem 1.4rem}.tech-inner{grid-template-columns:repeat(2,1fr);gap:2rem}}

/* ---------- users → SOURCEX particle finale ---------- */
.users-cta{position:relative;height:360vh;background:var(--bg);border-top:1px solid var(--line)}
.users-stage{position:sticky;top:0;height:100vh;overflow:hidden;display:flex;align-items:center;justify-content:center}
.users-stage .bg-glows .glow{opacity:.16}
#sxParticles{position:absolute;inset:0;width:100%;height:100%;z-index:1;display:block}
.users-eyebrow{position:absolute;top:11vh;left:0;right:0;text-align:center;z-index:2;font-size:.74rem;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--orange)}
.cta-panel{position:absolute;left:50%;top:66%;transform:translate(-50%,-40%);text-align:center;width:92%;max-width:720px;opacity:0;transition:opacity .55s ease,transform .55s cubic-bezier(.16,1,.3,1);z-index:2;pointer-events:none}
.cta-panel.active{opacity:1;transform:translate(-50%,-50%);pointer-events:auto}
.cta-panel h3{font-size:clamp(1.6rem,3.2vw,2.8rem);font-weight:600;letter-spacing:-.02em;line-height:1.1;margin-bottom:.8rem}
.cta-panel p{color:var(--mut);font-weight:300;font-size:clamp(1rem,1.4vw,1.25rem);max-width:520px;margin:0 auto}
.cta-panel .btn{margin-top:1.8rem}
.users-hint{position:absolute;bottom:6vh;left:0;right:0;text-align:center;z-index:2;font-size:.72rem;letter-spacing:2px;text-transform:uppercase;color:var(--mut);opacity:.7;transition:opacity .4s}
.users-cta.scrolled-in .users-hint{opacity:0}
@media(max-width:860px){.users-cta{height:320vh}.cta-panel{top:64%}}

/* ---------- final cta ---------- */
.final-cta{text-align:center;padding:14vh 2rem;background:var(--bg);position:relative;overflow:hidden}
.final-cta-tag{font-size:.74rem;font-weight:600;color:var(--orange);text-transform:uppercase;letter-spacing:2px;margin-bottom:1.2rem}
.final-cta h2{font-size:clamp(2rem,5vw,4rem);font-weight:600;line-height:1.1;letter-spacing:-.03em;margin-bottom:1.4rem;max-width:900px;margin-left:auto;margin-right:auto}
.final-cta p{color:var(--mut);font-size:1.1rem;font-weight:300;max-width:560px;margin:0 auto 2.6rem}
.final-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- subpage hero ---------- */
.page-hero{padding:24vh 10vw 12vh;position:relative;overflow:hidden;background:var(--bg)}
.page-hero .crumbs{font-size:.78rem;color:var(--mut);letter-spacing:.5px;margin-bottom:1.4rem}
.page-hero .crumbs a:hover{color:var(--orange)}
.page-hero h1{font-size:clamp(2.6rem,6vw,5.5rem);font-weight:600;line-height:1.05;letter-spacing:-.04em;margin-bottom:1.6rem;max-width:16ch}
.page-hero .lead{font-size:clamp(1.05rem,1.5vw,1.35rem)}
@media(max-width:860px){.page-hero{padding:18vh 6vw 8vh}}

/* ---------- split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:6rem;align-items:center}
@media(max-width:860px){.split{grid-template-columns:1fr;gap:3rem}}
.feat-list{list-style:none;margin-top:2.4rem;display:grid;gap:1.6rem}
.feat-list li{display:flex;gap:16px;align-items:flex-start}
.feat-list .n{flex:0 0 auto;font-size:1.1rem;font-weight:700;color:var(--orange);width:34px}
.feat-list b{font-size:1.1rem;font-weight:500;display:block;margin-bottom:3px}
.feat-list span{color:var(--mut);font-size:1rem;font-weight:300}
.visual-card{background:rgba(255,255,255,.015);border:1px solid rgba(255,255,255,.05);border-radius:24px;padding:3rem}

