:root{
  --bg:#0a0a0f;--bg2:#111118;--bg3:#16161f;--card:#1a1a25;
  --accent:#ff6b6b;--accent2:#ffd93d;--accent3:#6bceff;
  --text:#f0eff8;--muted:#8888aa;--border:rgba(255,255,255,0.07);
  --font-head:'Syne',sans-serif;--font-body:'DM Sans',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.7;overflow-x:hidden;}
::-webkit-scrollbar{width:4px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:var(--accent);border-radius:2px;}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:18px 48px;display:flex;align-items:center;justify-content:space-between;background:rgba(10,10,15,0.75);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);transition:padding .3s;}
.nav-logo img{height:36px;display:block;}
.nav-links{display:flex;gap:36px;list-style:none;}
.nav-links a{color:var(--muted);font-size:14px;text-decoration:none;letter-spacing:.04em;transition:color .2s;font-weight:500;}
.nav-links a:hover,.nav-links a.active{color:var(--text);}
.nav-cta{background:var(--accent);color:#fff;font-family:var(--font-body);font-weight:500;font-size:14px;padding:10px 22px;border-radius:100px;text-decoration:none;border:none;cursor:pointer;transition:opacity .2s,transform .15s;}
.nav-cta:hover{opacity:.85;transform:translateY(-1px);}

/* FOOTER */
footer{border-top:1px solid var(--border);padding:40px 0;background:var(--bg);}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px;}
.footer-logo img{height:30px;}
.footer-copy{font-size:13px;color:var(--muted);}
.footer-links{display:flex;gap:20px;}
.footer-links a{font-size:13px;color:var(--muted);text-decoration:none;transition:color .2s;}
.footer-links a:hover{color:var(--text);}

/* UTILS */
.container{max-width:1200px;margin:0 auto;padding:0 48px;}
.section-label{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:20px;}
.section-label::before{content:'';width:24px;height:1px;background:var(--accent);}
.section-title{font-family:var(--font-head);font-size:clamp(36px,5vw,56px);font-weight:800;letter-spacing:-1.5px;line-height:1.1;margin-bottom:16px;}
.section-sub{color:var(--muted);font-size:17px;max-width:560px;line-height:1.8;}
.reveal{opacity:0;transform:translateY(40px);transition:opacity .7s ease,transform .7s ease;}
.reveal.visible{opacity:1;transform:translateY(0);}
.btn-primary{background:var(--accent);color:#fff;padding:14px 32px;border-radius:100px;font-family:var(--font-body);font-weight:500;font-size:15px;text-decoration:none;display:inline-block;transition:transform .2s,box-shadow .2s;}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 40px rgba(255,107,107,.35);}
.btn-ghost{border:1px solid var(--border);color:var(--text);padding:14px 32px;border-radius:100px;font-family:var(--font-body);font-weight:500;font-size:15px;text-decoration:none;display:inline-block;transition:border-color .2s,background .2s;}
.btn-ghost:hover{border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.04);}
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

/* CASE STUDY SHARED */
.cs-hero{padding:160px 0 80px;position:relative;overflow:hidden;}
.cs-hero-bg{position:absolute;inset:0;opacity:.12;background-size:cover;background-position:center;filter:blur(40px);}
.cs-hero-content{position:relative;z-index:2;}
.cs-back{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:14px;text-decoration:none;margin-bottom:32px;transition:color .2s;}
.cs-back:hover{color:var(--text);}
.cs-tag{display:inline-flex;align-items:center;gap:6px;background:rgba(255,107,107,.12);border:1px solid rgba(255,107,107,.3);color:var(--accent);font-size:11px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;padding:5px 14px;border-radius:100px;margin-bottom:24px;}
.cs-title{font-family:var(--font-head);font-size:clamp(44px,6vw,80px);font-weight:800;letter-spacing:-2px;line-height:1.0;margin-bottom:20px;}
.cs-subtitle{color:var(--muted);font-size:19px;max-width:600px;line-height:1.8;margin-bottom:48px;}
.cs-meta{display:flex;gap:48px;flex-wrap:wrap;}
.cs-meta-item{}
.cs-meta-label{font-size:11px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase;margin-bottom:4px;}
.cs-meta-value{font-size:15px;font-weight:500;color:var(--text);}

