:root{
  --bg:#0B0D12; --surface:#14171F; --line: rgba(255,255,255,.09);
  --text:#EDEAE3; --dim:#9AA0AC;
  --a:#FFD93D; --b:#FFA94D; --c:#FF6B6B;
  --grad: linear-gradient(100deg,var(--a),var(--b) 55%,var(--c));
  --ring: rgba(255,169,77,.45);
}
@media (prefers-color-scheme: light){
  :root{
    --bg:#F5F7FA; --surface:#FFFFFF; --line: rgba(10,20,40,.09);
    --text:#12151C; --dim:#5B6270;
    --a:#4D96FF; --b:#38E4AE; --c:#38E4AE;
    --grad: linear-gradient(100deg,#4D96FF,#38E4AE);
    --ring: rgba(77,150,255,.4);
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth; scroll-padding-top:calc(70px + env(safe-area-inset-top,0px))}
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:'Inter',ui-sans-serif,system-ui,sans-serif;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:'Sora',ui-sans-serif,system-ui,sans-serif}
a{color:inherit}
img,svg{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
:focus-visible{outline:2px solid var(--b); outline-offset:3px}

/* logo swap: dark-bg wordmark shows by default, light variant shows in light mode */
.wordmark{height:30px;width:auto;display:block}
.wordmark-light{display:none}
@media (prefers-color-scheme: light){
  .wordmark-dark{display:none}
  .wordmark-light{display:block}
}

header{
  position:sticky; top:0; z-index:40;
  padding-top:env(safe-area-inset-top,0px);
  background:color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
nav{display:flex; align-items:center; justify-content:space-between; padding:6px 0}
.brand-link{display:flex; align-items:center; text-decoration:none}
.nav-links{display:flex; align-items:center; gap:26px; font-size:.9rem; font-weight:500}
.nav-links a:not(.cta){text-decoration:none; color:var(--dim); position:relative}
.nav-links a:not(.cta)::after{content:'';position:absolute;left:0;right:0;bottom:-4px;height:1px;background:var(--text);transform:scaleX(0);transform-origin:right;transition:transform .25s ease}
.nav-links a:not(.cta):hover{color:var(--text)}
.nav-links a:not(.cta):hover::after{transform:scaleX(1); transform-origin:left}
.cta{
  background:var(--grad); color:#0B0D12; font-weight:600; padding:6px 16px;
  border-radius:100px; text-decoration:none; font-size:.86rem; white-space:nowrap;
}
#menu-toggle{display:none}
.burger{display:none; cursor:pointer; width:26px; height:20px; position:relative}
.burger span, .burger span::before, .burger span::after{
  content:''; position:absolute; left:0; width:100%; height:2px; background:var(--text); transition:.25s;
}
.burger span{top:9px}
.burger span::before{top:-8px}
.burger span::after{top:8px}

.hero{padding:56px 24px 72px; display:grid; grid-template-columns:1.15fr .85fr; gap:56px; align-items:center}
.kicker{color:var(--dim); font-size:.98rem; margin:0 0 18px}
h1{font-size:clamp(2.1rem, 4.6vw, 3.4rem); line-height:1.1; margin:0 0 22px; letter-spacing:-.01em}
.grad-text{background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent}
.lede{color:var(--dim); font-size:1.08rem; line-height:1.65; max-width:52ch; margin:0 0 30px}
.btn-row{display:flex; gap:14px; flex-wrap:wrap}
.btn{padding:12px 22px; border-radius:100px; text-decoration:none; font-weight:600; font-size:.95rem}
.btn.primary{background:var(--grad); color:#0B0D12}
.btn.ghost{border:1px solid var(--line); color:var(--text)}
.btn.ghost:hover{border-color:var(--b)}