/* ---------- note ---------- */
.note{border:1px solid rgba(255,107,0,.18);background:rgba(255,107,0,.04);border-radius:14px;padding:1.1rem 1.3rem;color:rgba(255,200,150,.85);font-size:.92rem;line-height:1.6;font-weight:300}

/* ---------- accordion (faq) ---------- */
.acc{max-width:860px;margin:4rem auto 0;display:grid;gap:14px}
.qa{background:rgba(255,255,255,.015);border:1px solid rgba(255,255,255,.05);border-radius:16px;overflow:hidden;transition:background .3s}
.qa[open]{background:rgba(255,255,255,.03)}
.qa summary{list-style:none;cursor:pointer;padding:1.5rem 1.8rem;display:flex;align-items:center;justify-content:space-between;gap:16px;font-weight:500;font-size:1.15rem;letter-spacing:-.01em}
.qa summary::-webkit-details-marker{display:none}
.qa summary .pm{flex:0 0 auto;color:var(--orange);font-size:1.6rem;line-height:1;transition:transform .3s}
.qa[open] summary .pm{transform:rotate(45deg)}
.qa .ans{padding:0 1.8rem 1.6rem;color:var(--mut);font-size:1.02rem;font-weight:300;line-height:1.7}

/* ---------- contact form ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin-top:2.5rem}
@media(max-width:680px){.form-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:.5rem}
.field.full{grid-column:1/-1}
.field label{font-size:.8rem;color:var(--mut);letter-spacing:.5px;text-transform:uppercase;font-weight:500}
.field input,.field textarea{background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:.95rem 1.1rem;color:#fff;font-family:var(--font);font-size:1rem;transition:border-color .25s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--orange)}
.field textarea{min-height:140px;resize:vertical}

/* ---------- footer ---------- */
.footer{background:var(--bg2);border-top:1px solid var(--line);position:relative;z-index:2}
.footer-in{max-width:var(--maxw);margin:0 auto;padding:6rem 3rem 2.5rem;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:3rem}
@media(max-width:860px){.footer-in{grid-template-columns:1fr 1fr;gap:2.4rem;padding:4rem 1.4rem 2rem}}
@media(max-width:520px){.footer-in{grid-template-columns:1fr}}
.footer .logo{margin-bottom:1.2rem}
.footer p{color:var(--mut);font-size:.95rem;font-weight:300;max-width:38ch}
.footer h5{font-size:.74rem;letter-spacing:1.5px;text-transform:uppercase;color:rgba(255,255,255,.35);margin-bottom:1.3rem;font-weight:600}
.footer ul{list-style:none;display:grid;gap:.85rem}
.footer ul a{color:var(--mut);font-size:.95rem;font-weight:300;transition:color .2s}
.footer ul a:hover{color:var(--orange)}
.soc{display:flex;gap:12px;margin-top:1.6rem}
.soc a{width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;color:var(--mut);transition:.25s}
.soc a:hover{color:var(--orange);border-color:var(--orange)}
.footer-disc{max-width:var(--maxw);margin:0 auto;padding:1.5rem 3rem 0;color:rgba(255,255,255,.25);font-size:.78rem;font-weight:300;line-height:1.6}
.footer-bottom{border-top:1px solid var(--line);margin-top:2rem;padding:1.6rem;text-align:center;color:rgba(255,255,255,.3);font-size:.8rem}

/* ---------- reveal (fallback, JS adds .in) ---------- */
.fade-up{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1)}
.fade-up.in{opacity:1;transform:none}
.fade-up.d1{transition-delay:.1s}.fade-up.d2{transition-delay:.2s}.fade-up.d3{transition-delay:.3s}
@media(prefers-reduced-motion:reduce){*{animation:none!important}.fade-up{opacity:1;transform:none}.hero-title .word{transform:none!important}}