.cs-section{padding:80px 0;}
.cs-section:nth-child(even){background:var(--bg2);}
.cs-section-title{font-family:var(--font-head);font-size:32px;font-weight:800;letter-spacing:-1px;margin-bottom:8px;}
.cs-section-sub{color:var(--muted);font-size:16px;margin-bottom:40px;}

/* Problem boxes */
.problem-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-top:32px;}
.problem-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px;transition:border-color .2s;}
.problem-card:hover{border-color:rgba(255,107,107,.3);}
.problem-icon{font-size:28px;margin-bottom:12px;}
.problem-title{font-family:var(--font-head);font-size:15px;font-weight:700;margin-bottom:6px;}
.problem-desc{font-size:13px;color:var(--muted);line-height:1.6;}

/* Process steps */
.process-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0;position:relative;margin-top:40px;}
.process-step{text-align:center;padding:32px 16px;position:relative;}
.process-step:not(:last-child)::after{content:'→';position:absolute;right:-12px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:20px;}
.process-num{width:44px;height:44px;border-radius:50%;background:var(--accent);color:#fff;font-family:var(--font-head);font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 12px;}
.process-label{font-size:14px;font-weight:500;margin-bottom:4px;}
.process-sub{font-size:12px;color:var(--muted);}

/* Solution highlights */
.solution-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:32px;}
.solution-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:28px;border-left:3px solid var(--accent);}
.solution-num{font-family:var(--font-head);font-size:40px;font-weight:800;color:rgba(255,107,107,.2);margin-bottom:8px;}
.solution-title{font-size:16px;font-weight:600;margin-bottom:6px;}
.solution-desc{font-size:14px;color:var(--muted);line-height:1.7;}

/* Screen gallery */
.screen-gallery{margin-top:40px;}
.screen-gallery-title{font-size:13px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;margin-bottom:20px;}
.screens{display:flex;gap:20px;overflow-x:auto;padding-bottom:16px;scrollbar-width:thin;}
.screens::-webkit-scrollbar{height:3px;}
.screens::-webkit-scrollbar-thumb{background:var(--accent);}
.screen-frame{flex-shrink:0;border-radius:16px;overflow:hidden;border:1px solid var(--border);background:var(--card);}
.screen-frame img{display:block;height:360px;width:auto;}
.screen-frame.wide img{height:280px;}
.screen-caption{font-size:12px;color:var(--muted);text-align:center;padding:10px 12px;}

/* Outcome */
.outcome-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-top:32px;}
.outcome-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:28px;text-align:center;}
.outcome-num{font-family:var(--font-head);font-size:48px;font-weight:800;color:var(--accent);letter-spacing:-2px;}
.outcome-label{font-size:14px;color:var(--muted);margin-top:4px;}

/* Learnings */
.learnings{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:32px;}
.learning{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px;}
.learning-icon{font-size:24px;margin-bottom:10px;}
.learning-title{font-size:15px;font-weight:600;margin-bottom:6px;}
.learning-desc{font-size:13px;color:var(--muted);line-height:1.6;}

/* Next projects strip */
.next-projects{background:var(--bg3);padding:80px 0;}
.next-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin-top:40px;}
.next-card{background:var(--card);border:1px solid var(--border);border-radius:20px;overflow:hidden;text-decoration:none;color:var(--text);display:block;transition:transform .3s,border-color .3s;}
.next-card:hover{transform:translateY(-6px);border-color:rgba(255,107,107,.3);}
.next-thumb{height:160px;display:flex;align-items:center;justify-content:center;font-size:60px;}
.next-body{padding:20px 24px;}
.next-title{font-family:var(--font-head);font-size:18px;font-weight:700;margin-bottom:4px;}
.next-desc{font-size:13px;color:var(--muted);}

@media(max-width:900px){
  nav{padding:14px 24px;}
  .nav-links{display:none;}
  .container{padding:0 24px;}
  .cs-hero{padding:120px 0 60px;}
  .cs-meta{gap:24px;}
  .process-step:not(:last-child)::after{display:none;}
}