.badge-stage{display:flex; justify-content:center; align-items:center; position:relative; height:280px}
.orbit{position:absolute; width:230px; height:230px; animation:spin 14s linear infinite}
.orbit .spark{position:absolute; top:-6px; left:50%; width:12px; height:12px; margin-left:-6px;
  border-radius:50%; background:radial-gradient(circle at 35% 30%, #fff3c0, var(--b) 55%, var(--c) 100%);
  box-shadow:0 0 14px 2px var(--ring);}
@keyframes spin{to{transform:rotate(360deg)}}
.badge-img{width:180px;height:180px; position:relative; z-index:1; filter:drop-shadow(0 12px 30px rgba(0,0,0,.35))}
@media (prefers-reduced-motion:reduce){.orbit{animation:none}}

section{padding:64px 0; border-top:1px solid var(--line)}
.head{display:flex; align-items:baseline; justify-content:space-between; gap:20px; margin-bottom:36px; flex-wrap:wrap}
h2{font-size:clamp(1.5rem,2.6vw,2rem); margin:0}
.head p{color:var(--dim); margin:0; font-size:.95rem}

.row{
  display:grid; grid-template-columns:92px 1.2fr 2fr auto; gap:20px; align-items:center;
  padding:22px 4px; border-top:1px solid var(--line); text-decoration:none; color:var(--text);
  transition:background .2s ease;
}
.row:first-of-type{border-top:none}
.row:hover{background:color-mix(in srgb, var(--surface) 60%, transparent)}
.thumb{width:92px; height:64px; object-fit:cover; border-radius:10px; border:1px solid var(--line); flex:none; background:var(--surface)}
.row h3{margin:0 0 4px; font-size:1.2rem}
.tag{color:var(--dim); font-size:.85rem}
.row p{margin:0; color:var(--dim); font-size:.95rem; line-height:1.5}
.arrow{
  width:38px; height:38px; border-radius:50%; border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center; flex:none; transition:transform .25s ease, background .25s ease;
}
.row:hover .arrow{transform:translate(3px,-3px); background:var(--grad)}
.row:hover .arrow svg{stroke:#0B0D12}
.arrow svg{width:16px;height:16px; stroke:var(--text); transition:stroke .2s}

.about-grid{display:grid; grid-template-columns:1.3fr 1fr; gap:56px}
.about-grid p{color:var(--dim); line-height:1.75; font-size:1.02rem; margin:0 0 16px; max-width:60ch}
dl.stack{margin:0; display:grid; gap:18px}
dl.stack div{border-top:1px solid var(--line); padding-top:14px}
dl.stack dt{font-weight:600; font-family:'Sora',sans-serif; font-size:1rem; margin-bottom:4px}
dl.stack dd{margin:0; color:var(--dim); font-size:.92rem; line-height:1.5}

.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start}
.contact-grid p{color:var(--dim); line-height:1.7; max-width:48ch; margin:0 0 26px}
.clist{display:grid; gap:16px; margin-bottom:30px}
.clist a{display:flex; align-items:center; gap:14px; text-decoration:none; color:var(--text); font-size:.98rem}
.clist svg{width:20px;height:20px; flex:none; stroke:var(--b)}
.clist a:hover{color:var(--b)}
.socials{display:flex; gap:12px}
.socials a{
  width:42px;height:42px;border-radius:50%; border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center; text-decoration:none;
}
.socials svg{width:18px;height:18px; fill:var(--text)}
.socials a:hover{border-color:var(--b)}

footer{border-top:1px solid var(--line); padding:34px 0}
.foot-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
footer small{color:var(--dim); font-size:.85rem}

@media (max-width:820px){
  header{backdrop-filter:none; -webkit-backdrop-filter:none; background:var(--bg)}
  .nav-links{position:fixed; inset:0 0 0 auto; width:min(78vw,300px); background:var(--surface);
    flex-direction:column; align-items:flex-start; padding:90px 28px; gap:22px;
    transform:translateX(100%); transition:transform .3s ease; border-left:1px solid var(--line);}
  #menu-toggle:checked ~ .nav-links{transform:translateX(0)}
  .burger{display:block}
  .hero, .about-grid, .contact-grid{grid-template-columns:1fr}
  .badge-stage{height:220px; order:-1}
  .row{grid-template-columns:64px 1fr auto}
  .row p{grid-column:1/3; order:3; margin-top:6px}
}